Copper extraction waste liquid recycling system

Abstract

The utility model belongs to the technical field of copper waste liquid recycling, and particularly relates to a copper extraction waste liquid recycling system which comprises a reaction tank serving as a reaction chamber, a reaction is carried out until the pH value is close to the neutral range by adding reactants such as sulfuric acid, a waste liquid outlet is formed in the reaction tank, and a first conveying pipe is arranged on the waste liquid outlet in a communicating mode. The filtering part is connected with the reaction tank through a first conveying pipe and is used for filtering the copper extraction waste liquid output by the reaction tank, then the circulating pump works and is used for conveying copper-containing filtrate filtered by the filtering box into the ion exchange resin tower, and the ion exchange resin tower and the input filtrate are subjected to ion exchange, so that resin is regenerated.

Description

Technical Field

[0001] The utility model relates to the technical field of copper waste liquid recycling, in particular to a copper extraction waste liquid recycling system. Background Art

[0002] Generally, after electroplating a circuit board, copper-containing wastewater will be generated, and sodium hydroxide, sodium carbonate, hydrogen peroxide, etc. will be added to form copper oxide in the copper-containing wastewater so that it can be extracted.

[0003] However, after extracting copper oxide, the remaining copper extraction waste liquid contains a high concentration of chloride ions. If there is no equipment that can effectively treat it, it will lead to the generation of additional treatment costs. Therefore, a copper extraction waste liquid recycling system is provided. Summary of the Utility Model

[0004] The purpose of this part is to outline some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Simplifications or omissions may be made in this part, as well as in the abstract and title of the application, to avoid obscuring the purpose of this part, the abstract, and the title. Such simplifications or omissions shall not be used to limit the scope of the utility model.

[0005] Therefore, the purpose of the utility model is to provide a copper extraction waste liquid recycling system. By placing the copper extraction waste liquid in a reaction tank to react with a reactant until the pH value approaches the neutral range, and then the circulation pump works to transport the copper-containing filtrate filtered by a filter tank to an ion exchange resin tower. The ion exchange resin tower exchanges ions with the input filtrate to regenerate the resin.

[0006] To solve the above technical problems, according to one aspect of the utility model, the following technical solutions are provided:

[0007] A copper extraction waste liquid recycling system, comprising:

[0008] A reaction tank as a reaction chamber, with a waste liquid outlet opened on the reaction tank, and a first transport pipe is connected to the waste liquid outlet.

[0009] A filtering component, connected to the reaction tank through the first transport pipe, and filtering the copper extraction waste liquid output by the reaction tank.

[0010] As a preferred solution of the copper extraction waste liquid recycling system described in the utility model, wherein: an infusion pump is installed outside the reaction tank corresponding to the position of the waste liquid outlet. The input port of the infusion pump is connected to the waste liquid outlet in a communicating manner, and the output port of the infusion pump is connected to the first transport pipe.

[0011] As a preferred embodiment of the copper extraction waste liquid recycling system of the present utility model, wherein: the filtering component includes a filtering box connected to the first transportation pipe. An inlet pipe communicating with the first transportation pipe is provided outside the top of the filtering box, and a discharge pipe is provided outside the bottom of the filtering box.

[0012] As a preferred embodiment of the copper extraction waste liquid recycling system of the present utility model, wherein: a circulation pump is connected to the filtering box corresponding to the position of the discharge pipe. The input port of the circulation pump is communicated with the discharge pipe, and the output port of the circulation pump is communicated with the second transportation pipe.

[0013] As a preferred embodiment of the copper extraction waste liquid recycling system of the present utility model, wherein: the tail end of the second transportation pipe is connected to the liquid inlet port of the ion exchange resin tower.

[0014] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0015] By placing the copper extraction waste liquid in the reaction tank to react with the reactant until the pH value approaches the neutral range, and then the circulation pump works to transport the copper-containing filtrate filtered by the filtering box into the ion exchange resin tower. The ion exchange resin tower exchanges ions with the input filtrate, and the sodium ions contained in the filtrate can be replaced with the magnesium ions in the ion exchange resin tower, so that the ion exchange resin tower can be reused. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the present utility model will be described in detail below with reference to the drawings and detailed embodiments. Obviously, the drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts. Among them:

[0017] Figure 1 It is a block diagram of the copper extraction waste liquid recycling system of the present utility model;

[0018] Figure 2 It is a three-dimensional diagram of the copper extraction waste liquid recycling system of the present utility model;

[0019] In the figure: 1 reaction tank, 10 infusion pump, 11 waste liquid outlet, 12 first transportation pipe, 2 filtering component, 20 filtering box, 21 inlet pipe, 22 circulation pump, 23 discharge pipe, 24 second transportation pipe, 3 ion exchange resin tower. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0020] In order to make the above objects, features, and advantages of the present utility model more obvious and understandable, the following detailed description of the specific embodiments of the present utility model will be made with reference to the drawings.

[0021] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific implementation methods disclosed below.

[0022] Secondly, the present invention is described in detail with reference to the schematic diagram. When describing the implementation of the present invention, for the sake of convenience, the cross-sectional diagram showing the device structure will not be partially enlarged according to the general proportion, and the schematic diagram is only an example, which should not limit the scope of protection of the present invention. In addition, in actual production, the three-dimensional dimensions of length, width and depth should be included.

[0023] In order to make the purpose, technical solution and advantages of the present invention more clear, the implementation mode of the present invention will be further described in detail below with reference to the accompanying drawings.

[0024] The utility model provides a copper extraction waste liquid recycling system, please refer to Figure 1-2 , including a reaction tank 1 and a filtering component 2;

[0025] Please continue reading Figure 1-2 , a reaction tank 1 as a reaction chamber, the copper-extracting waste liquid reacts with a reactant (such as sulfuric acid) in the reaction tank 1 until the pH value is close to a neutral range, a waste liquid outlet 11 is provided on the reaction tank 1, and a first transport pipe 12 is connected to the waste liquid outlet 11, and the first transport pipe 12 is used as a transport channel to transport the waste liquid discharged through the waste liquid outlet 11 to the filter box 20 (the aforementioned copper-containing waste water can be, for example, generated in the electroplating process of a circuit board, and the aforementioned copper-containing waste water can be, for example, added with sodium hydroxide, sodium carbonate and hydrogen peroxide, so that the copper ions in the copper-containing waste water can be extracted by forming copper oxide, and the aforementioned copper-containing waste water can form copper-extracting waste liquid);

[0026] The infusion pump 10 is threadedly connected to the position of the waste liquid outlet 11 on the outside of the reaction tank 1, the input port of the infusion pump 10 is connected to the waste liquid outlet 11, and the output port of the infusion pump 10 is connected to the first transport pipe 12. The infusion pump 10 works to provide a transport action to transport the waste liquid from the reaction tank 1 to the filter box 20;

[0027] Please continue reading Figure 1-2 The filter component 2 is connected to the reaction tank 1 through the first transport pipe 12 to filter the copper extraction waste liquid output from the reaction tank 1;

[0028] The filtering component 2 includes a filtering box 20 connected to the first transport pipe 12, and the filtering box 20 is used to filter the input copper extraction waste liquid to reduce the input of impurities. The top outer side of the filtering box 20 is provided with an inlet pipe 21 connected to the first transport pipe 12, and the bottom outer side of the filtering box 20 is provided with a discharge pipe 23;

[0029] The outer side of the filter box 20 is threadedly connected to the position of the discharge pipe 23, the input port of the circulation pump 22 is connected to the discharge pipe 23, and the output port of the circulation pump 22 is connected to the second transport pipe 24. The circulation pump 22 works to transport the copper-containing filtrate filtered by the filter box 20 to the ion exchange resin tower 3;

[0030] Please continue reading Figure 1-2 , the tail end of the second transport pipe 24 is connected to the liquid inlet port of the ion exchange resin tower 3;

[0031] The ion exchange resin tower 3 performs ion exchange with the input filtrate, and the sodium ions contained in the filtrate can be replaced with the magnesium ions in the ion exchange resin tower, so that the ion exchange resin tower 3 can be reused. In addition, the copper-containing waste liquid formed by adding sodium hydroxide to the copper-containing waste water to extract copper is rich in sodium ions, and there is no need to provide an additional solution containing sodium ions to backwash the ion exchange resin tower 3;

[0032] Working principle: When the utility model is in use, the copper-extracting waste liquid is placed in a reaction tank 1 to react with a reactant until the pH value is close to a neutral range, and then the circulating pump 22 is operated to transport the copper-containing filtrate filtered by the filter box 20 to the ion exchange resin tower 3. The ion exchange resin tower 3 performs ion exchange with the input filtrate. The copper-containing waste liquid formed after copper is extracted by adding sodium hydroxide is rich in sodium ions, and there is no need to provide an additional solution containing sodium ions to backwash the ion exchange resin tower 3.

[0033] Although the present invention has been described above with reference to the embodiments, various modifications may be made thereto and parts thereof may be replaced with equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the various features in the embodiments disclosed in the present invention may be used in combination with each other in any manner, and the fact that these combinations are not exhaustively described in this specification is only for the sake of omitting space and saving resources. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A copper extraction waste liquid recycling system, characterized in that: include: A reaction tank (1) serving as a reaction chamber, the reaction tank (1) being provided with a waste liquid outlet (11), and a first transport pipe (12) being connected to the waste liquid outlet (11); The filtering component (2) is connected to the reaction tank (1) via the first transport pipe (12) and filters the copper-extracting waste liquid output from the reaction tank (1).

2. A copper extraction waste liquid recycling system according to claim 1, characterized in that: An infusion pump (10) is installed on the outside of the reaction tank (1) at a position corresponding to the waste liquid outlet (11); an input port of the infusion pump (10) is connected to the waste liquid outlet (11), and an output port of the infusion pump (10) is connected to the first transport pipe (12).

3. A copper extraction waste liquid recycling system according to claim 2, characterized in that: The filter component (2) comprises a filter box (20) connected to the first transport pipe (12); an inlet pipe (21) connected to the first transport pipe (12) is provided on the outside of the top of the filter box (20); and a discharge pipe (23) is provided on the outside of the bottom of the filter box (20).

4. A copper extraction waste liquid recycling system according to claim 3, characterized in that: The outer side of the filter box (20) is connected to a circulation pump (22) at a position corresponding to the discharge pipe (23); the input port of the circulation pump (22) is connected to the discharge pipe (23); and the output port of the circulation pump (22) is connected to the second transport pipe (24).

5. A copper extraction waste liquid recycling system according to claim 4, characterized in that: The tail end of the second transport pipe (24) is connected to the liquid inlet port of the ion exchange resin tower (3).

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