CN112337297A - Waste gas purification device for paper mill - Google Patents
Waste gas purification device for paper mill Download PDFInfo
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- CN112337297A CN112337297A CN201911341645.0A CN201911341645A CN112337297A CN 112337297 A CN112337297 A CN 112337297A CN 201911341645 A CN201911341645 A CN 201911341645A CN 112337297 A CN112337297 A CN 112337297A
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- tower
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- 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
- B01D53/86—Catalytic processes
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- 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
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- 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
- B01D53/02—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 adsorption, e.g. preparative gas chromatography
- B01D53/04—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 adsorption, e.g. preparative gas chromatography with stationary adsorbents
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- 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)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Toxicology (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Abstract
The invention discloses a waste gas purification device for a paper mill, which comprises a purification tower, wherein the left side of the purification tower is communicated with a first spraying structure for carrying out primary spraying on waste gas, and a second spraying structure for carrying out secondary spraying on the waste gas is arranged in the purification tower. According to the invention, through the arrangement of the purification tower, the first spraying structure, the second spraying structure, the rectifying structure, the adsorption structure, the water outlet pipe, the first air outlet pipe, the suction fan, the first air inlet pipe, the catalytic tower, the catalytic structure and the second air outlet pipe, the waste gas purification device of the paper mill has the advantages of secondary spraying and adsorption on waste gas, catalyst catalysis on the waste gas through the catalytic plate and photo-oxidation catalysis on the waste gas by utilizing ultraviolet light beams, the purification effect of the purification device on the waste gas of the paper mill is improved, the purification speed of the purification device is improved, and the problem that the waste gas is directly photo-oxidized and catalyzed after being not sprayed and adsorbed by the waste gas purification device of the existing paper mill is solved.
Description
Technical Field
The invention relates to the technical field of waste gas treatment of paper mills, in particular to a waste gas purification device of a paper mill.
Background
The paper making industry is one of ten major pillar industries of national economy of developed countries, the development of the paper making industry is basically synchronous with economic growth, at present, the paper making industry of China is also a few industries with pull-type requirements and huge market potential in the industrial industry of China, the paper making industry provides basic raw materials for industries such as packaging, printing, news information and the like, the paper making industry has a very important position and a very large development space in the national economy, and particularly, paper and paperboard are used as consumption type raw materials, so that the paper making industry can always keep vigorous requirements along with the development of the national economy of China.
With the continuous development of industry, large-scale factory paper manufacturing almost replaces all manual paper, so that the manufacturing cost of paper is greatly reduced, and the development of culture is greatly promoted, but the factory paper manufacturing usually needs a large amount of water resources and can discharge a large amount of pollutants, paper-making waste gas is a pollutant which is harmful to air greatly, most of paper-making waste gas generated by paper factories contains volatile water vapor and malodorous gas, the existing treatment technology is mainly to carry out direct photo-oxidation catalytic oxidation on the paper, and then discharge the paper-making waste gas, the light source efficiency of photo-oxidation catalytic equipment is only 50% of that of 40 ℃ under the working condition of the temperature higher than 80 ℃, if adhered objects are adhered on the wall of an ultraviolet lamp tube, the light source cannot be emitted, and the photo-oxidation equipment without the light source has no purification treatment effect, therefore, a paper-making factory waste gas purification device is provided, to solve the problems of the above.
Disclosure of Invention
The invention aims to provide a paper mill waste gas purification device, which has the advantages of secondary spraying and adsorption of waste gas, catalyst catalysis of the waste gas through a catalytic plate and photo-oxidation catalysis of the waste gas by using an ultraviolet light beam, and solves the problem that the existing paper mill waste gas purification device directly performs photo-oxidation catalysis on the waste gas after the waste gas is not sprayed and adsorbed.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a paper mill exhaust gas purification device, includes the purifying column, the left side intercommunication of purifying column has the first structure of spraying that once sprays waste gas, the inside of purifying column is equipped with the second that sprays the secondary to waste gas and sprays the structure, the top that the second sprayed the structure is equipped with the rectification structure, the inside top of purifying column is equipped with carries out absorbent adsorption structure to waste gas, the bottom intercommunication of purifying column has the outlet pipe, the top intercommunication of purifying column has first outlet duct, the bottom intercommunication of first outlet duct has the intercommunication to have the suction fan, the right side intercommunication of suction fan has first intake pipe, the right-hand member intercommunication of first intake pipe has the catalytic tower, the inside of catalytic tower is equipped with and is used for carrying out the catalytic structure of light oxygen catalysis to waste gas, the top intercommunication of catalytic tower has the second outlet duct.
Preferably, the first spraying structure comprises a second air inlet pipe, the right end of the second air inlet pipe is communicated with the inside of the purification tower, the top of the second air inlet pipe is bolted with a spraying box, the right side of the spraying box is communicated with a first spraying pipe, and the bottom of the first spraying pipe extends to the inside of the second air inlet pipe.
Preferably, the second spray structure comprises a support plate, the two sides of the support plate are all bolted to the inside of the purification tower, a plurality of through holes are formed in the support plate, a first water pipe is bolted to the bottom of the support plate, a plurality of second spray pipes are communicated with the bottom of the first water pipe, a second water pipe is communicated with the top of the first water pipe, and the second water pipe extends to the outside of the purification tower and is communicated with a water pump.
Preferably, the fairing structure includes the cowling panel, the both sides of cowling panel all with the inside bolt of purifying column, a plurality of gas pocket has been seted up to the inside of cowling panel.
Preferably, adsorption structure includes the adsorption plate, the side of adsorption plate contacts with the inside of purification tower, all overlap around the adsorption plate is inside to be equipped with the bracing piece.
Preferably, the top of bracing piece and the inside top welding of purification tower, the bottom welding of bracing piece has first limiting plate, the top bolt of first limiting plate has connected first spring, all be equipped with the second spring around the adsorption plate top, the surface of bracing piece is located to the second spring cover, the top bolt of second spring has connected the second limiting plate.
Preferably, the surface of bracing piece is located to first spring cover, the top of first spring and the bottom bolt of adsorption plate, the bottom of second spring and the top bolt of adsorption plate, the inside of second limiting plate and the surface welding of bracing piece.
Preferably, the catalysis structure includes the catalysis board, the shape of catalysis board is the metal mesh, the inside of catalysis board is stuffed with the catalyst, catalysis board fixed mounting is in the inside of catalytic tower, the top fixed mounting of catalysis board has the orifice plate, the bottom bolt of orifice plate has a plurality of ultraviolet irradiation lamp.
Preferably, a first manhole is installed on the front surface of the purification tower, and a second manhole is installed on the front surface of the catalytic tower.
Preferably, first supporting legs are welded to the bottoms of the two sides of the purifying tower, and second supporting legs are welded to the two sides of the bottom of the catalyzing tower.
Compared with the prior art, the invention has the following beneficial effects:
according to the invention, through the arrangement of the purification tower, the first spraying structure, the second spraying structure, the rectifying structure, the adsorption structure, the water outlet pipe, the first air outlet pipe, the suction fan, the first air inlet pipe, the catalytic tower, the catalytic structure and the second air outlet pipe, the waste gas purification device of the paper mill has the advantages of secondary spraying and adsorption on waste gas, catalyst catalysis on the waste gas through the catalytic plate and photo-oxidation catalysis on the waste gas by utilizing ultraviolet light beams, the purification effect of the purification device on the waste gas of the paper mill is improved, the purification speed of the purification device is improved, and the problem that the waste gas is directly photo-oxidized and catalyzed after being not sprayed and adsorbed by the waste gas purification device of the existing paper mill is solved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of a portion of the invention at A in FIG. 1;
FIG. 3 is an enlarged view of a portion of the present invention at B of FIG. 1;
FIG. 4 is a schematic top view of an adsorption plate according to the present invention;
FIG. 5 is a front view of the present invention.
In the figure: 1. a purification tower; 2. a first spray structure; 21. a second intake pipe; 22. a spray box; 23. a first shower pipe; 3. a second spray structure; 31. a support plate; 32. a through hole; 33. a first water pipe; 34. a second shower pipe; 35. a second water pipe; 36. a water pump; 4. a rectifying structure; 41. a rectifying plate; 42. air holes; 5. an adsorption structure; 51. an adsorption plate; 52. a support bar; 6. a water outlet pipe; 7. a first air outlet pipe; 8. a suction fan; 9. a first intake pipe; 10. a catalytic tower; 11. a catalytic structure; 111. a catalyst plate; 112. an orifice plate; 113. an ultraviolet irradiation lamp; 12. a second air outlet pipe; 13. a first limit plate; 14. a first spring; 15. a second spring; 16. a second limiting plate; 17. a first manhole; 18. a second manhole; 19. a first support leg; 20. a second support leg.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, a waste gas purifying device for a paper mill comprises a purifying tower 1, a first spraying structure 2 for spraying waste gas for the first time is communicated with the left side of the purifying tower 1, a second spraying structure 3 for spraying waste gas for the second time is arranged inside the purifying tower 1, a rectifying structure 4 is arranged at the top of the second spraying structure 3, an adsorption structure 5 for adsorbing waste gas is arranged at the top of the purifying tower 1, a water outlet pipe 6 is communicated with the bottom of the purifying tower 1, a first air outlet pipe 7 is communicated with the top of the purifying tower 1, a suction fan 8 is communicated with the bottom of the first air outlet pipe 7, a first air inlet pipe 9 is communicated with the right side of the suction fan 8, a catalyzing tower 10 is communicated with the right end of the first air inlet pipe 9, a catalyzing structure 11 for photo-oxygen catalysis of waste gas is arranged inside the catalyzing tower 10, a second air outlet pipe 12 is communicated with the top of the catalyzing tower 10, through purifying column 1, first spray structure 2, the second sprays structure 3, rectification structure 4, adsorption structure 5, outlet pipe 6, first outlet duct 7, suction fan 8, first intake pipe 9, catalytic tower 10, the setting of catalysis structure 11 and second outlet duct 12, make paper mill exhaust gas purification device possess and can carry out the secondary to waste gas and spray and adsorb, and carry out the advantage of catalyst catalysis and utilize ultraviolet ray light beam light oxygen catalysis waste gas through the catalysis board to waste gas, the purifying effect of purifier to waste gas of paper mill has been promoted, purifier's purification rate has been promoted, it does not spray and adsorb the back to waste gas to have solved current paper mill exhaust gas purification device simultaneously, directly carry out the problem of light oxygen catalysis to it.
In this embodiment, first spray structure 2 includes second intake pipe 21, the right-hand member of second intake pipe 21 and the inside intercommunication of purifying tower 1, the top bolt of second intake pipe 21 has spray box 22, the right side intercommunication of spray box 22 has first shower 23, the bottom of first shower 23 extends to the inside of second intake pipe 21, through second intake pipe 21, the cooperation of spray box 22 and first shower 23 is used, can once spray waste gas, carry out preliminary treatment to waste gas.
In this embodiment, second spray structure 3 includes backup pad 31, backup pad 31's both sides all with the inside bolt of purifying tower 1, a plurality of through-hole 32 has been seted up to backup pad 31's inside, backup pad 31's bottom bolt has first water pipe 33, the bottom intercommunication of first water pipe 33 has a plurality of second shower 34, the top intercommunication of first water pipe 33 has second water pipe 35, second water pipe 35 extends to the outside of purifying tower 1 and communicates there is water pump 36, through backup pad 31, through-hole 32, first water pipe 33, second shower 34, the cooperation of second water pipe 35 and water pump 36 is used, can carry out the secondary to waste gas and spray, cool down and the dust fall operation to waste gas, make things convenient for waste gas to carry out purification on next step.
In this embodiment, the rectifying structure 4 includes the rectifying plate 41, and the both sides of rectifying plate 41 all with the inside bolt of purifying tower 1, a plurality of gas pocket 42 has been seted up to the inside of rectifying plate 41, uses through the cooperation of rectifying plate 41 and gas pocket 42, can carry out the rectification to waste gas to its even and adsorption plate 51 contact.
In this embodiment, adsorption structure 5 includes adsorption plate 51, and adsorption plate 51's side contacts with the inside of purifying tower 1, and the inside all around cover of adsorption plate 51 is equipped with bracing piece 52, uses through bracing piece 52 and adsorption plate 51's cooperation, can adsorb the operation to waste gas.
In this embodiment, the top of bracing piece 52 and the inside top welding of purification tower 1, the welding of the bottom of bracing piece 52 has first limiting plate 13, first spring 14 has been bolted to the top of first limiting plate 13, all be equipped with second spring 15 around the adsorption plate 51 top, the surface of bracing piece 52 is located to second spring 15 cover, second limiting plate 16 has been bolted to the top of second spring 15, use through the cooperation of first limiting plate 13, first spring 14, second spring 15 and second limiting plate 16, can carry out elastic support to adsorption plate 51.
In this embodiment, the surface of the supporting rod 52 is sleeved with the first spring 14, the top of the first spring 14 is bolted to the bottom of the adsorption plate 51, the bottom of the second spring 15 is bolted to the top of the adsorption plate 51, and the inside of the second limiting plate 16 is welded to the surface of the supporting rod 52, so that the adsorption plate 51 can move when adsorbing a large amount of waste gas, and the adsorption plate 51 is effectively buffered.
In this embodiment, the catalytic structure 11 includes the catalytic board 111, the shape of the catalytic board 111 is a metal mesh, the catalyst is stuffed in the catalytic board 111, the catalytic board 111 is fixedly installed in the catalytic tower 10, the perforated plate 112 is fixedly installed above the catalytic board 111, the bottom of the perforated plate 112 is bolted with a plurality of ultraviolet radiation lamps 113, and the catalytic board 111, the perforated plate 112 and the ultraviolet radiation lamps 113 are used in cooperation, so that the catalyst catalysis and the photo-oxidation catalysis can be performed on the exhaust gas.
In this embodiment, first manhole 17 is installed in the front of purifying column 1, and second manhole 18 is installed in the front of catalytic tower 10, uses through the cooperation of first manhole 17 and second manhole 18, makes things convenient for the staff to watch the purification condition of waste gas.
In this embodiment, first supporting leg 19 has all been welded to the bottom of purifying tower 1 both sides, and second supporting leg 20 has all been welded to the both sides of catalytic tower 10 bottom, through the use of first supporting leg 19, can support purifying tower 1, through the use of second supporting leg 20, can support catalytic tower 10.
When the exhaust gas purification device is used, exhaust gas is led into the second air inlet pipe 21, then the suction fan 8, the water pump 36 and the ultraviolet radiation lamp 113 are started, then the exhaust gas is sprayed by the first spraying pipe 23, then the exhaust gas enters the inside of the purification tower 1, at the moment, the second spraying pipe 34 carries out secondary spraying on the exhaust gas, the exhaust gas is cooled and dusted, spraying wastewater is discharged out of the purification tower 1 from the water outlet pipe 6, then the exhaust gas enters the inside of the rectifying plate 41 through the through hole 32, then the exhaust gas is contacted with the adsorption plate 51, when the amount of the exhaust gas is excessive, the exhaust gas impacts the adsorption plate 51, the adsorption plate 51 starts moving and extrudes the second spring 15, the second spring 15 buffers the moving trend of the adsorption plate 51, then the exhaust gas enters the first air inlet pipe 9 from the first air outlet pipe 7 after being adsorbed, the exhaust gas enters the catalytic tower 10 and is contacted with the catalytic plate 111, and a catalyst inside the catalytic plate, and a catalytic reaction is performed, then the ultraviolet irradiation lamp 113 emits ultraviolet rays, photo-oxidation catalysis is performed on the exhaust gas, and then the exhaust gas is discharged out of the catalytic tower 10 through the orifice plate 112 and the second outlet pipe 12.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A paper mill exhaust gas purification device, includes purifying column (1), its characterized in that: the device is characterized in that a first spraying structure (2) for spraying waste gas for the first time is communicated with the left side of the purification tower (1), a second spraying structure (3) for spraying the waste gas for the second time is arranged in the purification tower (1), a rectifying structure (4) is arranged at the top of the second spraying structure (3), an adsorption structure (5) for adsorbing the waste gas is arranged at the top of the purification tower (1), a water outlet pipe (6) is communicated with the bottom of the purification tower (1), a first air outlet pipe (7) is communicated with the top of the purification tower (1), a suction fan (8) is communicated with the bottom of the first air outlet pipe (7), a first air inlet pipe (9) is communicated with the right side of the suction fan (8), a catalysis tower (10) is communicated with the right end of the first air inlet pipe (9), and a catalysis structure (11) for carrying out photo-oxygen catalysis on the waste gas is arranged in the catalysis tower (10), the top of the catalytic tower (10) is communicated with a second air outlet pipe (12).
2. A paper mill exhaust gas purification apparatus according to claim 1, characterized in that: first spray structure (2) include second intake pipe (21), the right-hand member of second intake pipe (21) and the inside intercommunication of purifying column (1), the top bolt joint of second intake pipe (21) has spraying case (22), the right side intercommunication that sprays case (22) has first shower (23), the bottom of first shower (23) extends to the inside of second intake pipe (21).
3. A paper mill exhaust gas purification apparatus according to claim 1, characterized in that: the second spray structure (3) comprises a support plate (31), the two sides of the support plate (31) are all bolted to the inside of the purification tower (1), a plurality of through holes (32) are formed in the inside of the support plate (31), a first water pipe (33) is bolted to the bottom of the support plate (31), a plurality of second spray pipes (34) are communicated to the bottom of the first water pipe (33), a second water pipe (35) is communicated to the top of the first water pipe (33), and a water pump (36) is communicated to the outside of the purification tower (1) through the second water pipe (35).
4. A paper mill exhaust gas purification apparatus according to claim 1, characterized in that: rectifying structure (4) include cowling panel (41), the both sides of cowling panel (41) all with the inside bolt of purifying column (1), a plurality of gas pocket (42) have been seted up to the inside of cowling panel (41).
5. A paper mill exhaust gas purification apparatus according to claim 1, characterized in that: adsorption structure (5) are including adsorption plate (51), the side of adsorption plate (51) contacts with the inside of purifying column (1), all overlap around adsorption plate (51) inside and be equipped with bracing piece (52).
6. A paper mill exhaust gas purification apparatus according to claim 5, characterized in that: the top of bracing piece (52) and the inside top welding of purification tower (1), the bottom welding of bracing piece (52) has first limiting plate (13), the top bolt of first limiting plate (13) has first spring (14), all be equipped with second spring (15) around adsorption plate (51) top, the surface of bracing piece (52) is located to second spring (15) cover, the top bolt of second spring (15) has second limiting plate (16).
7. A paper mill exhaust gas purification apparatus according to claim 5, characterized in that: the surface of bracing piece (52) is located to first spring (14) cover, the top of first spring (14) and the bottom bolt of adsorption plate (51), the bottom of second spring (15) and the top bolt of adsorption plate (51), the inside of second limiting plate (16) and the surface weld of bracing piece (52).
8. A paper mill exhaust gas purification apparatus according to claim 1, characterized in that: catalytic structure (11) are including catalysis board (111), the shape of catalysis board (111) is the metal mesh, the inside of catalysis board (111) is clogged there is the catalyst, inside in catalytic tower (10) is fixed mounting to catalysis board (111), the top fixed mounting of catalysis board (111) has orifice plate (112), the bottom bolt of orifice plate (112) has a plurality of ultraviolet irradiation lamp (113).
9. A paper mill exhaust gas purification apparatus according to claim 1, characterized in that: a first manhole (17) is installed on the front face of the purifying tower (1), and a second manhole (18) is installed on the front face of the catalytic tower (10).
10. A paper mill exhaust gas purification apparatus according to claim 1, characterized in that: the bottom of purifying column (1) both sides all welds has first supporting leg (19), the both sides of catalyzing column (10) bottom all welds has second supporting leg (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911341645.0A CN112337297A (en) | 2019-12-23 | 2019-12-23 | Waste gas purification device for paper mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911341645.0A CN112337297A (en) | 2019-12-23 | 2019-12-23 | Waste gas purification device for paper mill |
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| Publication Number | Publication Date |
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| CN112337297A true CN112337297A (en) | 2021-02-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911341645.0A Pending CN112337297A (en) | 2019-12-23 | 2019-12-23 | Waste gas purification device for paper mill |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030028066A1 (en) * | 2001-05-02 | 2003-02-06 | Richards John R. | Photochemical system and method for the removal of PCDD or PCDF compounds from industrial process emissions |
| CN203507736U (en) * | 2013-10-14 | 2014-04-02 | 厦门中厦环科技有限公司 | Spray adsorption tower |
| CN208553583U (en) * | 2018-06-19 | 2019-03-01 | 广州川源环保设备有限公司 | Exhaust gas purification device |
| CN110339663A (en) * | 2019-08-12 | 2019-10-18 | 温州大学苍南研究院 | A kind of spray dust collector becoming rail technology with wind direction |
| CN209754018U (en) * | 2019-02-15 | 2019-12-10 | 青海湘和有色金属有限责任公司 | Device for preparing zinc powder by atomization method |
-
2019
- 2019-12-23 CN CN201911341645.0A patent/CN112337297A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030028066A1 (en) * | 2001-05-02 | 2003-02-06 | Richards John R. | Photochemical system and method for the removal of PCDD or PCDF compounds from industrial process emissions |
| CN203507736U (en) * | 2013-10-14 | 2014-04-02 | 厦门中厦环科技有限公司 | Spray adsorption tower |
| CN208553583U (en) * | 2018-06-19 | 2019-03-01 | 广州川源环保设备有限公司 | Exhaust gas purification device |
| CN209754018U (en) * | 2019-02-15 | 2019-12-10 | 青海湘和有色金属有限责任公司 | Device for preparing zinc powder by atomization method |
| CN110339663A (en) * | 2019-08-12 | 2019-10-18 | 温州大学苍南研究院 | A kind of spray dust collector becoming rail technology with wind direction |
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Application publication date: 20210209 |