CN106731256A - Cyclone condensing high-efficiency dust remover - Google Patents
Cyclone condensing high-efficiency dust remover Download PDFInfo
- Publication number
- CN106731256A CN106731256A CN201710041569.6A CN201710041569A CN106731256A CN 106731256 A CN106731256 A CN 106731256A CN 201710041569 A CN201710041569 A CN 201710041569A CN 106731256 A CN106731256 A CN 106731256A
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- Prior art keywords
- condensation
- cyclone
- perforated plate
- pipe
- cylinder
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Classifications
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- 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
- B01D45/12—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces
- B01D45/16—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces generated by the winding course of the gas stream, the centrifugal forces being generated solely or partly by mechanical means, e.g. fixed swirl vanes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D5/00—Condensation of vapours; Recovering volatile solvents by condensation
- B01D5/0003—Condensation of vapours; Recovering volatile solvents by condensation by using heat-exchange surfaces for indirect contact between gases or vapours and the cooling medium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D5/00—Condensation of vapours; Recovering volatile solvents by condensation
- B01D5/0027—Condensation of vapours; Recovering volatile solvents by condensation by direct contact between vapours or gases and the cooling medium
-
- 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
- B01D50/10—Combinations of devices covered by groups B01D45/00, B01D46/00 and B01D47/00
-
- 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
- B01D53/002—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 condensation
-
- 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
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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)
- Cyclones (AREA)
Abstract
The present invention relates to a kind of deduster, specifically related to a kind of cyclone condensing high-efficiency dust remover, including cylinder (1), cylinder (1) top connects chimney (6) by house outlet short circuit part (5), the top of cylinder (1) sets condensation deduster (4), and correspondence condensation deduster (4) sets cyclone dust (24) in the bottom of cylinder (1).Simple structure of the present invention, it is reasonable in design, dedusting twice is carried out by cyclone dust and condensation deduster, the thorough removing of crystallization dirt is ensure that, dust removing effects are improve, crystallization dirt is effectively prevent to the pollution of environment and the corrosion of equipment, operating cost is low, with stronger practicality.
Description
Technical field
The present invention relates to a kind of deduster, and in particular to a kind of cyclone condensing high-efficiency dust remover.
Background technology
At present, the industrial boiler desulfurizing system of the industry such as electric power, chemical industry and machinery is most of all uses limestone-gypsum
Wet method or magnesium oxide method sulfur removal technology.In sweetening process, the desulfurizing agent and temperature flue gas higher sprayed by nozzle atomization
In SO2 chemically reacted, react generation calcium sulfate, magnesium sulfate molecule crystalline solid saturation water molecule carrying
Under air is drained into together with flue gas so that desulphurization reaction formed subparticle crystalline solid cause secondary smoke discharge it is exceeded,
It is this because desulfurization produce subparticle crystalline solid referred to as " desulfurization dirt ", due in flue gas contain more moist steam, while taking
With " desulfurization dirt ", therefore can run into cold air and will condense into water droplet in chimney breast and descend slowly and lightly to ground, formed gypsum rain or
Acid rain, pollution, or even etching apparatus are produced to boiler chimney and surrounding enviroment.Because " desulfurization dirt " and hydrone are closely combined
Together, a saturation moist steam micel is constituted, is unable to carry out dedusting with sack cleaner, at present, " desulfurization dirt " is main
Dedusting is carried out using wet electric cleaner, it is not only relatively costly, and enforcement difficulty is larger, therefore also solved without effective ways de-
Sulphur dirt problem.
The content of the invention
According to deficiency of the prior art above, the problem to be solved in the present invention is：A kind of simple structure is provided, design is closed
Reason, the elimination effect of desulfurization dirt is good, can avoid desulfurization dirt to the pollution of environment and the corrosion of equipment and the low rotation of operating cost
Stream condensation high-efficiency dust remover.
The technical solution adopted for the present invention to solve the technical problems is：
Described cyclone condensing high-efficiency dust remover, including cylinder, the top of cylinder set condensation deduster, and correspondence condensation is removed
Dirt device sets cyclone dust in the bottom of cylinder.
When the flue gas after to desulfurization is processed, the cyclone dust for first passing through bottom enters cyclone condensing high-efficiency dust remover
Row one-time dedusting, then carries out final dusting by the condensation deduster on top, substantially increases the dust removing effects of desulfurization dirt, knot
Structure is simple, reasonable in design, pollution and the corrosion of equipment to environment after desulfurization dirt is discharged is effectively prevent, with relatively low operation
Cost.
Further preferred, condensation deduster includes condensation upper perforated plate and condenses lower perforated plate, under condensation upper perforated plate and condensation
Condensation deduster condenser pipe is welded between tube sheet, the two ends of correspondence condensation deduster condenser pipe are respectively in condensation upper perforated plate and condensation
Through hole is opened up on lower perforated plate, condensation core pipe is set in condensation deduster condenser pipe, helical blade is set in condensation core pipe, correspondence is cold
Solidifying deduster sets condensation core pipe main water outlet pipe and condensation core pipe water inlet main pipe with lower section above it, condenses core pipe main water outlet pipe
The two ends for condensing core pipe are connected by connecting flexible pipe respectively with condensation core pipe water inlet main pipe, outside the condensation deduster condenser pipe
The cavity that the inner side of side, the inner side of condensation upper perforated plate and condensation lower perforated plate and cylinder is constituted forms condensation hydroecium, and correspondence is cold
Solidifying hydroecium is respectively provided with condensation hydroecium water inlet and condensation hydroecium delivery port on cylinder.By condensing core pipe and condensing hydroecium
Cooperation carries out cooling simultaneously, improves the cooling effect on cylinder top, desulfurization dirt can be made constantly to condense into liquid and discharged, it is to avoid
Desulfurization dirt discharge pollution on the environment, improves the dust removing effects of desulfurization dirt.
It is further that preferably cyclone dust includes cyclone upper perforated plate and cyclone lower perforated plate, cyclone upper perforated plate and
Cyclone dust condenser pipe is set between cyclone lower perforated plate, and correspondence cyclone dust condenser pipe two ends are managed on cyclone respectively
Opened up on plate and cyclone lower perforated plate and cyclone core pipe is set in through hole, cyclone dust condenser pipe, set in cyclone core pipe
Blade, the outside of the cyclone dust condenser pipe, the inner side of cyclone upper perforated plate and cyclone lower perforated plate and cylinder it is interior
The cavity that side is constituted forms cooling water chamber, and correspondence cooling water chamber is respectively provided with cooling water chamber water inlet and cooling water on cylinder
Room delivery port.The rough dusting of desulfurization dirt is carried out by cyclone dust, it is ensured that the dust removing effects of deduster.
It is further preferably, at the top of cylinder to pass through house outlet short circuit part connection chimney.The gas after dedusting is facilitated to arrange
Go out.
Further preferred, condensation upper perforated plate and condensation lower perforated plate are fixed in cylinder by condensing support.It is fixed conveniently,
Good stability.
Further preferred, cyclone upper perforated plate and cyclone lower perforated plate are fixed in cylinder by cyclone support.Gu
It is fixed convenient, good stability.
Further preferred, condensation core pipe is mutually welded with helical blade and is sleeved in condensation deduster condenser pipe.Fixation side
Just, good stability.
Further preferred, cyclone core pipe and blade are welded in cyclone dust condenser pipe.It is fixed conveniently, stability
It is good.
Further preferably to condense core pipe main water outlet pipe and condensation hydroecium delivery port connection cooling tower, cooling tower is by cold
But water pump connection condenses core pipe water inlet main pipe and condensation hydroecium water inlet.Convenient regulation cooling water inflow size and cooling water temperature,
Dust removing effects are ensure that, meanwhile, cooling water can be recycled, and reduce the operating cost of equipment.
Further preferably cooling water chamber delivery port connects cooling tower, and cooling tower connects cooling water chamber by cooling water pump
Water inlet.Convenient regulation cooling water inflow size and cooling water temperature, ensure that dust removing effects, meanwhile, cooling water can be circulated
Utilize, reduce the operating cost of equipment.
The present invention is had an advantageous effect in that：
Cyclone condensing high-efficiency dust remover of the present invention carries out one-time dedusting by cyclone dust, by condensing dedusting
Device carries out final dusting, ensure that the thorough removing of desulfurization dirt, with preferable dust removing effects, effectively prevent desulfurization dirt pair
The pollution of environment and the corrosion of equipment, simple structure are reasonable in design, and operating cost is low, with stronger practicality.
Brief description of the drawings
Fig. 1 is structural representation of the invention；
Fig. 2 is A-A diagrams of the invention；
Fig. 3 is B-B diagrams of the invention；
Wherein, 1, cylinder；2nd, support is condensed；3rd, hydroecium delivery port is condensed；4th, deduster is condensed；5th, house outlet short circuit
Part；6th, chimney；7th, flexible pipe is connected；8th, core pipe main water outlet pipe is condensed；9th, core pipe is condensed；10th, helical blade；11st, deduster is condensed
Condenser pipe；12nd, hydroecium is condensed；13rd, hydroecium water inlet is condensed；14th, condensation core pipe water inlet main pipe；15th, cyclone upper perforated plate；16、
Cyclone dust condenser pipe；17th, cooling water chamber；18th, cyclone core pipe；19th, blade；20th, cyclone lower perforated plate；21st, cyclone
Support；22nd, cooling water chamber delivery port；23rd, cooling water chamber water inlet；24th, cyclone dust；25th, lower perforated plate is condensed；26th, condense
Upper perforated plate.
Specific embodiment
Embodiments of the invention are described further below in conjunction with the accompanying drawings：
As Figure 1-3, cyclone condensing high-efficiency dust remover of the present invention, including cylinder 1, the top of cylinder 1 is by removing
Dirt device outlet short circuit part 5 connects chimney 6, and the top of cylinder 1 sets condensation deduster 4, and correspondence condensation deduster 4 is in cylinder 1
Bottom sets cyclone dust 24.
Described condensation deduster 4 includes condensation upper perforated plate 26 and condensation lower perforated plate 25, under condensation upper perforated plate 26 and condensation
Tube sheet 25 is fixed in cylinder 1 by condensing support 2, and condensation deduster is welded between condensation upper perforated plate 26 and condensation lower perforated plate 25
Condenser pipe 11, the two ends of correspondence condensation deduster condenser pipe 11 open up logical on condensation upper perforated plate 26 and condensation lower perforated plate 25 respectively
Hole, sets condensation core pipe 9 in condensation deduster condenser pipe 11, helical blade 10 is set in condensation core pipe 9, condenses core pipe 9 and spiral shell
Vane piece 10 is mutually welded and is sleeved in condensation deduster condenser pipe 11, and correspondence condensation deduster 4 sets cold with lower section above it
Solidifying core pipe main water outlet pipe 8 and condensation core pipe water inlet main pipe 14, condensation core pipe main water outlet pipe 8 and condensation core pipe water inlet main pipe 14 are distinguished
The two ends of condensation core pipe 9, the outside of the condensation deduster condenser pipe 11, condensation upper perforated plate 26 and are connected by connecting flexible pipe 7
The cavity that the inner side of the inner side and cylinder 1 that condense lower perforated plate 25 is constituted forms condensation hydroecium 12, and correspondence condensation hydroecium 12 exists
Condensation hydroecium water inlet 13 and condensation hydroecium delivery port 3 are respectively provided with cylinder 1.
Described cyclone dust 24 includes cyclone upper perforated plate 15 and cyclone lower perforated plate 20, the He of cyclone upper perforated plate 15
Cyclone lower perforated plate 20 is fixed in cylinder 1 by cyclone support 21, cyclone upper perforated plate 15 and cyclone lower perforated plate 20 it
Between cyclone dust condenser pipe 16 is set, the two ends of correspondence cyclone dust condenser pipe 16 are respectively in cyclone upper perforated plate 15 and eddy flow
Opened up on device lower perforated plate 20 and cyclone core pipe 18 is set in through hole, cyclone dust condenser pipe 16, set in cyclone core pipe 18
Blade 19, cyclone core pipe 18 and blade 19 are welded in cyclone dust condenser pipe 16, the cyclone dust condenser pipe 16
The cavity that is constituted of inner side in outside, the inner side of cyclone upper perforated plate 15 and cyclone lower perforated plate 20 and cylinder 1 form cold
But hydroecium 17, correspond to cooling water chamber 17 and cooling water chamber water inlet 23 and cooling water chamber delivery port 22 are respectively provided with cylinder 1.
Described condensation core pipe main water outlet pipe 8 and condensation hydroecium delivery port 3 connects cooling tower, and cooling tower passes through cooling water pump
Connection condensation core pipe water inlet main pipe 14 and condensation hydroecium water inlet 13, the connection cooling tower of cooling water chamber delivery port 22, cooling tower lead to
Supercooling water pump connection cooling water chamber water inlet 23.
Operation principle of the invention and use process：
When in use, the flue gas after desulfurization enters rotation to described cyclone condensing high-efficiency dust remover from the bottom of cylinder 1 first
In stream deduster 24, when in cyclone dust 24 by the blade 19 of the cyclone dust with certain angle, after desulfurization
Flue gas is that the center of circle produces rotation and the air flow for rising, flue gas to be touched in rotation and uphill process with cyclone core pipe 18
During the inwall of cooled blade 19 or cyclone dust condenser pipe 16, moist steam and desulfurization dirt micel will coagulate to the cold
Knot, moist steam and desulfurization dirt micel are constantly clashing into and are becoming liquid and weight increase in condensation process, and its weight is more than
During the lifting force of flue gas, moist steam and desulfurization dirt will together fall with drop.Other non-condensing moist steams and desulfurization dirt point
Son group continues to rise, and is entered into condensation deduster 4 by the bottom for condensing deduster 4, and moist steam and desulfurization dirt micel exist
Spiral under the guiding of helical blade 10, moist steam and desulfurization dirt micel constantly contact spiral during spiral
The inwall of blade 10 and condensation deduster condenser pipe 11, the cooling that can be cooled constantly condenses into liquid, falls along tube wall.
Described cooling water is divided into three tunnels, and a route eddy flow cooling water chamber water inlet 23 enters into eddy flow cooling water chamber 17
It is interior, by eddy flow cooling water chamber water outlet after cyclone dust condenser pipe 16 draws the heat of moist steam and desulfurization dirt micel
Mouth 22 is discharged；After one route condensed water room water inlet 13 enters into condensation hydroecium 12, drawn by condensing deduster condenser pipe 11
Discharged by condensing hydroecium delivery port 3 after the heat of moist steam and desulfurization dirt micel；Another route condensation core pipe water inlet main pipe
14 enter in condensation core pipe 9, after helical blade 10 and moist steam and desulfurization dirt micel carry out heat exchange cooling, by condensation core
Pipe main water outlet pipe 8 is discharged.
Simple structure of the present invention, it is reasonable in design, by dedusting twice, the thorough removing of desulfurization dirt is can effectively ensure that, greatly
Improve dust removing effects greatly, it is to avoid, to the pollution of environment and the corrosion of equipment, operating cost is low, with stronger reality for desulfurization dirt
The property used.
The present invention is not limited in above-mentioned specific embodiment, and those of ordinary skill in the art are in essential scope of the invention
Change, remodeling, addition or the replacement inside made, should also belong to protection scope of the present invention.
Claims (10)
1. a kind of cyclone condensing high-efficiency dust remover, including cylinder (1), it is characterised in that：The top of cylinder (1) sets condensation dedusting
Device (4), correspondence condensation deduster (4) sets cyclone dust (24) in the bottom of cylinder (1).
2. cyclone condensing high-efficiency dust remover according to claim 1, it is characterised in that：Described condensation deduster (4) bag
Condensation upper perforated plate (26) and condensation lower perforated plate (25) are included, condensation is welded between condensation upper perforated plate (26) and condensation lower perforated plate (25) and is removed
Dirt device condenser pipe (11), the two ends of correspondence condensation deduster condenser pipe (11) are respectively in condensation upper perforated plate (26) and condensation lower perforated plate
(25) through hole is opened up on, condensation core pipe (9) is set in condensation deduster condenser pipe (11), helical-blade is set in condensation core pipe (9)
Piece (10), correspondence condensation deduster (4) sets condensation core pipe main water outlet pipe (8) with lower section above it and condensation core pipe enters jellyfish
Pipe (14), condensation core pipe main water outlet pipe (8) and condensation core pipe intake main pipe (14) respectively by connecting flexible pipe (7) connection condensation core
Manage the two ends of (9), the outside of the condensation deduster condenser pipe (11), condensation upper perforated plate (26) and condense the interior of lower perforated plate (25)
The cavity that the inner side of side and cylinder (1) is constituted forms condensation hydroecium (12), and correspondence condensation hydroecium (12) is divided on cylinder (1)
Hydroecium water inlet (13) and condensation hydroecium delivery port (3) She Zhi not condensed.
3. cyclone condensing high-efficiency dust remover according to claim 1, it is characterised in that：Described cyclone dust (24) bag
Cyclone upper perforated plate (15) and cyclone lower perforated plate (20) are included, is set between cyclone upper perforated plate (15) and cyclone lower perforated plate (20)
Cyclone dust condenser pipe (16) is put, correspondence cyclone dust condenser pipe (16) two ends are respectively in cyclone upper perforated plate (15) and rotation
Opened up on stream device lower perforated plate (20) and cyclone core pipe (18), cyclone core pipe are set in through hole, cyclone dust condenser pipe (16)
(18) blade (19) is set on, under the outside of the cyclone dust condenser pipe (16), cyclone upper perforated plate (15) and cyclone
The cavity that the inner side of tube sheet (20) and the inner side of cylinder (1) are constituted forms cooling water chamber (17), correspondence cooling water chamber (17)
Cooling water chamber water inlet (23) and cooling water chamber delivery port (22) are respectively provided with cylinder (1).
4. cyclone condensing high-efficiency dust remover according to claim 1, it is characterised in that：Described cylinder (1) top passes through
House outlet short circuit part (5) connects chimney (6).
5. cyclone condensing high-efficiency dust remover according to claim 2, it is characterised in that：Described condensation upper perforated plate (26) and
Condensation lower perforated plate (25) is fixed in cylinder (1) by condensing support (2).
6. cyclone condensing high-efficiency dust remover according to claim 3, it is characterised in that：Described cyclone upper perforated plate (15)
It is fixed in cylinder (1) by cyclone support (21) with cyclone lower perforated plate (20).
7. cyclone condensing high-efficiency dust remover according to claim 2, it is characterised in that：Described condensation core pipe (9) and spiral shell
Vane piece (10) is mutually welded and is sleeved in condensation deduster condenser pipe (11).
8. cyclone condensing high-efficiency dust remover according to claim 3, it is characterised in that：Described cyclone core pipe (18) and
Blade (19) is welded in cyclone dust condenser pipe (16).
9. cyclone condensing high-efficiency dust remover according to claim 2, it is characterised in that：Described condensation core pipe main water outlet pipe
(8) and condensation hydroecium delivery port (3) connection cooling tower, cooling tower by cooling water pump connect condensation core pipe water inlet main pipe (14) and
Condensation hydroecium water inlet (13).
10. cyclone condensing high-efficiency dust remover according to claim 3, it is characterised in that：Described cooling water chamber delivery port
(22) cooling tower is connected, cooling tower connects cooling water chamber water inlet (23) by cooling water pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710041569.6A CN106731256A (en) | 2017-01-20 | 2017-01-20 | Cyclone condensing high-efficiency dust remover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710041569.6A CN106731256A (en) | 2017-01-20 | 2017-01-20 | Cyclone condensing high-efficiency dust remover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106731256A true CN106731256A (en) | 2017-05-31 |
Family
ID=58944921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710041569.6A Withdrawn CN106731256A (en) | 2017-01-20 | 2017-01-20 | Cyclone condensing high-efficiency dust remover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106731256A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108126459A (en) * | 2017-12-29 | 2018-06-08 | 浙江纳风净化技术有限公司 | A kind of outdoor filtered host |
| CN108325275A (en) * | 2018-03-15 | 2018-07-27 | 无锡市泰新环保科技有限公司 | The combined cooling method and combined cooler of high-temperature oil gas |
| CN108889038A (en) * | 2018-09-22 | 2018-11-27 | 南京兰丰环保科技有限公司 | A kind of plume takes off white device |
| CN109865390A (en) * | 2019-04-17 | 2019-06-11 | 福建龙净环保股份有限公司 | A kind of flue gas processing device |
| CN110052053A (en) * | 2019-03-22 | 2019-07-26 | 川屹节能科技（上海）有限公司 | Smog dedusting disappears white device |
-
2017
- 2017-01-20 CN CN201710041569.6A patent/CN106731256A/en not_active Withdrawn
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108126459A (en) * | 2017-12-29 | 2018-06-08 | 浙江纳风净化技术有限公司 | A kind of outdoor filtered host |
| CN108325275A (en) * | 2018-03-15 | 2018-07-27 | 无锡市泰新环保科技有限公司 | The combined cooling method and combined cooler of high-temperature oil gas |
| CN108889038A (en) * | 2018-09-22 | 2018-11-27 | 南京兰丰环保科技有限公司 | A kind of plume takes off white device |
| CN108889038B (en) * | 2018-09-22 | 2024-04-12 | 盐城市兰丰环境工程科技有限公司 | Tobacco feather whitening device |
| CN110052053A (en) * | 2019-03-22 | 2019-07-26 | 川屹节能科技（上海）有限公司 | Smog dedusting disappears white device |
| CN109865390A (en) * | 2019-04-17 | 2019-06-11 | 福建龙净环保股份有限公司 | A kind of flue gas processing device |
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Application publication date: 20170531 |
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