CN218249083U

CN218249083U - Dust-proof device for tail flue ash bucket of circulating fluidized bed boiler

Info

Publication number: CN218249083U
Application number: CN202221263446.XU
Authority: CN
Inventors: 岳茂云
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-05-25
Filing date: 2022-05-25
Publication date: 2023-01-10
Anticipated expiration: 2032-05-25

Abstract

The utility model provides a circulating fluidized bed boiler afterbody flue ash bucket dust keeper belongs to dust keeper technical field. The technical scheme is that the device mainly aims at solving the problem that the existing device is poor in using effect, and comprises a mounting plate and a dust removal box, a sealing cover and a dustproof assembly are arranged in a fixed groove on the dust removal box in a penetrating mode, the dustproof assembly comprises a filtering layer and a fixed frame, a motor on the fixed frame is connected with the top end of a screw rod, a movable plate is sleeved outside the screw rod, the movable plate and the screw rod are arranged in the fixed frame in a penetrating mode, a limiting rod is arranged in the movable plate in a penetrating mode, the limiting rod is arranged on a scraping plate, a dust collection assembly is arranged on the bottom surface of the dust removal box, an air inlet pipe and a connecting pipe are arranged on the dust removal box, and the connecting pipe is connected with a cleaning assembly; through the arrangement of the motor, the screw rod, the movable plate, the scraper and the filter layer, the device can better remove dust and has better use effect; through the arrangement of the dust collecting hopper, the fixing pipe, the end cover and the liquid storage box, dust can be conveniently discharged from the device, and the dustproof effect is better.

Description

Dust-proof device for tail flue ash bucket of circulating fluidized bed boiler

Technical Field

The utility model relates to a dust keeper technical field especially relates to boiler afterbody flue ash bucket dust keeper.

Background

The circulating fluidized bed boiler adopts the clean coal combustion technology with the highest industrialization degree. The circulating fluidized bed boiler adopts fluidized combustion, and the main structure comprises a combustion chamber and a circulating furnace. When the coal is burned in the boiler, a large amount of smoke is generated and is discharged out of the boiler through the flue. However, during the process of exhausting the smoke from the flue, the dust in the smoke can be deposited in the flue, which reduces the smoke exhaust efficiency of the flue, and further affects the normal operation of the boiler.

And traditional circulating fluidized bed boiler does not set up special dust keeper usually, and the installation filter layer filters the smoke and dust mostly, avoids the dust deposit, however, uses a period of back, can adhere to a large amount of dusts on the filter layer, influences filterable effect to make the dustproof effect variation of device.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a circulating fluidized bed boiler afterbody flue ash bucket dust keeper to solve the not good problem of current device result of use.

The utility model relates to a circulating fluidized bed boiler afterbody flue ash bucket dust keeper's purpose and efficiency are reached by following concrete technical means:

the utility model provides a circulating fluidized bed boiler afterbody flue ash bucket dust keeper, includes mounting panel and dust removal case, the dust removal case sets up on the mounting panel, the fixed slot has been seted up on the dust removal case, wear to be equipped with sealed lid and dustproof subassembly in the fixed slot respectively, dustproof subassembly includes filter layer and fixed frame, the filter layer is worn to establish in the fixed frame, be provided with the motor on the fixed frame, the motor output end is connected with the lead screw top, the lead screw overcoat is equipped with the movable plate, the movable plate with the lead screw is all worn to establish in the fixed frame, wear to be equipped with the gag lever post in the movable plate, the gag lever post sets up on the scraper blade, the scraper blade with filter layer surface contact, dust removal bottom of the case face is provided with collection dirt subassembly, be provided with intake pipe and connecting pipe on the dust removal case respectively, the connecting pipe with clean the subassembly and be connected.

The above technical solution further comprises: the dust collection assembly comprises a fixed pipe and a dust hopper, the dust hopper is arranged on the bottom surface of the dust removal box, the dust hopper is located below the fixed frame, the dust hopper is arranged in a through groove in a penetrating manner, the through groove is formed in the mounting plate, the fixed pipe is arranged on the bottom surface of the dust hopper, and an end cover is sleeved at the bottom end of the fixed pipe.

The above technical solution further comprises: the cleaning component comprises a liquid storage tank, the liquid storage tank is arranged on the mounting plate, the tail end of the connecting pipe penetrates through the liquid storage tank, and an exhaust pipe is arranged on the top surface of the liquid storage tank.

The above technical solution further comprises: the liquid storage tank is provided with an observation window, a transparent plate penetrates through the observation window, and the liquid storage tank is provided with a liquid feeding pipe and a liquid discharging pipe respectively.

The above technical solution further comprises: the movable plate is provided with an elastic sheet, the elastic sheet is located between the movable plate and the scraper, and the elastic sheet is in surface contact with the scraper.

The above technical solution further comprises: fixing bolt is arranged in the sealing cover in a penetrating mode, the bottom end of the fixing bolt penetrates through the sealing cover to be arranged in the dust removal box in a penetrating mode, and a sealing ring is arranged on the sealing cover.

The above technical solution further comprises: the mounting panel bottom surface is provided with the bracing piece, wear to be equipped with locking bolt in the bracing piece, fixed frame top surface is provided with the handle, fixed frame both sides all are provided with compression spring.

Compared with the prior art, the utility model discloses following beneficial effect has:

firstly, smoke dust enters a dust removal box through an air inlet pipe, when the smoke dust passes through a filter layer, the filter layer intercepts and filters dust in the smoke dust, the dust is stopped on the filter layer, a motor is started, an output end of the motor drives a screw rod to rotate, and a movable plate is driven to move in a fixed frame under the action of threads, so that a scraper plate moves on the surface of the filter layer, the dust on the surface of the filter layer is scraped out, the dust falls into a dust collection assembly, dust collection and collection are carried out, and the phenomenon that the device is blocked due to excessive dust is avoided; through the arrangement of the motor, the screw rod, the movable plate, the scraper and the filter layer, the device can better remove dust, and the using effect is better.

Secondly, when the scraper moves on the filter layer, dust is scraped, falls into the dust hopper under the action of gravity, is stored in a centralized manner through the dust hopper, and is discharged out of the dust hopper through the fixed pipe by opening the end cover at the bottom end of the fixed pipe, so that the device is convenient to use subsequently; the smoke dust filtered by the filter layer enters a liquid storage tank through a connecting pipe, liquid is filled in the liquid storage tank, dust remaining in the smoke dust is cleaned through the liquid, and the cleaned gas is discharged out of the liquid storage tank through an exhaust pipe; through the arrangement of the dust collecting hopper, the fixing pipe, the end cover and the liquid storage box, dust can be conveniently discharged from the device, and the dustproof effect is better.

Drawings

Fig. 1 is an overall view of the dust-proof device for the flue dust hopper at the tail part of the circulating fluidized bed boiler.

Fig. 2 is an exploded view of the dust-proof device for the flue dust hopper at the tail part of the circulating fluidized bed boiler.

Fig. 3 is an enlarged schematic view of the area a in fig. 2.

Fig. 4 is a cross-sectional view of the dust-proof device for the flue dust hopper at the tail part of the circulating fluidized bed boiler.

Fig. 5 is a schematic diagram of a dustproof assembly in the dust-proof device of the tail flue dust hopper of the circulating fluidized bed boiler.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. mounting a plate; 2. a dust removal box; 3. a liquid storage tank; 4. an air inlet pipe; 5. a connecting pipe; 6. an exhaust pipe; 7. a liquid discharge pipe; 8. a support bar; 9. fixing grooves; 10. a seal ring; 11. a sealing cover; 12. fixing the bolt; 13. a handle; 14. a liquid feeding pipe; 15. an observation window; 16. a transparent plate; 17. a filter layer; 18. a fixing frame; 19. a compression spring; 20. a screw rod; 21. an end cap; 22. a through groove; 23. locking the bolt; 24. a fixed tube; 25. a dust collecting hopper; 26. a limiting rod; 27. an elastic sheet; 28. moving the plate; 29. a squeegee; 30. an electric motor.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

Example (b):

as shown in figures 1 to 5:

the utility model provides a circulating fluidized bed boiler afterbody flue ash bucket dust keeper, including mounting panel 1 and dust removal case 2, wear to be equipped with sealed lid 11 and dustproof subassembly in the fixed slot 9 on the dust removal case 2, dustproof subassembly includes filter layer 17 and fixed frame 18, be provided with motor 30 on the fixed frame 18, the motor 30 output passes through the shaft coupling and is connected with the 20 tops of lead screw, the 20 overcoat of lead screw is equipped with movable plate 28, movable plate 28 all wears to establish in fixed frame 18 with lead screw 20, wear to be equipped with gag lever post 26 in the movable plate 28, gag lever post 26 sets up on scraper blade 29, dust removal case 2 bottom surfaces are provided with the collection dirt subassembly, be provided with intake pipe 4 and connecting pipe 5 on the dust removal case 2, connecting pipe 5 is connected with the clean subassembly. The smoke dust enters the dust removing box 2 through the air inlet pipe 4, when the smoke dust passes through the filter layer 17, the filter layer 17 intercepts and filters the dust in the smoke dust, the dust is stopped on the filter layer 17, the motor 30 is started, the output end of the motor drives the screw rod 20 to rotate, the movable plate 28 is driven to move in the fixed frame 18 under the action of the screw thread, so that the scraper 29 moves on the surface of the filter layer 17, the dust on the surface of the filter layer 17 is scraped out, the dust falls into the dust collecting component, dust collecting and collecting processing are carried out, the blockage of the device caused by excessive dust is avoided, the device can conveniently clean the dust, and the using effect of the device is better,

referring to fig. 2 and 4, the dust collecting assembly includes a fixing tube 24 and a dust collecting hopper 25, the dust collecting hopper 25 is disposed on the bottom surface of the dust removing box 2, the dust collecting hopper 25 is inserted into the through groove 22 of the mounting plate 1, the fixing tube 24 is disposed on the bottom surface of the dust collecting hopper 25, and the bottom end of the fixing tube 24 is sleeved with the end cap 21. When the scraper 29 moves on the filter layer 17, the dust is scraped, the dust falls into the dust hopper 25 under the action of gravity, the dust is concentrated and stored through the dust hopper 25, the dust hopper 25 is obliquely arranged, the end cover 21 at the bottom end of the fixed pipe 24 is opened, the dust is discharged out of the dust hopper 25 from the fixed pipe 24, and the dust can be rapidly cleaned by a worker, so that the device is convenient to use subsequently.

Referring to fig. 1, 2 and 4, the cleaning assembly includes a liquid storage tank 3, the liquid storage tank 3 is disposed on the mounting plate 1, the end of the connecting pipe 5 is disposed in the liquid storage tank 3, and an exhaust pipe 6 is disposed on the top surface of the liquid storage tank 3. The smoke and dust filtered by the filter layer 17 enters the liquid storage tank 3 through the connecting pipe 5, liquid is filled in the liquid storage tank 3, residual dust in the smoke and dust is cleaned through the liquid, and cleaned gas is discharged into a flue through the exhaust pipe 6, so that the dust is prevented from being deposited in the flue.

Referring to fig. 1 and 2, an observation window 15 is formed on the liquid storage tank 3, a transparent plate 16 is inserted into the observation window 15, and a liquid feeding pipe 14 and a liquid discharging pipe 7 are respectively arranged on the liquid storage tank 3. Through transparent plate 16 and observation window 15 for the staff can be convenient observe the liquid condition in the liquid reserve tank 3, make the staff can add liquid in the liquid reserve tank 3 to relaxing through liquid feeding pipe 14 and fluid-discharge tube 7, or emit the liquid in the liquid reserve tank 3, labour saving and time saving, convenient and fast.

Referring to fig. 3 and 5, the moving plate 28 is provided with an elastic piece 27, the elastic piece 27 is located between the moving plate 28 and the scraper 29, and the elastic piece 27 is in surface contact with the scraper 29. Under the effect of flexure strip 27, scraper blade 29 removes through gag lever post 26 to laminate all the time on filter layer 17, make the dust removal effect of device better.

Referring to fig. 2, a fixing bolt 12 penetrates through the sealing cover 11, the bottom end of the fixing bolt 12 penetrates through the sealing cover 11 and is arranged in the dust removing box 2, and a sealing ring 10 is arranged on the sealing cover 11. The sealing cover 11 can be firmly fixed at the dust removing box through the fixing bolt 12, and the fixing groove 9 can be opened by taking off the sealing cover 11, so that a worker can conveniently take out the fixing frame 18; the sealing ring 10 can reduce the gap between the dust removing box 2 and the sealing cover 11, and improve the sealing performance of the device.

Referring to fig. 5, the bottom surface of the mounting plate 1 is provided with a support rod 8, a locking bolt 23 penetrates through the support rod 8, the top surface of the fixing frame 18 is provided with a handle 13, and compression springs 19 are arranged on both sides of the fixing frame 18. The device can be supported and fixed through the supporting rod 8, and the locking bolt 23 is screwed, so that the device can be firmly fixed in place, and the displacement of the device is avoided; after the sealing cover 11 is opened, the movable frame 18 is bounced upwards under the action of the compression spring 19, and people who can easily hold the handle 13 lift the fixed frame 2, so that the device is convenient to disassemble and assemble, and parts are replaced.

The specific use mode and function of the embodiment are as follows: the smoke and dust enters into dust removal case 2 through intake pipe 4, when the smoke and dust passes through filter layer 17, filter layer 17 intercepts the dust in the smoke and dust and filters, make the dust stop on filter layer 17, starter motor 30, make its output drive lead screw 20 rotatory, under the effect of screw thread, drive movable plate 28 and remove in fixed frame 18, thereby make scraper blade 29 move on filter layer 17 surface, scrape out the dust on filter layer 17 surface, under the action of gravity, the dust falls into in dust hopper 25, concentrate the storage to the dust through dust hopper 25, dust hopper 25 is for the slope sets up, open the end cover 21 of fixed pipe 24 bottom, make the dust follow outside fixed pipe 24 discharge dust hopper 25, avoid the dust too much, lead to the device jam, make the clearance dust that the device can be convenient, make its result of use better.

Claims

1. The utility model provides a circulating fluidized bed boiler afterbody flue ash bucket dust keeper, includes mounting panel (1) and dust removal case (2), its characterized in that: dust removal case (2) set up on mounting panel (1), fixed slot (9) have been seted up on dust removal case (2), wear to be equipped with sealed lid (11) and dustproof subassembly in fixed slot (9) respectively, dustproof subassembly includes filter layer (17) and fixed frame (18), filter layer (17) are worn to establish in fixed frame (18), be provided with motor (30) on fixed frame (18), motor (30) output is connected on lead screw (20) top, lead screw (20) overcoat is equipped with movable plate (28), movable plate (28) with lead screw (20) are all worn to establish in fixed frame (18), wear to be equipped with gag lever post (26) in movable plate (28), gag lever post (26) set up on scraper blade (29), scraper blade (29) with filter layer (17) surface contact, dust removal case (2) bottom surface is provided with collection dirt subassembly, be provided with intake pipe (4) and connecting pipe (5) on dust removal case (2) respectively, connecting pipe (5) are connected with the washing.

2. The circulating fluidized bed boiler tail flue ash bucket dust keeper of claim 1, characterized by: the dust collection assembly comprises a fixing pipe (24) and a dust hopper (25), the dust hopper (25) is arranged on the bottom surface of the dust removal box (2), the dust hopper (25) is located below the fixing frame (18), the dust hopper (25) is arranged in a through groove (22) in a penetrating manner, the through groove (22) is formed in the mounting plate (1), the fixing pipe (24) is arranged on the bottom surface of the dust hopper (25), and an end cover (21) is sleeved on the bottom end of the fixing pipe (24).

3. The circulating fluidized bed boiler tail flue ash bucket dust keeper of claim 1, characterized by: the cleaning component comprises a liquid storage tank (3), the liquid storage tank (3) is arranged on the mounting plate (1), the tail end of the connecting pipe (5) is arranged in the liquid storage tank (3) in a penetrating mode, and an exhaust pipe (6) is arranged on the top surface of the liquid storage tank (3).

4. The circulating fluidized bed boiler tail flue ash bucket dust keeper of claim 3, characterized by: an observation window (15) is arranged on the liquid storage tank (3), a transparent plate (16) penetrates through the observation window (15), and a liquid adding pipe (14) and a liquid discharging pipe (7) are respectively arranged on the liquid storage tank (3).

5. The circulating fluidized bed boiler tail flue ash bucket dust keeper of claim 1, characterized by: an elastic sheet (27) is arranged on the moving plate (28), the elastic sheet (27) is located between the moving plate (28) and the scraper (29), and the elastic sheet (27) is in surface contact with the scraper (29).

6. The circulating fluidized bed boiler tail flue ash bucket dust keeper of claim 1, characterized by: wear to be equipped with fixing bolt (12) in sealed lid (11), fixing bolt (12) bottom is passed sealed lid (11) are worn to establish in dust removal case (2), be provided with sealing washer (10) on sealed lid (11).

7. The circulating fluidized bed boiler tail flue ash bucket dust keeper of claim 1, characterized by: mounting panel (1) bottom surface is provided with bracing piece (8), wear to be equipped with locking bolt (23) in bracing piece (8), fixed frame (18) top surface is provided with handle (13), fixed frame (18) both sides all are provided with compression spring (19).