CN212357397U - Device for recovering chlorine gas by acid etching copper recovery system - Google Patents
Device for recovering chlorine gas by acid etching copper recovery system Download PDFInfo
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- CN212357397U CN212357397U CN202020647597.XU CN202020647597U CN212357397U CN 212357397 U CN212357397 U CN 212357397U CN 202020647597 U CN202020647597 U CN 202020647597U CN 212357397 U CN212357397 U CN 212357397U
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Abstract
The utility model provides a device for recovering chlorine gas by an acid etching copper recovery system, which comprises a production line mechanism, an electrolytic tank, an etching machine, a liquid medicine auxiliary tank and a gas-liquid mixing and circulating mechanism, wherein the etching machine comprises a liquid medicine main tank, the main liquid medicine tank is connected with the auxiliary liquid medicine tank, the etching machine is arranged on one side of the starting end of the production line mechanism and is connected with the production line mechanism in a feeding working way, the electrolytic bath is arranged at one side of the tail end of the production line mechanism and used for recovering the residual etching solution in the production work, the electrolytic bath is connected with a chlorine storage bottle through a gas transmission pipe, the gas-liquid mixing and circulating mechanism comprises a liquid medicine circulating pump, the water outlet end of the liquid medicine circulating pump is provided with an ejector, the liquid medicine auxiliary tank, the liquid medicine circulating pump and the ejector form circulating closed connection through circulating pipes, and the ejector is connected with the chlorine storage bottle through a gas conveying pipe II. The utility model discloses not only practice thrift equipment fixing cost and manufacturing cost, but also have energy saving and emission reduction's effect.
Description
Technical Field
The utility model mainly relates to the technical field of acid etching copper recovery, in particular to a device for recovering chlorine by an acid etching copper recovery system.
Background
The equipment volume of the acid etching copper recovery system is large, the occupied area is 100-500 square meters, the arrangement of the existing production workshop of a client only considers the arrangement of the original equipment, and a lot of reserved space is not reserved. The adopted acid etching copper recovery system is generally newly increased and planned later, and only enough space is available for equipment arrangement far away from the original etching production equipment, so that the acid etching copper recovery system can be recycled on line only by being connected with an etching production line through a pipeline, and the functions of energy conservation and emission reduction are achieved;
at present, chlorine gas in an acid copper recovery system is generally absorbed in a chlorine gas dissolving cylinder of a copper recovery plant to form a regenerated liquid, and the regenerated etching liquid dissolved with the chlorine gas is conveyed to an etching production line by a pipeline and a pump. As the solubility of the chlorine in the regenerated etching solution is not high, in order to achieve the etching capacity required by the production line, a large amount of regenerated etching solution in which the chlorine is dissolved is required to be conveyed to the production line to participate in the reaction, and the failed etching solution is required to return to the regeneration solution cylinder and the dissolution cylinder of the acid copper recovery system in time for cyclic regeneration. The conveying process of the regenerated liquid has the following characteristics: 1. the conveying distance is long, 2, the specific gravity of the liquid is high, 3, the conveying circulation is large, 4, the flow speed is high, and 5, the pressure of the liquid in the pipeline is large;
in order to ensure the normal production of the production line, the acid copper recovery system needs to design a regeneration liquid cylinder and an absorption cylinder with large capacity, a large conveying pipeline and a high-power high-lift pump for matching use, the requirements on equipment and pipelines are very high, great potential safety hazards exist in the conveying process, and the consumed electric energy is very large.
SUMMERY OF THE UTILITY MODEL
The utility model mainly provides a device for recovering chlorine gas by an acid etching copper recovery system, which is used for solving the technical problem provided in the background technology.
The utility model provides a technical scheme that above-mentioned technical problem adopted does:
a device for recovering chlorine gas by an acid etching copper recovery system comprises a production line mechanism, an electrolytic cell, an etching machine, a liquid medicine auxiliary tank and a gas-liquid mixing and circulating mechanism, wherein the etching machine comprises a liquid medicine main tank which is connected with the liquid medicine auxiliary tank, the etching machine is arranged on one side of the starting end of the production line mechanism and is in feeding work connection with the production line mechanism, the electrolytic cell is arranged on one side of the tail end of the production line mechanism and is used for recovering residual etching liquid in production work, and the electrolytic cell is connected with a chlorine gas storage bottle through a gas pipe;
the gas-liquid mixing circulation mechanism comprises a liquid medicine circulating pump, an ejector is arranged at the water outlet end of the liquid medicine circulating pump, the liquid medicine auxiliary tank, the liquid medicine circulating pump and the ejector form circulating closed connection through circulating pipes, and the ejector is connected with the chlorine storage bottle through a gas conveying pipe II.
Furthermore, a liquid flow-limiting valve is installed on the pipe body of the circulating pipe close to the water outlet end of the liquid medicine auxiliary tank, and a pressure relief valve is installed on the pipe body of the circulating pipe close to the water inlet end of the liquid medicine auxiliary tank.
Further, etching machine one side is provided with exhaust mechanism, and this exhaust mechanism contains the air exhauster, this air exhauster through the tuber pipe with liquid medicine owner groove top is connected.
Further, an axial flow fan is installed on the first gas conveying pipe and conducts flow along the direction from the electrolytic bath to the chlorine storage bottle.
Furthermore, a check valve is installed on the second gas conveying pipe and is a gas check valve.
Furthermore, the gas-supply pipe is two to be located be connected with the overflow pipe on the body between chlorine storage bottle and the check valve, the overflow pipe is kept away from two one end of gas-supply pipe are connected with the interim bin of chlorine.
Furthermore, a stop valve is installed on the overflow pipe, and the stop valve is of a manual-automatic integrated type.
Furthermore, a heat-resistant heat-insulating material layer is arranged on the outer wall of the circulating pipe.
Compared with the prior art, the beneficial effects of the utility model are that:
firstly, the utility model adopts the mode of conveying chlorine gas to replace the conventional mode of conveying a large amount of regenerated liquid, does not need a chlorine gas absorption dissolving cylinder, directly utilizes the liquid medicine attaching groove of the existing etching machine as the chlorine gas absorption dissolving cylinder, reduces the occupied area of equipment and reduces the equipment investment;
secondly, the utility model utilizes the suction force of the vacuum degree of the ejector to convey chlorine to the production line to participate in production, thus completely avoiding the electric energy consumed by the absorption cylinder for absorbing and conveying liquid, the pressure in the pipeline is low pressure, and the conveyed substance is pure chlorine participating in reaction, thereby avoiding the defects of large potential safety hazard and large energy consumption existing in the long-distance liquid conveying and achieving the effects of energy conservation and emission reduction;
thirdly, the utility model discloses directly attach the groove at etching machine liquid medicine and absorb and dissolve chlorine, hydrochloric acid and hypochlorous acid of formation can participate in etching production consumption at once, can accomplish constantly to dissolve, constantly consumes, dissolves many times repeatedly, makes solution can not be because of the little easy oversaturation of chlorine solubility and effusion. And even if the chlorine is not dissolved in the liquid medicine due to saturation, the chlorine can be directly reacted and consumed with copper when contacting with the copper plate, so that the chlorine can be greatly utilized to participate in etching reaction, the addition of hydrochloric acid and oxidizing agents (hypochlorous acid and chloric acid substances) is reduced, and the production cost is reduced.
The present invention will be explained in detail with reference to the drawings and specific embodiments.
Drawings
FIG. 1 is a schematic structural view of the overall recycling system of the present invention;
FIG. 2 is a schematic view of the gas-liquid mixing circulation mechanism of the present invention;
fig. 3 is a flowchart of the recycling system of the present invention.
In the figure: 100. a production line mechanism; 101. an electrolytic cell; 102. an axial flow fan; 103. A first gas transmission pipe; 104. a chlorine storage bottle; 105. a second gas conveying pipe; 1051. a one-way valve; 106. a gas-liquid mixing circulation mechanism; 1061. a liquid medicine circulating pump; 1062. an ejector; 107. A liquid medicine auxiliary tank; 108. a circulation pipe; 1081. a liquid flow restriction valve; 1082. a pressure relief valve; 109. An etching machine; 110. an air draft mechanism; 111. an overflow pipe; 1111. a stop valve; 112. Chlorine temporary storage tank.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully with reference to the accompanying drawings, in which several embodiments of the present invention are shown, but the present invention can be implemented in different forms, and is not limited to the embodiments described in the text, but rather, these embodiments are provided to make the disclosure of the present invention more thorough and comprehensive.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the use of the term knowledge in the specification of the present invention is for the purpose of describing particular embodiments and is not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1 and 2, a device for recovering chlorine gas by an acid etching copper recovery system comprises a production line mechanism 100, an electrolytic cell 101, an etching machine 109, a liquid medicine auxiliary cell 107 and a gas-liquid mixed circulation mechanism 106, wherein the etching machine 109 comprises a liquid medicine main cell, the liquid medicine main cell is connected with the liquid medicine auxiliary cell 107, the etching machine 109 is arranged on one side of the starting end of the production line mechanism 100 and is in feeding working connection with the production line mechanism 100, an air draft mechanism 110 is arranged on one side of the etching machine 109, the air draft mechanism 110 comprises an air draft fan, the air draft fan is connected with the top of the liquid medicine main cell through an air pipe, the air draft fan pumps redundant gas in the liquid medicine main cell for recovery processing to keep the etching machine 109 to feed the production line well, the electrolytic cell 101 is arranged on one side of the tail end of the production line mechanism 100 and recovers residual, and the electrolytic cell 101 is connected with a chlorine storage bottle 104 through a first gas pipe 103, the gas-liquid mixing circulation mechanism 106 comprises a liquid medicine circulating pump 1061, the water outlet end of the liquid medicine circulating pump 1061 is provided with an ejector 1062, the auxiliary liquid medicine tank 107, the liquid medicine circulating pump 1061 and the ejector 1062 are all connected in a circulating closed manner through a circulating pipe 108, a heat-resistant heat-insulating material layer is arranged on the outer wall of the circulating pipe 108, the liquid medicine is better insulated, and the ejector 1062 is connected with the chlorine storage bottle 104 through a second gas pipe 105.
Referring to fig. 2, a liquid flow-limiting valve 1081 is installed on the pipe body of the circulation pipe 108 near the outlet end of the auxiliary tank 107, and a pressure-relief valve 1082 is installed on the pipe body of the circulation pipe 108 near the inlet end of the auxiliary tank 107. In this embodiment, the liquid flow limiting valve 1081 is used to limit the circulation flow rate of the liquid medicine in the auxiliary liquid medicine tank 107, the liquid flow limiting valve 1081 may be an SX21W-16P type flow limiting valve, which is convenient to control the change of the flow rate of the liquid medicine, when the liquid medicine and the chlorine gas are mixed in the ejector 1062 to generate high pressure and then the high pressure is released to the auxiliary liquid medicine tank 107 through the automatic opening and closing of the pressure relief valve 1082, so that the pressure is adjusted, and the risk of disconnection of the interface of the circulation pipe 108 or deformation of the pipe body is avoided.
Referring to fig. 1, an axial flow fan 102 is installed on the first gas transmission pipe 103, and the axial flow fan 102 guides flow along the direction from the electrolytic cell 101 to the chlorine storage bottle 104. In this embodiment, the axial flow fan 102 accelerates the transportation of chlorine gas from the electrolytic bath 101 to the chlorine gas storage bottle 104, thereby improving the production efficiency.
Referring to fig. 1 again, a check valve 1051 is installed on the second gas pipe 105, the check valve 1051 is a gas check valve, an overflow pipe 111 is connected to a pipe body of the second gas pipe 105 located between the chlorine storage bottle 104 and the check valve 1051, one end of the overflow pipe 111, which is far away from the second gas pipe 105, is connected to a chlorine temporary storage tank 112, and a stop valve 1111 is installed on the overflow pipe 111, and the stop valve 1111 is a manual-automatic integrated type. In this embodiment, the one-way valve 1051 limits that the chlorine in the second gas delivery pipe 105 cannot flow back, if one end of the ejector 1062 is blocked, the chlorine is delivered to enter the temporary chlorine storage tank 112 through the overflow pipe 111 after the flow of the front end of the one-way valve 1051 is stopped, and is stored, the stop valve 1111 on the overflow pipe 111 can be manually operated to open and close and also can be automatically operated to open and close by utilizing a manual-automatic integrated design, so that the chlorine cannot leak under the condition of negligence of workers, and the production safety is improved.
Referring to fig. 1-3, the operation of the present invention is as follows:
after the production is started through the production line mechanism 100, the etching solution is taken out from the main liquid medicine tank by the etching machine 109 at the starting end and is sent into the etching line tank, then the chlorine is extracted by the electrolysis tank 101 at the tail end of the production line mechanism 100 through re-electrolysis of the working etching solution and is led into the chlorine storage bottle 104 through the axial flow fan 102 on the first gas pipe 103, then the chlorine enters the ejector 1062 along the second gas pipe 105 to be mixed with the etching solution at high pressure and then enters the auxiliary liquid medicine tank 107 to be dissolved in the process that the etching solution is circulated through the circulating pipe 108 by the auxiliary liquid medicine tank 107, the etching solution in the auxiliary liquid medicine tank 107 is continuously supplemented into the main liquid medicine tank when the etching machine 109 continuously extracts the etching solution from the main liquid medicine tank, and the redundant gas in the main liquid medicine tank is recycled and discharged by the air draft mechanism 110.
The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above-mentioned manner, if the method and the technical solution of the present invention are adopted, the present invention can be directly applied to other occasions without substantial improvement, and the present invention is within the protection scope of the present invention.
Claims (8)
1. A device for recovering chlorine gas by an acid etching copper recovery system comprises a production line mechanism (100), an electrolytic cell (101), an etching machine (109), a liquid medicine auxiliary tank (107) and a gas-liquid mixed circulation mechanism (106), and is characterized in that the etching machine (109) comprises a liquid medicine main tank, the liquid medicine main tank is connected with the liquid medicine auxiliary tank (107), the etching machine (109) is arranged on one side of the starting end of the production line mechanism (100) and is in feeding work connection with the production line mechanism (100), the electrolytic cell (101) is arranged on one side of the tail end of the production line mechanism (100) and is used for recovering residual etching liquid in production work, and the electrolytic cell (101) is connected with a chlorine gas storage bottle (104) through a gas pipe I (103);
the gas-liquid mixing circulating mechanism (106) comprises a liquid medicine circulating pump (1061), an ejector (1062) is arranged at the water outlet end of the liquid medicine circulating pump (1061), the liquid medicine auxiliary tank (107), the liquid medicine circulating pump (1061) and the ejector (1062) form circulating closed connection through a circulating pipe (108), and the ejector (1062) is connected with the chlorine storage bottle (104) through a gas pipe II (105).
2. The apparatus for recovering chlorine in an acid etching copper recovery system according to claim 1, wherein the liquid flow-limiting valve (1081) is installed on the pipe body of the circulation pipe (108) near the water outlet end of the chemical solution sub-tank (107), and the pressure-relief valve (1082) is installed on the pipe body of the circulation pipe (108) near the water inlet end of the chemical solution sub-tank (107).
3. The device for recovering chlorine in the acid etching copper recovery system according to claim 1, wherein an air draft mechanism (110) is arranged on one side of the etching machine (109), the air draft mechanism (110) comprises an air draft fan, and the air draft fan is connected with the top of the main liquid medicine tank through an air pipe.
4. The device for recovering chlorine gas of the acid etching copper recovery system according to claim 1, wherein the first gas conveying pipe (103) is provided with an axial flow fan (102), and the axial flow fan (102) guides flow in the direction from the electrolytic tank (101) to the chlorine gas storage bottle (104).
5. The device for recovering chlorine of the acid etching copper recovery system according to claim 1, wherein a one-way valve (1051) is installed on the second gas delivery pipe (105), and the one-way valve (1051) is a gas check valve.
6. The device for recovering chlorine in the acid etching copper recovery system according to claim 5, wherein an overflow pipe (111) is connected to the pipe body of the second gas pipe (105) between the chlorine storage bottle (104) and the one-way valve (1051), and one end of the overflow pipe (111) far away from the second gas pipe (105) is connected to a temporary chlorine storage tank (112).
7. The device for recovering chlorine of the acid etching copper recovery system according to claim 6, wherein the overflow pipe (111) is provided with a stop valve (1111), and the stop valve (1111) is manually and automatically integrated.
8. The apparatus for recovering chlorine gas in an acid etching copper recovery system as claimed in claim 1, wherein the outer wall of said circulation pipe (108) is provided with a heat-resistant insulating material layer.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020647597.XU CN212357397U (en) | 2020-04-24 | 2020-04-24 | Device for recovering chlorine gas by acid etching copper recovery system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020647597.XU CN212357397U (en) | 2020-04-24 | 2020-04-24 | Device for recovering chlorine gas by acid etching copper recovery system |
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| CN212357397U true CN212357397U (en) | 2021-01-15 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111394725A (en) * | 2020-04-24 | 2020-07-10 | 深圳市京中康科技有限公司 | Device for recovering chlorine gas by acid etching copper recovery system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111394725A (en) * | 2020-04-24 | 2020-07-10 | 深圳市京中康科技有限公司 | Device for recovering chlorine gas by acid etching copper recovery system |
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