CN210560767U - Acid etching circulation regeneration system with chlorine absorption tower of recycling - Google Patents
Acid etching circulation regeneration system with chlorine absorption tower of recycling Download PDFInfo
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- CN210560767U CN210560767U CN201921499361.XU CN201921499361U CN210560767U CN 210560767 U CN210560767 U CN 210560767U CN 201921499361 U CN201921499361 U CN 201921499361U CN 210560767 U CN210560767 U CN 210560767U
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Abstract
The utility model discloses an acid etching circulation regeneration system with chlorine absorption tower of recycling, including electrolysis trough, chlorine absorption tower and circulation groove of recycling, the chlorine absorption tower of recycling includes chlorine absorption chamber and the main tank that communicates with chlorine absorption chamber bottom. The utility model discloses chlorine absorbs the tower of recycling can retrieve the chlorine and recycle, can be with monovalent copper ion oxidation one-tenth cupric ion in the etching solution simultaneously, cyclic regeneration. The acid etching circulation regeneration system enables negative pressure to be formed in the chlorine absorption and reuse tower, catholyte in the circulation tank enters the main tank, then catholyte containing high-concentration monovalent copper ions enters the chlorine absorption chamber through the circulating pump through the atomizer, then the catholyte returns to the main tank from the bottom of the chlorine absorption chamber and the communication hole of the main tank through the multi-surface ball, and then the catholyte returns to the anode of the circulation tank from the overflow port of the main tank and returns to the anode of the electrolytic tank for full regeneration.
Description
Technical Field
The utility model belongs to the technical field of acid etching solution cyclic regeneration, concretely relates to acid etching cyclic regeneration system with tower is recycled in chlorine absorption.
Background
The device for electrolytically treating the acid copper chloride etching solution has the advantages that chlorine is separated out in the cathode area of the electrolytic cell, air is polluted, resources are wasted, the chlorine needs to be treated, and the chlorine is treated conventionally by introducing the chlorine into liquid alkali to form sodium hypochlorite for absorption.
For example, 200910014854.4 discloses a chlorine absorption tower, which comprises a tower body, wherein an air inlet pipe is installed at the lower part of the tower body, an air outlet pipe is installed at the upper part of the tower body, a first spray pipe and a second spray pipe which are perpendicular to each other are installed at the upper part of the tower body, a first hanging rod and a second hanging rod are installed in the tower body, a plurality of baffle plates are installed between the first hanging rod and the second hanging rod, the baffle plates are parallel to each other, and the baffle plates are bent. The device has the advantages that the chlorine rising in the tower can be slowed down by arranging the baffle plate, the contact time and the contact area of the chlorine and sulfuric acid are increased, and the absorption rate of the chlorine is greatly improved.
The above problems are: 1. the absorbed chlorine is not well utilized; 2. the acidic etching solution is not recycled.
Disclosure of Invention
In order to solve the problem, the utility model discloses a chlorine that precipitates among the electrolytic process carries out acid copper chloride etching solution regeneration, has consequently researched and developed an acid etching circulation regeneration system with chlorine absorption recycle tower. The utility model discloses can absorb chlorine and oxidize the monovalent copper ion that the sculpture generated simultaneously for bivalent copper ion cyclic utilization under the effect of chlorine, fine utilization the chlorine that the electrolysis in-process appeared.
In order to achieve the above object, the utility model provides a following technical scheme:
an acid etching circulation regeneration system with a chlorine absorption tower comprises an electrolytic cell and a circulation cell which are communicated with each other, wherein the circulation cell is divided into an anode region and a cathode region, and the chlorine absorption recycling tower comprises a tower body, and the tower body comprises a chlorine absorption chamber and a main cell communicated with the bottom of the chlorine absorption chamber; the top of the chlorine absorption chamber is provided with a purified gas discharge port, a fog absorption filler layer is arranged inside the top of the chlorine absorption chamber, at least one layer of spray pipe is arranged below the fog absorption filler layer, at least one atomizer is arranged below the spray pipe, and a multi-surface ball layer is arranged at the lower end of the atomizer; a chlorine gas air inlet is formed in one side of the upper end of the main tank, an overflow port is formed in the middle of the surface of the main tank, an etching liquid water inlet and outlet is formed in the lower end of the surface of the main tank, a circulating pump is arranged at the lower end of one side of the main tank, and the top of the circulating pump is communicated with a spraying pipe of the chlorine gas absorption chamber; the electrolytic cell is communicated with a chlorine air inlet of the chlorine absorption and reuse tower, a cathode area of the circulating cell is communicated with an etching solution water inlet and outlet of the chlorine absorption and reuse tower through a pipeline, and an overflow port of the chlorine absorption and reuse tower is communicated with an anode area of the circulating cell through a pipeline to form reflux.
In a preferable scheme, the chlorine absorption chamber is provided with at least one observation window, so that the internal condition is convenient to observe, and the placement and the maintenance of the multi-surface ball are also convenient.
In a preferable scheme, a cooling pipeline is arranged in the main tank and communicated with an external refrigerating device, so that the temperatures of the etching solution and the chlorine gas can be reduced, and the absorption of the chlorine gas is facilitated.
Preferably, the bottom of the chlorine absorption chamber and the top of the connected main groove are provided with communication holes.
Preferably, an ORP detector is arranged in the main tank, and ORP data of the etching solution are monitored at any time.
Preferably, the absorption filter material in the mist absorption filler layer is multilayer.
Preferably, the purified gas discharge port of the chlorine absorption and reuse tower is communicated with the waste gas tower.
The electrolytic bath is divided into an anode area and a cathode area, and the circulating bath is divided into the anode area and the cathode area, which is common knowledge and also is a technical scheme which is easy to realize, and the utility model discloses do not describe again.
Compared with the prior art, the utility model discloses possess following beneficial effect: the utility model discloses chlorine absorbs the tower of recycling can retrieve the chlorine and recycle, can be with monovalent copper ion oxidation one-tenth cupric ion in the etching solution simultaneously, cyclic regeneration. The acid etching circulation regeneration system is connected with the waste gas absorption tower, so that negative pressure is formed in the chlorine absorption and reuse tower, catholyte in the circulation tank enters the main tank, then catholyte containing high-concentration monovalent copper ions enters the chlorine absorption chamber through the circulating pump through the atomizer, then the catholyte returns to the main tank through the communicating hole between the bottom of the chlorine absorption chamber and the main tank through the multi-surface ball, and then the catholyte returns to the anode of the circulation tank from the overflow port of the main tank and returns to the anode of the electrolytic tank for full regeneration.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:
FIG. 1 is a schematic structural view of a chlorine absorption and recycling tower provided by the present invention;
FIG. 2 is a schematic view of an acid etching recycling system according to the present invention;
in the figure: 1. an electrolytic cell; 2. a chlorine absorption and reuse tower; 3. a circulation tank; 4. a waste gas absorption tower; 20. a chlorine absorption chamber; 21. a purge gas discharge port; 22. a mist absorbing filler; 23. an atomizer; 24. an observation window; 25. a chlorine gas inlet; 26. an overflow port; 27. an etching solution water inlet and outlet; 28. a multi-faceted ball; 29. a circulation pump; 30. a main tank; 31. a cooling duct; 32. an ORP detector; 33. and (4) a spray pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-2, the present invention provides a technical solution: an acid etching cyclic regeneration system comprises an electrolytic cell 1, a chlorine absorption and reuse tower 2, a circulating cell 3 and a waste gas absorption tower 4.
Wherein the chlorine absorption and reuse tower 2 comprises a tower body comprising a chlorine absorption chamber 20 and a main groove 30 communicated with the bottom of the chlorine absorption chamber 20; a purified gas discharge port 21 is formed in the top of the chlorine absorption chamber 20, a mist absorption filler layer (the internal substance is mist absorption filler 22) is arranged inside the top end of the chlorine absorption chamber 20, at least one spray pipe 33 is arranged below the mist absorption filler layer, and a multi-surface ball layer is arranged at the lower end of the atomizer 23; a chlorine air inlet 25 is formed in one side of the upper end of the main groove 30, an overflow port 26 is formed in the middle of the surface of the main groove 30, an etching liquid water inlet and outlet 27 is formed in the lower end of the surface of the main groove 30, a circulating pump 29 is arranged at the lower end of one side of the main groove 30, and the top of the circulating pump 29 is communicated with a spraying pipe 33 of the chlorine absorption chamber 20.
The catholyte in the circulating tank 3 enters the main tank 30, then passes through a circulating pump 29 to enter the catholyte containing high-concentration monovalent copper ions into the chlorine absorption chamber 20 through the atomizer 23, then returns to the main tank 30 from the communication hole between the bottom of the chlorine absorption chamber 20 and the main tank 30 through the multi-surface ball 28, returns to the anode of the circulating tank 3 from the overflow port 26 of the main tank 30, and returns to the anode of the electrolytic tank 1 for sufficient regeneration.
In addition, the cooling pipe 31 is provided in the main tank 30, the temperature of the catholyte in the main tank 30 is reduced by the cooling pipe 31, and the temperature of the catholyte in the main tank 30 is kept below the normal temperature, which is more favorable for the absorption of chlorine gas.
The bottom of the chlorine absorption chamber 20 is provided with a communicating hole at the top of a main tank 30 connected with the bottom of the chlorine absorption chamber 20, the chlorine absorption and reuse tower 2 is connected with a waste gas absorption tower 4 through a pipeline, chlorine generated by the electrolytic tank 1 enters the chlorine absorption and reuse tower 2 through a pipeline, then enters the chlorine absorption chamber 20 through the communicating hole at the bottom of the chlorine absorption chamber 20 and the top of the main tank 30 connected with the bottom of the chlorine absorption chamber 20 to react with atomized catholyte and cuprous chloride in the catholyte on the polyhedral ball 28 to generate cupric chloride, absorption of chlorine is completed, the residual waste gas is filtered by a mist absorption filler 22 and then enters the waste gas absorption tower 4 from a purified gas discharge port 21, negative pressure is formed in the chlorine absorption and reuse tower, the chlorine absorption and reuse tower 2 is connected with the electrolytic tank 1 through a pipeline, and the circulating tank 3 is respectively communicated with the electrolytic tank 1 and the chlorine absorption and reuse tower 2 through pipelines, the ORP detector 32 is arranged in the main tank 30 and used for detecting an ORP value and facilitating addition of catholyte, the absorption filter material in the mist absorption filler 22 is provided with a plurality of layers, the chlorine detector is arranged on the inner side of the purified gas discharge port 21, and the electrolytic tank 1 is connected with the regenerated liquid storage barrel.
The utility model discloses a theory of operation and use flow: when in use, the catholyte of the circulating tank 3 enters the main tank 30, then the catholyte containing high-concentration monovalent copper ions enters the chlorine absorption chamber 20 through the atomizer 23 through the circulating pump 29, then returns to the main tank 30 from the bottom of the chlorine absorption chamber 20 and the communication hole of the main tank 30 through the polyhedral ball 28, returns to the anode of the circulating tank 3 from the overflow port 26 of the main tank 30, returns to the anode of the electrolytic tank 1 for full regeneration, the main tank 30 is provided with the ORP detector 32 for adding the catholyte in time, the chlorine generated by the electrolytic tank 1 enters the chlorine absorption and reuse tower 2 through a pipeline, then enters the chlorine absorption chamber 20 through the communication hole at the bottom of the chlorine absorption chamber 20 and the communication hole at the top of the connected main tank 30 to react with the atomized catholyte and cuprous chloride in the catholyte to generate copper chloride, the absorption of the chlorine is completed, the residual waste gas enters the waste gas absorption tower 4 from the purified gas discharge port 21 after being filtered by the mist absorption filler 22, through discharging after sodium hydroxide absorption neutralization, a chlorine detector is installed at the purified gas discharge port 21, and the chlorine detector gives an alarm to indicate that the chlorine in the chlorine absorption recycling tower 2 does not fully react with the catholyte, and at the moment, the operation of the device is stopped and the device is overhauled to prevent the chlorine leakage from generating adverse consequences. The temperature of the catholyte in the main tank 30 is reduced through the cooling pipeline 31, and the temperature of the catholyte in the main tank 30 is kept below the normal temperature, which is more beneficial to the absorption of chlorine.
Claims (7)
1. An acid etching cyclic regeneration system with a chlorine absorption and reuse tower comprises an electrolytic cell (1) and a circulating cell (3) which are communicated with each other, wherein the circulating cell is divided into an anode region and a cathode region, and is characterized by also comprising a chlorine absorption and reuse tower (2), wherein the chlorine absorption and reuse tower comprises a tower body, and the tower body comprises a chlorine absorption chamber (20) and a main cell (30) communicated with the bottom of the chlorine absorption chamber (20); a purified gas discharge port (21) is formed in the top of the chlorine absorption chamber (20), a mist absorption filler layer is arranged inside the top end of the chlorine absorption chamber (20), at least one layer of spray pipe (33) is arranged below the mist absorption filler layer, at least one atomizer (23) is arranged below the spray pipe (33), and a multi-surface ball layer is arranged at the lower end of the atomizer (23); a chlorine gas inlet (25) is formed in one side of the upper end of the main groove (30), an overflow port (26) is formed in the middle of the surface of the main groove (30), an etching liquid inlet and outlet (27) is formed in the lower end of the surface of the main groove (30), a circulating pump (29) is arranged at the lower end of one side of the main groove (30), and the top of the circulating pump (29) is communicated with a spraying pipe (33) of the chlorine gas absorption chamber (20); the electrolytic cell (1) is communicated with a chlorine air inlet (25) of the chlorine absorption and reuse tower, the cathode area of the circulating cell (3) is communicated with an etching solution water inlet and outlet (27) of the chlorine absorption and reuse tower through a pipeline, and the overflow port (26) of the chlorine absorption and reuse tower is communicated with the anode area of the circulating cell (3) through a pipeline to form reflux.
2. The acid etching cycle regeneration system with a chlorine absorption recycle column of claim 1, wherein the chlorine absorption chamber (20) is provided with at least one observation window (24).
3. The system of claim 1, wherein the main tank (30) is provided with a cooling pipe (31) therein.
4. The system of claim 1, wherein the bottom of the chlorine absorption chamber (20) is provided with a communication hole at the top of the main tank (30) connected thereto.
5. The system of claim 1, wherein the ORP detector (32) is disposed in the main tank (30).
6. The system of claim 1, wherein the mist absorbing and filling material layer has a plurality of layers of absorbing and filtering materials.
7. The acid etching cycle regeneration system with a chlorine absorption and reuse tower as claimed in claim 1, wherein the purge gas discharge port (21) of the chlorine absorption and reuse tower is communicated with an exhaust gas tower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921499361.XU CN210560767U (en) | 2019-09-10 | 2019-09-10 | Acid etching circulation regeneration system with chlorine absorption tower of recycling |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921499361.XU CN210560767U (en) | 2019-09-10 | 2019-09-10 | Acid etching circulation regeneration system with chlorine absorption tower of recycling |
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| CN210560767U true CN210560767U (en) | 2020-05-19 |
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| CN201921499361.XU Active CN210560767U (en) | 2019-09-10 | 2019-09-10 | Acid etching circulation regeneration system with chlorine absorption tower of recycling |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114774989A (en) * | 2022-04-01 | 2022-07-22 | 安徽中科冉图环保科技有限公司 | Chlorine absorption cylinder for electrolytic treatment of acidic etching solution |
-
2019
- 2019-09-10 CN CN201921499361.XU patent/CN210560767U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114774989A (en) * | 2022-04-01 | 2022-07-22 | 安徽中科冉图环保科技有限公司 | Chlorine absorption cylinder for electrolytic treatment of acidic etching solution |
| CN114774989B (en) * | 2022-04-01 | 2024-05-14 | 安徽中科冉图环保科技有限公司 | Chlorine absorbing cylinder for electrolytic treatment of acidic etching solution |
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