Precious metal leaching system
By designing the oxidant regeneration electrolytic device and activation device in the precious metal leaching system, the cycling and regeneration of oxidant and leaching efficiency are improved, and the problems of oxidant in the prior art are solved, which reduces costs and improves the leaching efficiency. .
Patent Information
- Application Number
- CN202411337834.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-25
- Publication Date
- 2025-01-14
AI Technical Summary
In the existing precious metal leaching systems, oxidants cannot be recycled and regenerated, resulting in high cost and poor activity, affecting the leaching efficiency.
A precious metal leaching system is designed, including an oxidant regeneration electrolytic device, an oxidant recovery barrel and an activation device, to realize the recycling and regeneration of the oxidant through electrolysis, and to increase the concentration and activity of the oxidant through a transfer barrel and a filtration concentration device.
The cycling and regeneration of the oxidant and leaching efficiency are improved, reducing costs and improving the activity of the oxidant.
Smart Images
Figure CN119307733A_ABST
Abstract
Description
Technical Field
[0001] The invention belongs to the technical field of precious metal leaching, and in particular relates to a precious metal leaching system. Background Art
[0002] In the leaching process of precious metals such as precious antimony, oxidants are required. The current leaching system has the following disadvantages: on the one hand, the oxidants cannot be recycled, which is not conducive to saving leaching costs; on the other hand, the oxidants have poor activity, which affects the leaching efficiency. Summary of the invention
[0003] In view of this, an object of the present invention is to provide a precious metal leaching system, which, on the one hand, realizes the recycling regeneration of the oxidant and, on the other hand, improves the leaching efficiency.
[0004] The present invention solves the above problems by the following technical means:
[0005] The present invention provides a precious metal leaching system, comprising a leaching device, an oxidant regeneration electrolysis device, an oxidant recovery barrel and an activation device, wherein the leaching device is connected to the oxidant regeneration electrolysis device, the oxidant regeneration electrolysis device is connected to the oxidant recovery barrel, the oxidant recovery barrel is connected to the activation device, and the activation device is connected to the leaching device.
[0006] Furthermore, it also includes a transfer barrel and a filtering and concentrating device, the oxidant recovery barrel is connected to the transfer barrel, the transfer barrel is connected to the filtering and concentrating device, and the filtering and concentrating device is connected to the leaching device.
[0007] Furthermore, it also includes an oxidant storage barrel connected to the oxidant recovery barrel.
[0008] Furthermore, the oxidant regeneration electrolysis device includes a cathode module and an anode module.
[0009] Furthermore, an ion or proton exchange membrane is arranged between the cathode module and the anode module.
[0010] Furthermore, gauze for protecting the ion or proton exchange membrane is arranged between the cathode module and the anode module.
[0011] Beneficial effects of the present invention:
[0012] The precious metal leaching system of the present application comprises a leaching device, an oxidant regeneration electrolysis device, an oxidant recovery barrel and an activation device, wherein the leaching device is connected to the oxidant regeneration electrolysis device, the oxidant regeneration electrolysis device is connected to the oxidant recovery barrel, the oxidant recovery barrel is connected to the activation device, and the activation device is connected to the leaching device. The precious metal leaching system of the present application can realize the cyclic regeneration of the oxidant on the one hand, and improve the leaching efficiency on the other hand. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0014] Figure 1 It is a structural schematic diagram of a preferred embodiment of the present invention. DETAILED DESCRIPTION
[0015] The present invention is further described in detail below through the accompanying drawings and embodiments. Through these descriptions, the characteristics and advantages of the present invention will become clearer and more specific. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments.
[0016] like Figure 1 As shown, this embodiment discloses a precious metal leaching system, including a leaching device 3, an oxidant regeneration electrolysis device 4, an oxidant recovery barrel 5 and an activation device 2, wherein the leaching device is connected to the oxidant regeneration electrolysis device, the oxidant regeneration electrolysis device is connected to the oxidant recovery barrel, the oxidant recovery barrel is connected to the activation device, and the activation device is connected to the leaching device. The oxidant regeneration electrolysis device includes a cathode module and an anode module. An ion or proton exchange membrane is arranged between the cathode module and the anode module. Gauze for protecting the ion or proton exchange membrane is arranged between the cathode module and the anode module.
[0017] During operation, the precious metals are leached in the leaching device, and the leached solution flows into the oxidant regeneration electrolysis device, and the oxidant is cyclically regenerated through electrolysis. The oxidant regeneration solution is activated by the activation device and flows into the leaching device for recycling. In this way, on the one hand, the oxidant is cyclically regenerated, and on the other hand, the leaching efficiency is improved.
[0018] As a further improvement of the above technical solution, it also includes a transfer barrel 7 and a filtering and concentrating device 1, wherein the oxidant recovery barrel is connected to the transfer barrel, the transfer barrel is connected to the filtering and concentrating device, and the filtering and concentrating device is connected to the leaching device. In this way, after the oxidant regeneration liquid is concentrated, it is beneficial to improve its concentration and oxidation performance, and further improve the leaching efficiency.
[0019] As a further improvement to the above technical solution, an oxidant storage barrel 6 connected to the oxidant recovery barrel is also included. The storage of the regenerated oxidant can be achieved through the oxidant storage barrel.
[0020] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solution of the present invention can be modified or replaced by equivalents without departing from the purpose and scope of the technical solution of the present invention, which should be included in the scope of the claims of the present invention.
Claims
1. A precious metal leaching system, characterized in that: It includes a leaching device, an oxidant regeneration electrolysis device, an oxidant recovery barrel and an activation device. The leaching device is connected to the oxidant regeneration electrolysis device, the oxidant regeneration electrolysis device is connected to the oxidant recovery barrel, the oxidant recovery barrel is connected to the activation device, and the activation device is connected to the leaching device.
2. The precious metal leaching system according to claim 1, characterized in that: It also includes a transfer barrel and a filtering and concentrating device. The oxidant recovery barrel is connected to the transfer barrel, the transfer barrel is connected to the filtering and concentrating device, and the filtering and concentrating device is connected to the leaching device.
3. The precious metal leaching system according to claim 2, characterized in that: Also included is an oxidant storage barrel connected to the oxidant recovery barrel.
4. The precious metal leaching system according to claim 3, characterized in that: The oxidant regeneration electrolysis device comprises a cathode module and an anode module.
5. The precious metal leaching system according to claim 4, characterized in that: An ion or proton exchange membrane is arranged between the cathode module and the anode module.
6. The precious metal leaching system according to claim 5, characterized in that: Gauze for protecting the ion or proton exchange membrane is arranged between the cathode module and the anode module.