CN214735020U

CN214735020U - Metal etching processing waste liquid recovery device

Info

Publication number: CN214735020U
Application number: CN202120688284.3U
Authority: CN
Inventors: 陈森; 周爱东
Original assignee: Jiangsu Baiyuanhong Metal Technology Co ltd
Current assignee: Jiangsu Baiyuanhong Metal Technology Co ltd
Priority date: 2021-04-06
Filing date: 2021-04-06
Publication date: 2021-11-16
Anticipated expiration: 2031-04-06

Abstract

The utility model discloses a metal etching processing waste liquid recovery device, wherein a first filter layer and a second filter layer are sequentially arranged below a stirring shaft in a device body, one side of the device body is connected with a second recovery box through a liquid guide hose, and the liquid guide hose is communicated between the second filter layer and the bottom in the device body; the other side of the device body is connected with one side of the treatment box through a liquid guide pipeline, the liquid guide pipeline is communicated between the first filter layer and the second filter layer, and the other side of the treatment box is connected with the first recovery box. When the waste liquid generated by etching different metals is recovered, the waste liquid can be respectively treated by the treatment box and the recovery box at the two sides of the device, so that the device is not only convenient for people to use, but also beneficial to reutilization and discharge of the waste liquid generated by etching the metals; the multilayer filtration can avoid reducing separation efficiency due to the blockage of the liquid passing pipe structure, and the treatment efficiency of the metal etching waste liquid is improved.

Description

Metal etching processing waste liquid recovery device

Technical Field

The utility model relates to a metal etching processing, especially a device that retrieves is carried out to waste liquid that metal etching processing produced belongs to metal etching technical field.

Background

The metal etching is also called photochemical metal etching (photochemical etching), and refers to removing a protective film of a metal etching area after exposure plate making and development, and contacting a chemical solution during metal etching to play a role in dissolving and corroding, so as to form an effect of concave-convex or hollow-out molding. The process can be used for manufacturing printing concave-convex plates such as coppers, zincs and the like at the earliest time, and also can be widely used for processing weight-reducing instrument panels, nameplates, thin workpieces and the like which are difficult to process by the traditional method; after continuous improvement and development of process equipment, the method can also be used for processing precision metal etching products of electronic thin-sheet parts in aviation, machinery and chemical industries. Especially in semiconductor manufacturing, metal etching is an indispensable technique.

In the metal etching process, a large amount of metal etching solution is required in the chemical etching process, and waste etching solution liquid is also generated in the process, and the waste etching solution liquid contains a large amount of harmful substances, so that the waste etching solution liquid needs to be recycled. However, the types of metals processed by the metal etching solution are different, the waste liquid processing flows to be carried out are also different, and the existing etching solution waste liquid recovery processing equipment has a single function, cannot efficiently and timely process the etching solution waste liquid, and cannot meet the requirements of people. Therefore, there is a need for an improved apparatus for recovering and treating metal etching waste liquid to improve the usability of the apparatus.

Disclosure of Invention

The utility model aims at solving the above problem, providing a metal etching processing waste liquid recovery unit to make things convenient for timely recovery and high efficiency processing of etching waste liquid, improve equipment performance.

The technical solution of the utility model is that: metal etching processes waste liquid recovery unit, including the device body, its characteristics are: the left side of the top of the device body is provided with a first liquid inlet, the right side of the top of the device body is provided with a second liquid inlet, the inner middle part of the device body is provided with a stirring shaft, the top end of the stirring shaft is connected with a motor through a motor shaft, a plurality of stirring blades are uniformly distributed on the stirring shaft, the inner lower part of the device body is provided with a first filter layer, the first filter layer is arranged below the stirring shaft, a second filter layer is arranged below the first filter layer, one side of the device body is connected with a second recovery box through a liquid guide hose, the liquid guide hose is communicated between the second filter layer and the inner bottom of the device body, the other side of the device body is connected with one side of a treatment box through a liquid guide pipeline, the liquid guide pipeline is communicated between the first filter layer and the second filter layer, and the other side of the treatment box is connected with the first recovery box, the bottom of the device body is provided with a material pumping pipe.

Further, the above metal etching waste liquid recovery apparatus, wherein: the first filter layer is formed by a plurality of layers of filter screens, and the filter screens are detachably and fixedly connected with the inner wall through bolts; the second filter layer is composed of a filter plate, and a plurality of filter holes are distributed in the filter plate.

Further, the above metal etching waste liquid recovery apparatus, wherein: the distance between the first filter layer and the second filter layer is smaller than the distance between the second filter layer and the inner bottom of the device body.

Further, the above metal etching waste liquid recovery apparatus, wherein: the interior bottom of handling the case is equipped with the electrolytic bath, electrolytic bath one side runs through and handles case lateral wall and plus power electric connection.

Further, the above metal etching waste liquid recovery apparatus, wherein: one side at second recovery case top is equipped with the feeding mouth, the top of feeding mouth is equipped with the material flap.

Still further, the above metal etching waste liquid recovery apparatus, wherein: and supporting seats are respectively arranged at two ends of the bottom of the device body.

Thus, by adopting the technical scheme of the utility model, through leading in the waste liquid that the metal etching produced from the liquid inlet into the device, when the waste liquid type is stainless steel etching waste liquid, start the (mixing) shaft at the motor and drive the stirring vane to stir the waste liquid, under the stirring effect, after the waste liquid filters impurity through first filter layer and second filter layer twice in proper order, the gained waste liquid is led in through the liquid guide hose and is recovered in the second collection box, need add neutralizer and waste liquid through the charging hole before the waste liquid in the second collection box discharges; when the waste liquid kind is copper stainless steel etching waste liquid, start the (mixing) shaft at the motor and drive stirring vane and stir the waste liquid, under the stirring effect, the waste liquid filters the back through first filter layer in proper order, and utilize the electrolytic cell to carry out the electrolytic recovery copper in leading-in treatment box of gained waste liquid through leading the liquid pipeline to it can to retrieve through first collection box with the waste liquid after the electrolytic treatment.

Compared with the prior art, the utility model can recycle the waste liquid generated after etching different metals, thereby facilitating the use of people; moreover, the scheme is not only favorable for recycling and discharging the metal etching waste liquid, but also can avoid the phenomenon of reducing the separation efficiency due to the blockage of the liquid passing pipe structure by arranging the multi-layer filtering, and improves the treatment efficiency of the metal etching waste liquid.

Drawings

FIG. 1 is a schematic view of the overall structure of the device of the present invention;

FIG. 2 is a schematic view of the structure of the treatment box of the present invention;

fig. 3 is a schematic structural view of a second recycling bin of the present invention.

The meaning of the reference symbols in the figures is: 1-device body, 2-first liquid inlet, 3-second liquid inlet, 4-motor, 5-stirring shaft, 6-stirring blade, 7-first filter layer, 8-second filter layer, 9-treatment box, 91-electrolytic cell, 10-first recovery box, 11-second recovery box, 111-feeding port, 12-pumping pipe, 13a, 13 b-supporting seat.

Detailed Description

The technical solution of the present invention is further explained below with reference to the accompanying drawings, so that it is easier to understand and grasp. The parts such as the liquid guiding hose, the liquid guiding pipeline, the external power supply, the material port cover and the like are commonly known by ordinary people in the field, and no special requirement is required for the device.

As shown in fig. 1, a metal etching processing waste liquid recovery device, including device body 1, wherein the left side at device body 1 top is equipped with first inlet 2, the right side at device body 1 top is equipped with second inlet 3, the interior middle part of device body 1 is equipped with (mixing) shaft 5, the top of (mixing) shaft 5 is connected with motor 4 through the motor shaft, evenly distributed has a plurality of stirring vane 6 on the (mixing) shaft 5, the interior lower part of device body 1 is equipped with first filter layer 7, and first filter layer 7 arranges the below of (mixing) shaft 5 in, the below of first filter layer 7 is equipped with second filter layer 8, install supporting

seat

13a and 13b respectively at the both ends of device body 1 bottom, can balanced support device body 1.

According to the technical scheme of the utility model, one side of the device body 1 is connected with the second recovery box 11 through the liquid guiding hose, and the liquid guiding hose is communicated between the second filter layer 8 and the bottom in the device body 1, after the impurity filtration of the stainless steel metal etching waste liquid (because the stainless steel and the etching liquid almost do not have the displacement reaction, so the waste liquid contains more impurities) is completed through the first filter layer 7 and the second filter layer 8, the second recovery box 11 is recovered through the liquid guiding hose during the introduction, the other side of the device body 1 is connected with one side of the processing box 9 through the liquid guiding pipeline, and the liquid guiding pipeline is communicated between the first filter layer 7 and the second filter layer 8, the other side of the processing box 9 is connected with the first recovery box 10, when the metal etching waste liquid such as copper (because the metal such as copper and the etching liquid have the displacement reaction, so the waste liquid not only needs the impurity filtration, still need retrieve copper etc.) through accomplishing impurity filtering after, start the valve and lead to the leading-in processing case 9 of liquid guide pipe and carry out electrolysis and retrieve copper etc. and the liquid after accomplishing the electrolysis is retrieved through first collection box 10 under the effect of pump can, the bottom of device body 1 is equipped with pumping pipe 12, can handle the recovery with device body 1 bottom deposit through pumping pipe 12.

Preferably, among the above structures: the first filter layer 7 is formed by a plurality of layers of filter screens, and the filter screens are detachably and fixedly connected with the inner wall through bolts so as to be convenient to disassemble and assemble; the second filter layer 8 is formed by a filter plate, and a plurality of filter holes are distributed on the filter plate; the distance between the first filter layer 7 and the second filter layer 8 is smaller than the distance between the second filter layer 8 and the inner bottom of the device body 1, and a deposition part at the bottom of the device body 1 is reserved.

More specifically, as shown in fig. 2, an electrolytic cell 91 (electrolytic cell 91 contains electrolyte solution, negative and positive electrodes) is arranged at the inner bottom of the treatment box 9, and one side of the electrolytic cell 91 penetrates through the side wall of the treatment box 9 and is electrically connected with an external power supply; as shown in fig. 3, a feeding port 111 is disposed on one side of the top of the second recycling bin 11, a port cover is disposed on the top end of the feeding port 111, and a neutralizing agent is added to the processed metal etching waste liquid through the feeding port 111 to enable the ph of the waste liquid to reach the standard and the waste liquid can be discharged.

The utility model discloses among the technical scheme, the processing case 9 that sets up is technical key with 11 two-way recovery structures of second collection box, and what focus showed among FIG. 1, FIG. 2 and FIG. 3 is that the recovery structure who retrieves metal etching waste liquid relates to relevant part, to pump and valve, ordinary technical personnel in the art carry out conventional setting according to prior art can, therefore has left out in the text, and the present case does not have special requirement to aspects such as its model selection and combined use.

Thus, by adopting the technical scheme of the utility model, through in the middle of leading-in device from the inlet with the waste liquid that metal etching technology produced, when the waste liquid kind is stainless steel etching waste liquid, start (mixing) shaft 5 at motor 4 and drive stirring vane 6 and stir the waste liquid, under the stirring effect, after the waste liquid carries out twice filtration impurity through first filter layer 7 and second filter layer 8 in proper order, the gained waste liquid leads in through the drain hose after second collection box 11 retrieves, need add neutralizer and waste liquid through material charging hole 111 before the waste liquid in second collection box 11 discharges; when the waste liquid kind is copper stainless steel etching waste liquid, start (mixing) shaft 5 at motor 4 and drive stirring vane 6 and stir the waste liquid, under the stirring effect, the waste liquid filters the back through first filter layer 7 in proper order, utilizes electrolytic cell 91 to carry out the electrolysis with gained waste liquid in leading-in processing case 9 of drain pipe to retrieve copper to the waste liquid after will the electrolytic treatment can through first collection box 10 recovery.

Through the above description, it can be found that, compared with the prior art, the waste liquid generated after etching different metals can be recovered and processed by adopting the technical scheme of the utility model, thereby being convenient for people to use; moreover, the scheme is not only favorable for recycling and discharging the metal etching waste liquid, but also can avoid the phenomenon of reducing the separation efficiency due to the blockage of the liquid passing pipe structure by arranging the multi-layer filtering, and improves the treatment efficiency of the metal etching waste liquid.

Above to the utility model discloses a technical scheme, working process and implementation effect have carried out detailed description, need to explain, what describe is the typical example of the utility model, in addition, the utility model discloses can also have other multiple concrete implementation modes, the technical scheme that all adopt to equate replacement or equivalent transform to form all falls within the utility model discloses within the scope of claiming.

Claims

1. Metal etching processing waste liquid recovery unit, including device body (1), its characterized in that: the device is characterized in that a first liquid inlet (2) is arranged on the left side of the top of the device body (1), a second liquid inlet (3) is arranged on the right side of the top of the device body (1), a stirring shaft (5) is arranged in the middle of the inside of the device body (1), the top end of the stirring shaft (5) is connected with a motor (4) through a motor shaft, a plurality of stirring blades (6) are uniformly distributed on the stirring shaft (5), a first filtering layer (7) is arranged on the lower portion of the inside of the device body (1), the first filtering layer (7) is arranged below the stirring shaft (5), a second filtering layer (8) is arranged below the first filtering layer (7), one side of the device body (1) is connected with a second recovery box (11) through a liquid guiding hose, the liquid guiding hose is communicated between the second filtering layer (8) and the bottom of the device body (1), the other side of the device body (1) is connected with one side of a processing box (9) through a liquid guiding pipeline, and the liquid guide pipeline is communicated between the first filter layer (7) and the second filter layer (8), the other side of the treatment box (9) is connected with the first recovery box (10), and the bottom end of the device body (1) is provided with a material pumping pipe (12).

2. The metal etching processing waste liquid recovery apparatus according to claim 1, characterized in that: the first filter layer (7) is formed by a plurality of layers of filter screens, and the filter screens are detachably and fixedly connected with the inner wall through bolts; the second filter layer (8) is formed by a filter plate, and a plurality of filter holes are distributed in the filter plate.

3. The metal etching processing waste liquid recovery apparatus according to claim 1 or 2, characterized in that: the distance between the first filter layer (7) and the second filter layer (8) is smaller than the distance between the second filter layer (8) and the inner bottom of the device body (1).

4. The metal etching processing waste liquid recovery apparatus according to claim 1, characterized in that: the interior bottom of handling case (9) is equipped with electrolytic cell (91), electrolytic cell (91) one side is run through and is handled case (9) lateral wall and external power electric connection.

5. The metal etching processing waste liquid recovery apparatus according to claim 1, characterized in that: one side at second collection box (11) top is equipped with filler hole (111), the top of filler hole (111) is equipped with the material flap.

6. The metal etching processing waste liquid recovery apparatus according to claim 1, characterized in that: supporting seats (13 a, 13 b) are respectively installed at two ends of the bottom of the device body (1).