CN203440472U - Acid mist recovery system device - Google Patents
Acid mist recovery system device Download PDFInfo
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- CN203440472U CN203440472U CN201320491502.XU CN201320491502U CN203440472U CN 203440472 U CN203440472 U CN 203440472U CN 201320491502 U CN201320491502 U CN 201320491502U CN 203440472 U CN203440472 U CN 203440472U
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- acid mist
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- anode frame
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Abstract
The utility model relates to accessory equipment of electrolytic deposition equipment in the field of a chemical technology, in particular to an acid mist recovery system device. The acid mist recovery system device comprises a cathode frame and an anode frame which are arranged in an electrodeposition cell, and also comprises an acid mist absorbing tower and a circulating groove, wherein an osmotic membrane is arranged between the cathode frame and the anode frame; the cathode frame and the anode frame are fixedly connected through a threaded rod; an acid mist discharge opening is formed in the anode frame; ventilation channels are formed on the electrodeposition cell; each ventilation channel is provided with a small hole corresponding to the acid mist discharge opening in the anode frame; a draft fan is connected with the ventilation channels through pipelines; the acid mist absorbing tower is connected with the air draft fan and the circulating groove respectively. The acid mist recovery system device changes the severe environment caused by the situation that acid mist generated during an electrodeposition process in an old electrodeposition device is discharged directly and unsystematically. Ventilation equipment adopts negative-pressure type air drafting, so that resources are saved. The phenomenon that liquid formed on a gas-collecting hood drips on a copper row or a copper rod and corrodes the copper to affect the quality of the product nickel, which is caused by adopting the gas-collecting hood is avoided.
Description
Technical field
The utility model relates to the electrolytic deposition auxiliary facility in chemical technology field, belongs to environmental technology field, is specially a kind of acid mist recovering system.
Background technology
In the device of traditional electro deposited nickel or electrodeposited cobalt, due at anode H
2o loses electronics and generates oxygen and hydrogen ion, and oxygen is overflowed, and hydrogen ion is enrichment gradually, and nickel ion in solution obtains electronics on negative electrode, separate out electro deposited nickel, in to the process of electro deposited nickel or electrodeposited cobalt, positive column hydrogen ion enrichment, this process is for making acid-respons process, oxygen and steam that anode produces overflow from liquid, and bubble surface is brought a small amount of acid in air under tension force effect, form acid mist, make the direct amorphous operating space that enters of acid mist producing, had a strong impact on production environment.Also the plant and equipment of steel construction are had to very large corrodibility, reduced the work-ing life of plant and equipment, also affect the healthy of workman simultaneously.
Also there is at present the acid fog recovery device of developing, such as application number is in the nickel electrodeposition acid mist absorption apparatus adopting in 200720187328.4, what it adopted is that gas skirt extracts acid mist, like this, certainly will all need to arrange gas skirt in each anode upper end, also needing in addition to add pump-line just can make acid mist discharge, in electrolytic deposition process, the acid mist producing is meeting condensation in cover, then the drop forming can drop onto on the copper bar or copper bar in electrolyzer, can corrode copper, also can affect the quality of product nickel, and, at anode, add gas skirt, maintainer is difficult to enter the inside and keeps in repair, need to sling after lid and could operate, be certain to like this increase labour intensity.
Summary of the invention
The utility model is just for above technical problem, provides and can extend plant and equipment work-ing life, and can improve preferably Working environment, well the acid mist recovering system to acid mist recycling.
To achieve these goals, the technical solution adopted in the utility model is such:
A kind of acid mist recovering system, comprise negative electrode frame and anode frame, in negative electrode frame, negative electrode is set, anode is set in anode frame, Winning cell is connected with header tank, electrolytic solution in header tank enters Winning cell by pipeline, owing to having offered electrolyte entrance on negative electrode frame, so the electrolytic solution in Winning cell enters negative electrode frame from electrolyte entrance, between negative electrode frame and anode frame, permeable membrane is set, because the permeable membrane adopting has certain perviousness, make electrolytic solution enter anode frame from permeable membrane, complete whole electrolytic deposition process, owing to having produced oxygen acid mist in this electrolytic deposition process, so this system also comprises acid fog absorption tower, anode frame is closed structure, due to acid mist relief outlet being set on anode frame, due in electrolytic nickel or electrodeposited cobalt, the H of positive column
2o loses electronics and generates oxygen and H
+, thereby in positive column, acid concentration raises gradually, and this process is for making acid-respons process, and at negative electrode, nickel ion obtains electronics, precipitating metal nickel.The reaction mechanism of electro deposited nickel is as follows:
Anodic reaction: H
2o-2e
-=1/2O
2↑+2H
+
Cathodic reaction: Ni2
++ 2e=Ni
Then the acid mist of generation is entered to air draft passage by acid mist relief outlet, aperture is offered in the side of this air draft passage, acid mist is in aperture admission passage, under the effect of vacuum fan, all entering acid fog absorption tower processes, this system also comprises circulation groove, from acid fog absorption tower material out, be pumped to circulation groove, in circulation groove, add sodium carbonate, make acid in acid mist neutralize and make the nickel ion recycling being mingled with.The principle absorbing is as follows:
Na
2CO
3+H
2SO
4=Na
2SO
4+CO
2↑+H
2O
The composition of oxygen acid mist is H
2sO
4, NiSO
4and O
2, the add-on of described sodium carbonate is according to reaction formula H
2sO
4+ Na
2cO
3=Na
2sO
4+ H
2o+CO
2↑ in proportionlity proportioning after add.Gas after treatment, detects rear discharge up to standard.Reclaim the single nickel salt being mingled with in acid mist simultaneously.Overcome the defect (as Fig. 1) that the direct discharge of acid mist is made to work under bad environment.
This acid mist recovering system, comprise the negative electrode frame and the anode frame that are arranged in Winning cell, this device also comprises acid fog absorption tower and circulation groove, between anode frame and anode frame, permeable membrane is set, and all by screw rod, be fixedly connected with between anode and cathode frame, acid mist relief outlet is set on anode frame, air draft passage is set on Winning cell, aperture is all set corresponding with the acid mist relief outlet on anode frame on each air draft passage, vacuum fan is connected with air draft passage by pipeline, and acid fog absorption tower is connected with circulation groove with vacuum fan respectively.Circulation groove is connected with pump, and negative electrode frame is wider than anode frame, and the interpole gap between negative electrode frame and anode frame is 70-130mm; The anolyte outlet that anode frame lower end arranges is connected with arm, and anode frame lower end is also provided with anolyte outlet.
Direct Closed suction from anode frame, and be different from traditional by the mode that adds gas skirt on electrolyzer, (as shown in Figure 2) be also different from and on anode, add gas skirt, then make gas enter collection and confinement of gases pipeline, adopt gas skirt to collect acid mist (as shown in Figure 3), not only can occupy electrolyzer space, make anode and cathode in groove put into quantity minimizing, and bad operation.If the gas in gas skirt is not discharged in time, also can in gas skirt, form water droplet, drop on copper bar or copper bar, affect the quality of electrolytic nickel, the quality of product can be had a greatly reduced quality.
Anode and cathode liquid level difference is 15mm-25mm, and permeable membrane adopts corrosion resistant woven dacron conventionally, and as preferably, the permeable membrane of selecting is woven dacron, and its model is 3751.The selection of permeable membrane is more crucial, if the poor permeability of permeable membrane can affect the speed of electrodeposition, if perviousness is very good, electrolytic solution enters anode frame very soon, can not keep liquid level poor, does not also reach electrodeposition effect.
In the upper end of anode frame, be provided with acid mist relief outlet, the acid mist producing at anode can be discharged by acid mist relief outlet, reduces acid mist and is directly discharged in environment in electrolytic process, has affected Working environment.
In Winning cell, all negative electrode frame and anode frames all adopt screw rod to connect as one, and facilitate integrated moving, and electrolyzer all can be worked at an arbitrary position, and the quantity of screw rod can be one, also can adopt many.
Positively effect of the present utility model is embodied in:
(1), improved the severe situation of environment that in old electrowinning plant, direct amorphous discharge causes for the acid mist producing in electrolytic deposition process.
(2), adopt suction type exhausting, economize on resources.
(3), avoid adopting the devices such as gas skirt to extract acid mist and the fluid drips that causes forming is fallen on copper bar or copper bar corrosion copper and affect the quality of product nickel on gas skirt.
(4) if adopt gas skirt, on each gas skirt, need connecting tube, can avoid more air draft pipe is set on Winning cell after adopting this device, cost-saving.
Accompanying drawing explanation
Fig. 1 is the structural representation of the traditional disorderly and unsystematic discharge of acid mist;
Fig. 2 is traditional structural representation that acid mist gas skirt is set on Winning cell;
Fig. 3 arranges the structural representation of gas skirt on the traditional anode in Winning cell;
Fig. 4 is the device schematic diagram that acid mist is discharged;
Fig. 5 is the structural representation of acid mist recovering system of the present invention
Wherein, 1---electrolyzer, 2---air draft pipe, 3---aperture, 4---acid fog absorption tower, 5---circulation groove, 6---negative electrode frame, 7---anode frame, 8---permeable membrane, 9---vacuum fan, 10---gas skirt, 11---anode cap.
Embodiment
Below in conjunction with embodiment, the utility model is further described in detail, the embodiment providing does not limit the scope of the invention, and the utility model will expand to any new feature or any new combination disclosing in this manual.
Embodiment 1:
In the process of electrolytic nickel or electrolytic cobalt, negative electrode and anode all can produce a lot of oxygen acid mists, these acid mists not in time discharge can have a strong impact on workman's health, so set up acid mist recovering system in the system and device of this electrolytic nickel or electrolytic cobalt, this system also comprises acid fog absorption tower.Negative electrode frame and anode frame are arranged in Winning cell, between negative electrode frame and anode frame, permeable membrane is set, anode frame is closed structure, acid mist relief outlet is set on anode frame, vent passages is a pipeline, in the place being connected with each anode frame, all offer aperture, acid mist enters air draft passage taking out under wind action, discharge in time the acid mist in anode frame, guaranteed the quality of product, the acid mist of discharging enters acid fog absorption tower, after gas in acid fog absorption tower is up to standard, discharge, a part directly enters circulation groove in addition, toward adding in circulation groove, again enter acid fog absorption tower after sodium carbonate effect and absorb again.
On negative electrode frame, fluid inlet is set, electrolytic solution flows into electrolyzer from liquid-inlet pipe, in fluid inlet enters negative electrode frame, electrolytic solution enters anode frame by the permeable membrane arranging between negative electrode frame and anode frame again, has overcome the defect (as Fig. 1) of the acid mist work under bad environment that directly discharge causes.
Direct Closed suction from anode frame, and be different from adding gas skirt on electrolyzer, (as shown in Figure 2) be also different from and on anode, add gas skirt, make gas enter collection and confinement of gases pipeline, adopt gas skirt to collect acid mist (as shown in Figure 3), not only can occupy electrolyzer space, make anode and cathode in groove put into quantity minimizing, and bad operation.If the gas in gas skirt is not discharged in time, also can form water droplet at gas skirt, drop on copper bar or copper bar, affect the quality of electrolytic nickel, the quality of product can be had a greatly reduced quality.
Anode and cathode liquid level difference is 15mm-25mm, and permeable membrane adopts corrosion resistant woven dacron, and as preferably, the permeable membrane of selecting is woven dacron, and its model is 3751.The selection of permeable membrane is more crucial, if permeable membrane poor permeability can affect the speed of electrodeposition, if perviousness is very good, electrolytic solution enters anode frame very soon, can not keep liquid level poor, does not also reach electrodeposition effect.
In the upper end of anode frame, be provided with acid mist relief outlet, the acid mist producing at anode can be discharged by acid mist relief outlet, reduces acid mist and is directly discharged in environment in electrolytic process, has affected Working environment.
Negative electrode frame and anode frames all in Winning cell adopt screw rod to connect as one, and facilitate integrated moving, and electrolyzer all can be worked at an arbitrary position, and the quantity of screw rod can be one, also can adopt many.
Adopt the utility model, it has changed the direct amorphous discharge of acid mist producing for electrolytic deposition process in old electrowinning plant and the situation of the severe environment that cause; Adopt suction type extractor fan, economize on resources; The fluid drips of avoiding adopting the devices such as gas skirt to extract acid mist and causing forming on gas skirt is fallen on copper bar or copper bar, corrosion copper and affect the quality of product nickel.The employing of gas skirt, needs connecting tube on each gas skirt, can avoid more air draft pipe is set on Winning cell after adopting this device, cost-saving.
Claims (5)
1. an acid mist recovering system, comprise the negative electrode frame and the anode frame that are arranged in Winning cell, it is characterized in that: this device also comprises acid fog absorption tower and circulation groove, between anode frame and anode frame, permeable membrane is set, and all by screw rod, be fixedly connected with between anode and cathode frame, acid mist relief outlet is set on anode frame, air draft passage is set on Winning cell, aperture is all set corresponding with the acid mist relief outlet on anode frame on each air draft passage, vacuum fan is connected with air draft passage by pipeline, and acid fog absorption tower is connected with circulation groove with vacuum fan respectively.
2. acid mist recovering system according to claim 1, is characterized in that: described circulation groove is connected with pump.
3. acid mist recovering system according to claim 1, is characterized in that: described negative electrode frame and the interpole gap between anode frame are 70-130mm.
4. acid mist recovering system according to claim 1, is characterized in that: described negative electrode frame is wider than anode frame, and anode frame lower end is also provided with anolyte outlet.
5. according to claim 1 or acid mist recovering system claimed in claim 4, it is characterized in that: the anolyte outlet that described anode frame lower end arranges is connected with arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320491502.XU CN203440472U (en) | 2013-08-13 | 2013-08-13 | Acid mist recovery system device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320491502.XU CN203440472U (en) | 2013-08-13 | 2013-08-13 | Acid mist recovery system device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203440472U true CN203440472U (en) | 2014-02-19 |
Family
ID=50091540
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320491502.XU Expired - Fee Related CN203440472U (en) | 2013-08-13 | 2013-08-13 | Acid mist recovery system device |
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|---|---|
| CN (1) | CN203440472U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103422126A (en) * | 2013-08-13 | 2013-12-04 | 四川省尼科国润新材料有限公司 | Acid mist recycling system device |
| WO2015162336A1 (en) * | 2014-04-23 | 2015-10-29 | Outotec (Finland) Oy | Method and arrangement for collecting and removal of acid mist from an electrolytic cell |
| CN105200505A (en) * | 2015-10-13 | 2015-12-30 | 嘉兴通惠环保科技有限公司 | Exhaust gas discharge system for cyanide plating tank |
| CN105200507A (en) * | 2015-10-13 | 2015-12-30 | 嘉兴通惠环保科技有限公司 | Chromium fog recovery system provided with chromium electroplating tank |
| CN105200506A (en) * | 2015-10-13 | 2015-12-30 | 嘉兴通惠环保科技有限公司 | Waste gas recovery system provided with Cu or Ni electroplating tank |
| CN111020635A (en) * | 2019-12-19 | 2020-04-17 | 新邵辰州锑业有限责任公司 | Novel be arranged in ore pulp electrolysis antimony smelting hydrochloric acid recovery device |
| CN114892220A (en) * | 2022-06-06 | 2022-08-12 | 浙江科菲科技股份有限公司 | Nickel electrodeposition tank acid mist accumulation device and process method thereof |
-
2013
- 2013-08-13 CN CN201320491502.XU patent/CN203440472U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103422126A (en) * | 2013-08-13 | 2013-12-04 | 四川省尼科国润新材料有限公司 | Acid mist recycling system device |
| CN103422126B (en) * | 2013-08-13 | 2017-07-21 | 四川省尼科国润新材料有限公司 | A kind of acid mist recovering system |
| WO2015162336A1 (en) * | 2014-04-23 | 2015-10-29 | Outotec (Finland) Oy | Method and arrangement for collecting and removal of acid mist from an electrolytic cell |
| US9732432B2 (en) | 2014-04-23 | 2017-08-15 | Outotec (Finland) Oy | Method and arrangement for collecting and removal of acid mist from an electrolytic cell |
| CN105200505A (en) * | 2015-10-13 | 2015-12-30 | 嘉兴通惠环保科技有限公司 | Exhaust gas discharge system for cyanide plating tank |
| CN105200507A (en) * | 2015-10-13 | 2015-12-30 | 嘉兴通惠环保科技有限公司 | Chromium fog recovery system provided with chromium electroplating tank |
| CN105200506A (en) * | 2015-10-13 | 2015-12-30 | 嘉兴通惠环保科技有限公司 | Waste gas recovery system provided with Cu or Ni electroplating tank |
| CN111020635A (en) * | 2019-12-19 | 2020-04-17 | 新邵辰州锑业有限责任公司 | Novel be arranged in ore pulp electrolysis antimony smelting hydrochloric acid recovery device |
| CN114892220A (en) * | 2022-06-06 | 2022-08-12 | 浙江科菲科技股份有限公司 | Nickel electrodeposition tank acid mist accumulation device and process method thereof |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20160330 Granted publication date: 20140219 |
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| RINS | Preservation of patent right or utility model and its discharge | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20160930 Granted publication date: 20140219 |
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| RINS | Preservation of patent right or utility model and its discharge | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20161125 Granted publication date: 20140219 |
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| RINS | Preservation of patent right or utility model and its discharge | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20170525 Granted publication date: 20140219 |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140219 Termination date: 20180813 |