Circuit board DES line etching processing waste liquid recovery device

By designing a circuit board DES line etching processing waste liquid recycling device, the combination of chip collection sleeve, waste liquid sleeve, polymerization drainage shell and stirring inclined plate is used to solve the problems of liquid layering and chemical waste caused by different density of copper ion waste liquid and chemical agent, and the problem of uniform mixing of waste liquid and chemical agent and effective settlement of copper ions is achieved.

CN222795207UActive Publication Date: 2025-04-25KUNSHAN YUNDING AUTOMATION TECH CO LTD
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Patent Information

Application Number
CN202421598998.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-08
Publication Date
2025-04-25
Estimated Expiration
2034-07-08

AI Technical Summary

Technical Problem

In the prior art, the density of copper ion waste liquid and chemical agents is different, resulting in the delamination of liquids. Manual stirring can easily lead to the dispersion and unevenness of harmful gases. Mechanical stirring can only mix waste liquids and chemicals in a specific area, and cannot effectively mix liquids in distant places, resulting in waste of chemicals.

Method used

A circuit board DES line etching processing waste liquid recycling device is designed, including a recycling tank, a support frame, a liquid conduit, a filter box, a layered waste liquid mixing unit and a stirring inclined plate. The motor-driven chip collecting shell and waste liquid shell rotate, and combined with the polymerization drainage shell and stirring inclined plate, the uniform mixing of waste liquid and chemical agents and the settlement of copper ions are achieved.

Benefits of technology

It effectively solves the problems of liquid layering and chemical waste, realizes full mixing of waste liquid and chemical agents and effective settlement of copper ions, and improves the efficiency and safety of waste liquid recycling.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a circuit board DES line etching processing waste liquid recovery device. The device comprises a recovery tank; the support frame is detachably mounted on the outer side surface of the waste liquid recovery tank; the liquid guide pipes are fixedly connected to the bottom surface of the waste liquid recovery tank and located at the edges of the two sides; the waste liquid filtering box is detachably mounted at one end of the liquid guide pipe; a motor is detachably mounted on the bottom surface of the waste liquid recovery tank, and a layered waste liquid mixing unit is arranged on the inner side wall surface of the waste liquid recovery tank; when the waste liquid sleeve shell rotates centrifugally, low-density waste liquid in the waste liquid sleeve shell can gradually permeate outwards, so that the waste liquid gradually enters the interior of the scrap collecting sleeve shell and then is preliminarily mixed with a chemical agent in the scrap collecting sleeve shell, and the waste liquid and the chemical agent are continuously filled and overflowed; when the mixed liquid spreads over the highest position of the top of the scrap collecting sleeve shell, the mixed liquid spreads down towards the bottom of the outer side of the scrap collecting sleeve shell, and arcs on the surface of the bottom of the scrap collecting sleeve shell are utilized.
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Description

Technical Field

[0001] The utility model relates to the technical field of etching waste liquid recovery, in particular to a circuit board DES line etching processing waste liquid recovery device. Background Art

[0002] Circuit board can be called printed circuit board or printed circuit board, FPC circuit board, FPC circuit board is also called flexible circuit board. Flexible circuit board is made of polyimide or polyester film as the substrate, which is highly reliable and extremely flexible. The use of copper is an indispensable element of circuit board, but copper and its compounds have great pollution to the atmosphere, water and soil. When copper accumulates to a certain extent in the body, it can cause harm to human health.

[0003] At present, in the prior art, the etching liquid waste in the prior art contains a large amount of solid impurities. When the etching liquid waste is recovered, the copper ions in the etching liquid waste can be separated by filtering structure, chemical agents, ion exchange method and oxidation-reduction method. More often, the copper ions are separated by chemical agent neutralization precipitation. However, the densities of the copper ion waste liquid and the chemical agents are different. It is not easy to effectively mix the liquids with different densities, which can easily lead to stratification between the liquids. Manual stirring can easily volatilize the harmful gases in the copper waste liquid, and the manual stirring is not uniform enough. Mechanical stirring can only mix the waste liquid and the chemical agents in a specific area, and cannot effectively mix the waste liquid and the agent in a distant place, which can easily lead to the problem of agent waste.

[0004] To this end, the utility model provides a circuit board DES line etching processing waste liquid recovery device. Utility Model Content

[0005] To this end, the technical problem to be solved by the utility model is to overcome the different densities of copper ion waste liquid and chemical agents in the prior art. Liquids with different densities can easily lead to stratification between liquids, manual stirring can easily cause the escape of volatile harmful gases and the stirring is not uniform enough, and mechanical stirring can only mix waste liquid and chemical agents in a specific area, and cannot effectively mix waste liquid and agents in a distant area, which can easily lead to the problem of agent waste.

[0006] In order to solve the above technical problems, the utility model provides a circuit board DES line etching processing waste liquid recovery device, comprising:

[0007] Recycling cans;

[0008] A support frame detachably mounted on the outer surface of the waste liquid recovery tank;

[0009] A liquid guide tube fixedly connected to the bottom surface of the waste liquid recovery tank and located at the edge positions on both sides;

[0010] A waste liquid filter box detachably mounted on one end of the liquid guide tube;

[0011] A motor is detachably mounted on the bottom surface of the waste liquid recovery tank, a layered waste liquid mixing unit is arranged on the inner wall surface of the waste liquid recovery tank, the layered waste liquid mixing unit comprises a chip collecting shell fixedly connected to the output end of the motor, and the number of the chip collecting shells is arranged in multiple groups, a waste liquid shell is fixedly mounted on the inner wall surface of the top chip collecting shell, and the chemical agent pipe is cooperated to guide the chemical agent into the interior of the top chip collecting shell, and as the agent increases, the internal space of the chip collecting shell is filled, and copper waste liquid is infused into the interior of the waste liquid shell through the waste liquid guide pipe, and at the same time, the motor is cooperated to control the chip collecting shell and the waste liquid shell. The waste liquid casing rotates, and when the waste liquid casing rotates centrifugally, the low-density waste liquid inside the waste liquid casing will gradually penetrate outward, so that the waste liquid gradually enters the interior of the chip collecting casing, and then is preliminarily mixed with the chemical agents inside the chip collecting casing. A plurality of groups of polymer drainage shells are fixedly installed on the inner wall of the waste liquid recovery tank. The liquid drained by the polymer drainage shells will impact the waste liquid previously filled with the inside of the chip collecting casing. Under the impact of the liquid, the subsequent flowing liquid will impact into the liquid filled with the wall to mix. The flow of the liquid is used to make the liquids of different densities and layers impact to a certain extent. Multiple liquid The impact of the body makes the copper waste liquid fully and evenly mixed. One end of the multiple groups of polymer drainage shells respectively extends into the inner edge position of the top of the chip collecting shell. As the waste liquid and chemical agents are continuously filled and overflowed, when the mixed liquid spreads over the highest point on the top of the chip collecting shell, it will spread to the outer bottom of the chip collecting shell. The curvature on the bottom surface of the chip collecting shell is used to make the liquid drain and slide, and then the polymer drainage shell is used to guide the waste liquid sliding on the surface of the chip collecting shell to flow, so that the mixed waste liquid enters the interior of the chip collecting shells at different positions, and is continuously filled and mixed in the interiors of different chip collecting shells, so that the waste liquid and In order to achieve the effect of fully carrying out chemical reaction of chemicals, two groups of chemical agent pipes are arranged on the top surface of the waste liquid recovery tank, a waste liquid diversion pipe is arranged on the top inner wall surface of the waste liquid casing, and a plurality of groups of stirring inclined plates are fixedly installed on the inner deep wall surface of the chip collecting casing. The stirring inclined plates are used to stir the waste liquid subsequently entering the inside of the chip collecting casing. Under the reaction of chemicals, the mixed and stirred liquid causes copper ions to continuously settle, and the overweight copper ions will gradually settle in the inner deep of the chip collecting casing, so that the settled copper ions are agglomerated and collected, and the excess liquid after the chemical reaction will gradually spread and be discharged.

[0012] In one embodiment of the utility model, the number of the stirring inclined plates is provided in multiple groups, and the multiple groups of the stirring inclined plates are evenly distributed on the inner wall surface of the chip collecting housing.

[0013] In one embodiment of the utility model, an upward inclined filter screen is arranged on the outer surface of the waste liquid casing, and a splash-proof ring is fixedly connected to the inner wall surface of the waste liquid casing and located at the top edge.

[0014] In one embodiment of the present invention, one end of the chemical agent tube extends into the top inner wall surface of the chip collection housing, and the outer surface of the chemical agent tube is movably sleeved on the outer surface of the waste liquid housing.

[0015] In one embodiment of the utility model, a vertical plate is fixedly connected to the inner wall surface of the bottom of the waste liquid filter box and located at one side edge position, and a closed top cover is detachably installed on the top surface of the waste liquid filter box.

[0016] In one embodiment of the utility model, a limiting sleeve is evenly distributed and fixedly connected to the inner wall surface of the bottom of the waste liquid filter box, and a filtering fine mesh plate is movably sleeved on the inner wall surface of the limiting sleeve.

[0017] In one embodiment of the present invention, a water pump is fixedly connected to the other side surface of the waste liquid filter box and located at the bottom edge.

[0018] In one embodiment of the present invention, a snap-on cover is swingably connected to the top surface of the limiting sleeve and located at one side edge.

[0019] The above technical solution of the utility model has the following advantages compared with the prior art:

[0020] The utility model discloses a circuit board DES line etching processing waste liquid recovery device. When the waste liquid shell is centrifugally rotated, the low-density waste liquid inside the waste liquid shell will gradually penetrate outward, so that the waste liquid gradually enters the interior of the chip collecting shell, and then is preliminarily mixed with the chemical agent inside the chip collecting shell. As the waste liquid and the chemical agent are continuously filled and overflowed, when the mixed liquid spreads over the highest point on the top of the chip collecting shell, it will spread to the outer bottom of the chip collecting shell. The curvature on the bottom surface of the chip collecting shell is used to drain and slide the liquid. The waste liquid falling on the surface of the chip collecting shell is guided to flow through the polymer drainage shell, so that the mixed waste liquid enters the interior of the chip collecting shells at different positions, and is continuously filled and mixed in the interiors of different chip collecting shells, so that the waste liquid and the chemical agent can fully carry out the effect of chemical reaction.

[0021] The utility model discloses a circuit board DES line etching processing waste liquid recovery device, which is set up to stir the waste liquid subsequently entering the chip collecting shell through a stirring inclined plate, and the mixed and stirred liquid causes copper ions to continuously settle under the reaction of chemical agents, and the overweight copper ions will gradually settle deep inside the chip collecting shell, so that the settled copper ions are agglomerated and collected, and the excess liquid after the chemical reaction will gradually spread and be discharged, and the liquid drained by the polymer drainage shell will impact the waste liquid previously filled with the inside of the chip collecting shell, and the subsequent flowing liquid will impact into the liquid filled with the wall surface for mixing under the impact of the liquid, and the liquid flow is used to make the liquids with different densities and layers have a certain degree of impact, and multiple liquid impacts can achieve the effect of fully and evenly mixing the copper waste liquid.

[0022] The utility model discloses a circuit board DES line etching processing waste liquid recovery device, which is arranged to cooperate with a chemical agent pipe to guide the chemical agent into the interior of a top chip collecting shell, and as the agent increases, the internal space of the chip collecting shell is filled up, and copper waste liquid is infused into the interior of the waste liquid shell through the waste liquid guide pipe, and at the same time, the chip collecting shell and the waste liquid shell are rotated by a motor. When the waste liquid shell is rotating, the waste liquid inside will diffuse and spread to the surroundings under the action of centrifugation, and the upper inclined filter screen will be used to filter out the solid impurities inside the waste liquid first, so that the filtered waste liquid enters the interior of the chip collecting shell, and the splash-proof ring is used to block the liquid flowing on the inner wall of the waste liquid shell to prevent the flowing liquid from flowing out along the inner wall of the waste liquid shell, so that the impurities filtered out from the inside of the waste liquid shell will be discharged together with the liquid, and the impurities cannot be concentrated. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to make the content of the utility model more clearly understood, the utility model is further described in detail below based on specific embodiments of the utility model in combination with the accompanying drawings.

[0024] Figure 1 It is a three-dimensional diagram of the utility model;

[0025] Figure 2 It is a schematic diagram of a partially cutaway three-dimensional structure of a waste liquid recovery tank in the utility model;

[0026] Figure 3 It is a schematic diagram of the cutaway three-dimensional structure of the waste liquid recovery tank in the utility model;

[0027] Figure 4 It is a schematic diagram of the cutaway three-dimensional structure of the chip collecting sleeve in the utility model;

[0028] Figure 5It is a schematic diagram of the cutaway three-dimensional structure of the waste liquid casing in the utility model;

[0029] Figure 6 It is a schematic diagram of the cutaway three-dimensional structure of the waste liquid filter box in the utility model;

[0030] Figure 7 It is a schematic diagram of the cutaway three-dimensional structure of the limiting sleeve in the utility model.

[0031] Explanation of the reference numerals in the drawings in the specification: 11. Waste liquid recovery tank; 111. Chemical agent; 112. Waste liquid guide pipe; 113. Polymerization guide shell; 114. Motor; 115. Chip collecting shell; 116. Waste liquid shell; a1. Upper inclined filter screen; a2. Splash-proof ring; 117. Agitation inclined plate; 12. Support frame; 13. Liquid guide pipe; 14. Waste liquid filter box; 141. Vertical plate; 142. Limiting shell; 143. Water pump; 144. Filter fine mesh plate; 145. Closed top cover; 146. Snap-on cover. DETAILED DESCRIPTION

[0032] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments so that those skilled in the art can better understand the present invention and implement it, but the embodiments are not intended to limit the present invention.

[0033] Reference Figure 1 - Figure 6 As shown, a circuit board DES line etching processing waste liquid recovery device of the utility model comprises: a recovery tank 11; a support frame 12 detachably mounted on the outer surface of the waste liquid recovery tank 11; a liquid guide tube 13 fixedly connected to the bottom surface of the waste liquid recovery tank 11 and located at the edge positions on both sides; a waste liquid filter box 14 detachably mounted on one end of the liquid guide tube 13; a motor 114 detachably mounted on the bottom surface of the waste liquid recovery tank 11, and a layered waste liquid mixing unit is arranged on the inner wall surface of the waste liquid recovery tank 11, and the layered waste liquid mixing unit includes a chip collecting unit fixedly connected to the output end of the motor 114. A shell 115 is provided, and the number of chip collecting shells 115 is arranged in multiple groups. A waste liquid shell 116 is fixedly installed on the inner wall of the top chip collecting shell 115, and multiple groups of polymer drainage shells 113 are fixedly installed on the inner wall of the waste liquid recovery tank 11, and one end of the multiple groups of polymer drainage shells 113 respectively extends into the top inner edge position of the chip collecting shell 115, two groups of chemical agent pipes 111 are arranged on the top surface of the waste liquid recovery tank 11, a waste liquid diversion pipe 112 is arranged on the top inner wall of the waste liquid shell 116, and stirring inclined plates 117 are fixedly installed on the inner deep wall of the multiple groups of chip collecting shells 115.

[0034] During operation, the chemical agent pipe 111 is used to guide the chemical agent into the interior of the top chip collecting shell 115. As the agent increases, the internal space of the chip collecting shell 115 is filled up, and then the waste liquid guide pipe 112 is used to infuse copper waste liquid into the interior of the waste liquid shell 116. At the same time, the motor 114 is used to rotate the chip collecting shell 115 and the waste liquid shell 116. When the waste liquid shell 116 rotates centrifugally, the low-density waste liquid inside the waste liquid shell 116 will gradually penetrate outward, so that the waste liquid gradually enters the interior of the chip collecting shell 115, and then has a preliminary mixing effect with the chemical agent inside the chip collecting shell 115. As the waste liquid and the chemical agent are continuously filled and overflowed, when the mixed liquid spreads over the highest point on the top of the chip collecting shell 115, it will flow toward the outer bottom surface of the chip collecting shell 115. The waste liquid is guided to flow down by the curvature on the bottom surface of the chip collecting shell 115, and the waste liquid falling on the surface of the chip collecting shell 115 is guided to flow by the polymer drainage shell 113, so that the mixed waste liquid enters the interior of the chip collecting shell 115 at different positions, and is continuously filled and mixed in the interiors of different chip collecting shells 115, so that the waste liquid and the chemical agent can fully react chemically, and the waste liquid that subsequently enters the interior of the chip collecting shell 115 is stirred by the stirring inclined plate 117. Under the reaction of the chemical agent, the copper ions of the mixed and stirred liquid are continuously precipitated, and the overweight copper ions will gradually settle deep inside the chip collecting shell 115, so that the precipitated copper ions are agglomerated and collected, and the excess liquid after the chemical reaction will gradually spread and be discharged;

[0035] The liquid drained by the polymer drainage shell 113 will impact the waste liquid previously filled inside the chip collecting shell 115. Under the impact of the liquid, the subsequent flowing liquid will impact into the liquid filled on the wall to mix. The flow of the liquid is utilized to make liquids with different densities and layers impact to a certain extent. Multiple liquid impacts can achieve the effect of fully and evenly mixing the copper waste liquid.

[0036] Further, such as Figure 1 - Figure 5 As shown, there are multiple groups of stirring inclined plates 117, and the multiple groups of stirring inclined plates 117 are evenly distributed on the inner wall of the chip collecting shell 115, an upper inclined filter screen a1 is provided on the outer surface of the waste liquid shell 116, and a splash-proof ring a2 is fixedly connected to the inner wall of the waste liquid shell 116 and located at the top edge position, one end of the chemical tube 111 extends into the top inner wall of the chip collecting shell 115, and the outer surface of the chemical tube 111 is movably sleeved on the outer surface of the waste liquid shell 116.

[0037] During operation, when the waste liquid casing 116 is rotating, the waste liquid inside will diffuse and spread around under the action of centrifugation, and cooperate with the upper inclined filter a1 to filter out the solid impurities inside the waste liquid first, so that the filtered waste liquid enters the interior of the chip collecting casing 115, and cooperates with the splash-proof ring a2 to block the liquid flowing on the inner wall of the waste liquid casing 116 to prevent the flowing liquid from flowing out along the inner wall of the waste liquid casing 116, so that the impurities filtered out from the inside of the waste liquid casing 116 will be discharged together with the liquid, and the impurities cannot be concentrated.

[0038] Further, such as Figure 1 - Figure 2 and Figure 5 - Figure 7 As shown, a vertical plate 141 is fixedly connected to the inner wall surface of the bottom of the waste liquid filter box 14 and is located at the edge position of one side, a closed top cover 145 is detachably installed on the top surface of the waste liquid filter box 14, a limiting sleeve 142 is evenly distributed and fixedly connected to the inner wall surface of the bottom of the waste liquid filter box 14, a filtering fine mesh plate 144 is movably sleeved on the inner wall surface of the limiting sleeve 142, a water pump 143 is fixedly connected to the other side surface of the waste liquid filter box 14 and is located at the bottom edge position, and a snap-on cover 146 is swingably connected to the top surface of the limiting sleeve 142 and is located at the edge position of one side.

[0039] During operation, the filtered waste liquid spreads and accumulates in the space between the waste liquid filter box 14 and the vertical plate 141. The gap between the waste liquid filter box 14 and the vertical plate 141 is used to reduce the flow rate of the infused liquid, and the fine filtering mesh plate 144 on the inner wall of the limiting shell 142 is used to perform secondary filtration on the flowing waste liquid, and the remaining solid impurities in the waste liquid are filtered. At the same time, some copper atomic impurities driven by the water source are filtered out. Later, the snap-on cover 146 is opened to take out the fine filtering mesh plate 144 inside the limiting shell 142, and the fine filtering mesh plate 144 is replaced.

[0040] Working principle: cooperate with the chemical agent pipe 111 to guide the chemical agent into the interior of the top chip collecting shell 115. As the agent increases, the internal space of the chip collecting shell 115 will be filled up, and then copper waste liquid will be infused into the interior of the waste liquid shell 116 through the waste liquid guide pipe 112. At the same time, cooperate with the motor 114 to rotate the chip collecting shell 115 and the waste liquid shell 116. When the waste liquid shell 116 is rotating, the waste liquid inside will spread to the surroundings under the action of centrifugation, cooperate with the upper inclined filter a1 to filter the solid impurities inside the waste liquid first, so that the filtered waste liquid enters the interior of the chip collecting shell 115, cooperate with the splash-proof ring a2 to block the liquid flowing on the inner wall of the waste liquid shell 116 to prevent the flowing liquid from flowing out along the inner wall of the waste liquid shell 116, so that the impurities filtered out from the inside of the waste liquid shell 116 will be discharged together with the liquid.

[0041] When the waste liquid casing 116 is centrifugally rotated, the low-density waste liquid inside the waste liquid casing 116 will gradually penetrate outward, so that the waste liquid gradually enters the interior of the chip collecting casing 115, and then is preliminarily mixed with the chemical agents inside the chip collecting casing 115. As the waste liquid and the chemical agents are continuously filled and overflowed, when the mixed liquid spreads over the highest point on the top of the chip collecting casing 115, it will spread to the outer bottom of the chip collecting casing 115, and the curvature on the bottom surface of the chip collecting casing 115 is used to drain and slide the liquid, and then the waste liquid falling on the surface of the chip collecting casing 115 is guided to flow through the polymer drainage shell 113, so that the mixed waste liquid enters the interior of the chip collecting casing 115 at different positions, and at different positions of the chip collecting casing 115 The interior is continuously filled and mixed, and the waste liquid that subsequently enters the chip collecting shell 115 is stirred by the stirring inclined plate 117. The mixed and stirred liquid causes the copper ions to continuously settle under the reaction of the chemical agents, and the overweight copper ions will gradually settle deep inside the chip collecting shell 115, and the excess liquid after the chemical reaction will gradually spread and be discharged. The liquid drained by the polymer drainage shell 113 will impact the waste liquid previously filled with the inside of the chip collecting shell 115. Under the impact of the liquid, the subsequent flowing liquid will impact into the liquid filled with the wall for mixing. The flow of the liquid is used to make the liquids with different densities and layers have a certain degree of impact, and multiple liquid impacts make the copper waste liquid fully and evenly mixed.

[0042] Obviously, the above embodiments are merely examples for the purpose of clear explanation and are not intended to limit the implementation methods. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived from these are still within the scope of protection of the invention of the utility model.

Claims

1. A circuit board DES line etching processing waste liquid recovery device, comprising: Waste liquid recovery tank (11); A support frame (12) detachably mounted on the outer surface of the waste liquid recovery tank (11); A liquid guide tube (13) fixedly connected to the bottom surface of the waste liquid recovery tank (11) and located at the edge positions on both sides; A waste liquid filter box (14) detachably mounted on one end of the liquid guide tube (13); The invention is characterized in that: a motor (114) is detachably mounted on the bottom surface of the waste liquid recovery tank (11); a stratified waste liquid mixing unit is arranged on the inner wall surface of the waste liquid recovery tank (11); the stratified waste liquid mixing unit comprises a chip collecting shell (115) fixedly connected to the output end of the motor (114); and the chip collecting shell (115) is arranged in a plurality of groups; a waste liquid shell (116) is fixedly mounted on the inner wall surface of the top chip collecting shell (115); and the waste liquid recovery tank (116) is provided with a plurality of groups of chips. A plurality of groups of polymer drainage shells (113) are fixedly installed on the inner wall surface of the waste liquid recovery tank (11), one end of each of the plurality of groups of polymer drainage shells (113) respectively extends into the inner edge position of the top of the chip collecting shell (115), two groups of chemical agent pipes (111) are arranged on the top surface of the waste liquid recovery tank (11), a waste liquid guide pipe (112) is arranged on the inner wall surface of the top of the waste liquid shell (116), and a stirring inclined plate (117) is fixedly installed on the inner deep wall surface of the plurality of groups of the chip collecting shell (115).

2. A circuit board DES line etching processing waste liquid recovery device according to claim 1, characterized in that: The stirring inclined plates (117) are provided in a plurality of groups, and the plurality of groups of stirring inclined plates (117) are evenly distributed on the inner wall surface of the chip collecting housing (115).

3. A circuit board DES line etching processing waste liquid recovery device according to claim 1, characterized in that: An upward inclined filter screen (a1) is arranged on the outer surface of the waste liquid casing (116), and a splash-proof ring (a2) is fixedly connected to the inner wall surface of the waste liquid casing (116) and located at the top edge.

4. A circuit board DES line etching processing waste liquid recovery device according to claim 1, characterized in that: One end of the chemical agent tube (111) extends into the top inner wall surface of the chip collecting casing (115), and the outer surface of the chemical agent tube (111) is movably sleeved on the outer surface of the waste liquid casing (116).

5. A circuit board DES line etching processing waste liquid recovery device according to claim 1, characterized in that: A vertical plate (141) is fixedly connected to the inner wall surface of the bottom of the waste liquid filter box (14) and located at one side edge position, and a closed top cover (145) is detachably mounted on the top surface of the waste liquid filter box (14).

6. A circuit board DES line etching processing waste liquid recovery device according to claim 1, characterized in that: A limiting sleeve (142) is evenly distributed and fixedly connected on the inner wall surface of the bottom of the waste liquid filter box (14), and a filtering fine mesh plate (144) is movably sleeved on the inner wall surface of the limiting sleeve (142).

7. A circuit board DES line etching processing waste liquid recovery device according to claim 1, characterized in that: A water pump (143) is fixedly connected to the other side surface of the waste liquid filter box (14) and located at the bottom edge.

8. A circuit board DES line etching processing waste liquid recovery device according to claim 6, characterized in that: A snap-on cover (146) is swingably connected to the top surface of the limiting sleeve (142) and located at a side edge position.