CN105604619B - A kind of energy saving technique equipment of the two-stage high-efficiency comprehensive utilization of high steam - Google Patents
A kind of energy saving technique equipment of the two-stage high-efficiency comprehensive utilization of high steam Download PDFInfo
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- CN105604619B CN105604619B CN201510557554.6A CN201510557554A CN105604619B CN 105604619 B CN105604619 B CN 105604619B CN 201510557554 A CN201510557554 A CN 201510557554A CN 105604619 B CN105604619 B CN 105604619B
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- steam turbine
- energy
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- 238000000034 method Methods 0.000 title claims abstract description 13
- QLULGSLAHXLKSR-UHFFFAOYSA-N azane;phosphane Chemical compound N.P QLULGSLAHXLKSR-UHFFFAOYSA-N 0.000 claims abstract description 35
- 239000002002 slurry Substances 0.000 claims abstract description 7
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 235000010269 sulphur dioxide Nutrition 0.000 claims description 5
- 239000004291 sulphur dioxide Substances 0.000 claims description 5
- TXKMVPPZCYKFAC-UHFFFAOYSA-N disulfur monoxide Inorganic materials O=S=S TXKMVPPZCYKFAC-UHFFFAOYSA-N 0.000 claims 1
- XTQHKBHJIVJGKJ-UHFFFAOYSA-N sulfur monoxide Chemical compound S=O XTQHKBHJIVJGKJ-UHFFFAOYSA-N 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 10
- 239000002918 waste heat Substances 0.000 abstract description 5
- 239000002699 waste material Substances 0.000 abstract description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 8
- 230000005611 electricity Effects 0.000 description 7
- LFVGISIMTYGQHF-UHFFFAOYSA-N ammonium dihydrogen phosphate Chemical compound [NH4+].OP(O)([O-])=O LFVGISIMTYGQHF-UHFFFAOYSA-N 0.000 description 6
- 229910000387 ammonium dihydrogen phosphate Inorganic materials 0.000 description 6
- 235000019837 monoammonium phosphate Nutrition 0.000 description 6
- 239000006012 monoammonium phosphate Substances 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 210000004262 dental pulp cavity Anatomy 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- Engine Equipment That Uses Special Cycles (AREA)
Abstract
The present invention relates to a kind of energy saving technique equipment of the two-stage high-efficiency comprehensive utilization of high steam, including boiler, it further include level-one energy utilization device, Secondary energy using device, the level-one energy utilization device is connected to boiler, the high steam come out in boiler is become low-pressure steam by level-one energy utilization device, level-one energy utilization device is also connected to phosphorus ammonium evaporator simultaneously, and phosphorus ammonium evaporator is connected to exhaust apparatus one；Secondary energy is connected to level-one energy utilization device and exhaust apparatus two respectively using device, Secondary energy evaporates phosphor ammonium slurry using the low-pressure steam from level-one energy utilization device using device, or electric energy and mechanical energy are converted by its energy, the waste heat that the present invention makes full use of boiler to generate, reduce the waste of energy, electric energy has been saved, has reduced discharge, reduces production cost.
Description
Technical field
The present invention relates to a kind of energy saving technique equipment of the two-stage high-efficiency comprehensive utilization of high steam.
Background technique
Either waste heat boiler or matched boiler in Chemical Manufacture, generally can all generate a large amount of high steams, these
High steam may be used as the heat source of heating, be also used as the power source of driving equipment.
Monoammonium phosphate workshop is divided into sulfuric acid plant and phosphorus ammonium workshop, during normal production the waste heat boiler meeting of sulfuric acid plant
Generate a large amount of high steam, these steam through pipeline to the concentration section in phosphorus ammonium workshop, for heating phosphor ammonium slurry.Through
After crossing concentration section, high steam a part is condensed into water, and the steam not condensed is discharged into air by exhausting pipeline.
Energy a part of existing monoammonium phosphate production mesohigh steam is absorbed by slurry, is still had most of containing big energy
Discharge of steam falls, if this portion of energy cannot be made full use of, it will cause energy loss, be unfavorable for energy-saving and emission-reduction, cause wave
Take.
Summary of the invention
The technical problem to be solved by the present invention is to provide a kind of technique and equipment that can make full use of boiler afterheat.
Realize that the technical solution of above-mentioned purpose is as follows:
A kind of energy saving technique equipment of the two-stage high-efficiency comprehensive utilization of high steam, including boiler, it is characterised in that: also wrap
Level-one energy utilization device, Secondary energy are included using device, the level-one energy utilization device is connected to boiler, level-one energy benefit
The high steam come out in boiler is become into low-pressure steam with device, while level-one energy utilization device also connects with phosphorus ammonium evaporator
Logical, phosphorus ammonium evaporator is connected to exhaust apparatus one；
Secondary energy is connected to level-one energy utilization device and exhaust apparatus two respectively using device, and Secondary energy utilizes dress
It sets using the low-pressure steam evaporation phosphor ammonium slurry from level-one energy utilization device, or will be from the low of level-one energy utilization device
The energy of pressure steam is converted into electric energy and/or mechanical energy.
Steam turbine one and steam turbine two are that the first order of steam utilizes, and phosphorus ammonium evaporator and steam turbine three and steam turbine four are
The steam second level utilizes.Wherein steam turbine is the equipment for belonging to sulfuric acid plant, and phosphorus ammonium evaporator is the concentration for belonging to phosphorus ammonium workshop
Post equipment.
Boiler is waste heat boiler in the present invention, generates saturated high pressure steam using the waste heat in production, steam turbine is back pressure
Formula steam turbine under normal production scenarios, utilizes equipment using phosphorus ammonium evaporator as the second level of steam, if being influenced by market conditions
Or the planned overhaul of Lin An workshop section, then equipment is utilized using steam turbine three and steam turbine four as the second level of steam.
Boiler High Pressure steam is divided into two energy cascades and utilized by the present invention, by the equipment of the two energy cascades
Afterwards, the energy of steam is fully utilized, and reduces the waste of energy, has saved electric energy, reduces discharge, reduces life
Cost is produced, effect is very considerable.
Detailed description of the invention
Fig. 1 is schematic diagram of the present invention；
Fig. 2 is it is proposed that flow chart；
Fig. 3 is the partial enlarged view of Fig. 1；
Fig. 4 is the partial enlarged view of Fig. 1.
Figure number explanation: boiler 1, phosphorus ammonium evaporator 2, exhaust apparatus 1, exhaust apparatus 24, steam turbine 1, steamer
Machine 26, pipeline 1, pipeline 28, steam turbine 39, steam turbine 4 10, pipeline 3 11, pipeline 4 12, feed pump 13, pipeline five
14, drum 15.
Specific embodiment
The present invention is described in detail with reference to the accompanying drawing.
In figure, the energy saving technique equipment of the two-stage high-efficiency comprehensive utilization of high steam, including boiler 1, level-one energy utilization
Device, Secondary energy utilize device, and the level-one energy utilization device is connected to boiler 1, and level-one energy utilization device is by boiler
The interior high steam come out becomes low-pressure steam, while level-one energy utilization device is also connected to phosphorus ammonium evaporator 2, the evaporation of phosphorus ammonium
Device 2 is connected to exhaust apparatus 1；
Secondary energy is connected to level-one energy utilization device and exhaust apparatus 24 respectively using device, and Secondary energy utilizes
Device using from level-one energy utilization device low-pressure steam evaporate phosphor ammonium slurry, or by its energy be converted into electric energy and/or
Mechanical energy, exhaust apparatus 1 and exhaust apparatus 24 are preferably chimney in the present invention, and chimney is used to steaming extra in discharge line
Vapour.
Wherein level-one energy utilization device is electronic including two steam turbines, fluidized bed furnace fan electromotor, sulphur dioxide blower
Machine, steam turbine are respectively that the output shaft of steam turbine 1, steam turbine 26, wherein steam turbine 1 and fluidized bed furnace fan electromotor connects
It connects, the output axis connection of steam turbine 26 and sulphur dioxide blower motor, pipeline 1 is provided on steam turbine 1, wherein managing
The both ends in road 1 are respectively communicated with boiler 1 and phosphorus ammonium evaporator 2, and pipeline 28 is provided on steam turbine 26, the pipeline 28
Both ends are connected to pipeline 1 respectively；
The Secondary energy includes phosphorus ammonium evaporator, two steam turbines, pump motor, generator-motors using device
Machine, the steam turbine are respectively that the output shaft of steam turbine 39, steam turbine 4 10, wherein steam turbine 39 and pump motor connects
It connects, the output axis connection of steam turbine 4 10 and generator is wherein provided with pipeline 3 11 on steam turbine 39, wherein pipeline 3 11
Both ends be connected to respectively with pipeline 1 and exhaust apparatus 24, pipeline 4 12, the pipeline 4 12 are provided on steam turbine 4 10
Both ends be connected to respectively with pipeline 1 and exhaust apparatus 24.The preferred air blower of blower.
Level-one energy utilization device is connected with fluidized bed furnace fan electromotor and sulphur dioxide blower motor respectively
Steam turbine (i.e. steam turbine one, steam turbine two), since steam turbine is connected with the output shaft of respective matched motor, electricity
The common drive motor of power that can be generated with steam turbine does work, this two steam turbines can convert machine for a part of steam energy
Tool energy, the mechanical energy of conversion and the common drive motor operating of the electric energy of motor, save the electric energy of motor, alleviate electronic
The load of machine achievees the purpose that save electric energy.
Secondary energy is the phosphorus ammonium evaporator and two low-pressure turbines arranged side by side therewith of phosphorus ammonium concentration section using device
(i.e. steam turbine three and steam turbine four).
In order to conveniently add water to boiler, feed pump 13, communicating pipe between feed pump 13 and boiler 1 are set near boiler
The water in road 5 14, feed pump 13 is entered in boiler 1 by pipeline 5 14, and drum 15, one 7 He of pipeline are installed in the top of boiler 1
Pipeline 5 14 is connected to drum 15 respectively, installation and adjustment valve on every root canal road, and regulating valve adjusts flowing water or water in pipeline and steams
Gas.Demineralized water can be perfused in feed pump 13.
The high steam come out from boiler is divided into two energy grades by the present invention, with different equipment to the two energy
The energy of grade steam is made full use of.
High steam passes through preliminary energy utilization, becomes the low-pressure steam for being able to satisfy phosphorus ammonium concentration section energy requirement, so
Low-pressure steam is transported to the phosphorus ammonium evaporator of concentration section for monoammonium phosphate by No.1 pipeline (i.e. the back segment of pipeline one) afterwards
Production；If market or it is other due to monoammonium phosphate stop production, can be conveyed by No. two pipelines (i.e. pipeline three and pipeline four)
To low-pressure turbine (i.e. steam turbine three and steam turbine four), the energy of low-pressure steam is utilized again.
Low-pressure steam passes through the phosphorus ammonium evaporator that pipeline one is transported to phosphorus ammonium concentration section to monoammonium phosphate during normal production, uses
It is produced in monoammonium phosphate.
When Market Reasons or it is other due to, when phosphorus ammonium workshop cannot produce, low-pressure steam can pass through pipeline three and pipe
Road four is transported to low-pressure turbine (i.e. steam turbine three and steam turbine four), this two steam turbines can convert the energy of low-pressure steam
For electric energy and mechanical energy, the mechanical energy of conversion and the electric energy of motor are total to drive motor operating, alleviate the load of motor,
To achieve the purpose that make full use of energy.
Below it is specifically used step of the invention:
When the present invention installs, and after capable of normally producing, Lin An workshop section is contacted, opens the valve to Lin An workshop section conveying steam
Door, prepares to send steam to Lin An workshop section i.e. phosphorus ammonium evaporator.
(1) it is first turned on steam turbine two, boiler conveys a small amount of high steam to steam turbine two, and heating coil 15 minutes.
(2) the manual inlet valve for slightly opening steam turbine, warming-up 10~15 minutes, waits the temperature of steam turbines to reach 100 DEG C
When, have compressor start up condition.
(3) the outlet exhaust steam valve for opening steam turbine, gradually opens the big manual inlet valve of steam turbine import.
(4) throttle flow is slowly adjusted into steam control valve using steam turbine is electronic, while pays attention to observing motor current and turns
The parameters such as the oil pressure and bearing temperature of speed and steam turbine.
(5) according to boiler pressure steam turbine inlet valve is adjusted to suitable aperture, steam turbine is operated by the case where
Button gets to safety interlocking position, and steam turbine startup procedure finishes.
(6) after two normal operation of steam turbine, steam turbine one is opened, step is identical as steam turbine two, is no longer described in detail.
(7) by boiler Lai 2.3Mpa, 220 DEG C of high temperature and high pressure steam become 0.3Mpa, 150 after two steam turbines
DEG C low-pressure steam be sent to phosphorus ammonium workshop concentration post, the case where the steam that Lin An workshop section sends according to sulfuric acid workshop section, adjust life
Load is produced to normal.
When Lin An workshop section stops production, steam turbine three and steam turbine four need to be opened, step with it is upper identical.
Fluidized bed furnace fan electromotor mean power is 350kw (before not connected steam turbine one, i.e., before not being transformed), connection
Mean power is 125kw after steam turbine one；Sulphur dioxide blower motor mean power be 1000kw (not connected steam turbine two it
Before, i.e., before not being transformed), mean power is 450kw after connecting steam turbine two, and by connecting the transformation of steam turbine, two are electronic
Machine can economize on electricity 775kw altogether, then can economize on electricity 18600kwh daily, if not having to steam turbine but high steam being fed directly to phosphorus ammonium work
Section, then this portion of energy just is directly discharged in the air, lost with steam.
If Bu Kailin ammonium workshop section, opens steam turbine three and steam turbine four, a big chunk energy, steam turbine can also be saved
Three can directly be dragged and motor need not be powered by steam turbine, and can averagely economize on electricity 245kw, and electric turbine (steam turbine four)
Can averagely be generated electricity 450kw, therefore the 695kw that can averagely economize on electricity altogether, then can economize on electricity 16680kwh daily, and effect is also very considerable.
The above is only the preferred embodiments of the embodiment of the present invention, are not intended to limit the invention embodiment, all at this
Within the spirit and principle of inventive embodiments, any modification, equivalent replacement, improvement and so on be should be included in of the invention real
It applies in the protection scope of example.
Claims (4)
1. a kind of energy saving technique equipment of the two-stage high-efficiency comprehensive utilization of high steam, it is characterised in that: including boiler, further include
Level-one energy utilization device, Secondary energy utilize device, and the level-one energy utilization device is connected to boiler, level-one energy utilization
The high steam come out in boiler is become low-pressure steam by device, while level-one energy utilization device also utilizes dress with Secondary energy
Phosphorus ammonium evaporator connection in setting, phosphorus ammonium evaporator are connected to exhaust apparatus one；Secondary energy using device respectively with level-one energy
Amount is connected to using device with exhaust apparatus two, and Secondary energy utilizes the low-pressure steam from level-one energy utilization device using device
Phosphor ammonium slurry is evaporated, or converts electric energy and/or mechanical energy for the energy of the low-pressure steam from level-one energy utilization device；Institute
Stating level-one energy utilization device includes two steam turbines, fluidized bed furnace fan electromotor, sulphur dioxide blower motor, steam turbine point
Not Wei steam turbine one, steam turbine two, the wherein output axis connection of steam turbine one and fluidized bed furnace fan electromotor, steam turbine two and two
The output axis connection of sulfur oxide fan electromotor is provided with pipeline one on steam turbine one, and wherein the both ends of pipeline one are respectively communicated with
Boiler and phosphorus ammonium evaporator are provided with pipeline two on steam turbine two, and the both ends of the pipeline two are connected to pipeline one respectively；From pot
The high steam that furnace comes out passes through steam turbine one and steam turbine by becoming low-pressure steam after steam turbine one, steam turbine two
Two some vapor driving steam turbine one and steam turbine two acting generates power, makes the part by steam turbine one and steam turbine two
Steam is converted into electric energy and/or mechanical energy, the power that steam turbine one and steam turbine two generate and respective matched motor
The common drive motor operating of electric energy；The Secondary energy includes that phosphorus ammonium evaporator, two steam turbines, water pumps are electronic using device
Machine, generator, the steam turbine are respectively steam turbine three, steam turbine four, wherein the output shaft of steam turbine three and pump motor
Connection, the output axis connection of steam turbine four and generator are wherein provided with pipeline three on steam turbine three, wherein the both ends of pipeline three
Be connected to respectively with pipeline one and exhaust apparatus two, be provided with pipeline four on steam turbine four, the both ends of the pipeline four respectively with pipe
Road one is connected to exhaust apparatus two, and low-pressure steam is transported to steam turbine three and steam turbine four by pipeline three and pipeline four, low
Pressure steam is used to evaporate phosphor ammonium slurry or driving steam turbine three and steam turbine four and does work, and steam turbine three and steam turbine four are by low pressure
The energy of steam is converted into electric energy and/or mechanical energy, makes the common drive motor of electric energy of steam turbine three Yu matched motor
Operating.
2. the energy saving technique equipment of the two-stage high-efficiency comprehensive utilization of high steam according to claim 1, it is characterised in that:
The exhaust apparatus one and exhaust apparatus two are chimney.
3. the energy saving technique equipment of the two-stage high-efficiency comprehensive utilization of high steam according to claim 1, it is characterised in that:
It further include feed pump, the water of connecting pipe five between the feed pump and boiler, feed pump is entered in boiler by pipeline five.
4. the energy saving technique equipment of the two-stage high-efficiency comprehensive utilization of high steam according to claim 1, it is characterised in that:
Drum is installed at the top of boiler, and pipeline one and pipeline five are connected to drum respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510557554.6A CN105604619B (en) | 2015-09-01 | 2015-09-01 | A kind of energy saving technique equipment of the two-stage high-efficiency comprehensive utilization of high steam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510557554.6A CN105604619B (en) | 2015-09-01 | 2015-09-01 | A kind of energy saving technique equipment of the two-stage high-efficiency comprehensive utilization of high steam |
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| Publication Number | Publication Date |
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| CN105604619A CN105604619A (en) | 2016-05-25 |
| CN105604619B true CN105604619B (en) | 2018-12-04 |
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| CN201510557554.6A Expired - Fee Related CN105604619B (en) | 2015-09-01 | 2015-09-01 | A kind of energy saving technique equipment of the two-stage high-efficiency comprehensive utilization of high steam |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101555603A (en) * | 2009-05-13 | 2009-10-14 | 中国瑞林工程技术有限公司 | Method for generating power and supplying heat by utilizing pressure difference of copper electrolysis low-pressure steam |
| CN101769179A (en) * | 2010-02-01 | 2010-07-07 | 江西佳能新能源发展有限公司 | Environment-friendly energy conservation and emission reduction system |
| CN102733956B (en) * | 2011-04-07 | 2014-01-08 | 中国科学院工程热物理研究所 | A distributed energy supply system and method in which fossil fuels and solar energy complement each other |
| US20130044851A1 (en) * | 2011-08-17 | 2013-02-21 | Westinghouse Electric Company Llc | Backup nuclear reactor auxiliary power using decay heat |
| CN102393149B (en) * | 2011-11-15 | 2013-10-30 | 东方希望重庆水泥有限公司 | Thermotechnical linkage power system utilizing waste heat of cement production system and using method thereof |
| CN202374114U (en) * | 2011-12-22 | 2012-08-08 | 山东泓奥电力科技有限公司 | Dual-power combined driving device for auxiliary engine in power station |
| EP2762689B1 (en) * | 2013-02-05 | 2017-06-07 | General Electric Technology GmbH | Steam power plant with a second low-pressure turbine and an additional condensing system and method for operating such a steam power plant |
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| CN105604619A (en) | 2016-05-25 |
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Effective date of registration: 20200430 Address after: 355 200 No. 44 Jishi Road, Taimushan Town, Fuding City, Ningde City, Fujian Province Patentee after: Lin Chenyi Address before: Xiangfan City, Hubei Province, more than 441000 Baokang Lake Industrial Park Patentee before: HUBEI SHI ER JIA FERTILIZER Co.,Ltd. |
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Effective date of registration: 20200929 Address after: No. 12, Weiye Road, Suchu modern industrial park, Chuzhou, Anhui Patentee after: Anhui Chuangyan New Material Co.,Ltd. Address before: 355 200 No. 44 Jishi Road, Taimushan Town, Fuding City, Ningde City, Fujian Province Patentee before: Lin Chenyi |
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Denomination of invention: An energy-saving process equipment for two-stage efficient and comprehensive utilization of high-pressure steam Effective date of registration: 20211207 Granted publication date: 20181204 Pledgee: Chuzhou Wandong Rural Commercial Bank Co.,Ltd. Dawang sub branch Pledgor: Anhui Chuangyan New Material Co.,Ltd. Registration number: Y2021980014309 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20221110 Granted publication date: 20181204 Pledgee: Chuzhou Wandong Rural Commercial Bank Co.,Ltd. Dawang sub branch Pledgor: Anhui Chuangyan New Material Co.,Ltd. Registration number: Y2021980014309 |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181204 |