CN115839492B - Oil-gas dual-purpose oxy-fuel kiln combustion system - Google Patents
Oil-gas dual-purpose oxy-fuel kiln combustion system Download PDFInfo
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- CN115839492B CN115839492B CN202211402731.XA CN202211402731A CN115839492B CN 115839492 B CN115839492 B CN 115839492B CN 202211402731 A CN202211402731 A CN 202211402731A CN 115839492 B CN115839492 B CN 115839492B
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- 238000002485 combustion reaction Methods 0.000 title claims abstract description 108
- 239000000446 fuel Substances 0.000 title claims abstract description 55
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 160
- 239000001301 oxygen Substances 0.000 claims abstract description 122
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 122
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 118
- 239000000295 fuel oil Substances 0.000 claims abstract description 97
- 239000003345 natural gas Substances 0.000 claims abstract description 80
- 239000007789 gas Substances 0.000 claims abstract description 73
- 230000005540 biological transmission Effects 0.000 claims abstract description 42
- 239000003921 oil Substances 0.000 claims description 18
- 238000002347 injection Methods 0.000 claims description 13
- 239000007924 injection Substances 0.000 claims description 13
- 238000012544 monitoring process Methods 0.000 claims description 9
- 230000007306 turnover Effects 0.000 claims description 9
- 238000010521 absorption reaction Methods 0.000 claims description 7
- 238000001514 detection method Methods 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 7
- 230000005856 abnormality Effects 0.000 claims description 6
- 238000007405 data analysis Methods 0.000 claims description 6
- 238000005516 engineering process Methods 0.000 abstract description 8
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 abstract description 6
- 238000003723 Smelting Methods 0.000 abstract description 5
- 239000000919 ceramic Substances 0.000 abstract description 5
- 239000011521 glass Substances 0.000 abstract description 5
- 238000005086 pumping Methods 0.000 description 26
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 8
- 230000001360 synchronised effect Effects 0.000 description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 239000000779 smoke Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/10—Reduction of greenhouse gas [GHG] emissions
- Y02P10/143—Reduction of greenhouse gas [GHG] emissions of methane [CH4]
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- Regulation And Control Of Combustion (AREA)
Abstract
The invention relates to an oil-gas dual-purpose total oxygen kiln combustion system, which comprises a heavy oil pump conveying pipe, a natural gas pump conveying pipe and an oxygen pump conveying pipe, wherein the end part of the oxygen pump conveying pipe is connected with a three-way joint, two ends of the three-way joint are respectively connected with a first gas conveying branch pipe and a second gas conveying branch pipe, a linkage pressurizing assembly is arranged between the first gas conveying branch pipe and the heavy oil pump conveying pipe and between the second gas conveying branch pipe and the natural gas pump conveying pipe, an electric cabinet is arranged in the middle of the heavy oil pump conveying pipe and the natural gas pump conveying pipe, and an oil-gas combustion switching assembly is arranged on the inner wall of one side of the electric cabinet; the kiln combustion system realizes the combustion of pure oxygen combustion technology consisting of oxygen and fuel in glass, ceramic, nonferrous smelting and other kilns, improves the combustion efficiency of the kiln, can synchronously pressurize heavy oil and oxygen pump transmission or natural gas and oxygen pump transmission by means of the arrangement of the linkage pressurizing assembly, ensures that the oxygen and the fuel are more fully mixed, and can realize the automatic switching of the combustion modes of the heavy oil and the natural gas by means of the arrangement of the oil-gas combustion switching assembly.
Description
Technical Field
The invention relates to the technical field of total oxygen kilns, in particular to a combustion system of an oil-gas dual-purpose total oxygen kiln.
Background
The oxy-fuel combustion is to replace air with industrial oxygen to burn fuel, so that the fuel combustion is more complete, and the oxy-fuel combustion has a plurality of advantages for air combustion: compared with air combustion, the total oxygen combustion process has the advantages that about 79% of nitrogen in the air does not participate in combustion, the flame temperature can be increased, nitrogen does not exist in flue gas, combustion products are triatomic products, the heat transfer effect of triatomic substances is higher than that of diatomic substances, and the heating efficiency is improved; and the nitrogen is not participated in smoke exhaust any more, so that the smoke amount can be greatly reduced, and the heat loss of smoke exhaust is reduced.
Along with the development of technology, the combustion mode of the full-oxygen combustion (also called pure-oxygen combustion) technology is fuel+oxygen, along with the development of the oxygen production technology and the reduction of the electric power cost, the pure-oxygen combustion technology consisting of oxygen+fuel becomes a better choice scheme for replacing the conventional combustion mode consisting of air and fuel in a glass, ceramic, nonferrous smelting and other kilns, and is widely used in the full-oxygen kiln, but the conventional combustion mode has low combustion efficiency, cannot perform full-oxygen combustion of various fuels, can not automatically perform switching of the combustion mode in the combustion process, can not perform remote acquisition of fuel pump transmission data in the kiln combustion process, can not realize remote monitoring of the combustion state in the kiln, and can not realize remote adjustment of the combustion mode and the combustion size in the kiln.
In order to solve the problems, the invention provides a combustion system of an oil-gas dual-purpose total oxygen kiln.
Disclosure of Invention
(1) Technical problem to be solved
The invention aims to solve the problems in the prior art, adapt to the actual needs, and provide a combustion system of an oil-gas dual-purpose total oxygen kiln so as to solve the technical problems.
(2) Technical proposal
In order to achieve the purpose of the invention, the technical scheme adopted by the invention is as follows:
the utility model provides a dual-purpose total oxygen kiln combustion system of oil gas, includes heavy oil pump delivery pipe, natural gas pump delivery pipe and oxygen pump delivery pipe, the end connection of oxygen pump delivery pipe has three way connection, three way connection's both ends are connected with first gas transmission branch pipe and second gas transmission branch pipe respectively, all be provided with linkage pressurization subassembly between first gas transmission branch pipe and the heavy oil pump delivery pipe and second gas transmission branch pipe and the natural gas pump delivery pipe, the middle part of heavy oil pump delivery pipe and natural gas pump delivery pipe is provided with the electric cabinet, be provided with oil gas combustion switching assembly on the inner wall of one side of electric cabinet.
Preferably, the linkage pressurization subassembly is including fixing the inside slat of heavy oil pump delivery pipe and natural gas pump delivery pipe, rotate on the middle part outer wall of slat and install the transmission shaft, first turbine is installed to the tip of transmission shaft, the other end of transmission shaft is fixed with first bevel gear, rotate on the inner wall of one side of heavy oil pump delivery pipe and natural gas pump delivery pipe and install the drive shaft, the bottom mounting of drive shaft has the second bevel gear, be fixed with the turbine pump on the outer wall of one side of heavy oil pump delivery pipe and natural gas pump delivery pipe, the drive shaft runs through and is fixed with the second turbine on the outer wall of the inside one end of turbine pump, install the motor on the top outer wall of turbine pump, and the output shaft bottom of motor is fixed with the top of drive shaft, the one end of first gas delivery branch pipe and second gas delivery branch pipe is connected with the suction end of turbine pump, the pump delivery end of turbine pump is connected with the oxygen injection pipe, the one end of oxygen injection pipe link up with heavy oil pump delivery pipe and natural gas pump delivery pipe tip respectively.
Preferably, the oil gas combustion switching component is including inlaying the bobbin of fixing on the inner wall of electric cabinet one side, the tip through-connection of bobbin has logical press pipe, and logical press pipe's one end runs through in heavy oil pump delivery pipe's inside, the inside of bobbin is provided with the piston, fixed connecting rod on one side outer wall of piston, the connecting rod runs through in the outside of bobbin, and the cover is equipped with first spring on the outer wall of the inside one end of connecting rod in bobbin, be fixed with the installation axle on the bottom inner wall of electric cabinet, the top of installation axle rotates and is connected with electrically conductive upset board, the one end and the upset board tip outer wall fixed connection of connecting rod, electrically conductive upset board's one end is connected with the power cord, link up on the both sides inner wall of electric cabinet has been seted up the through-hole, the inside cartridge of through-hole has the guide arm, the one end of guide arm is fixed with the stopper, and the other end of guide arm is fixed with the contact, the guide arm is located the second spring on the outer wall of contact one side, be provided with the conducting ring on the outer wall between the contact, one end and one side outer wall fixed with the conducting ring of conducting ring, one side of installing the side of electric upset board and conducting ring, one side and the first side of tip and second pump delivery valve are installed to have electrically conductive pump end and first side and second pump delivery valve, first side electrically conductive valve.
Preferably, solenoid valve and pressure sensor are all installed on the tip inner wall of heavy oil pump delivery pipe, natural gas pump delivery pipe and oxygen pump delivery pipe, install oxygen volume detection sensor on the tip inner wall of oxygen pump delivery pipe, install the circuit board on the bottom inner wall of electric cabinet, install PLC controller and power module on the top outer wall of circuit board, install data monitoring unit, data analysis unit and data unusual alarm unit on the top one side outer wall of circuit board, install data transmission module and oil gas pump delivery adjustment module on the top outer wall of circuit board, the outside of electric cabinet is provided with mobile terminal.
Preferably, the mobile terminal is one or more of a mobile phone, an iPad and a computer.
Preferably, the middle part of the oxygen injection pipe is connected with a spiral heat absorption pipe in a penetrating way, and the spiral heat absorption pipe is sleeved on the outer walls of the end parts of the heavy oil pump conveying pipe and the natural gas pump conveying pipe.
Preferably, a bearing is arranged at the rotary joint of the driving shaft and the natural gas pump transmission pipe, and shaft seals are arranged at two ends of the bearing.
Preferably, the conductive overturning plate, the conductive ring, the contact, the guide rod and the limiting block are all of conductive structures.
Preferably, the end parts of the heavy oil pump conveying pipe, the natural gas pump conveying pipe and the oxygen pump conveying pipe are all provided with connecting flanges.
(3) The beneficial effects are that:
A. the kiln combustion system carries out heavy oil pumping through the heavy oil pumping pipe, natural gas pumping through the natural gas pumping pipe, oxygen pumping through the oxygen pumping pipe, high-concentration oxygen pumping into the heavy oil pumping pipe to be mixed with heavy oil, pumping into the kiln to burn, high-concentration oxygen pumping into the natural gas pumping pipe to be burnt with natural gas, pumping into the kiln to burn, and pure oxygen combustion technology consisting of oxygen and fuel is realized to burn in glass, ceramic, nonferrous smelting and other melting kilns, the conventional combustion mode consisting of air and fuel is replaced, and the combustion efficiency of the kiln is greatly improved.
B. The arrangement of the linkage pressurizing assembly can synchronously improve the pumping speed of heavy oil or natural gas in the pumping pipe, realize synchronous pressurization of fuel and oxygen in the combustion process of heavy oil and oxygen or natural gas and oxygen, ensure the balance of fuel and oxygen proportion, effectively realize the control of the combustion size in the kiln, and realize the synchronous pumping that the fuel and oxygen can be fully mixed and improve the combustion efficiency.
C. The arrangement of the oil-gas combustion switching assembly automatically controls the second electrifying valves on the heavy oil pump conveying pipe and the first gas conveying branch pipe to be in an open state, so that combustion of heavy oil and oxygen modes is carried out, and when the combustion mode is switched, the first electrifying valves on the natural gas pump conveying pipe and the second gas conveying branch pipe are automatically controlled to be opened, so that the pump conveying of natural gas and oxygen is realized, the automatic switching of the natural gas and oxygen combustion modes is completed, and the two-purpose full-oxygen combustion of oil and gas in a kiln is facilitated.
D. In the fuel and oxygen pumping and burning process, a user can remotely acquire detection data and alarm signals through the mobile terminal, remote monitoring of the combustion state in the kiln is achieved, the user can control the electromagnetic valve on the pumping and transporting pipe through the mobile terminal in cooperation with the oil and gas pumping and transporting adjusting module, and adjustment of heavy oil or natural gas and oxygen flow can be achieved, and accordingly remote adjustment of the combustion mode and the combustion size in the kiln is achieved.
Drawings
FIG. 1 is a schematic diagram of the overall perspective structure of a combustion system of an oil-gas dual-purpose oxy-fuel kiln;
FIG. 2 is a schematic diagram of an enlarged structure at A of a combustion system of an oil-gas dual-purpose oxy-fuel kiln;
FIG. 3 is a schematic view of a three-dimensional cutaway structure of a linkage pressurizing assembly in a combustion system of an oil-gas dual-purpose oxy-fuel kiln;
FIG. 4 is an enlarged schematic view of the structure of the part B of the combustion system of the oil-gas dual-purpose oxy-fuel kiln;
FIG. 5 is a schematic diagram of an enlarged structure of a C-site of a combustion system of an oil-gas dual-purpose oxy-fuel kiln;
FIG. 6 is a schematic diagram of a three-dimensional cutaway structure of an electric cabinet in the combustion system of the oil-gas dual-purpose oxy-fuel kiln of the invention;
the reference numerals are as follows:
1. a heavy oil pump pipe; 2. a natural gas pump pipe; 3. an oxygen pump transport tube; 4. a three-way joint; 5. a first gas delivery manifold; 6. a second gas delivery manifold; 7. a linkage pressurizing assembly; 8. an electric control box; 9. an oil-gas combustion switching assembly; 10. an electromagnetic valve; 11. a pressure sensor; 12. an oxygen amount detection sensor; 13. a circuit board; 14. a PLC controller; 15. a power module; 16. a data monitoring unit; 17. a data analysis unit; 18. a data abnormality alarm unit; 19. a data transmission module; 20. the oil gas pump transmission adjusting module; 21. a mobile terminal; 22. a spiral heat absorbing pipe; 701. a slat; 702. a transmission shaft; 703. a first turbine; 704. a first bevel gear; 705. a drive shaft; 706. a second bevel gear; 707. a turbine pump; 708. a second turbine; 709. a motor; 710. an oxygen injection tube; 901. a bobbin; 902. a pressure tube; 903. a piston; 904. a connecting rod; 905. a first spring; 906. a mounting shaft; 907. a conductive flipping plate; 908. a power line; 909. a through hole; 910. a guide rod; 911. a limiting block; 912. a contact; 913. a second spring; 914. a conductive ring; 915. conductive branches; 916. a first energizing valve; 917. and a second electrically conductive valve.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
The invention is further illustrated below with reference to figures 1-6 and examples:
in the embodiment, as shown in figures 1-6, the oil-gas dual-purpose total oxygen kiln combustion system comprises a heavy oil pump conveying pipe 1, a natural gas pump conveying pipe 2 and an oxygen pump conveying pipe 3, wherein the end part of the oxygen pump conveying pipe 3 is connected with a three-way joint 4, two ends of the three-way joint 4 are respectively connected with a first gas conveying branch pipe 5 and a second gas conveying branch pipe 6, a linkage pressurizing assembly 7 is arranged between the first gas conveying branch pipe 5 and the heavy oil pump conveying pipe 1 and between the second gas conveying branch pipe 6 and the natural gas pump conveying pipe 2, an electric cabinet 8 is arranged in the middle of the heavy oil pump conveying pipe 1 and the natural gas pump conveying pipe 2, an oil-gas combustion switching assembly 9 is arranged on the inner wall of one side of the electric cabinet 8, the kiln combustion system pumps heavy oil through the heavy oil pump conveying pipe 1 and pumps natural gas through the natural gas pump conveying pipe 2, the oxygen pump delivery pipe 3 is used for delivering 93% concentration oxygen, the high concentration oxygen pump is delivered into the heavy oil pump delivery pipe 1 to be mixed with heavy oil, the high concentration oxygen pump is delivered into the kiln to be burnt, the high concentration oxygen pump is delivered into the natural gas pump delivery pipe 2 to be burnt with natural gas, the pump is delivered into the kiln to be burnt, the pure oxygen combustion technology consisting of oxygen and fuel is realized to burn in glass, ceramic, nonferrous smelting and other melting furnaces, the conventional combustion mode consisting of air and fuel is replaced, the combustion efficiency of the kiln is greatly improved, the synchronous pressurization of heavy oil and oxygen pump delivery or natural gas and oxygen pump delivery can be carried out through the arrangement of the linkage pressurizing assembly 7, the oxygen and fuel can be mixed more fully, and the automatic switching of the combustion modes of the heavy oil and the natural gas can be realized through the arrangement of the oil-gas combustion switching assembly 9.
In this embodiment, as shown in fig. 1 to 3, the linkage pressurizing assembly 7 comprises a lath 701 fixed inside a heavy oil pump transmission pipe 1 and a natural gas pump transmission pipe 2, a transmission shaft 702 is rotatably installed on the outer wall of the middle part of the lath 701, a first turbine 703 is installed at the end of the transmission shaft 702, a first bevel gear 704 is fixed at the other end of the transmission shaft 702, a driving shaft 705 is rotatably installed on the inner wall of one side of the heavy oil pump transmission pipe 1 and the natural gas pump transmission pipe 2, a second bevel gear 706 is fixed at the bottom end of the driving shaft 705, a turbine pump 707 is fixed on the outer wall of one side of the heavy oil pump transmission pipe 1 and the natural gas pump transmission pipe 2, a second turbine 708 is fixed on the outer wall of one end penetrating the inside of the turbine pump 707, a motor 709 is installed on the outer wall of the top of the turbine pump 707, the bottom end of the output shaft of the motor 709 is fixed with the top end of the driving shaft 705, one ends of the first gas transmission branch pipe 5 and the second gas transmission branch pipe 6 are connected with the suction end of the turbine pump 707, the pump delivery end of the turbine pump 707 is connected with an oxygen injection pipe 710, one end of the oxygen injection pipe 710 is respectively communicated with the ends of the heavy oil pump delivery pipe 1 and the natural gas pump delivery pipe 2, in the process of delivering heavy oil and oxygen or natural gas and oxygen, a motor 709 can be controlled to work to drive a driving shaft 705 to rotate, thereby driving a second turbine 708 to rotate in the turbine pump 707, the speed of oxygen pump delivery in the first gas delivery branch pipe 5 or the second gas delivery branch pipe 6 is increased under the centrifugal effect, oxygen is pumped and delivered into the fuel pump delivery pipe through the oxygen injection pipe 710 to be fully mixed with heavy oil or natural gas, in the process, the driving shaft 705 drives a second bevel gear 706 to rotate, and under the cooperation transmission of the second bevel gear 706 and the first bevel gear 704, the driving shaft 702 is driven to rotate, thereby driving the first turbine 703 in the heavy oil pump delivery pipe 1 or the natural gas pump delivery pipe 2 to rotate, thus, the pumping speed of heavy oil or natural gas in the pumping pipe is synchronously improved, synchronous pressurization of fuel and oxygen in the combustion process of heavy oil and oxygen or natural gas and oxygen is realized, the balance of the fuel and oxygen proportion is ensured, the control of the combustion size in a kiln is effectively realized, the synchronous pumping is also that the fuel and the oxygen can be fully mixed, and the combustion efficiency is improved.
In this embodiment, as shown in fig. 1, 2 and 4, the oil-gas combustion switching assembly 9 comprises a bobbin 901 inlaid and fixed on one side inner wall of an electric cabinet 8, the end part of the bobbin 901 is connected with a pressure tube 902 in a penetrating way, one end of the pressure tube 902 penetrates through the inside of the heavy oil pump delivery tube 1, a piston 903 is arranged in the bobbin 901, a connecting rod 904 is fixed on one side outer wall of the piston 903, the connecting rod 904 penetrates through the outside of the bobbin 901, a first spring 905 is sleeved on the outer wall of one end of the connecting rod 904 positioned in the bobbin 901, a mounting shaft 906 is fixed on the bottom inner wall of the electric cabinet 8, the top end of the mounting shaft 906 is connected with a conductive turnover plate 907 in a rotating way, one end of the connecting rod 904 is fixedly connected with the outer wall of the end part of the turnover plate 907, one end of the conductive turnover plate is connected with a power wire 908, through holes 909 are arranged on the two side inner walls of the electric cabinet 8, guide rods 910 are inserted in the inside the through holes, a limiting block 911 is fixed at one end of the guide rod 910, a contact 912 is fixed at the other end of the guide rod 910, a second spring 913 is sleeved on the outer wall of the guide rod 910 on one side of the contact 912, a conductive ring 914 is arranged on the outer wall between the contacts 912, one end of a conductive turnover plate 907 is fixed with one side outer wall of the conductive ring 914, a conductive branch line 915 is connected on one side outer wall of the limiting block 911, a first energizing valve 916 is installed at the end of a natural gas pump delivery pipe 2 and a second gas delivery branch pipe 6, an electrical input end of the first energizing valve 916 is connected with the conductive branch line 915 on one side, an electrical input end of the heavy oil pump delivery pipe 1 and an end of the first gas delivery branch pipe 5 are installed with the second energizing valve 917, an electrical input end of the second energizing valve 917 is connected with the conductive branch line 915 on the other side, in the combustion process of heavy oil and oxygen, the heavy oil is delivered in the heavy oil pump delivery pipe 1, 93% concentration oxygen is pumped in the oxygen pump delivery pipe 3, heavy oil with pressure is pumped into the bobbin 901 by the heavy oil pump delivery pipe 1 through the pressure pipe 902, the piston 903 is pushed to move in the bobbin 901 under the pressure of the heavy oil, so that the connecting rod 904 is pushed out to drive the conductive turnover plate 907 to turn around the installation shaft 906, the first spring 905 is compressed in the process, the conductive ring 914 at the turnover end of the conductive turnover plate 907 contacts with the contact 912 at one side, so that the power line 908 is electrified with the conductive branch 915 at the other side, the second electrifying valve 917 on the heavy oil pump delivery pipe 1 and the first gas delivery branch pipe 5 is controlled to be in an open state, the combustion of heavy oil and oxygen modes is carried out, the heavy oil pump delivery pipe 1 is stopped in the combustion mode when the combustion mode is switched, the pressure in the heavy oil pump delivery pipe 1 and the pressure pipe 902 is reduced, the piston 903 and the connecting rod 904 are driven to reset under the reset action of the first spring 905, the conductive ring 914 at the end is contacted with the contact 912 at the other side, the power line 908 is electrified with the conductive branch 915 at the other side, the natural gas delivery pipe 2 and the first gas delivery valve 6 is controlled to be automatically opened, and the combustion of the oxygen and the oxygen modes is completed.
In this embodiment, referring to fig. 1, 5 and 6, the electromagnetic valve 10 and the pressure sensor 11 are installed on the inner walls of the ends of the heavy oil pump delivery pipe 1, the natural gas pump delivery pipe 2 and the oxygen pump delivery pipe 3, the oxygen amount detection sensor 12 is installed on the inner wall of the end of the oxygen pump delivery pipe 3, the circuit board 13 is installed on the bottom inner wall of the electric cabinet 8, the PLC controller 14 and the power module 15 are installed on the top outer wall of the circuit board 13, the data monitoring unit 16, the data analysis unit 17 and the data abnormality alarm unit 18 are installed on the top outer wall of the circuit board 13, the data transmission module 19 and the oil gas pump delivery regulation module 20 are installed on the top outer wall of the circuit board 13, the mobile terminal 21 is arranged on the outside of the electric cabinet 8, in the fuel and oxygen pump delivery combustion process, the pressure sensor 11 can be used for detecting the flow rate of the heavy oil pump delivery pipe 1, the natural gas pump delivery pipe 2 and the oxygen pump delivery pipe 3, the data is transferred through the data monitoring unit 16 and analyzed through the data analysis unit 17, the data transmission alarm unit 18 is carried out under the action of the data abnormality alarm unit 18, the data transmission module 19 can be used for remote control of the combustion of the kiln, the remote control of the kiln can be realized, the remote control of the fuel and the oxygen pump delivery can be realized, the remote control of the kiln can be realized, the remote control of the fuel and the kiln can be carried out, and the remote control the fuel and the remote control of the fuel delivery system can realize, and the remote control of the fuel delivery can realize the remote control, and the control of the fuel delivery and the remote control, the control and the control system can realize the remote control, and the remote control, the control and the control.
Further, the mobile terminal 21 is one or more of a mobile phone, an iPad and a computer, so that intelligent adjustment of combustion in the kiln is facilitated.
Further, the middle part of the oxygen injection pipe 710 is connected with a spiral heat absorption pipe 22 in a penetrating way, the spiral heat absorption pipe 22 is sleeved on the outer walls of the end parts of the heavy oil pump delivery pipe 1 and the natural gas pump delivery pipe 2, and the oxygen and fuel pumped by the pump have little temperature difference due to heat radiation of the spiral heat absorption pipe 22 in the injection process of the oxygen injection pipe 710, so that the combustion safety is ensured, the temperature difference between the oxygen and the fuel is overlarge, and the problems of easy explosion and the like are solved.
Further, a bearing is installed at the rotation joint of the driving shaft 705 and the natural gas pump transmission pipe 2, and shaft seals are installed at two ends of the bearing, so that stable rotation of the driving shaft 705 is facilitated.
Further, the conductive overturning plate 907, the conductive ring 914, the contact 912, the guide rod 910 and the limiting block 911 are all conductive structures, which is beneficial to the switching of the combustion modes.
Furthermore, the end parts of the heavy oil pump delivery pipe 1, the natural gas pump delivery pipe 2 and the oxygen pump delivery pipe 3 are respectively provided with a connecting flange, so that the external fuel and oxygen can be pumped.
Working principle: when the kiln combustion system is used, heavy oil is pumped through the heavy oil pump conveying pipe 1, natural gas is pumped through the natural gas pump conveying pipe 2, 93% concentration oxygen is pumped through the oxygen pump conveying pipe 3, the heavy oil is mixed with heavy oil through the high concentration oxygen pump conveying pipe 1 and is pumped into a kiln for combustion, the natural gas and the natural gas are pumped into the natural gas pump conveying pipe 2 and are pumped into the kiln for combustion, so that pure oxygen combustion technology consisting of oxygen and fuel is combusted in glass, ceramic, nonferrous smelting and other melting kilns, a conventional combustion mode consisting of air and fuel is replaced, and the combustion efficiency of the kiln is greatly improved; in the pumping process of heavy oil and oxygen or natural gas and oxygen, the motor 709 can be controlled to work to drive the driving shaft 705 to rotate, so that the second turbine 708 is driven to rotate in the turbine pump 707, the speed of oxygen pumping in the first gas conveying branch pipe 5 or the second gas conveying branch pipe 6 is increased under the centrifugal effect, oxygen is pumped and input into the fuel pump conveying pipe through the oxygen injection pipe 710 to be fully mixed with the heavy oil or the natural gas, in the process, the driving shaft 705 drives the second bevel gear 706 to rotate, the driving shaft 702 is driven to rotate under the matched transmission of the second bevel gear 706 and the first bevel gear 704, so that the heavy oil pump conveying pipe 1 or the first turbine 703 in the natural gas pump conveying pipe 2 is driven to rotate, the pumping speed of the heavy oil or the natural gas in the pump conveying pipe is synchronously increased, the synchronous pressurization of fuel and oxygen in the combustion process of the heavy oil and the natural gas is realized, the balance of the fuel and the oxygen is ensured, the combustion size in the kiln is effectively realized, and the synchronous conveying is also the fuel and the oxygen can be fully mixed, and the combustion efficiency is improved; in the combustion process of heavy oil and oxygen, the heavy oil is pumped in the heavy oil pump delivery pipe 1, 93% concentration oxygen is pumped in the oxygen pump delivery pipe 3, heavy oil with pressure is pumped in the heavy oil pump delivery pipe 1 and enters the bobbin 901 through the pressure-through pipe 902, the piston 903 is pushed to move in the bobbin 901 under the pressure of the heavy oil, so that the connecting rod 904 is pushed out, the conductive overturning plate 907 is driven to overturn around the installation shaft 906, the first spring 905 is compressed in the process, the conductive ring 914 at the overturning end part of the conductive overturning plate 907 is contacted with the contact 912 at one side, so that the power line 908 is electrified with the conductive branch line 915 at one side, the second electrifying valve 917 on the heavy oil pump delivery pipe 1 and the first electrifying branch pipe 5 is controlled to be in an open state, the combustion of the heavy oil and the oxygen modes is carried out, the pump delivery of the heavy oil is stopped in the heavy oil pump delivery pipe 1 when the combustion mode is switched, so that the pressure in the heavy oil pump delivery pipe 1 and the pressure-through pipe 902 is reduced, the piston 903 and the connecting rod 904 are driven to reset under the reset action of the first spring 905, so as to drive the conductive overturning plate 907 to overturn around the mounting shaft 906, so that the conductive ring 914 at the end part is contacted with the contact 912 at the other side, and the power line 908 is electrified with the conductive branch 915 at the other side, so that the first electrified valves 916 on the natural gas pump delivery pipe 2 and the second gas delivery branch pipe 6 are controlled to be opened, the pumping of natural gas and oxygen is realized, the automatic switching of the natural gas and oxygen combustion modes is completed, the pressure sensor 11 can be used for detecting the pressure flow rate in the heavy oil pump delivery pipe 1, the natural gas pump delivery pipe 2 and the oxygen pump delivery pipe 3 in the pumping combustion process of the fuel and the oxygen, the detected data are transferred through the data monitoring unit 16 and analyzed through the data analysis unit 17, the data abnormality alarm unit 18 is used for alarming when the pressure abnormality in the pump delivery pipe is found, the detection data and the alarm signal can be remotely transmitted under the data transmission module 19, a user can remotely acquire the detection data through the mobile terminal 21, remote monitoring of the combustion state in the kiln is achieved, the user can control the electromagnetic valve 10 on the pump conveying pipe through the mobile terminal 21 and the oil gas pump conveying adjusting module 20, and the adjustment of the flow of heavy oil or natural gas and oxygen can be achieved, so that remote adjustment of the combustion mode and the combustion size in the kiln is achieved.
The embodiments of the present invention are disclosed as preferred embodiments, but not limited thereto, and those skilled in the art will readily appreciate from the foregoing description that various extensions and modifications can be made without departing from the spirit of the present invention.
Claims (7)
1. The utility model provides an oil gas dual-purpose total oxygen kiln combustion system, includes heavy oil pump delivery pipe (1), natural gas pump delivery pipe (2) and oxygen pump delivery pipe (3), its characterized in that, the end connection of oxygen pump delivery pipe (3) has three-way connection (4), the both ends of three-way connection (4) are connected with first gas delivery branch pipe (5) and second gas delivery branch pipe (6) respectively, all be provided with linkage pressurization subassembly (7) between first gas delivery branch pipe (5) and heavy oil pump delivery pipe (1) and second gas delivery branch pipe (6) and natural gas pump delivery pipe (2), the middle part of heavy oil pump delivery pipe (1) and natural gas pump delivery pipe (2) is provided with electric cabinet (8), be provided with oil gas combustion switching assembly (9) on the inner wall of one side of electric cabinet (8); the linkage pressurizing assembly (7) comprises a strip plate (701) fixed inside the heavy oil pump conveying pipe (1) and the natural gas pump conveying pipe (2), a transmission shaft (702) is rotatably arranged on the outer wall of the middle part of the strip plate (701), a first turbine (703) is arranged at the end part of the transmission shaft (702), a first bevel gear (704) is fixed at the other end of the transmission shaft (702), a driving shaft (705) is rotatably arranged on the inner wall of one side of the heavy oil pump conveying pipe (1) and the natural gas pump conveying pipe (2), a second bevel gear (706) is fixed at the bottom end of the driving shaft (705), a turbine pump (707) is fixed on the outer wall of one side of the heavy oil pump conveying pipe (1) and the natural gas pump conveying pipe (2), a second turbine (708) is fixed on the outer wall of one end of the driving shaft (705) penetrating through the inside the turbine pump (707), a motor (709) is arranged on the outer wall of the top of the driving shaft (707), the bottom end of the motor (709) is fixed with the top end of the driving shaft (705), a second bevel gear (706) is rotatably arranged on the inner wall of the heavy oil pump conveying pipe, a motor (1) and the inner wall of the natural gas pump conveying pipe (2), the motor (7) is connected with the oxygen conveying pipe (707) through the oxygen conveying pipe (707), one end of the oxygen injection pipe (710) is communicated with the ends of the heavy oil pump conveying pipe (1) and the natural gas pump conveying pipe (2) respectively; the oil-gas combustion switching assembly (9) comprises a bobbin (901) inlaid and fixed on one side inner wall of the electric cabinet (8), the end part of the bobbin (901) is connected with a pressure-through pipe (902) in a penetrating way, one end of the pressure-through pipe (902) penetrates through the inside of the heavy oil pump delivery pipe (1), a piston (903) is arranged in the bobbin (901), a connecting rod (904) is fixed on one side outer wall of the piston (903), the connecting rod (904) penetrates through the outside of the bobbin (901), a first spring (905) is sleeved on the outer wall of one end of the connecting rod (904) positioned in the bobbin (901), a mounting shaft (906) is fixed on the inner wall of the bottom of the electric cabinet (8), the top end of the mounting shaft (906) is connected with a conductive turnover plate (907) in a rotating way, one end of the connecting rod (904) is fixedly connected with the outer wall of the end part of the turnover plate (907), through holes (904) are formed in the inner walls of two sides of the electric cabinet (8), the inner walls of the through holes (904) penetrate through the outside of the bobbin (901), a limiting block (909), one end (910) of the other end (910) is fixed by the limiting block (910), the utility model discloses a heavy oil pump, including heavy oil pump, guide arm (910), pilot arm, stopper (911), first switch-on valve (916) are installed to the cover on the outer wall that guide arm (910) is located contact (912) one side, be provided with conducting ring (914) on the outer wall between contact (912), one end of conducting plate (907) is fixed with one side outer wall of conducting ring (914), be connected with electrically conductive branch line (915) on one side outer wall of stopper (911), first switch-on valve (916) are installed to the tip of natural gas pump transmission pipe (2) and second gas transmission branch pipe (6), the electrical input end and one side electrically conductive branch line (915) of first switch-on valve (916) are connected, second switch-on valve (917) are installed to the tip of heavy oil pump transmission pipe (1) and first gas transmission branch pipe (5).
2. The oil and gas dual-purpose oxy-fuel kiln combustion system as claimed in claim 1, wherein: the heavy oil pump pipeline (1), the natural gas pump pipeline (2) and all install solenoid valve (10) and pressure sensor (11) on the tip inner wall of oxygen pump pipeline (3), install oxygen volume detection sensor (12) on the tip inner wall of oxygen pump pipeline (3), install circuit board (13) on the bottom inner wall of electric cabinet (8), install PLC controller (14) and power module (15) on the top outer wall of circuit board (13), install data monitoring unit (16), data analysis unit (17) and data abnormality alarm unit (18) on the top outer wall of circuit board (13), install data transmission module (19) and oil gas pump regulation module (20) on the top outer wall of circuit board (13), the outside of electric cabinet (8) is provided with mobile terminal (21).
3. The oil and gas dual-purpose oxy-fuel kiln combustion system as claimed in claim 2, wherein: the mobile terminal (21) is one or more of a mobile phone, an iPad and a computer.
4. The oil and gas dual-purpose oxy-fuel kiln combustion system as claimed in claim 1, wherein: the middle part of the oxygen injection pipe (710) is connected with a spiral heat absorption pipe (22) in a penetrating way, and the spiral heat absorption pipe (22) is sleeved on the outer walls of the end parts of the heavy oil pump conveying pipe (1) and the natural gas pump conveying pipe (2).
5. The oil and gas dual-purpose oxy-fuel kiln combustion system as claimed in claim 1, wherein: and bearings are arranged at the rotary connection parts of the driving shaft (705) and the natural gas pump transmission pipe (2), and shaft seals are arranged at two ends of the bearings.
6. The oil and gas dual-purpose oxy-fuel kiln combustion system as claimed in claim 1, wherein: the conductive overturning plate (907), the conductive ring (914), the contact (912), the guide rod (910) and the limiting block (911) are all conductive structures.
7. The oil and gas dual-purpose oxy-fuel kiln combustion system as claimed in claim 1, wherein: connecting flanges are arranged at the end parts of the heavy oil pump conveying pipe (1), the natural gas pump conveying pipe (2) and the oxygen pump conveying pipe (3).
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| CN202211402731.XA CN115839492B (en) | 2022-11-09 | 2022-11-09 | Oil-gas dual-purpose oxy-fuel kiln combustion system |
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