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CN-122006349-A - Filter equipment for ultra-clean emission of flue gas

CN122006349ACN 122006349 ACN122006349 ACN 122006349ACN-122006349-A

Abstract

The invention discloses a filter device for ultra-clean emission of flue gas, which relates to the technical field of flue gas filtration and comprises an upper box body and a lower box body which are arranged on a bag-type dust collector, wherein the upper box body is communicated with a clean gas outlet, the lower box body is communicated with a dust gas inlet and an ash bucket, a flower plate is arranged in the upper box body, a plurality of mounting holes are formed in the flower plate, and a circular ring is arranged in the mounting holes. This kind of filter equipment for ultra-clean emission of flue gas when filtering, can make filter bag frame and filter bag carry out reciprocating motion and reciprocal rotation, can make the filter bag atress even, surface air current distributes more balanced, effectively avoid local deposition, scour wear and paste the bag phenomenon, simultaneously, can strengthen the effect that drops of filter bag surface dust, guarantee filterable efficiency and effect, and, after the blowback deashing, can promote the dust of below blowback downwards and fall into the ash bucket, the dust after the reduction blowback adheres to on the filter bag again, guarantee the effect of blowback, and then guarantee follow-up filterable efficiency and effect.

Inventors

  • LI LIANYOU
  • WU WEI
  • CHENG JUN
  • Xiao Yinzhuo
  • ZHANG YU
  • PAN DINGAN
  • CHEN JIAN
  • LI DONGQIN
  • SUN CONGLIN
  • JIANG MINGZHI
  • ZHANG LEI
  • Leng Yunbin
  • YU XUEHUI
  • FU GEN
  • HE GUOJUN

Assignees

  • 江西大唐国际新余第二发电有限责任公司

Dates

Publication Date
20260512
Application Date
20260330

Claims (10)

  1. 1. The utility model provides a filter equipment for ultra-clean emission of flue gas, includes last box (101) and lower box (102) that set up on the sack cleaner, go up box (101) intercommunication has net gas outlet (105), and lower box (102) intercommunication has dirt gas entry (104) and ash bucket (103), be provided with colored board (106) in going up box (101), and offered a plurality of mounting holes (107) on colored board (106), be provided with ring (108) in mounting hole (107), and the bottom fixedly connected with filter bag frame (109) of ring (108), the lateral wall of filter bag frame (109) is provided with the filter bag, and is provided with jetting module (110) in going up box (101), its characterized in that, the rotation of ring (108) is driven through drive assembly, and the inner wall fixedly connected with annular board (11) of going up box (101), colored board (106) are through mobile mechanism sliding connection at the top of annular board (11) and through the lifting mechanism (12) of hollow board (12) are passed through in the bottom of being provided with in the bottom of round board (106) and being provided with lifting mechanism (12), and an annular air bag (14) is fixedly inserted in the through hole (13), and the annular air bag (14) is communicated with the inside of the lifting plate (12) through a runner.
  2. 2. The filter device for ultra-clean exhaust of flue gas according to claim 1, wherein the moving mechanism comprises a first stop block (301) fixedly connected to the top of the flower plate (106), the top of the annular plate (11) is connected with a cam (302) through a driving mechanism, the cam (302) can slide on the side wall of the first stop block (301), and a reset mechanism is arranged between the flower plate (106) and the annular plate (11).
  3. 3. The filter device for ultra-clean emission of flue gas according to claim 1, wherein the reset mechanism comprises a first fixing block (201) fixedly connected to the top of the annular plate (11), the side wall of the first fixing block (201) is connected with a first connecting block (203) through a first spring telescopic rod (202), and the first connecting block (203) is fixed to the top of the flower plate (106).
  4. 4. The device for ultra-clean exhaust of flue gas of claim 3, wherein the driving mechanism comprises a bracket (401) fixedly connected to the top of the annular plate (11), the top of the bracket (401) is fixedly connected with a first motor (402), the output end of the first motor (402) is fixedly connected with a driving shaft (403), and the cam (302) is fixedly sleeved on the side wall of the driving shaft (403).
  5. 5. The device for ultra-clean exhaust of flue gas of claim 1, wherein the driving assembly comprises a driving ring (501) fixedly connected to the top of the circular ring (108), the top of the annular plate (11) is connected with an extrusion plate (502) through a resetting assembly, anti-skidding lines (503) are formed on the side wall of the extrusion plate (502), and the driving ring (501) can roll on the side wall of the extrusion plate (502).
  6. 6. The filter device for ultra-clean exhaust of flue gas of claim 5, wherein the reset assembly comprises a second fixing block (603) fixedly connected to the top of the annular plate (11), the side wall of the second fixing block (603) is connected with a second connecting block (601) through a second spring telescopic rod (602), and the second connecting block (601) is fixed to the top of the extrusion plate (502).
  7. 7. The filter device for ultra-clean emission of flue gas of claim 1, wherein the lifting mechanism comprises two groups of symmetrically arranged fixing rods (801) fixedly connected to the bottom of the pattern plate (106), the number of the fixing rods (801) in each group is two, the lifting plate (12) is sleeved on the side wall of the fixing rod (801), the lower end of the fixing rod (801) is fixedly connected with a second stop block (802), the top of the pattern plate (106) is fixedly connected with a third fixing block (803), the side wall of the third fixing block (803) is fixedly connected with a second motor (804), the output end of the second motor (804) is fixedly connected with a rotating shaft (805), a winding roller (806) is fixedly sleeved on the side wall of the rotating shaft (805), a pull rope (807) is wound on the winding roller, and the lower end of the pull rope (807) is fixed with the top of the lifting plate (12).
  8. 8. The filter device for ultra-clean emission of flue gas of claim 1, wherein an inflating mechanism for inflating the annular air bag (14) is arranged at the bottom of the lifting plate (12), the inflating mechanism comprises an air storage cover (901) fixedly connected to the bottom of the lifting plate (12), the air storage cover (901) is communicated with the inside of the lifting plate (12) through a communicating pipe (902), the annular air bag (14) is communicated with the inside of the lifting plate (12) through an air passage, the top of the air storage cover (901) is fixedly connected with a mounting block (904), the side wall of the mounting block (904) is fixedly connected with an electromagnet (906), the side wall of the mounting block (904) is connected with a piston plate (903) through a third spring telescopic rod (905), the side wall of the piston plate (903) is fixedly connected with an iron block (907), and the bottom of the lifting plate (12) is provided with a plurality of cleaning mechanisms for cleaning a cloth bag.
  9. 9. The device of claim 8, wherein the cleaning mechanism comprises a plurality of fixing rings (701) fixedly connected to the bottom of the lifting plate (12), and a plurality of brushes (702) are fixedly connected to the inner side walls of the fixing rings (701).
  10. 10. The filter device for ultra-clean emission of flue gas of claim 7, wherein the top of ash bucket (103) is provided with vibration mechanism, vibration mechanism includes backup pad (1001) at ash bucket (103) top, and the bottom of backup pad (1001) is connected with elevating block (1003) through fourth spring telescopic link (1002), the bottom of elevating block (1003) is connected with a plurality of heads (1005) through fifth spring telescopic link (1004), and the lateral wall fixedly connected with link (1006) of elevating block (1003), the lateral wall fixedly connected with of link (1006) promotes piece (1007), the bottom fixedly connected with of second dog (802) a plurality of trapezoidal pieces (1008), and promotes piece (1007) lateral wall slip at trapezoidal piece (1008).

Description

Filter equipment for ultra-clean emission of flue gas Technical Field The invention relates to the technical field of flue gas filtration, in particular to a filter device for ultra-clean discharge of flue gas. Background The bag-type dust collector is used as core equipment for industrial flue gas dust removal, belongs to a filtering device for ultra-clean discharge of flue gas, is widely applied to industries such as electric power, metallurgy, chemical industry and the like, is used for advanced environmental protection industry, can reduce atmospheric pollution, and when in use, dust-containing gas enters a box body, large-particle dust falls into a dust hopper due to gravity, air flows through a filter bag, dust is intercepted on the outer surface of the filter bag, and clean gas enters a clean gas chamber through a filter material and is discharged. The pressure difference of the system is gradually increased along with the thickening of the dust layer, when the pressure difference reaches a set value, the ash removing system is started (the main flow is pulse blowing, mechanical vibration, reverse blowing and the like) and compressed air is instantaneously blown to make the filter bag violently vibrate, the dust layer falls into an ash bucket, and then is discharged by an ash conveying device, and the filter bag recovers the filtering capability. The pattern plate of the conventional bag-type dust collector is rigidly fixed, dust is easy to attach to a filter bag during filtering, meanwhile, the problem of local abrasion and damage caused by uneven air flow distribution on the surface of the filter bag is solved, the filtering efficiency is reduced, the running resistance and the energy consumption are increased, the service life of the filter bag is shortened, the filtering efficiency and the filtering effect are influenced, and the fallen dust is easy to attach to the surface of the filter bag under the driving of air flow after ash removal, so that the filtering efficiency and the filtering effect are also influenced. Therefore, we propose a filter device for ultra-clean emission of flue gas. Disclosure of Invention The invention aims to provide a filter device for ultra-clean discharge of flue gas, which aims to solve the problems in the background technology. The filter device for ultra-clean exhaust of the flue gas comprises an upper box body and a lower box body which are arranged on a bag-type dust remover, wherein the upper box body is communicated with a clean gas outlet, the lower box body is communicated with a dust gas inlet and an ash bucket, a flower plate is arranged in the upper box body, a plurality of mounting holes are formed in the flower plate, a circular ring is arranged in the mounting holes, the bottom of the circular ring is fixedly connected with a filter bag frame, filter bags are arranged on the side wall of the filter bag frame, a blowing module is arranged in the upper box body, the circular ring is rotationally connected with the mounting holes, the rotation of the circular ring is driven by a driving assembly, the inner wall of the upper box body is fixedly connected with an annular plate, the flower plate is slidably connected to the top of the annular plate through a moving mechanism, the flower plate is moved by the moving mechanism, the bottom of the flower plate is connected with a lifting plate which is arranged in a hollow mode through a lifting mechanism, a plurality of through holes are formed in the bottom of the lifting plate, the through holes are fixedly inserted into the through holes, and the annular flow passage is communicated with an air bag. Preferably, the moving mechanism comprises a first stop block fixedly connected to the top of the flower plate, the top of the annular plate is connected with a cam through a driving mechanism, the cam can slide on the side wall of the first stop block, and a reset mechanism is arranged between the flower plate and the annular plate. Through adopting above-mentioned technical scheme, drive the cam through actuating mechanism and rotate, when the pointed end of cam offsets with the lateral wall of first dog, can promote the card and remove to the direction of keeping away from the support, when the pointed end of cam passes over the lateral wall of first dog, the card can remove under reset mechanism's effect and reset, so reciprocating, can make the card carry out reciprocating motion. Preferably, the reset mechanism comprises a first fixing block fixedly connected to the top of the annular plate, a first connecting block is connected to the side wall of the first fixing block through a first spring telescopic rod, and the first connecting block is fixed to the top of the annular plate. By adopting the technical scheme, the guide and reset functions are realized on the movement of the flower plate. Preferably, the driving mechanism comprises a bracket fixedly connected to the top of the annular plate, the top of