CN107983099A - Efficient water scrubber - Google Patents
Efficient water scrubber Download PDFInfo
- Publication number
- CN107983099A CN107983099A CN201711488351.1A CN201711488351A CN107983099A CN 107983099 A CN107983099 A CN 107983099A CN 201711488351 A CN201711488351 A CN 201711488351A CN 107983099 A CN107983099 A CN 107983099A
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- Prior art keywords
- observation window
- tower body
- water
- spray
- layer
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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
- B01D53/14—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 absorption
- B01D53/18—Absorbing units; Liquid distributors therefor
-
- 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
- B01D47/063—Spray cleaning with two or more jets impinging against each other
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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)
- Treating Waste Gases (AREA)
- Gas Separation By Absorption (AREA)
Abstract
The invention discloses a kind of efficient water scrubber, including tower body, the air inlet and sewage draining exit of air outlet positioned at the upper end of tower body and the side wall positioned at tower body, the inside of tower body is equipped with the first padding support frame successively from top to bottom, gas-liquid mixed layer, spray assemblies, second padding support frame, demisting layer and tower top web plate, the side wall of tower body is equipped with the first observation window, second observation window and the 3rd observation window, sewage draining exit is located at the lower section of air inlet and the first observation window, air inlet and the first observation window are located at the lower section of the first padding support frame, second observation window is between spray assemblies and gas-liquid mixed layer, 3rd observation window is between tower top web plate and demisting layer, tower top web plate is located at below air outlet.The present invention comes into full contact with exhaust gas and water, improves water washing effect, effectively removes the pernicious gas and impurity in removing exhaust gas, filters the moisture content in gas, and to reach exhaust-gas treatment standard, air resistance is small in tower, increases washing efficiency.
Description
Technical field
The invention belongs to gas purifying equipment technical field, more particularly to a kind of efficient water scrubber.
Background technology
Industrial waste gas usually contains the pollutants such as pernicious gas, dust, these pollutants are usually to health and environment
There is larger harm.For example, these pollutants enter human body by breathing, skin contact and alimentary canal, so as to can cause endocrine
The dysfunction and immune function to human body, angiocarpy and central nervous system etc. have an impact, therefore, exhaust-gas treatment problem by
Pay attention to great.
The relatively good environmental protection equipment such as processing industrial waste gas, dust is water scrubber at present, by air inlet, gas outlet, spraying
First class sections composition is sprayed, generally reverse-flow spray column, off-gas flows move upwards, and the liquid that fog-spray nozzle sprays moves downward,
So as to which the dust in air-flow be caught, purified air-flow is discharged by tower body top, and dust then enters tower body bottom with current
Precipitate in portion.
A kind of new and effective low consumption water scrubber disclosed in Chinese patent publication No. CN 204522666U, including cylindricality washing
Tower tower body, the tower body top are equipped with exhaust outlet, and tower body lower part is equipped with leakage fluid dram, and exhaust outlet lower part is equipped with return channel, return channel
Lower part is equipped with spray tube, and the spray tube connects circulating water pipe, and spray tube lower part is equipped with adverse current paddle, and adverse current paddle is passed by motor
Dynamic, adverse current paddle and motor are arranged on inside flow spoiler, and flow spoiler lower part is equipped with spoiler, and leakage fluid dram top is equipped with air inlet.Although
Washing efficiency can be improved to a certain extent, save the energy, but the device such as flow spoiler, adverse current paddle and its motor is directly resulted in and set
Standby cost is higher, and defogging effect is poor, influences the progress of requirement or the next procedure of exhaust-gas treatment standard.
The content of the invention
The invention mainly solves the technical problem of providing a kind of efficient water scrubber, exhaust gas and water are come into full contact with, improved
Water washing effect, effectively removes pernicious gas and impurity in removing exhaust gas, filters the moisture content in gas, to reach exhaust-gas treatment standard,
Air resistance is small in tower, increases washing efficiency.
In order to solve the above technical problems, one aspect of the present invention is：A kind of efficient water scrubber, including tower
The air inlet and sewage draining exit of body, the air outlet positioned at the upper end of the tower body and the side wall positioned at the tower body, the tower body
It is internal to be equipped with the first padding support frame, gas-liquid mixed layer (3), spray assemblies, the second padding support frame, demisting successively from top to bottom
Layer and tower top web plate, the side wall of the tower body are equipped with the first observation window, the second observation window and the 3rd observation window, the sewage draining exit position
In the lower section of the air inlet and first observation window, the air inlet and first observation window are located at first filler
The lower section of supporting rack, second observation window is between the spray assemblies and the gas-liquid mixed layer, the 3rd observation
Between the tower top web plate and the demisting layer, the tower top web plate is located at below the air outlet window；
If support chip and position that first padding support frame and second padding support frame are all parallel to each other by dry plate
In the peripheral retainer ring composition of the support chip, the retainer ring is fixed at the both ends of the support chip, the support chip with
The angle of horizontal direction is 30-45 °；
The gas-liquid mixed layer is Raschig ring layer, Bauer circular layer, rectangular saddle ring layer or arc saddle ring layer, the gas-liquid mixed layer
Thickness is 180-220mm, and the volume of the gas-liquid mixed layer is 6.5-7m3；
The demisting layer is polyhedron empty ball layer, and the thickness of the demisting layer is 180-220mm, the volume of the demisting layer
For 7.5-8m3；
Preferably, the thickness of the gas-liquid mixed layer is 200mm, and the volume of the gas-liquid mixed layer is 6.8m3；
The thickness of the demisting layer is 200mm, and the volume of the demisting layer is 7.8m3；
Water tank and water pump are further included, the water inlet of the water tank is connected with running water pipe, and the water tank connects with the water pump
Connect, the water pump is connected with the spray assemblies.
Further say, the spray assemblies include a spray manifold and some sprays are in charge of, the spray manifold
It is in charge of setting perpendicular to the spray, the water inlet of the spray manifold is connected with the water outlet of the water pump, described in some
Spray, which is in charge of, to be parallel to each other and the adjacent spray the distance between is in charge of equal, and the length being in charge of that sprays is by the tower body
Center be gradually shortened to both sides, the every lower section be in charge of of spraying is evenly distributed with several spray heads.
Further say, the spacing between the spray assemblies and the gas-liquid mixed layer is 750mm, the adjacent spray
Spacing between being in charge of is 400mm, and each spacing sprayed between the adjacent spray head being in charge of is 300mm.
Further say, the water tank is internally provided with screen pack and level sensor, the water inlet of the water tank and
The water outlet of the water tank is located at the both sides of the screen pack, the side of screen pack water flowing in water tank respectively
To setting, the level sensor is located at the lower section of the water inlet of the water tank, the level sensor and the water tank into
The solenoid valve at the mouth of a river is electrically connected with the controller respectively.
Further say, the height of the tower body is 4800-5000mm, a diameter of 2400-2600mm of the tower body.
Further say, the internal diameter of the internal diameter of the air inlet and the air outlet is all 800-900mm, the sewage draining exit
Internal diameter be 30-35mm.
Further say, first observation window, second observation window and the 3rd observation window are all that acrylic is seen
Window is examined, the diameter of the diameter of first observation window, the diameter of the second observation window and the 3rd observation window is all 450-
550mm。
Further say, the tower body is the top surface of stainless steel tower body, the thickness of the side wall of the tower body and the tower body
Thickness be 3mm, the thickness of the bottom surface of the tower body is 4mm.
Further say, the water tank is stainless steel water tank, and the wall thickness of the water tank is 2mm.
Further say, the side wall of the tower body and side wall between the demisting layer and the air outlet is oblique
Face, the incline direction on the inclined-plane is from the bottom to top gradually to the centroclinal of the tower body, the tower top web plate and the demisting
Spacing between layer is 400mm, a diameter of 1180mm of the tower top web plate.
Beneficial effects of the present invention at least have it is following some：
The tower body of the present invention is internally provided with gas-liquid mixed layer, and gas-liquid mixed layer is Raschig ring layer, Bauer circular layer, rectangular saddle ring
Layer or arc saddle ring layer, using exhaust gas uplink, the principle of underwater row, the thickness of gas-liquid mixed layer is 200mm, makes exhaust gas and water in gas
Come into full contact between liquid mixed layer, effectively filter dust and grease in exhaust gas, exhaust gas is small in the resistance of gas-liquid mixed layer, unit
Exhaust-gas treatment amount in time is 4000m3/ h, so as to improve washing efficiency；
The present invention is additionally provided with demisting layer, when gas flows through demisting layer with certain flow velocity, due to the inertial impaction of gas
Effect, makes gas form larger drop between the inside of polyhedron empty ball and adjacent polyhedron empty ball, can effectively filter
Moisture content in gas, to reach exhaust-gas treatment standard, polyhedron empty ball layer also can remove pernicious gas and impurity in exhaust gas；
If support chip and position that the first padding support frame and the second padding support frame of the present invention are all parallel to each other by dry plate
In the peripheral retainer ring composition of support chip, the angle of support chip and horizontal direction is 30-45 °, is ensureing the first filler support
In the case of not revealed with the filler on the second filler support, the contact area of gas and filler is substantially increased；
The side wall of the tower body of the present invention is equipped with the first observation window, the second observation window and the 3rd observation window, and the first observation window is used
It is whether uniform in the sewage that observation gas-liquid mixed layer is fallen, understand whether gas-liquid mixed layer blocks, the sewage of observation tower body bottom
Liquid level, whether the water that the second observation window is used to observe spray assemblies ejection is uniform, and the 3rd observation window is used to observe discharge tower body
The situation of gas, to understand defogging effect；
The side wall of tower body and the side wall between demisting layer and air outlet of the present invention is inclined-plane, the incline direction on inclined-plane
Gradually meet the flow direction of gas in tower body to the centroclinal of tower body from the bottom to top, reduce air drag；
For tower top web plate of the present invention between air outlet and demisting layer, tower top web plate can filter the impurity in gas, tower
Spacing between top web plate and demisting layer is 400mm, a diameter of 1180mm of tower top web plate, in the tower top net using identical mesh number
Plate, and during guarantee gas rising, there are enough height to make what the particle in gas was fallen down due to the gravity of itself
In the case of, as far as possible ensure tower top web plate filter area, to reduce air drag；
The water tank of the present invention is internally provided with screen pack, and the direction of screen pack water flowing in water tank is set,
The particulate matter in drainage is crossed, prevents from blocking the spray head of spray assemblies；
The thickness of the thickness of the side wall of the tower body of the present invention and the top surface of tower body is 3mm, and the thickness of the bottom surface of tower body is
4mm, in the case where ensureing tower body intensity, saves material cost；
Spacing between the spray assemblies and gas-liquid mixed layer of the present invention is 750mm, the adjacent spacing sprayed between being in charge of
For 400mm, each spacing for spraying between the adjacent spray head being in charge of is 300mm, a diameter of 2500mm of tower body, and utilization is above-mentioned
Arrangement, allows the water to uniformly be sprayed on the surface of gas-liquid mixed layer, improves water washing effect.
Brief description of the drawings
Fig. 1 is the structure diagram of the present invention；
Fig. 2 is the structure diagram of the spray assemblies of the present invention；
Fig. 3 is the structure diagram of the water tank of the present invention；
Fig. 4 is the structure diagram of the first padding support frame of the present invention；
Each several part mark is as follows in attached drawing：
Tower body 1, air outlet 11, air inlet 12, sewage draining exit 13, the first observation window 14, the second observation window 15, the 3rd observation window
16th, inclined-plane 17, the first padding support frame 2, support chip 21, retainer ring 22, gas-liquid mixed layer 3, spray assemblies 4, spray manifold 41,
Spray be in charge of 42, spray head 421, the second padding support frame 5, demisting layer 6, tower top web plate 7, water tank 8, water tank water inlet 81,
Solenoid valve 811, screen pack 82, level sensor 83, water pump 9, the thickness H1 of gas-liquid mixed layer, the thickness H2 of demisting layer, institute
State the spacing L1 between spray assemblies and the gas-liquid mixed layer, the adjacent spacing L2 sprayed between being in charge of, adjacent spray
The spacing L4 between spacing L3, the tower top web plate and the demisting layer, height h1, the diameter d1 of tower body of tower body between head
With the diameter d2 of tower top web plate.
Embodiment
Presently preferred embodiments of the present invention is described in detail below in conjunction with the accompanying drawings, so that advantages and features of the invention energy
It is easier to be readily appreciated by one skilled in the art, so as to make a clearer definition of the protection scope of the present invention.
Embodiment：A kind of efficient water scrubber, as Figure 1-Figure 4, including tower body 1, going out positioned at the upper end of the tower body 1
Air port 11 and the air inlet 12 and sewage draining exit 13 of side wall positioned at the tower body 1, the inside of the tower body 1 is set successively from top to bottom
There are the first padding support frame 2, gas-liquid mixed layer 3, spray assemblies 4, the second padding support frame 5, demisting layer 6 and tower top web plate 7, institute
The side wall for stating tower body 1 is equipped with the first observation window 14, the second observation window 15 and the 3rd observation window 16, and the sewage draining exit 13 is positioned at described
The lower section of air inlet 12 and first observation window 14, the air inlet 12 and first observation window 14 are filled out positioned at described first
Expect the lower section of supporting rack 2, second observation window 15 is between the spray assemblies 4 and the gas-liquid mixed layer 3, and described the
Between the tower top web plate 7 and the demisting layer 6, the tower top web plate 7 is located under the air outlet 11 three observation windows 16
Side；
If the support chip 21 that first padding support frame 2 and second padding support frame 5 are all parallel to each other by dry plate
And formed positioned at the peripheral retainer ring 22 of the support chip 21, the retainer ring 22 is fixed at the both ends of the support chip 21,
The support chip and the angle of horizontal direction are 30-45 °；
The gas-liquid mixed layer 3 is Raschig ring layer, Bauer circular layer, rectangular saddle ring layer or arc saddle ring layer, the gas-liquid mixed layer
Thickness H1 be 180-220mm, the volume of the gas-liquid mixed layer 3 is 6.5-7m3；
The demisting layer 6 is polyhedron empty ball layer, and the thickness H2 of the demisting layer is 180-220mm, the demisting layer 6
Volume is 7.5-8m3；
Water tank 8 and water pump 9 are further included, the water inlet 81 of the water tank is connected with running water pipe, the water tank 8 and the water
The connection of pump 9, the water pump 9 are connected with the spray assemblies 4；
Preferably, the water pump is acid and alkali-proof pump.
The spray assemblies 4 include a spray manifold 41 and some sprays are in charge of 42, and the spray manifold 41 is vertical
It is in charge of 42 settings in the spray, the water inlet of the spray manifold 41 is connected with the water outlet of the water pump 9, described in some
Spray is in charge of 42 and is parallel to each other and the adjacent spray is in charge of the distance between 42 equal, and the spray is in charge of 42 length by institute
The center for stating tower body 1 is gradually shortened to both sides, and the lower section that the every spray is in charge of 42 is evenly distributed with several spray heads
421。
Spacing L1 between the spray assemblies and the gas-liquid mixed layer is 750mm, between the adjacent spray is in charge of
Spacing L2 be 400mm, each spacing L3 sprayed between the adjacent spray head be in charge of is 300mm.
The water tank 8 is internally provided with screen pack 82 and level sensor 83, the water inlet of the water tank and the water
The water outlet of case 8 is located at the both sides of the screen pack 82, the side of the water flowing in water tank of screen pack 82 respectively
To setting, the level sensor 83 is located at the lower section of the water inlet of the water tank, the level sensor 83 and the water tank
The solenoid valve 811 of water inlet be electrically connected with the controller respectively.
When it is implemented, the volume of the water tank is 0.5-1m3, the internal diameter of the water inlet of the water tank is 45-55mm.
The height h1 of the tower body is 4800-5000mm, and the diameter d1 of the tower body is 2400-2600mm.
Preferably, the height of the tower body is 4900mm, and the basal diameter of the tower body is 2500mm.
The internal diameter of the air inlet 12 and the internal diameter of the air outlet 11 are all 800-900mm, the sewage draining exit 13 it is interior
Footpath is 30-35mm.
Preferably, the internal diameter of the internal diameter of the air inlet and the air outlet is all 850mm, and the internal diameter of the sewage draining exit is
32mm。
First observation window 14, second observation window and the 3rd observation window are all acrylic observation window, described
The diameter of the diameter of first observation window 14, the diameter of the second observation window 15 and the 3rd observation window 16 is all 450-550mm.
Preferably, the diameter of the diameter of first observation window, the diameter of the second observation window and the 3rd observation window is all
For 500mm.
The tower body 1 is stainless steel tower body, and the thickness of the thickness of the side wall of the tower body 1 and the top surface of the tower body 1 is
3mm, the thickness of the bottom surface of the tower body 1 is 4mm.
The water tank 8 is stainless steel water tank, and the wall thickness of the water tank 8 is 2mm.
The side wall of the tower body 1 and side wall between the demisting layer and the air outlet 11 is inclined-plane 17, it is described
The incline direction on inclined-plane 17 from the bottom to top gradually to the centroclinal of the tower body 1, the tower top web plate and the demisting layer it
Between spacing L4 be 400mm, the diameter d2 of the tower top web plate is 1180mm.
The operation principle of the present invention is as follows：The present invention is sprayed the water in water tank from the spray head in spray assemblies by water pump
Go out, exhaust gas enters in tower body from air inlet, passes sequentially through from below to up after gas-liquid mixed layer, demisting layer and tower top web plate from outlet air
Mouth discharge, comes into full contact with exhaust gas and water, improves water washing effect, effectively removes the pernicious gas and impurity in removing exhaust gas, crosses air filtration
Moisture content in body.
The foregoing is merely the embodiment of the present invention, is not intended to limit the scope of the invention, every to utilize this hair
The equivalent structure transformation that bright specification and accompanying drawing content are made, is directly or indirectly used in other related technical areas,
Similarly it is included within the scope of the present invention.
Claims (10)
- A kind of 1. efficient water scrubber, it is characterised in that：Air outlet (11) including tower body (1), positioned at the upper end of the tower body and Positioned at the air inlet (12) and sewage draining exit (13) of the side wall of the tower body, the inside of the tower body is equipped with first successively from top to bottom Padding support frame (2), gas-liquid mixed layer (3), spray assemblies (4), the second padding support frame (5), demisting layer (6) and tower top web plate (7), the side wall of the tower body is equipped with the first observation window (14), the second observation window (15) and the 3rd observation window (16), the blowdown Mouth is located at described first positioned at the lower section of the air inlet and first observation window, the air inlet and first observation window The lower section of padding support frame, second observation window is between the spray assemblies and the gas-liquid mixed layer, and the described 3rd Between the tower top web plate and the demisting layer, the tower top web plate is located at below the air outlet observation window；If support chip (21) and position that first padding support frame and second padding support frame are all parallel to each other by dry plate In peripheral retainer ring (22) composition of the support chip, the retainer ring, the support are fixed in the both ends of the support chip Piece and the angle of horizontal direction are 30-45 °；The gas-liquid mixed layer is Raschig ring layer, Bauer circular layer, rectangular saddle ring layer or arc saddle ring layer, the thickness of the gas-liquid mixed layer (H1) it is 180-220mm, the volume of the gas-liquid mixed layer is 6.5-7m3；The demisting layer is polyhedron empty ball layer, and the thickness (H2) of the demisting layer is 180-220mm, the volume of the demisting layer For 7.5-8m3；Further include water tank (8) and water pump (9), the water inlet (81) of the water tank is connected with running water pipe, the water tank with it is described Water pump connects, and the water pump is connected with the spray assemblies.
- 2. efficient water scrubber according to claim 1, it is characterised in that：The spray assemblies include a spray manifold (41) be in charge of (42) with some sprays, the spray manifold is in charge of setting perpendicular to the spray, the spray manifold into The mouth of a river is connected with the water outlet of the water pump, some it is described spray be in charge of be parallel to each other and it is adjacent it is described spray be in charge of between Apart from equal, the center for spraying length from the tower body be in charge of is gradually shortened to both sides, and every described to spray what is be in charge of Lower section is evenly distributed with several spray heads (421).
- 3. efficient water scrubber according to claim 2, it is characterised in that：The spray assemblies and the gas-liquid mixed layer it Between spacing (L1) be 750mm, the spacing (L2) between the adjacent spray is in charge of be 400mm, and each spray is in charge of Spacing (L3) between adjacent spray head is 300mm.
- 4. efficient water scrubber according to claim 1, it is characterised in that：The water tank is internally provided with screen pack (82) With level sensor (83), the water outlet of the water inlet of the water tank and the water tank is located at the two of the screen pack respectively Side, the direction of screen pack water flowing in water tank are set, and the level sensor is located at the water inlet of the water tank The solenoid valve (811) of the water inlet of the lower section of mouth, the level sensor and the water tank is electrically connected with the controller respectively.
- 5. efficient water scrubber according to claim 1, it is characterised in that：The height (h1) of the tower body is 4800- 5000mm, the diameter (d1) of the tower body is 2400-2600mm.
- 6. efficient water scrubber according to claim 1, it is characterised in that：The internal diameter of the air inlet and the air outlet Internal diameter is all 800-900mm, and the internal diameter of the sewage draining exit is 30-35mm.
- 7. efficient water scrubber according to claim 1, it is characterised in that：First observation window, second observation window It is all acrylic observation window with the 3rd observation window, the diameter of first observation window, the diameter of the second observation window and described The diameter of 3rd observation window is all 450-550mm.
- 8. efficient water scrubber according to claim 1, it is characterised in that：The tower body is stainless steel tower body, the tower body The thickness of side wall and the thickness of top surface of the tower body be 3mm, the thickness of the bottom surface of the tower body is 4mm.
- 9. efficient water scrubber according to claim 1, it is characterised in that：The water tank is stainless steel water tank, the water tank Wall thickness be 2mm.
- 10. efficient water scrubber according to claim 1, it is characterised in that：The side wall of the tower body and it is located at the demisting Side wall between layer and the air outlet is inclined-plane (17), and the incline direction on the inclined-plane is from the bottom to top gradually to the tower body Centroclinal, the spacing (L4) between the tower top web plate and the demisting layer is 400mm, the diameter (d2) of the tower top web plate For 1180mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711488351.1A CN107983099A (en) | 2017-12-30 | 2017-12-30 | Efficient water scrubber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711488351.1A CN107983099A (en) | 2017-12-30 | 2017-12-30 | Efficient water scrubber |
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| Publication Number | Publication Date |
|---|---|
| CN107983099A true CN107983099A (en) | 2018-05-04 |
Family
ID=62040393
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711488351.1A Withdrawn CN107983099A (en) | 2017-12-30 | 2017-12-30 | Efficient water scrubber |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110314493A (en) * | 2019-07-29 | 2019-10-11 | 江苏鑫林环保设备有限公司 | A kind of exhaust air deodorization system and its working method applied to wastewater containing phenol and cyanide processing |
| CN110617487A (en) * | 2019-09-30 | 2019-12-27 | 新中天环保股份有限公司 | Stacked domestic garbage incineration water washing tower |
| CN113350927A (en) * | 2021-04-20 | 2021-09-07 | 南通大学 | Vertical cyclone tower |
| WO2022032600A1 (en) * | 2020-08-11 | 2022-02-17 | 苏州荣能环保科技有限公司 | Water scrubbing tower for waste gas |
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| CN106039984A (en) * | 2016-07-25 | 2016-10-26 | 苏州苏沃特环境科技有限公司 | Sewage plant waste gas purifying system based on pretreatment and biological filter pool combined process |
| CN106390680A (en) * | 2016-12-03 | 2017-02-15 | 福建众辉环保设备有限公司 | Spray tower used for industrial waste gas treatment |
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Application publication date: 20180504 |