CN203315954U - Granular layer dust collector in wood industry - Google Patents

Granular layer dust collector in wood industry Download PDF

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Publication number
CN203315954U
CN203315954U CN201320323268XU CN201320323268U CN203315954U CN 203315954 U CN203315954 U CN 203315954U CN 201320323268X U CN201320323268X U CN 201320323268XU CN 201320323268 U CN201320323268 U CN 201320323268U CN 203315954 U CN203315954 U CN 203315954U
Authority
CN
China
Prior art keywords
dust
screen cloth
granular layer
ash bucket
gas port
Prior art date
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
CN201320323268XU
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Chinese (zh)
Inventor
那斌
王腾宇
周捍东
黄景菲
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Nanjing Forestry University
Original Assignee
Nanjing Forestry University
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 Nanjing Forestry University filed Critical Nanjing Forestry University
Priority to CN201320323268XU priority Critical patent/CN203315954U/en
Application granted granted Critical
Publication of CN203315954U publication Critical patent/CN203315954U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a granular layer dust collector in the wood industry. The dust collector is characterized in that a dust hopper 2 is arranged at the bottom end of the dust collector; a dust outlet 1 is formed under the dust hopper 2; a lower sieve 3 is arranged above the dust hopper 2; the lower sieve 3 is connected to a granular layer 4 upwards; a settling chamber 5 is arranged at the right of the granular layer 4, an upper sieve 6 is arranged above the granular layer 4, and an exhaust pipe 7 is arranged at the left of the granular layer; an air inlet 8 is formed in the top of the dust collector. The granular layer dust collector has the advantages that (1) tiny quartz granules are adopted as a filter material, and are wide in source and low in price; (2) the upper sieve is arranged on the filter material layer to prevent the filter material from being taken away in back flushing and dust cleaning; (3) a cylinder valve is arranged horizontally to avoid dust accumulating on the valve block; (4) a star-shaped valve is arranged under the dust hopper, so that dust can be cleaned regularly; (5) the inverted conical dust hopper is inclined at 65 degrees, so that dust can slide down smoothly; (6) the dust collector is simple in structure, convenient to maintain, low in cost and high in dust removing efficiency, and can effectively reduce the dust pollution in the wood manufacture enterprises.

Description

The timber industry gravel bed filter
Technical field
The utility model designs a kind of timber industry gravel bed filter, is used for processing the flue gas that dust that wood processing enterprise produces and wood processing enterprise boiler plant are discharged, and belongs to timber processing cleaner field.
Background technology
The development of China's timber industry is started in last century five, the sixties, has experienced from the middle and later periods of the eighties and has started the complete production line of Introduced From Abroad successively.Rapidly, the dust pollution that can thereupon bring is also serious all the more in China's timber industry development at present.This has become the key factor of restriction China timber industry development to a certain extent, therefore also more and more causes people's attention.The cleaner efficiency of dust collection used at present is lower, and sordid dust, discharged to atmosphere, causes environmental pollution.
Summary of the invention
The utility model proposes a kind of timber industry gravel bed filter, be used for processing the flue gas that dust that wood processing enterprise produces and wood processing enterprise boiler plant are discharged, its purpose is intended to the discharge capacity of wooden dust is reduced to the standard of environmental emission.
The utility model technical solution: it is characterized in that comprising ash discharging hole, ash bucket, lower screen cloth, stratum granulosum, expansion chamber, upper screen cloth, blast pipe, air inlet, blowback gas port, pure qi (oxygen) mouth, cylinder valve, dividing plate; Wherein ash bucket is arranged on the deduster bottom, ash discharging hole is located at the below of ash bucket, and the top of ash bucket is lower screen cloth, and lower screen cloth upwards connects stratum granulosum, stratum granulosum is right-hand is that expansion chamber, top are upper screen cloth, left is blast pipe, and air inlet is located at and is arranged on dust remover roof.
Advantage of the present utility model: 1) adopt small quartz particles as filtrate, source is wide and price comparison is cheap; 2) be provided with upper screen cloth above filter material layer, filtrate is taken out of when preventing reverse gas cleaning; 3) cylinder valve employing level is installed, in order to avoid the valve seat laying dust; 4) Starlike valve is equipped with in the ash bucket below, can regularly carry out ash discharge.
The accompanying drawing explanation
Accompanying drawing 1 is the front view of timber industry gravel bed filter.
Accompanying drawing 2 is left views of timber industry gravel bed filter.
Accompanying drawing 3 is top views of timber industry gravel bed filter.
Accompanying drawing 4 is the I-I cutaway views in Fig. 1.
Accompanying drawing 5 is schematic diagrames of the cylinder valve of timber industry gravel bed filter.
Accompanying drawing 6 is lower screen cloth schematic diagrames of timber industry gravel bed filter.
Accompanying drawing 7 is upper screen cloth schematic diagrames of timber industry gravel bed filter.
Accompanying drawing 8 is ash bucket profiles of timber industry gravel bed filter.
Accompanying drawing 9 is Starlike valve schematic diagrames of timber industry gravel bed filter.
In figure 1 is ash discharging hole, the 2nd, ash bucket, the 3rd, lower screen cloth, the 4th, stratum granulosum, the 5th, expansion chamber, the 6th, upper screen cloth, the 7th, air inlet, the 8th, blowback gas port, the 9th, pure qi (oxygen) mouth, the 10th, cylinder valve, the 11st, dividing plate.
The specific embodiment
Contrast accompanying drawing 1-3, its structure comprises ash discharging hole 1, ash bucket 2, lower screen cloth 3, stratum granulosum 4, expansion chamber 5, upper screen cloth 6, blast pipe 7, air inlet 8, blowback air port 9, pure qi (oxygen) mouth 10, cylinder valve 11, dividing plate 12; Wherein ash bucket 2 is arranged on the deduster bottom, and ash discharging hole 1 is located at the below of ash bucket 2, and the upper left side of ash bucket 2 is lower screen cloths 3, lower screen cloth 3 upwards connects stratum granulosum 4, stratum granulosum 4 is right-hand, and for expansion chamber 5, top are upper screen cloth 6, upper screen cloth 6 lefts are exhaust outlet 7, and air inlet 8 is arranged on dust remover roof.
Described ash discharging hole 1 arranges Starlike valve, and the inclination angle of ash bucket 2 is 65 °, and the aperture of filter screen of lower screen cloth 3 is 1mm, and stratum granulosum 4 is the wood particle particle, and the percent opening of upper screen cloth 6 is larger, and cylinder valve 10 employing levels are installed.
Contrast accompanying drawing 4, the gravel bed filter internal structure comprises blowback gas port 9, pure qi (oxygen) mouth 10, cylinder valve 11, dividing plate 12, wherein pure qi (oxygen) mouth 10 is respectively blowback gas port 9 up and down, wherein go up blowback gas port 9 and meet the A filter chamber, lower blowback gas port 9 meets the B filter chamber, cylinder valve 11 is installed on one side of blowback gas port 9, is dividing plate 12 between A filter chamber, B filter chamber.
Described filter chamber divides 2 groups, and 9 layers every group, totally 18 layers, every interlamellar spacing 0.5m, filter area 1m 2, filtrate adopts small quartz particles, the thick 120mm of filtering layer; Housing adopts the 6mm steel plate, and interlayer adopts flange bolt.Deashing adopts the back-blowing mode, and the back-blowing gas port is by the cylinder valve gate control, and cylinder employing level is installed, in order to avoid the valve seat deposition, and be fixed on the back-blowing gas port; The lower screen cloth percent opening is 8%, and upper screen cloth 6 is not in order to increase resistance, and percent opening is larger, takes filtrate while being mainly used in preventing back-blowing out of; Ash bucket 2 is arranged on the deduster bottom, selects inverted conical, and 65 °, ash bucket inclination angle, be beneficial to sliding smoothly of dust; The ash bucket below arranges Starlike valve, can regularly carry out deashing.
During work, dusty gas is entered by air inlet 8, thick dirt sedimentation in expansion chamber 5.Dustshot enters atmosphere through filtering layer 4. gas purifications by blast pipe 7 from top to down through upper screen cloth 6, during deashing, open the side opening in blowback air port 9 by valve 11, the blowback air-flow from bottom to top enters stratum granulosum 4 through lower screen cloth 3, make stratum granulosum be the fluidisation state, particle acutely seethes up and down, rubbing mutually between particle, while making to filter, be deposited on dust in stratum granulosum by the blowback air-flow take expansion chamber 5 to, thick dirt enters ash bucket 2 in this sedimentation, remaining dust enters other stratum granulosums with air-flow and purifies.
Contrast accompanying drawing 5, blowback air port valve is the cylinder valve, cylinder employing level is installed, in order to avoid the valve seat laying dust, cylinder diameter is 80mm, stroke 300mm.
Contrast accompanying drawing 6, the lower screen cloth percent opening is 8%, aperture is 1mm, its effect not only can be used to support filtrate, when air-flow passes through sieve plate, a part of dynamic pressure changes into static pressure, and the blowback air-flow is uniformly distributed on whole section, form one deck " air cushion " uniformly on sieve plate, to cause initial boiling condition preferably simultaneously.
Contrast accompanying drawing 7, the upper screen cloth aperture is 1mm, percent opening is larger, prevents when effect is anti-blow cleaning dust that filtrate from being taken out of.
Contrast accompanying drawing 8, ash bucket is inverted conical, and material is angle steel, and inclination angle is 65 °.
Contrast accompanying drawing 9, the effect of Starlike valve is regularly to carry out the ash discharge processing, prevents that dust from overstocking too much or overlong time and be difficult for discharging.

Claims (5)

1. the timber industry gravel bed filter, is characterized in that comprising ash discharging hole, ash bucket, lower screen cloth, stratum granulosum, expansion chamber, upper screen cloth, blast pipe, air inlet, blowback gas port, pure qi (oxygen) mouth, cylinder valve, dividing plate; Wherein ash bucket is arranged on the deduster bottom, ash discharging hole is located at the below of ash bucket, and the top of ash bucket is lower screen cloth, and lower screen cloth upwards connects stratum granulosum, stratum granulosum is right-hand is that expansion chamber, top are upper screen cloth, left is blast pipe, and air inlet is located at and is arranged on dust remover roof.
2. timber industry gravel bed filter according to claim 1, is characterized in that described ash discharging hole arranges Starlike valve, and ash bucket is selected inverted conical, 65 °, ash bucket inclination angle, the aperture of filter screen of lower screen cloth is 1mm, and stratum granulosum is quartz particles, and cylinder valve level is installed.
3. timber industry gravel bed filter according to claim 1, it is characterized in that described gravel bed filter internal structure comprises blowback gas port, pure qi (oxygen) mouth, cylinder valve, dividing plate, wherein the pure qi (oxygen) mouth is respectively the blowback gas port up and down, wherein go up the blowback gas port and meet the A filter chamber, lower blowback gas port meets the B filter chamber, the cylinder valve is installed on the blowback gas port, is dividing plate between A filter chamber, B filter chamber.
4. timber industry gravel bed filter according to claim 3, is characterized in that described filter chamber divides 2 groups, 9 layers every group, and totally 18 layers, every interlamellar spacing 0.5m, interlayer adopts flange bolt to join, filter area 1m 2, the thick 120mm of filtering layer; Steel plate shell body thickness 6mm.
5. timber industry gravel bed filter according to claim 1, is characterized in that described lower screen cloth percent opening is 8%, and aperture is 1mm, and the upper screen cloth aperture is 1mm.
CN201320323268XU 2013-06-06 2013-06-06 Granular layer dust collector in wood industry Expired - Fee Related CN203315954U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320323268XU CN203315954U (en) 2013-06-06 2013-06-06 Granular layer dust collector in wood industry

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320323268XU CN203315954U (en) 2013-06-06 2013-06-06 Granular layer dust collector in wood industry

Publications (1)

Publication Number Publication Date
CN203315954U true CN203315954U (en) 2013-12-04

Family

ID=49655356

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201320323268XU Expired - Fee Related CN203315954U (en) 2013-06-06 2013-06-06 Granular layer dust collector in wood industry

Country Status (1)

Country Link
CN (1) CN203315954U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104740969A (en) * 2015-03-24 2015-07-01 山东神华山大能源环境有限公司 Boiling type granular layer filter dust separator
CN106139799A (en) * 2016-08-02 2016-11-23 宁波大学 A kind of grain bed cleaner unit
CN106268100A (en) * 2016-08-12 2017-01-04 山东神华山大能源环境有限公司 A kind of improvement type gravel bed filter
CN107552239A (en) * 2017-08-24 2018-01-09 无锡龙盈环保科技有限公司 A kind of electrostatic particle layer deduster

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104740969A (en) * 2015-03-24 2015-07-01 山东神华山大能源环境有限公司 Boiling type granular layer filter dust separator
CN106139799A (en) * 2016-08-02 2016-11-23 宁波大学 A kind of grain bed cleaner unit
CN106268100A (en) * 2016-08-12 2017-01-04 山东神华山大能源环境有限公司 A kind of improvement type gravel bed filter
CN107552239A (en) * 2017-08-24 2018-01-09 无锡龙盈环保科技有限公司 A kind of electrostatic particle layer deduster

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Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20131204

Termination date: 20140606