CN220378376U - Power plant's gas turbine filtration system that admits air - Google Patents
Power plant's gas turbine filtration system that admits air Download PDFInfo
- Publication number
- CN220378376U CN220378376U CN202321008063.2U CN202321008063U CN220378376U CN 220378376 U CN220378376 U CN 220378376U CN 202321008063 U CN202321008063 U CN 202321008063U CN 220378376 U CN220378376 U CN 220378376U
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- Prior art keywords
- filter
- air
- air inlet
- pipeline
- gas turbine
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- 238000001914 filtration Methods 0.000 title claims description 31
- 239000000428 dust Substances 0.000 claims abstract description 37
- 238000004140 cleaning Methods 0.000 claims abstract description 30
- 238000007664 blowing Methods 0.000 claims abstract description 14
- 238000010438 heat treatment Methods 0.000 claims description 5
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 241000238631 Hexapoda Species 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000005611 electricity Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The utility model discloses an air inlet filter system of a gas turbine of a power plant, which comprises a filter shell, wherein the front end and the rear end of the filter shell are respectively provided with an air inlet and an air outlet, a rain cover is arranged at the air inlet, and an insect-proof net, a dust removing device, a filter device and a back-blowing cleaning device are sequentially arranged between the air inlet and the air outlet in the filter shell at intervals; the filter device comprises a supporting plate and a filter cartridge, the filter cartridge is installed and fixed on the supporting plate, a back of the supporting plate is provided with a back blowing cleaning device of the filter cartridge, the back blowing cleaning device comprises an air inlet pipeline, a cleaning nozzle is installed at one end of the air inlet pipeline, which is close to the filter cartridge, the dust removing device comprises a compressed air inlet pipeline and an air outlet pipeline, a dust suction port is formed at one end of the air outlet pipeline, and the transverse compressed air inlet pipeline is communicated with the middle of the transverse air outlet pipeline through an arc pipe. And a back-blowing cleaning device is arranged to blow up dust on the surface of the filter cylinder, and the blown dust is discharged out of the filter shell through a dust removing device.
Description
Technical Field
The utility model belongs to the technical field of power generation equipment, and particularly relates to an air inlet filtering system of a gas turbine of a power plant.
Background
A power plant refers to a power plant that converts some form of primary energy into electrical energy for stationary facilities or transportation, where gas turbines are often used to generate electricity, and the gas turbines need to continuously draw in air from the outside to ensure adequate combustion of fuel and increase the efficiency of power generation.
The function and the function of the gas turbine air inlet filter are to filter dust particles in the air, so that clean air enters the gas turbine from the air inlet system, and the safe and reliable operation of the gas turbine generator set is ensured to generate electricity. If there are larger dust particles in the intake, this can lead to damage to the gas turbine and a reduction in the effective output. Therefore, the air inlet system of the gas turbine is provided with a filtering device, however, dust is accumulated on the filter cylinder which works for a long time, regular cleaning is needed, and the problem of how to quickly and effectively clean the dust on the filter cylinder and collect the dust is needed to be solved.
Disclosure of Invention
In response to the problems noted in the background art, the present utility model provides a power plant gas turbine inlet air filtration system.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a power plant's gas turbine filtration system that admits air, includes filtering shell, filtering shell front end and rear end have air inlet and gas outlet respectively, filtering shell's air intake department sets up rain-proof cover, filtering shell is inside to set up insect-proof net, dust collector, filter equipment, blowback cleaning device between air inlet and the gas outlet in proper order at intervals; the filtering device comprises a supporting plate and a filter cartridge, the filter cartridge is installed and fixed on the supporting plate, a back blowing cleaning device of the filter cartridge is arranged on the back surface of the supporting plate, the back blowing cleaning device comprises an air inlet pipeline, a cleaning nozzle is installed at one end of the air inlet pipeline, which is close to the filter cartridge, and the cleaning nozzle can spray gas to clean dust on the surface of the filter cartridge; the dust removing device comprises a compressed air inlet pipeline and an air outlet pipeline, a dust suction port is arranged at one end of the air outlet pipeline, and the compressed air inlet pipeline is transversely communicated with the middle of the air outlet pipeline through an arc pipe.
Further, the arc on the arc tube is a semicircle, the center line of the arc tube is in tangent relation with the center line of the air outlet pipeline, and the intersecting connection position of the arc tube and the air outlet pipeline is cast, injection molded or welded.
Further, a heating device is arranged between the insect-proof net and the dust removing device.
Further, a cooler, a first dryer and a second dryer are sequentially arranged between the back-blowing cleaning device and the air outlet.
Further, the filter cartridges are respectively positioned on the same horizontal line with the cleaning nozzles, and penetrate through the inner wall of the supporting plate.
The utility model has the technical effects that: the utility model relates to an air inlet filtering system of a gas turbine of a power plant, which is provided with a back-blowing cleaning device of a filter cartridge, so as to clean dust on the surface of the filter cartridge, and the blown dust is discharged out of a filtering shell through a dust removing device, so that the filter cartridge is effectively cleaned.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
in the figure: 1. the filter housing, 11, the air inlet, 12, the air outlet, 2, the rain cover, 3, the insect screen, 4, the dust extraction device, 41, the compressed air inlet line, 42, the air outlet line, 43, the circular arc tube, 44, the dust suction opening, 5, the filter device, 51, the support plate, 52, the filter cartridge, 6, the blowback cleaning device, 61, the air inlet line, 62, the cleaning nozzle, 7, the heating device, 8, the cooler, 9, the first dryer, 10, the second dryer.
Detailed Description
The following description of the embodiments of the present utility model 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 utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1, the present utility model provides the following technical solutions: the utility model provides a power plant's gas turbine filtration system that admits air, includes filter housing 1, filter housing front end and rear end have air inlet 11 and gas outlet 12 respectively, filter housing 1's air inlet 11 department sets up rain-proof cover 2, filter housing 1 is inside to set up fly net 3, dust collector 4, filter device 5, blowback cleaning device 6 in proper order at intervals between air inlet 11 and gas outlet 12; the filtering device 5 comprises a supporting plate 51 and a filtering cylinder 52, the filtering cylinder 52 is fixedly arranged on the supporting plate 51, the back surface of the supporting plate 51 is connected with a back blowing cleaning device 6 of the filtering cylinder, the back blowing cleaning device 6 comprises an air inlet pipeline 61, one end, close to the filtering cylinder, of the air inlet pipeline 61 is provided with a cleaning nozzle 62, and the cleaning nozzle 62 can spray gas to clean dust on the surface of the filtering cylinder 52; the dust removing device 4 comprises a compressed air inlet pipeline 41 and an air outlet pipeline 42, a dust suction port 44 is arranged at one end of the air outlet pipeline 42, the transverse compressed air inlet pipeline 41 is communicated with the middle of the transverse air outlet pipeline 42 through an arc pipe 43, the arc on the arc pipe 43 is a semicircle, the center line of the arc pipe 43 and the center line of the air outlet pipeline 42 are in tangential relation, and the intersecting connection part of the arc pipe 43 and the air outlet pipeline 42 is cast, injection molded or welded. Compressed air enters from the compressed air inlet pipeline 41 and enters the air outlet pipeline through the circular arc pipe 43, but at the moment, negative pressure is formed at one end of the air outlet pipeline, which is provided with the dust suction port, so that dust-containing gas in the filter shell is sucked into the air outlet pipeline, and is guided out of the filter shell through the air outlet pipeline.
Preferably, a heating device 7 is further arranged between the insect-proof net 3 and the dust removing device 4, so as to prevent the water vapor in the air from icing to cover the filter to influence the air intake flow due to cold weather and low air temperature.
Preferably, a cooler 8, a first dryer 9 and a second dryer 10 are sequentially arranged between the back-blowing cleaning device 6 and the air outlet 12, so that water vapor contained in the air is sufficiently removed, and the water vapor is prevented from entering the gas turbine and corroding the blades of the gas turbine.
Specifically, the filter cartridges 52 and the cleaning nozzles 62 are respectively located on the same horizontal line, and the filter cartridges 52 penetrate through the inner wall of the support plate 51, so that air can be ensured to continue moving after being filtered.
The working principle of the utility model is as follows: when the utility model is used, the air inlet of the gas turbine is connected with the air outlet of the air inlet filtering system, the gas turbine is started to inhale, external air enters the air inlet filtering system through the rain cover and the insect-proof net, then the air is filtered through the filter cartridge, and if the air temperature is low, the heating device in front of the filter cartridge can be opened to heat the air first, so that water vapor in the air is prevented from icing to cover the filter cartridge to influence the air inlet flow; after filtration, the air is then passed through a cooler such that the temperature of the air is reduced, the air is then dried by passing through a first dryer and a second dryer, and finally the air enters a gas turbine;
after the filter cylinder is used for a long time, the inside of the filter cylinder is ventilated through the cleaning nozzle, so that dust on the surface of the filter cylinder is separated from the surface, the dust removing device operates at the moment, compressed air enters from the compressed air inlet pipeline and enters the air outlet pipeline through the circular arc pipe, but at the moment, the air outlet pipeline is provided with negative pressure at one end of the dust suction port, so that the gas containing dust in the filter shell is sucked into the air outlet pipeline, and the dust is discharged out of the filter shell through the air outlet pipeline.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a power plant's gas turbine filtration system that admits air, its characterized in that includes filtering shell (1), filtering shell front end and rear end have air inlet (11) and gas outlet (12) respectively, filtering shell's air intake department sets up rain-proof cover (2), filtering shell is inside to set up insect-proof net (3), dust collector (4), filter equipment (5), blowback cleaning device (6) in proper order between air inlet (11) and gas outlet (12); the filtering device (5) comprises a supporting plate (51) and a filter cartridge (52), the filter cartridge (52) is installed and fixed on the supporting plate (51), a back blowing cleaning device (6) of the filter cartridge is arranged on the back surface of the supporting plate (51), the back blowing cleaning device (6) comprises an air inlet pipeline (61), and a cleaning nozzle (62) is installed at one end, close to the filter cartridge (52), of the air inlet pipeline (61); the dust removal device (4) comprises a compressed air inlet pipeline (41) and an air outlet pipeline (42), a dust suction port (44) is arranged at one end of the air outlet pipeline (42), and the compressed air inlet pipeline (41) is transversely communicated with the middle of the air outlet pipeline (42) through an arc pipe (43).
2. The power plant gas turbine inlet air filtering system according to claim 1, wherein the circular arc on the circular arc tube (43) is a semicircular arc, the central line of the circular arc tube (43) is in tangential relation with the central line of the outlet pipeline (42), and the intersecting connection part of the circular arc tube (43) and the outlet pipeline (42) is cast, injection molded or welded.
3. A plant gas turbine inlet air filter system according to claim 1, characterized in that a heating device (7) is further arranged between the insect screen (3) and the dust removal device (4).
4. The power plant gas turbine inlet air filtering system according to claim 1, characterized in that a cooler (8), a first dryer (9) and a second dryer (10) are arranged between the back-blowing cleaning device (6) and the air outlet (12) in sequence.
5. A plant gas turbine inlet air filter system according to claim 1, wherein a plurality of said filter cartridges (52) are respectively positioned on the same level as the cleaning nozzles (62), said filter cartridges (52) penetrating the inner wall of the support plate (51).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202321008063.2U CN220378376U (en) | 2023-04-28 | 2023-04-28 | Power plant's gas turbine filtration system that admits air |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202321008063.2U CN220378376U (en) | 2023-04-28 | 2023-04-28 | Power plant's gas turbine filtration system that admits air |
Publications (1)
Publication Number | Publication Date |
---|---|
CN220378376U true CN220378376U (en) | 2024-01-23 |
Family
ID=89573059
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202321008063.2U Active CN220378376U (en) | 2023-04-28 | 2023-04-28 | Power plant's gas turbine filtration system that admits air |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN220378376U (en) |
-
2023
- 2023-04-28 CN CN202321008063.2U patent/CN220378376U/en active Active
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