CN212955355U

CN212955355U - Electrolysis device

Info

Publication number: CN212955355U
Application number: CN202021407564.4U
Authority: CN
Inventors: 陈德和
Original assignee: Universal PCB Equipment Co Ltd
Current assignee: Universal PCB Equipment Co Ltd
Priority date: 2020-07-16
Filing date: 2020-07-16
Publication date: 2021-04-13
Anticipated expiration: 2030-07-16

Abstract

The application provides an electrolytic device, including the liquid reserve tank that is arranged in splendid attire hydroxyl ion solution, install the positive pole basket of the positive pole basket and the negative pole stick that stretches into in the hydroxyl ion solution of ion exchange membrane, holding liquid reserve tank on the outer peripheral face of liquid reserve tank. When the electrolysis device is electrified for electrolysis, hexavalent manganese ions in the main tank enter the liquid storage tank through the ion exchange membrane and perform oxidation-reduction reaction with hydroxyl ions, and the hexavalent manganese ions are oxidized into heptavalent manganese ions which are beneficial to etching of the circuit board and are reduced into manganese dioxide precipitate and deposited in the liquid storage tank; the heptavalent manganese ions can pass through the ion exchange membrane and return to the main tank. Therefore, the electrolytic device can oxidize and reduce the hexavalent manganese ions, thereby reducing the dilution of the hexavalent manganese ions to the liquid medicine, being beneficial to the reuse of the liquid medicine, improving the etching effect on the circuit board and further improving the yield of the circuit board.

Description

Electrolysis device

Technical Field

The application belongs to the technical field of circuit board preparation, and more particularly relates to an electrolysis device.

Background

In the wet process of PCB (Printed Circuit Board), thick multiply wood and backplate are drilled and are processed the back, can remain many and glue the sediment, glue the sediment and easily generate useless hexavalent manganese ion, and a large amount of hexavalent manganese ions can reduce the concentration of liquid medicine, lead to the etching effect of liquid medicine to the Circuit Board poor, and then influence the yield of Circuit Board.

SUMMERY OF THE UTILITY MODEL

An object of the embodiment of the application is to provide an electrolytic device to solve the problem that hexavalent manganese ions existing in the correlation technique can reduce the concentration of a liquid medicine, thereby influencing the etching effect of a circuit board and reducing the yield of the circuit board.

In order to achieve the above purpose, the embodiment of the present application adopts the following technical solutions:

provided is an electrolysis apparatus comprising:

the liquid storage tank is used for containing hydroxyl ion solution;

the ion exchange membrane is arranged on the peripheral surface of the liquid storage tank and is used for allowing positive ions to pass through and blocking negative ions;

an anode basket accommodating the liquid storage tank;

the cathode bar extends into the hydroxide ion solution;

wherein the anode mesh basket and the cathode bar are electrically connected with an external circuit respectively.

In one embodiment, the electrolysis apparatus further comprises a connecting plate mounted on the anode basket.

In one embodiment, the connecting plate comprises a first piece connected at one end to the anode basket and a second piece extending from the other end of the first piece away from the reservoir.

In one embodiment, the connecting plate is provided with a mounting hole.

In one embodiment, the anode basket is in a cylindrical configuration, the number of the connecting plates is two, and the two connecting plates are symmetrically distributed around a central axis of the anode basket.

In one embodiment, a distance between an outer circumferential surface of the cathode bar and an inner circumferential surface of the tank is greater than a distance between the ion exchange membrane and an inner circumferential surface of the anode basket.

In one embodiment, the hydroxide ion solution is a sodium hydroxide solution or a potassium hydroxide solution.

In one embodiment, the hydroxide ion concentration in the hydroxide ion solution ranges from 20% to 50%.

In one embodiment, the filtration accuracy of the reservoir is in the range of 0.1 μm to 100 μm.

In one embodiment, the reservoir is of cylindrical configuration made of a metallic material.

One or more technical solutions in the embodiments of the present application have at least one of the following technical effects: the liquid storage tank is filled with hydroxyl ion solution and is filled with the cathode bar; an ion exchange membrane is arranged on the peripheral surface of the liquid storage tank. When the electrolysis device is electrified for electrolysis, hexavalent manganese ions in the main tank enter the liquid storage tank through the ion exchange membrane and perform oxidation-reduction reaction with hydroxyl ions, and the hexavalent manganese ions are oxidized into heptavalent manganese ions which are beneficial to etching of the circuit board and are reduced into manganese dioxide precipitate and deposited in the liquid storage tank; the heptavalent manganese ions can pass through the ion exchange membrane and return to the main tank. Therefore, the electrolytic device can oxidize and reduce the hexavalent manganese ions, thereby reducing the dilution of the hexavalent manganese ions to the liquid medicine, being beneficial to the reuse of the liquid medicine, improving the etching effect on the circuit board and further improving the yield of the circuit board.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or exemplary technical descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a schematic cross-sectional view of an electrolysis apparatus provided in an embodiment of the present application;

FIG. 2 is a top view of an electrolytic device provided in an embodiment of the present application;

fig. 3 is a schematic cross-sectional view of a connection plate provided in an embodiment of the present application.

Wherein, in the drawings, the reference numerals are mainly as follows:

1-a liquid storage tank; 2-hydroxide ion solution; 3-ion exchange membrane; 4-an anode basket; 5-cathode bar;

6-connecting plates; 61-a first sheet; 62-a second sheet; 620-mounting hole.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise. The meaning of "a number" is one or more unless specifically limited otherwise.

In the description of the present application, it is to be understood that the terms "center", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present application and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present application.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

Reference throughout this specification to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment of the present application. Thus, the appearances of the phrases "in one embodiment" or "in some embodiments" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

Referring to fig. 1 and 2, the electrolysis apparatus provided herein will now be described. The electrolysis device comprises a liquid storage tank 1 for containing hydroxyl ion solution 2, an ion exchange membrane 3 arranged on the outer peripheral surface of the liquid storage tank 1, an anode basket 4 for containing the liquid storage tank 1 and a cathode bar 5 extending into the hydroxyl ion solution 2. Wherein, the ion exchange membrane 3 is used for cation to pass through and blocking anion; the anode basket 4 and the cathode bar 5 are electrically connected to an external circuit, respectively. In the structure, the liquid storage tank 1 is filled with the hydroxyl ion solution 2 and is also filled with the cathode bar 5; an ion exchange membrane 3 is provided on the outer peripheral surface of the liquid storage tank 1. When the electrolysis device is electrified and electrolyzed, hexavalent manganese ions in the main tank enter the liquid storage tank 1 through the ion exchange membrane 3 and perform oxidation-reduction reaction with hydroxyl ions, and the hexavalent manganese ions are oxidized into heptavalent manganese ions which are beneficial to etching of the circuit board and are reduced into manganese dioxide precipitate and deposited in the liquid storage tank 1; the heptavalent manganese ions can pass through the ion exchange membrane 3 and return to the main tank. Therefore, the electrolytic device can oxidize and reduce the hexavalent manganese ions, thereby reducing the dilution of the hexavalent manganese ions to the liquid medicine, being beneficial to the reuse of the liquid medicine, improving the etching effect on the circuit board and further improving the yield of the circuit board.

In one embodiment, referring to fig. 1 and 2, the electrolysis apparatus further comprises a connecting plate 6 mounted on the anode basket 4 as an embodiment of the electrolysis apparatus provided herein. In this configuration, the top of the anode basket 4 is open and the connecting plate 6 is disposed at the open end. The connecting plate 6 is used for hanging or connecting the anode mesh basket 4 on an external part to realize the support and fixation of the anode mesh basket 4.

In one embodiment, referring to fig. 1 and 3, as one embodiment of the electrolysis apparatus provided herein, the connecting plate 6 comprises a first piece 61 connected at one end to the anode basket 4 and a second piece 62 extending from the other end of the first piece 61 in a direction away from the tank 1. This structure facilitates the connection between the connection plate 6 and the external member by obliquely disposing the first piece 61 and the second piece 62.

In one embodiment, referring to fig. 3, the first piece 61 is perpendicular to the second piece 62 for facilitating the manufacturing of the connection board 6. In some embodiments, the first sheet 61 and the second sheet 62 are formed by bending the same metal plate. The integrally formed connecting plate 6 has excellent mechanical property and high processing and manufacturing efficiency.

In one embodiment, referring to fig. 2 and 3, as a specific implementation of the electrolysis apparatus provided by the present application, the connection plate 6 is provided with a mounting hole 620. Specifically, the second piece 62 is provided with a mounting hole 620. In this structure, the connection plate 6 can be connected and fixed to an external member by fitting the mounting hole 620 with a screw or a bolt.

In one embodiment, referring to fig. 1 and 2, as a specific embodiment of the electrolysis apparatus provided by the present application, the anode basket 4 has a cylindrical configuration, the number of the connecting plates 6 is two, and the two connecting plates 6 are symmetrically distributed around a central axis of the anode basket 4. This structure sets up two connecting plates 6 through the open end symmetry at anode basket 4, can improve the steadiness that anode basket 4 and external component are connected, avoids rocking of anode basket 4.

In one embodiment, referring to fig. 1, as a specific implementation of the electrolysis apparatus provided by the present application, the distance between the outer circumferential surface of the cathode rod 5 and the inner circumferential surface of the liquid storage tank 1 is greater than the distance between the ion exchange membrane 3 and the inner circumferential surface of the anode basket 4. This structure, ion exchange membrane 3 is close to anode mesh basket 4 and sets up, helps becoming useful heptavalent manganese ion with hexavalent manganese ion oxidation, and then can improve electrolysis efficiency.

In one embodiment, as a specific implementation of the electrolysis apparatus provided herein, the hydroxide ion solution 2 is a sodium hydroxide solution or a potassium hydroxide solution. According to the structure, the influence of sodium ions and potassium ions on liquid medicine is small, so that the influence on the etching of the circuit board is small; and sodium ions and potassium ions are non-toxic and harmless, and have little harm to operators.

In one embodiment, as one embodiment of the electrolysis apparatus provided herein, the hydroxide ion concentration of the hydroxide ion solution 2 is in the range of 20% to 50%. With the structure, the hydroxide ions in the concentration range have good oxidation-reduction performance on the hexavalent manganese ions. Too low a concentration of hydroxyl ions can reduce the efficiency of the redox reaction; too high a concentration of hydroxide ions may generate other impurities. The concentration of the hydroxide ions in the hydroxide ion solution 2 may be 20%, 25%, 30%, 35%, 40%, 45%, 50%, etc., and is not limited herein.

In one embodiment, as a specific embodiment of the electrolysis apparatus provided herein, the filtration accuracy of the reservoir 1 is in the range of 0.1 μm to 100 μm. By adopting the structure, external hexavalent manganese ions can be ensured to smoothly enter the liquid storage tank 1 to realize the oxidation-reduction reaction.

In one embodiment, referring to fig. 1, as one embodiment of the electrolyzer provided herein, the tank 1 is in the configuration of a cylinder made of a metallic material. This structure, the liquid reserve tank 1 that is the cylinder configuration can with the positive pole basket 4 adaptation that is the cylinder configuration for the distance between the inner peripheral surface each point of ion exchange membrane 3 and liquid reserve tank 1 keeps unanimous, thereby can guarantee cation business turn over ion exchange membrane 3's uniformity.

In one embodiment, the inner periphery of the anode basket 4 is extended with a support plate, and the liquid storage tank 1 is correspondingly provided with a baffle. When the baffle plate is placed on the support plate, the liquid storage tank 1 can be hung on the anode mesh basket 4. Furthermore, screw holes can be respectively formed in the supporting plate and the baffle plate, and the liquid storage tank 1 and the anode basket 4 can be connected stably by being locked and fixed through screws. In another embodiment, a stop lever is mounted on the outer circumferential surface of the liquid storage tank 1, and the stop lever can extend into a through hole formed in the anode basket 4, so that the liquid storage tank 1 can be mounted on the anode basket 4.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. An electrolysis apparatus, comprising:

the liquid storage tank is used for containing hydroxyl ion solution;

an anode basket accommodating the liquid storage tank;

the cathode bar extends into the hydroxide ion solution;

2. The electrolysis apparatus of claim 1, wherein: the electrolysis device also comprises a connecting plate arranged on the anode mesh basket.

3. The electrolysis apparatus of claim 2, wherein: the connecting plate comprises a first piece and a second piece, wherein one end of the first piece is connected with the anode mesh basket, and the second piece extends from the other end of the first piece to the direction far away from the liquid storage tank.

4. The electrolysis apparatus of claim 2, wherein: the connecting plate is provided with a mounting hole.

5. The electrolysis apparatus of claim 2, wherein: the anode mesh basket is in a cylindrical configuration, the number of the connecting plates is two, and the two connecting plates are symmetrically distributed on the central axis of the anode mesh basket.

6. The electrolysis apparatus according to any one of claims 1 to 5, wherein: the distance between the outer peripheral surface of the cathode bar and the inner peripheral surface of the liquid storage box is larger than the distance between the ion exchange membrane and the inner peripheral surface of the anode basket.

7. The electrolysis apparatus according to any one of claims 1 to 5, wherein: the hydroxide ion solution is sodium hydroxide solution or potassium hydroxide solution.

8. The electrolysis apparatus according to any one of claims 1 to 5, wherein: the concentration range of the hydroxide ions in the hydroxide ion solution is 20-50%.

9. The electrolysis apparatus according to any one of claims 1 to 5, wherein: the filtration precision range of the liquid storage tank is 0.1-100 mu m.

10. The electrolysis apparatus according to any one of claims 1 to 5, wherein: the liquid storage tank is in a cylindrical configuration made of a metal material.