CN108580044A - A kind of high-efficiency environment friendly plant gas dust removal and filtration equipment - Google Patents
A kind of high-efficiency environment friendly plant gas dust removal and filtration equipment Download PDFInfo
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- CN108580044A CN108580044A CN201810490817.XA CN201810490817A CN108580044A CN 108580044 A CN108580044 A CN 108580044A CN 201810490817 A CN201810490817 A CN 201810490817A CN 108580044 A CN108580044 A CN 108580044A
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- pipe
- treatment box
- air inlet
- cleaning case
- environment friendly
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- 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
- B03C3/017—Combinations of electrostatic separation with other processes, not otherwise provided for
-
- 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
- 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
- B01D53/007—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 by irradiation
-
- 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
- B01D53/26—Drying gases or vapours
- B01D53/263—Drying gases or vapours by absorption
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/91—Bacteria; Microorganisms
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/80—Employing electric, magnetic, electromagnetic or wave energy, or particle radiation
- B01D2259/804—UV light
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Separation Of Particles Using Liquids (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention discloses a kind of high-efficiency environment friendly plant gas dust removal and filtration equipment, including air inlet pipe, treatment box, blow-off pipe, air bag, air filtering plate, fine dust cleaning case, drying box, water tank, sparge pipe, spray disk and ultraviolet lamp, the treatment box bottom end side wall is connected to air inlet pipe, air inlet pipe outlet end is equipped with spiral air inlet, treatment box bottom end bottom end is equipped with air bag, air filtering plate is equipped in treatment box, water tank is equipped with sparge pipe, sparge pipe outlet end is equipped with spray disk, it sprays disk side wall and is equipped with Discharging bent-tube, it handles chamber interior wall and ultraviolet lamp is installed, treatment box side wall installs overflow pipe, treatment box top is equipped with fine dust cleaning case and drying box, fine dust cleaning case is internally provided with electrostatic precipitation plate, fine dust cleaning case is connect by cooling gas check valve with exhaust pipe.The present invention, which facilitates, removes dust particles in flue gas, improves working efficiency and effect, and water reflux continues cycling through use, economizes on resources, simple in structure, easy to use, is conducive to promote.
Description
Technical field
The present invention relates to a kind of field of environment protection, specifically a kind of high-efficiency environment friendly plant gas dust removal and filtration equipment.
Background technology
Environmental pollution can cause directly to destroy and influence to the ecosystem, such as desertification, forest deterioration, can also give ecology
System and human society cause indirectly to endanger, and the hazard ratio of sometimes this indirect environmental effect directly endangered caused by that time
Bigger is also more difficult to eliminate.For example, greenhouse effects, acid rain and depletion of the ozone layer are exactly the Environmental Effect derived by atmosphere pollution
It answers.This environmental effect derived from environmental pollution has hysteresis quality, often is not easy to be noticeable or in advance at that time what pollution occurred
Expect, however once means that environmental pollution has evolved to quite serious stage.Certainly, environmental pollution is most straight
Connect, be easiest to by the consequence that people is experienced be that the quality of human environment is made to decline, influence the quality of life of the mankind, health and
Production activity.Such as the air pollution in city causes air dirty, incidence rising of people etc.；Water pollution makes water environment matter
Amount deteriorates, and the quality of drinking water source is generally reduced, threatens the health of people, cause fetus premature labor or deformity etc..It is serious
Contamination accident not only brings health problem, also results in social concern.With the raising of the aggravation and people's environmental consciousness of pollution, by
Crowd's dispute caused by pollution and conflict increase year by year.Environmental protection equipment refer to for controlling environmental pollution, environment-friendly active charcoal changes
It is apt to environmental quality and has production unit or the manufacture of construction and installation unit and build engineering goods, structures and the system come.Ring
It has been very urgent thing that border, which is administered, we should more focus on environmental protection.Contain in the exhaust gas discharge that existing factory generates
There are a large amount of dust particles, dust particles to be easy to cause haze, while influencing the respiratory tract safety and health of people, to environment
With creating a great impression for people.
Invention content
The purpose of the present invention is to provide a kind of high-efficiency environment friendly plant gas dust removal and filtration equipment, to solve above-mentioned background skill
The problem of being proposed in art.
To achieve the above object, the present invention provides the following technical solutions：
A kind of high-efficiency environment friendly plant gas dust removal and filtration equipment, including air inlet pipe, treatment box, blow-off pipe, air bag, air filtering plate, overflow
Water pipe, electrostatic precipitation plate, fine dust cleaning case, drying box, exhaust pipe, water tank, sparge pipe, spray disk and ultraviolet lamp, it is described
Treatment box bottom end side wall is connected to air inlet pipe, and aspiration pump is installed in air inlet pipe, and air inlet pipe outlet end is equipped with spiral air inlet, processing
Bottom end is provided tiltedly with guide plate, and guide plate least significant end is equipped with blow-off pipe, and treatment box bottom end bottom end is equipped with air bag, 3 top for the treatment of box peace
Air pressure adjustment pump 28 is filled, is internally provided with air filtering plate 9 in treatment box 3, air filtering plate 9 is uniformly provided with multigroup venthole 10, in treatment box 3
Mounting rotary electric machine 25,25 output shaft of electric rotating machine are connect with shaft 26, and shaft 26 is equipped with stirring blade 27, and water tank is equipped with
Sparge pipe, sparge pipe outlet end are equipped with spray disk, and spray disk side wall is equipped with Discharging bent-tube, and processing chamber interior wall installs ultraviolet lamp, place
It manages case side wall and overflow pipe is installed, treatment box top is equipped with fine dust cleaning case and drying box, treatment box, drying box, fine dust cleaning case
It is sequentially communicated by cooling gas check valve, fine dust cleaning case is internally provided with electrostatic precipitation plate, and fine dust cleaning case passes through cooling gas check valve
Connect with exhaust pipe, gas particles detector be installed on exhaust pipe, muffler one end connect with exhaust pipe, the muffler other end and
Air inlet pipe connects.
As a further solution of the present invention：The air inlet pipe is equipped with control valve.
As further scheme of the invention：Gas flowmeter is installed in the air inlet pipe.
As further scheme of the invention：The spiral air inlet is arranged inside treatment box.
As further scheme of the invention：Booster pump is installed on the sparge pipe.
As further scheme of the invention：10 fold-line-shaped of the venthole setting, venthole 10 are internally provided with brush
Hair 24.
As further scheme of the invention：The spray disk is arranged above air filtering plate.
Compared with prior art, the beneficial effects of the invention are as follows：Aspiration pump of the present invention enters conducive to flue gas, passes through control valve
Speed and the time of air inlet are controlled, air inlet can also be interrupted according to actual conditions, be conducive to the processing of flue gas flue dust, spiral air inlet
Facilitate spirally inlet air, conducive to being sufficiently mixed for cigarette and water, facilitates water by under the bulky grain filtering in flue gas, pumped by air pressure adjustment
Air pressure in control cabinet ensures most suitable air pressure when exhaust-gas treatment, while ensureing safety, and flue gas passes through folding by air filtering plate
Linear venthole reduces the speed that flue gas enters, respectively the processing of follow-up flue gas, improves working efficiency and effect, will by bristle
Bulky grain flue dust in flue gas stops, and facilitates the processing of flue gas, and particle is slided from blow-off pipe by guide plate and is discharged after the completion of processing,
It is deflated by airbag aeration and controls the height of bottom surface liquid level, water is facilitated to filter, electric rotating machine drives shaft and stirring blade rotation to stir
It mixes, accelerate exhaust gas and water and mixes, improve the effect of water filter, improve working efficiency and effect, by sparge pipe and spray disk by water
Water high speed sprays in case, and Discharging bent-tube is conducive to side wall and sprays water, facilitates flue dust in flue gas to be coagulated together with water mist, in gravity
Effect is lower to fall, and further removes dust particles in flue gas, improves working efficiency and effect, water passes through list with smoke mixture
Leak down to water-through valve, ultraviolet lamp carries out poisoning bacterium of going out to flue gas, avoids the breed and spread of harmful substance, improves safety
Property, the discharge that overflow pipe is conducive to multi-effluent absorbs moisture therein by drying box to gas dry, passes through electrostatic precipitation plate
Electrostatic Absorption is carried out to the little particle dust in gas, reaches further dust removing effects, the detection discharge of gas particles detector
The concentration of soot dust granule in gas is flowed back by muffler if unqualified and continues circular treatment in air inlet pipe, simple in structure,
It is easy to use, it is conducive to promote.
Description of the drawings
Fig. 1 is the structural schematic diagram of high-efficiency environment friendly plant gas dust removal and filtration equipment.
Fig. 2 is the connection diagram of fine dust cleaning case and drying box in high-efficiency environment friendly plant gas dust removal and filtration equipment.
Fig. 3 is the structural schematic diagram that disk is sprayed in high-efficiency environment friendly plant gas dust removal and filtration equipment.
Fig. 4 is the structural schematic diagram that disk is sprayed in high-efficiency environment friendly plant gas dust removal and filtration equipment.
In figure：1, air inlet pipe, 2, gas flowmeter, 3, treatment box, 4, guide plate, 5, aspiration pump, 6, blow-off pipe, 7, spiral into
Tracheae, 8, air bag, 9, air filtering plate, 10, venthole, 11, overflow pipe, 12, electrostatic precipitation plate, 13, fine dust cleaning case, 14, dry
Case, 15, exhaust pipe, 16, gas particles detector, 17, muffler, 18, water tank, 19, sparge pipe, 20, booster pump, 21, spray disk,
22, ultraviolet lamp, 23, Discharging bent-tube, 24, bristle, 25, electric rotating machine, 26, shaft, 27, stirring blade, 28, air pressure adjustment
Pump.
Specific implementation mode
The technical solution of this patent is described in more detail With reference to embodiment.
Please refer to Fig.1-4, a kind of high-efficiency environment friendly plant gas dust removal and filtration equipment, including air inlet pipe 1, treatment box 3, blowdown
Pipe 6, air bag 8, air filtering plate 9, overflow pipe 11, electrostatic precipitation plate 12, fine dust cleaning case 13, drying box 14, exhaust pipe 15, water tank
18, sparge pipe 19, spray disk 21 and ultraviolet lamp 22, the 3 bottom end side wall for the treatment of box is connected to air inlet pipe 1, in air inlet pipe 1
Gas flowmeter 2 is installed, air inlet pipe 1 is equipped with control valve, aspiration pump 5 is installed in air inlet pipe 1, and 1 outlet end of air inlet pipe is equipped with spiral shell
Precession tracheae 7, spiral air inlet 7 are arranged inside treatment box 3, and aspiration pump 5 enters conducive to flue gas, and air inlet is controlled by control valve
Speed and the time, air inlet can also be interrupted according to actual conditions, be conducive to the processing of flue gas flue dust, spiral air inlet 7 facilitates spiral shell
Precession gas facilitates water by under the bulky grain filtering in flue gas, 3 bottom end for the treatment of box is provided tiltedly with conducive to being sufficiently mixed for cigarette and water
Guide plate 4,4 least significant end of guide plate are equipped with blow-off pipe 6, and particle is slided from blow-off pipe 6 by guide plate 4 and is discharged after the completion of processing, treatment box 3
Bottom end bottom end is equipped with air bag 8, and the height for control bottom surface liquid level of deflating is inflated by air bag 8, water is facilitated to filter, 3 top for the treatment of box peace
Air pressure adjustment pump 28 is filled, air pressure in 28 control cabinets is pumped by air pressure adjustment, ensures most suitable air pressure when exhaust-gas treatment, protects simultaneously
Safety is demonstrate,proved,
Air filtering plate 9 is internally provided in treatment box 3, air filtering plate 9 is uniformly provided with multigroup venthole 10, and 10 fold-line-shaped of venthole is arranged,
Venthole 10 is internally provided with bristle 24, and flue gas reduces the speed that flue gas enters by air filtering plate 9, by fold-line-shaped venthole 10,
The processing of follow-up flue gas respectively improves working efficiency and effect, is stopped the bulky grain flue dust in flue gas by bristle 24, convenient
The processing of flue gas,
Mounting rotary electric machine 25 in treatment box 3,25 output shaft of electric rotating machine are connect with shaft 26, and shaft 26 is equipped with stirring blade
27, electric rotating machine 25 drives shaft 26 and the rotation stirring of stirring blade 27, accelerates exhaust gas and water and mixes, and improves the effect that water is filtered
Fruit improves working efficiency and effect,
Water tank 18 is equipped with sparge pipe 19, and 19 outlet end of sparge pipe is equipped with spray disk 21, installs booster pump 20 on sparge pipe 19, spray disk
21 are arranged above air filtering plate 9, and spray 21 side wall of disk is equipped with Discharging bent-tube 23, by sparge pipe 19 and spray disk 21 by water in water tank 18
High speed sprays, and Discharging bent-tube 23 is conducive to side wall and sprays water, facilitates flue dust in flue gas to be coagulated together with water mist, in the effect of gravity
Lower whereabouts, further removes dust particles in flue gas, improves working efficiency and effect, and 3 inner wall for the treatment of box installs ultraviolet
Lamp 22, ultraviolet lamp 22 carry out poisoning bacterium of going out to flue gas, avoid the breed and spread of harmful substance, improve safety, processing
3 side wall of case installs overflow pipe 11, and overflow pipe 11 is conducive to the discharge of multi-effluent, and 3 top for the treatment of box is equipped with fine dust cleaning case 13 and does
Dry case 14, treatment box 3, drying box 14, fine dust cleaning case 13 are sequentially communicated by cooling gas check valve, are set inside fine dust cleaning case 13
There is electrostatic precipitation plate 12, by drying box 14 to gas dry, moisture therein is absorbed, by electrostatic precipitation plate 12 in gas
Little particle dust carry out Electrostatic Absorption, reach further dust removing effects, fine dust cleaning case 13 passes through cooling gas check valve and row
Tracheae 15 connects, and installation gas particles detector 16 on exhaust pipe 15,17 one end of muffler is connect with exhaust pipe 15, muffler 17
The other end is connect with air inlet pipe 1, and the concentration of soot dust granule is led to if unqualified in the detection discharge gas of gas particles detector 16
It crosses muffler 17 and flows back into air inlet pipe 1 and continue circular treatment.
The present invention operation principle be：Aspiration pump of the present invention enters conducive to flue gas, and the speed of air inlet is controlled by control valve
And the time, air inlet can also be interrupted according to actual conditions, be conducive to the processing of flue gas flue dust, spiral air inlet facilitates spirally inlet air,
Conducive to being sufficiently mixed for cigarette and water, facilitates water by under the bulky grain filtering in flue gas, air pressure in control cabinet is pumped by air pressure adjustment,
Ensure most suitable air pressure when exhaust-gas treatment, while ensureing safety, flue gas is reduced by air filtering plate by fold-line-shaped venthole
The speed that flue gas enters, the respectively processing of follow-up flue gas, improves working efficiency and effect, by bristle by the bulky grain in flue gas
Flue dust stops, and facilitates the processing of flue gas, and particle is slided from blow-off pipe by guide plate and is discharged after the completion of processing, is put by airbag aeration
The height of gas control bottom surface liquid level, facilitates water to filter, and electric rotating machine drives shaft and stirring blade rotation stirring, accelerates exhaust gas and water
And mixing, the effect of water filter is improved, working efficiency and effect are improved, is sprayed Water in Water Tanks high speed by sparge pipe and spray disk,
Discharging bent-tube is conducive to side wall and sprays water, facilitates flue dust in flue gas to be coagulated together with water mist, falls under gravity, into one
Step removes dust particles in flue gas, improves working efficiency and effect, water are leaked down with smoke mixture by unidirectional water-through valve, purple
Outer linear light lamp carries out poisoning bacterium of going out to flue gas, avoids the breed and spread of harmful substance, improves safety, and overflow pipe is conducive to have more
The discharge of water absorbs moisture therein by drying box to gas dry, by electrostatic precipitation plate to the little particle powder in gas
Dirt carries out Electrostatic Absorption, reaches further dust removing effects, and soot dust granule is dense in gas particles detector detection discharge gas
Degree, if unqualified, flowed back by muffler and continues circular treatment in air inlet pipe.
The better embodiment of this patent is explained in detail above, but this patent is not limited to above-mentioned embodiment party
Formula, one skilled in the relevant art within the scope of knowledge, can also be under the premise of not departing from this patent objective
It makes a variety of changes.
Claims (7)
1. a kind of high-efficiency environment friendly plant gas dust removal and filtration equipment, including air inlet pipe（1）, treatment box（3）, blow-off pipe（6）, air bag
（8）, air filtering plate（9）, overflow pipe（11）, electrostatic precipitation plate（12）, fine dust cleaning case（13）, drying box（14）, exhaust pipe（15）、
Water tank（18）, sparge pipe（19）, spray disk（21）With ultraviolet lamp（22）, which is characterized in that the treatment box（3）Bottom end side
Wall and air inlet pipe（1）Connection, air inlet pipe（1）Upper installation aspiration pump（5）, air inlet pipe（1）Outlet end is equipped with spiral air inlet（7）,
Treatment box（3）Bottom end is provided tiltedly with guide plate（4）, guide plate（4）Least significant end is equipped with blow-off pipe（6）, treatment box（3）Bottom end bottom end is equipped with
Air bag（8）, treatment box（3）Top is installed by air pressure adjustment pump（28）, treatment box（3）In be internally provided with air filtering plate（9）, air filtering plate
（9）It is uniformly provided with multigroup venthole（10）, treatment box（3）Interior mounting rotary electric machine（25）, electric rotating machine（25）Output shaft with turn
Axis（26）Connection, shaft（26）It is equipped with stirring blade（27）, water tank（18）It is equipped with sparge pipe（19）, sparge pipe（19）Outlet
End is equipped with spray disk（21）, spray disk（21）Side wall is equipped with Discharging bent-tube（23）, treatment box（3）Inner wall installs ultraviolet lamp（22）,
Treatment box（3）Side wall installs overflow pipe（11）, treatment box（3）Top is equipped with fine dust cleaning case（13）And drying box（14）, processing
Case（3）, drying box（14）, fine dust cleaning case（13）It is sequentially communicated by cooling gas check valve, fine dust cleaning case（13）It is internally provided with
Electrostatic precipitation plate（12）, fine dust cleaning case（13）Pass through cooling gas check valve and exhaust pipe（15）Connection, exhaust pipe（15）Upper installation
Gas particles detector（16）, muffler（17）One end and exhaust pipe（15）Connection, muffler（17）The other end and air inlet pipe（1）
Connection.
2. high-efficiency environment friendly plant gas dust removal and filtration equipment according to claim 1, which is characterized in that the air inlet pipe
（1）It is equipped with control valve.
3. high-efficiency environment friendly plant gas dust removal and filtration equipment according to claim 1, which is characterized in that the air inlet pipe
（1）Upper installation gas flowmeter（2）.
4. high-efficiency environment friendly plant gas dust removal and filtration equipment according to claim 1, which is characterized in that the spiral into
Tracheae（7）It is arranged in treatment box（3）It is internal.
5. according to claim（1）The high-efficiency environment friendly plant gas dust removal and filtration equipment, which is characterized in that sparge pipe（19）
Upper installation booster pump（20）.
6. high-efficiency environment friendly plant gas dust removal and filtration equipment according to claim 1, which is characterized in that the venthole
（10）Fold-line-shaped is arranged, venthole（10）It is internally provided with bristle（24）.
7. high-efficiency environment friendly plant gas dust removal and filtration equipment according to claim 1, which is characterized in that the spray disk
（21）It is arranged in air filtering plate（9）Top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810490817.XA CN108580044A (en) | 2018-05-21 | 2018-05-21 | A kind of high-efficiency environment friendly plant gas dust removal and filtration equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810490817.XA CN108580044A (en) | 2018-05-21 | 2018-05-21 | A kind of high-efficiency environment friendly plant gas dust removal and filtration equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108580044A true CN108580044A (en) | 2018-09-28 |
Family
ID=63632547
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810490817.XA Pending CN108580044A (en) | 2018-05-21 | 2018-05-21 | A kind of high-efficiency environment friendly plant gas dust removal and filtration equipment |
Country Status (1)
| Country | Link |
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| CN (1) | CN108580044A (en) |
Cited By (4)
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| CN109200724A (en) * | 2018-10-30 | 2019-01-15 | 湖南城头山红薯食品科技有限公司 | A kind of boiler combustion tail gas purifying device |
| CN112044203A (en) * | 2020-10-22 | 2020-12-08 | 盐城市科瑞达科技咨询服务有限公司 | Industrial environment-friendly dust removal device |
| CN112403159A (en) * | 2020-11-06 | 2021-02-26 | 马鞍山科宇环境工程有限公司 | Automatic change dust collector |
| CN116532239A (en) * | 2023-05-08 | 2023-08-04 | 上海市政工程设计研究总院（集团）有限公司 | Pretreatment equipment and dust removal system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109200724A (en) * | 2018-10-30 | 2019-01-15 | 湖南城头山红薯食品科技有限公司 | A kind of boiler combustion tail gas purifying device |
| CN112044203A (en) * | 2020-10-22 | 2020-12-08 | 盐城市科瑞达科技咨询服务有限公司 | Industrial environment-friendly dust removal device |
| CN112403159A (en) * | 2020-11-06 | 2021-02-26 | 马鞍山科宇环境工程有限公司 | Automatic change dust collector |
| CN116532239A (en) * | 2023-05-08 | 2023-08-04 | 上海市政工程设计研究总院（集团）有限公司 | Pretreatment equipment and dust removal system |
| CN116532239B (en) * | 2023-05-08 | 2024-04-16 | 上海市政工程设计研究总院（集团）有限公司 | Pretreatment equipment and dust removal system |
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Application publication date: 20180928 |