CN108325748A - A kind of binary channels electrostatic precipitator - Google Patents
A kind of binary channels electrostatic precipitator Download PDFInfo
- Publication number
- CN108325748A CN108325748A CN201810105946.2A CN201810105946A CN108325748A CN 108325748 A CN108325748 A CN 108325748A CN 201810105946 A CN201810105946 A CN 201810105946A CN 108325748 A CN108325748 A CN 108325748A
- Authority
- CN
- China
- Prior art keywords
- anode
- cathode
- electrostatic precipitator
- binary channels
- canister
- 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.)
- Granted
Links
- 239000012717 electrostatic precipitator Substances 0.000 title claims abstract description 42
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims 1
- 239000000428 dust Substances 0.000 abstract description 7
- 238000009423 ventilation Methods 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/02—Plant or installations having external electricity supply
- B03C3/04—Plant or installations having external electricity supply dry type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/34—Constructional details or accessories or operation thereof
- B03C3/40—Electrode constructions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C2201/00—Details of magnetic or electrostatic separation
- B03C2201/06—Ionising electrode being a needle
Landscapes
- Electrostatic Separation (AREA)
Abstract
The invention discloses a kind of binary channels electrostatic precipitator, described includes shell, and shell is equipped with the first air inlet, the first air outlet, the second air inlet and the second air outlet；It is provided with anode frame in the shell, the first cathode carrier is provided on anode frame；It is vertically provided with several row anode canisters on the anode frame, identical as anode canister quantity and one-to-one first cathode is provided in the first cathode carrier, every first cathode is inserted into respectively in that corresponding anode canister；It is respectively arranged with second cathode carrier between two row anode canister of arbitrary neighborhood, several second cathodes are respectively arranged in every second cathode carrier；The top of each anode canister corresponds to the first air inlet, and the bottom end of each anode canister corresponds to the first air outlet.Binary channels electrostatic precipitator provided by the invention improves the ventilation quantity of electrostatic precipitator and the total surface area of anode, to improve dust collection capacity.
Description
Technical field
The present invention relates to electrostatic dust collection equipment technical fields, more particularly to binary channels electrostatic precipitator.
Background technology
In electrostatic precipitator, anode is one of critical component, according to structure type usually by two kinds of anode plate and anode canister.
In the prior art, no matter anode canister is set as anode plate either anode canister, and only there are one gas in the shell of electrostatic precipitator
Circulation road, so that the ventilation quantity of electrostatic precipitator and dust collection capacity are relatively low.
As it can be seen that the prior art could be improved and improve.
Invention content
Place in view of above-mentioned deficiencies of the prior art, the purpose of the present invention is to provide a kind of binary channels electrostatic precipitator,
Aiming to solve the problem that in the prior art has only there are one gas channel in electrostatic precipitator shell, and ventilation quantity and dust collection capacity are relatively low
The technical issues of.
In order to achieve the above object, this invention takes following technical schemes：
A kind of binary channels electrostatic precipitator, including shell, housing tip are equipped with the first air inlet, and shell bottom end is equipped with the first outlet air
Mouthful, one end of shell horizontal direction is equipped with the second air inlet, and the other end of shell horizontal direction is equipped with the second air outlet；The shell
It is provided with anode frame in vivo, the first cathode carrier is provided on anode frame；It insulate between the anode frame and the first cathode carrier；It is described
It is vertically provided with several row anode canisters on anode frame, be provided with identical as anode canister quantity in the first cathode carrier and corresponds
The first cathode, every first cathode is inserted into respectively in that corresponding anode canister；Between two row anode canister of arbitrary neighborhood respectively
It is provided with second cathode carrier, several second cathodes are respectively arranged in every second cathode carrier；The top of each anode canister
Corresponding first air inlet in end, the bottom end of each anode canister correspond to the first air outlet.
In the binary channels electrostatic precipitator, in the projection of horizontal plane, the anode canister is distributed in square formation, every the
Two cathodes are located at the center for the square that four anode canisters adjacent thereto surround.
In the binary channels electrostatic precipitator, each second cathode respectively includes a metallic rod, in every metallic rod
It is provided with four row prickles on vertically, the angle of two row prickle of arbitrary neighborhood is 90 degree in shown metallic rod；Every second
Four row prickles of cathode are respectively directed to the axis of its four adjacent anode canister.
In the binary channels electrostatic precipitator, the anode frame includes one piece of top plate, and is arranged below top
Multiple supporting legs；Offer through-hole identical with anode canister quantity on the top plate, the top of each anode canister from it is corresponding that
Through-hole is stretched out and is connect with top plate upwards.
In the binary channels electrostatic precipitator, first cathode carrier includes an outline border, and more are provided on outline border
Connecting rod, each first cathode are separately positioned in that corresponding connecting rod.
In the binary channels electrostatic precipitator, ventilating duct, the bottom end of ventilating duct are provided on the top plate of the anode frame
Outside is provided with flange；The roof bolt of the flange and anode plate connects, and sealing is provided between the flange and anode plate
Pad；The top of ventilating duct extends to the first air inlet.
In the binary channels electrostatic precipitator, each first cathode is cathode line.
Advantageous effect：
The present invention provides a kind of binary channels electrostatic precipitator, compared with prior art, by the way that anode frame, anode canister, first is arranged
The components such as cathode carrier, the first cathode needle, the second cathode carrier and the second cathode needle so that form confession in the shell of electrostatic precipitator
Air-flow by first passage and second channel, improve the ventilation quantity and dust collection capacity of electrostatic precipitator.Due to anode canister
Outer wall is also used for dedusting, therefore the surface area that the anode for also improving electrostatic precipitator is total.
Description of the drawings
Fig. 1 is the front view of binary channels electrostatic precipitator provided by the invention.
Fig. 2 is the partial enlarged view in the regions S in Fig. 1.
Fig. 3 is in binary channels electrostatic precipitator provided by the invention, and the horizontal layout of anode canister and the second cathode needle is illustrated
Figure.
Fig. 4 is the stereoscopic schematic diagram of anode frame in binary channels electrostatic precipitator provided by the invention.
Fig. 5 is the stereoscopic schematic diagram of the first cathode carrier in binary channels electrostatic precipitator provided by the invention.
Fig. 6 is the stereoscopic schematic diagram of ventilation duct in binary channels electrostatic precipitator provided by the invention.
Fig. 7 is the structural schematic diagram of the second cathode needle in binary channels electrostatic precipitator provided by the invention.
Specific implementation mode
The present invention provides a kind of binary channels electrostatic precipitator, to keep the purpose of the present invention, technical solution and effect more clear
Chu defines, and the present invention is described in more detail for the embodiment that develops simultaneously referring to the drawings.It should be appreciated that tool described herein
Body embodiment only to explain the present invention, is not intended to limit the present invention.
It please refers to Fig.1 to Fig. 7, the present invention provides a kind of binary channels electrostatic precipitator.It is understood that for the ease of seeing
It examines, directly depicts the component of enclosure interior in Fig. 1, and actually can not be from hull outside directly to these components.Fig. 1
Middle dotted arrow is illustrated as the gas passed through from first passage, and solid arrow is illustrated as the gas passed through from second channel.
The anode canister that 4 rows 5 row are depicted in attached drawing is used only for interpretative structural modeling principle, is not used in and limits the specific of anode canister
Quantity.
Referring initially to Fig. 1 to Fig. 3, the binary channels electrostatic precipitator includes shell, housing tip be equipped with first into
Air port 111, shell bottom end are equipped with the first air outlet 112, and one end of shell horizontal direction is equipped with the second air inlet 121, shell water
Square to the other end be equipped with the second air outlet 122；It is provided with anode frame 2 in shell, the first cathode carrier is provided on anode frame
41；It insulate between the anode frame 2 and the first cathode carrier 41；Several row anode canisters 3 are vertically provided on the anode frame 2
（Each anode canister is preferably cylinder）, it is provided in the first cathode carrier 41 identical as anode canister quantity and one-to-one first cloudy
Pole 51, every first cathode 51 are inserted into respectively in that corresponding anode canister 3；It is respectively set between two row anode canister of arbitrary neighborhood
There is second cathode carrier 42, several second cathodes 52 are respectively arranged in every second cathode carrier 42；Each anode canister
Top corresponds to the first air inlet, and the bottom end of each anode canister corresponds to the first air outlet.In practical application, for the ease of installing, on
Pedestal can be also arranged by stating the bottom of shell（It is not shown in figure）, since pedestal is conventional arrangement, and it is not the inventive point of the present invention
Place, therefore the present invention is not especially limited.
In actual use, first air inlet and the second air inlet are respectively used to connect（Flanged joint or welding）It is external
Blast pipe（It is not shown in figure）, the first air outlet and the second air outlet are respectively used to connect（Flanged joint or welding）External outlet air
Pipe（It is not shown in figure）.In the housing, first passage is formed between the first air inlet and the first air outlet, the gas in the channel
（In Fig. 1 shown in dotted arrow）Pass through out of each anode canister, the first cathodic discharge makes in anode canister in each anode canister
Gas ionization, each anode canister inner wall capture first passage in gas in charged particle.In the housing, the second air inlet
Second channel is formed between mouth and the second air outlet, the gas in the channel（It is realized shown in arrow in Fig. 1）From each anode canister
Outer process, each second cathodic discharge make the gas ionization in second channel, and in the outer wall of anode canister capture second channel
Gas in charged particle.It can be seen that binary channels electrostatic precipitator provided by the present invention is at least compared with the prior art
With following technical advantages：（1）First passage and second channel that gas supply stream passes through are formd in shell, compared with prior art,
The ventilation quantity of binary channels electrostatic precipitator is doubled；（2）Since the outer wall of each anode canister is also used for dedusting, improve
The total surface area of the anode of binary channels electrostatic precipitator.（3）In practical application, the first air inlet and the second air inlet can lead to
Piping is connected to the dusty gas of separate sources, functions as the ash-laden gas of two electrostatic precipitator processing separate sources
Body.（4）It, can be with the first cathode of independent control and the second cathodal closing, power-off, so that binary channels electrostatic removes in practical application
Whether dirt device selectively can be dusted the gas in first passage and second channel according to actual conditions.
Further, referring to Fig. 3, in the projection of horizontal plane, the anode canister 3 is distributed in square formation, i.e.,：Anode canister
Line space and column pitch are equal.Every second cathode 52 is located at the square that four anode canisters 3 adjacent thereto surround
Center.The setting so that each second cathode is equal at a distance from that adjacent four anode canisters, that is, is convenient for the peace of the second cathode
Dress, also improves the uniformity of the outer wall dust of each anode canister, also correspondingly so that the quantity of the second cathode is reduced.
Preferably, Fig. 3 and Fig. 7 are please referred to, each second cathode 52 respectively includes a metallic rod 521, every metallic rod
On 521 vertically on be provided with four row prickles 522, the angle of two row prickle of arbitrary neighborhood is 90 degree in shown metallic rod；
Four row awns 522 thorn of every second cathode is respectively directed to the axis of its four adjacent anode canister 3.This is provided with so that second is cloudy
It is extremely easy to make, and the prickle of each row faces that neighbouring anode canister respectively on every second cathode, further carries
The high uniformity of the outer wall dust of each anode canister of each anode canister.It should be noted that the above-mentioned cathode sheet with prickle
Body is the prior art, and inventive point of the invention, which is not lain in, yet proposes a kind of cathode needle of new construction；But it is dexterously arranged
In the center for the square that four anode canisters adjacent thereto surround, and four row prickles of every second cathode are respectively directed to its phase
The axis of four adjacent anode canisters, then be the intention place of the present invention, and plays apparent technical advantages.
Since anode frame is mainly used for supporting each anode canister, there are many kinds of setting methods, referring to Fig. 4, of the invention
A kind of extremely easy setting is provided（But not limited thereto）：The anode frame 2 includes one piece of top plate 201, and is arranged and is pushing up
Multiple supporting legs 204 below portion（4 supporting legs 204 are depicted in Fig. 4）；It is offered on the top plate 201 and anode canister quantity phase
The top of same through-hole 2011, each anode canister 3 is stretched out from that corresponding through-hole 2011 and is connect with top plate upwards.It can incite somebody to action
The top of each anode canister is directly welded with top plate, can also be directly detachably connected with top plate by the top of anode canister.This
The structure of the model machine frame of sample setting is simple, and does not interfere the installation of the second cathode carrier of lower section.Preferably, each second cathode carrier point
Not Wei a vertical bar, each vertical bar is detachably connected across the bottom plate on the first air outlet and with shell, and each second is cloudy
Pole frame and corresponding second cathode are detachably connected.
Referring to Fig. 5, further, first cathode carrier 41 includes an outline border 411, and more companies are provided on outline border
Extension bar 412, each first cathode 51 are separately positioned in that corresponding connecting rod 412（For the ease of observation, only exist in Fig. 5
The first cathode is depicted in that root connecting rod of the rightmost side）.It is understood that the first cathode carrier is arranged on anode frame, two
By being provided with insulator between person（It is not shown in figure）To realize insulation, and these insulation sets are the routines of art technology
Setting（Please refer to the patent that Authorization Notice No. is CN 204841950U）, therefore the present invention is not further specifically limited it.
Further, it is provided with ventilating duct 8 on the top plate 201 of the anode frame（Preferably insulating materials is made）, wind-guiding
The Basolateral of cylinder is provided with flange 801；The roof bolt of the flange and anode plate connects, between the flange and anode plate
It is provided with gasket；The top of ventilating duct extends to the first air inlet.After ventilating duct is arranged on anode canister, the first cathode
Frame is then located in ventilating duct.There are one penetration pipes 803 for setting on ventilating duct side plate, are passed through for the power cord of the first cathode carrier.
In practical application, in order to which the air to first passage is uniformly distributed, second is provided on the inner wall of ventilating duct
Flange 802 has been bolted one piece of homogenating plate on second flange（Or " air distributor, " is not shown in figure）.The present invention is not
Limit the concrete structure of homogenating plate.
Preferably, each first cathode 41 is cathode line, and each first cathode be located at it is corresponding that
At the axis of anode canister.
It, can according to the technique and scheme of the present invention and its hair it is understood that for those of ordinary skills
Bright design is subject to equivalent substitution or change, and all these changes or replacement should all belong to the scope of protection of the present invention.
Claims (7)
1. a kind of binary channels electrostatic precipitator, including shell, which is characterized in that housing tip is equipped with the first air inlet, shell bottom
End is equipped with the first air outlet, and one end of shell horizontal direction is equipped with the second air inlet, and the other end of shell horizontal direction is equipped with the
Two air outlets；It is provided with anode frame in the shell, the first cathode carrier is provided on anode frame；The anode frame and the first cathode
It insulate between frame；It is vertically provided with several row anode canisters on the anode frame, is provided in the first cathode carrier and anode canister number
Identical and one-to-one first cathode is measured, every first cathode is inserted into respectively in that corresponding anode canister；Arbitrary neighborhood two
It is respectively arranged with second cathode carrier between row anode canister, several second the moon are respectively arranged in every second cathode carrier
Pole；The top of each anode canister corresponds to the first air inlet, and the bottom end of each anode canister corresponds to the first air outlet.
2. binary channels electrostatic precipitator according to claim 1, which is characterized in that in the projection of horizontal plane, the sun
Pole cylinder is distributed in square formation, and every second cathode is located at the center for the square that four anode canisters adjacent thereto surround.
3. binary channels electrostatic precipitator according to claim 2, which is characterized in that each second cathode respectively includes one
Metallic rod, in every metallic rod vertically on be provided with four row prickles, two row prickle of arbitrary neighborhood in shown metallic rod
Angle is 90 degree；Four row prickles of every second cathode are respectively directed to the axis of its four adjacent anode canister.
4. binary channels electrostatic precipitator according to claim 1, which is characterized in that the anode frame includes one piece of top plate,
And the multiple supporting legs being arranged below top；Through-hole identical with anode canister quantity, each anode are offered on the top plate
The top of cylinder is stretched out from that corresponding through-hole and is connect with top plate upwards.
5. binary channels electrostatic precipitator according to claim 4, which is characterized in that first cathode carrier includes one outer
Frame is provided with more connecting rods on outline border, and each first cathode is separately positioned in that corresponding connecting rod.
6. binary channels electrostatic precipitator according to claim 4, which is characterized in that be provided on the top plate of the anode frame
The Basolateral of ventilating duct, ventilating duct is provided with flange；The roof bolt of the flange and anode plate connects, the flange and sun
Gasket is provided between pole plate；The top of ventilating duct extends to the first air inlet.
7. binary channels electrostatic precipitator according to claim 4, which is characterized in that each first cathode is cathode
Line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810105946.2A CN108325748B (en) | 2018-02-02 | 2018-02-02 | Double-channel electrostatic dust collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810105946.2A CN108325748B (en) | 2018-02-02 | 2018-02-02 | Double-channel electrostatic dust collector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108325748A true CN108325748A (en) | 2018-07-27 |
| CN108325748B CN108325748B (en) | 2020-05-05 |
Family
ID=62927774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810105946.2A Expired - Fee Related CN108325748B (en) | 2018-02-02 | 2018-02-02 | Double-channel electrostatic dust collector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108325748B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109603521A (en) * | 2018-12-22 | 2019-04-12 | 上海雍德空气净化科技有限公司 | A kind of efficient smoke-purifying apparatus |
| WO2020083125A1 (en) * | 2018-10-22 | 2020-04-30 | 上海必修福企业管理有限公司 | Method and system for removing dust from exhaust gas of engine |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2144538Y (en) * | 1992-12-01 | 1993-10-27 | 煤炭科学研究总院杭州环境保护研究所 | Combined electric dust collector |
| CN201552059U (en) * | 2009-08-13 | 2010-08-18 | 曾繁宇 | Opening radiating type electrostatic tar precipitation dust removing device |
| CN104437866A (en) * | 2014-11-03 | 2015-03-25 | 福建省沃特宝环保科技有限公司 | Purification dust remover |
| CN107398349A (en) * | 2017-08-10 | 2017-11-28 | 德阳护球环保科技有限公司 | Improve the electric field structure of fume purifying efficiency |
-
2018
- 2018-02-02 CN CN201810105946.2A patent/CN108325748B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2144538Y (en) * | 1992-12-01 | 1993-10-27 | 煤炭科学研究总院杭州环境保护研究所 | Combined electric dust collector |
| CN201552059U (en) * | 2009-08-13 | 2010-08-18 | 曾繁宇 | Opening radiating type electrostatic tar precipitation dust removing device |
| CN104437866A (en) * | 2014-11-03 | 2015-03-25 | 福建省沃特宝环保科技有限公司 | Purification dust remover |
| CN107398349A (en) * | 2017-08-10 | 2017-11-28 | 德阳护球环保科技有限公司 | Improve the electric field structure of fume purifying efficiency |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020083125A1 (en) * | 2018-10-22 | 2020-04-30 | 上海必修福企业管理有限公司 | Method and system for removing dust from exhaust gas of engine |
| WO2020083157A1 (en) * | 2018-10-22 | 2020-04-30 | 上海必修福企业管理有限公司 | Engine exhaust gas dust removal system and method |
| WO2020083158A1 (en) * | 2018-10-22 | 2020-04-30 | 上海必修福企业管理有限公司 | Engine exhaust gas dust removal system and method |
| WO2020083154A1 (en) * | 2018-10-22 | 2020-04-30 | 上海必修福企业管理有限公司 | Method and system for removing dust from exhaust gas of engine |
| CN109603521A (en) * | 2018-12-22 | 2019-04-12 | 上海雍德空气净化科技有限公司 | A kind of efficient smoke-purifying apparatus |
| CN109603521B (en) * | 2018-12-22 | 2021-10-19 | 上海雍德空气净化科技有限公司 | High-efficient gas cleaning device |
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| CN108325748B (en) | 2020-05-05 |
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Granted publication date: 20200505 |