CN103706194B - Double-gas-passage negative pressure dust removal and collection apparatus - Google Patents
Double-gas-passage negative pressure dust removal and collection apparatus Download PDFInfo
- Publication number
- CN103706194B CN103706194B CN201210370928.XA CN201210370928A CN103706194B CN 103706194 B CN103706194 B CN 103706194B CN 201210370928 A CN201210370928 A CN 201210370928A CN 103706194 B CN103706194 B CN 103706194B
- Authority
- CN
- China
- Prior art keywords
- air
- filtering material
- air filtering
- gas
- valve
- 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
Links
Abstract
The invention relates to a dust removal apparatus, and concretely relates to a double-gas-passage negative pressure dust removal and collection apparatus. The double-gas-passage negative pressure dust removal and collection apparatus is provided to overcome a discontinuous work defect of present dust removal apparatuses. The dust removal apparatus comprises a centrifuge fan, a gas purifying tank, an aggregate tank, a cone tank, a first air filter material, a second air filter material, a pulse type backflow mechanism, a first valve, a second valve, a feeding port and a discharging port; a separation board is arranged in the gas purifying tank and divides the gas purifying tank into a first gas purifying chamber and a second gas purifying chamber; and a separation board is arranged at the upper portion in the aggregate tank and divides the upper portion in the aggregate tank into a first filter chamber and a second filter chamber, the first air filter material is installed in the first filter chamber, and the second air filter material is installed in the second filter chamber. The dust removal apparatus has the advantages of continuous use, efficient cleaning of filtering apparatuses in the work process, and high work efficiency.
Description
Technical field
The present invention relates to dust arrester, be specifically related to a kind of two gas circuit depression dust-removing dust collect plant.
Background technology
Existing dust arrester only has a Material collecting box for harvesting and filter, in use for some time, will shut down cleaning filter, otherwise filter easily blocks, causes inefficiency, cause the wasting of resources.Although be provided with Fan Chui mechanism in some dust arrester, return blowout pressure-air by timing to filter to clean, but, in dust removal process to filter return blow pressure-air time, because there is pressure differential the both sides of filter, and usually comparatively large by the pressure of the air-flow of this filter, so back-blowing mechanism can not effectively dispel the dust that filter adheres to; Or need regularly to shut down, during shutdown, back-blowing mechanism returns to filter and blows pressure-air, cleaning and filtering device effectively.This just makes existing dust arrester not work continuously, and gives to produce or live and makes troubles.
Summary of the invention
In order to overcome the defect that existing dust arrester can not be worked continuously, the invention provides a kind of two gas circuit depression dust-removing dust collect plant, this device can use continuously, in the course of the work effective cleaning and filtering device, and operating efficiency is high.
In order to achieve the above object, the present invention adopts following technical proposals:
A kind of two gas circuit depression dust-removing dust collect plant, described dust arrester comprises centrifugal blower, Gas-cleaning box, Material collecting box for harvesting, cone case, the first air filtering material, the second air filtering material, pulsed back-blowing mechanism, the first valve, the second valve, charging aperture, discharging opening; Described Gas-cleaning box is arranged on the top of the inside of described Material collecting box for harvesting, is provided with dividing plate in described Gas-cleaning box, and Gas-cleaning box is divided into the first air-purifying chamber and the second air-purifying chamber by described dividing plate; Top in described Material collecting box for harvesting is provided with dividing plate, and the top in Material collecting box for harvesting is divided into the first filter chamber and the second filter chamber by this dividing plate, is provided with the first air filtering material in the first filter chamber, is provided with the second air filtering material in the second filter chamber; Described first air-purifying chamber is connected by the first air filtering material with the first filter chamber, and described second air-purifying chamber is connected by the second air filtering material with the second filter chamber; Described centrifugal blower is connected with the first air-purifying chamber by the first valve, is connected with the second air-purifying chamber by the second valve; Described pulsed back-blowing mechanism is connected with the second air filtering material with the first air filtering material respectively; Described charging aperture is arranged on the side of described Material collecting box for harvesting, is connected with the first filter chamber with the second filter chamber simultaneously; Described cone case is arranged on the below of described Material collecting box for harvesting, and is connected with Material collecting box for harvesting; Described cone lower box part is provided with discharging opening.
Described centrifugal blower is arranged on above Material collecting box for harvesting.
Or described centrifugal blower is arranged on other place, and is connected with Gas-cleaning box by pipeline, arranges the first valve, arrange the second valve with the second air-purifying chamber in the pipeline communicated in the pipeline that described centrifugal blower communicates with the first air-purifying chamber.
The function of air filtering material is dirt separation and gas, comprises material and the device of existing filtered air.The function of Fan Chui mechanism is cleaning air filtering material; Return when blowing institution staff, Compressed Gas is sprayed by the outlet of back-blowing mechanism and enters air filtering material, realizes blowback clearing function.The function of centrifugal blower makes to produce low pressure or negative pressure in air-purifying chamber, and then make to produce pressure differential between air-purifying chamber and filter chamber, makes the air flowing being mixed with dust in Material collecting box for harvesting, by air filtering material, enter air-purifying chamber from bottom to top.Above-mentioned pulsed back-blowing mechanism, according to the time interval of setting, sprays Compressed Gas from top to bottom to the first air filtering material and the second air filtering material simultaneously, carries out blowback clean air filtering material.The above-mentioned air being mixed with dust, is called for short dirt gas.
Described centrifugal blower, the first valve, the first air-purifying chamber, the first air filtering element (cartridge), the first filter chamber form the first gas circuit.Described centrifugal blower, the second valve, the second air-purifying chamber, the second air filtering element (cartridge), the second filter chamber form the second gas circuit.First gas circuit and the second gas circuit are referred to as two gas circuit.Carry out in the process of dedusting operation, during the first gas circuit work, the second gas circuit does not work, and when the second gas circuit work, the first gas circuit does not work.I.e. the first gas circuit and the second gas circuit alternation, can make back-blowing mechanism clean first air filtering element (cartridge) or the second air filtering element (cartridge) efficiently like this.Therefore, this pair of gas circuit depression dust-removing dust collect plant can continuous firing, and does not need to shut down clean air filtering element (cartridge) specially.
During above-mentioned pair of gas circuit depression dust-removing dust collect plant work, described centrifugal blower makes to produce low pressure or negative pressure in Gas-cleaning box, Gas-cleaning box and Material collecting box for harvesting is made to produce pressure differential, thus make the air movement being mixed with dust that enters in Material collecting box for harvesting, air-flow is by air filtering material, and air enters Gas-cleaning box, discharges this dust arrester from the gas outlet of centrifugal blower, dust is then attached on air filtering material or falls into the cone case below Material collecting box for harvesting, assembles or the dust be deposited in cone case is discharged by discharging opening.Described pulsed back-blowing mechanism sprays compressed air to air filtering material back, and dispel the dust be attached on air filtering material, described oppositely referring to is contrary with the direction of the air-flow by air filtering material.The air being mixed with dust is by entering Gas-cleaning box by Material collecting box for harvesting from bottom to up after air filtering material, and the gas from top to down of back-blowing mechanism blows out Compressed Gas to air filtering material.
When the first valve closing, during the second valve open, described centrifugal blower is connected with the second air-purifying chamber, the second air-purifying chamber is made to produce low pressure or negative pressure, make to produce pressure differential between the second air-purifying chamber and the second filter chamber, after dirt gas enters Material collecting box for harvesting from charging aperture, air-flow enters the second filter chamber, flow through air filtering material, gas (such as air) in dirt gas is by the second air filtering material, enter the second air-purifying chamber, and discharge this dust arrester by the gas outlet of centrifugal blower, the dust in dirt gas is attached on the second air filtering material; When described pulsed back-blowing mechanism is blown to the first air filtering material and the second air filtering material, because the two ends of the first air filtering material do not have pressure differential, so back-blowing mechanism can dispel the dust be attached on the first air filtering material efficiently, that is: when the second gas circuit work, back-blowing mechanism can clean the first air filtering material effectively; When the second valve closing, during the first valve open, described centrifugal blower is connected with the first air-purifying chamber, the first air-purifying chamber is made to produce low pressure or negative pressure, make to produce pressure differential between the first air-purifying chamber and the first filter chamber, after dirt gas enters Material collecting box for harvesting from charging aperture, air-flow enters the first filter chamber, gas (air) in air-flow is by the first air filtering material, enter the first air-purifying chamber, afterwards, gas discharges this dust arrester by the gas outlet of centrifugal blower, and the dust in air-flow is attached on the first air filtering material; When described pulsed back-blowing mechanism is blown to the first air filtering material and the second air filtering material, because the two ends of the second air filtering material do not have pressure differential, so back-blowing mechanism can dispel the dust be attached on the second air filtering material efficiently, that is: when the first gas circuit work, back-blowing mechanism can clean the second air filtering material effectively.
Further, described first valve and the second valve are linkage valve, second valve closing when first valve open, first valve closing when second valve open.Further, described first valve and the second valve are Linkage valve plate, and the angle of two valve blocks is 90 °, when one of them valve open, and another valve closing.
Further, the longitudinal section of described cone case is del.The dust being convenient to assemble slides into the bottom of cone case along the sidewall tilted.
Further, described discharging opening is arranged on the bottom of cone case, and described discharging opening is provided with discharge valve.Open discharge valve, dust discharges dust arrester by discharging opening.
Further, described Material collecting box for harvesting is provided with opening, and described opening is provided with door, and seals with sealing strip.Dirt gas can be avoided to spill Material collecting box for harvesting, contaminated environment.Sealing bar can select silica gel sealing bar.After the door of this opening part is opened, can installing/dismounting air filtering material, or other parts in Material collecting box for harvesting are installed or keeped in repair.
Further, described back-blowing mechanism comprises outside feeder, appendix, nozzle; Outside feeder provides compressed air, and compressed air flows through appendix, is sprayed enter air filtering material by nozzle.Described appendix is arranged in Material collecting box for harvesting and Gas-cleaning box, is positioned at the top of the first air filtering material and the second air filtering material.
Further, described back-blowing mechanism is provided with first jet and second nozzle, and described first jet is connected with the first air filtering material, and described second nozzle is connected with the second air filtering material.
Further, described charging aperture is arranged on the top of the sidewall of Material collecting box for harvesting.This is convenient to the sedimentation of dust in dirt gas or is gathered on the filtering material of air filtering material.
Further, described air filtering material comprises filter bag.
Compared with prior art, provided by the invention pair of gas circuit depression dust-removing dust collect plant, can effective cleaning and filtering device in the course of the work, and can use continuously, operating efficiency is high.
Accompanying drawing explanation
Fig. 1 is the front view of provided by the invention pair of gas circuit depression dust-removing dust collect plant;
Fig. 2 is the side view of provided by the invention pair of gas circuit depression dust-removing dust collect plant;
Fig. 3 is the top view of provided by the invention pair of gas circuit depression dust-removing dust collect plant.
Wherein, 1 is centrifugal blower, and 101 is the gas outlet of centrifugal blower, and 2 is Gas-cleaning box, 201 is the first air-purifying chamber, and 202 is the second air-purifying chamber, and 3 is Material collecting box for harvesting, and 301 is the first filter chamber, 302 is the second filter chamber, and 4 is cone case, and 5 is the first air filtering material, 6 is the second air filtering material, and 7 is pulsed back-blowing mechanism, and 8 is the first valve, 9 is the second valve, and 10 is sealing strip, and 11 is discharging opening, 110 is discharge valve, and 12 is opening, and 13 is charging aperture;
Detailed description of the invention
As shown in Figure 1 to Figure 3, provided by the invention pair of gas circuit depression dust-removing dust collect plant, comprises centrifugal blower 1, Gas-cleaning box 2, Material collecting box for harvesting 3, cone case 4, first air filtering material 5, second air filtering material 6, pulsed back-blowing mechanism 7, first valve 8, second valve 9, charging aperture 13, opening 12, discharging opening 11, described Gas-cleaning box 2 is arranged on the top of the inside of described Material collecting box for harvesting 3, dividing plate is provided with in described Gas-cleaning box, Gas-cleaning box 2 is divided into the first air-purifying chamber 201 and the second air-purifying chamber 202 by described dividing plate, top in described Material collecting box for harvesting is provided with dividing plate, top in Material collecting box for harvesting 3 is divided into the first filter chamber 301 and the second filter chamber 302 by this dividing plate, first filter chamber 301 is provided with the first air filtering material 5, second filter chamber 302 is provided with the second air filtering material 6, described first air-purifying chamber 201 is connected by the first air filtering material 5 with the first filter chamber 301, described second air-purifying chamber 202 is connected by the second air filtering material 6 with the second filter chamber 302, described centrifugal blower 1 is connected with the first air-purifying chamber 201 by the first valve 8, described centrifugal blower 1 is connected with the second air-purifying chamber 202 by the second valve 9, described pulsed back-blowing mechanism 7 is connected with the second air filtering material 6 with the first air filtering material 5,
Described back-blowing mechanism comprises outside feeder 701, appendix 702, first jet and second nozzle; Outside feeder 701 provides compressed air, and compressed air flows through appendix 702, is sprayed enter air filtering material by nozzle.
Described appendix 702 is arranged in Material collecting box for harvesting and Gas-cleaning box, is positioned at the top of the first air filtering material 5 and the second air filtering material 6.Described first jet is connected with the first air filtering material, and described second nozzle is connected with the second air filtering material.
Described centrifugal blower 1, can make to produce low pressure or negative pressure in Gas-cleaning box 2, Gas-cleaning box 2 and Material collecting box for harvesting 3 is made to produce pressure differential, thus the dirt air-flow being entered Material collecting box for harvesting by charging aperture 13 is moved, to focus on around air filtering material and to flow through air filtering material, gas (air) in dirt gas is by the first air filtering material 5 and the second air filtering material 6, enter Gas-cleaning box 2, dust arrester is discharged from the gas outlet 101 of centrifugal blower 1, dust is attached on the first air filtering material 5 and the second air filtering material 6, described pulsed back-blowing mechanism 7 is by returning blowing compressed air to the first air filtering material 5 and the second air filtering material 6, dispel the dust be attached on the first air filtering material 5 and the second air filtering material 6,
The part that described centrifugal blower 1 is communicated with the first air-purifying chamber is provided with the first valve 8, the part that described centrifugal blower 1 is communicated with the second air-purifying chamber is provided with the second valve 9, described first valve 8 and the second valve 9 are Linkage valve plate, angle is 90 °, when one of them valve opening, another valve then closes;
When the first valve 8 is opened, second valve 9 is closed, described centrifugal blower 1 makes the first air-purifying chamber 201 produce negative pressure, pressure differential is produced between first air-purifying chamber 201 and the first filter chamber 301, the dirt gas entered in Material collecting box for harvesting enters the first filter chamber 301, gas (air) in dirt gas is by the first air filtering material 5, enter the first air-purifying chamber 201, clean air discharges dust arrester from the gas outlet 101 of centrifugal blower 1, dust is attached on the first air filtering material 5, described pulsed back-blowing mechanism 7 is blown to the first air filtering material 5 and the second air filtering material 6, effectively dispel the dust be attached on the second air filtering material 6.
When the second valve 9 is opened, first valve 8 is closed, described centrifugal blower 1 makes the second air-purifying chamber 202 produce negative pressure, pressure differential is produced between second air-purifying chamber 202 and the second filter chamber 302, the dirt gas entered in Material collecting box for harvesting enters the second filter chamber 302, gas (air) in dirt gas is by the second air filtering material 6, enter the second air-purifying chamber 202, dust arrester is discharged from the gas outlet 101 of centrifugal blower 1, dust is attached on the second air filtering material 6, described pulsed back-blowing mechanism 7 is blown to the first air filtering material 5 and the second air filtering material 6, effectively dispel the dust be attached on the first air filtering material 5.
Described cone case 4 is arranged on the below of described Material collecting box for harvesting 3, and its longitudinal section is del; Discharging opening 11 is also provided with below described cone case 4, discharging opening 11 is provided with discharge valve 110, described Material collecting box for harvesting 3 is provided with charging aperture 13, is the entrance of dirt gas, is also provided with opening 12, described opening 12 is provided with door and utilizes silica gel sealing bar 10 to seal, opening 12 for installing or keep in repair the parts in Material collecting box for harvesting, as installing/dismounting air filtering material, dust arrester work time, this opening 12 is sealings, pollutes to avoid the dust in Material collecting box for harvesting to be leaked in environment.
As shown in Figures 2 and 3, air inlet 13 is arranged on the top of the sidewall of Material collecting box for harvesting 3.
As shown in Figure 1 to Figure 3, described Material collecting box for harvesting 3 is rectangular shape; Described Gas-cleaning box 2 is positioned at the top of Material collecting box for harvesting 3 inside, is less rectangular shape.The outside of Gas-cleaning box 2 is the inner spaces of the Material collecting box for harvesting 3 communicated.Above-mentioned design reduces the space shared by this pair of gas circuit depression dust-removing dust collect plant.
The above, be only preferred embodiment of the present invention, be not intended to limit protection scope of the present invention.Every equalization done according to content of the present invention changes and modifies, and is all encompassed in the scope of the claims of the present invention.
Claims (10)
1. a two gas circuit depression dust-removing dust collect plant, it is characterized in that, described dedusting dust collect plant comprises centrifugal blower, Gas-cleaning box, Material collecting box for harvesting, cone case, the first air filtering material, the second air filtering material, pulsed back-blowing mechanism, first valve, the second valve, charging aperture, discharging opening; Described Gas-cleaning box is arranged on the top of the inside of described Material collecting box for harvesting, is provided with dividing plate in described Gas-cleaning box, and Gas-cleaning box is divided into the first air-purifying chamber and the second air-purifying chamber by described dividing plate; Top in described Material collecting box for harvesting is provided with dividing plate, and the top in Material collecting box for harvesting is divided into the first filter chamber and the second filter chamber by this dividing plate, is provided with the first air filtering material in the first filter chamber, is provided with the second air filtering material in the second filter chamber; Described first air-purifying chamber is connected by the first air filtering material with the first filter chamber, and described second air-purifying chamber is connected by the second air filtering material with the second filter chamber; Described centrifugal blower is connected with the first air-purifying chamber by the first valve, is connected with the second air-purifying chamber by the second valve; Described pulsed back-blowing mechanism is connected with the second air filtering material with the first air filtering material respectively; Described charging aperture is arranged on the sidewall of described Material collecting box for harvesting, and is connected with the second filter chamber with the first filter chamber; Described cone case is arranged on the below of described Material collecting box for harvesting, and is connected with Material collecting box for harvesting; Described cone lower box part is provided with discharging opening;
Described centrifugal blower, the first valve, the first air-purifying chamber, the first air filtering element (cartridge), the first filter chamber form the first gas circuit; Described centrifugal blower, the second valve, the second air-purifying chamber, the second air filtering element (cartridge), the second filter chamber form the second gas circuit; Carry out in the process of dedusting operation, during the first gas circuit work, the second gas circuit does not work, and when the second gas circuit work, the first gas circuit does not work;
When the first valve closing, during the second valve open, described centrifugal blower is connected with the second air-purifying chamber, makes the second air-purifying chamber produce low pressure or negative pressure, make to produce pressure differential between the second air-purifying chamber and the second filter chamber, after dirt gas enters Material collecting box for harvesting from charging aperture, air-flow enters the second filter chamber, flows through air filtering material, gas in dirt gas is by the second air filtering material, enter the second air-purifying chamber, and discharge this dust arrester by the gas outlet of centrifugal blower, the dust in dirt gas is attached on the second air filtering material; When described pulsed back-blowing mechanism is blown to the first air filtering material and the second air filtering material, because the two ends of the first air filtering material do not have pressure differential, so back-blowing mechanism can dispel the dust be attached on the first air filtering material efficiently; When the second valve closing, during the first valve open, described centrifugal blower is connected with the first air-purifying chamber, makes the first air-purifying chamber produce low pressure or negative pressure, make to produce pressure differential between the first air-purifying chamber and the first filter chamber, after dirt gas enters Material collecting box for harvesting from charging aperture, air-flow enters the first filter chamber, and the gas in air-flow is by the first air filtering material, enter the first air-purifying chamber, afterwards, gas discharges this dust arrester by the gas outlet of centrifugal blower, and the dust in air-flow is attached on the first air filtering material; When described pulsed back-blowing mechanism is blown to the first air filtering material and the second air filtering material, because the two ends of the second air filtering material do not have pressure differential, so back-blowing mechanism can dispel the dust be attached on the second air filtering material efficiently.
2. according to claim 1 pair of gas circuit depression dust-removing dust collect plant, is characterized in that, described first valve and the second valve are linkage valve, second valve closing when first valve open, first valve closing when second valve open.
3. according to claim 1 pair of gas circuit depression dust-removing dust collect plant, is characterized in that, described first valve and the second valve are Linkage valve plate, and the angle of two valve blocks is 90 °, when one of them valve open, and another valve closing.
4. according to claim 1 pair of gas circuit depression dust-removing dust collect plant, is characterized in that, the longitudinal section of described cone case is del.
5. according to claim 4 pair of gas circuit depression dust-removing dust collect plant, it is characterized in that, described discharging opening is arranged on the bottom of cone case, and described discharging opening is provided with discharge valve.
6. according to claim 1 pair of gas circuit depression dust-removing dust collect plant, it is characterized in that, described Material collecting box for harvesting is provided with opening, and described opening is provided with door, and seals with sealing strip.
7. according to claim 1 pair of gas circuit depression dust-removing dust collect plant, it is characterized in that, described back-blowing mechanism comprises outside feeder, appendix, nozzle; Outside feeder provides compressed air, and compressed air flows through appendix, is sprayed enter air filtering material by nozzle; Described appendix is arranged in Material collecting box for harvesting and Gas-cleaning box, is positioned at the top of the first air filtering material and the second air filtering material.
8. according to claim 7 pair of gas circuit depression dust-removing dust collect plant, it is characterized in that, described back-blowing mechanism is provided with first jet and second nozzle, and described first jet is connected with the first air filtering material, and described second nozzle is connected with the second air filtering material.
9. according to claim 1 pair of gas circuit depression dust-removing dust collect plant, it is characterized in that, described charging aperture is arranged on the top of the sidewall of Material collecting box for harvesting; Described centrifugal blower is arranged on above Material collecting box for harvesting.
10. according to claim 1 pair of gas circuit depression dust-removing dust collect plant, it is characterized in that, described air filtering material comprises filter bag.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210370928.XA CN103706194B (en) | 2012-09-28 | 2012-09-28 | Double-gas-passage negative pressure dust removal and collection apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210370928.XA CN103706194B (en) | 2012-09-28 | 2012-09-28 | Double-gas-passage negative pressure dust removal and collection apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103706194A CN103706194A (en) | 2014-04-09 |
| CN103706194B true CN103706194B (en) | 2015-07-08 |
Family
ID=50399755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210370928.XA Expired - Fee Related CN103706194B (en) | 2012-09-28 | 2012-09-28 | Double-gas-passage negative pressure dust removal and collection apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103706194B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104034829A (en) * | 2014-05-29 | 2014-09-10 | 大连世有电力科技有限公司 | Gas supply device for transformer oil chromatography on-line monitoring system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0148359A1 (en) * | 1983-11-07 | 1985-07-17 | David Franklin Howeth | Top loading and inverted backflushed air filter systems |
| CN2766933Y (en) * | 2005-01-15 | 2006-03-29 | 王东强 | Compartment positioning circuit pulsation low-pressure reversal blower bag type dust collector |
| CN201586651U (en) * | 2010-01-12 | 2010-09-22 | 北京国药龙立科技有限公司 | Multi-station dust remover |
| CN102397729A (en) * | 2011-12-12 | 2012-04-04 | 中联重科股份有限公司 | Dust removing box and dust removing system with same |
| CN202802999U (en) * | 2012-09-28 | 2013-03-20 | 邢征 | Negative-pressure dust collecting device with double gas paths |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6253720A (en) * | 1985-09-03 | 1987-03-09 | Nippon Kokan Kk <Nkk> | Bag filter |
-
2012
- 2012-09-28 CN CN201210370928.XA patent/CN103706194B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0148359A1 (en) * | 1983-11-07 | 1985-07-17 | David Franklin Howeth | Top loading and inverted backflushed air filter systems |
| CN2766933Y (en) * | 2005-01-15 | 2006-03-29 | 王东强 | Compartment positioning circuit pulsation low-pressure reversal blower bag type dust collector |
| CN201586651U (en) * | 2010-01-12 | 2010-09-22 | 北京国药龙立科技有限公司 | Multi-station dust remover |
| CN102397729A (en) * | 2011-12-12 | 2012-04-04 | 中联重科股份有限公司 | Dust removing box and dust removing system with same |
| CN202802999U (en) * | 2012-09-28 | 2013-03-20 | 邢征 | Negative-pressure dust collecting device with double gas paths |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103706194A (en) | 2014-04-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN214581654U (en) | Indoor air pollution purifier | |
| CN105920945A (en) | Pulse bag type dust collector device | |
| CN104548800A (en) | Industrial dust collector | |
| CN106196123A (en) | A kind of boiler smoke dust pelletizing system | |
| CN204502615U (en) | A kind of deduster fold shape filter bag | |
| CN105727648B (en) | Pulse backblowing deashing device and its gas ejector, filter device | |
| CN202802999U (en) | Negative-pressure dust collecting device with double gas paths | |
| CN103706194B (en) | Double-gas-passage negative pressure dust removal and collection apparatus | |
| CN110152406B (en) | Dust removal purifier | |
| CN205850443U (en) | A kind of point is blown ash-cleaning type dust arrester | |
| KR200400487Y1 (en) | A Dust Collector | |
| CN104785034B (en) | Changeover portion prefabricated work station dust arrester | |
| CN103055621A (en) | Flat cloth bag gas tank pulse type deduster | |
| CN208959515U (en) | A kind of polishing class dust pulse dust collector | |
| CN105013272A (en) | Dust removal equipment for melting furnace | |
| CN102755790B (en) | A kind of ammonium polyorthovanadate powder collector | |
| CN205216427U (en) | Multiple -effect pulse bag dust collector ware | |
| CN206027334U (en) | Improved generation sanding room dust collecting equipment | |
| CN101254383B (en) | Closed type air filtering core cleaning assembly | |
| CN104492217B (en) | A kind of dust arrester | |
| CN202289739U (en) | Air-out dust remover provided with vertical type filter cylinders | |
| CN205032002U (en) | Acetylene gas generator carbide exhaust gas purification system for awning | |
| CN204502632U (en) | Spiral negative pressure dust removing device | |
| CN210814344U (en) | Dust remover | |
| CN109812875B (en) | Replacement recirculation ventilation method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150708 Termination date: 20190928 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |