CN201125266Y

CN201125266Y - Corroded solution regeneration and copper recycling preprocess apparatus

Info

Publication number: CN201125266Y
Application number: CNU2007200581236U
Authority: CN
Inventors: 王万春
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-10-01
Filing date: 2007-10-01
Publication date: 2008-10-01
Anticipated expiration: 2017-10-01

Abstract

The utility model discloses a corrosive solution regeneration and copper recovery pre-treat device which includes a container. A first mixing chamber and a second mixing chamber are separated in the container inside, a first stratified chamber is connected with the first mixing chamber back, an extracting liquid collecting chamber and a corrosive solution recovery chamber are connected with the first stratified chamber back, a second stratified chamber is connected with the second mixing chamber back, the second mixing chamber connects with the extracting liquid collecting chamber. The corrosive solution regeneration and copper recovery pre-treat device has two mixing chambers in inside and can mix corrosive solution mixture and extracting liquid mixture for increasing regeneration and copper ion extracting efficiency, the mixing chamber also connect with the stratified chamber, corrosive solution and extracting liquid, extractant and copper ion solution can be stratified fully in corresponding stratified chamber and is convenient for collecting. A collecting chamber back of extracting liquid and extractant connects with a cleaning chamber, and can process cleaning and diluting for intermediate product. The corrosive solution regeneration and copper recovery pre-treat device has advantages of simple structure, convenient for maintaining and high efficiency.

Description

A kind of erosion liquid regeneration and copper reclaim pretreatment unit

Technical field

The utility model relates to a kind of printed circuit board erosion liquid regeneration and copper reclaims pretreatment unit.

Background technology

In the printed electronic circuit board industry, because the constructional feature of circuit card self, the wiring board that needs to be covered with Copper Foil in the course of processing etches away unnecessary copper coating according to actual needs, and then carries out some subsequent handlings and finally be made into various wiring boards.Can produce the erosion liquid that contains a large amount of cupric ions in the etching process, erosion liquid can be divided into acid erosion liquid and alkalescence erosion liquid according to its chemical property.These waste liquids have characteristics such as toxicity is big, corrodibility is strong, and contain a lot of heavy metals, human body and animal and environment there is great harm, belong to a national class Hazardous wastes, inaccurate discharging arbitrarily, need the process special processing or send special mechanism to handle to reduce its harm, and contain a large amount of cupric ions in these waste liquids, if do not refine recovery, the serious waste of resource will be caused, the main method of handling erosion liquid at present is that the cupric ion in the erosion liquid is converted into crystal copper sulfate, carries out secondary treatment again.But use this method to handle, still have the cupric ion of nearly half not processedly in the erosion liquid, have in secondary treatment, add other operation, so just strengthened the cost that secondary treatment increased.China uses the electronics or the electrical equipment of circuit card a lot of now, and these circuit cards all are processed into aforesaid method basically, so the amount of the waste liquid of its generation is quite huge, the indirect input that causes therefrom also is very huge, and this method can't handle the lower waste liquid of copper ions, still can not effectively solve environmental pollution problems.

The utility model content

In order to address the above problem, it is a kind of rational in infrastructure that the purpose of this utility model is to provide, and regeneration of erosion liquid and copper that treatment effect is good reclaim pretreatment unit.

The technical solution of the utility model is:

A kind of erosion liquid regeneration and copper reclaim pretreatment unit, comprise container, internal tank is separated out teeter column and secondary stirring chamber, rear portion, a teeter column is connected to a secondary clearing chamber, rear portion, one secondary clearing chamber is connected to the extraction liquid collecting chamber and erosion liquid reclaims the chamber, rear portion, secondary stirring chamber is connected to the secondary stratification chamber, and rear portion, secondary stratification chamber is connected to the extraction agent collecting chamber and cupric ion liquid reclaims the chamber, and the secondary stirring chamber connects described extraction liquid collecting chamber.

The beneficial effects of the utility model are: the utility model inside is provided with two teeter columns, can mix erosion liquid mixture and extraction liquid mixture respectively, improve the efficient of regeneration of erosion liquid and cupric ion extraction, all be connected with the layering chamber behind the teeter column, erosion liquid and extraction liquid and extraction agent and copper ion solution can be in the corresponding indoor abundant layerings of layering, the convenient collection, also be connected with the purge chamber behind extraction liquid and the extraction agent collecting chamber, can the extraction agent after extraction liquid and the reduction be purified and dilution process.The utlity model has simple in structure, easy to maintenance, advantage efficiently.

Description of drawings

Below in conjunction with the drawings and specific embodiments the utility model is further specified.

Fig. 1 is the structural representation of the utility model embodiment;

Fig. 2 is the vertical view of a teeter column of the utility model embodiment place container portions;

Fig. 3 is the vertical view of place, the utility model embodiment secondary stirring chamber container portions;

Fig. 4 is that the utility model embodiment A-A is to sectional view;

Fig. 5 is that the utility model Embodiment B-B is to sectional view;

Fig. 6 is that the utility model Embodiment C-C is to sectional view;

Fig. 7 is that the utility model embodiment D-D is to sectional view.

Embodiment

With reference to Fig. 1, Fig. 2 and Fig. 3, a kind of erosion liquid regeneration of the present utility model and copper reclaim pretreatment unit, comprise container 1, container 1 inside is separated out teeter column 10 and

secondary stirring chamber

20,10 rear portions, a teeter column are connected to a

secondary clearing chamber

11,11 rear portions, one secondary clearing chamber are connected to extraction liquid collecting chamber 12 and erosion

liquid reclaims chamber

13,20 rear portions, secondary stirring chamber are connected to

secondary stratification chamber

21,21 rear portions, secondary stratification chamber are connected to extraction agent collecting chamber 22 and cupric ion liquid reclaims chamber 23, and secondary stirring chamber 20 connects described extraction liquid collecting chamber 12.

The erosion liquid of the copper ions of collecting from production line is sent into teeter column 10, add an amount of extraction agent simultaneously, erosion liquid and extraction agent be thorough mixing in teeter column 10, cupric ion in the erosion liquid enters and becomes extraction liquid in the extraction agent, mixed erosion liquid mixture flows in the secondary clearing chamber 11, because the difference of material density, the erosion liquid mixture is divided into two-layer in a secondary clearing chamber 11, the upper strata is the extraction liquid of copper ions, lower floor is an erosion liquid of having removed cupric ion, the erosion liquid of lower floor is directly collected erosion liquid reclaim in the chamber 13, transfer to production line and can utilize once more, the extraction liquid that cupric ion is contained on the upper strata enters in the extraction liquid collecting chamber 12 automatically.

The extraction liquid that enters the copper ions in the extraction liquid collecting chamber 12 is transported in the secondary stirring chamber 20, in secondary stirring chamber 20, add an amount of sulphuric acid soln simultaneously, stirring in secondary stirring chamber 20 to make cupric ion and sulfuric acid in the extraction liquid fully react, generate the copper-bath of solubility, extraction liquid is reduced simultaneously, and the reductive extraction liquid can reuse after collecting; After the copper-bath collection, deliver to electrolytic tank electrolysis and can obtain highly purified elemental copper.Whole regeneration and removal process speed are fast, and the efficient height is effective.

With reference to Fig. 1, Fig. 2, Fig. 4 and Fig. 5, as optimal way of the present utility model, be the better copper that reclaims more up hill and dale in the erosion liquid, in the teeter column 10 flow-stopping plate 14 is installed, flow-stopping plate 14 is provided with a plurality of through holes or groove, mixed solution after stirring is through flow-stopping plate 14, can slow down mixed solution and flow into speed in the secondary clearing chamber 11, both helped mixed solution at teeter column's thorough mixing, help mixed solution effectively layering in layering chamber 11 again, if excessive velocities, the mixed solution layering not exclusively just flows into subsequent processing, then can reduce organic efficiency.

For further guaranteeing mixed solution fully layering in a secondary clearing chamber 11, in being provided with in the one secondary clearing chamber 11 every gusset plate 15, in every gusset plate 15 a secondary clearing chamber 11 is separated into a plurality of cells, the mixed solution that enters anterior cell is therefrom gone into next cell every gusset plate 15 top overflows, the mixed solution speed that flows into a secondary clearing chamber 11 is further slowed down, and also the solid impurity in the mixed solution can be precipitated to bottom, layering chamber simultaneously.

The extraction liquid of the copper ions of collecting in the extraction liquid collecting chamber 12 may also contain other impurity, for further improving the purity of extraction liquid, be provided with purge chamber 16 behind the extraction liquid collecting chamber 12, purge chamber 16 connects extraction liquid collecting chamber 12 by receiving tank 17, purge chamber's 16 fore portion are separated out stir chamber 18, be connected to laminar flow chamber 19 after the

stir chamber

18,16 rear portions, purge chamber are connected to secondary stirring chamber 20, the extraction liquid that enters extraction liquid collecting chamber 12 is delivered in the anterior stir chamber 18 of purge chamber 16 through receiving tank 17, and the clear water that adds capacity stirs, extraction liquid after the cleaning dilution gathers the rear portion of purge chamber 16 through laminar flow chamber 19, the laminar flow chamber is provided with median septum 190 for 19 li, has through hole or groove on the median septum 190.Median septum 190 can slow down from the speed of stir chamber 18 effusive extraction liquids, and the extraction liquid that flows into 16 rear portions, purge chamber is delivered in the secondary stirring chamber 20 further to be handled.

With reference to Fig. 1, Fig. 3, Fig. 6 and Fig. 7, the extraction liquid of secondary stirring chamber 20 and the biochemical reaction of sulfuric acid hybrid concurrency that is added will be delivered to, for allowing chemical reaction fully with thorough, flow-stopping plate 14 is installed in the secondary stirring chamber 20, flow-stopping plate 14 can slow down the speed that mixed solution flows out secondary stirring chamber 20, allow stir more abundant, reaction is more thorough.Enter in the secondary stratification chamber 21 through the mixed solution of flow-stopping plate 14, because the material density difference, mixed solution is divided into two-layer in secondary stratification chamber 21, the extraction liquid of upper strata after for reduction, i.e. and extraction agent, lower floor is a copper sulfate.For allowing the abundant layering of mixed solution, in being provided with in the secondary stratification chamber 21 every gusset plate 15, in every gusset plate 15 secondary stratification chamber 21 is separated into a plurality of cells, the mixed solution that enters anterior cell is therefrom gone into next cell every gusset plate 15 top overflows, the mixed solution speed that flows into secondary stratification chamber 21 is further slowed down, and also the solid impurity in the mixed solution can be precipitated to bottom, layering chamber simultaneously.Copper-bath after the separation is collected into cupric ion liquid and reclaims in the chamber 23.

Extraction agent is collected in the extraction agent collecting chamber 22, for reducing the impurity in the extraction agent, be provided with purge chamber 26 behind the extraction agent collecting chamber 22, purge chamber 26 connects extraction agent collecting chamber 22 by receiving tank 27, purge chamber's 26 fore portion are separated out stir chamber 28, be connected to laminar flow chamber 29 after the stir chamber 28, extraction agent enters in the stir chamber 28 of purge chamber 26 through receiving tank 27, add and deliver to laminar flow chamber 29 after clear water fully stirs, leave standstill and precipitate the rear portion of collecting behind wherein the solid impurity to the purge chamber, standby or change all turn troughs over to and store.

Be erosion liquid, extraction agent or the copper-bath of convenient turnover or store regenerated, turn trough 30 and/or storage tanks 31 during the sidepiece of container 1 is equipped with, the product in the removal process can be deposited according to actual needs or be stored in middle turn trough 30 or the storage tanks 31.

Produce or install for convenient, container 1 also can be made into several containers independent of each other, during installation each independent sector is linked together, and also has effects equivalent.

More than be preferred implementation of the present utility model, other equivalent technical solutions also should be within its protection domain.

Claims

1. erosion liquid regeneration and copper reclaim pretreatment unit, comprise container (1), it is characterized in that: container (1) inside is separated out a teeter column (10) and secondary stirring chamber (20), rear portion, a teeter column (10) is connected to a secondary clearing chamber (11), rear portion, one secondary clearing chamber (11) is connected to extraction liquid collecting chamber (12) and erosion liquid reclaims chamber (13), rear portion, secondary stirring chamber (20) is connected to secondary stratification chamber (21), rear portion, secondary stratification chamber (21) is connected to extraction agent collecting chamber (22) and cupric ion liquid reclaims chamber (23), and secondary stirring chamber (20) connect described extraction liquid collecting chamber (12).

2. erosion liquid regeneration according to claim 1 and copper reclaim pretreatment unit, it is characterized in that: in the teeter column (10) or between a teeter column (10) and the secondary clearing chamber (11) flow-stopping plate (14) is installed.

3. erosion liquid regeneration according to claim 1 and copper reclaim pretreatment unit, it is characterized in that: in secondary stirring chamber (20) or between secondary stirring chamber (20) and secondary stratification chamber (21) flow-stopping plate (14) is installed.

4. according to claim 2 or 3 described erosion liquid regeneration and copper recovery pretreatment unit, it is characterized in that: flow-stopping plate (14) is provided with a plurality of through holes or groove.

5. erosion liquid according to claim 1 regeneration and copper reclaim pretreatment unit, it is characterized in that: in being provided with in the secondary clearing chamber (11) every gusset plate (15), in every gusset plate (15) a secondary clearing chamber (11) is separated into a plurality of cells.

6. erosion liquid according to claim 1 regeneration and copper reclaim pretreatment unit, it is characterized in that: in being provided with in secondary stratification chamber (21) every gusset plate (15), in every gusset plate (15) secondary stratification chamber (21) are separated into a plurality of cells.

7. erosion liquid regeneration according to claim 1 and copper reclaim pretreatment unit, it is characterized in that: be provided with purge chamber (16) behind the extraction liquid collecting chamber (12), purge chamber (16) connects extraction liquid collecting chamber (12) by receiving tank (17), purge chamber (16) fore portion is separated out stir chamber (18), be connected to laminar flow chamber (19) after the stir chamber (18), rear portion, purge chamber (16) is connected to secondary stirring chamber (20).

8. erosion liquid regeneration according to claim 7 and copper reclaim pretreatment unit, and it is characterized in that: lining, laminar flow chamber (19) is provided with median septum (190), and median septum has through hole or groove on (190).

9. erosion liquid regeneration according to claim 1 and copper reclaim pretreatment unit, it is characterized in that: be provided with purge chamber (26) behind the extraction agent collecting chamber (22), purge chamber (26) connects extraction agent collecting chamber (22) by receiving tank (27), purge chamber (26) fore portion is separated out stir chamber (28), is connected to laminar flow chamber (29) after the stir chamber (28).

10. erosion liquid regeneration according to claim 1 and copper reclaim pretreatment unit, and it is characterized in that: the sidepiece of container (1) is equipped with middle turn trough (30) and/or storage tanks (31).