CN115140860A - Acid water treatment device of green anode roasting flue gas purification spray tower and use method - Google Patents
Acid water treatment device of green anode roasting flue gas purification spray tower and use method Download PDFInfo
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- CN115140860A CN115140860A CN202110347856.6A CN202110347856A CN115140860A CN 115140860 A CN115140860 A CN 115140860A CN 202110347856 A CN202110347856 A CN 202110347856A CN 115140860 A CN115140860 A CN 115140860A
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- water
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- spray tower
- acid water
- flue gas
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 162
- 239000002253 acid Substances 0.000 title claims abstract description 63
- 239000007921 spray Substances 0.000 title claims abstract description 54
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 27
- 239000003546 flue gas Substances 0.000 title claims abstract description 27
- 238000000746 purification Methods 0.000 title claims abstract description 17
- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000006386 neutralization reaction Methods 0.000 claims abstract description 46
- 239000002351 wastewater Substances 0.000 claims abstract description 39
- 238000004062 sedimentation Methods 0.000 claims abstract description 34
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 claims abstract description 16
- 239000000126 substance Substances 0.000 claims abstract description 14
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims abstract description 8
- 235000011941 Tilia x europaea Nutrition 0.000 claims abstract description 8
- 239000004571 lime Substances 0.000 claims abstract description 8
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 12
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 6
- 239000001569 carbon dioxide Substances 0.000 claims description 6
- 239000012535 impurity Substances 0.000 claims description 5
- 238000004140 cleaning Methods 0.000 claims description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 238000001354 calcination Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 239000012716 precipitator Substances 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
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Classifications
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- 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
- B01D53/1425—Regeneration of liquid absorbents
-
- 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
- B01D53/1456—Removing acid components
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
-
- 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
- B01D53/96—Regeneration, reactivation or recycling of reactants
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F2001/007—Processes including a sedimentation step
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/18—Nature of the water, waste water, sewage or sludge to be treated from the purification of gaseous effluents
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- General Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Organic Chemistry (AREA)
- Water Supply & Treatment (AREA)
- Hydrology & Water Resources (AREA)
- Sustainable Development (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention discloses an acid water treatment device of a green anode roasting flue gas purification spray tower and a use method thereof, wherein the device comprises a water return pipe, a wastewater pool, a neutralization sedimentation pool and a clean water pool; the water return pipe is connected with the bottom of the spray tower and can convey acid water in the spray tower to the wastewater pool; the wastewater tank can settle acid water, a first overflow port is formed in the upper part of the wastewater tank, and the settled upper-layer acid water flows into the neutralization sedimentation tank through the first overflow port; a second overflow port is formed in the upper part of the neutralization sedimentation tank, lime is arranged in the neutralization sedimentation tank, the acid water is neutralized by the lime to form a neutralized substance, the neutralized substance comprises calcium sulfate and clear water, and the clear water flows into the clear water tank through the second overflow port; the conveying unit is arranged inside the clean water tank and can convey the clean water in the clean water tank to the spray tower. The invention has the advantages of simple structure, convenience, easy operation, low cost, high efficiency and water resource saving.
Description
Technical Field
The invention relates to the technical field of treatment and cyclic utilization of acid water in the metallurgical industry, in particular to an acid water treatment device of a raw anode roasting flue gas purification spray tower and a using method thereof.
Background
In the process of roasting the green anode, the generated high-temperature flue gas needs to be purified by an electric tar precipitator and a bag-type dust remover, the temperature of the flue gas is as high as 130 ℃, the flue gas directly enters the electric tar precipitator and can catch fire, so that the temperature is reduced to below 90 ℃ by a spray tower, water in the spray tower can be changed into acid water when meeting sulfur in the flue gas, and the acid water cannot be directly discharged into a sewer and needs to be neutralized. The traditional treatment method is to pull the waste water outside for treatment, so that the labor cost, the pulling cost and the acid water treatment cost are increased, and the time and the labor are wasted.
Disclosure of Invention
Therefore, in order to solve the technical problems, an acid water treatment device of a raw anode roasting flue gas purification spray tower and a use method thereof are needed, wherein the acid water treatment device has a simple structure, is convenient and easy to implement, reduces the cost, improves the efficiency and saves water resources.
An acid water treatment device of a green anode roasting flue gas purification spray tower comprises a water return pipe, a waste water tank, a neutralization sedimentation tank and a clean water tank;
the water return pipe is connected with the bottom of the spray tower and can convey acid water in the spray tower to a wastewater pool;
the wastewater tank can settle the acid water, a first overflow port is formed in the upper part of the wastewater tank, and the settled upper-layer acid water flows into the neutralization sedimentation tank through the first overflow port;
a second overflow port is formed in the upper part of the neutralization sedimentation tank, lime is arranged in the neutralization sedimentation tank, the acid water is neutralized by the lime to form a neutralized substance, the neutralized substance comprises calcium sulfate and clear water, and the clear water flows into the clear water tank through the second overflow port;
the inside in clean water pond is equipped with conveying unit, conveying unit can with clean water in the clean water pond is carried to in the spray column.
In one embodiment, the conveying unit is a water pump, and the water pump is made of stainless steel.
In one embodiment, a cover plate is arranged at the top of the clean water tank, and the water pump is installed on the cover plate.
In one embodiment, the wastewater tank, the neutralization sedimentation tank and the clean water tank are arranged in parallel.
In one embodiment, the first overflow opening and the second overflow opening are of the same height.
In one embodiment, the top of the wastewater basin and the neutralization sedimentation basin is open.
The use method of the acid water treatment device of the green anode roasting flue gas purification spray tower comprises the following steps:
s1, firstly, settling acid water in a spray tower to the bottom, and then, entering a wastewater pool through a water return pipe;
s2, settling in a wastewater tank to ensure that the lower layer of the wastewater tank is impurities and the upper layer is settled acid water;
s3, conveying the settled acid water to a neutralization sedimentation tank for neutralization to form a neutralized substance, wherein the neutralized substance comprises clear water and calcium sulfate;
and S4, conveying the clear water into a clear water tank for collection, and conveying the clear water into a spray tower after reaching a set amount.
In one embodiment, in step S3, the settled acid water is sent to a neutralization and precipitation tank for neutralization to generate carbon dioxide, and the carbon dioxide is directly discharged into the atmosphere.
In one embodiment, in step S4, clean water is pumped into the spray tower through a pump and a water supply pipe, and the flue gas in the spray tower is cooled to form acid water.
Above-mentioned living anode calcination gas cleaning spray column acid water treatment facilities and application method, carry to the wastewater disposal basin through the acid water with in the spray column and subside, then, upper acid water after subsiding flows into and carries out neutralization in the neutralization sedimentation tank, clear water after the neutralization flows into the clear water pond again and collects, finally, clear water in with the clear water pond is carried to the spray column through the conveying unit and is sprayed and purify in, thereby realized the benign circulation of processing of acid water and reuse, it is simple structure not only, convenient easy going, and low cost, high efficiency, water resources are saved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an acid water treatment device of a green anode roasting flue gas purification spray tower of the invention;
FIG. 2 is a flow chart of the method of using the spray tower acid water treatment device for flue gas purification of green anode roasting of the present invention.
Reference numerals are as follows: 1. a water return pipe; 2. a wastewater tank; 3. a neutralization sedimentation tank; 4. a clean water tank; 21. a first overflow port; 31. a second overflow port; 5. a conveying unit; 6. a cover plate; 7. a spray tower; 8. and a water feeding pipe.
Detailed Description
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a single embodiment.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1, an embodiment of the present invention provides an acid water treatment apparatus of a green anode roasting flue gas purification spray tower 7, which includes a water return pipe 1, a wastewater tank 2, a neutralization sedimentation tank 3, and a clean water tank 4;
the water return pipe 1 is connected with the bottom of the spray tower 7, and the water return pipe 1 can convey acid water in the spray tower 7 to the wastewater pool 2;
the wastewater tank 2 can settle the acid water, a first overflow port 21 is arranged at the upper part of the wastewater tank 2, and the settled upper-layer acid water flows into the neutralization sedimentation tank 3 through the first overflow port 21;
a second overflow port 31 is arranged at the upper part of the neutralization sedimentation tank 3, lime is arranged in the neutralization sedimentation tank 3, the acid water is neutralized by the lime to form a neutralized substance, the neutralized substance comprises calcium sulfate and clear water, and the clear water flows into the clear water tank 4 through the second overflow port 31;
the clean water tank 4 is internally provided with a conveying unit 5, and the conveying unit 5 can convey the clean water in the clean water tank 4 to the spray tower 7.
Above-mentioned anodal calcination gas cleaning spray column acid water treatment facilities and application method, carry to wastewater disposal basin 2 through the acid water in with spray column 7 and subside, then, the upper acid water after subsiding flows into and carries out neutralization in the sedimentation tank 3, clear water after the neutralization flows into in clear water pond 4 again and collects, finally, clear water in clear water pond 4 is carried to spray in spray column 7 through conveying unit 5 and is purified, thereby realized the processing of acid water and the virtuous circle of reuse, it is simple structure not only, convenient easy going, and low cost, high efficiency, the water resource has been practiced thrift.
In an embodiment of the present invention, the conveying unit 5 is a water pump, and the water pump is made of stainless steel. So, can guarantee the life of water pump, reduce the corrosion of water pump and rust.
In an embodiment of the present invention, a cover plate 6 is disposed on the top of the clean water tank 4, and the water pump is mounted on the cover plate 6. The cover plate 6 can prevent impurities from falling into the clean water tank 4, so that clean water in the clean water tank 4 is protected, and meanwhile, the cover plate 6 is arranged to facilitate the installation of the water pump.
Optionally, the wastewater tank 2, the neutralization sedimentation tank 3 and the clean water tank 4 are arranged in parallel. So, not only can reduce the transportation volume of the thing of producing in every purification process, can carry out centralized processing to the pollutant that produces in wastewater disposal basin 2, neutralization sedimentation tank 3 and the clean water basin 4 moreover to can reduce cost, improve the treatment effeciency.
Further, the first overflow port 21 and the second overflow port 31 have the same height. So, not only can guarantee that the acid water has sufficient treatment time in wastewater disposal basin 2 and neutralization sedimentation tank 3, guarantee the treatment effect, can reduce the production of the interior convection current of neutralization sedimentation tank 3 moreover, avoid causing the influence to the neutralization reaction.
Alternatively, the top of the wastewater tank 2 and the neutralization sedimentation tank 3 is opened for the convenience of observing the acid water treatment state in the wastewater tank 2 and the neutralization sedimentation tank 3 and for the convenience of taking out impurities in the wastewater tank 2 and calcium sulfate in the neutralization sedimentation tank 3.
Referring to fig. 2, an embodiment of the present invention provides a method for using an acid water treatment apparatus of a green anode roasting flue gas purification spray tower 7, which includes the following steps:
s1, firstly, settling acid water in a spray tower 7 to the bottom, and then, entering a wastewater pool 2 through a water return pipe 1;
s2, settling in the wastewater tank 2 to ensure that the lower layer of the wastewater tank 2 is impurities and the upper layer is settled acid water;
s3, conveying the settled acid water to a neutralization sedimentation tank 3 for neutralization to form a neutralized substance, wherein the neutralized substance comprises clear water and calcium sulfate;
and S4, conveying the clean water into the clean water tank 4 for collection, and conveying the clean water into the spray tower 7 after the set amount is reached.
Specifically, in step S3, the settled acid water is sent to the neutralization and precipitation tank 3 for neutralization to generate carbon dioxide, and the carbon dioxide is directly discharged into the atmosphere.
Specifically, in step S4, clean water is pumped into the spray tower 7 through the pump and the water supply pipe 8, and the flue gas in the spray tower 7 is cooled to form acid water.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-described examples merely represent several embodiments of the present application and are not to be construed as limiting the scope of the claims. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent application shall be subject to the appended claims.
Claims (9)
1. An acid water treatment device of a green anode roasting flue gas purification spray tower is characterized by comprising a water return pipe, a waste water tank, a neutralization sedimentation tank and a clean water tank;
the water return pipe is connected with the bottom of the spray tower and can convey acid water in the spray tower to the wastewater tank;
the wastewater tank can settle the acid water, a first overflow port is formed in the upper part of the wastewater tank, and the settled upper-layer acid water flows into the neutralization sedimentation tank through the first overflow port;
the upper part of the neutralization sedimentation tank is provided with a second overflow port, lime is arranged in the neutralization sedimentation tank, the acid water is neutralized by the lime to form a neutralized substance, the neutralized substance comprises calcium sulfate and clear water, and the clear water flows into the clear water tank through the second overflow port;
the inside in clean water pond is equipped with conveying unit, conveying unit can with clean water in the clean water pond is carried to in the spray column.
2. The acid water treatment device of the green anode roasting flue gas purification spray tower of claim 1, wherein the conveying unit is a water pump, and the water pump is made of stainless steel.
3. The acid water treatment device of the green anode roasting flue gas purification spray tower of claim 2, wherein a cover plate is arranged at the top of the clean water tank, and the water pump is installed on the cover plate.
4. The acid water treatment device of the spray tower for purifying flue gas generated in roasting of green anodes according to claim 1, wherein the wastewater tank, the neutralization sedimentation tank and the clean water tank are arranged in parallel.
5. The acid water treatment device of the green anode roasting flue gas purification spray tower of claim 4, wherein the first overflow port and the second overflow port have the same height.
6. The green anode roasting flue gas cleaning spray tower acid water treatment device of claim 1, wherein the top of the wastewater pond and the neutralization sedimentation pond is open.
7. A method for using the green anode roasting flue gas cleaning spray tower acid water treatment device according to any one of claims 1 to 6, characterized by comprising the following steps:
s1, firstly, settling acid water in a spray tower to the bottom, and then, entering a wastewater pool through a water return pipe;
s2, settling in a wastewater tank to ensure that the lower layer of the wastewater tank is impurities and the upper layer is settled acid water;
s3, conveying the settled acid water to a neutralization sedimentation tank for neutralization to form a neutralized substance, wherein the neutralized substance comprises clear water and calcium sulfate;
and S4, conveying the clean water into a clean water tank for collection, and conveying the clean water into a spray tower after the set amount is reached.
8. The method for using the acid water treatment device of the spray tower for flue gas purification during green anode roasting according to claim 7, wherein in the step S3, the settled acid water is conveyed to a neutralization sedimentation tank for neutralization to generate carbon dioxide, and the carbon dioxide is directly discharged into the atmosphere.
9. The use method of the acid water treatment device of the spray tower for purifying flue gas generated by roasting green anodes according to claim 7, wherein in the step S4, clean water is pumped into the spray tower through a pump and a water supply pipe to cool the flue gas in the spray tower and form acid water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110347856.6A CN115140860A (en) | 2021-03-31 | 2021-03-31 | Acid water treatment device of green anode roasting flue gas purification spray tower and use method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110347856.6A CN115140860A (en) | 2021-03-31 | 2021-03-31 | Acid water treatment device of green anode roasting flue gas purification spray tower and use method |
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| CN115140860A true CN115140860A (en) | 2022-10-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110347856.6A Pending CN115140860A (en) | 2021-03-31 | 2021-03-31 | Acid water treatment device of green anode roasting flue gas purification spray tower and use method |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009089673A1 (en) * | 2008-01-18 | 2009-07-23 | Beijing Bootes Electric Power Sci-Tech Co., Ltd. | Multistage spray column for fuel gas desulfurization |
| CN102179151A (en) * | 2011-03-31 | 2011-09-14 | 四川鑫星铝业有限责任公司 | Alkali liquor wet purification technology for aluminum melting furnace smoke |
| CN205199205U (en) * | 2015-11-15 | 2016-05-04 | 黄菊兰 | Fountain dust remover |
| CN216472545U (en) * | 2021-03-31 | 2022-05-10 | 国家电投集团黄河上游水电开发有限责任公司 | Raw anode roasting flue gas purification spray tower acid water treatment device |
-
2021
- 2021-03-31 CN CN202110347856.6A patent/CN115140860A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009089673A1 (en) * | 2008-01-18 | 2009-07-23 | Beijing Bootes Electric Power Sci-Tech Co., Ltd. | Multistage spray column for fuel gas desulfurization |
| CN102179151A (en) * | 2011-03-31 | 2011-09-14 | 四川鑫星铝业有限责任公司 | Alkali liquor wet purification technology for aluminum melting furnace smoke |
| CN205199205U (en) * | 2015-11-15 | 2016-05-04 | 黄菊兰 | Fountain dust remover |
| CN216472545U (en) * | 2021-03-31 | 2022-05-10 | 国家电投集团黄河上游水电开发有限责任公司 | Raw anode roasting flue gas purification spray tower acid water treatment device |
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Application publication date: 20221004 |