CN209779009U

CN209779009U - acid electrolytic tank and electrolysis production line applying same

Info

Publication number: CN209779009U
Application number: CN201920500445.4U
Authority: CN
Inventors: 李建光
Original assignee: Shenzhen Hongda Environment Technology Co Ltd
Current assignee: Shenzhen Hongda Environment Technology Co Ltd
Priority date: 2019-04-12
Filing date: 2019-04-12
Publication date: 2019-12-13
Anticipated expiration: 2029-04-12

Abstract

The utility model provides an acid electrolysis trough and use its electrolysis to produce line, the electrolysis is produced the line and is included acid electrolysis trough, and acid electrolysis trough includes: the device comprises a cylinder body, an anode, a cathode, a circulation structure and an upper cover, wherein at least two reaction chambers are arranged in the cylinder body, the at least two reaction chambers are communicated with each other to form a communicating vessel, the upper cover is used for covering the at least two reaction chambers, and the circulation structure comprises a cathode overflow box, a pump body and a spray circulation pipe. In the electrolytic in-process, the etching waste liquid in the reaction chamber flows into the cathode overflow box, the etching waste liquid in the pump body drive cathode overflow box flows into the spray circulating pipe in the adjacent reaction chamber and flows out, the etching waste liquid flows into the adjacent reaction chamber from the corresponding reaction chamber, therefore, the etching waste liquid in each different reaction chamber can be mixed to keep the concentration uniform, so that the reduction reaction of cathode copper ions is more sufficient, thereby improving the efficiency of the copper ions when being reduced, and ensuring the uniformity of distribution of the copper ions when being reduced.

Description

Acid electrolytic tank and electrolysis production line applying same

Technical Field

The utility model belongs to the technical field of electrolysis equipment, especially, relate to an acid electrolysis trough and use its electrolysis production line.

Background

The PCB is an important component of an integrated circuit, the PCB is usually processed by an etching process, etching waste liquid generated in the process of processing the PCB usually contains a large amount of copper ions, if the copper ions are directly discharged, copper resources are wasted, and the environment is seriously polluted, so that the copper recovery is usually carried out on the etching waste liquid in the prior art.

In the prior art, the concentration of the acidic etching waste liquid in the acidic electrolytic tank is not uniform, so that the efficiency of reducing copper ions on a cathode plate is not high and the shape is not uniform.

SUMMERY OF THE UTILITY MODEL

the utility model aims to solve the technical problem that an electrolysis production line of acid electrolysis trough and applied it is provided, aim at keeping the acid etching waste liquid concentration in the acid electrolysis trough even, improve the efficiency when copper ion is reduced, make the copper ion distribute evenly when being reduced.

In order to solve the above technical problem, the present invention is realized by an acid electrolytic cell, comprising: the device comprises a cylinder body, an anode, a cathode, a circulating structure and an upper cover, wherein at least two reaction chambers are arranged in the cylinder body, the at least two reaction chambers are communicated with each other to form a communicating vessel, the upper cover is used for covering the at least two reaction chambers, the anode and the cathode for carrying out electrolytic reaction are arranged in each reaction chamber, the circulating structure comprises cathode overflow boxes, a pump body and spraying circulating pipes, the bottom of each reaction chamber is provided with the corresponding spraying circulating pipe, each reaction chamber is communicated with the corresponding cathode overflow box, the cathode overflow box corresponding to each reaction chamber is communicated with the corresponding spraying circulating pipe in the adjacent reaction chamber, the pump body is arranged between the cathode overflow box and the spraying circulating pipe, and drives the liquid in the cathode overflow box to flow to the corresponding spraying circulating pipe and then flow out and spray in the reaction chamber.

Furthermore, the spraying circulation pipe comprises a main pipe and a plurality of branch pipes, the main pipe and the branch pipes are horizontally arranged, the main pipe extends out of the reaction chamber and is connected with the pump body, the branch pipes are uniformly connected to the main pipe, and the branch pipes are provided with uniformly distributed spraying holes.

furthermore, the cathode overflow box is arranged on the peripheral side plate of the cylinder body and close to the opening of the cylinder body, the peripheral side plate of the cylinder body is provided with corresponding overflow ports, and the reaction chamber is communicated with the cathode overflow box through the overflow ports.

Furthermore, a waste liquid supplementing port and an additive supplementing port are arranged on the cathode overflow box.

Further, the acid electrolytic cell also comprises a high liquid level cathode overflow and an anode overflow; the high-liquid-level cathode overflow comprises a cathode high-level overflow box and a plurality of cathode high-level overflow pipes, the cathode high-level overflow box is arranged on the inner side of the peripheral wall of the cylinder body and close to the opening of the reaction chamber, the cathode high-level overflow pipes are communicated with the cathode high-level overflow box, the openings of the cathode high-level overflow pipes face upwards and are positioned in the same horizontal plane, cathode high-level overflow liquid outlet holes are formed in corresponding side plates of the cylinder body, and the cathode high-level overflow liquid outlet holes are communicated with the cathode high-level overflow box; the anode overflow comprises an anode overflow box and a plurality of anode overflow pipes, the anode overflow box is arranged on the inner side of the peripheral wall of the cylinder body, the anode overflow pipes are arranged on the anode overflow box, two ends of each anode overflow pipe are respectively communicated with the anode overflow box and the anode, and an anode overflow liquid outlet hole communicated with the anode overflow box is formed in a corresponding side plate of the cylinder body.

Furthermore, each reaction chamber is internally provided with a cooling structure, each cooling structure comprises a water inlet pipe, a water outlet pipe and a plurality of cooling pipes, the spraying circulating pipe is arranged between the bottom plate of the reaction chamber and the cooling pipes, the cooling pipes are communicated with the water inlet pipe and the water outlet pipes, the cooling pipes are parallel to each other and are uniformly arranged, etching waste liquid flowing out of the spraying circulating pipe is sprayed to the cooling pipes, and cooling water flows through the water inlet pipe, the cooling pipes and the water outlet pipes in sequence.

Furthermore, two opposite sides of the cylinder body are respectively provided with a conductive copper bar, and the anode and the cathode are respectively electrically connected with the conductive copper bars on the two sides of the cylinder body; each detachably is equipped with the polar plate in the reacting chamber and supports, the bottom that the polar plate supported is provided with the supporting legs, the interval is provided with positive pole support protrusion in the extending direction at the top that the polar plate supported, positive pole support groove has been seted up to positive pole support protruding top side, and adjacent positive pole supports and forms negative pole between the protrusion and supports the groove, and during operating condition the bottom of positive pole with negative pole bears respectively in positive pole support groove and negative pole support inslot.

further, the acid electrolysis trough still includes acid gas neutralization structure, acid gas neutralization structure includes that alkali lye conveyer pipe, alkali lye spray box and a plurality of fan-shaped nozzle, the alkali lye inlet has been seted up on the corresponding curb plate of cylinder body, alkali lye conveyer pipe connection the alkali lye inlet with the alkali lye sprays the box, fan-shaped nozzle evenly sets up on the alkali lye sprays the box, the alkali lye process the alkali lye conveyer pipe transmits in the alkali lye sprays the box back by fan-shaped nozzle blowout forms the alkali lye spraying.

Further, the acid electrolysis bath still includes negative pole convulsions and positive pole convulsions, the negative pole convulsions with the positive pole convulsions all set up the top of cylinder body, the negative pole convulsions include negative pole exhaust box and negative pole exhaust column, negative pole exhaust box intercommunication the reacting chamber with the negative pole exhaust column, the positive pole convulsions include positive pole exhaust box, positive pole exhaust column and positive pole convulsions intake pipe, positive pole exhaust box intercommunication the positive pole exhaust column, positive pole convulsions intake pipe intercommunication the positive pole with positive pole exhaust box.

Further, an electrolysis production line is provided for electrolyzing etching waste liquid, comprising the acidic electrolytic tank.

Compared with the prior art, the utility model, the beneficial effects lie in that the electrolysis production line of the medium acid electrolytic tank and the application thereof:

Etching waste liquid can the splendid attire go into two at least workrooms and carry out the electrolysis, at the in-process of electrolysis, etching waste liquid in the reacting chamber flows into in the negative pole overflow box that corresponds, later the etching waste liquid in the pump body drive negative pole overflow box flows out in flowing into the circulation pipe that sprays in the adjacent reacting chamber, because it is located the bottom of reacting chamber to spray the circulation pipe, consequently, can drive the etching waste liquid intensive flow mixture in the corresponding reacting chamber, make the liquid concentration in the reacting chamber even, and etching waste liquid flows to adjacent reacting chamber from corresponding reacting chamber, consequently, can make the etching waste liquid mixture in the reacting chamber of each difference in order to keep concentration even, make negative pole copper ion reduction reaction more abundant, thereby improve the efficiency when copper ion is reduced, and can guarantee that copper ion is when being reduced evenly distributed.

Drawings

FIG. 1 is a schematic rear view of the overall structure of an acid electrolyzer in an embodiment of the present invention;

FIG. 2 is a schematic view of the acid electrolyzer shown in the embodiment of the present invention in an exploded view;

FIG. 3 is a schematic view of the acid electrolyzer at a second viewing angle according to the embodiment of the present invention.

In the drawings, each reference numeral denotes: 01. a cylinder body; 011. an overflow port; 012. the cathode is provided with an overflow liquid outlet; 013. an anode overflow liquid outlet hole; 014. a liquid inlet hole; 015. a liquid outlet hole; 016. an alkali liquor inlet; 017. a water inlet; 018. a water outlet; 019. a spray water inlet; 02. a circulation structure; 021. a cathode overflow box; 022. a spray circulation pipe; 0211. a waste liquid replenishing port; 0212. an additive replenishment port; 0213. a cathode overflow drain pipe; 03. an upper cover; 04. high liquid level cathode overflow; 041. a cathode high-level overflow box; 042. a cathode high-position overflow pipe; 05. anode overflow; 051. an anode overflow box; 052. an anode overflow pipe; 06. a cooling structure; 061. a water inlet pipe; 062. a water outlet pipe; 063. a cooling tube; 07. a conductive copper bar; 08. supporting the polar plate; 081. supporting legs; 082. an anode support boss; 09. acid gas neutralization structure; 091. an alkali liquor conveying pipe; 092. an alkali liquor spraying box; 10. cathode air draft; 101. a cathode draft box; 102. a cathode exhaust pipe; 103. a cathode air draft inlet; 11. extracting air from the anode; 111. an anode exhaust box; 112. an anode exhaust pipe; 113. an anode air draft inlet pipe.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. The terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in an orientation or positional relationship indicated in the drawings for convenience and simplicity of description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the invention. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Example (b):

In this embodiment, as shown in fig. 1 to 3, an electrolytic production line (not shown) includes an acid electrolytic bath for electrolyzing the etching waste liquid, wherein the acid electrolytic bath includes: cylinder 01, positive pole (not shown), negative pole (not shown), circulation structure 02 and upper cover 03, at least two reaction chambers have in the cylinder 01, at least two reaction chambers communicate each other and form the linker, upper cover 03 is used for closing at least two reaction chambers, all be provided with the positive pole and the negative pole that carry out the electrolytic reaction in each reaction chamber, circulation structure 02 includes negative pole overflow box 021, the pump body and sprays circulating pipe 022, the bottom of each reaction chamber all is provided with corresponding spraying circulating pipe 022, each reaction chamber all communicates corresponding negative pole overflow box 021, the negative pole overflow box 021 that each reaction chamber corresponds all communicates with the spraying circulating pipe 022 that corresponds in the adjacent reaction chamber, the pump body sets up between negative pole overflow box 021 and spraying circulating pipe 022, the liquid in the pump body drive negative pole overflow box 021 flows out and sprays behind the corresponding spraying circulating pipe 022 and in the reaction chamber.

Etching waste liquid can the splendid attire go into two at least studio and carry out the electrolysis, at the in-process of electrolysis, etching waste liquid in the reacting chamber flows into in the negative pole overflow box 021 that corresponds, later the etching waste liquid in the pump body drive negative pole overflow box 021 flows in the circulation pipe 022 that sprays in the adjacent reacting chamber, because it is located the bottom of reacting chamber to spray circulation pipe 022, consequently, can drive the etching waste liquid intensive flow mixture in the corresponding reacting chamber, make the liquid concentration in the reacting chamber even, and etching waste liquid flows to adjacent reacting chamber from corresponding reacting chamber, consequently, can make the etching waste liquid mixture in the reacting chamber of each difference in order to keep the concentration even, make negative pole copper ion reduction reaction more abundant, thereby improve the efficiency when copper ion is reduced, and can guarantee that the copper ion distributes evenly when being reduced.

In this embodiment, taking two reaction chambers as an example, in order to make the etching waste liquid mix more evenly, the spraying circulation pipe 022 includes a main pipe and a plurality of branch pipes, the main pipe and the branch pipes are all horizontally arranged, the main pipe extends out of the reaction chambers and is connected with the pump body, the branch pipes are evenly connected to the main pipe, the main pipe is assembled with the spraying water inlet 019 on the cylinder body 01, each branch pipe is provided with evenly distributed spraying holes, the cathode overflow box 021 is provided with a cathode overflow drain pipe 0213, the main pipe and the cathode overflow drain pipe 0213 are connected through an external pipeline, and the pump body is arranged on the external pipeline. The cylinder body 01 is made of PP (Polypropylene), in order to enable the cylinder body 01 to be firmer, reinforcing ribs are hooped on the periphery of the cylinder body 01 and can be arranged in one circle or two circles, and different numbers of reinforcing ribs can be arranged according to actual needs, in the embodiment, the reinforcing ribs are formed by welding 80mm by 40mm by 5mm channel steel materials, the outer sides of the channel steels are coated with PP shells, and the PP shells are welded on the cylinder body 01, so that the integrity of the reinforcing ribs and the cylinder body 01 is better; the top periphery of cylinder body 01 is provided with a circle reinforcing panel, cathode overflow box 021 sets up on the curb plate all around of cylinder body 01 and is close to the opening part of cylinder body 01, and six cathode overflow boxes 021 set up the bottom side at reinforcing panel, and every reaction chamber corresponds and is provided with three cathode overflow box 021 promptly, has seted up corresponding overflow mouth 011 on the curb plate all around of cylinder body 01, and the reaction chamber passes through overflow mouth 011 and cathode overflow box 021 intercommunication, is provided with waste liquid replenishment 0211 and additive replenishment 0212 on the cathode overflow box 021. The liquid medicine (etching waste liquid) entering the electrolytic cell can be discharged by regenerated liquid medicine and supplemented by waste liquid medicine continuously along with the proceeding of electrolysis, so that the liquid medicine in the electrolytic cell is easy to become uneven in concentration, in the embodiment, the waste liquid medicine and additives respectively flow into the cathode overflow box 021 from the waste liquid supplementing port 0211 and the additive supplementing port 0212, the relatively high-level cathode liquid (etching waste liquid in the reaction chamber) in the reaction chamber flows into the cathode overflow box 021 through the overflow ports 011 on the side plates on the periphery of the cylinder body 01 to be collected, and then the liquid medicine flows out from the cathode overflow box 021 to the spraying circulating pipe 022 under the driving of the pump body, so that the liquid medicine in the electrolytic cell can be continuously and uniformly replaced from bottom to top, the dead angle of the liquid medicine does not exist, and copper ions can be reduced to form a copper plate with uniform. The adjacent reaction chambers are separated by a partition plate, and in order to keep the drug level balance between the reaction chambers, the bottom of the partition plate is provided with an opening communicated with the adjacent reaction chambers.

The acid cell also includes a high level cathode overflow 04 and an anode overflow 05:

The high-liquid-level cathode overflow 04 comprises a cathode high-level overflow box 041 and a plurality of cathode high-level overflow pipes 042, the cathode high-level overflow box 041 is arranged at the inner side of the peripheral wall of the cylinder body 01 and close to the opening of the reaction chamber, the cathode high-level overflow pipes 042 are communicated with the cathode high-level overflow box 041, the openings of the cathode high-level overflow pipes 042 are upward and positioned in the same horizontal plane, cathode high-level overflow liquid outlet holes 012 are formed in corresponding side plates of the cylinder body 01, and the cathode high-level overflow liquid outlet holes 012 are communicated with the cathode high-level overflow box 041; anode overflow 05 includes anode overflow box 051 and a plurality of anode overflow pipe 052, and anode overflow box 051 sets up the inboard at the 01 perisporium of cylinder body, and anode overflow pipe 052 sets up on anode overflow box 051, and anode overflow pipe 052 is used for intercommunication anode overflow box 051 and positive pole, sets up the anode overflow who communicates anode overflow box 051 on the corresponding curb plate of cylinder body 01 and goes out liquid hole 013. The high-liquid-level cathode overflow 04 is in a normally open state, the catholyte at the top of the reaction chamber flows into the cathode high-level overflow box 041 through the cathode high-level overflow pipe 042, then the catholyte in the cathode high-level overflow box 041 flows out through the cathode high-level overflow hole, and the cathode high-level overflow hole is externally connected with a pipeline (not shown) and a ball valve (not shown), so that the catholyte in the cathode high-level overflow box 041 is converted through the ball valve, and can overflow into the adjacent reaction chamber or directly overflow into a collection cylinder (not shown), and only when the anode overflow 05 needs to be opened, the overflow valve at the position can be closed; the anode is plate-shaped, ionic membranes are respectively arranged on two plate surfaces of the anode, the anode electrode is arranged between the two ionic membranes, anolyte is arranged between the two ionic membranes in the reaction process, an anode overflow liquid outlet hole 013 is arranged in the middle of the upper part of the cylinder body 01 side plate and is connected with an outer pipe (not shown), the anolyte flows into an anode overflow box 051 through an anode overflow pipe 052 and finally flows out of the outer pipe for collection through an anode overflow liquid outlet hole 013, and anode overflow 05 overflows at regular time according to liquid medicine parameters, so that the anode overflow 05 is in a normally closed state, and the anolyte (anolyte) has the characteristics of high ORP (Oxidation-Reduction Potential) and low acidity.

Since the temperature of the waste etching solution from the etching line is usually high, and the waste etching solution entering the electrolytic tank has a certain temperature requirement when being subjected to electrolytic reduction, the temperature of the waste etching solution is lowered to a required temperature range, in this embodiment, a cooling structure 06 is disposed in each reaction chamber, each cooling structure 06 includes a water inlet pipe 061, a water outlet pipe 062, and a plurality of cooling pipes 063, the spray circulation pipe 022 is disposed between the bottom plate of the reaction chamber and the cooling pipes 063, the cooling pipes 063 communicate the water inlet pipe 061 with the water outlet pipe 062, the cooling pipes 063 are disposed in parallel and uniformly, the waste etching solution flowing out from the spray circulation pipe 022 is sprayed to the cooling pipes 063, and the cooling water flows through the water inlet pipe 061, the cooling pipes 063, and the water outlet pipe 062 in sequence. Specifically, the cooling structures 06 are disposed in both the two reaction chambers, the water inlet pipe 061 and the water outlet pipe 062 of each cooling structure 06 are disposed in parallel, the cooling pipe 063 is perpendicular to the water inlet pipe 061 and the water outlet pipe 062, the water inlet pipe 061, the water outlet pipe 062, and the cooling pipe 063 are all made of titanium, correspondingly, each reaction chamber is provided with a water inlet 017 and a water outlet 018, the water inlet 017 and the water outlet 018 are correspondingly and respectively assembled into the water inlet pipe 061 and the water outlet pipe 062, the cooling structures 06 in adjacent reaction chambers are communicated with each other, taking this embodiment as an example, the water outlet pipe 062 in one cooling structure 06 is connected with the water inlet pipe 061 of another cooling structure 06, so that the cooling water can flow into the next cooling structure 06 after flowing through one cooling structure 06, thereby cooling the etching waste liquid in the two reaction chambers, the cooling pipe 063 in this embodiment is different from the traditional disk-type pipe, the parallel connection is adopted, so that the resistance of the pipeline is reduced, and the cooling efficiency can be improved, thereby ensuring the production safety and improving the current efficiency.

The two opposite sides of the cylinder body 01 are respectively provided with a conductive copper bar 07, and the anode and the cathode are respectively electrically connected with the conductive copper bars 07 on the two sides of the cylinder body 01; specifically, the mounting hole has been seted up on the electrically conductive copper bar 07, set up the polar plate draw-in groove of one-to-one on the relative both sides board on the cylinder body 01, the draw-in groove endotheca has the protective sheath, and the protective sheath adopts the teflon material, and negative pole and positive pole inlay card are in the base plate draw-in groove that corresponds on the board of both sides, and at this moment, negative pole and positive pole just correspond with the mounting hole on the electrically conductive copper bar 07, and the protective sheath can protect cylinder body 01, can also make negative pole and positive. In order to further ensure the working reliability of the cathode and the anode, in this embodiment, each reaction chamber is detachably assembled with a plate support 08, the bottom of the plate support 08 is provided with a support leg 081, anode support protrusions 082 are arranged at intervals in the extending direction of the top of the plate support 08, the top side of each anode support protrusion 082 is provided with an anode support groove, a cathode support groove is formed between adjacent anode support protrusions 082, and the bottoms of the anode and the cathode are respectively supported in the anode support groove and the cathode support groove in the working state, so that copper ions are reduced to copper on the cathode along with the electrolytic process, so that the weight of the cathode is continuously increased and the support of the plate support 08 can be obtained, and the operation of the electrolytic cell is safer and more reliable.

In this embodiment, the etching waste liquid mainly contains copper chloride, so acid gas is generated in the electrolytic process, and if the acid gas escapes from the reaction chamber during copper discharging, acid mist is formed and emitted to the environment to cause environmental pollution, so it is necessary to remove the acid gas in the reaction chamber before copper discharging, in this embodiment, the acid electrolytic tank is provided with an acid gas neutralizing structure 09, the acid gas neutralizing structure 09 comprises an alkali liquor conveying pipe 091, an alkali liquor spraying box 092 and a plurality of fan-shaped nozzles, a corresponding side plate of the cylinder body 01 is provided with an alkali liquor inlet 016, the alkali liquor conveying pipe 091 is connected with the alkali liquor inlet 016 and the alkali liquor spraying box 092, the fan-shaped nozzles are uniformly arranged on the alkali liquor spraying box 092, and the alkali liquor is sprayed by the fan-shaped nozzles after being conveyed into the alkali liquor spraying box 092 through the alkali liquor conveying pipe 091 to form alkali liquor mist. Before going out the copper, the alkali lye spraying that forms in the reacting chamber can be with acid gas, later can not have acid mist to distribute to the environment when opening the lid and go, and environmental protection more, the waste water that sprays the production can be used for transferring the medicine after collecting, goes in the reuse etching liquid medicine (etching waste liquid).

be provided with negative pole convulsion 10 and positive pole convulsion 11 on the acid electrolysis trough, negative pole convulsion 10 and positive pole convulsion 11 all set up the top at cylinder body 01, negative pole convulsion 10 includes negative pole exhaust box 101 and negative pole exhaust column 102, negative pole exhaust box 101 intercommunication reacting chamber and negative pole exhaust column 102, positive pole convulsion 11 includes positive pole exhaust box 111, positive pole exhaust column 112 and positive pole convulsion intake pipe 113, positive pole exhaust box 111 intercommunication positive pole exhaust column 112, positive pole convulsion intake pipe 113 intercommunication positive pole and positive pole exhaust box 111. Cathode gas enters into cathode air draft box 101 through cathode air draft air inlet 103 above the left side plate and the right side plate, final cathode gas is drawn to cathode air draft 10 main pipeline through cathode air draft pipe 102, anode gas enters into anode air draft box 111 from the anode through anode air draft air inlet pipe 113, final anode gas is drawn to anode air draft 11 main pipeline through anode air draft pipe 112, because cathode air draft 10 and anode air draft 11 are both arranged above the electrolytic cell, therefore, liquid medicine is not easy to diffuse into the air draft box or enters into the air draft pipe to cause crystallization pipe blockage phenomenon because of air draft clamp belt, and reliable operation of the air draft system is guaranteed.

The bottom plate of the cylinder body 01 is provided with two openings, namely a liquid inlet hole 014 and a liquid outlet hole 015, and etching waste liquid enters the electrolytic bath from the liquid inlet hole 014 for electrolysis so as to realize the reduction of copper produced in the cathode electrolysis way and the regeneration of anode etching liquid; the liquid outlet hole 015 is used for realizing the discharge of etching liquid, and the connected drain pipe is connected with a tee joint, and a liquid level sensing probe is installed for protecting the normal operation of the pump body; the bottom of the cylinder body 01 is provided with an organic foot rest for leveling, so that the on-site cleaning and sanitation are facilitated.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. An acid cell, comprising: cylinder body (01), positive pole, negative pole, loop construction (02) and upper cover (03), have two at least reaction chambers in cylinder body (01), two at least reaction chambers communicate each other and form the linker, upper cover (03) are used for covering two at least reaction chambers, every all be provided with in the reaction chamber and carry out the electrolysis reaction the positive pole with the negative pole, loop construction (02) include negative pole overflow box (021), the pump body and spray circulating pipe (022), each the bottom of reaction chamber all is provided with the correspondence spray circulating pipe (022), each the reaction chamber all communicates with the correspondence the negative pole overflow box (021), each the reaction chamber corresponds negative pole overflow box (021) all with adjacent reaction chamber in correspond spray circulating pipe (022) intercommunication, the pump body sets up negative pole overflow box (021) with spray between the circulating pipe (022), the pump body drives the liquid in the cathode overflow box (021) to flow to the corresponding spraying circulating pipe (022) and then flow out and spray in the reaction chamber.

2. The acid electrolytic cell according to claim 1, wherein the spray circulation pipe (022) comprises a main pipe and a plurality of branch pipes, wherein the main pipe and the branch pipes are horizontally arranged, the main pipe extends out of the reaction chamber and is connected with the pump body, the branch pipes are uniformly connected to the main pipe, and spray holes are uniformly distributed on each branch pipe.

3. The acid electrolytic cell according to claim 1, wherein the cathode overflow box (021) is arranged on the peripheral side plate of the cylinder (01) and close to the opening of the cylinder (01), the peripheral side plate of the cylinder (01) is provided with a corresponding overflow port (011), and the reaction chamber is communicated with the cathode overflow box (021) through the overflow port (011).

4. The acid electrolyser of claim 3 wherein said cathode overflow box (021) is provided with a waste liquid replenishment port (0211) and an additive replenishment port (0212).

5. An acid cell according to any of claims 1 to 4, characterized in that it further comprises a high level cathode overflow (04) and an anode overflow (05);

The high-liquid-level cathode overflow (04) comprises a cathode high-level overflow box (041) and a plurality of cathode high-level overflow pipes (042), wherein the cathode high-level overflow box (041) is arranged on the inner side of the peripheral wall of the cylinder body (01) and close to an opening of the reaction chamber, the cathode high-level overflow pipes (042) are communicated with the cathode high-level overflow box (041), the openings of the cathode high-level overflow pipes (042) face upwards and are positioned in the same horizontal plane, cathode high-level overflow liquid outlet holes (012) are formed in corresponding side plates of the cylinder body (01), and the cathode high-level overflow liquid outlet holes (012) are communicated with the cathode high-level overflow box (041);

Anode overflow (05) includes positive pole overflow box (051) and a plurality of positive pole overflow pipe (052), positive pole overflow box (051) sets up the inboard of cylinder body (01) perisporium, positive pole overflow pipe (052) set up on positive pole overflow box (051), the both ends of positive pole overflow pipe (052) communicate respectively positive pole overflow box (051) with the positive pole, seted up the intercommunication on the corresponding curb plate of cylinder body (01) the positive pole overflow of positive pole overflow box (051) goes out liquid hole (013).

6. An acid electrolyser as claimed in claim 5, characterized in that cooling structures (06) are provided in each of said reaction chambers, each of said cooling structures (06) comprising a water inlet pipe (061), a water outlet pipe (062) and a plurality of cooling pipes (063), said spray circulation pipe (022) being provided between the floor of said reaction chamber and said cooling pipes (063), said cooling pipes (063) communicating said water inlet pipe (061) with said water outlet pipe (062), each of said cooling pipes (063) being arranged parallel and uniformly to each other, the etching waste liquid flowing out of said spray circulation pipe (022) being sprayed towards said cooling pipes (063), the cooling water flowing through said water inlet pipe (061), cooling pipes (063) and said water outlet pipe (062) in sequence.

7. The acid electrolyser in accordance with claim 5, characterized in that opposite sides of said cylinder (01) are provided with respective copper bars (07), said anode and said cathode being electrically connected to said copper bars (07) on respective sides of said cylinder (01);

Polar plate supports (08) are detachably assembled in each reaction chamber, supporting legs (081) are arranged at the bottoms of the polar plate supports (08), anode supporting protrusions (082) are arranged at intervals in the extending direction of the tops of the polar plate supports (08), anode supporting grooves are formed in the top sides of the anode supporting protrusions (082), cathode supporting grooves are formed between the adjacent anode supporting protrusions (082), and the bottoms of the anodes and the bottoms of the cathodes are respectively loaded in the anode supporting grooves and the cathode supporting grooves in a working state.

8. The acid electrolytic cell according to claim 5, characterized in that the acid electrolytic cell further comprises an acid gas neutralizing structure (09), the acid gas neutralizing structure (09) comprises an alkali liquor conveying pipe (091), an alkali liquor spraying box (092) and a plurality of fan-shaped nozzles, an alkali liquor inlet (016) is arranged on a corresponding side plate of the cylinder body (01), the alkali liquor conveying pipe (091) is connected with the alkali liquor inlet (016) and the alkali liquor spraying box (092), the fan-shaped nozzles are uniformly arranged on the alkali liquor spraying box (092), and alkali liquor is conveyed into the alkali liquor spraying box (092) through the alkali liquor conveying pipe (091) and then is sprayed out by the fan-shaped nozzles to form alkali liquor spraying.

9. the acid electrolysis cell according to claim 8, wherein the acid electrolysis cell further comprises a cathode draft (10) and an anode draft (11), wherein the cathode draft (10) and the anode draft (11) are both arranged at the top of the cylinder (01), the cathode draft (10) comprises a cathode draft box (101) and a cathode draft tube (102), the cathode draft box (101) is communicated with the reaction chamber and the cathode draft tube (102), the anode draft (11) comprises an anode draft box (111), an anode draft tube (112) and an anode draft inlet tube (113), the anode draft box (111) is communicated with the anode draft tube (112), and the anode draft inlet tube (113) is communicated with the anode and the anode draft box (111).

10. an electrolysis production line for electrolyzing an etching waste liquid, characterized by comprising an acidic electrolytic bath according to any one of claims 1 to 9.