CN114558437A - Acid mist treatment method for hot galvanizing - Google Patents
Acid mist treatment method for hot galvanizing Download PDFInfo
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- CN114558437A CN114558437A CN202210354647.9A CN202210354647A CN114558437A CN 114558437 A CN114558437 A CN 114558437A CN 202210354647 A CN202210354647 A CN 202210354647A CN 114558437 A CN114558437 A CN 114558437A
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- acid mist
- spraying
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- treatment
- treatment method
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- 239000002253 acid Substances 0.000 title claims abstract description 134
- 239000003595 mist Substances 0.000 title claims abstract description 127
- 238000000034 method Methods 0.000 title claims abstract description 36
- 238000005246 galvanizing Methods 0.000 title claims abstract description 31
- 238000005507 spraying Methods 0.000 claims abstract description 45
- 238000001914 filtration Methods 0.000 claims abstract description 26
- 239000007788 liquid Substances 0.000 claims abstract description 18
- 238000010521 absorption reaction Methods 0.000 claims abstract description 11
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 21
- 239000002274 desiccant Substances 0.000 claims description 20
- 208000005156 Dehydration Diseases 0.000 claims description 16
- 230000018044 dehydration Effects 0.000 claims description 16
- 238000006297 dehydration reaction Methods 0.000 claims description 16
- 238000007599 discharging Methods 0.000 claims description 10
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 7
- 239000007921 spray Substances 0.000 claims description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 6
- 239000000292 calcium oxide Substances 0.000 claims description 4
- 235000012255 calcium oxide Nutrition 0.000 claims description 4
- 230000007797 corrosion Effects 0.000 claims description 4
- 238000005260 corrosion Methods 0.000 claims description 4
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 claims description 4
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 4
- 239000011707 mineral Substances 0.000 claims description 4
- 235000010755 mineral Nutrition 0.000 claims description 4
- 229910052901 montmorillonite Inorganic materials 0.000 claims description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 4
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 3
- 239000006004 Quartz sand Substances 0.000 claims description 3
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 14
- 238000006386 neutralization reaction Methods 0.000 abstract description 10
- 239000007789 gas Substances 0.000 abstract description 5
- 239000002245 particle Substances 0.000 abstract description 3
- 239000000779 smoke Substances 0.000 abstract description 3
- 238000001035 drying Methods 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000004630 mental health Effects 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Images
Classifications
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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
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/30—Particle separators, e.g. dust precipitators, using loose filtering material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/26—Drying gases or vapours
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/26—Drying gases or vapours
- B01D53/263—Drying gases or vapours by absorption
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- 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
- B01D53/346—Controlling the process
-
- 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
- B01D53/38—Removing components of undefined structure
- B01D53/40—Acidic components
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/025—Other waste gases from metallurgy plants
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention provides an acid mist treatment method for hot galvanizing, which relates to the technical field of galvanizing processing and comprises the following steps: s1: in the hot galvanizing process, the acid mist emitted by the galvanizing pool is sucked and collected through the air draft equipment, and the acid mist is guided into the temporary storage chamber through the air draft equipment and is stored. According to the acid mist treatment method, acid mist is sucked and collected, then the spraying equipment can perform neutralization absorption on the acid mist by spraying the spraying liquid, and after the acid mist is neutralized and absorbed, the acid mist is detected again, so that unqualified acid mist can be sprayed and neutralized again, the acid mist is prevented from being incompletely neutralized and absorbed, then the acid mist is dried and dehydrated, and is introduced into the filtering equipment for filtering after being treated, smoke particles and harmful gases in the acid mist are further removed, and the acid mist is circulated until the acid mist can be discharged and then discharged, so that the pollution of the acid mist to the environment is effectively prevented, and the high-environment-friendly treatment effect is achieved.
Description
Technical Field
The invention relates to the technical field of galvanizing processing, in particular to an acid mist treatment method for hot galvanizing.
Background
In the hot galvanizing process, acid mist which is dispersed in a hot galvanizing workshop often reacts with an iron substrate to generate an alloy layer, so that the base and a plating layer are combined, the service life of the hot galvanizing workshop can be effectively improved, the working environment of the whole hot galvanizing line is deteriorated, meanwhile, harm is caused to physical and mental health of workers, the acid mist is often required to be collected and treated in order to reduce the harm of the acid mist to the workers, the existing treatment method is difficult to fully treat the acid mist, the acid mist is still difficult to be fully neutralized and absorbed after being treated, certain pollution can be caused to the environment after waste gas is discharged, and a better environment-friendly treatment effect is difficult to achieve.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides an acid mist treatment method for hot galvanizing.
In order to achieve the purpose, the invention adopts the following technical scheme: the acid mist treatment method for hot galvanizing comprises the following steps:
s1: in the hot galvanizing process, acid mist emitted by a galvanizing pool is sucked and collected through air draft equipment, and the acid mist is guided into a temporary storage chamber through the air draft equipment to be stored;
s2: detecting the pH value of the acid mist in the temporary storage chamber through a pH detector, detecting the concentration of the acid mist through an acid mist concentration detector, and then discharging the acid mist in the temporary storage chamber into a spraying device at a proper discharge speed according to the difference of the concentrations of the acid mist;
s3: spraying a spraying liquid through spraying equipment to absorb the acid mist;
s4; the acid mist after being sprayed is detected again, the PH value of the acid mist is detected, whether acid substances of the acid mist are completely neutralized and absorbed is judged, if yes, the acid mist is subjected to subsequent dehydration treatment, and if not, the acid mist is introduced into spraying equipment again for spraying treatment;
s5: introducing the acid mist into a pipeline filled with a drying agent for dehydration treatment, and performing dehydration cycle for 3-4 times;
s6: and (3) guiding the dehydrated acid mist into a filtering device, carrying out filtering treatment, guiding into a discharge chamber after the filtering treatment, carrying out detection treatment, discharging by a discharge fan after the detection can be carried out, if the acid mist is not qualified, guiding into the filtering device again, carrying out circulating filtering treatment, and discharging by the discharge fan until the acid mist reaches a discharge standard, thus finishing the whole acid mist absorption treatment process.
In order to achieve a better collecting effect, the invention improves that the air draft device in the S1 is an acid-resistant and corrosion-resistant air draft fan.
In order to achieve better neutralization and absorption effects, the improvement of the invention is that the spray liquid in the S3 is a sodium hydroxide solution, a soda solution or a potassium hydroxide solution with the concentration of 25-30%, and the preferred spray liquid is the sodium hydroxide solution.
In order to achieve better neutralization and absorption effects, the invention improves that the temperature of the spraying process in the S3 is controlled to be 20-30 ℃.
In order to reduce the waste of the spraying liquid, the improvement of the invention is that the spraying equipment in the step S3 needs to collect the sprayed spraying liquid in the spraying process and then perform the cyclic spraying for use.
In order to judge whether the pH value is qualified or not, the improvement of the invention is that the pH value detected in S4 is 6.9-7.1, which is qualified.
In order to achieve better drying and dehydration effects, the improvement of the invention is that the desiccant filled in the S5 is one of a quicklime desiccant, a montmorillonite desiccant active mineral desiccant and a silica gel desiccant.
In order to have different dehydration methods, the improvement of the invention is that in the S5, the acid mist can be selectively led into concentrated sulfuric acid for 2-3 times to carry out dehydration treatment.
In order to achieve a better filtering effect, the invention improves that the filtering device in the S6 is a quartz sand activated carbon filter.
Compared with the prior art, the invention has the advantages and positive effects that,
in the invention, the acid mist is sucked and collected, then the acid mist is led into the temporary storage chamber for storage, and the concentration of the acid mist is detected, thereby controlling the discharge rate of the acid mist according to the concentration of the acid mist when the acid mist is neutralized and absorbed, so that the spraying equipment can spray the spraying liquid, neutralizing and absorbing the acid mist, detecting the acid mist again after the acid mist is neutralized and absorbed, so that the unqualified acid mist can be sprayed and neutralized again, thereby preventing the acid mist from being incompletely neutralized and absorbed, then drying and dehydrating the acid mist, guiding the acid mist into filtering equipment for filtering after the treatment, further removing the smoke particles in the acid mist, and harmful gas, make its circulation until can discharge after, discharge again to the effectual acid mist that prevents produces the pollution to the environment, reach high environmental protection treatment effect.
Drawings
FIG. 1 is a flow chart of the acid mist treatment method for hot galvanizing according to the present invention.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Referring to fig. 1, the present invention provides an acid mist treatment method for hot galvanizing, comprising the following steps:
s1: in the hot galvanizing process, acid mist emitted by a galvanizing pool is sucked and collected through air draft equipment, and the acid mist is guided into a temporary storage chamber through the air draft equipment to be stored;
s2: detecting the pH value of the acid mist in the temporary storage chamber through a pH detector, detecting the concentration of the acid mist through an acid mist concentration detector, and then discharging the acid mist in the temporary storage chamber into a spraying device at a proper discharge speed according to the difference of the concentrations of the acid mist;
s3: spraying a spraying liquid through spraying equipment to absorb the acid mist;
s4; the acid mist after being sprayed is detected again, the PH value of the acid mist is detected, whether acid substances of the acid mist are completely neutralized and absorbed is judged, if yes, the acid mist is subjected to subsequent dehydration treatment, and if not, the acid mist is introduced into spraying equipment again for spraying treatment;
s5: introducing the acid mist into a pipeline filled with a drying agent for dehydration treatment, and performing dehydration cycle for 3-4 times;
s6: and (3) guiding the dehydrated acid mist into a filtering device, carrying out filtering treatment, guiding into a discharge chamber after the filtering treatment, carrying out detection treatment, discharging by a discharge fan after the detection can be carried out, if the acid mist is not qualified, guiding into the filtering device again, carrying out circulating filtering treatment, and discharging by the discharge fan until the acid mist reaches a discharge standard, thus finishing the whole acid mist absorption treatment process.
And the air draft equipment in the S1 is an acid-resistant and corrosion-resistant air draft fan, and the acid-resistant and corrosion-resistant air draft fan can ensure the normal operation of the extraction process.
The spraying liquid in the S3 is a sodium hydroxide solution, a soda solution or a potassium hydroxide solution with the concentration of 25-30%, preferably the spraying liquid is the sodium hydroxide solution, after the sodium hydroxide solution is subjected to neutralization reaction, harmful gas cannot be generated, and a better neutralization absorption effect can be achieved, the temperature in the spraying process in the S3 is controlled to be 20-30 ℃, the spraying equipment in the S3 is required to collect the sprayed spraying liquid in the spraying process, and then the spraying equipment is used in a circulating spraying mode, so that the use of the spraying liquid can be effectively reduced, the waste of the spraying liquid is reduced, the whole treatment process can be more environment-friendly, the detected pH value in the S4 is 6.9-7.1, the qualified pH value is obtained, and the acid mist can be completely neutralized, and can reach the standard of emission.
The drying agent filled in the S5 is one of a quicklime drying agent, a montmorillonite drying agent active mineral drying agent and a silica gel drying agent, and the quicklime drying agent, the montmorillonite drying agent active mineral drying agent and the silica gel drying agent can achieve good dehydration and drying effects, can effectively remove moisture in acid mist, and can prevent the moisture from influencing the subsequent filtration treatment process of the acid mist.
S5, the acid mist can be guided into the concentrated sulfuric acid for 2-3 times to be dehydrated, the concentrated sulfuric acid can achieve a good dehydration effect and cannot affect the acid mist, and S6 shows that the filtering device is a quartz sand activated carbon filter which can effectively absorb smoke particles and harmful gases contained in the acid mist, so that the acid mist can obtain a better purification effect, and the effect of high environmental-friendly emission is achieved.
The working principle is as follows: through carrying out the suction to the acid mist and collecting, then deposit in leading-in the temporary storage of acid mist, and detect acid mist concentration, thereby when carrying out neutralization absorption to the acid mist, can be according to the concentration of acid mist, control the emission rate of acid mist, so that spraying equipment can spray the liquid through spraying, carry out neutralization absorption to the acid mist, and after neutralization absorption, detect the acid mist again, make unqualified acid mist spray neutralization once more, thereby prevent that the acid mist from failing to obtain complete neutralization absorption, then carry out drying and dehydration to the acid mist, carry out filtration treatment in leading-in filtration equipment after the processing, further get rid of the smog granule in the acid mist, and harmful gas, make its circulation until can discharging after, discharge again, thereby effectually prevent that the acid mist from polluting the environment, reach high environmental protection treatment effect.
While the invention has been described with reference to specific embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention.
Claims (9)
1. The acid mist treatment method for hot galvanizing is characterized by comprising the following steps:
s1: in the hot galvanizing process, acid mist emitted by a galvanizing pool is sucked and collected through air draft equipment, and the acid mist is guided into a temporary storage chamber through the air draft equipment to be stored;
s2: detecting the pH value of the acid mist in the temporary storage chamber through a pH detector, detecting the concentration of the acid mist through an acid mist concentration detector, and then discharging the acid mist in the temporary storage chamber into a spraying device at a proper discharge speed according to the difference of the concentrations of the acid mist;
s3: spraying a spraying liquid through spraying equipment to absorb the acid mist;
s4; the acid mist after being sprayed is detected again, the PH value of the acid mist is detected, whether acid substances of the acid mist are completely neutralized and absorbed is judged, if yes, the acid mist is subjected to subsequent dehydration treatment, and if not, the acid mist is introduced into spraying equipment again for spraying treatment;
s5: introducing the acid mist into a pipeline filled with a drying agent for dehydration treatment, and performing dehydration cycle for 3-4 times;
s6: and (3) guiding the dehydrated acid mist into a filtering device, carrying out filtering treatment, guiding into a discharge chamber after the filtering treatment, carrying out detection treatment, discharging by a discharge fan after the detection can be carried out, if the acid mist is not qualified, guiding into the filtering device again, carrying out circulating filtering treatment, and discharging by the discharge fan until the acid mist reaches a discharge standard, thus finishing the whole acid mist absorption treatment process.
2. The acid mist treatment method for hot galvanizing according to claim 1, characterized in that: and the air draft equipment in the S1 is an acid-resistant and corrosion-resistant air draft fan.
3. The acid mist treatment method for hot galvanizing according to claim 1, characterized in that: the spray liquid in the S3 is a sodium hydroxide solution, a soda solution or a potassium hydroxide solution with the concentration of 25-30%, and preferably the spray liquid is the sodium hydroxide solution.
4. The acid mist treatment method for hot galvanizing according to claim 1, characterized in that: the temperature of the spraying process in the S3 is controlled to be 20-30 ℃.
5. The acid mist treatment method for hot galvanizing according to claim 1, characterized in that: in the spraying process of the spraying equipment in the step S3, the sprayed spraying liquid needs to be collected and then recycled.
6. The acid mist treatment method for hot galvanizing according to claim 1, characterized in that: and the pH value detected in the S4 is 6.9-7.1, which is an qualified pH value.
7. The acid mist treatment method for hot galvanizing according to claim 1, characterized in that: the desiccant filled in the S5 is one of a quicklime desiccant, a montmorillonite desiccant active mineral desiccant and a silica gel desiccant.
8. The acid mist treatment method for hot dip galvanizing according to claim 1, characterized in that: in S5, the acid mist may be introduced into concentrated sulfuric acid for 2 to 3 times to perform dehydration.
9. The acid mist treatment method for hot dip galvanizing according to claim 1, characterized in that: and the filtering equipment in the S6 is a quartz sand activated carbon filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210354647.9A CN114558437A (en) | 2022-04-06 | 2022-04-06 | Acid mist treatment method for hot galvanizing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210354647.9A CN114558437A (en) | 2022-04-06 | 2022-04-06 | Acid mist treatment method for hot galvanizing |
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| Publication Number | Publication Date |
|---|---|
| CN114558437A true CN114558437A (en) | 2022-05-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210354647.9A Pending CN114558437A (en) | 2022-04-06 | 2022-04-06 | Acid mist treatment method for hot galvanizing |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116983808A (en) * | 2023-09-28 | 2023-11-03 | 四川云华川科技有限公司 | Waste incineration flue gas deacidification and atomization device and method thereof |
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| CN204746010U (en) * | 2015-07-03 | 2015-11-11 | 杭州祥莺环保设备有限公司 | Acid mist exhaust -gas treatment equipment |
| CN204952563U (en) * | 2015-08-14 | 2016-01-13 | 傅映霞 | Thorough purifier of bad acid mist air is followed to high efficiency |
| US20170175279A1 (en) * | 2014-04-23 | 2017-06-22 | Outotec (Finland) Oy | Method and arrangement for collecting and removal of acid mist from an electrolytic cell |
| CN108479367A (en) * | 2018-06-19 | 2018-09-04 | 宿迁龙净环保科技有限公司 | A kind of acid mist collecting spray equipment |
| CN213668627U (en) * | 2020-07-30 | 2021-07-13 | 四川美立方环保科技有限公司 | Acid mist treatment system for copper plating workshop |
-
2022
- 2022-04-06 CN CN202210354647.9A patent/CN114558437A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201182965Y (en) * | 2007-11-09 | 2009-01-21 | 范维林 | Combined lab waste gas purification processing unit |
| US20170175279A1 (en) * | 2014-04-23 | 2017-06-22 | Outotec (Finland) Oy | Method and arrangement for collecting and removal of acid mist from an electrolytic cell |
| CN204746010U (en) * | 2015-07-03 | 2015-11-11 | 杭州祥莺环保设备有限公司 | Acid mist exhaust -gas treatment equipment |
| CN204952563U (en) * | 2015-08-14 | 2016-01-13 | 傅映霞 | Thorough purifier of bad acid mist air is followed to high efficiency |
| CN108479367A (en) * | 2018-06-19 | 2018-09-04 | 宿迁龙净环保科技有限公司 | A kind of acid mist collecting spray equipment |
| CN213668627U (en) * | 2020-07-30 | 2021-07-13 | 四川美立方环保科技有限公司 | Acid mist treatment system for copper plating workshop |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116983808A (en) * | 2023-09-28 | 2023-11-03 | 四川云华川科技有限公司 | Waste incineration flue gas deacidification and atomization device and method thereof |
| CN116983808B (en) * | 2023-09-28 | 2023-12-12 | 四川云华川科技有限公司 | Waste incineration flue gas deacidification and atomization device and method thereof |
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Application publication date: 20220531 |