CN201598332U - Printed wiring board microetchant on-line circulation device - Google Patents

Printed wiring board microetchant on-line circulation device Download PDF

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Publication number
CN201598332U
CN201598332U CN2010200562415U CN201020056241U CN201598332U CN 201598332 U CN201598332 U CN 201598332U CN 2010200562415 U CN2010200562415 U CN 2010200562415U CN 201020056241 U CN201020056241 U CN 201020056241U CN 201598332 U CN201598332 U CN 201598332U
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CN
China
Prior art keywords
groove
pipeline
crack
circulating slot
wiring board
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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.)
Expired - Lifetime
Application number
CN2010200562415U
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Chinese (zh)
Inventor
李建光
何世武
崔磊
赵业伟
罗东军
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SHENZHEN JECH TECHNOLOGY Co Ltd
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SHENZHEN JECH TECHNOLOGY Co Ltd
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Priority to CN2010200562415U priority Critical patent/CN201598332U/en
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Publication of CN201598332U publication Critical patent/CN201598332U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The utility model discloses a printed wiring board microetchant on-line circulation device, including a microetch groove arranged in the wiring board production line, a H2O2 decompounding circulation groove, a circulation electrolysis groove and a regeneration liquid groove which are disposed between the microetch groove and the production line and are successively connected via pipelines to form a loop; a H2O2 groove is arranged beside the H2O2 decompounding circulation groove; the H2O2 groove, the valve and the regeneration liquid groove are connected in turn via pipelines; a stabilizing agent groove is arranged beside the regeneration liquid groove; and the stabilizing agent groove is connected with the production line via the pipeline. In the utility model, the PLC control panel and the electrolysis circulation loop system are combined, thereby effectively realizing automatic and quantitative feeding and supplying of the liquid medicine and circulation utilization of the liquid medicine, and effectively extracting copper ions in the waste microetchant; therefore, the device has low energy consumption, low cost and is environment friendly.

Description

The online circulation device of a kind of printed circuit board micro-etching solution
Technical field
The utility model relates to liquid waste treating apparatus, in particular, relates to a kind of liquid waste disposal, the online circulation device of resources circulation regenerated printed circuit board micro-etching solution.
Background technology
In the printed wiring board industry, pre-treatment is an important link, the general liquid medicine that adopts carries out roughening, but too high when cupric ion, tank liquor wears out, micro-etching solution will not changed when having etch capabilities, directly discharging not only causes the waste of resource, and can produce serious environmental problem, therefore, exploitation micro-etching solution online liquid recycles technology becomes in the industry focus.
The microetch liquid medicine kind of using at present has NSP, SPS and H 2SO 4/ H 2O 2System, the molten copper amount of NSP and SPS system 20 the gram about, H 2SO 4/ H 2O 2The molten copper amount of system is generally had producer's recycling of processing qualification after the discharging about 40 grams, following several method is arranged:
1. substitution method: to wherein dropping into industrial iron plate, utilize the activity of iron that copper is cemented out, this method is understood heat release and is produced a large amount of water vapour, hydrogen in the production reaction process, after finishing, displacement must discharge a large amount of waste water, contain a large amount of sulfate radicals and Fe3+ in the waste water of its discharging, not only active princlple can't regeneration in contaminate environment but also the micro-etching solution;
2. neutralisation: in micro-corrosion liquid, add carbide slag or sheet alkali, thereby make its pH value produce the Kocide SD precipitation for alkalescence, this method can consume a large amount of alkali in course of reaction, exothermic heat of reaction danger can contain the hardness that a large amount of salt increases water quality in the waste liquid after the neutralization.
The utility model content
The technical problems to be solved in the utility model is, provide a kind of printed circuit board micro-etching solution online circulation device, in this when operation device, not only can continuous and automatic, can also effectively extract cupric ion in the micro-etched waste liquid, do not destroy its useful component, through overregulating cycling and reutilization.
In order to solve the problems of the technologies described above, the utility model provides a kind of printed wiring board micro-corrosion liquid online EGR, comprise the microetch groove that arranges in the production line of circuit board, it is characterized in that: the H that also comprises the loop that is arranged between described microetch groove and the production line and is in turn connected to form by pipeline 2O 2Crack circulating slot, cyclic electrolysis groove, regeneration liquid bath, described H 2O 2Crack the other H that also is provided with of circulating slot 2O 2Groove, described H 2O 2Groove is connected by pipeline successively with valve, regeneration liquid bath, and described regeneration liquid bath is other also to be provided with the stabilizing agent groove, and described stabilizing agent groove is connected with production line by pipeline.
Also be provided with the PLC control panel on the above-mentioned microetch groove.
Further, above-mentioned microetch groove and H 2O 2Crack on the pipeline that circulating slot connects and also be provided with waste drains pump; H 2O 2Crack on circulating slot and the pipeline that the cyclic electrolysis groove is connected and also be in series with first magnetic valve and second magnetic valve; Also be provided with cell liquor pump on cyclic electrolysis groove and the pipeline that is connected of regeneration liquid bath; Also be provided with first dosing pump on regeneration liquid bath and the pipeline that production line is connected; Also be provided with second dosing pump on stabilizing agent groove and the pipeline that production line is connected;
Above-mentioned H 2O 2Crack and also be provided with electric control box on the circulating slot, preferred electric control box is arranged on H 2O 2Crack the bottom of circulating slot.
Above-mentioned H 2O 2Crack rectifier, perhaps H also all are installed on circulating slot and the cyclic electrolysis groove 2O 2Crack that one of them is equipped with rectifier on circulating slot and the cyclic electrolysis groove, perhaps both all do not install rectifier, and preferably both all install rectifier.
Above-mentioned H 2O 2Crack high liquid level (HLL) inductor, perhaps H also all are installed on circulating slot and the cyclic electrolysis groove 2O 2Crack that one of them is equipped with the high liquid level (HLL) inductor on circulating slot and the cyclic electrolysis groove, perhaps both all do not install the high liquid level (HLL) inductor, and preferably both all install the high liquid level (HLL) inductor.
Above-mentioned H 2O 2Crack and also be provided with the circulatory system that electrolyte entrance, electrolyte outlet and cell liquor pump form on the circulating slot, electrolyte entrance is connected with first magnetic valve by pipeline, and electrolyte outlet and cell liquor pump are connected between first magnetic valve and second magnetic valve by pipeline.
H described in the utility model 2O 2Crack circulating slot and H 2O 2Groove is to be fixedly connected with side by side or both divide and are arranged.
Also be provided with the recycle system that electrolyte entrance, electrolyte outlet and another cell liquor pump are formed on the cyclic electrolysis groove described in the utility model, electrolyte entrance is connected by pipeline successively with cell liquor pump, electrolyte outlet.
Regeneration liquid bath described in the utility model and stablizer groove are to fixedly connected side by side or both divide and are arranged.
The utility model is owing to adopt the PLC control panel to combine with the electrolysis cycle circuit system, automatic, the quantitative interpolation of liquid medicine and the recycle of supply and liquid medicine have effectively been realized, simultaneously can also effectively extract cupric ion in the micro-etched waste liquid, cut down the consumption of energy from having reached, save cost, the beneficial effect of environmental protection.
Description of drawings
Fig. 1 is a connection diagram of the present utility model;
Fig. 2 is a principle of work block diagram of the present utility model.
Embodiment
In order to make technical problem to be solved in the utility model, technical scheme and beneficial effect clearer,, the utility model is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
In the printed wiring board industry, adopt H 2SO 4/ H 2O 2The microetch production line of system contains H in the micro-etched waste liquid of discharging 2O 2, H 2SO 4, Cu 2+For realizing the purpose of its regeneration, the utility model at first adopts the method for segmentation electrolysis to reduce H 2O 2Concentration is below 2g/L, set exactly every section electrolysis time, magnetic valve starts when the time arrives, solution is entered in the above-mentioned electrolytic cell automatically, carry out again the segmentation electrolysis and make copper be down to 5g/L, when arrival setting-up time rear electromagnetic valve starts, electrolyte is entered in the above-mentioned regeneration liquid bath automatically store, system will start automatically when the inductive probe on the production line sends signal, add regenerated liquid, the H identical with discharge volume simultaneously in the production line etching machine 2O 2And stabilizing agent, thereby reach line balancing.
As shown in Figure 1, the utility model embodiment provides a kind of printed wiring board micro-corrosion liquid online EGR, comprises the microetch groove 1 that arranges in the production line of circuit board, also is provided with PLC control panel (not marking in the drawings) on it, and microetch groove 1 and H 2O 2Crack the loop that circulating slot 2, cyclic electrolysis groove 4, regeneration liquid bath 5, production line 6 are in turn connected to form by pipeline.H 2O 2Crack the circulating slot 2 other H that also are provided with 2O 2Groove 3, H 2O 2Groove 3 tops have H 2O 2Liquid entrance 31, H 2O 2Crack circulating slot 2 and H 2O 2Groove 3 is to be fixedly connected with side by side or both divide and are arranged.H 2O 2Groove 3 and valve 7, regeneration liquid bath 5 are connected successively by pipeline.The other stablizer grooves 8 that also are provided with of regeneration liquid bath 5, regeneration liquid bath 5 and stablizer groove 8 are to fixedly connected side by side or both divide and are arranged, and stablizer groove 8 is connected with production line 6 by pipeline.Microetch groove 1 and H 2O 2Crack on the pipeline that circulating slot 2 waste liquid imports 21 connect and also be provided with waste drains pump 9; H 2O 2Also be in series with first magnetic valve 10 and second magnetic valve 11 on the electrolyte import 22 that cracks circulating slot 2 and the pipeline that the 4 electrolyte imports 41 of cyclic electrolysis groove are connected; Also be provided with cell liquor pump 12 on cyclic electrolysis groove 4 bottom regenerated liquids outlet 42 and the pipeline that the regenerated liquid import 51 on liquid bath 5 tops of regenerating is connected; Also be provided with first dosing pump 13 on the regenerated liquid outlet 52 of regeneration liquid bath 5 bottoms and the pipeline that production line 6 regenerated liquid imports are connected; Also be provided with second dosing pump 14 on the stabilizing agent of stabilizing agent groove 8 bottoms outlet 81 and the pipeline that the import of production line stabilizing agent is connected;
In Fig. 1, H 2O 2Crack and also be provided with electric control box 15 on the circulating slot 2, electric control box 15 is arranged on H 2O 2Crack the bottom of circulating slot 2, H 2O 2Crack rectifier (not marking in the drawings), H also are installed on the circulating slot 2 2O 2Crack circulating slot 2 and also be provided with high liquid level (HLL) inductor (not marking in the drawings).H 2O 2Crack circulating slot 2 tops and also be provided with the circulatory system that electrolyte import 22, electrolyte outlet 23 and cell liquor pump 16 form, electrolyte import 22 is connected with first magnetic valve 10 by pipeline, and electrolyte outlet 23 and cell liquor pump 16 are connected between first magnetic valve 10 and second magnetic valve 11 by pipeline.
In the said structure, PLC control panel programming sets parameters, is used for automatically controlling each magnetic valve of the present utility model and electric pump; H 2O 2To be segmentation separate H in the micro-etched waste liquid with the electrolysis incoming call in the effect that cracks circulating slot 2 2O 2, reduce the H in the micro-etched waste liquid 2O 2Concentration; Cyclic electrolysis groove 4 be for the segmentation electrolysis through H 2O 2Crack Cu in the micro-etched waste liquid after circulating slot 2 is processed 2+, with Cu 2+Be electrolyzed to produce the copper of simple substance to reclaim; Regeneration liquid bath 5 be collect after cyclic electrolysis groove 4 is processed and must the regeneration micro etching solution that can again utilize; H 2O 2The effect of groove 3 is splendid attire H 2O 2Liquid is used for according to H in the regeneration micro etching solution in the actual conditions adjusting regeneration liquid bath 5 2O 2Concentration, this regeneration micro etching solution is through H 2O 2After the adjusting, controlling measuring pump 13 by the PLC control panel should be through H 2O 2Regeneration micro etching solution after the adjusting is sent in the production line and is again utilized; Stabilizing agent groove 8 effect is the stabilizing agent that will use in the splendid attire production line, controls measuring pump 14 by the PLC control panel and stabilizing agent is sent in the production line is used.
Above-mentioned H 2O 2Crack circulating slot 2 and H 2O 2It is in order to make this apparatus structure compactness, to save the production space that groove 3, regeneration liquid bath 5 are fixedly installed side by side with stabilizing agent groove 8.Certainly can be according to the condition of production of reality, with H 2O 2Crack circulating slot 2 and H 2O 2Groove 3, regeneration liquid bath 5 divide separately with stabilizing agent groove 8 and are arranged, and have embodied flexibility of the present utility model with this.H 2O 2Groove 3 is arranged on the regeneration liquid bath 5, is for H 2O 2Liquid is delivered in the regeneration liquid bath 5 easily, with this energy efficient, and certainly can be according to the condition of production of reality, with H 2O 2Groove 3 and any placement side by side of regeneration liquid bath 5 utilize other modes with H 2O 2Liquid is sent into regeneration liquid bath 5 and is got final product.
In Fig. 1, rectifier (not marking in the drawings) also is installed on the cyclic electrolysis groove 4, be provided with high liquid level (HLL) inductor block (not marking in the drawings) in the cyclic electrolysis groove.Cyclic electrolysis groove top also is provided with the recycle system that electrolyte entrance 43, electrolyte outlet 44 and another cell liquor pump are formed, and electrolyte entrance 43 and cell liquor pump, electrolyte outlet 44 are connected successively by pipeline.
Except shown in Figure 1, H of the present utility model 2O 2Crack circulating slot 2 and H 2O 2Groove 3 can also divide and is arranged, and regeneration liquid bath 5 also can divide with stabilizing agent groove 8 and is arranged.H 2O 2Crack on circulating slot 2 and the cyclic electrolysis groove 4 except all being equipped with the rectifier, also can be only at H 2O 2Crack that one of them is equipped with rectifier on circulating slot 2 or the cyclic electrolysis groove 4, perhaps both all do not install rectifier, and preferably both all install rectifier.H 2O 2Crack on circulating slot 2 and the cyclic electrolysis groove 4 except the high liquid level (HLL) inductor all is installed, also can be only at H 2O 2Crack that one of them is equipped with the high liquid level (HLL) inductor on circulating slot 2 or the cyclic electrolysis groove 4, perhaps both all do not install the high liquid level (HLL) inductor, and preferably both all install the high liquid level (HLL) inductor.
As Fig. 2, principle of work of the present utility model is: use the good parameters of PLC programmed settings, the numeration probe of production line is according to the plate number or the plate area of microetch, constantly add up, when accumulated value arrived prevalue, waste drains pump 9 was opened, and gets rid of a certain amount of micro-etched waste liquid, volume pump 13 pumps and volume pump 14 are opened simultaneously, and the liquid medicine that adds equivalent in production line 6 is regenerated liquid.The waste liquid of discharging enters described H through pipeline 2O 2Crack in the circulating slot 2, as described H 2O 2When cracking circulating slot 2 interior high liquid level (HLL) inductor induced signal, described H 2O 2The cell liquor pump 16, magnetic valve 10 and the rectifier that crack on the circulating slot 2 are opened, the beginning electrolysis, and electrolysis divides three sections electrolysis automatically, every period is adjustable, and after electrolysis arrived setting-up time, rectifier and magnetic valve 10 stopped, magnetic valve 11 starts, and liquid medicine is drained into cyclic electrolysis groove 4.As described H 2O 2 Cell liquor pump 16 and magnetic valve 11 stop when cracking circulating slot 2 to low liquid level, stop to arrange liquid medicine.When in the described cyclic electrolysis groove 4 during high level sensor induced signal, another cell liquor pump and electrolysis power start, and this groove also divides three sections electrolysis automatically, and cell liquor pump 12 is opened after three periods arrive, electrolysis power and another cell liquor pump stop, and begin to arrange liquid medicine in regeneration liquid bath 5.So form the closed cycle of micro-corrosion liquid.
The above only is preferred embodiment of the present utility model; not in order to restriction the utility model; all any modifications of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.

Claims (9)

1. the online EGR of printed wiring board micro-corrosion liquid comprises the microetch groove that arranges in the production line of circuit board, it is characterized in that: the H that also comprises the loop that is arranged between described microetch groove and the production line and is in turn connected to form by pipeline 2O 2Crack circulating slot, cyclic electrolysis groove, regeneration liquid bath, described H 2O 2Crack the other H that also is provided with of circulating slot 2O 2Groove, described H 2O 2Groove is connected by pipeline successively with valve, regeneration liquid bath, and described regeneration liquid bath is other also to be provided with the stabilizing agent groove, and described stabilizing agent groove is connected with production line by pipeline.
2. the online circulation device of printed circuit board micro-etching solution according to claim 1 is characterized in that: also be provided with the PLC control panel on the described microetch groove.
3. the online EGR of printed wiring board micro-corrosion liquid according to claim 1 is characterized in that: described microetch groove and H 2O 2Crack on the pipeline that circulating slot connects and also be provided with waste drains pump; Described H 2O 2Crack on circulating slot and the pipeline that the cyclic electrolysis groove is connected and also be in series with first magnetic valve and second magnetic valve; Also be provided with cell liquor pump on described cyclic electrolysis groove and the pipeline that is connected of regeneration liquid bath; Also be provided with first dosing pump on described regeneration liquid bath and the pipeline that production line is connected; Also be provided with second dosing pump on described stabilizing agent groove and the pipeline that production line is connected;
4. according to claim 1 or the online EGR of 3 described printed wiring board micro-corrosion liquids, it is characterized in that: described H 2O 2Crack and also be provided with electric control box on the circulating slot, this electric control box is arranged on H 2O 2Crack the bottom of circulating slot.
5. according to claim 1 or the online EGR of 3 described printed wiring board micro-corrosion liquids, it is characterized in that: described H 2O 2Crack on circulating slot and/or the cyclic electrolysis groove rectifier also is installed.
6. according to claim 1 or the online EGR of 3 described printed wiring board micro-corrosion liquids, it is characterized in that: described H 2O 2Crack in circulating slot and/or the cyclic electrolysis groove and also be provided with the high liquid level (HLL) inductor.
7. according to claim 1 or the online EGR of 3 described printed wiring board micro-corrosion liquids, it is characterized in that: described H 2O 2Crack and also be provided with the circulatory system that is formed by electrolyte entrance, electrolyte outlet and cell liquor pump on the circulating slot, described electrolyte entrance is connected with first magnetic valve by pipeline, and described electrolyte outlet and cell liquor pump are connected between first magnetic valve and second magnetic valve by pipeline;
8. according to claim 1 or the online EGR of 3 described printed wiring board micro-corrosion liquids, it is characterized in that: described H 2O 2Crack circulating slot and H 2O 2Groove is to be fixedly connected with side by side or both divide and are arranged; Described regeneration liquid bath and stabilizing agent groove are to be fixedly connected with side by side or both divide and are arranged.
9. according to claim 1 or the online circulation device of 3 described printed circuit board micro-etching solutions, it is characterized in that: also be provided with the recycle system of being made up of electrolyte entrance, electrolyte outlet and another cell liquor pump on the described cyclic electrolysis groove, described electrolyte entrance is connected by pipeline successively with cell liquor pump, electrolyte outlet.
CN2010200562415U 2010-01-04 2010-01-04 Printed wiring board microetchant on-line circulation device Expired - Lifetime CN201598332U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010200562415U CN201598332U (en) 2010-01-04 2010-01-04 Printed wiring board microetchant on-line circulation device

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Application Number Priority Date Filing Date Title
CN2010200562415U CN201598332U (en) 2010-01-04 2010-01-04 Printed wiring board microetchant on-line circulation device

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107278052A (en) * 2016-04-08 2017-10-20 东莞市斯坦得电子材料有限公司 Chemical roughening process for the photic pattern transfer pre-treatment of printed wiring board

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107278052A (en) * 2016-04-08 2017-10-20 东莞市斯坦得电子材料有限公司 Chemical roughening process for the photic pattern transfer pre-treatment of printed wiring board

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Granted publication date: 20101006