CN114606556A - Electroplating chromium energy cyclic utilization system - Google Patents
Electroplating chromium energy cyclic utilization system Download PDFInfo
- Publication number
- CN114606556A CN114606556A CN202210321749.0A CN202210321749A CN114606556A CN 114606556 A CN114606556 A CN 114606556A CN 202210321749 A CN202210321749 A CN 202210321749A CN 114606556 A CN114606556 A CN 114606556A
- Authority
- CN
- China
- Prior art keywords
- component
- evaporation
- purification component
- storage tank
- heat exchange
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 title claims abstract description 30
- 229910052804 chromium Inorganic materials 0.000 title claims abstract description 29
- 239000011651 chromium Substances 0.000 title claims abstract description 29
- 238000009713 electroplating Methods 0.000 title claims abstract description 26
- 125000004122 cyclic group Chemical group 0.000 title description 3
- 238000001704 evaporation Methods 0.000 claims abstract description 82
- 230000008020 evaporation Effects 0.000 claims abstract description 82
- 238000000746 purification Methods 0.000 claims abstract description 75
- 239000003595 mist Substances 0.000 claims abstract description 41
- 238000007747 plating Methods 0.000 claims abstract description 40
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 33
- 238000003860 storage Methods 0.000 claims abstract description 31
- KRVSOGSZCMJSLX-UHFFFAOYSA-L chromic acid Substances O[Cr](O)(=O)=O KRVSOGSZCMJSLX-UHFFFAOYSA-L 0.000 claims abstract description 26
- AWJWCTOOIBYHON-UHFFFAOYSA-N furo[3,4-b]pyrazine-5,7-dione Chemical compound C1=CN=C2C(=O)OC(=O)C2=N1 AWJWCTOOIBYHON-UHFFFAOYSA-N 0.000 claims abstract description 26
- 238000004064 recycling Methods 0.000 claims abstract description 25
- 238000001179 sorption measurement Methods 0.000 claims abstract description 22
- 239000007788 liquid Substances 0.000 claims abstract description 17
- 238000000034 method Methods 0.000 claims abstract description 17
- 229910021645 metal ion Inorganic materials 0.000 claims abstract description 10
- 238000009826 distribution Methods 0.000 claims abstract description 8
- 238000005406 washing Methods 0.000 claims abstract description 8
- 239000007921 spray Substances 0.000 claims description 10
- 239000011347 resin Substances 0.000 claims description 8
- 229920005989 resin Polymers 0.000 claims description 8
- 150000001768 cations Chemical class 0.000 claims description 3
- 229910001430 chromium ion Inorganic materials 0.000 claims description 3
- 239000000110 cooling liquid Substances 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 3
- 229920006395 saturated elastomer Polymers 0.000 claims description 3
- 239000002918 waste heat Substances 0.000 claims description 3
- 238000005265 energy consumption Methods 0.000 abstract description 11
- 229910052751 metal Inorganic materials 0.000 abstract description 5
- 239000002184 metal Substances 0.000 abstract description 5
- 239000012141 concentrate Substances 0.000 abstract description 4
- 239000010865 sewage Substances 0.000 abstract description 4
- 230000002457 bidirectional effect Effects 0.000 abstract description 2
- 238000007664 blowing Methods 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 8
- 239000010410 layer Substances 0.000 description 6
- ZCDOYSPFYFSLEW-UHFFFAOYSA-N chromate(2-) Chemical compound [O-][Cr]([O-])(=O)=O ZCDOYSPFYFSLEW-UHFFFAOYSA-N 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 206010015856 Extrasystoles Diseases 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000010306 acid treatment Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000007789 gas Substances 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
- 230000001172 regenerating effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D17/00—Constructional parts, or assemblies thereof, of cells for electrolytic coating
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D17/00—Constructional parts, or assemblies thereof, of cells for electrolytic coating
- C25D17/02—Tanks; Installations therefor
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D21/00—Processes for servicing or operating cells for electrolytic coating
- C25D21/04—Removal of gases or vapours ; Gas or pressure control
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
- Treatment Of Water By Ion Exchange (AREA)
Abstract
The invention discloses an energy recycling system for chromium electroplating, which comprises a plating bath, a triple washing component, an adsorption component, a primary evaporation purification component, a fan, a secondary evaporation purification component, a heat exchange component and an air suction cover for adsorbing chromic acid mist, wherein the air suction cover is used for blowing chromic acid mist generated in a chromium electroplating process into the primary evaporation purification component, the primary evaporation purification component comprises an air inlet, a solution storage tank, a liquid distribution layer, an atomizer and a water mist separator, the secondary evaporation purification component is also connected with a refreshing pump, the heat exchange component comprises three communicated heat exchange tubes which are respectively arranged in the plating bath, the primary solution storage tank and the secondary solution storage tank, and the energy recycling system for chromium electroplating utilizes a multi-stage evaporation purification component to concentrate adsorbed metal ions and is recycled after reaching an applicable concentration; the heat exchange component utilizes the characteristics that the plating bath needs to be cooled and the evaporation purification component needs heat, and realizes bidirectional heat exchange, thereby fully utilizing the heat, reducing the energy consumption, reducing the dependence on a refrigerator, improving the metal utilization rate and reducing the sewage discharge.
Description
Technical Field
The invention relates to the technical field of energy conservation and environmental protection, in particular to a chromium electroplating energy recycling system aiming at chromic acid treatment.
Background
The electroplating of chromium, including decorative chromium and hard chromium, is an important branch of electroplating and is an important link in the manufacturing industry chain. The electroplated hard chromium is generally applied to the surface of a product position of a mold, and after the electroplated hard chromium is treated, the mold and a workpiece have the advantages of smooth and clean surface, easy demolding, no rustiness and the like. The deformation of the original parts is small in the plating process, the hardness (above HR 65) can be enhanced after the chromium plating is carried out on the surface layer, and the high temperature resistance reaches 500 ℃, and the corrosion resistance, the acid resistance and the wear resistance are realized. However, the electroplating enterprises are always confused by high energy consumption and high pollution of the chromium plating, the current efficiency of the chromium plating is very low, about 15 to 20 percent, and the rest is discharged by useless heat, so the traditional chromium plating bath has a refrigerator to stabilize the temperature of the plating bath and balance the heat generated by the low current efficiency of the chromium plating.
Many new technologies, such as metal recycling technology and water recycling technology, have appeared in the electroplating industry to reduce energy consumption and environmental pollution. The metal recycling technology is to adsorb chromate through ionic resin by means of resin adsorption technology, and recycle water. Regenerating resin and recycling chromic acid; then the chromate in the water is concentrated and recycled by an evaporation recycling technology and an evaporation means, but the method has the following disadvantages:
1. the resin adsorption recycling technology, the concentration of the regenerated chromate is lower than that of the plating bath, and the regenerated chromate cannot be directly recycled;
2. the evaporation recycling technical means has extremely high energy consumption and energy consumption, and adopts extremely high electric energy consumption.
Whether the evaporation purification component is adopted to concentrate metal ions adsorbed by the resin to achieve recycling concentration or not is assumed, heat generated in the electroplating process can be utilized and used as a heat energy source of the evaporation purification component, energy consumption is reduced, and meanwhile the temperature of the plating tank is also reduced. Therefore, it is necessary to design a recycling system that can recycle heat energy, save energy, and is more environment-friendly.
Disclosure of Invention
The purpose of the invention is as follows: in view of the technical requirements in the background technology, an electroplated chromium energy recycling system is designed, and an evaporation purification component is utilized to concentrate adsorbed metal ions to achieve the recycling concentration; the heat generated in the electroplating process is used as a heat energy source of the evaporation purification assembly, so that the energy consumption is reduced, and the temperature of the plating tank is reduced; the metal utilization rate is improved, the sewage discharge is reduced, the evaporation system and the plating bath cooling system are integrated, the energy consumption is effectively reduced, the energy is saved, the environment is protected, and the popularization and the application are convenient.
The technical scheme adopted for solving the problems is as follows:
the utility model provides an electrogilding chromium energy cyclic utilization system, includes coating bath, trigeminy washing subassembly, adsorption component, one-level evaporation purification subassembly, fan, second grade evaporation purification subassembly, heat exchange component and the cover that induced drafts that adsorbs the chromic acid fog.
The plating bath is internally provided with a chromium electroplating process, wherein the heat generated in the electroplating process is received and conducted to the primary evaporation purification component and the secondary evaporation purification component by the heat exchange component and is used for solution auxiliary heating to reduce the energy additionally consumed in the evaporation process, the upper end of the plating bath is provided with a plurality of air suction hoods,
the suction hood provides suction force by a fan, chromic acid mist generated in the chromium electroplating process is blown into the primary evaporation purification component,
the first-stage evaporation purification component comprises an air inlet, a solution storage tank, a liquid distribution layer, an atomizer and a water mist separator, chromic acid mist is introduced into the air inlet, the chromic acid mist and the water mist are in convection direction and fully contact with water and mist through the liquid distribution layer, the solution storage tank is externally connected with a circulating pump, the atomizer is pressed into the solution under pressure, the atomizer is uniformly distributed with spray heads, the spray heads spray the solution for adsorbing the chromic acid mist, the water mist separator separates the chromic acid mist after adsorption, adsorbs and dams the liquid with metal ions and falls into the solution storage tank, the chromic acid mist of the rest part is blown into the second-stage evaporation purification component by a fan, the concentrated solution after the first-stage evaporation purification is returned to a plating bath for recycling, and the water vapor enters the second-stage evaporation purification component,
the structure principle of the second-stage evaporation and purification component is the same as that of the first-stage evaporation and purification component, the second-stage evaporation and purification component is also connected with an updating pump to update solution for a solution storage tank, the updating pump pumps the solution of the second-stage evaporation and purification component into the triple water washing component, the solution is pumped into the adsorption component by the pump after three-stage coarse filtration, the residual metal ions after the second-stage evaporation and purification are adsorbed by the adsorption component, water is recycled, the regenerated liquid enters the first-stage solution storage tank of the first-stage evaporation and purification component after the adsorption component is saturated,
the heat exchange component comprises three communicated heat exchange tubes which are respectively arranged in the plating tank, the primary solution storage tank and the secondary solution storage tank, heat exchanged by the plating tank is supplied to the primary evaporation purification component and the secondary evaporation purification component as heat sources, waste heat of the primary evaporation purification component is transferred to the secondary evaporation purification component, and cooling liquid flows back to the plating tank to cool the plating tank.
Further, the adsorption component adopts cation resin to fully adsorb chromium ions.
Further, the temperature of the heat exchange tube in the primary solution storage tank is controlled within the range of 40-50 ℃.
Further, the temperature of the heat exchange tube in the secondary solution storage tank is controlled within the range of 30-40 ℃.
The invention has the beneficial effects that:
1. the chromium electroplating energy circulating system utilizes the multi-stage evaporation purification component to concentrate the adsorbed metal ions to reach the applicable concentration for recycling;
2. the heat exchange component utilizes the characteristics that the plating bath needs to be cooled and the evaporation purification component needs heat, and realizes bidirectional heat exchange, thereby fully utilizing the heat and effectively reducing the energy consumption;
3. the heat generated in the electroplating process is used as a heat energy source of the evaporation purification assembly, so that the dependence on a refrigerator is reduced, the energy consumption is reduced, and meanwhile, the temperature of the plating tank is reduced;
4. the metal utilization rate is improved, and the sewage discharge is reduced.
Drawings
FIG. 1 is a schematic diagram of an energy recycling system for chromium electroplating according to the present embodiment;
FIG. 2 is a schematic structural diagram of the evaporation purification assembly according to the present embodiment;
the device comprises a plating tank 1, a triple water washing 2, an adsorption component 3, a primary evaporation purification component 4, a secondary evaporation purification component 5, a heat exchange component 6, a fan 7, a circulating pump 8, an updating pump 9, an air suction cover 10, a liquid distribution layer 11, an atomizer 12, a water mist separation layer 13, a spray header 14, a solution storage tank 15 and chromic acid mist 16.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Referring to fig. 1-2, the present embodiment provides a system for recycling energy of chromium electroplating, which includes a plating tank 1, a triple water washing 2 assembly, an adsorption assembly 3, a primary evaporation purification assembly 4, a blower 7, a secondary evaporation purification assembly 5, a heat exchange assembly 6, and an air suction hood 10 for adsorbing chromic acid mist 16.
Specifically, referring to fig. 1, a chromium electroplating process occurs in the plating tank 1, wherein heat generated in the electroplating process is received by the heat exchange assembly 6 and transferred to the primary evaporation purification assembly 4 and the secondary evaporation purification assembly 5 for solution auxiliary heating to reduce energy required for the evaporation process, and a plurality of air suction hoods 10 are arranged at the upper end of the plating tank 1.
The suction hood 10 is provided with suction force by a fan 7, and chromic acid mist 16 generated in the chromium electroplating process is blown into the primary evaporation purification assembly 4.
Referring to fig. 2, the primary evaporation purification assembly 4 includes an air inlet, a solution storage tank 15, a liquid distribution layer 11, an atomizer 12, and a water mist separator, wherein chromic acid mist 16 is introduced into the air inlet, the chromic acid mist 16 and the water mist are in a convection direction and pass through the liquid distribution layer 11, water is sufficiently contacted with the mist, the solution storage tank 15 is externally connected with a circulation pump 8, the solution is pressurized and pumped into the atomizer 12, the atomizer 12 is uniformly distributed with spray heads 14, the spray heads 14 spray the solution for adsorbing the chromic acid mist 16, the water mist separator separates the water mist of the adsorbed chromic acid mist 16, the liquid with metal ions is adsorbed and intercepted, after sufficient adsorption, the chromium mist is adsorbed by the atomized small liquid droplets and then discharged up to the standard, the small liquid droplets are prevented from being carried away, the water mist separator is added, the tiny liquid droplets are intercepted and fall into the solution storage tank 15, and the rest chromic acid mist 16 is blown into the secondary evaporation purification assembly 5 by a fan 7, the concentrated solution after the first-stage evaporation and purification is returned to the plating bath 1 for recycling, and the water vapor enters the second-stage evaporation and purification component 5.
Referring to fig. 2, the structural principle of the second-stage evaporation purification assembly 5 is the same as that of the first-stage evaporation purification assembly 4, the second-stage evaporation purification assembly 5 is further connected with an updating pump 9 to update the solution in a solution storage tank 15, the solution of the second-stage evaporation purification assembly 5 is pumped into the triple water washing assembly 2, after three-stage coarse filtration, the solution is pumped into the adsorption assembly 3 through the pump, after the adsorption assembly 3 adsorbs residual metal ions after the second-stage evaporation purification, water is recycled, and after the adsorption assembly 3 is saturated, regenerated liquid enters the first-stage solution storage tank of the first-stage evaporation purification assembly 4. Through the two-stage evaporation purification assembly, the discharged gas stably reaches the standard so as to protect the environment.
The heat exchange component 6 comprises three communicated heat exchange tubes which are respectively arranged in the plating tank 1, the primary solution storage tank and the secondary solution storage tank, heat exchanged by the plating tank 1 is supplied to the primary evaporation purification component 4 and the secondary evaporation purification component 5 as heat sources, waste heat of the primary evaporation purification component 4 is transferred to the secondary evaporation purification component 5, and cooling liquid flows back to the plating tank 1 to cool the plating tank 1.
The further embodiment is that the adsorption component 3 adopts cation resin to fully adsorb chromium ions, improve the utilization rate of chromium metal and reduce sewage discharge.
In a further embodiment, the temperature of the heat exchange tube in the primary solution storage tank is controlled to be 45 ℃, so that the evaporation of water is accelerated, and the concentration of the chromate solution is accelerated.
In a further embodiment, the heat exchange tubes in the secondary solution storage tank are controlled to a temperature of 35 ℃.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes, modifications, substitutions and alterations can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art, the scope of the present invention being defined by the appended claims and their equivalents.
Claims (5)
1. An electroplating chromium energy recycling system is characterized in that: comprises a plating bath, a triple water washing component, an adsorption component, a primary evaporation and purification component, a fan, a secondary evaporation and purification component, a heat exchange component and an air suction hood for adsorbing chromic acid mist,
the plating bath is internally provided with a chromium electroplating process, wherein the heat generated in the electroplating process is received and conducted to the primary evaporation and purification component and the secondary evaporation and purification component by the heat exchange component, the upper end of the plating bath is provided with a plurality of air suction hoods,
the suction hood provides suction force by a fan, chromic acid mist generated in the chromium electroplating process is blown into the primary evaporation purification component,
the first-stage evaporation purification component comprises an air inlet, a solution storage tank, a liquid distribution layer, an atomizer and a water mist separator, chromic acid mist is introduced into the air inlet, the chromic acid mist and the water mist are in convection direction and fully contact with water and mist through the liquid distribution layer, the solution storage tank is externally connected with a circulating pump, the solution is pressurized and squeezed into the atomizer, the water mist separator separates the chromic acid mist and the water mist after adsorption, the liquid with metal ions is adsorbed and intercepted and falls into the solution storage tank, the residual chromic acid mist is blown into the second-stage evaporation purification component by a fan, the concentrated solution after the first-stage evaporation purification is returned to a plating tank for recycling, and the water vapor enters the second-stage evaporation purification component,
the structure principle of the second-stage evaporation and purification component is the same as that of the first-stage evaporation and purification component, the second-stage evaporation and purification component is also connected with an updating pump to update solution for a solution storage tank, the updating pump pumps the solution of the second-stage evaporation and purification component into the triple water washing component, the solution is pumped into the adsorption component by the pump after three-stage coarse filtration, the residual metal ions after the second-stage evaporation and purification are adsorbed by the adsorption component, water is recycled, the regenerated liquid enters the first-stage solution storage tank of the first-stage evaporation and purification component after the adsorption component is saturated,
the heat exchange component comprises three communicated heat exchange tubes which are respectively arranged in the plating tank, the primary solution storage tank and the secondary solution storage tank, heat exchanged by the plating tank is supplied to the primary evaporation purification component and the secondary evaporation purification component as heat sources, waste heat of the primary evaporation purification component is transferred to the secondary evaporation purification component, and cooling liquid flows back to the plating tank to cool the plating tank.
2. The electrochromic energy recycling system according to claim 1, wherein: the atomizers are uniformly distributed with spray heads, and the spray heads spray solution to adsorb chromic acid mist.
3. The electrochromic energy recycling system according to claim 1, wherein: the adsorption component adopts cation resin to fully adsorb chromium ions.
4. The electrochromic energy recycling system according to claim 1, wherein: the temperature of the heat exchange tube in the primary solution storage tank is controlled within the range of 40-50 ℃.
5. The electrochromic energy recycling system according to claim 1, wherein: the temperature of the heat exchange tube in the secondary solution storage tank is controlled within the range of 30-40 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210321749.0A CN114606556B (en) | 2022-03-30 | 2022-03-30 | Energy recycling system for electroplating chromium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210321749.0A CN114606556B (en) | 2022-03-30 | 2022-03-30 | Energy recycling system for electroplating chromium |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114606556A true CN114606556A (en) | 2022-06-10 |
| CN114606556B CN114606556B (en) | 2024-07-16 |
Family
ID=81866264
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210321749.0A Active CN114606556B (en) | 2022-03-30 | 2022-03-30 | Energy recycling system for electroplating chromium |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114606556B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201737796U (en) * | 2010-07-08 | 2011-02-09 | 无锡出新环保设备有限公司 | Chromium aging liquid treatment device |
| CN102330141A (en) * | 2011-06-30 | 2012-01-25 | 无锡出新环保设备有限公司 | Plating waste gas treatment device |
| CN102586849A (en) * | 2012-03-16 | 2012-07-18 | 王树萱 | Chromium plating production equipment without discharge of electroplating waste liquid, waste gas and waste residues (three wastes) |
| CN103060884A (en) * | 2013-01-14 | 2013-04-24 | 无锡市星亿涂装环保设备有限公司 | Chromic acid recycling treatment system and process in hard chrome plating production line |
| CN107376592A (en) * | 2017-07-11 | 2017-11-24 | 石家庄印钞有限公司 | A kind of chromium plating fog recovery and treatment method |
| CN207726902U (en) * | 2017-09-20 | 2018-08-14 | 苏州荣轩环保有限公司 | One kind being used for anodized waste water processing equipment |
-
2022
- 2022-03-30 CN CN202210321749.0A patent/CN114606556B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201737796U (en) * | 2010-07-08 | 2011-02-09 | 无锡出新环保设备有限公司 | Chromium aging liquid treatment device |
| CN102330141A (en) * | 2011-06-30 | 2012-01-25 | 无锡出新环保设备有限公司 | Plating waste gas treatment device |
| CN102586849A (en) * | 2012-03-16 | 2012-07-18 | 王树萱 | Chromium plating production equipment without discharge of electroplating waste liquid, waste gas and waste residues (three wastes) |
| CN103060884A (en) * | 2013-01-14 | 2013-04-24 | 无锡市星亿涂装环保设备有限公司 | Chromic acid recycling treatment system and process in hard chrome plating production line |
| CN107376592A (en) * | 2017-07-11 | 2017-11-24 | 石家庄印钞有限公司 | A kind of chromium plating fog recovery and treatment method |
| CN207726902U (en) * | 2017-09-20 | 2018-08-14 | 苏州荣轩环保有限公司 | One kind being used for anodized waste water processing equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114606556B (en) | 2024-07-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103060884B (en) | A kind of hard chrome plating production line chromic acid circulation and stress treatment system and technique | |
| CN103263833B (en) | Electroplating waste gas comprehensive treatment device and process | |
| CN104307344B (en) | Carbon black tail gas purifier | |
| CN114606556A (en) | Electroplating chromium energy cyclic utilization system | |
| CN104190197B (en) | Coke wet quenching tower top loss waste gas purification apparatus and process for purifying | |
| CN203411359U (en) | Device for processing residual ammonia water of coke oven with negative pressure flash evaporation method | |
| CN100378012C (en) | Method for treating ammonia nitrogen in charking deposed ammonia | |
| CN204337983U (en) | The recycling treatment process system of MOCVD waste gas in a kind of LED chip production process | |
| CN102698462A (en) | Acid mist condensing water-saving method of reaction kettle for producing aluminum polychlorid and system thereof | |
| CN208839321U (en) | A kind of the hydrogen chloride tail gas processing and purification recycling equipment of industrial chlorinations reaction generation | |
| CN214735128U (en) | Ammonia nitrogen wastewater treatment system | |
| CN203034135U (en) | System for recycling and treating chromic acid circularly on hard chrome plating production line | |
| CN105363332A (en) | Electroplating waste gas treatment system | |
| CN201899977U (en) | Tail gas recovery device of coke tar distillation tower | |
| CN108686483A (en) | A kind of acid mist processing equipment that efficient low-consume is Ke Xunhuanliyong | |
| CN2825121Y (en) | A device for spray-coating insulation material on surface of steel-making oxygen lance | |
| CN106629848B (en) | Electroplating chromic anhydride ring recovery system | |
| CN209237691U (en) | Tail gas and subsequent acidic water treatment facilities when a kind of damage | |
| CN109603535B (en) | Plasma vapor liquefaction recovery processing system and recovery processing method thereof | |
| CN205462950U (en) | Paint spray booth | |
| CN221501289U (en) | Chromium plating device | |
| CN204182257U (en) | Coke wet quenching tower top loss waste gas purification apparatus | |
| CN205392087U (en) | Tail gas treatment device for refining lubricating oil | |
| CN113418399B (en) | Environment-friendly and clean aluminum profile production line | |
| CN221166089U (en) | Electronic wastewater concentration device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |