CN212770970U

CN212770970U - Etching waste liquid treatment equipment

Info

Publication number: CN212770970U
Application number: CN202021742355.5U
Authority: CN
Inventors: 王天武; 樊绿松; 陆庆华; 朱月明
Original assignee: Jinrunyuan Environment Technology Kunshan Co ltd
Current assignee: Jinrunyuan Environment Technology Kunshan Co ltd
Priority date: 2020-08-19
Filing date: 2020-08-19
Publication date: 2021-03-23
Anticipated expiration: 2030-08-19

Abstract

The utility model relates to an etching waste liquid treatment equipment, including top open-ended electrolytic tank, the both sides limit fixedly connected with boss of electrolytic tank port is followed to the periphery wall of its length direction, the electrically conductive lug of fixed surface of boss is connected with the electrically conductive lug of a plurality of, electrically conductive lug links to each other with the power, electrically conductive lug is in the both sides limit symmetric distribution of boss, set up electrically conductive branch between two electrically conductive lugs of symmetry, branch below fixedly connected with electrolysis diaphragm, branch below fixedly connected with is used for adhering to the metal screen panel of electrolysis product, the metal screen panel cover is established outside the electrolysis diaphragm. The electrolytic membrane has the advantages that the electrolytic product can not be attached to the electrolytic membrane, so that the structure and the coating of the electrolytic membrane are protected, and the effect of electrolytic treatment of sewage is ensured.

Description

Etching waste liquid treatment equipment

Technical Field

The application relates to the field of industrial wastewater treatment, in particular to etching waste liquid treatment equipment.

Background

In recent years, the electronic industry in China is rapidly developed, and the printed circuit board industry is used as a basic link of the electronic industry and keeps a higher growth rate in recent years. When manufacturing printed circuit boards, a large amount of copper is consumed, and a large amount of copper-containing etching waste liquid is also generated. The direct discharge of the copper-containing waste liquid can cause serious environmental pollution, and the excessive copper can cause enzyme poisoning in human bodies through the transfer of plants and water into the human bodies, thereby causing the loss of physiological functions of the human bodies. Therefore, the copper-containing etching waste liquid in the printed circuit board industry needs to be cleaned timely and effectively.

The common etching waste liquid treatment method effectively treats the copper-containing etching waste liquid in the printed circuit board industry through the process steps of acid-base neutralization, washing impurity removal and electrolysis, the treated waste liquid can be directly discharged, and high-purity metal copper is obtained. Referring to fig. 5, the etching waste liquid treatment apparatus commonly used in the production at present comprises an electrolytic tank body, wherein a boss is fixedly connected to the peripheral wall of a port of the electrolytic tank body along the length direction of the electrolytic tank body, a conductive bump is fixedly connected to the boss, a support rod is erected on the conductive bump, and an electrolytic membrane is fixedly connected to the lower part of the support rod. The power supply is started after the etching waste liquid enters the electrolytic tank body, the electrolytic membrane is communicated with the power supply through the conductive lug, the waste liquid is electrified for electrolysis, the metal copper is intensively attached to the electrolytic membrane serving as the anode plate after the waste liquid undergoes an electrolytic reaction, and other products are deposited in the tank body. During recovery, the electrolytic membrane is taken down by workers, and the metal copper is extracted by scraping the surface of the electrolytic membrane.

In view of the above-mentioned related technologies, the inventor believes that there is a defect that due to the need of densely discharging the electrolytic membranes in the electrolytic cell to achieve a higher electrolytic efficiency, when the worker scrapes the product, the membrane coating and structure are easily damaged, which affects the subsequent electrolytic effect.

SUMMERY OF THE UTILITY MODEL

In order to make the electrolysis product can't be attached to on the electrolytic membrane piece to the structure and the coating of protection electrolytic membrane piece guarantee the effect of electrolytic treatment sewage, this application provides an etching waste liquid treatment facility.

The application provides a waste etching solution treatment facility adopts following technical scheme:

the utility model provides an etching waste liquid treatment equipment, includes top open-ended electrolytic tank, the both sides limit fixedly connected with boss of its length direction is followed to the periphery wall of electrolytic tank port, the electrically conductive lug of fixed surface of boss is connected with a plurality of, electrically conductive lug links to each other with the power, electrically conductive lug is in the limit symmetric distribution on the both sides of boss, two of symmetry erect electrically conductive branch between the electrically conductive lug, branch below fixedly connected with electrolysis diaphragm, branch below fixedly connected with is used for adhering to the metal screen panel of electrolysis product, the metal screen panel covers and establishes outside the electrolysis diaphragm.

Through adopting above-mentioned technical scheme, electrolysis products such as metal copper that produce among the etching waste liquid electrolysis process can be attached to the cover and locate the metal mesh cover outside the electrolysis diaphragm, only need clear up the metal mesh cover and can acquire the electrolysis product when drawing the product, need not to scrape on the electrolysis diaphragm and get, and the coating and the structure of having avoided the electrolysis diaphragm receive destruction, influence the electrolysis effect, have guaranteed the treatment effect of waste liquid.

Preferably, the struts are square in cross-section.

By adopting the technical scheme, the contact surface of the support rod and the conductive bump is a plane, so that the support rod is fully contacted with the conductive bump, the stability of current conduction between the support rod and the conductive bump is enhanced, and the stability of the support rod placed on the conductive bump is improved.

Preferably, the cover opening of the metal net cover is fixedly connected with an annular support hoop, and the metal net cover is fixedly connected to the support rod through the support hoop.

Through adopting above-mentioned technical scheme, the surface of metal mesh enclosure is propped up by the support hoop and is expanded to the biggest for the area of contact grow of metal mesh enclosure and electrolyte has increased the adnexed possibility of electrolysis product, supports the enhancement of hoop simultaneously and has been connected metal mesh enclosure and strut, has strengthened the stability of structure.

Preferably, the support hoop is detachably connected with the support rod.

By adopting the technical scheme, after the electrolytic treatment is completed, the metal net cover can be detached from the support rod for independent treatment and cleaning, so that the extraction of an electrolytic product is facilitated, an electrolytic membrane is further protected, and the effect of treating the etching waste liquid is ensured.

Preferably, the electrolytic membranes are arranged in the electrolytic tank body in a staggered manner and perpendicular to the length direction of the electrolytic tank body.

By adopting the technical scheme, the staggered electrolytic membranes play a role in transversely baffling the waste liquid flowing through the electrolytic tank body, the path and time of the waste liquid flowing through the electrolytic tank body are prolonged, the waste liquid can be in contact with each electrolytic membrane component to generate electrolytic reaction, the effect of waste liquid treatment is improved,

preferably, the port of the electrolytic tank body is externally provided with a U-shaped support, the support is erected on the electrolytic tank body through four convex edges fixedly connected to the peripheral wall of the boss, and the four convex edges are respectively and fixedly connected to two ends of the side edge, perpendicular to the boss and the support rod.

Through adopting above-mentioned technical scheme, the support of U type is erect outside the electrolytic tank body through the bead, and connected mode is comparatively simple, makes things convenient for the technical staff to use, and the bead distributes on four angles of electrolytic tank body, has strengthened the support and has placed ground stability.

Preferably, the bracket is provided with a plurality of grooves for clamping the matching supporting rods.

By adopting the technical scheme, the support rod is clamped on the bracket through the groove and is fixed in the long side direction of the electrolytic tank body, so that the support rod is prevented from sliding and being incapable of aligning and connecting the conductive bump, the stability of the support rod is enhanced, and the efficiency of electrolytic treatment of the etching waste liquid is ensured; because the groove is adopted instead of the locking structure, a worker can conveniently take out a certain electrolytic membrane without taking out the electrolytic membrane completely according to the requirement, and the use flexibility is improved.

Preferably, the bracket is fixedly connected with a clamping groove used for being clamped with the rib.

Through adopting above-mentioned technical scheme, the draw-in groove of support below makes the support obtain fixedly when erectting, prevents that the support from rocking and driving branch, influences the position of electrolysis diaphragm, has strengthened the stability of equipment, has guaranteed waste liquid treatment's effect.

Preferably, one end of each of the two side edges of the support far from the bottom edge is fixedly connected with a handle, and the handle is made of an insulating material.

Through adopting above-mentioned technical scheme, the staff grasps the handle and can once only take out all electrolysis diaphragms, has replaced and has directly drawed single electrolysis diaphragm, has improved the convenience, need not direct contact electrolysis diaphragm simultaneously, has reduced the staff and has taken place to electrocute or be infected with the possibility of etching waste liquid, has protected the staff, has increased the security of equipment use.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the metal net cover covers the electrolytic membrane, so that electrolytic products are attached to the metal net cover, the electrolytic products are prevented from being attached to the electrolytic membrane, workers do not need to scrape and clean the electronic membrane, the coating and the structure of the electrolytic membrane are protected, the using effect of the electrolytic membrane is ensured, and the effect of wastewater treatment is ensured;

2. the support erected outside the electrolytic tank body enables workers to take out all the electrolytic membranes for cleaning and treatment at one time, and the efficiency of waste liquid treatment is improved;

3. the detachable construction improves the flexibility of use of the device and the convenience of operation.

Drawings

FIG. 1 is a schematic view of a system configuration of an electrolytic tank of an etching waste liquid treatment apparatus according to the present application;

FIG. 2 is a bottom view of the electrolytic tank of the present application;

FIG. 3 is an exploded view of the internal structure of the electrolytic tank of the present application;

figure 4 is a partial cross-sectional view of the strut of the present application at the junction with a support hoop.

Fig. 5 is a schematic structural view of the related art of the present application.

Description of reference numerals: 1. an electrolytic tank body; 2. a conductive bump; 3. a strut; 31. a housing hole; 32. clamping edges; 4. an electrolytic membrane; 5. a metal mesh enclosure; 51. a support hoop; 52. a clamping block; 6. a support; 7. a rib; 8. a groove; 9. a card slot; 10. a grip; 11. and (4) a boss.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses etching waste liquid treatment equipment. Referring to fig. 1, an etching waste liquid treatment equipment includes electrolytic tank 1, the top opening of electrolytic tank 1, fixedly connected with boss 11 is gone up along its length direction's both sides limit to the periphery wall of electrolytic tank 1 port, the electrically conductive lug 2 that fixedly connected with a plurality of and power are connected on the boss 11, electrically conductive lug 2 is along long limit evenly symmetrical distribution on boss 11, two electrically conductive lugs 2 of symmetry are put on the shelf and are equipped with

branch

3, 3 below fixedly connected with electrolysis diaphragms 4 of branch, 3 below still fixedly connected with metal screen panel 5 of branch, metal screen panel 5 covers and establishes outside electrolysis diaphragm 4. The metal mesh enclosure 5 covering the electrolytic membrane 4 makes the electrolytic membrane 4 attached to the metal mesh enclosure 5 instead of directly attached to the electrolytic membrane 4 when the electrolytic membrane is electrified to electrolyze the etching waste liquid, so that the cleanness of the surface of the electrolytic membrane 4 is kept, the condition that workers need to scrape and clean the surface of the electrolytic membrane 4 after use is avoided, the structure of the electrolytic membrane 4 and the coating on the surface are protected, the effect of electrolytic treatment of waste water is ensured, and meanwhile, the service life of the electrolytic membrane 4 is prolonged.

Referring to fig. 1, four ribs 7 are fixedly connected to the outer peripheral wall of a boss 11, the ribs 7 are distributed on four corners of the boss 11, a U-shaped support 6 is arranged on each rib 7, a groove 8 is formed in each support 6, the width of each groove 8 is the same as that of each support rod 3, each support rod 3 is connected to each support 6 through the corresponding groove 8 in a clamped mode, a handle 10 is fixedly connected to one end, far away from the bottom side, of each side edge of each support 6, and each handle 10 is made of insulating rubber. Support 6 erects on electrolysis box 1 through bead 7, and branch 3 passes through recess 8 joint on support 6 on, and holistic structure all adopts comparatively convenient connection of dismantling for the staff need not to carry out complicated fixed at every turn when the installation is used, has practiced thrift staff's operating procedure, has improved the convenience in installation and the use. The integrated U-shaped support 6 enables a worker to take out all the electrolytic membranes 4 at one time after use, and the worker does not need to take out one electrolytic membrane after use, so that the working efficiency of the worker is improved. The insulated rubber grip 10 avoids the risk of direct contact of the worker with the etching waste water and also improves the comfort of use.

Referring to fig. 1, the strut 3 has a square cross-section. The square support rod 3 makes the contact surface of the support rod 3 and the conductive bump 2 be a plane, so that the stability of current conduction between the conductive bump 2 and the support rod 3 and the stability of the placement of the support rod 3 on the conductive bump 2 are enhanced.

Referring to fig. 1, the electrolytic membranes 4 are arranged in the electrolytic tank 1 in a staggered manner, so as to perform a transverse baffling function on the flow of the waste liquid in the electrolytic tank 1, prolong the flow time and path of the waste liquid in the electrolytic tank 1, fully perform an electrolytic reaction on the waste liquid, and improve the treatment effect of the waste liquid.

Referring to fig. 2, a clamping groove 9 is arranged below the support 6, and the clamping groove 9 is matched with the convex rib 7 on the boss 11 to limit the support 6. Carry on spacingly to support 6 is whole through draw-in groove 9, prevented that support 6 from driving electrolysis diaphragm 4 and sliding, cause equipment trouble, strengthened waste liquid treatment equipment's stability.

Referring to fig. 3 and 4, a port of the metal mesh enclosure 5 is fixedly connected with a supporting hoop 51, the metal mesh enclosure 5 is fixedly connected to the metal mesh enclosure 5 through the supporting hoop 51, an upper fixedly connected with fixture block 52 of the supporting hoop 51 is provided, the top of the fixture block 52 protrudes outwards along the diameter direction, the supporting rod 3 is provided with a containing hole 31, an inner peripheral wall of the containing hole 31 is fixedly connected with an annular clamping edge 32, and the fixture block 52 is fixed in the containing hole 31 through the clamping of the clamping edge 32, so that the metal mesh enclosure 5 is detachable on the supporting rod 3. The detachable connection of the metal mesh enclosure 5 enables workers to detach the metal mesh enclosure 5 after use is completed every time, and the metal mesh enclosure 5 is cleaned independently after being separated from the electrolytic membrane 4. The electrolytic membrane 4 is prevented from being damaged when the metal mesh enclosure 5 is cleaned, and the effect of treating wastewater is improved. Through the clamping cooperation of the clamping block 52 and the clamping edge 32 in the accommodating hole 31 on the support rod 3, the metal mesh enclosure 5 can be detachably connected to the support rod 3 through a simple structure, so that the metal mesh enclosure 5 can be disassembled and assembled by workers at every time conveniently and quickly, and the convenience in operation of the workers is improved.

The implementation principle of etching waste liquid treatment equipment of the embodiment of the application is as follows: when the etching waste liquid in the electrolytic tank body 1 is treated, a power supply is started, the conductive lug 2 is electrified, the support rod 3 conducts current to the electrolytic diaphragm 4, the electrolytic diaphragm 4 electrolyzes the etching waste liquid in the electrolytic tank body 1, part of metal mud of an electrolysis product generated in the waste liquid after electrolysis is deposited at the bottom of an electrolytic cell, metal copper is gathered near the electrolytic diaphragm 4 serving as an anode, and the metal copper can be attached to the metal mesh enclosure 5 due to the existence of the metal mesh enclosure 5.

After the electrolysis is completed, the power supply is turned off, the handle 10 is held by a worker to lift the U-shaped support 6, the support 6 drives all the support rods 3 and the electrolytic membrane 4 to be separated from the waste liquid, the support rods 3 are taken out from the grooves 8 on the support 6 after the support rods are taken out, acting force separated from the support rods 3 is applied to the support hoops 51 on the metal net cover 5, the fixture blocks 52 are separated from the accommodating holes 31, the worker cleans and scrapes the metal net cover 5 to extract pure metal products in the electrolytic products after the metal net cover 5 is separated from the electrolytic membrane 4, the electrolytic membrane 4 is cleaned, the coating and the structure of the electrolytic membrane 4 cannot be damaged, the effect of the electrolytic membrane 4 on waste liquid treatment is improved, and the service life of the electrolytic membrane 4 is prolonged.

After the treatment, the electrolytic membrane 4 is sleeved in the metal mesh enclosure 5, the fixture block 52 on the support hoop 51 is aligned with the containing hole 31 on the support rod 3, the fixture block 52 is clamped in the clamping ridge 32 by applying an acting force, the metal mesh enclosure 5 is fixed on the electrolytic membrane 4, the support rod 3 is clamped in the groove 8 on the support 6, the handle 10 is held, the clamping groove 9 on the support 6 is aligned with the convex ridge 7 on the electrolytic box body 1, the support 6 is fixedly installed, at the moment, the support rod 3 is placed on the conductive bump 2, and as the cross section of the support rod 3 is square, the contact surface of the support rod 3 and the conductive bump 2 is a plane, so that the support rod 3 is fully contacted with the conductive bump 2, and good conductive effect and placement stability are maintained.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides an etching waste liquid treatment equipment, includes top open-ended electrolytic tank (1), the periphery wall of electrolytic tank (1) port is along its length direction's both sides limit fixedly connected with boss (11), the fixed surface of boss (11) is connected with electrically conductive lug (2) of a plurality of, electrically conductive lug (2) link to each other with the power, electrically conductive lug (2) are at the both sides limit symmetric distribution of boss (11), two of symmetry erect electrically conductive branch (3) between electrically conductive lug (2), branch (3) below fixedly connected with electrolysis diaphragm (4), its characterized in that: a metal net cover (5) used for attaching electrolysis products is fixedly connected below the supporting rod (3), and the metal net cover (5) is covered outside the electrolysis membrane (4).

2. The etching waste liquid treatment apparatus according to claim 1, characterized in that: the cross section of the supporting rod (3) is square.

3. The etching waste liquid treatment apparatus according to claim 1, characterized in that: the opening of the metal mesh enclosure (5) is fixedly connected with an annular supporting hoop (51), and the metal mesh enclosure (5) is fixedly connected to the support rod (3) through the supporting hoop (51).

4. The etching waste liquid treatment apparatus according to claim 3, characterized in that: the support hoop (51) is detachably connected with the support rod (3).

5. The etching waste liquid treatment apparatus according to claim 1, characterized in that: the electrolytic membranes (4) are arranged in the electrolytic tank body (1) in a staggered manner and are perpendicular to the length direction of the electrolytic tank body (1).

6. The etching waste liquid treatment apparatus according to claim 1, characterized in that: the port of electrolysis box (1) is equipped with support (6) that are the U type outward, erect on electrolysis box (1) support (6) through bead (7) of four fixed connection on boss (11) periphery wall bead (7), four bead (7) fixed connection respectively is at the both ends of boss (11) and branch (3) vertically side.

7. The etching waste liquid treatment apparatus according to claim 6, characterized in that: the support (6) is provided with a plurality of grooves (8) which are used for being matched with the support rods (3) in a clamping manner.

8. The etching waste liquid treatment apparatus according to claim 7, characterized in that: and the bracket (6) is fixedly connected with a clamping groove (9) which is used for being clamped with the convex rib (7).

9. The etching waste liquid treatment apparatus according to claim 8, characterized in that: and one end of each of the two side edges of the support (6), which is far away from the bottom edge, is fixedly connected with a handle (10), and the handle (10) is made of an insulating material.