CN105561726B - One kind carrying acting type wet static dedusting demister - Google Patents
One kind carrying acting type wet static dedusting demister Download PDFInfo
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- CN105561726B CN105561726B CN201610077731.5A CN201610077731A CN105561726B CN 105561726 B CN105561726 B CN 105561726B CN 201610077731 A CN201610077731 A CN 201610077731A CN 105561726 B CN105561726 B CN 105561726B
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- tower body
- liquid separation
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- dedusting demister
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
- B01D45/04—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by utilising inertia
- B01D45/08—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by utilising inertia by impingement against baffle separators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/06—Spray cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
- B01D53/50—Sulfur oxides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Separating Particles In Gases By Inertia (AREA)
- Electrostatic Separation (AREA)
- Treating Waste Gases (AREA)
Abstract
One kind carrying acting type wet static dedusting demister, including middle part separate type tower body, and smoke inlet, gas system, tempering system, backwashing system, high-voltage electricity place, exhanst gas outlet and drain pipe are equipped with successively from top to bottom in the tower body；The high-voltage electricity place is powered by anode system and cathod system and is generated；The tower body includes top tower body and bottom tower body, and the high voltage electric field distinguishes the segregation section being distributed between top tower body and bottom column bottom；The acting type wet static dedusting demister that carries further includes an adjustable gas liquid separation system；The adjustable gas liquid separation system is set in the exhanst gas outlet.One kind of the present invention carrying acting type wet static dedusting demister, by the way that adjustable gas liquid separation system is arranged in exhanst gas outlet, so that flue gas is handled by sufficient gas-liquid separation before discharge, avoids containing PM such as inorganic salts, heavy metal, dusts2.5The moisture of substance is brought by flue gas in chimney, to make flue gas further be purified.
Description
Technical field
The present invention relates to technical field of environment protection equipment more particularly to one kind carrying acting type wet static dedusting demister.
Background technology
In recent years, China central and east persistently meets with haze, the PM in the formation and air of haze2.5Content is inseparable, state
Inside and outside result of study shows coal-burning power plant's wet desulfurization system almost without removal PM2.5The ability of particulate matter, to mercury and SO3Gas
The removing of colloidal sol etc. is also extremely limited, causes flue dust often to occur phenomena such as blue smoke, gypsum rain, seriously polluting environment, endangers people
Body health.
State Council in 2011《National environmental protection " 12th Five-Year Plan " is planned》It is required that：In the Beijing-Tianjin wing, the Yangtze River Delta and Pearl River Delta etc.
Carry out ozone, fine particulates (PM in region2.5) etc. pollutant monitorings.On 2 29th, 2012, State Council held standing meeting,
Publication is asked newly to revise《Ambient air quality》By PM2.5It is included in regular air quality evaluation.As country is to atmosphere pollution
The raising that object emission control requires, new fossil-fuel power plant atmospheric pollutant emission standard (GB13223-2011) was on January 1st, 2012
It is formal to implement.New emission standard requires all to be greatly improved to flue dust, sulfur dioxide, nitrogen oxidation emission control.In order to full
The new discharge standard of foot and solve the problems, such as current power plant's generally existing gypsum rain, there is an urgent need to matched system and equipment
To handle PM2.5, blue smoke and the problems such as gypsum rain.Into 2014, " minimum discharge " proposed successively in various regions, 2014 by
National Development and Reform Committee, Chinese Ministry of Environmental Protection, National Energy Board's dispatch《No. 2093》It is recommended that the index of fire coal boiler fume minimum discharge is SO2
≤35mg/Nm3, NOx≤50mg/Nm3, flue dust≤10mg/Nm3.To reach minimum discharge index, to increase after wet desulphurization
Wet static dedusting demister, to shorten flow, the form of outlet under upper air can be used in wet static dedusting demister, still
This structure can make the water droplet to flow downward that dirty flue gas entrainment pole plate polar curve is collected.Contain inorganic salts, again in these water droplets
The PM such as metal, dust2.5Substance, the flue dust index of flue gas emission can be influenced, while the plume white haze of discharge can be made to thicken.
Invention content
The invention reside in deficiency, provide a kind of to realize desulfurization, depth dedusting, depth simultaneously the shortcomings that overcoming the prior art
Degree removal flue gas moisture multiple action and simple in structure carry acting type wet static dedusting demister.
In order to achieve the above object, the present invention uses following technical scheme：One kind carrying acting type wet static dedusting demisting dress
It sets, including middle part separate type tower body, which is equipped with smoke inlet, gas system, tempering system, backwash successively from top to bottom
System, high-voltage electricity place, exhanst gas outlet and drain pipe；The high-voltage electricity place is powered by anode system and cathod system and is generated；
The tower body includes top tower body and bottom tower body, and the high voltage electric field distinguishes point being distributed between top tower body and bottom column bottom
From section；The acting type wet static dedusting demister that carries further includes an adjustable gas liquid separation system；The adjustable gas-liquid
Piece-rate system is set in the exhanst gas outlet.
Further, the adjustable gas liquid separation system be by a top plate with mutually closely connect and vertical be successively disposed around
The tool that three pieces of water removal baffles of top plate periphery are formed is fixed in bottom tower body there are two the semi-surrounding frame structure in opening face
Tower wall and bottom of tower, and one of frame structure opening face face exhanst gas outlet.Adjustable gas liquid separation system is surrounded on
Exhanst gas outlet, to make flue gas that must first pass through any water removal baffle of adjustable gas liquid separation system before exhanst gas outlet discharge,
It is handled by gas-liquid separation to ensure that flue gas discharge is preceding, reduces flue gas water content.
Further, the water removal baffle includes skeleton and the block water plate that tilts the multi-disc being fixed on skeleton and be mutually parallel,
And the block water plate tilt adjustable.Multi-disc block water plate is fixed by skeleton, forms the gear that angle of inclination is consistent, is mutually parallel
Water-bound, under upper air in the wet static dedusting demister of outlet, flue gas can flow part pole plate polar curve down small
Drop is taken away, and the droplet being mingled in smoke outlet, flue gas is mutually collided with block water plate, and coalescence is acted at big by coalescence
Drop stays on block water plate, and is discharged from the drain pipe of wet method electrostatic collector demister bottom along block water plate, and clean dry
Dry flue gas is discharged from exhanst gas outlet.The angle of inclination of the block water plate can be adjusted by connector (such as bolt), to basis
Resistance, index request and the exhanst gas outlet flue gas of waste gas pollution control and treatment system fly the inclination angle that block water plate is adjusted flexibly in water
Degree, ensures better gas-liquid separation effect.
Further, the block water plate angle with horizontal plane is 50 °~70 °.Inclining for block water plate is usually adjusted in the range
Rake angle, the angle of inclination within the scope of this can increase the probability of droplet and block water plate collision in flue gas, to ensure gas-liquid
Separating effect.
Preferably, the block water plate angle with horizontal plane is 60 °.The gas-liquid separation effect at the angle of inclination is best.
Further, the anode system includes polylith anode plate.
Further, the anode plate is made of electroconductive frp.
Further, the cathod system includes multiple insulator chambers and cathode line.
Further, the tempering system includes quenched spraying layer, which is equipped with multiple atomizers.The tune
Matter system forms atomised spray to adsorb dust by quenched spraying layer, reduces the specific resistance of exhaust gas dust.
Further, the backwashing system includes at least one layer of atomized water spraying layer, and the atomized water spraying layer is equipped with
Multiple atomizers.Atomized water is sprayed onto the company of being formed on the anode plate of anode system by atomized water spraying layer by the backwashing system
The grit of capture is washed away to bottom of device, is drained into the pond below device through drain pipe by continuous moisture film, flowing moisture film.
Compared with the prior art, one kind of the invention carries acting type wet static dedusting demister, by exhanst gas outlet
Interior setting adjustable gas liquid separation system makes flue gas, by more abundant thoroughly gas-liquid separation processing, avoid containing before discharge
There are the PM such as inorganic salts, heavy metal, dust2.5The moisture of substance is brought by flue gas in chimney, further net to make flue gas obtain
Change；Also the visible smog length and thickness for making chimney reduce.In addition, the adjustable gas liquid separation system can be easily original
It installs additional on wet static dedusting demister, is transformed on existing apparatus convenient for enterprises and institutions, save cost.
In order to better understand and implement, the invention will now be described in detail with reference to the accompanying drawings.
Description of the drawings
Fig. 1 is the structural schematic diagram for carrying acting type wet static dedusting demister of the present invention
Fig. 2 is the mounting structure schematic diagram of adjustable gas liquid separation system of the present invention
Fig. 3 is the A of Fig. 2 to schematic diagram
Fig. 4 is the structural schematic diagram of adjustable gas liquid separation system of the present invention
Fig. 5 is the structural schematic diagram of water removal baffle of the present invention
Fig. 6 is the B of Fig. 5 to schematic diagram
Specific implementation mode
Referring to Fig. 1, its structural schematic diagram for carrying acting type wet static dedusting demister for the present invention.The present invention's
One kind carrying acting type wet static dedusting demister, including a middle part separate type tower body；The tower body includes top tower body 91 and bottom
Portion's tower body 92, and separation one end interval therebetween.It is equipped with smoke inlet 10, gas system inside the tower body successively from top to bottom
20, tempering system 30, backwashing system 40, high-voltage electricity place 50, exhanst gas outlet 60 and drain pipe 70；The exhanst gas outlet 60 is opened
Set on the side of bottom tower body 92, the drain pipe 70 is set to the bottom of bottom tower body 92.One is equipped in the exhanst gas outlet 60
Adjustable gas liquid separation system 80.Flue gas enters the tower body from smoke inlet 10, and passes through gas system 20, quenched system successively
System 30, backwashing system 40, after 50 dedusting demisting of high-voltage electricity place, by after 80 gas-liquid separation of adjustable gas liquid separation system from
Exhanst gas outlet 60 is discharged, and the waste liquid generated during wet method electrostatic collector demisting is discharged from drain pipe 70.
Specifically, the high-voltage electricity place 50 leads to high voltage direct current by anode system 51 and cathod system 52 and generates, the height
Piezoelectric field distinguishes the segregation section being distributed between top tower body and bottom column bottom.The anode system 51 is formed by polylith anode plate,
Preferably, the anode plate is made of electroconductive frp.The cathod system 52 includes more cathode lines 521 and multiple insulators
Room 522.The tempering system 30 includes quenched spraying layer, which is equipped with multiple atomizers.The backwash
System 40 includes at least one layer of atomized water spraying layer, and the atomized water spraying layer is equipped with multiple atomizers.
Please refer to Fig. 2~6, wherein Fig. 2 is that the mounting structure of adjustable gas liquid separation system of the present invention shows
It is intended to；Fig. 3 is the A of Fig. 2 to schematic diagram；Fig. 4 is the structural schematic diagram of adjustable gas liquid separation system of the present invention；Fig. 5
For the structural schematic diagram of water removal baffle of the present invention；Fig. 6 is the B of Fig. 5 to schematic diagram.The adjustable gas liquid separation system
80 is connects and vertical peripheral three pieces of top plate 81 that are disposed around remove water what baffles 82 were formed successively by a top plate 81 with mutually close
Tool is fixed in tower wall and the bottom of tower of bottom tower body 92 there are two the semi-surrounding frame structure in opening face, and the frame structure
One of opening face face exhanst gas outlet 60.After flue gas leaves high-voltage electricity place 50, it is discharged after any water removal baffle 82
Exhanst gas outlet 60.
Specifically, the water removal baffle 82 includes skeleton 821 and tilts what the multi-disc being fixed on skeleton 821 was mutually parallel
Block water plate 822.The angle of inclination of the block water plate 822 can be adjusted by connector (such as bolt), to according to waste gas pollution control and treatment system
The angle of inclination of block water plate is adjusted flexibly in the resistance of system, the winged water of flue gas of index request and exhanst gas outlet 60, ensures
Better gas-liquid separation effect.In order to ensure preferable gas-liquid separation effect, 822 angle with horizontal plane b of the block water plate is 50
It is adjusted within the scope of~70 °.Preferably, angle b is adjusted to 60 °, the gas-liquid separation effect at this angle of inclination is best.Flue gas from
After opening high-voltage electricity place 50, flue gas can take away segment anode plate toward dirty droplet, in smoke outlet, due to top plate 81
Blocking, can only pass through from any water removal baffle 82；Since the block water plate 822 on water removal baffle 82 is obliquely installed, pressed from both sides in flue gas
Miscellaneous droplet collides with block water plate 822, is stayed on block water plate 822 at big drop to generate coalescence effect coalescence, and
It is discharged from the drain pipe 70 of wet method electrostatic collector demister bottom along block water plate 822, makes inorganic salts, the huge sum of money in water droplet
The PM2.5 substances such as category, dust are retained down, and not only make flue gas more dry, while reducing the harmful substance in flue gas, are made
Flue gas obtains the purification of deeper.
Flue gas to be clean is flowed into from into smoke inlet 10 in tower body, after gas system 20, the flue gas that is evenly distributed
Into tempering system 30；The quenched spraying layer of tempering system 30 adsorbs the dust in flue gas to flue gas spray atomizing water, atomized water,
Reduce the specific resistance of dust in flue gas；The water mist for being adsorbed with dust later enters high-voltage electricity place 50, and water mist is under electric field action
Chargedization, and be further atomized；At this point, electrically charged water mist mutually collides coalescence with pm2.5 grits, under coulomb force effect altogether
It simultaneously becomes trapped with anode plate is tended to, form flow and carries flue dust secretly and flow downward out high-voltage electricity place along anode plate and cathode line.
It is continuous to be formed on anode plate that atomized water is periodically directly sprayed to anode plate by the atomized water spraying layer of backwashing system 40
The grit of accumulation is washed away to the bottom of device, is drained into the pond below device through drain pipe 70 by moisture film, flowing water film.Through
The flue gas crossed after dedusting demisting enters in adjustable gas liquid separation system 80, since wet static dedusting demister is upper air
Lower outlet type, flue gas can take away segment anode plate toward dirty droplet, the droplet and adjustable gas being mingled in flue gas
Block water plate 822 on liquid separation system collides, and stays on block water plate 822, makes at big drop to generate coalescence effect coalescence
The PM such as inorganic salts, heavy metal, dust in water droplet2.5Substance is retained down, finally, by the clean of depth dedusting demisting water removal
Neat stress is discharged from exhanst gas outlet 60.Since its structure is outlet under upper air, all anode plates and cathode line be chronically at by
The water mist of capture forms the state that moisture film is washed away, and overcomes the withered knot in anode plate cathode line top of air outlet structure in lower air inlet
Dirt, the shortcomings that making removal rate decline.
Compared with the prior art, one kind of the invention carries acting type wet static dedusting demister, by exhanst gas outlet
Setting adjustable gas liquid separation system 80 in 60 makes flue gas, by more abundant thoroughly gas-liquid separation processing, be kept away before discharge
Exempt from containing PM such as inorganic salts, heavy metal, dusts2.5The moisture of substance is brought by flue gas in chimney, to make flue gas obtain further
Ground purifies；Also the visible smog length and thickness for making chimney reduce.In addition, the adjustable gas liquid separation system can easily exist
It installs additional on original wet static dedusting demister, is transformed on existing apparatus convenient for enterprises and institutions, save cost.
It the above is only the preferred embodiment of the present invention, it is noted that above-mentioned preferred embodiment is not construed as pair
The limitation of the present invention, protection scope of the present invention should be subject to claim limited range.For the art
For those of ordinary skill, without departing from the spirit and scope of the present invention, several improvements and modifications can also be made, these change
Protection scope of the present invention is also should be regarded as into retouching.
Claims (4)
1. one kind carries acting type wet static dedusting demister, including middle part separate type tower body, in the tower body from top to bottom successively
Equipped with smoke inlet, gas system, tempering system, backwashing system, high-voltage electricity place, exhanst gas outlet and drain pipe；The height
Piezoelectricity place is powered by anode system and cathod system and is generated；The tower body includes top tower body and bottom tower body, the high pressure
Electric field region is distributed in the segregation section between top tower body and bottom column bottom；It is characterized in that：It further include adjustable gas-liquid separation
System；The exhanst gas outlet is opened in the side of bottom tower body, and the adjustable gas liquid separation system is set to the exhanst gas outlet
It is interior；The adjustable gas liquid separation system be by a top plate with mutually it is close connect and successively it is vertical be disposed around top plate it is peripheral three
Block removes water the tool of baffle formation there are two the semi-surrounding frame structure in opening face, is fixed in tower wall and the bottom of tower of bottom tower body,
And one of frame structure opening face face exhanst gas outlet；The water removal baffle includes that skeleton is fixed on skeleton with inclination
On the block water plate that is mutually parallel of multi-disc, and the block water plate tilt adjustable, the block water plate angle with horizontal plane are
60°；
The tempering system includes quenched spraying layer, which is equipped with multiple atomizers；
The backwashing system includes at least one layer of atomized water spraying layer, and the atomized water spraying layer is sprayed equipped with multiple atomizations
Mouth.
2. according to claim 1 carry acting type wet static dedusting demister, it is characterised in that：The anode system packet
Include polylith anode plate.
3. according to claim 2 carry acting type wet static dedusting demister, it is characterised in that：The anode plate is by leading
Electric fiberglass is made.
4. according to claim 1 carry acting type wet static dedusting demister, it is characterised in that：The cathod system packet
Include multiple insulator chambers and cathode line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610077731.5A CN105561726B (en) | 2016-02-03 | 2016-02-03 | One kind carrying acting type wet static dedusting demister |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610077731.5A CN105561726B (en) | 2016-02-03 | 2016-02-03 | One kind carrying acting type wet static dedusting demister |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105561726A CN105561726A (en) | 2016-05-11 |
| CN105561726B true CN105561726B (en) | 2018-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610077731.5A Active CN105561726B (en) | 2016-02-03 | 2016-02-03 | One kind carrying acting type wet static dedusting demister |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3845291A1 (en) * | 2019-12-31 | 2021-07-07 | ALLSWELL Co., Ltd. | Apparatus for removing moisture from exhaust gas |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109078445A (en) * | 2018-10-21 | 2018-12-25 | 山东盛宝传热科技有限公司 | Flue gas ash removal takes off white integrated apparatus |
| CN113366198B (en) * | 2018-10-22 | 2023-08-15 | 上海必修福企业管理有限公司 | Engine emission treatment system and method |
| CN109464852A (en) * | 2018-12-28 | 2019-03-15 | 启明星宇节能科技股份有限公司 | Flue gas sewage separate pipeline |
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| JP3175082U (en) * | 2012-02-08 | 2012-04-19 | 株式会社日立プラントテクノロジー | Wet electrostatic precipitator |
| CN202538927U (en) * | 2012-04-24 | 2012-11-21 | 山东大学 | Downstream wet electrostatic precipitator |
| CN203090630U (en) * | 2013-03-18 | 2013-07-31 | 广州市天赐三和环保工程有限公司 | Flue gas demisting device for desulfurization tower |
| CN105057101A (en) * | 2015-08-17 | 2015-11-18 | 中国重型机械研究院股份公司 | Cylindrical vertical wet-type explosion-proof and voltage-resistant electric precipitator |
| CN205517074U (en) * | 2016-02-03 | 2016-08-31 | 江门市同力环保科技有限公司 | Carry effect type wet -type electrostatic precipitator defogging device |
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2016
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3175082U (en) * | 2012-02-08 | 2012-04-19 | 株式会社日立プラントテクノロジー | Wet electrostatic precipitator |
| CN202538927U (en) * | 2012-04-24 | 2012-11-21 | 山东大学 | Downstream wet electrostatic precipitator |
| CN203090630U (en) * | 2013-03-18 | 2013-07-31 | 广州市天赐三和环保工程有限公司 | Flue gas demisting device for desulfurization tower |
| CN105057101A (en) * | 2015-08-17 | 2015-11-18 | 中国重型机械研究院股份公司 | Cylindrical vertical wet-type explosion-proof and voltage-resistant electric precipitator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3845291A1 (en) * | 2019-12-31 | 2021-07-07 | ALLSWELL Co., Ltd. | Apparatus for removing moisture from exhaust gas |
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| CN105561726A (en) | 2016-05-11 |
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Denomination of invention: An Efficient Wet Electrostatic Precipitation and Mist Removal Device Effective date of registration: 20221121 Granted publication date: 20180817 Pledgee: Agricultural Bank of China Limited Jiangmen Xinhui Sub branch Pledgor: JIANGMEN TONGLI ENVIRONMENTAL PROTECTION TECHNOLOGY CO.,LTD. Registration number: Y2022440000305 |
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