CN212017101U - Dust-proof device for tail flue ash bucket of circulating fluidized bed boiler - Google Patents

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

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Publication number
CN212017101U
CN212017101U CN202020510015.3U CN202020510015U CN212017101U CN 212017101 U CN212017101 U CN 212017101U CN 202020510015 U CN202020510015 U CN 202020510015U CN 212017101 U CN212017101 U CN 212017101U
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China
Prior art keywords
fixedly connected
barrel
fluidized bed
dust
circulating fluidized
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CN202020510015.3U
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Chinese (zh)
Inventor
韩强
袁高亮
赵建
刘玉东
赵学涛
李海涛
刘珊
英晓文
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Linyi City Yangguang Heating Power Co ltd
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Linyi City Yangguang Heating Power Co ltd
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Abstract

The utility model relates to a circulating fluidized bed boiler dustproof technical field, especially be circulating fluidized bed boiler afterbody flue ash bucket dust keeper, including supporting seat and base, the supporting seat upper end is fixedly connected with the base, the left side fixedly connected with barrel of base upper end, the barrel left end fixedly connected with advances the mouth, the barrel is inside fixedly connected with and keeps off a class board fixed frame, keep off class board fixed frame lower extreme fixedly connected with and keep off a class board, keep off class board upside and be equipped with the filtration sack, filtration sack upper end and barrel fixed connection, the barrel upper end fixedly connected with toilet, the toilet left end fixedly connected with air outlet; the utility model discloses in, through the air pump that sets up, pulse pneumatic valve, gas distribution pipe, pneumatic broken ware, fixed frame, fender flow board and filtration sack, can prevent that the dust from attaching to the flue inner wall, can avoid appearing gaseous indiscriminate scurrying and lead to clearing up the effect variation simultaneously with entering into the inside gaseous homodisperse of device.

Description

Dust-proof device for tail flue ash bucket of circulating fluidized bed boiler
Technical Field
The utility model relates to a circulating fluidized bed boiler technical field that prevents dust specifically is circulating fluidized bed boiler afterbody flue ash bucket dust keeper.
Background
The circulating fluidized bed boiler adopts a clean coal combustion technology with the highest industrialization degree, adopts fluidized combustion, and has the main structure comprising a combustion chamber and a circulating return furnace, the circulating fluidized bed boiler well solves the basic problems of thermology, mechanics, materials and the like and the engineering problems of expansion, abrasion, over temperature and the like, and becomes a difficult-to-burn solid fuel, such as coal gangue, oil shale, municipal refuse, silt and other waste energy utilization advanced technologies, smoke dust after combustion is discharged from a flue at the tail part, and after the long-time use, dust is easily accumulated in the smoke dust, so that the smoke exhaust effect is poor, and the service performance of the device is influenced.
At present, circulating fluidized bed boiler afterbody flue on the market does not mostly set up special dust keeper, and the dust is gathering under the effect of gravity after filtering and is condensed, falls into the flue ash bucket afterwards, and this kind of setting makes the dust can not in time obtain handling, easily adheres to in the flue inner wall, and the smoke and dust is scattered in the flue at random after getting into the flue, is unfavorable for the processing of smoke and dust, consequently, proposes circulating fluidized bed boiler afterbody flue ash bucket dust keeper to above-mentioned problem.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a circulating fluidized bed boiler afterbody flue ash bucket dust keeper to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
circulating fluidized bed boiler afterbody flue ash bucket dust keeper, including supporting seat and base, supporting seat upper end and base fixed connection, base upper end left side fixedly connected with barrel, barrel left end fixedly connected with advances the mouth of cigarette, the inside fixedly connected with of barrel keeps off and flows the fixed frame of board, keep off and flow the fixed frame lower extreme fixedly connected with of board and keep off and flow the board, it is equipped with the filtration sack to keep off and flow a board upside, filter sack upper end and barrel fixed connection, barrel upper end fixedly connected with toilet, toilet left end fixedly connected with air outlet.
Preferably, the right side of the upper end of the base is fixedly connected with an air pump, the output end of the air pump is fixedly connected with a pulse air valve through a guide pipe, the left end of the pulse air valve is fixedly connected with an air distribution pipe, the lower end of the air distribution pipe is fixedly connected with an air jet, and the outer side of the air distribution pipe is fixedly connected with a clean room.
Preferably, the lower end of the cylinder body is fixedly connected with a dust collecting funnel, the lower end of the dust collecting funnel is fixedly connected with an electromagnetic valve, the lower end of the electromagnetic valve is fixedly connected with a blanking pipe, the outer side of the dust collecting funnel is fixedly connected with a pneumatic arch breaking device, and the input end of the pneumatic arch breaking device is fixedly connected with the output end of the air pump through a guide pipe.
Preferably, the number of the pneumatic arch breakers is 4, and the pneumatic arch breakers are symmetrically distributed on the outer side of the dust collection funnel.
Preferably, the flow baffle is obliquely arranged, and the length of the flow baffle is sequentially increased from left to right.
Compared with the prior art, the beneficial effects of the utility model are that:
1. in the utility model, through the air pump, the pulse air valve, the air distribution pipe and the pneumatic arch breaker, smoke and dust enters the cylinder from the smoke inlet and is discharged from the air outlet of the clean room after being filtered by the filter cloth bag, the air pump can provide compressed air for the device when operating, the pulse air valve conveys the compressed air to the air distribution pipe and sprays the compressed air to the filter cloth bag from the air outlet, thereby shaking the smoke and dust into the dust collecting funnel, the pneumatic arch breaker operates to shake the dust collecting funnel to the bottom of the device, and the dust can be prevented from attaching to the inner wall of the flue by the arrangement;
2. the utility model discloses in, through the fixed frame that sets up, keep off and flow board and filter the sack, the gas that carries the smoke and dust enters into the barrel inside by the mouth of a chimney, gas blows to keeping off and flows the board, it is the slope and arranges to keep off and flow the board, and the length that keeps off and flow the board increases by a left side to the right side in proper order, can be with blowing of gaseous homodisperse to filtering the sack, gas is filtered by filtering the sack again, the smoke and dust is attached to filtering the sack surface, gas is discharged by the air outlet of toilet, this kind of setting can be with entering into the inside gaseous homodisperse of device, avoid appearing gaseous indiscriminate scurrying.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic view of the whole structure of the fixing frame of the present invention;
fig. 3 is a schematic view of the whole structure of the dust collecting funnel of the present invention.
In the figure: 1-supporting seat, 2-base, 3-cylinder, 4-smoke inlet, 5-fixing frame, 6-baffle plate, 7-filtering cloth bag, 8-clean room, 9-air outlet, 10-air pump, 11-pulse air valve, 12-air distribution pipe, 13-air jet, 14-dust collecting funnel, 15-electromagnetic valve, 16-blanking pipe and 17-pneumatic arch breaker.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution:
circulating fluidized bed boiler afterbody flue ash bucket dust keeper, including supporting seat 1 and base 2, 1 upper end of supporting seat and 2 fixed connection of base, 2 upper ends left side fixedly connected with barrels 3 of base, 3 left end fixedly connected with smoke inlets 4 of barrel, 3 inside fixedly connected with of barrel keep off the fixed frame 5 of flowing the board, keep off the fixed frame 5 lower extreme fixedly connected with of flowing the board and keep off and flow board 6, it is equipped with filtration sack 7 to keep off the 6 upside of flowing the board, 7 upper ends of filtration sack and 3 fixed connection of barrel, 3 upper ends fixedly connected with toilet 8 of barrel, 8 left end fixedly connected with air outlet 9 of toilet.
The air pump 10 is fixedly connected to the right side of the upper end of the base 2, the output end of the air pump 10 is fixedly connected with the pulse air valve 11 through a guide pipe, the left end of the pulse air valve 11 is fixedly connected with an air distribution pipe 12, the lower end of the air distribution pipe 12 is fixedly connected with an air jet 13, the outer side of the air distribution pipe 12 is fixedly connected with the clean room 8, the arrangement is favorable for realizing the automatic cleaning of the filter cloth bag 7, the lower end of the barrel 3 is fixedly connected with a dust collection funnel 14, the lower end of the dust collection funnel 14 is fixedly connected with an electromagnetic valve 15, the lower end of the electromagnetic valve 15 is fixedly connected with a blanking pipe 16, the outer side of the dust collection funnel 14 is fixedly connected with a pneumatic arch breaker 17, the input end of the pneumatic arch breaker 17 is fixedly connected with the output end of the air pump 10 through a guide pipe, the number of the pneumatic arch, and the length of the flow baffle 6 is increased from left to right in sequence, and the arrangement is favorable for uniform smoke and dust entering the device.
The working process is as follows: electrical appliances are external power supplies, gas carrying smoke dust enters the barrel 3 from the smoke inlet 4, the gas is blown to the flow baffle 6, the flow baffle 6 is obliquely arranged, the length of the flow baffle 6 is sequentially increased from left to right, the gas can be uniformly dispersed and blown to the filter cloth bag 7, the gas is filtered by the filter cloth bag 7, the smoke dust is attached to the surface of the filter cloth bag 7, the gas is discharged from the air outlet 9 of the clean room 8, the arrangement can uniformly disperse the gas entering the clean room, the cleaning effect is prevented from being deteriorated due to gas mixing, the air pump 10 can provide compressed air for the device when in operation, the pulse air valve 11 conveys the compressed air to the air distribution pipe 12 and sprays the compressed air to the filter cloth bag 7 from the air nozzle 13, so that the smoke dust is shaken down to the dust collecting hopper 14, the pneumatic arch breaker 17 operates to shake the dust collecting hopper 14, and then the dust falls to the bottom of the device, this arrangement prevents dust from adhering to the inner wall of the flue.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. Circulating fluidized bed boiler afterbody flue ash bucket dust keeper, including supporting seat (1) and base (2), its characterized in that: supporting seat (1) upper end and base (2) fixed connection, base (2) upper end left side fixedly connected with barrel (3), barrel (3) left end fixedly connected with advances smoke mouth (4), the inside fixedly connected with of barrel (3) keeps off and flows fixed frame (5) of board, keep off and flow fixed frame (5) lower extreme fixedly connected with of board and keep off and flow board (6), it is equipped with filtration sack (7) to keep off to flow board (6) upside, filter sack (7) upper end and barrel (3) fixed connection, barrel (3) upper end fixedly connected with toilet (8), toilet (8) left end fixedly connected with air outlet (9).
2. The circulating fluidized bed boiler tail flue ash bucket dust keeper of claim 1, characterized by: the air pump is characterized in that an air pump (10) is fixedly connected to the right side of the upper end of the base (2), an output end of the air pump (10) is fixedly connected with a pulse air valve (11) through a guide pipe, a gas distribution pipe (12) is fixedly connected to the left end of the pulse air valve (11), an air jet opening (13) is fixedly connected to the lower end of the gas distribution pipe (12), and the outer side of the gas distribution pipe (12) is fixedly connected with a clean room (8).
3. The circulating fluidized bed boiler tail flue ash bucket dust keeper of claim 1, characterized by: the pneumatic dust collecting device is characterized in that a dust collecting funnel (14) is fixedly connected to the lower end of the barrel body (3), an electromagnetic valve (15) is fixedly connected to the lower end of the dust collecting funnel (14), a blanking pipe (16) is fixedly connected to the lower end of the electromagnetic valve (15), a pneumatic arch breaking device (17) is fixedly connected to the outer side of the dust collecting funnel (14), and the input end of the pneumatic arch breaking device (17) is fixedly connected with the output end of the air pump (10) through a guide pipe.
4. The circulating fluidized bed boiler tail flue ash bucket dust keeper of claim 3, characterized by: the number of the pneumatic arch breakers (17) is 4, and the pneumatic arch breakers (17) are symmetrically distributed on the outer side of the dust collection hopper (14).
5. The circulating fluidized bed boiler tail flue ash bucket dust keeper of claim 1, characterized by: the flow baffle plates (6) are obliquely arranged, and the lengths of the flow baffle plates (6) are sequentially increased from left to right.
CN202020510015.3U 2020-04-09 2020-04-09 Dust-proof device for tail flue ash bucket of circulating fluidized bed boiler Active CN212017101U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020510015.3U CN212017101U (en) 2020-04-09 2020-04-09 Dust-proof device for tail flue ash bucket of circulating fluidized bed boiler

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020510015.3U CN212017101U (en) 2020-04-09 2020-04-09 Dust-proof device for tail flue ash bucket of circulating fluidized bed boiler

Publications (1)

Publication Number Publication Date
CN212017101U true CN212017101U (en) 2020-11-27

Family

ID=73489779

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020510015.3U Active CN212017101U (en) 2020-04-09 2020-04-09 Dust-proof device for tail flue ash bucket of circulating fluidized bed boiler

Country Status (1)

Country Link
CN (1) CN212017101U (en)

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