CN202705485U - Cyclic regeneration system for alkaline etching solution - Google Patents
Cyclic regeneration system for alkaline etching solution Download PDFInfo
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- CN202705485U CN202705485U CN 201220423589 CN201220423589U CN202705485U CN 202705485 U CN202705485 U CN 202705485U CN 201220423589 CN201220423589 CN 201220423589 CN 201220423589 U CN201220423589 U CN 201220423589U CN 202705485 U CN202705485 U CN 202705485U
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- alkaline etching
- etching liquid
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- electrolyzer
- pipe
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Abstract
The utility model discloses a cyclic regeneration system for an alkaline etching solution. The cyclic regeneration system for the alkaline etching solution comprises a water system (1) used for etching production lines, a transit mother solution tank (2), a mother solution tank (3), cyclic regeneration equipment for the alkaline etching solution (4), a regeneration sub-solution tank (5), a liquid preparation tank (6), a filter (7) and a sub-solution tank (8), wherein the water system (1) used for the etching production lines, the transit mother solution tank (2), the mother solution tank (3), the cyclic regeneration equipment for the alkaline etching solution (4), the regeneration sub-solution tank (5), the liquid preparation tank (6), the filter (7) and the sub-solution tank (8) are connected in sequence. The sub-solution tank (8) is further connected with the water system (1) used for the etching production lines to form a cycle. A high-pressure pump is arranged between two adjacent systems, and a high-pressure pump is arranged between two adjacent components. The cyclic regeneration system for the alkaline etching solution has the advantages of being not only low in cost, little in energy consumption, recyclable in purified water and free from discharging, but also capable of achieving recycling of cupric ions.
Description
Technical field
The utility model relates to a kind of effluent purifying indirect regeneration, specifically refers to a kind of alkaline etching liquid indirect regeneration.
Background technology
Improvements along with electron trade, China's wiring board industry development is also broad-based recovery thereupon, point out that according to " 2009-2012 Chinese printing circuit-board industry developing foreground forecast analysis report " China will become PCB industrial base the biggest in the world in recent years, account at present about 30% of world market.Simultaneously, the Suining, Sichuan has been " southwestern circuit card (PCB) the industry manufacture base " that country examines at present, the PCB industry giants such as two places, Chongqing of Sichuan Founder Electronic, Foxconn's electronics enter, and coastal a large amount of circuit board plant is moved to the interior, and the PCB industry will welcome huge business opportunity.
The significant components of electrical equipment and electronic product during printed circuit board (PCB), use very general, wherein etching work procedure is the part of proportion maximum in the PCB Production Flow Chart, when etching solution owing to the dissolving material make etching index (comprising speed, lateral erosion coefficient, surface cleaning etc.) when being lower than processing requirement, namely become etching waste liquor too much.
Nowadays the PCB industry etching waste liquor amount of discharging is increases progressively rapidly trend every year, this is so that also more and more higher to the requirement of etching solution recycling equipment, generally speaking, present etching solution recycling equipment exists mostly that efficient is low, cost is high, floor space is large, the problems such as three wastes discharge are arranged.
The utility model content
Problem to be solved in the utility model provides a kind of alkaline etching liquid indirect regeneration, solved copper-containing wastewater in the past process complicated, cost is high, the problem of pollutent is arranged after processing.
The technical scheme that the utility model provides is: the alkaline etching liquid indirect regeneration, comprise the etching production line watering equipment, transfer mother liquor tank, mother liquor tank, alkaline etching liquid cyclic regeneration equipment, the sub-flow container of regenerating, Agitation Tank, strainer, the sub-flow container that connect successively, sub-flow container is connected to form circulation with etching production line watering equipment again, is provided with high-pressure pump between described two adjacent parts.
Described alkaline etching liquid cyclic regeneration equipment comprises electrolyzer and the temperature controlling groove that links to each other with electrolyzer, the electrolyzer upper end is provided with two parallel upflow tubes that electrolyzer and temperature controlling groove are communicated with, the electrolyzer lower end is provided with circulation tube and rising pipe, circulation tube one end is communicated with electrolyzer, the other end is communicated with the temperature controlling groove lower end, also is provided with recycle pump on the circulation tube, and rising pipe is provided with the by-pass valve control I, described temperature controlling groove bottom also is provided with the mother liquor pipe, is provided with equally the by-pass valve control II on the mother liquor pipe.
The lower end of described temperature controlling groove also is provided with blow-off pipe, and blow-off pipe is provided with opening-closing valve, and described blow-off pipe is communicated with rising pipe.The effect basic fixed position of blow-off pipe is the sewage flow pipeline when cleaning temperature controlling groove, and in alkaline etching liquid cyclic regeneration equipment work process, the opening-closing valve on the blow-off pipe is in closing condition always.
Described alkaline etching liquid indirect regeneration all adopts the enclosed circulation structure.
Described alkaline etching liquid indirect regeneration is connected with the PLC automatic control system.Need parts and the high-pressure pump of monitoring all to be connected with the PLC automatic control system, so that the state that whole system can be by PLC automatic control system remote monitoring all parts or control its switch so that whole system is simple to operate, moves also more stable.
The utility model has the advantage of: this alkaline etching liquid indirect regeneration of the utility model design, not only cost is low, and power consumption is few, and purifying waste water can be recycled, and without any discharging, and can realize the recoverable of cupric ion.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of alkaline etching liquid cyclic regeneration equipment.
Label among the figure is expressed as respectively: 1, etching production line watering equipment; 2, transfer mother liquor tank; 3, mother liquor tank; 4, alkaline etching liquid cyclic regeneration equipment; 5, the sub-flow container of regenerating; 6, Agitation Tank; 7, strainer; 8, sub-flow container; 9, electrolyzer; 10, upflow tube; 11, temperature controlling groove; 12, mother liquor pipe; 13, opening-closing valve; 14, rising pipe; 15, by-pass valve control II; 16, circulation tube; 17, recycle pump; 18, by-pass valve control I;
Embodiment
Embodiment 1
Referring to Fig. 1, Fig. 2, the technical scheme that the utility model provides is: the alkaline etching liquid indirect regeneration, comprise the etching production line watering equipment 1, transfer mother liquor tank 2, mother liquor tank 3, alkaline etching liquid cyclic regeneration equipment 4, the sub-flow container 5 of regeneration, Agitation Tank 6, strainer 7, the sub-flow container 8 that connect successively, sub-flow container 8 is connected to form circulation with etching production line watering equipment 1 again, is provided with high-pressure pump between described two adjacent parts.
Above-mentioned alkaline etching liquid cyclic regeneration equipment 4 comprises electrolyzer 9 and the temperature controlling groove 11 that links to each other with electrolyzer 9, electrolyzer 9 upper ends are provided with two parallel upflow tubes 10 that electrolyzer 9 and temperature controlling groove 11 are communicated with, electrolyzer 9 lower ends are provided with circulation tube 16 and rising pipe 14, circulation tube 16 1 ends are communicated with electrolyzer 9, the other end is communicated with temperature controlling groove 11 lower ends, also be provided with recycle pump 17 on the circulation tube 16, rising pipe 14 is provided with by-pass valve control I 18, described temperature controlling groove 11 bottoms also are provided with mother liquor pipe 12, are provided with equally by-pass valve control II 15 on the mother liquor pipe.
The lower end of above-mentioned temperature controlling groove 11 also is provided with blow-off pipe, and blow-off pipe is provided with opening-closing valve 13, and above-mentioned blow-off pipe is communicated with rising pipe.
Above-mentioned alkaline etching liquid indirect regeneration all adopts the enclosed circulation structure.
Above-mentioned alkaline etching liquid indirect regeneration is connected with the PLC automatic control system.
Wherein, the arrow mark of Fig. 1 and Fig. 2 is the flow direction of internal liquid.
In use, the mother liquor that etching production line watering equipment 1 used etching waste liquor is namely processed is sent into transfer mother liquor tank 2 by high-pressure pump behind preliminary filtering-depositing, transfer mother liquor tank 2 is sent into mother liquor mother liquor tank 3 interior storages and quantitatively mother liquor is input in the alkaline etching liquid cyclic regeneration equipment 4 by high-pressure pump, electrolysis by alkaline etching liquid cyclic regeneration equipment 4 is reduced into copper with the cupric ion in the mother liquor, copper is attached in the negative plate in the alkaline etching liquid cyclic regeneration equipment 4, mother liquor after the electrolysis is the sub-liquid of regeneration, regenerate and be sent to successively the more sub-flow container 5 of regeneration under the effect of sub-liquid pump, Agitation Tank 6, strainer 7, in the sub-flow container 8, sub-liquid in the last sub-flow container 8 is sent to and namely forms circulation in the etching production line watering equipment 1, can realize non-stop run.
Transfer mother liquor tank 2 is used for temporarily depositing mother liquor; Mother liquor tank 3 is directly sent into mother liquor in the alkaline etching liquid cyclic regeneration equipment 4; The sub-flow container 5 of regenerating is used for depositing the sub-liquid of regeneration; Agitation Tank 6 is used for adding the loss of etching solution ammoniacal liquor, ammonium chloride, guarantee to regenerate sub-liquid interior ammoniacal liquor, ammonium chloride content; Impurity filters in the sub-liquid of regeneration after 7 pairs of processing of strainer, guarantees the quality of regenerated liquid and the normal operation of equipment; The sub-flow container 8 sub-liquid of will regenerating stores use.
After mother liquor enters alkaline etching liquid cyclic regeneration equipment 4, mother liquor enters in the temperature controlling groove 11 by mother liquor pipe 12, be down to suitable temp by the cooling tube in the temperature controlling groove 11, enter electrolyzer 9 by 17 effects of circulation tube 16 cocycle pumps again, be provided with negative plate and positive plate in the electrolyzer 9, cupric ion electrolytic reduction in the mother liquor is become copper and be adsorbed on the negative plate by electrolytic action, the mother liquor after electrolysis is sub-liquid, and sub-liquid is discharged by rising pipe 14 again and entered in the sub-flow container 5 of regeneration.
Copper ion concentration is at 150-170g/l in the mother liquor, best electrolysis point is about 30g/l, so the content of copper ion in the electrolyzer 9 then must be controlled at 30g/l, the guarantee electrolytic efficiency, when being lower than this value, just increase the inlet of mother liquor by mother liquor pipe 12, the capacity of electrolyzer 9 is excessive at this moment then is back in the temperature controlling groove 11 by upflow tube 10, guarantees can reach best electrolysis effectivenesses in the electrolyzer 9.
In the ordinary course of things, by-pass valve control II 15, by-pass valve control I 18 are in normally open, and opening-closing valve 13 is in the long state that closes.When electrolyzer 9 or temperature controlling groove 11 breaks down or during other situations, only need by-pass valve control II 15 and by-pass valve control I 18 are closed, and close whole equipment and can carry out troubleshooting work; When needs clean temperature controlling groove 11 and electrolyzer 9 inside, only need closing control valve II 15, open simultaneously by-pass valve control I 18 and opening-closing valve 13, can clean temperature controlling groove 11 and electrolyzer 9 inside, the sewage of cleaning is discharged to sewage disposal device from rising pipe 14.Maintenance and cleaning up are very convenient.
The utility model not only can be recycled cupric ion fully, the sub-liquid of recycling regeneration of having got back simultaneously, whole process all adopts PLC automatically to control, and discharges without any refuse, has not only reduced cost, and level of automation high, protected environment.
Can well realize the utility model as mentioned above.
Claims (5)
1. alkaline etching liquid indirect regeneration, it is characterized in that: comprise the etching production line watering equipment (1), transfer mother liquor tank (2), mother liquor tank (3), alkaline etching liquid cyclic regeneration equipment (4), the sub-flow container (5) of regenerating, Agitation Tank (6), strainer (7), the sub-flow container (8) that connect successively, sub-flow container (8) is connected to form circulation with etching production line watering equipment (1) again, is provided with high-pressure pump between described two adjacent parts.
2. alkaline etching liquid indirect regeneration according to claim 1, it is characterized in that: described alkaline etching liquid cyclic regeneration equipment (4) comprises electrolyzer (9) and the temperature controlling groove (11) that links to each other with electrolyzer (9), electrolyzer (9) upper end is provided with two parallel upflow tubes (10) that electrolyzer (9) and temperature controlling groove (11) are communicated with, electrolyzer (9) lower end is provided with circulation tube (16) and rising pipe (14), circulation tube (16) one ends are communicated with electrolyzer (9), the other end is communicated with temperature controlling groove (11) lower end, also be provided with recycle pump (17) on the circulation tube (16), rising pipe (14) is provided with by-pass valve control I (18), described temperature controlling groove (11) bottom also is provided with mother liquor pipe (12), is provided with equally by-pass valve control II (15) on the mother liquor pipe.
3. alkaline etching liquid indirect regeneration according to claim 2, it is characterized in that: the lower end of described temperature controlling groove (11) also is provided with blow-off pipe, and blow-off pipe is provided with opening-closing valve (13), and described blow-off pipe is communicated with rising pipe.
4. alkaline etching liquid indirect regeneration according to claim 1, it is characterized in that: described alkaline etching liquid indirect regeneration all adopts the enclosed circulation structure.
5. alkaline etching liquid indirect regeneration according to claim 1, it is characterized in that: described alkaline etching liquid indirect regeneration is connected with the PLC automatic control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220423589 CN202705485U (en) | 2012-08-24 | 2012-08-24 | Cyclic regeneration system for alkaline etching solution |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220423589 CN202705485U (en) | 2012-08-24 | 2012-08-24 | Cyclic regeneration system for alkaline etching solution |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202705485U true CN202705485U (en) | 2013-01-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220423589 Expired - Fee Related CN202705485U (en) | 2012-08-24 | 2012-08-24 | Cyclic regeneration system for alkaline etching solution |
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| CN (1) | CN202705485U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103628069A (en) * | 2012-08-24 | 2014-03-12 | 成都虹华环保科技有限公司 | Cyclic regeneration system for alkaline etching solution |
| CN104726865A (en) * | 2013-12-24 | 2015-06-24 | 张逸 | Alkaline etching waste liquid recycling and regenerating device |
| CN106011863A (en) * | 2016-08-09 | 2016-10-12 | 成都虹华环保科技股份有限公司 | Enclosed self-circulation alkaline etching solution cyclic regeneration system |
| CN106011950A (en) * | 2016-07-29 | 2016-10-12 | 陈铭 | Waste liquid copper extraction system |
| CN109112575A (en) * | 2018-08-27 | 2019-01-01 | 安徽绿洲危险废物综合利用有限公司 | A kind of alkali etching electrolysis cycle regenerative system and electrolysis cycle regeneration method |
-
2012
- 2012-08-24 CN CN 201220423589 patent/CN202705485U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103628069A (en) * | 2012-08-24 | 2014-03-12 | 成都虹华环保科技有限公司 | Cyclic regeneration system for alkaline etching solution |
| CN104726865A (en) * | 2013-12-24 | 2015-06-24 | 张逸 | Alkaline etching waste liquid recycling and regenerating device |
| CN106011950A (en) * | 2016-07-29 | 2016-10-12 | 陈铭 | Waste liquid copper extraction system |
| CN106011863A (en) * | 2016-08-09 | 2016-10-12 | 成都虹华环保科技股份有限公司 | Enclosed self-circulation alkaline etching solution cyclic regeneration system |
| CN109112575A (en) * | 2018-08-27 | 2019-01-01 | 安徽绿洲危险废物综合利用有限公司 | A kind of alkali etching electrolysis cycle regenerative system and electrolysis cycle regeneration method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: CHENGDU HONGHUA ENVIRONMENTAL PROTECTION TECHNOLOG Free format text: FORMER NAME: CHENGDU HONGHUA ENVIRONMENTAL PROTECTION SCIENCE AND TECHNOLOGY CO., LTD. |
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| CP01 | Change in the name or title of a patent holder |
Address after: 610000 No. 4 West core road, Chengdu hi tech Development Zone, Sichuan, Chengdu Patentee after: Chengdu Honghua Environmental Protection Technology Co., Ltd. Address before: 610000 No. 4 West core road, Chengdu hi tech Development Zone, Sichuan, Chengdu Patentee before: Chengdu Honghua Environmental Protection Technology Co., Ltd. |
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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: 20130130 Termination date: 20200824 |