CN102961928A - Bag dust collector for controlling PM2.5 fine particle - Google Patents
Bag dust collector for controlling PM2.5 fine particle Download PDFInfo
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- CN102961928A CN102961928A CN2012104295648A CN201210429564A CN102961928A CN 102961928 A CN102961928 A CN 102961928A CN 2012104295648 A CN2012104295648 A CN 2012104295648A CN 201210429564 A CN201210429564 A CN 201210429564A CN 102961928 A CN102961928 A CN 102961928A
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- bag
- fine particle
- dust collector
- deashing
- sack cleaner
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Abstract
The invention relates to a bag dust collector for controlling PM 2.5 fine particles. The dust collector comprises a bag dust collector body, which is provided with an air inlet connected with an air intake pipe, and an air outlet connected with an air discharge pipe; the lower part of the bag dust collector body is provided with an ash bucket; a filter bag is arranged in the bag dust collector body; the filter bag is correspondingly provided with an ash cleaning device, and coated with a nanometer coating on the surface; cleaning pressure of the ash cleaning device is less than 0.1 MPa; and the air inlet is provided with an electric coagulation device. The bag dust collector provided by the invention can improve interception and filtering to fine particles, especially PM 2.5 with severe harm to environment and human; and through the above technical means, the bag dust collector can guarantee a total emission concentration no more than 10mg / Nm<3>, and filtration efficiency on PM2.5 no less than 99%.
Description
Technical field
The present invention relates to the cleaner field, particularly relate to a kind of exhaust dust device with bag of the PM2.5 of control fine particle.
Background technology
At present, bag type dust removing technology has higher purification efficiency, and correlative study shows that behind the filter bag laying dust, the filter efficiency of PM2.5 fine particle is about 90%, and the deashing behind efficiency drops to 80%.To traditional sack cleaner, solve efficient capture and stable operation or a great problem of PM2.5 fine particle.
The key technology that bag-type dusting captures the PM2.5 fine particle is mainly reflected in the aspects such as innovation that ash-clearing technology, filtering technique and Whole Equipment design.Ash-clearing technology is the key factor of rate of filtration, filtering material, deashing frequency, equipment running resistance, filter efficiency, service life of decision device etc.How to reach the reentrainment of dust and infiltration, the reduction equipment resistance that keep original Chalk-dust filtering layer, reduce the PM2.5 particle, increase the service life be crucial to deashing.Need to carry out the innovation of ash-clearing technology according to characteristics and the operating mode of flue gas, as adjusting deashing dynamics, frequency, efficient blowing device etc.
Bag-type dusting is aspect the filtrate research and development, the Some Domestic business research process for treating surface of filtrate, filtrate film coating technique, water thorn filtering technique etc., make some progress in economy and applicability, but on efficient control PM2.5 fine particle, also need further innovation and exploitation.
Electricity bag composite dedusting research and development aspect, although present existing among a small circle on probation, also there is dispute in its technology, present stage promotes difficult.Electrostatic field in the electricity bag composite dedusting technology is to be worth sure to the charged effect of particle to the effect of the strainability that improves filter bag, and its Synergistic Technology means as sack cleaner are still had certain researching value.
At global design and the manufacture view of sack cleaner, making in site and traditional equipment seal request are difficult to effective control to the PM2.5 fine particle, and the modularization standard design of reply nonstandard product and the whole high leakproofness of equipment are carried out innovative design.Therefore, developing the integral sealing design of new ash-clearing technology, filtrate technology, reunion and bag-type dusting combination technique and equipment, is the development trend of control PM2.5 discharging.
Summary of the invention
The exhaust dust device with bag that the purpose of this invention is to provide a kind of PM2.5 of control fine particle.
For achieving the above object, the technical solution used in the present invention is:
A kind of exhaust dust device with bag of controlling the PM2.5 fine particle, comprise the sack cleaner body, offer the air inlet that connects intake stack, the air outlet that connects wind pipe on the described sack cleaner body, described sack cleaner body bottom is provided with ash bucket, described sack cleaner body interior is provided with filter bag, described filter bag is corresponding is provided with deashing device, and it is characterized in that: the deashing pressure of described deashing device is less than 0.1MPa; The surface of described filter bag is coated with the nano paint layer; Described air inlet place is provided with coagulation and device.
Preferably, described deashing device comprises that a minute gas tank, at least one winding-up supervisor, the described winding-up supervisor that are communicated with minute gas tank comprise the nozzle that one or more height are induced, and described nozzle corresponds to described filter bag.
Preferably, described minute gas tank has the rotation station more than 1, and each station can many filter bags of deashing.
Preferably, gas tank inside was provided with a multistation soot cleaning valve in described minute, the corresponding winding-up supervisor of each station.
Preferably, described coagulation and device comprise corona wire, and the high voltage source that is electrically connected of described corona wire, form high voltage electric field between the corona discharge electrode of described corona wire and the described intake stack inwall.
Preferably, each described parts are the standard modular assembly.
Because technique scheme is used, the present invention compared with prior art has following advantages:
The present invention improves the mode that manufactures and designs of deduster with modular mode, improve deduster quality and device sealing, integrated flexible ash-clearing technology, coagulation and collaborative preconditioning technique and the nano coating synergy filtering technique etc. that are lower than 0.1MPa, improve deduster for fine particulates, especially have interception and filtration than the PM2.5 of major injury for environment and human body, by above-mentioned technological means, can guarantee total concentration of emission≤10mg/Nm3 of deduster, PM2.5 filter efficiency 〉=99%.
Description of drawings
Accompanying drawing 1 is structural representation of the present invention.
Wherein: 1, sack cleaner body; 10, air inlet; 11, air outlet; 12, ash bucket; 2, intake stack; 3, wind pipe; 4, filter bag; 5, deashing device; 6, coagulation and device.
The specific embodiment
The invention will be further described below in conjunction with drawings and Examples:
A kind of exhaust dust device with bag of controlling the PM2.5 fine particle as described in Figure 1, comprise sack cleaner body 1, offer the air inlet 10 that connects intake stack 2, the air outlet 11 that connects wind pipe 3 on the sack cleaner body 1, sack cleaner body 1 bottom is provided with ash bucket 12, sack cleaner body 1 inside is provided with filter bag 4, filter bag 4 correspondences be provided with deashing device 5.Specifically:
The surface of filter bag 4 is coated with the nano paint layer, replace the filtrate film coating technique with novel nano coating technology, in the controlled filter resistance, the energy Effective Raise is to the filter efficiency of PM2.5 and following fine particle, the performance parameters such as the slickness of specific aim raising media filtration face and hydrophobicity, improve the rate of peeling off of dust, and to the applicability of high wet dust.
The deashing pressure of deashing device 5 is less than 0.1MPa, the ultralow pressure deashing, have the advantages such as deashing is even, dynamics is soft, dust is peeled off the rate height, reentrainment of dust is few, can effectively control the dust layer on filter bag surface, help the filtration of fine particle, stablize the resistance drop of deduster, prolonged simultaneously life-span of the filter bag.Deashing device 5 specifically can adopt the ultralow pressure ash-clearing technology, pulse jetting deashing technology or long bag and low pulse bag type dust removing technology, present embodiment directly sprays ash-clearing technology as example take low-pressure multi-station, deashing device 5 comprises that a minute gas tank, at least one winding-up supervisor, the winding-up supervisor that are communicated with minute gas tank comprise the nozzle that one or more height are induced, and nozzle corresponds to described filter bag.Minute gas tank has the rotation station more than 1, and each station can many filter bags of deashing; In addition, minute gas tank inside is provided with a multistation soot cleaning valve, the corresponding winding-up supervisor of each station.Pulse dust cleaning mechanism can be the patent " the low-pressure multi-station direct-spraying deashing device of sack cleaner " of CN201342295Y with reference to publication number specifically, and its structure is no longer given unnecessary details at this.
In addition, dust arrester improves in the product factory degree of making, assembling by modular standard component mode, the controllability of improving the quality of products is avoided field fabrication and the assembling of critical component, effectively its total quality of control improves rapidity, accuracy and the sealing of the installation of product simultaneously.
Above-described embodiment only is explanation technical conceive of the present invention and characteristics, and its purpose is to allow the personage who is familiar with technique can understand content of the present invention and according to this enforcement, can not limit protection scope of the present invention with this.All equivalences that Spirit Essence is done according to the present invention change or modify, and all should be encompassed within protection scope of the present invention.
Claims (6)
1. exhaust dust device with bag of controlling the PM2.5 fine particle, comprise the sack cleaner body, offer the air inlet that connects intake stack, the air outlet that connects wind pipe on the described sack cleaner body, described sack cleaner body bottom is provided with ash bucket, described sack cleaner body interior is provided with filter bag, described filter bag is corresponding is provided with deashing device, and it is characterized in that: the deashing pressure of described deashing device is less than 0.1MPa; The surface of described filter bag is coated with the nano paint layer; Described air inlet place is provided with coagulation and device.
2. the exhaust dust device with bag of control according to claim 1 PM2.5 fine particle, it is characterized in that: described deashing device comprises that a minute gas tank, at least one winding-up supervisor, the described winding-up supervisor that are communicated with minute gas tank comprise the nozzle that one or more height are induced, and described nozzle corresponds to described filter bag.
3. the exhaust dust device with bag of control according to claim 2 PM2.5 fine particle is characterized in that: described minute gas tank, have the rotation station more than 1, and each station can many filter bags of deashing.
4. the exhaust dust device with bag of control according to claim 2 PM2.5 fine particle, it is characterized in that: gas tank inside was provided with a multistation soot cleaning valve in described minute, the corresponding winding-up supervisor of each station.
5. the exhaust dust device with bag of control according to claim 1 PM2.5 fine particle, it is characterized in that: described coagulation and device comprise corona wire, and the power supply that is electrically connected of described corona wire, form high voltage electric field between the corona discharge electrode of described corona wire and the described intake stack inwall.
6. the exhaust dust device with bag of control according to claim 1 PM2.5 fine particle, it is characterized in that: each described parts are the standard modular assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104295648A CN102961928A (en) | 2012-11-01 | 2012-11-01 | Bag dust collector for controlling PM2.5 fine particle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104295648A CN102961928A (en) | 2012-11-01 | 2012-11-01 | Bag dust collector for controlling PM2.5 fine particle |
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| CN102961928A true CN102961928A (en) | 2013-03-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012104295648A Pending CN102961928A (en) | 2012-11-01 | 2012-11-01 | Bag dust collector for controlling PM2.5 fine particle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113777006A (en) * | 2021-11-10 | 2021-12-10 | 山东津岳环保设备有限公司 | Detection device for overhauling environmental protection equipment |
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| US5217511A (en) * | 1992-01-24 | 1993-06-08 | The United States Of America As Represented By The Administrator Of The Environmental Protection Agency | Enhancement of electrostatic precipitation with electrostatically augmented fabric filtration |
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| CN101648112A (en) * | 2009-08-26 | 2010-02-17 | 福建龙净脱硫脱硝工程有限公司 | Flue gas purifying device and flue gas purifying method for trapping inhalable particulate |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113777006A (en) * | 2021-11-10 | 2021-12-10 | 山东津岳环保设备有限公司 | Detection device for overhauling environmental protection equipment |
| CN113777006B (en) * | 2021-11-10 | 2022-02-22 | 山东津岳环保设备有限公司 | Detection device for overhauling environmental protection equipment |
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Application publication date: 20130313 |