CN2868389Y - Dust preseparating anti-dewfall bag-type collector - Google Patents

Dust preseparating anti-dewfall bag-type collector Download PDF

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Publication number
CN2868389Y
CN2868389Y CN 200520078115 CN200520078115U CN2868389Y CN 2868389 Y CN2868389 Y CN 2868389Y CN 200520078115 CN200520078115 CN 200520078115 CN 200520078115 U CN200520078115 U CN 200520078115U CN 2868389 Y CN2868389 Y CN 2868389Y
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CN
China
Prior art keywords
dust
air
casing
face plate
chamber
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN 200520078115
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Chinese (zh)
Inventor
李红兵
Original Assignee
李红兵
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 李红兵 filed Critical 李红兵
Priority to CN 200520078115 priority Critical patent/CN2868389Y/en
Application granted granted Critical
Publication of CN2868389Y publication Critical patent/CN2868389Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses an anti-dew bag type collector with for dust predissociation, including a box body, an ashpit on the bottom of the box. The box body is equipped inside with a dust chamber, an intake chamber, a discharge chamber and a purified gas chamber. The purified gas chamber is arranged at the upper part of the box and is communicated with the discharge chamber by the outlet for the purified gas. The outlet for the purified gas is controlled to open or close by a poppet valve on the top of the box. A pulse valve, a nozzle and an air receiver are arranged on the top of the box. A draft check plate is arranged below one end of the bottom grid. The predissociation device is arranged below the bottom grid, consisting of a grid plate, an equal flow cone and a dust-rejecting cone. The equal flow cone is arranged below the grid plate and the dust-rejecting cone is arranged below the equal flow cone. The collector can depress the loading rate of the bag filter efficiently, reduce the frequency of the pulse dust-removing and raise the dust-removing efficiency.

Description

Dust pre-separation resistive connection reveals sack cleaner
Technical field
The utility model relates to a kind of equipment of removing dust in the ash-laden gas, and especially a kind of dust pre-separation resistive connection reveals sack cleaner.
Background technology
At present, the dedusting of the ash-laden gas of the cement in vertical kiln in cement plant, dryer etc. in the building material industry generally adopts resistive connection to reveal sack cleaner.This class deduster mainly is made up of bottom steel structure, ash bucket, ash-valve, casing, inlet and outlet, upper face plate, filter bag, lower face plate, purification air chamber, deashing device etc.Its operation principle is, dusty gas is entered by air inlet, and when ash flue bucket, the part big dust particle is separated by the inertia force effect in the gas, falls into the ash bucket bottom.Dusty gas enters filter bag in the casing by lower face plate, and gas passes filter bag, and dust is delayed on the inner surface of filter bag.Clean gas enters casing purification air chamber and compiles by discharge pipe and discharge after filter bag filters.Dust in the ash bucket regularly or discharged by ash-valve continuously.Along with constantly carrying out of filter process, the dust lamination on the filter bag inner surface is thick, and the resistance of cleaner rises, and when equipment resistance rose to setting value, deashing device began deashing.Because dusty gas enters deduster when inner from air inlet, move downward with the inclined-plane direct collision on air inlet duct top, and wherein a part of dusty gas no show ash bucket inner conical surface just collides with it and directly enters filter bag by lower face plate.The dust content of the dusty gas of this part is higher, when entering the filter bag filtration, the filter bag rate of load condensate is increased, thereby increases the frequency of pulse dust cleaning, influences the efficiency of dust collection of deduster.
The utility model content
The technical problems to be solved in the utility model provides a kind of dust pre-separation resistive connection and reveals sack cleaner, and this deduster can reduce the filter bag rate of load condensate, reduces the pulse dust cleaning frequency, improve efficiency of dust collection.
The technical scheme that its technical problem that solves the utility model adopts is: comprise casing, ash bucket, ash bucket is arranged on the bottom of casing, be provided with dirt pocket in the casing, inlet air plenum, exhaust air box and purification air chamber, dirt pocket is by upper face plate, filter bag and lower face plate are formed, filter bag is arranged on, between the lower face plate, inlet air plenum is made up of dusty gas import and air inlet duct, exhaust air box is made up of Purge gas exhaust outlet and exhausting duct, purify the top that air chamber is arranged on casing, purify air chamber be provided with clean gas outlet and with exhaust chamber communications and liaison mutually, clean gas outlet is opened or is closed by the lift valve control that is arranged on the casing top, the casing top is provided with pulse valve, jet pipe and air accumulator, jet pipe and pulse valve join, pulse valve and air accumulator link, jet pipe with purify the air chamber connection that communicates, the below that also comprises lower face plate one end is provided with choke plate, the below of lower face plate is provided with pre-separate device, pre-separate device is by air distribution plate, all flow cone and dust-laying taper are formed, and all flow cone is arranged on the below of air distribution plate, dust-laying taper is arranged on the below of equal flow cone.
The beneficial effects of the utility model are that owing to adopt choke plate, dusty gas must pass through the space between limit, choke plate lower end and the ash bucket inner conical surface, thereby has avoided the higher dusty gas of concentration directly to enter filter bag by lower face plate.Owing to below lower face plate, be provided with the dust pre-separate device, dusty gas is before entering filter bag, must be earlier by this device, the collision of the particle of dusty gas and the conical surface of this device, lose kinetic energy and fall in the ash bucket, the dust of dusty gas obtains pre-separation, thereby the dust concentration in the dusty gas is reduced; When the dusty gas that dust concentration is reduced passes through the air distribution plate of dust pre-separate device, dusty gas can evenly enter filter bag on the one hand, Yi Bufen dusty gas collides, loses that kinetic energy drops in the ash bucket, the dust of dusty gas is further separated with air distribution plate on the other hand, and its dust concentration is further reduced.Therefore avoid the higher dusty gas of concentration to enter filter bag, overcome the big phenomenon of filter bag rate of load condensate, thereby reduced the pulse dust cleaning frequency, improved the efficiency of dust collection of deduster.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples.
Fig. 1 is a structural representation of the present utility model.
1. pulse valves among the figure, 2. lift valve, 3. air accumulator, 4. jet pipe, 5. purification air chamber, 6. clean gas outlet, 7. upper face plate, 8. Purge gas exhaust outlet, 9. filter bag, 10. lower face plate, 11. the dusty gas import, 12. choke plates, 13. air distribution plates, 14. equal flow cone, 15. dust-laying tapers, 16. ash buckets, 17. ash-valve, 18. supports, 19. casings.
The specific embodiment
Among Fig. 1, casing 19 is supported by support 18, and the bottom of casing 19 is provided with ash bucket 16, and the below of ash bucket 16 is provided with ash-valve 17.The inside of casing 19 be provided with dirt pocket, inlet air plenum, exhaust air box and purification air chamber 5,, dirt pocket is made of upper face plate 7, filter bag 9 and lower face plate 10, filter bag 9 is arranged between upper face plate 7 and the lower face plate 10.Inlet air plenum is made up of dusty gas import 11 and air inlet duct, and exhaust air box is made up of Purge gas exhaust outlet 8 and exhausting duct.Purify top that air chamber 5 is arranged on casing 19, purify air chamber 5 be provided with clean gas outlet 6 and with exhaust chamber communications and liaison mutually, clean gas outlet 6 is opened or is closed by lift valve 2 controls that are arranged on casing 19 tops, casing 19 tops are provided with pulse valve 1, jet pipe 4 and air accumulator 3, jet pipe 4 joins with pulse valve 1, pulse valve 1 links with air accumulator 3, and jet pipe 4 and purification air chamber 5 be communications and liaison mutually.In order to prevent that dusty gas from just directly not entering filter bag by lower face plate with ash bucket 16 inner conical surfaces collisions, be provided with choke plate 12 at an end of lower face plate 10.When dusty gas entered ash bucket 16, choke plate 12 was forced the inner conical surface collision of dusty gas and ash bucket 16 like this, and the dust granules that loses kinetic energy falls in the ash bucket 16, and the concentration of dusty gas is reduced.In order to make the dust in the dusty gas obtain presorting in advance, its concentration is further reduced, below lower face plate 10, be provided with pre-separate device, pre-separate device is made of air distribution plate 13, equal flow cone 14 and dust-laying taper 15, all flow cone 14 is arranged on the below of air distribution plate 13, dust-laying taper 15 is arranged on the below of equal flow cone 14, and air distribution plate 13 is for evenly being provided with the flat board of some passages; All flow cone 14 is hollow conical surface body, and equal flow cone 14 is provided with a plurality of, generally is provided with 3 at least; Dust-laying taper 15 is a conulite.Dusty gas must be earlier by pre-separate device before entering filter bag, and the equal flow cone 14 of the particle of dusty gas and this device and dust-laying taper 15 collide, lose kinetic energy and fall in the ash bucket 16, and the concentration of dusty gas is further reduced; When the dusty gas that is further reduced passes through the air distribution plate 12 of pre-separate device, on the one hand dusty gas can evenly enter filter bag 9, and Yi Bufen dusty gas and air distribution plate 12 collide, lose kinetic energy and drop to that ash bucket is interior, the concentration of dusty gas obtains another reduction on the other hand.Therefore avoid the higher dusty gas of concentration directly to enter filter bag 9, overcome the big phenomenon of filter bag 9 rate of load condensates, thereby reduced the pulse dust cleaning frequency, improved the efficiency of dust collection of deduster.

Claims (1)

1. a dust pre-separation resistive connection reveals sack cleaner, comprise casing, ash bucket, ash bucket is arranged on the bottom of casing, be provided with dirt pocket in the casing, inlet air plenum, exhaust air box and purification air chamber, dirt pocket is by upper face plate, filter bag and lower face plate are formed, filter bag is arranged on, between the lower face plate, inlet air plenum is made up of dusty gas import and air inlet duct, exhaust air box is made up of Purge gas exhaust outlet and exhausting duct, purify the top that air chamber is arranged on casing, purify air chamber be provided with clean gas outlet and with exhaust chamber communications and liaison mutually, clean gas outlet is opened or is closed by the lift valve control that is arranged on the casing top, the casing top is provided with pulse valve, jet pipe and air accumulator, jet pipe and pulse valve join, pulse valve and air accumulator link, jet pipe with purify the air chamber connection that communicates, it is characterized in that: the below that also comprises described lower face plate one end is provided with choke plate, the below of described lower face plate is provided with pre-separate device, this device is by air distribution plate, all flow cone and dust-laying taper are formed, and all flow cone is arranged on the below of air distribution plate, dust-laying taper is arranged on the below of equal flow cone.
CN 200520078115 2005-12-01 2005-12-01 Dust preseparating anti-dewfall bag-type collector Expired - Fee Related CN2868389Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200520078115 CN2868389Y (en) 2005-12-01 2005-12-01 Dust preseparating anti-dewfall bag-type collector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200520078115 CN2868389Y (en) 2005-12-01 2005-12-01 Dust preseparating anti-dewfall bag-type collector

Publications (1)

Publication Number Publication Date
CN2868389Y true CN2868389Y (en) 2007-02-14

Family

ID=37723319

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 200520078115 Expired - Fee Related CN2868389Y (en) 2005-12-01 2005-12-01 Dust preseparating anti-dewfall bag-type collector

Country Status (1)

Country Link
CN (1) CN2868389Y (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101816863B (en) * 2010-01-25 2011-10-05 江苏新中环保股份有限公司 Hinge-type valve installing structure in bag-type duster
CN101816862B (en) * 2010-01-25 2011-10-05 江苏新中环保股份有限公司 Installation structure of lifting valve in bag type dust collector
CN103007671A (en) * 2013-01-08 2013-04-03 宣恩县宣桃茶叶有限公司 Air chamber type pulse-jet bag dust collector

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101816863B (en) * 2010-01-25 2011-10-05 江苏新中环保股份有限公司 Hinge-type valve installing structure in bag-type duster
CN101816862B (en) * 2010-01-25 2011-10-05 江苏新中环保股份有限公司 Installation structure of lifting valve in bag type dust collector
CN103007671A (en) * 2013-01-08 2013-04-03 宣恩县宣桃茶叶有限公司 Air chamber type pulse-jet bag dust collector

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C14 Grant of patent or utility model
GR01 Patent grant
C19 Lapse of patent right due to non-payment of the annual fee
CF01 Termination of patent right due to non-payment of annual fee