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CN-122014413-A - Gas turbine air inlet system with air filtering function

CN122014413ACN 122014413 ACN122014413 ACN 122014413ACN-122014413-A

Abstract

The invention belongs to the technical field of gas turbines, and particularly relates to a gas turbine air inlet system with air filtration, which comprises an air inlet main box body, wherein an air inlet pipe is arranged at the upper end of the air inlet main box body and is communicated with a gas turbine compressor, and a cleaning mechanism is arranged at the lower end of the air inlet main box body; the technical scheme is that a main shaft of a gas compressor is utilized to drive a transmission shaft, a transmission bevel gear and a transmission bevel gear are utilized to drive a rotation shaft to rotate, a cleaning scraper continuously clings to a filter core to scrape dust, and meanwhile, a cleaning brush synchronously cleans a connecting frame, an L-shaped air guide plate, a cleaning gap and an annular grid connecting frame are matched, so that impurity is prevented from falling downwards in a fixed direction, the filter core is prevented from being blocked and the dust is prevented from being sucked backwards in a secondary direction from the source, the gas inlet resistance is greatly reduced, and the gas inlet efficiency is ensured.

Inventors

  • WANG WEI
  • Fu Qinxiang
  • WANG YATING

Assignees

  • 江苏华强新能源科技有限公司

Dates

Publication Date
20260512
Application Date
20260318

Claims (10)

  1. 1. The gas turbine air inlet system with the air filtering function comprises an air inlet main box body (1) and is characterized in that an air inlet pipe (2) is arranged at the upper end of the air inlet main box body (1), the air inlet pipe (2) is communicated with a gas turbine compressor, a cleaning mechanism (3) is arranged at the lower end of the air inlet main box body (1), a filter cylinder (11) is fixedly arranged in the air inlet main box body (1), a filter element (12) is fixedly arranged at the inner side of the filter cylinder (11), an anti-blocking mechanism (5) is fixedly arranged at one side of the filter cylinder (11), a clutch mechanism (4) is arranged at the bottom of the inner side of the air inlet main box body (1), and the clutch mechanism (4) is matched with the air inlet pipe (2) and the cleaning mechanism (3); The filter cartridge (11) comprises an air outlet cylinder (111), a middle cylinder (112) and a fixed cylinder (113), wherein the air outlet cylinder (111) and the fixed cylinder (113) are arranged at two ends of the middle cylinder (112), the position of the filter core (12) corresponds to the position of the middle cylinder (112), and a rotating shaft (13) is in running fit with the middle part of the filter cartridge (11); The air inlet pipe (2) comprises a main pipe (21), a fixing frame (22) is fixedly arranged on the inner side of the main pipe (21), a transmission shaft (24) is rotatably arranged on the inner side of the fixing frame (22), one end of the transmission shaft (24) is fixedly connected with a main shaft of a gas turbine compressor, the other end of the transmission shaft (24) is in transmission connection with a rotating shaft (13), and one end of the fixing frame (22) is provided with an air guide fan blade (23); Anti-blocking mechanism (5) are including air guide plate (51), be provided with clearance space (55) between air outlet cylinder (111), intermediate cylinder (112) and fixed cylinder (113), air guide plate (51) are fixed between air outlet cylinder (111), intermediate cylinder (112) and fixed cylinder (113), and air guide plate (51) correspond with the position in clearance space (55), the inboard fixed mounting of air guide plate (51) has link (52), through air guide plate (51) and link (52) fixed connection between air outlet cylinder (111), intermediate cylinder (112) and fixed cylinder (113), the outside fixed mounting of axis of rotation (13) has clearance scraper blade (54), the surface laminating of clearance scraper blade (54) and filter core (12), the one end of clearance scraper blade (54) is located air guide plate (51), and the one end fixed mounting of clearance scraper blade (54) has clearance brush (53).
  2. 2. The gas turbine air intake system with air filtering function according to claim 1, wherein the mounting frame (14) is fixedly arranged on the inner side of the fixed cylinder (113), the lower end of the rotating shaft (13) is in rotating fit with the mounting frame (14), the driving bevel gear (16) is fixedly arranged at the upper end of the rotating shaft (13), the driving bevel gear (17) is fixedly arranged at one end of the driving shaft (24), and the driving bevel gear (17) is in meshed connection with the driving bevel gear (16).
  3. 3. The gas turbine air intake system with air filtration of claim 1, wherein the auxiliary stay plates (56) are fixedly arranged on the inner sides of the middle cylinder (112) and the fixed cylinder (113), the positions of the auxiliary stay plates (56) correspond to the positions of the cleaning clearances (55), and the cleaning scraping plates (54) are arc-shaped.
  4. 4. A gas turbine inlet system with air filtration as claimed in claim 1 wherein said air guide plate (51) is shaped in cross section as an L-shaped structure and said connecting frame (52) is shaped as an annular grid structure.
  5. 5. The gas turbine air intake system with air filtering function according to claim 1, wherein the air intake pipe (2) further comprises an adjusting electric rod (25) and an adjusting hexagonal prism (27), the adjusting hexagonal prism (27) is fixedly arranged at one end of the transmission shaft (24), the adjusting electric rod (25) is fixed at the inner side of the fixing frame (22), an adjusting bevel gear (28) is slidably connected to the outer side of the adjusting hexagonal prism (27), an adjusting rotary table (29) is fixedly arranged at one end of the adjusting electric rod (25), the adjusting rotary table (29) is slidably connected with the fixing frame (22), the adjusting rotary table (29) is rotatably connected with the adjusting bevel gear (28), one end of the air guide fan blade (23) is rotatably connected with the fixing frame (22), an adjusting bevel gear (26) is fixedly arranged at one end of the air guide fan blade (23), and the adjusting bevel gear (26) corresponds to the position of the adjusting bevel gear (28).
  6. 6. The gas turbine air inlet system with air filtering function according to claim 5, wherein an air outlet (15) is formed in one side of the air inlet main box body (1), the position of the main pipe (21) corresponds to the position of the air outlet (15), and the transmission shaft (24) is located on the inner side of the air outlet (15).
  7. 7. The gas turbine air inlet system with air filtering function according to claim 1, wherein the cleaning mechanism (3) comprises a cleaning opening (32) and a cleaning rotary table (35), the cleaning rotary table (35) is rotatably arranged at the upper end of the filter cylinder (11), the cleaning rotary table (35) is in transmission connection with the transmission bevel gear (16) through the clutch mechanism (4), a cleaning connecting rod (34) is fixedly arranged at one side of the cleaning rotary table (35), a cleaning baffle (33) is fixedly arranged at the lower end of the cleaning connecting rod (34), the cleaning opening (32) is opened and closed on the surface of the air inlet main box body (1), and a cleaning pipe (31) is fixedly arranged at the outer side of the air inlet main box body (1) corresponding to the cleaning opening (32).
  8. 8. A gas turbine air intake system with air filtration as claimed in claim 7 wherein a guide frame (36) is fixedly mounted on the inner wall of said main air intake housing (1), and said purge link (34) is slidably mounted inside said guide frame (36).
  9. 9. The gas turbine air intake system with air filtering function according to claim 7, wherein the clutch mechanism (4) comprises a transmission frame (44) and a clutch electric rod (41), the clutch electric rod (41) is fixedly arranged at the top of the inner side of the air intake main box body (1), a clutch bevel gear (42) is rotatably matched with the output end of the clutch electric rod (41), the transmission frame (44) is fixed on the surface of the cleaning turntable (35), a clutch bevel gear ring (43) is fixedly arranged at the inner side of the transmission frame (44), the clutch electric rod (41) is in meshed connection with the clutch bevel gear ring (43) and the transmission bevel gear ring (16), a reversing seat (421) is fixedly arranged at the output end of the clutch electric rod (41), two reversing gears (422) are rotatably matched with the surface of the reversing seat (421), two reversing bevel gears (423) are fixedly arranged on one sides of the two reversing gears (422), and the two reversing bevel gears (423) are respectively meshed with the transmission bevel gear ring (16) and the clutch bevel gear ring (43).
  10. 10. The gas turbine air inlet system with air filtering function according to claim 9, wherein an adjusting plate A (46) is fixedly arranged on the inner side of one end of the air outlet cylinder (111), an air vent A (45) is arranged between the adjusting plates A (46), an adjusting plate B (48) is fixedly arranged on the inner side of the cleaning rotary table (35), an air vent B (47) is arranged between the adjusting plates B (48), and the air vent A (45), the adjusting plates A (46), the air vent B (47) and the adjusting plates B (48) are matched with each other.

Description

Gas turbine air inlet system with air filtering function Technical Field The invention belongs to the technical field of gas turbines, and particularly relates to a gas turbine air inlet system with air filtering. Background The gas turbine air inlet system is a core auxiliary subsystem at the front end of the gas turbine, and is defined as a complete set of equipment and pipeline combination for conveying stable and uniform flow state and parameters to the inlet of the gas compressor after air is sucked from the atmospheric environment and subjected to pretreatment such as purification, rectification, noise reduction and the like, and is a key link for guaranteeing the efficient, safe and long-period operation of the Brayton cycle of the gas turbine. The multistage filtration is rough filtration and fine filtration, and part of the multistage filtration is self-cleaning system to remove dust, salt mist and aerosol, so that abrasion, scaling and corrosion of the compressor blade are avoided. In the existing gas turbine air inlet system with the air filtering device, dust accumulation is easy to occur in each stage of filtering units under the working condition of adopting a multi-stage filtering structure, so that the air inlet resistance is increased, and the air inlet efficiency is reduced. Although the pulse back blowing mode is generally adopted to realize online ash removal, the mode is easy to cause secondary back suction of dust, the ideal ash removal effect is difficult to achieve, meanwhile, the stable operation of the air inlet system is adversely affected, and the air inlet system of the gas turbine with air filtration needs to be designed to solve the problems. Disclosure of Invention The present invention is directed to a gas turbine air intake system with air filtration to solve the above-mentioned problems. The gas turbine air inlet system with the air filtering function comprises an air inlet main box body, wherein an air inlet pipe is arranged at the upper end of the air inlet main box body, the air inlet pipe is communicated with a gas turbine air compressor, a cleaning mechanism is arranged at the lower end of the air inlet main box body, a filter cartridge is fixedly arranged in the air inlet main box body, a filter core is fixedly arranged at the inner side of the filter cartridge, an anti-blocking mechanism is fixedly arranged at one side of the filter cartridge, a clutch mechanism is arranged at the bottom of the inner side of the air inlet main box body, and the clutch mechanism is matched with the air inlet pipe and the cleaning mechanism; the filter cartridge comprises an air outlet cylinder, a middle cylinder and a fixed cylinder, wherein the air outlet cylinder and the fixed cylinder are arranged at two ends of the middle cylinder, the position of the filter core corresponds to that of the middle cylinder, and the middle part of the filter cartridge is in running fit with a rotating shaft; The air inlet pipe comprises a main pipe, a fixing frame is fixedly arranged on the inner side of the main pipe, a transmission shaft is rotatably arranged on the inner side of the fixing frame, one end of the transmission shaft is fixedly connected with a main shaft of a gas turbine compressor, the other end of the transmission shaft is in transmission connection with a rotating shaft, and one end of the fixing frame is provided with an air guide fan blade; The anti-blocking mechanism comprises an air guide plate, a cleaning gap is formed between the air outlet cylinder, the middle cylinder and the fixed cylinder, the air guide plate is fixed between the air outlet cylinder, the middle cylinder and the fixed cylinder, the air guide plate corresponds to the cleaning gap in position, a connecting frame is fixedly arranged on the inner side of the air guide plate, the air outlet cylinder, the middle cylinder and the fixed cylinder are fixedly connected through the air guide plate and the connecting frame, a cleaning scraping plate is fixedly arranged on the outer side of the rotating shaft, the cleaning scraping plate is attached to the surface of the filter core, one end of the cleaning scraping plate is located in the air guide plate, and a cleaning brush is fixedly arranged on one end of the cleaning scraping plate. Preferably, the inside fixed mounting of fixed section of thick bamboo has the mounting bracket, the lower extreme and the mounting bracket normal running fit of axis of rotation, the upper end fixed mounting of axis of rotation has the transmission helical gear, the one end fixed mounting of transmission shaft has the transmission bevel gear, meshing connection between transmission bevel gear and the transmission helical gear. Preferably, the inner sides of the middle cylinder and the fixed cylinder are fixedly provided with auxiliary supporting plates, the positions of the auxiliary supporting plates correspond to the positions of the clearance cleaning scraping plates, and the s