Filtering and purifying device for etching liquid

By designing a combined filter device of purification tank and purification box, the problem of inconvenient replacement of filter elements in the prior art is solved, efficient purification and convenient replacement of etching liquid are achieved, and production efficiency is improved.

CN223158940UActive Publication Date: 2025-07-29HUANGGANG TCL ENVIRONMENTAL TECH CO LTD
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Patent Information

Application Number
CN202421720134.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-19
Publication Date
2025-07-29
Estimated Expiration
2034-07-19

AI Technical Summary

Technical Problem

The existing etching liquid filter device is integral, which causes inconvenient filter element replacement and affects production efficiency.

Method used

A filter purification device including a purification tank and a purification box is designed to achieve preliminary and secondary filtration through a combination of a pump and a filter element, and the filter element is detachable for easy replacement.

Benefits of technology

It realizes the efficient purification effect of the etching liquid, and the filter element is convenient to replace, improving production efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a filtering and purifying device for etching liquid, which comprises a bottom plate, the top of the bottom plate is fixedly connected with a frame body, the top of the bottom plate is provided with a purifying assembly, the purifying assembly comprises a first pump machine fixedly connected to the top of the bottom plate, and the left side of the first pump machine is fixedly connected with a water inlet pipe. A second pump machine is fixedly connected to the top of the bottom plate, a water outlet pipe is fixedly connected to the left side of the second pump machine, a first connecting pipe is fixedly connected to the top of the first pump machine, and a purification tank is fixedly connected to the front face of the first connecting pipe. According to the filtering and purifying device for the etching liquid, the first pump machine pumps the etching liquid into the purifying tank for preliminary filtering, impurities in the etching liquid can be preliminarily adsorbed, the third pump machine pumps the etching liquid preliminarily filtered in the purifying tank into the purifying box, and secondary filtering is conducted through a second filter element, so that the purifying effect of the etching liquid can be better, and the filtering effect of the etching liquid is improved. And the second pump machine pumps out the etching liquid in the purification box through a fourth connecting pipe and discharges the etching liquid through a water outlet pipe.
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Description

Technical Field

[0001] The utility model relates to the technical field of etching solution filtration, in particular to a filtration and purification device for etching solution. Background Technique

[0002] Etching solution is a raw material for copperplate engraving, a liquid used for engraving by eroding the characteristics of materials. Theoretically, any reagent that can oxidize copper to form soluble copper salts can be used to etch copper-clad laminates. However, aspects such as the damage to the resist layer, etching speed, etching coefficient, copper dissolution capacity, solution regeneration and copper recovery, environmental protection, and economic effects need to be considered.

[0003] In order to recycle waste etching solution, a filtration device is needed to remove impurities therein. However, since the existing filtration device is an integral filtration device, when the filter element needs to be replaced after being used for a period of time, the entire filtration device needs to be disassembled and then the filter element can be replaced, which reduces the replacement efficiency of the filter element and is not conducive to production. Therefore, a filtration and purification device for etching solution is proposed to solve the above problems. Content of the Utility Model

[0004] In view of the deficiencies of the prior art, the utility model provides a filtration and purification device for etching solution, which has the advantages of good filtration effect and being more convenient for replacing the filter element, and solves the problem that the existing filtration device is integral and not convenient for replacing the filter element.

[0005] To achieve the above object, the utility model provides the following technical solution: A filtration and purification device for etching solution, including a bottom plate, a frame body fixedly connected to the top of the bottom plate, and a purification component arranged on the top of the bottom plate.

[0006] Further, the purification component includes a first pump fixedly connected to the top of the bottom plate, a water inlet pipe fixedly connected to the left side of the first pump, a second pump fixedly connected to the top of the bottom plate, a water outlet pipe fixedly connected to the left side of the second pump, a first connecting pipe fixedly connected to the top of the first pump, a purification tank fixedly connected to the front of the first connecting pipe, a second connecting pipe fixedly connected to the front of the purification tank, a purification box fixedly connected to the top of the frame body, a third pump fixedly connected to the right side of the purification box, a third connecting pipe fixedly connected to the front of the third pump, and a fourth connecting pipe fixedly connected to the top of the second pump.

[0007] Further, a sealing cover is arranged on the top of the purification tank, and a first filter element is fixedly connected to the bottom of the sealing cover.

[0008] Further, the sealing cover is threadedly connected to the inside of the purification tank, and a handle is fixedly connected to the top of the sealing cover.

[0009] Further, a box cover is hinged to the top of the purification box, a bearing block is fixedly connected inside the purification box, and a second filter element is arranged on the top of the bearing block.

[0010] Further, a bolt is threadedly connected inside the bearing block, and the bolt penetrates through the second filter element.

[0011] Further, the fourth connecting pipe communicates with the purification box, and the third connecting pipe communicates with the purification box.

[0012] Compared with the prior art, the technical solution of the present application has the following beneficial effects:

[0013] 1. For the filtering and purification device for etching solution, the first pump draws the etching solution into the purification tank for preliminary filtration, and can preliminarily adsorb the impurities in the etching solution. The third pump draws the etching solution preliminarily filtered in the purification tank into the purification box, and performs secondary filtration through the second filter element, so that the purification effect of the etching solution is better. The second pump draws the etching solution in the purification box through the fourth connecting pipe and discharges it through the water outlet pipe.

[0014] 2. For the filtering and purification device for etching solution, by rotating the handle and the sealing cover, the first filter element can be taken out from the purification tank for replacement. By rotating the box cover and the bolt, the second filter element can be taken out from the purification box, and then the second filter element can be replaced. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a schematic structural diagram of the present utility model;

[0016] Figure 2 is another perspective schematic diagram of the present utility model;

[0017] Figure 3 is a schematic structural diagram of the interior of the purification tank of the present utility model;

[0018] Figure 4 is a schematic structural diagram of the interior of the purification box of the present utility model.

[0019] In the figure: 1 bottom plate, 2 frame body, 3 purification assembly, 301 first pump, 302 water inlet pipe, 303 second pump, 304 water outlet pipe, 305 first connecting pipe, 306 purification tank, 3061 sealing cover, 3062 handle, 3063 first filter element, 307 second connecting pipe, 308 third pump, 309 third connecting pipe, 310 purification box, 3101 box cover, 3102 bearing block, 3103 second filter element, 3104 bolt, 311 fourth connecting pipe. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0020] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0021] Please refer to Figures 1-4 , a filtering and purifying device for etching solution in this embodiment, includes a bottom plate 1, a frame 2 fixedly connected to the top of the bottom plate 1, and a purification component 3 arranged on the top of the bottom plate 1.

[0022] Among them, the purification component 3 includes a first pump 301 fixedly connected to the top of the bottom plate 1, a water inlet pipe 302 fixedly connected to the left side of the first pump 301, a second pump 303 fixedly connected to the top of the bottom plate 1, a water outlet pipe 304 fixedly connected to the left side of the second pump 303, a first connecting pipe 305 fixedly connected to the top of the first pump 301, a purification tank 306 fixedly connected to the front of the first connecting pipe 305, a second connecting pipe 307 fixedly connected to the front of the purification tank 306, a purification box 310 fixedly connected to the top of the frame 2, a third pump 308 fixedly connected to the right side of the purification box 310, a third connecting pipe 309 fixedly connected to the front of the third pump 308, and a fourth connecting pipe 311 fixedly connected to the top of the second pump 303. The fourth connecting pipe 311 is communicated with the purification box 310, and the third connecting pipe 309 is communicated with the purification box 310.

[0023] Secondly, a sealing cover 3061 is arranged on the top of the purification tank 306, a first filter element 3063 is fixedly connected to the bottom of the sealing cover 3061. The first filter element 3063 can be a barium sulfate-containing filter element. The sealing cover 3061 is threadedly connected to the inside of the purification tank 306, and a handle 3062 is fixedly connected to the top of the sealing cover 3061. By rotating the handle 3602 and the sealing cover 3601, the first filter element 3603 can be taken out of the purification tank 306 to replace the first filter element 3603.

[0024] In addition, a box cover 3101 is hinged to the top of the purification box 310, a bearing block 3102 is fixedly connected to the inside of the purification box 310, a second filter element 3103 is arranged on the top of the bearing block 3102, and a bolt 3104 is threadedly connected to the inside of the bearing block 3102. The bolt 3104 penetrates through the second filter element 3103. By rotating the box cover 3101 and turning the bolt 3104, the second filter element 3103 can be taken out of the purification box 310, and the second filter element 3103 can be replaced.

[0025] The working principle of the above embodiment is as follows:

[0026] (1) For the filtering and purifying device for etching solution, the first pump 301 pumps the etching solution into the purification tank 306 for preliminary filtration, which can preliminarily adsorb the impurities in the etching solution. The third pump 308 pumps the etching solution preliminarily filtered in the purification tank 306 into the purification box 310, and performs secondary filtration through the second filter element 3103, so that the purification effect of the etching solution can be better. The second pump 303 pumps out the etching solution in the purification box 310 through the fourth connecting pipe 311 and discharges it through the water outlet pipe 304.

[0027] (2) For the filtering and purifying device for etching solution, by rotating the handle 3062 and the sealing cover 3061, the first filter element 3063 can be taken out from the purification tank 306 for replacement. By rotating the box body cover 3101 and turning the bolts, the second filter element 3103 can be taken out from the purification box 310, and then the second filter element 3103 can be replaced.

[0028] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "comprising an..." does not exclude the presence of additional identical elements in the process, method, article or device comprising the said element.

[0029] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A filtering and purifying device for etching solution, comprising a bottom plate (1), characterized in that: A frame body (2) is fixedly connected to the top of the bottom plate (1), and a purification assembly (3) is arranged on the top of the bottom plate (1); The purification assembly (3) includes a first pump (301) fixedly connected to the top of the bottom plate (1). A water inlet pipe (302) is fixedly connected to the left side of the first pump (301). A second pump (303) is fixedly connected to the top of the bottom plate (1). A water outlet pipe (304) is fixedly connected to the left side of the second pump (303). A first connecting pipe (305) is fixedly connected to the top of the first pump (301). A purification tank (306) is fixedly connected to the front of the first connecting pipe (305). A second connecting pipe (307) is fixedly connected to the front of the purification tank (306). A purification box (310) is fixedly connected to the top of the frame body (2). A third pump (308) is fixedly connected to the right side of the purification box (310). A third connecting pipe (309) is fixedly connected to the front of the third pump (308). A fourth connecting pipe (311) is fixedly connected to the top of the second pump (303).

2. The filtering and purifying device for etching solution according to claim 1, wherein: A sealing cover (3061) is arranged on the top of the purification tank (306), and a first filter element (3063) is fixedly connected to the bottom of the sealing cover (3061).

3. The filtering and purifying device for etching solution according to claim 2, wherein: The sealing cover (3061) is threadedly connected to the inside of the purification tank (306), and a handle (3062) is fixedly connected to the top of the sealing cover (3061).

4. A filtering and purifying device for etching solution according to claim 1, characterized in that: A box body cover (3101) is hinged to the top of the purification box (310). A bearing block (3102) is fixedly connected to the inside of the purification box (310). A second filter element (3103) is arranged on the top of the bearing block (3102).

5. The filtering and purifying device for etching solution according to claim 4, characterized in that: A bolt (3104) is threadedly connected to the inside of the bearing block (3102), and the bolt (3104) penetrates through the second filter element (3103).

6. The filtering and purification device for etching solution according to claim 1, wherein: The fourth connecting pipe (311) is communicated with the purification box (310), and the third connecting pipe (309) is communicated with the purification box (310).