CN118582832B - Waste heat recovery refrigeration equipment of high-temperature cascade steam generator - Google Patents
Waste heat recovery refrigeration equipment of high-temperature cascade steam generator Download PDFInfo
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- CN118582832B CN118582832B CN202410779897.6A CN202410779897A CN118582832B CN 118582832 B CN118582832 B CN 118582832B CN 202410779897 A CN202410779897 A CN 202410779897A CN 118582832 B CN118582832 B CN 118582832B
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- 239000002918 waste heat Substances 0.000 title claims abstract description 60
- 238000011084 recovery Methods 0.000 title claims abstract description 37
- 238000005057 refrigeration Methods 0.000 title claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 284
- 239000011737 fluorine Substances 0.000 claims abstract description 117
- 229910052731 fluorine Inorganic materials 0.000 claims abstract description 117
- 238000010438 heat treatment Methods 0.000 claims abstract description 64
- 238000001704 evaporation Methods 0.000 claims abstract description 34
- 238000012546 transfer Methods 0.000 claims abstract description 19
- 239000003795 chemical substances by application Substances 0.000 claims description 49
- 230000008020 evaporation Effects 0.000 claims description 23
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 18
- 229910052802 copper Inorganic materials 0.000 claims description 18
- 239000010949 copper Substances 0.000 claims description 18
- 239000007788 liquid Substances 0.000 claims description 14
- 238000004378 air conditioning Methods 0.000 claims description 8
- 238000010992 reflux Methods 0.000 claims description 7
- 239000004677 Nylon Substances 0.000 claims description 5
- 229920001778 nylon Polymers 0.000 claims description 5
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 claims 2
- 239000003507 refrigerant Substances 0.000 claims 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 76
- 239000007789 gas Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000007599 discharging Methods 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 101150114468 TUB1 gene Proteins 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000008236 heating water Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002028 Biomass Substances 0.000 description 1
- 235000010627 Phaseolus vulgaris Nutrition 0.000 description 1
- 244000046052 Phaseolus vulgaris Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000008429 bread Nutrition 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005108 dry cleaning Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/30—Arrangement or mounting of heat-exchangers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B1/00—Methods of steam generation characterised by form of heating method
- F22B1/02—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B1/00—Methods of steam generation characterised by form of heating method
- F22B1/28—Methods of steam generation characterised by form of heating method in boilers heated electrically
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B37/00—Component parts or details of steam boilers
- F22B37/02—Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
- F22B37/22—Drums; Headers; Accessories therefor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B37/00—Component parts or details of steam boilers
- F22B37/02—Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
- F22B37/42—Applications, arrangements or dispositions of alarm or automatic safety devices
- F22B37/46—Applications, arrangements or dispositions of alarm or automatic safety devices responsive to low or high water level, e.g. for checking, suppressing or extinguishing combustion in boilers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B37/00—Component parts or details of steam boilers
- F22B37/02—Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
- F22B37/42—Applications, arrangements or dispositions of alarm or automatic safety devices
- F22B37/47—Applications, arrangements or dispositions of alarm or automatic safety devices responsive to abnormal temperature, e.g. actuated by fusible plugs
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B37/00—Component parts or details of steam boilers
- F22B37/78—Adaptations or mounting of level indicators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F12/00—Use of energy recovery systems in air conditioning, ventilation or screening
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
- F25B41/31—Expansion valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/40—Fluid line arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B7/00—Compression machines, plants or systems, with cascade operation, i.e. with two or more circuits, the heat from the condenser of one circuit being absorbed by the evaporator of the next circuit
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention discloses waste heat recovery refrigeration equipment of a high-temperature cascade steam generator, which relates to the technical field of heat supply and comprises a barrel body connected with a steam collecting pipe and a water inlet pipe; the electromagnetic coil and the evaporating coil of the electromagnetic heat pump heating unit are arranged at the periphery of the barrel body, the evaporating coil at the periphery of the barrel body is heated through the electromagnetic coil, the electromagnetic heat pump heating unit transfers heat to the heat carrying unit, and the heat carrying unit transfers heat to the water inlet pipe to realize primary heating of inlet water; the water in the barrel body is precisely heated by the electromagnetic coil in a temperature control way, so that steam with precisely controllable temperature is formed; and finally, the steam collecting pipe is connected with the water inlet end of the first water-fluorine heat exchanger, the water outlet end of the first water-fluorine heat exchanger is connected with the backflow branch pipe of the water inlet pipe, the first water-fluorine heat exchanger transfers heat of air conditioner backwater of the water-cooled air conditioner to the backflow branch pipe, the utilization of steam waste heat and air conditioner waste heat is realized, the primary heating of water inlet is realized, the energy efficiency is improved, and the problems of steam temperature, waste heat recovery and energy efficiency of the existing steam generator are solved.
Description
Technical Field
The invention relates to the technical field of heat supply, in particular to waste heat recovery refrigeration equipment of a high-temperature cascade steam generator.
Background
Steam generators are widely used in various fields such as clothing factories, dry cleaning shops, factories and mines, restaurants, steamed bread shops, bean product factories and the like. However, despite the wide range of use of steam generators, many existing mainstream steam generators still have a number of technical difficulties that mainly affect the steam generation performance and energy efficiency of the apparatus, and the use cost is high.
The steam generator commonly used at present mainly comprises an electromagnetic steam generator, an electric steam generator, a fuel gas steam generator, a coal-fired steam generator, a biomass steam generator and the like. The steam generators have the defects of high energy consumption, slow temperature rise and high use cost in practical use. In the operation process of the steam generators, the steam temperature tends to have larger fluctuation amplitude, and is difficult to keep stable; this phenomenon of unstable steam temperature not only affects the quality and efficiency of the process of production using steam, but also may cause excessive wear of equipment and increase in maintenance costs.
In addition, the existing steam generator has the common problem that waste heat is difficult to recycle; because of the technical limitation, most steam generators generate a large amount of waste heat in the process of generating steam, and if the waste heat cannot be effectively recovered, the waste heat is directly discharged into the environment, so that not only is energy wasted, but also the environment is polluted by heat; the lack of waste heat recovery technology further results in the overall lower energy efficiency performance of the steam generator.
Therefore, the existing steam generator has the following common problems:
1. Steam temperature instability: in the operation process of the steam generator, the steam generator is subjected to heat supply fluctuation of a heat supply source, so that the steam temperature fluctuation range is large, stability is difficult to maintain, and the efficiency of a production process and the quality of products can be influenced.
2. Waste heat is difficult to recover: the waste heat generated by the steam generator cannot be effectively recycled, so that energy waste and environmental heat pollution are caused.
3. The energy efficiency is low: because the waste heat is not fully utilized, and the steam temperature is unstable due to heat supply fluctuation of a heat supply source, the whole energy efficiency of the existing steam generator is low, and the operation cost is high.
In summary, the present inventors have found that at least the following technical problems exist in the prior art:
the existing steam generator has the problems of unstable steam temperature, difficult recovery of waste heat and low energy efficiency.
Disclosure of Invention
The invention aims to provide a high-temperature cascade steam generator waste heat recovery refrigeration device, which solves the problems of unstable steam temperature, difficult waste heat recovery and low energy efficiency of the existing steam generator.
The preferred technical solutions of the technical solutions provided by the present invention can produce a plurality of technical effects described below.
In order to solve the technical problems, the invention provides the following technical scheme:
The invention provides a high-temperature cascade steam generator waste heat recovery refrigeration device which comprises a barrel body, an electromagnetic heat pump heating unit, a heat handling unit, a heat release fluorine heat exchanger, a heat release water fluorine heat exchanger, a waste heat exchanger and a steam collecting pipe, wherein the heat pump heating unit is arranged in the barrel body; the barrel body is connected with the steam collecting pipe and the water inlet pipe; an insulating layer is wrapped outside the barrel body, an electromagnetic coil of the electromagnetic heat pump heating unit is wound outside the insulating layer, and a plurality of shielding magnetic strips are arranged at intervals on the periphery of the electromagnetic coil; the periphery of the evaporation coil of the electromagnetic heat pump heating unit is sleeved with a nylon sleeve and is wound on the periphery of the shielding magnetic stripe; the electromagnetic coil is used for heating water in the barrel body and condensing agent in the evaporation coil of the electromagnetic heat pump heating unit; the heat exchange side of the electromagnetic heat pump heating unit and the evaporation side of the heat handling unit are connected into the heat release fluorine heat exchanger for heat exchange to transfer the heat of the electromagnetic heat pump heating unit into the heat handling unit; the heat exchange side of the heat handling unit and the water inlet pipe are connected into the exothermic water fluorine heat exchanger and are used for transferring heat of the heat handling unit into the water inlet pipe through heat exchange; the water inlet pipe is provided with a water inlet one-way valve which is used for limiting water flow to only flow to the barrel body; the waste heat exchanger unit comprises a first water fluorine heat exchanger and a water-cooling air conditioner; the water inlet end of the first water-fluorine heat exchanger is connected with the steam collecting pipe, and the water outlet end of the first water-fluorine heat exchanger is connected with the reflux branch pipe of the water inlet pipe; the backflow branch pipe is connected between the barrel body and the water inlet one-way valve; the backflow branch pipe is provided with a backflow one-way valve which is used for limiting water flow to only flow to the water inlet pipe; the first water fluorine heat exchanger is used for transferring heat of air conditioning backwater of the water-cooled air conditioner to the backflow branch pipe.
In one embodiment, the water-cooled air conditioner comprises a second water fluorine heat exchanger, a liquid flow pump, a circulating pump, a water tank and an air conditioner circulating water supply pump; the condensing agent inlet of the first water fluorine heat exchanger is communicated with the condensing agent outlet of the second water fluorine heat exchanger through a copper pipe, and the liquid flow pump is arranged on the copper pipe; the condensing agent outlet of the first water-fluorine heat exchanger is communicated with the condensing agent inlet of the second water-fluorine heat exchanger through a copper pipe, and a throttle valve is arranged on the copper pipe; the liquid flow pump controls the flow of condensing agent in the copper pipe and is used for transferring the heat of the second water fluorine heat exchanger into the first water fluorine heat exchanger; the water inlet end of the second water fluorine heat exchanger is connected with the heat exchange water outlet end of the water tank through a water pipe, and the circulating pump is arranged on the water pipe; the water outlet end of the second water fluorine heat exchanger is connected with the heat exchange water inlet end of the water tank through a water pipe; the second water fluorine heat exchanger is used for transferring heat of water of the water tank into the first water fluorine heat exchanger; the return water of the water tank is connected to the return water of the air conditioner and is used for collecting water after heat absorption of the air conditioner; the water supply end of the water tank is connected with the air conditioner circulating water supply pump to supply cold water for air conditioner refrigeration.
In one embodiment, a water passage and a condensing agent passage are arranged in the first water fluorine heat exchanger and the second water fluorine heat exchanger; the water inlet end and the water outlet end of the first water-fluorine heat exchanger are respectively arranged at two ends of the water passage, and the condensing agent inlet and the condensing agent outlet of the first water-fluorine heat exchanger are respectively arranged at two ends of the condensing agent passage; the condensing agent inlet and the condensing agent outlet of the second water-fluorine heat exchanger are respectively arranged at two ends of the condensing agent passage, and the water inlet end and the water outlet end of the second water-fluorine heat exchanger are respectively arranged at two ends of the water passage.
In one embodiment, a first heat exchange passage is arranged in the heat release fluorine heat exchanger; the electromagnetic heat pump heating unit comprises a first compressor; the outlet of the first heat exchange passage is connected with the evaporation coil outside the shielding magnetic stripe through a copper pipe, and a throttle valve is arranged; the condensing agent outlet of the first compressor is connected with the inlet of the first heat exchange passage, and the condensing agent inlet of the first compressor is connected with the evaporation coil outside the shielding magnetic stripe.
In one embodiment, a second heat exchange passage is arranged in the heat release fluorine heat exchanger; a third heat exchange passage and a water exchange passage are arranged in the heat release water fluorine heat exchanger; the heat handling unit includes a second compressor; the condensing agent inlet of the second compressor is connected with the outlet of the second heat exchange passage, the inlet of the second heat exchange passage is connected with the outlet of the third heat exchange passage, and the inlet of the third heat exchange passage is connected with the condensing agent outlet of the second compressor; the water exchange passage is connected with the water inlet pipe.
In one embodiment, at least one of the electromagnetic heat pump heating unit, the heat handling unit, the exothermic fluorine heat exchanger and the exothermic water fluorine heat exchanger is provided.
In one embodiment, at least one group of terminal evaporation groups is formed by the barrel body, the electromagnetic coil, the shielding magnetic stripe and the evaporation coil sleeved outside the shielding magnetic stripe.
In one embodiment, a steam exhaust hood is arranged in the upper end of the barrel body; a steam collecting drum is arranged outside the upper end of the barrel body; the upper end of the barrel body is connected with the lower end of the steam collecting drum, and the steam outlet end of the barrel body is arranged at the upper end of the steam collecting drum and is connected with the steam collecting pipe; the upper end of the steam collecting drum is also provided with a pressure gauge and a safety valve, and the safety valve starts pressure relief after the steam pressure in the steam collecting drum exceeds the pressure standard.
In one embodiment, the structure of the exhaust hood is a spherical cap structure which is concave downwards; the upper end of the steam exhaust cover is provided with a plurality of steam outlet holes.
In one embodiment, the barrel body is connected with a water level and water temperature gauge; a water inlet valve is arranged on the water inlet pipe adjacent to the water inlet end of the barrel body; the inlet valve adjusts the opening of a valve according to the water level information of the water level and water temperature gauge, and controls the water quantity entering the barrel body; and the electromagnetic heat pump heating unit and the heat handling unit control heating and heat exchange power according to the water temperature in the barrel fed back by the water level and water temperature meter.
The beneficial effects of the invention are as follows:
The waste heat recovery refrigeration equipment of the high-temperature cascade steam generator is provided with a barrel body, an electromagnetic heat pump heating unit, a heat carrying unit, a heat release fluorine heat exchanger, a waste heat exchanger and a steam collecting pipe;
(1) The electromagnetic heat pump heating unit is used for compressing condensing agents into high-temperature and high-pressure gas through the compressor, and the gas is subjected to heat exchange through the heat-release fluorine heat exchanger, so that heat is transferred to the heat handling unit, and the heat handling unit is subjected to heat exchange through the heat-release fluorine heat exchanger, transfers the heat to the water inlet pipe, and realizes primary heating of the water in the water inlet pipe.
After once heating, the water in the water inlet pipe enters the barrel body; the magnetic field after the electromagnetic coil is electrified can heat the barrel wall of the barrel body, and the water entering the barrel absorbs the heat of the barrel wall, so that the water in the barrel is secondarily heated; meanwhile, accurate temperature control heating can be achieved through electromagnetic heating, so that steam with accurately controllable temperature is formed;
(2) The water inlet end of the first water-fluorine heat exchanger is connected with a steam collecting pipe, the water outlet end of the first water-fluorine heat exchanger is connected with a backflow branch pipe of a water inlet pipe, the first water-fluorine heat exchanger transfers heat of air conditioning backwater of the water-cooled air conditioner into the backflow branch pipe, water vapor flowing back in the backflow branch pipe is continuously heated, and absorbed heat passes through water or water vapor as a carrier and is converged into the water inlet pipe through constraint of a water inlet one-way valve and a backflow one-way valve on the flowing direction; the recovery and utilization of the steam waste heat and the air conditioner waste heat are realized, and the inlet water in the water inlet pipe is heated for the first time, so that the overall energy efficiency of the waste heat recovery refrigeration equipment of the high-temperature cascade steam generator is improved.
(3) The water in the barrel body and the condensing agent in the evaporating coil are heated by the electromagnetic coil of the electromagnetic heat pump heating unit, so that the efficient conversion and utilization of the electric energy into heat are realized; the plurality of shielding magnetic strips and the nylon sleeves are arranged at intervals on the periphery of the electromagnetic coil, so that the safety and the thermal efficiency of the electromagnetic heat pump heating unit are further improved, and the energy loss is reduced; and the outside of the barrel body is wrapped with an insulating layer, so that heated water and vapor in the barrel body and the barrel wall can be insulated, and meanwhile, the safety and the thermal efficiency of electromagnetic heating are further improved.
The high-temperature cascade steam generator waste heat recovery refrigeration equipment integrates various heat exchange mechanisms such as an electromagnetic heat pump heating unit, a heat handling unit, a heat release fluorine heat exchanger, a heat release water fluorine heat exchanger and the like, can effectively transfer generated heat step by step, realizes multi-stage heat energy exchange, improves the utilization efficiency of heat energy, ensures that the whole high-temperature cascade steam generator waste heat recovery refrigeration equipment can stably generate high-temperature steam, accurately controls the temperature of required steam, improves the working efficiency of the steam generator through waste heat recovery, reduces the energy consumption and the use cost, solves the problems of unstable steam temperature, difficult waste heat recovery and low energy efficiency of the existing steam generator, and further promotes the sustainable development of related industries of steam generator production and use.
Drawings
In order to more clearly illustrate the technical solutions of the present invention, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of one side of a tub, an electromagnetic heat pump heating unit, and a heat handling unit according to a first embodiment of the present invention;
FIG. 2 is a schematic diagram of a side view of a return manifold and a waste heat exchanger unit according to a first embodiment of the present invention;
fig. 3 is a schematic cross-sectional structure of a hood according to a first embodiment of the present invention;
Fig. 4 is a schematic diagram of a side of a return manifold and a waste heat exchanger unit according to a second embodiment of the present invention.
Wherein, the reference numerals are as follows:
1. a tub body; 11. a steam exhaust hood; 111. a steam exhaust hole; 12. a steam collecting drum; 121. a pressure gauge; 122. a safety valve;
2. An electromagnetic heat pump heating unit; 21. an evaporation coil; 22. a first compressor;
3. a heat handling unit; 31. a second compressor;
4. An exothermic fluorine heat exchanger;
5. A heat exchanger for discharging hot water and fluorine;
6. a waste heat exchanger unit; 61. a first water fluorine heat exchanger;
7. a water-cooled air conditioner; 71. a second hydro fluorous heat exchanger; 72. a liquid flow pump; 73. a circulation pump; 74. a water tank; 75. an air conditioner circulating water supply pump;
8. A steam collecting pipe;
9. A water inlet pipe; 91. a water inlet one-way valve; 92. a return branch pipe; 921. a return check valve; 922. a gas-liquid separator;
010. a throttle valve;
011. A water inlet valve;
012. A water level and temperature meter.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, based on the examples herein, which are within the scope of the invention as defined by the claims, will be within the scope of the invention as defined by the claims.
The embodiment provides high-temperature cascade steam generator waste heat recovery refrigeration equipment, which integrates various heat exchange mechanisms such as an electromagnetic heat pump heating unit, a heat handling unit, a heat release fluorine heat exchanger, a heat release water fluorine heat exchanger and the like, can effectively transfer generated heat step by step, realizes multistage heat energy exchange, improves the utilization efficiency of heat energy, ensures that the whole high-temperature cascade steam generator waste heat recovery refrigeration equipment can stably generate high-temperature steam, accurately controls the temperature of required steam, improves the working efficiency of a steam generator through waste heat recovery, reduces the energy consumption and the use cost, solves the problems of unstable steam temperature, difficult waste heat recovery and low energy efficiency of the existing steam generator, and further promotes the sustainable development of related industries of the production and the use of the steam generator. The problems of unstable steam temperature, difficult recovery of waste heat and low energy efficiency of the existing steam generator are effectively solved.
Hereinafter, embodiments will be described with reference to the drawings. The whole contents of the constitution shown in the following examples are not limited to the solution of the invention described in the claims.
A first embodiment of the high-temperature cascade steam generator waste heat recovery refrigeration equipment is shown in fig. 1 and 2, and comprises a barrel body 1, an electromagnetic heat pump heating unit 2, a heat handling unit 3, a heat release fluorine heat exchanger 4, a heat release water fluorine heat exchanger 5, a waste heat exchanger unit 6 and a steam collecting pipe 8; the barrel body 1 is connected with a steam collecting pipe 8 and a water inlet pipe 9; an insulating heat-insulating layer is wrapped outside the barrel body 1, an electromagnetic coil of the electromagnetic heat pump heating unit 2 is wound outside the insulating heat-insulating layer, and a plurality of shielding magnetic strips are arranged at intervals on the periphery of the electromagnetic coil; the outer periphery of the evaporation coil 21 of the electromagnetic heat pump heating unit 2 is sleeved with a nylon sleeve and is wound on the outer periphery of the shielding magnetic stripe; the electromagnetic coil is used for heating water in the barrel body 1 and condensing agent in the evaporation coil 21 of the electromagnetic heat pump heating unit 2; the heat exchange side of the electromagnetic heat pump heating unit 2 and the evaporation side of the heat handling unit 3 are connected into the heat release fluorine heat exchanger 4 for heat exchange to transfer the heat of the electromagnetic heat pump heating unit 2 into the heat handling unit 3; the heat exchange side of the heat handling unit 3 and the water inlet pipe 9 are connected into the heat release water fluorine heat exchanger 5 for heat exchange to transfer the heat of the heat handling unit 3 into the water inlet pipe 9; the water inlet pipe 9 is provided with a water inlet one-way valve 91 for limiting water flow to only the barrel body 1; the waste heat exchanger unit 6 comprises a first water fluorine heat exchanger 61 and a water-cooling air conditioner 7; the water inlet end of the first water fluorine heat exchanger 61 is connected with the steam collecting pipe 8, and the water outlet end is connected with the reflux branch pipe 92 of the water inlet pipe 9; the return branch pipe 92 is connected between the tub 1 and the water inlet check valve 91; the return branch pipe 92 is provided with a return check valve 921 for restricting the flow of water only to the water inlet pipe 9; the first water-fluorine heat exchanger 61 is used for transferring heat of the air-conditioning return water of the water-cooled air conditioner 7 to the return branch pipe 92.
(1) The electromagnetic coil of the electromagnetic heat pump heating unit 2 and the evaporating coil 21 are arranged on the periphery of the barrel body 1, the magnetic field generated by the electromagnetic coil can heat the evaporating coil 21 on the periphery of the barrel body 1 after being electrified, the condensing agent in the evaporating coil 21 absorbs heat generated by heating of the pipe wall, the electromagnetic heat pump heating unit 2 compresses the condensing agent into high-temperature and high-pressure gas through the compressor, and the gas is subjected to heat exchange of the heat-release fluorine heat exchanger 4, so that the heat is transferred to the heat handling unit 3, and the heat handling unit 3 is subjected to heat exchange of the heat-release fluorine heat exchanger 5, so that the heat is transferred to the water inlet pipe 9, and the water inlet in the water inlet pipe 9 is heated once.
The inlet water in the inlet pipe 9 enters the barrel body 1 after being heated for one time; the magnetic field after the electromagnetic coil is electrified can heat the barrel wall of the barrel body 1, and the water entering the barrel absorbs the heat of the barrel wall, so that the water in the barrel is secondarily heated; meanwhile, accurate temperature control heating can be achieved through electromagnetic heating, so that steam with accurately controllable temperature is formed;
(2) The water inlet end of the first water-fluorine heat exchanger 61 is connected with the steam collecting pipe 8, the water outlet end of the first water-fluorine heat exchanger 61 is connected with the backflow branch pipe 92 of the water inlet pipe 9, the first water-fluorine heat exchanger 61 transfers heat of air-conditioning backwater of the water-cooled air conditioner 7 into the backflow branch pipe 92, water vapor flowing back in the backflow branch pipe 92 is continuously heated, absorbed heat passes through water or water vapor as a carrier, and constraint of flowing direction is conducted through the water inlet check valve 91 and the backflow check valve 921, and the absorbed heat is converged into the water inlet pipe 9; the recovery and utilization of the steam waste heat and the air conditioner waste heat are realized, and the inlet water in the water inlet pipe 9 is heated for the first time, so that the overall energy efficiency of the high-temperature cascade steam generator waste heat recovery refrigeration equipment is improved.
(3) The water in the barrel body 1 and the condensing agent in the evaporating coil 21 are heated by the electromagnetic coil of the electromagnetic heat pump heating unit 2, so that the efficient conversion and utilization of electric energy into heat are realized; the plurality of shielding magnetic strips and the nylon sleeves are arranged at intervals on the periphery of the electromagnetic coil, so that the safety and the thermal efficiency of the electromagnetic heat pump heating unit 2 are further improved, and the energy loss is reduced; the insulating layer is wrapped outside the barrel body 1, so that heated water and vapor in the barrel body 1 and the barrel wall can be insulated, and meanwhile, the safety and the thermal efficiency of electromagnetic heating are further improved.
The high-temperature cascade steam generator waste heat recovery refrigeration equipment integrates various heat exchange mechanisms such as an electromagnetic heat pump heating unit 2, a heat handling unit 3, a heat release fluorine heat exchanger 4, a heat release water fluorine heat exchanger 5 and the like, can effectively transfer generated heat step by step, realizes multistage heat energy exchange, improves the utilization efficiency of heat energy, ensures that the whole high-temperature cascade steam generator waste heat recovery refrigeration equipment can stably generate high-temperature steam, accurately controls the temperature of required steam, improves the working efficiency of the steam generator through waste heat recovery, reduces the energy consumption and the use cost, solves the problems of unstable steam temperature, difficult waste heat recovery and low energy efficiency of the existing steam generator, and further promotes the sustainable development of related industries of the production and the use of the steam generator.
As an alternative to one of these embodiments,
Regarding the steam discharging structure and the safety structure of the tub 1, as shown in fig. 1 and 3, a steam discharging hood 11 is provided in the upper end of the tub 1; the upper end of the barrel body 1 is externally provided with a steam collecting drum 12; the upper end of the barrel body 1 is connected with the lower end of the steam collecting drum 12, and the steam outlet end of the barrel body 1 is arranged at the upper end of the steam collecting drum 12 and is connected with the steam collecting pipe 8; the upper end of the steam collecting drum 12 is also provided with a pressure gauge 121 and a safety valve 122, and the safety valve 122 starts pressure relief after the steam pressure in the steam collecting drum 12 exceeds the pressure standard.
Wherein, the structure of the exhaust hood 11 is a spherical crown structure which is concave downwards; the upper end of the steam exhaust cover 11 is provided with a plurality of steam outlet holes.
When the steam exhaust hood is applied, the steam outlet holes are uniformly arranged on the crown edge of the upper end of the steam exhaust hood 11, dry steam is exhausted from the steam outlet holes on the edge, water is gathered at the downward concave position of the middle steam exhaust hood 11 for backflow, and steam outlet quality is improved.
Regarding the water inlet pipe 9 and the water inlet control of the barrel body 1, as shown in fig. 1, a water level and temperature gauge 012 is connected to the barrel body 1; a water inlet valve 011 is arranged on the water inlet pipe 9 adjacent to the water inlet end of the barrel body 1; the water inlet valve 011 adjusts the opening of a valve according to the water level information of the water level and temperature gauge 012 and controls the water quantity entering the barrel 1; the electromagnetic heat pump heating unit 2 and the heat handling unit 3 control heating and heat exchanging power according to the water temperature in the barrel fed back by the water level water temperature gauge 012.
Regarding the connection structure between the heat-releasing fluorine heat exchanger 4 and the electromagnetic heat pump heating unit 2, as shown in fig. 1 and 2, a first heat exchange path is provided in the heat-releasing fluorine heat exchanger 4; the electromagnetic heat pump heating unit 2 includes a first compressor 22; the outlet of the first heat exchange passage is connected with the evaporation coil 21 outside the shielding magnetic stripe through a copper pipe, and a throttle valve 010 is arranged; the condensing agent outlet of the first compressor 22 is connected with the inlet of the first heat exchange passage, and the condensing agent inlet of the first compressor 22 is connected with the evaporating coil 21 outside the shielding magnetic strip.
Regarding the connection structure of the heat-releasing fluorine heat exchanger 4, the heat-releasing water fluorine heat exchanger 5 and the heat handling machine set 3, as shown in fig. 1, a second heat exchange passage is provided in the heat-releasing fluorine heat exchanger 4; a third heat exchange passage and a water exchange passage are arranged in the heat-discharging water fluorine heat exchanger 5; the heat handling unit 3 comprises a second compressor 31; the condensing agent inlet of the second compressor 31 is connected with the outlet of the second heat exchange passage, the inlet of the second heat exchange passage is connected with the outlet of the third heat exchange passage, and the inlet of the third heat exchange passage is connected with the condensing agent outlet of the second compressor 31; the water exchange passage is connected with the water inlet pipe 9.
Regarding the specific heat exchange structure of the above-described waste heat exchanger unit 6, as shown in fig. 1 and 2, the water-cooled air conditioner 7 includes a second water fluorine heat exchanger 71, a liquid flow pump 72, a circulation pump 73, a water tank 74, and an air-conditioning circulation water supply pump 75; the condensing agent inlet of the first water fluorine heat exchanger 61 is communicated with the condensing agent outlet of the second water fluorine heat exchanger 71 through a copper pipe, and a liquid flow pump 72 is arranged on the copper pipe; the condensing agent outlet of the first water fluorine heat exchanger 61 is communicated with the condensing agent inlet of the second water fluorine heat exchanger 71 through a copper pipe, and a throttle valve 010 is arranged on the copper pipe; the liquid flow pump 72 controls the flow of the condensing agent in the copper pipe for transferring the heat of the second water fluorine heat exchanger 71 into the first water fluorine heat exchanger 61; the water inlet end of the second water fluorine heat exchanger 71 is connected with the heat exchange water outlet end of the water tank 74 through a water pipe, and a circulating pump 73 is arranged on the water pipe; the water outlet end of the second water fluorine heat exchanger 71 is connected with the heat exchange water inlet end of the water tank 74 through a water pipe; the second water fluorine heat exchanger 71 is used to transfer heat of water of the water tank 74 into the first water fluorine heat exchanger 61; the return water of the water tank 74 is connected to the return water of the air conditioner for collecting the water after the heat absorption of the air conditioner; the water supply end of the water tank 74 is connected to an air conditioner circulating water supply pump 75, and supplies cold water for air conditioner cooling.
Specifically, the heat exchange pipelines of the first water fluorine heat exchanger 61 and the second water fluorine heat exchanger 71 are arranged, and a water passage and a condensing agent passage are arranged in the first water fluorine heat exchanger 61 and the second water fluorine heat exchanger 71; the water inlet end and the water outlet end of the first water fluorine heat exchanger 61 are respectively arranged at two ends of the water passage, and the condensing agent inlet and the condensing agent outlet of the first water fluorine heat exchanger 61 are respectively arranged at two ends of the condensing agent passage; the condensing agent inlet and the condensing agent outlet of the second water fluorine heat exchanger 71 are respectively arranged at two ends of the condensing agent passage, and the water inlet end and the water outlet end of the second water fluorine heat exchanger 71 are respectively arranged at two ends of the water passage.
Regarding the number of the electromagnetic heat pump heating units 2, the heat handling units 3, the heat-releasing fluorine heat exchanger 4 and the heat-releasing water fluorine heat exchanger 5, at least one group of electromagnetic heat pump heating units 2, heat handling units 3, heat-releasing fluorine heat exchanger 4 and heat-releasing water fluorine heat exchanger 5 is provided.
When the waste heat recovery refrigerating device is applied, the number of heating devices can be adjusted according to the steam output, the steam output speed and the heating speed of heating steam for water in the barrel body 1 required by the terminal of the steam collecting pipe 8, so that the performance of the waste heat recovery refrigerating device of the high-temperature cascade steam generator can be adapted to different scenes in practical application; as shown in fig. 1, two sets of electromagnetic heat pump heating units 2, heat handling units 3, exothermic fluorine heat exchangers 4 and exothermic water fluorine heat exchangers 5 are provided.
Wherein, the terminal evaporation group composed of the barrel body 1, the electromagnetic coil, the shielding magnetic stripe and the evaporation coil 21 sleeved outside the shielding magnetic stripe is at least provided with one group.
When the terminal evaporation group is applied, the terminal evaporation group can be overlapped in number, so that the waste heat recovery refrigeration equipment of the high-temperature cascade steam generator has larger steam output and quicker steam output speed, and the terminal evaporation group can be overlapped in number by adding the electromagnetic coil and the shielding magnetic stripe in a matched manner through the parallel barrel body 1, the water inlet pipe 9 and the evaporation coil 21 sleeved outside the shielding magnetic stripe; the specific arrangement is shown in figure 1, and two terminal evaporation groups are matched in a unilateral electromagnetic heat pump heating unit 2, a heat handling unit 3, a heat release fluorine heat exchanger 4 and a heat release water fluorine heat exchanger 5.
A second embodiment of the high temperature cascade steam generator heat recovery refrigeration apparatus is shown in fig. 1 and 4, which differs from the first embodiment in that a gas-liquid separator 922 is provided on the return branch 92; the gas-liquid separator 922 is disposed between the water outlet end of the first water fluorine heat exchanger 61 and the return check valve 921.
When the water heater is applied, the gas-liquid separator 922 arranged on the backflow branch pipe 92 can separate the water vapor after heat exchange, the redundant gas in the water vapor is discharged, and the water flows back to the water inlet pipe 9 through the backflow one-way valve 921, so that the water is heated by utilizing the waste heat of the steam and the waste heat of the water-cooled air conditioner, and the pressure of pipelines such as the backflow branch pipe 92, the water inlet pipe 9 and the like can be reduced.
While the foregoing is directed to the preferred embodiments of the present invention, it will be appreciated by those skilled in the art that changes and modifications may be made without departing from the principles of the invention, such changes and modifications are also intended to be within the scope of the invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (4)
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| CN204285418U (en) * | 2014-11-18 | 2015-04-22 | 华南理工大学 | A kind of steam engine system utilizing air conditioner afterheat to produce high-temperature steam |
| CN221036031U (en) * | 2023-09-27 | 2024-05-28 | 山东金亿家热能科技有限公司 | Air source double heat absorption electromagnetic steam cooling and heating device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN204285418U (en) * | 2014-11-18 | 2015-04-22 | 华南理工大学 | A kind of steam engine system utilizing air conditioner afterheat to produce high-temperature steam |
| CN221036031U (en) * | 2023-09-27 | 2024-05-28 | 山东金亿家热能科技有限公司 | Air source double heat absorption electromagnetic steam cooling and heating device |
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