CN220371275U - Electric bag composite dust remover - Google Patents
Electric bag composite dust remover Download PDFInfo
- Publication number
- CN220371275U CN220371275U CN202321419118.9U CN202321419118U CN220371275U CN 220371275 U CN220371275 U CN 220371275U CN 202321419118 U CN202321419118 U CN 202321419118U CN 220371275 U CN220371275 U CN 220371275U
- Authority
- CN
- China
- Prior art keywords
- dust
- bag
- electric
- flue gas
- dust collector
- 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.)
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- 239000000428 dust Substances 0.000 title claims abstract description 160
- 239000002131 composite material Substances 0.000 title claims abstract description 25
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 33
- 239000003546 flue gas Substances 0.000 claims abstract description 33
- 239000004744 fabric Substances 0.000 claims abstract description 24
- 230000005611 electricity Effects 0.000 claims description 7
- 230000008676 import Effects 0.000 claims description 5
- 239000012717 electrostatic precipitator Substances 0.000 claims 5
- 239000003500 flue dust Substances 0.000 claims 1
- 238000004140 cleaning Methods 0.000 abstract description 10
- 230000005684 electric field Effects 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 6
- 238000001914 filtration Methods 0.000 abstract description 6
- 239000007789 gas Substances 0.000 abstract description 5
- 230000002035 prolonged effect Effects 0.000 abstract description 5
- 230000035699 permeability Effects 0.000 abstract description 2
- 239000002956 ash Substances 0.000 description 14
- 238000000034 method Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000009991 scouring Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000011362 coarse particle Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000010881 fly ash Substances 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
- Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust
Landscapes
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The utility model relates to the technical field of electric bag dust collectors and discloses an electric bag composite dust collector which comprises a flue gas inlet bin, wherein a flue gas inlet is formed in the left end of the flue gas inlet bin, an electric bag dust collector is arranged on the right side of the flue gas inlet bin, a cloth bag dust collection area is arranged on the right side of the electric bag dust collector, a gas purifying chamber is arranged at the upper end of the cloth bag dust collection area, a flue gas outlet is formed in the upper end of the gas purifying chamber, and ash hoppers are arranged at the lower ends of the electric bag dust collector and the cloth bag dust collection area. The electric bag composite dust remover provided by the utility model has the advantages that the dust trapped by the front-stage electric dust remover is more than 80%, and the dust trapped by the rear-stage filter bag is only 1/6 of that trapped by the conventional cloth bag dust remover. The dust load of the rear-stage filter bag is greatly reduced, and the dust cleaning period is greatly prolonged; the dust is ionized and charged by the pre-stage electric field, and the charging effect improves the filtering characteristic of the dust on the filter bag, so that the air permeability and the ash cleaning performance of the filter bag are greatly improved.
Description
Technical Field
The utility model relates to the technical field of electric bag dust collectors, in particular to an electric bag composite dust collector.
Background
The electric bag type composite dust remover organically combines the characteristics of electrostatic dust removal and cloth bag dust removal, and the high-efficiency dust remover fully exerts the respective dust removal advantages of the electric dust remover and the cloth bag dust remover and combines the two to generate new performance advantages, thereby overcoming the dust removal defects of the electric dust remover and the cloth bag dust remover. The composite dust remover has the advantages of high efficiency, stability, low resistance of filter bags, long service life, small occupied area and the like, and is a main technical means for controlling the cooperative treatment of fine particle dust, PM2.5, heavy metal mercury and other multi-pollutants in the future.
The conventional dust remover has not fully and reasonably utilized the respective advantages of the electric dust remover and the cloth bag dust remover, and the combination of the two to generate new functions can not overcome the defects of the electric dust remover and the cloth bag dust remover, so that an electric bag composite dust remover is urgently needed to solve the technical problems.
Disclosure of Invention
The utility model aims to provide an electric bag composite dust collector, which is provided with the following technical scheme for achieving the purposes:
the utility model provides an electricity bag combined type dust remover, includes the flue gas import storehouse, flue gas import has been seted up to the left end in flue gas import storehouse, and the right side in flue gas import storehouse installs the electricity bag dust remover, the right side of electricity bag dust remover is provided with the sack dust removal district, and the air-purifying chamber is installed to the upper end in sack dust removal district, and the flue gas export has been seted up to the upper end of this air-purifying chamber, the ash bucket is all installed to the lower extreme in electricity bag dust remover and sack dust removal district.
Preferably, the discharge concentration of the electric bag composite dust collector is less than 10-20mg/Nm 3 。
Preferably, the electric bag dust collector captures more than 80% of dust, and the amount of the dust captured by a later-stage filter bag in the bag dust collection area is only 1/6 of that captured by a conventional bag dust collector.
Preferably, a filter bag is arranged in the bag-type dust removing area.
Preferably, the ash bucket is provided with three groups in total, and the ash bucket is of an inverted cone structure.
Preferably, the aperture of the flue gas inlet is larger than the aperture of the flue gas outlet.
Compared with the prior art, the utility model has the following beneficial effects: the electric bag composite dust collector utilizes the shell and the ash storage system of the original electric dust collector, retains the front electric field of the electric dust collector, removes the rear electric field, installs the cloth bag dust collector in the removed rear electric field, and fully exerts the respective advantages by organically combining the two dust collectors, thereby achieving the purposes of high efficiency, moderate resistance and prolonging the service life of the filter bag.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the detailed description of non-limiting embodiments, made with reference to the following drawings, in which:
FIG. 1 is a left side view of the bag filter of the present utility model;
in the figure: 1. a flue gas inlet bin; 2. a flue gas inlet; 3. an electric bag dust collector; 4. an ash bucket; 5. a cloth bag dust removing area; 6. a gas purifying chamber; 7. and a flue gas outlet.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. The drawings are for illustrative purposes only, are schematic representations, not physical drawings, and are not to be construed as limiting the patent, and in order to better illustrate the specific embodiments of the utility model, certain components in the drawings are omitted, enlarged or reduced, and do not represent the size of the actual product, different kinds of cross-sectional lines in the drawings are not marked according to national standards, nor are materials of the components required, and cross-sectional views of the components in the drawings are distinguished, so that it is understood by those skilled in the art that certain well-known structures, components and descriptions thereof may be omitted in the drawings, and all other embodiments obtained by those skilled in the art without making creative efforts are within the scope of protection of the utility model based on the embodiments in the present utility model.
Referring to fig. 1, an electric bag type composite dust collector comprises a flue gas inlet bin 1, a flue gas inlet 2 is formed in the left end of the flue gas inlet bin 1, an electric bag dust collector 3 is mounted on the right side of the flue gas inlet bin 1, a cloth bag dust collection area 5 is arranged on the right side of the electric bag dust collector 3, a gas purifying chamber 6 is mounted at the upper end of the cloth bag dust collection area 5, a flue gas outlet 7 is formed in the upper end of the gas purifying chamber 6, and ash hoppers 4 are mounted at the lower ends of the electric bag dust collector 3 and the cloth bag dust collection area 5.
Wherein, the discharge concentration of the electric bag composite dust collector is less than 10-20mg/Nm 3 。
Wherein, the electric bag dust collector 3 captures more than 80% of dust, and the dust amount captured by the filter bag at the rear stage of the cloth bag dust collection area 5 is only 1/6 of that of the conventional cloth bag dust collection.
Wherein, a filter bag is arranged in the bag-type dust removing area 5.
Wherein, ash bucket 4 is provided with three groups altogether, and ash bucket 4 is the cone structure of handstand.
Wherein the aperture of the flue gas inlet 2 is larger than the aperture of the flue gas outlet 7.
The working principle and the using flow of the utility model are as follows: the front stage is provided with an electric field or an electric bag dust collector with two electric fields, most of dust (mainly coarse particle dust) in the dust is collected, the dust collection efficiency is more than 80%, and meanwhile, the uncollected fine dust is ionized and charged;
the post-stage is provided with a cloth bag dust removing area 5, so that the flue gas with low dust concentration and charge is collected by a filter bag, and the discharge concentration is less than 10-20mg/Nm 3 Environmental protection requirements;
the electric bag composite dust remover utilizes the shell and the ash storage system of the original electric dust remover, retains the front-stage electric field of the electric dust remover, removes the rear-stage electric field, installs the bag dust remover in the removed rear-stage electric field, and fully exerts the respective advantages by organically combining the two dust removers, thereby achieving the purposes of high efficiency, moderate resistance and prolonging the service life of the filter bag.
The electric-bag combined dust remover has scientific dust removing mechanism and advanced and reliable technology, and because in the electric-bag combined dust remover, flue gas firstly passes through the front-stage electric dust remover and then slowly enters the rear-stage bag dust remover, the front-stage electric dust remover captures more than 80% of dust, and the dust amount captured by the rear-stage filter bag is only 1/6 of that captured by the conventional bag dust remover. The dust load of the rear-stage filter bag is greatly reduced, and the dust cleaning period is greatly prolonged; the dust is ionized and charged by the pre-stage electric field, and the charging effect improves the filtering characteristic of the dust on the filter bag, so that the air permeability and the ash cleaning performance of the filter bag are greatly improved. The advantages of the electric dust collector and the cloth bag dust collector are fully and reasonably utilized, and the electric dust collector and the cloth bag dust collector are combined to generate new functions, and meanwhile, the defects of the electric dust collector and the cloth bag dust collector can be overcome.
The electric bag composite dust collector has the advantages that the dust load of the filter bag is small, the filtering wind speed of the filter bag can be improved, the investment is saved, the occupied area is reduced, the dust load of the filter bag of the electric bag composite dust collector is small, and the charging effect is achieved, the filtering wind speed can be improved to 1.2-1.8 m/min in series, and the filter bag still keeps lower resistance at the moment. Thereby greatly reducing the filtering area of the filter bag, saving the investment of equipment and reducing the occupied area of the dust remover.
The electric bag composite dust remover has low running resistance; because of the effect of electric dust removal and charge, the dust layer formed by the filter bag is loose, the resistance is small, the dust removal is easy, and the dust remover can keep lower running resistance in the running process.
The electric bag composite dust remover has small dust scouring abrasion; the front stage electric dust collector collects most (more than 80 percent) of dust (the dust particles are coarse, the momentum is large, the abrasion damage strength to the filter bag is large), the concentration of the remained dust is low, the particles are fine, the charging effect and the inlet space of each chamber of the rear stage filter bag are large, and the dust speed entering each chamber is low, so that the scouring damage effect of the dust is reduced.
The filter bag of the electric bag composite dust collector has long service life; compared with a conventional bag-type dust collector, the electric bag-type dust collector has the advantages that the dust amount deposited in the same filter bag area in unit time is small, and the ash cleaning period of the filter bag can be more than 2 times that of the conventional dust collector. The ash cleaning frequency of the filter bag is reduced, the ash cleaning times are reduced, and the service life of the filter bag is greatly prolonged. The electric bag composite dust collector can adopt an online dust cleaning mode in actual operation because dust cleaning is easy, and reduces the fluctuation of the air-cloth ratio of the filter bag, thereby prolonging the service life of the filter material. The electric bag composite dust collector has the advantages of good filtering performance of the filter bag, low running resistance, small strength load of the filter bag and prolonged service life of the filter material.
The operation and maintenance cost of the electric bag composite dust collector is low; the bag dust collection in the dust collector occupies most of the cost of the dust collector, so that the cost of the bag dust collection part is reduced, the service life of the filter bag is prolonged, and the replacement and maintenance cost of the filter bag can be reduced; the running resistance is reduced, so that the electricity consumption cost of the fan can be saved; the ash cleaning period is long, so that the consumption of compressed air can be reduced, namely the electricity consumption cost of the air compressor is reduced. The operation and maintenance cost of the electric bag composite dust collector is greatly lower than that of the cloth bag dust collector.
The electric bag composite dust remover has high and stable dust removal efficiency; the dust removal efficiency of the electric bag combined dust remover is not affected by the coal type, the flue gas working condition and the fly ash characteristic, and the emission concentration can be high-efficiently and stably below 30mg/Nm3 (even 10mg/Nm 3) for a long time.
What is not described in detail in this specification is prior art known to those skilled in the art.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides an electricity bag combined type dust remover, includes flue gas import storehouse (1), its characterized in that: the utility model discloses a flue gas dust collector, including flue gas inlet bin (1), electric bag dust collector (3), air-purifying chamber (6), flue gas outlet (7) have been seted up to the left end in flue gas inlet bin (1), and electric bag dust collector (3) are installed on the right side in flue gas inlet bin (1), the right side in electric bag dust collector (3) is provided with sack dust collection zone (5), and sack dust collection zone (5) installs air-purifying chamber (6) in the upper end, flue dust outlet (7) are all installed to the lower extreme in electric bag dust collector (3) and sack dust collection zone (5).
2. The electrostatic precipitator of claim 1, wherein: the discharge concentration of the electric bag type composite dust collector is less than 10-20mg/Nm 3 。
3. The electrostatic precipitator of claim 1, wherein: the electric bag dust collector (3) collects more than 80% of dust, and the dust collected by a filter bag at the rear stage of the cloth bag dust collection area (5) is only 1/6 of that collected by a conventional cloth bag.
4. The electrostatic precipitator of claim 1, wherein: a filter bag is arranged in the bag-type dust removing area (5).
5. The electrostatic precipitator of claim 1, wherein: the ash bucket (4) is provided with three groups in total, and the ash bucket (4) is of an inverted cone structure.
6. The electrostatic precipitator of claim 1, wherein: the aperture of the flue gas inlet (2) is larger than that of the flue gas outlet (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321419118.9U CN220371275U (en) | 2023-06-06 | 2023-06-06 | Electric bag composite dust remover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321419118.9U CN220371275U (en) | 2023-06-06 | 2023-06-06 | Electric bag composite dust remover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220371275U true CN220371275U (en) | 2024-01-23 |
Family
ID=89566976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321419118.9U Active CN220371275U (en) | 2023-06-06 | 2023-06-06 | Electric bag composite dust remover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220371275U (en) |
-
2023
- 2023-06-06 CN CN202321419118.9U patent/CN220371275U/en active Active
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