CN221503392U - NOx emission reduction device of gas turbine - Google Patents
NOx emission reduction device of gas turbine Download PDFInfo
- Publication number
- CN221503392U CN221503392U CN202420043892.2U CN202420043892U CN221503392U CN 221503392 U CN221503392 U CN 221503392U CN 202420043892 U CN202420043892 U CN 202420043892U CN 221503392 U CN221503392 U CN 221503392U
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- CN
- China
- Prior art keywords
- gas turbine
- combustion chamber
- gas
- nox
- tail
- Prior art date
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- 230000009467 reduction Effects 0.000 title claims abstract description 13
- 239000007789 gas Substances 0.000 claims abstract description 78
- 238000002485 combustion reaction Methods 0.000 claims abstract description 46
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 16
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 8
- 239000007788 liquid Substances 0.000 claims description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 239000012774 insulation material Substances 0.000 claims description 5
- 239000012528 membrane Substances 0.000 claims description 4
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 2
- 239000011810 insulating material Substances 0.000 claims 1
- 239000000779 smoke Substances 0.000 abstract description 10
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 7
- 239000000428 dust Substances 0.000 abstract description 7
- 239000001301 oxygen Substances 0.000 abstract description 7
- 229910052760 oxygen Inorganic materials 0.000 abstract description 7
- 239000012266 salt solution Substances 0.000 abstract description 6
- 230000036961 partial effect Effects 0.000 abstract description 4
- 239000002912 waste gas Substances 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract 1
- 239000003546 flue gas Substances 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 15
- 230000002829 reductive effect Effects 0.000 description 9
- 239000000243 solution Substances 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000009977 dual effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
Landscapes
- Treating Waste Gases (AREA)
Abstract
The utility model discloses a gas turbine NOX emission reduction device, which comprises a gas turbine and a circulating device arranged on one side of the gas turbine, wherein the tail end of the gas turbine is provided with a tail gas treatment device, a gas compressor is arranged in the gas turbine close to an air inlet, one end of the gas compressor is provided with a combustion chamber connected with the gas compressor, a charging pipe is arranged outside the gas turbine and extends into the combustion chamber, one side of the combustion chamber is provided with a worm wheel, one end, far away from the combustion chamber, of the worm wheel is provided with an exhaust port, and the exhaust port and the tail gas treatment device are arranged on the worm wheel. The beneficial effects are that: utilize waste gas and smoke and dust that the burning produced to form the flue gas circulation, and then reduce the temperature in the combustion chamber and reduce the partial pressure ratio of oxygen in the combustion reaction, and then reduce NOX's production, through the tail gas treatment device who sets up, absorb NOX that exists in the tail gas through the salt solution and pass through pipeline and reservoir tank again and form the circulation, monitor the nitrogen content in the reservoir tank constantly through the sensor.
Description
Technical Field
The utility model relates to the technical field of gas turbines, in particular to a gas turbine NOX emission reduction device.
Background
The Gas Turbine (Gas Turbine) is an internal combustion power machine which uses continuously flowing Gas as working medium to drive the impeller to rotate at high speed, and converts the energy of fuel into useful work, and is a rotary impeller type heat engine.
In use, since a large amount of nitrogen oxide is generated during combustion due to various factors and the nitrogen oxide contains toxicity, the nitrogen oxide is not suitable to be discharged to the atmosphere without any treatment, so that the discharged nitrogen oxide can be absorbed or the content ratio of oxygen is reduced during combustion, and the probability of generating the nitrogen oxide is reduced.
For the problems in the related art, no effective solution has been proposed at present.
Disclosure of utility model
Aiming at the problems in the related art, the utility model provides a NOx emission reduction device of a gas turbine, which aims to overcome the technical problems in the prior art.
For this purpose, the utility model adopts the following specific technical scheme:
The utility model provides a gas turbine NOX emission reduction device, includes the gas turbine and locates circulating device on one side of the gas turbine, the gas turbine tail end is equipped with tail gas treatment device, be close to the air intake in the gas turbine and be equipped with the compressor, the one end of compressor is equipped with the combustion chamber and is connected rather than, the gas turbine is equipped with the filling tube outward and extends to in the combustion chamber, one side of combustion chamber is equipped with the worm wheel, keep away from on the worm wheel the one end of combustion chamber is equipped with the gas vent, the gas vent with tail gas treatment device.
Preferably, the tail gas treatment device comprises a square sleeve ring, a liquid storage tank is arranged at the top end of the square sleeve ring, saline solution is filled in the liquid storage tank, a water outlet is formed in the bottom end of the liquid storage tank, a square frame connected with the water outlet is arranged in the square sleeve ring, semipermeable membranes are arranged at two ends of the square frame, a pipeline is arranged at the bottom end of the square frame and connected with the liquid storage tank, a nitrogen content sensor is arranged in the liquid storage tank, and the nitrogen content sensor is electrically connected with an alarm.
Preferably, the circulating device comprises a circulating box arranged outside the gas turbine, and circulating pipes are arranged at two ends of the circulating box and connected with the combustion chamber.
Preferably, a bin gate is arranged outside the circulation box, interfaces connected with two groups of circulation pipes are arranged on the outer surface of the gas turbine, electric pushing plates are arranged in the two groups of interfaces, and the electric pushing plates are made of heat insulation materials.
Preferably, the outer wall of the combustion chamber is made of heat insulation materials.
The beneficial effects of the utility model are as follows: the waste gas and part of smoke dust after combustion are sucked into the circulation box, and then the waste gas and the smoke dust are discharged into the combustion chamber when the combustion chamber starts to burn, on one hand, the waste gas is mixed with air in the combustion chamber, the content ratio of oxygen is reduced, the partial pressure of oxygen in the reaction process is restrained, the generation of NOX is restrained, meanwhile, the discharged smoke dust can absorb part of heat, the temperature in the combustion chamber is reduced, and the generation of NOX is reduced; meanwhile, the exhaust treatment device can absorb the exhaust NOX through the salt solution, and then the exhaust NOX is discharged into the atmosphere, so that the emission of NOX is reduced; to this end, a dual emission reduction effect is ensured by reducing the yield and the emission.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, 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 utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a transverse cross-sectional view of a gas turbine NOx abatement device in accordance with an embodiment of the present utility model;
FIG. 2 is a schematic diagram of an exhaust treatment device for a NOx abatement device of a gas turbine in accordance with an embodiment of the present utility model;
FIG. 3 is a schematic view of a circulating apparatus for a NOx abatement device of a gas turbine in accordance with an embodiment of the present utility model.
In the figure:
1. A gas turbine; 2. a circulation device; 3. a tail gas treatment device; 4. a compressor; 5. a combustion chamber; 6. a feeding tube; 7. a worm wheel; 8. an exhaust port; 9. a square collar; 10. a liquid storage tank; 11. a square frame; 12. a pipe; 13. a nitrogen content sensor; 14. a circulation box; 15. a circulation pipe; 16. an interface.
Detailed Description
For the purpose of further illustrating the various embodiments, the present utility model provides the accompanying drawings, which are a part of the disclosure of the present utility model, and which are mainly used to illustrate the embodiments and, together with the description, serve to explain the principles of the embodiments, and with reference to these descriptions, one skilled in the art will recognize other possible implementations and advantages of the present utility model, wherein elements are not drawn to scale, and like reference numerals are generally used to designate like elements.
According to an embodiment of the utility model, a gas turbine NOx abatement device is provided.
Embodiment one;
As shown in FIG. 1, the NOx emission reduction device of the gas turbine according to the embodiment of the utility model comprises a gas turbine 1 and a circulating device 2 arranged on one side of the gas turbine 1, wherein the tail end of the gas turbine 1 is provided with a tail gas treatment device 3, a gas compressor 4 is arranged in the gas turbine 1 and close to an air inlet, one end of the gas compressor 4 is provided with a combustion chamber 5 and connected with the combustion chamber, a charging pipe 6 is arranged outside the gas turbine 1 and extends into the combustion chamber 5, one side of the combustion chamber 5 is provided with a worm wheel 7, one end, far away from the combustion chamber 5, of the worm wheel 7 is provided with an exhaust port 8, the exhaust port 8 is in thermal insulation with the tail gas treatment device 3, and the outer wall of the combustion chamber 5 is made of thermal insulation materials.
Embodiment two;
As shown in fig. 2, the tail gas treatment device 3 includes a square collar 9, a liquid storage tank 10 is provided at the top end of the square collar 9, a salt solution is filled in the liquid storage tank 10, a water outlet is provided at the bottom end of the liquid storage tank 10, a square frame 11 connected with the water outlet is provided in the square collar 9, semipermeable membranes are provided at both ends of the square frame 11, a pipeline 12 is provided at the bottom end of the square frame 11 and connected with the liquid storage tank 10, a nitrogen content sensor 13 is provided in the liquid storage tank 10, and the nitrogen content sensor 13 is electrically connected with an alarm.
Embodiment three;
As shown in fig. 3, the circulating device 2 includes a circulating box 14 disposed outside the gas turbine 1, circulating pipes 15 are disposed at two ends of the circulating box 14 and connected to the combustion chamber 5, a bin gate is disposed outside the circulating box 14, interfaces 16 connected to two groups of circulating pipes 15 are disposed on an outer surface of the gas turbine 1, electric pushing plates are disposed in the two groups of interfaces 16, and the electric pushing plates are made of heat insulation materials.
In order to facilitate understanding of the above technical solutions of the present utility model, the following describes in detail the working principle or operation manner of the present utility model in the actual process.
In practice, the sucked air is compressed by the compressor 4 and discharged into the combustion chamber 5, and then combustion-supporting substances are added into the combustion chamber 5 through the feeding pipe 6 to promote the combustion of the compressed air, and then energy is generated to drive the worm wheel 7, the generated tail gas is discharged into the tail gas treatment device 3 through the exhaust port 8, the part of the gas containing NOX is then reacted with the salt solution in the square frame 11 through the semi-permeable membrane to absorb NOX, so that the emission of NOX is reduced, and at the same time, the salt solution is communicated with the liquid storage tank 10 through the pipeline 12 to form a loop; and during combustion, exhaust gas and smoke dust generated in the combustion chamber 5 are extracted through the circulation tank 14 and the circulation pipe 15, and during combustion, the exhaust gas and the smoke dust are continuously added into the combustion chamber 5, so that on one hand, the smoke dust absorbs heat, the reaction temperature is reduced, and on the other hand, the added exhaust gas reduces the partial pressure ratio of oxygen in the combustion chamber 5, thereby inhibiting the generation of NOX and further reducing the generation amount of NOX.
In summary, by means of the above technical solution of the present utility model, by sucking the combusted exhaust gas and part of the smoke into the circulation box 14, and then discharging the part of the exhaust gas and the smoke into the combustion chamber 5 when the combustion chamber 5 starts to combust, on one hand, the exhaust gas is mixed with the air in the combustion chamber 5 to reduce the content ratio of oxygen, so as to inhibit the partial pressure of oxygen in the reaction process and further inhibit the generation of NOX, and meanwhile, the discharged smoke can absorb part of the heat and further reduce the temperature in the combustion chamber 5, so as to reduce the generation of NOX; meanwhile, the exhaust treatment device 3 can absorb the exhaust NOX through the salt solution, and then the exhaust NOX is discharged into the atmosphere, so that the emission of NOX is reduced; to this end, a dual emission reduction effect is ensured by reducing the yield and the emission.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (5)
1. The utility model provides a gas turbine NOX emission reduction device, its characterized in that, include gas turbine (1) and locate circulating device (2) on one side of gas turbine (1), gas turbine (1) tail end is equipped with tail gas treatment device (3), be close to air intake in gas turbine (1) and be equipped with air compressor (4), the one end of air compressor (4) is equipped with combustion chamber (5) rather than being connected, gas turbine (1) are equipped with charging tube (6) and extend to in combustion chamber (5), one side of combustion chamber (5) is equipped with worm wheel (7), keep away from on worm wheel (7) one end of combustion chamber (5) is equipped with gas vent (8), gas vent (8) with tail gas treatment device (3).
2. The gas turbine NOX emission reduction device according to claim 1, wherein the tail gas treatment device (3) comprises a square collar (9), a liquid storage tank (10) is arranged at the top end of the square collar (9), a saline solution is filled in the liquid storage tank (10), a water outlet is formed in the bottom end of the liquid storage tank (10), square frames (11) connected with the water outlet are arranged in the square collar (9), semi-permeable membranes are arranged at two ends of each square frame (11), a pipeline (12) is arranged at the bottom end of each square frame (11) and connected with the liquid storage tank (10), a nitrogen content sensor (13) is arranged in the liquid storage tank (10), and the nitrogen content sensor (13) is electrically connected with an alarm.
3. The gas turbine NOX emission reduction device according to claim 1, wherein the circulating device (2) comprises a circulating box (14) arranged outside the gas turbine (1), and circulating pipes (15) are arranged at two ends of the circulating box (14) and are connected with the combustion chamber (5).
4. A gas turbine NOX emission reduction device according to claim 3, wherein a bin gate is arranged outside the circulation box (14), interfaces (16) connected with two groups of circulation pipes (15) are arranged on the outer surface of the gas turbine (1), electric pushing plates are arranged in the two groups of interfaces (16), and the electric pushing plates are made of heat insulation materials.
5. The NOX abatement device of a gas turbine according to claim 1, wherein the outer wall of the combustion chamber (5) is a heat insulating material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420043892.2U CN221503392U (en) | 2024-01-09 | 2024-01-09 | NOx emission reduction device of gas turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420043892.2U CN221503392U (en) | 2024-01-09 | 2024-01-09 | NOx emission reduction device of gas turbine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221503392U true CN221503392U (en) | 2024-08-09 |
Family
ID=92137356
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420043892.2U Active CN221503392U (en) | 2024-01-09 | 2024-01-09 | NOx emission reduction device of gas turbine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221503392U (en) |
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2024
- 2024-01-09 CN CN202420043892.2U patent/CN221503392U/en active Active
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