CN212152405U - Normal temperature and pressure ammonia leaching tank - Google Patents

Abstract

The utility model discloses a normal atmospheric temperature ammonia soaks jar, including a jar body, its characterized in that: the top of the tank body is provided with a feed inlet, an ammonia water inlet and an air outlet, and the bottom of the tank body is provided with a final complexing liquid outlet and a liquid outlet; a filter plate is radially arranged in the tank body, a guide column is fixed on the top surface of the filter plate, the guide column is axially arranged, the top end of the guide column is closed, the bottom end of the guide column is connected with the sieve plate, and a plurality of immersion liquid holes are formed in the side wall of the guide column; the outer surface of the flow guide column and the top surface of the filter plate are coated with filter cloth; the side wall of the tank body is provided with a discharge opening above the sieve plate. The ammonia leaching tank with the structure overcomes the defect that the traditional ammonia leaching must be carried out under the conditions of high temperature and high pressure, realizes the operation of the ammonia leaching under the normal temperature and the normal pressure, adopts the mode of ammonia water self-flowing to operate, does not need to additionally increase energy consumption equipment such as a delivery pump, has simple equipment structure and low failure rate, can realize the series production of a plurality of devices, can be used for leaching various metal ions such as copper, zinc and the like, and can greatly improve the production scale and the leaching efficiency.

Description

Normal temperature and pressure ammonia leaching tank

Technical Field

The utility model relates to an ammonia leaching tank for leaching and comprehensively utilizing metal resources in hydrometallurgy and tailings.

Background

The existing ammonia leaching equipment mainly aims at high-temperature or high-pressure leaching, has higher requirements on equipment materials and processing modes, has potential safety hazards during production operation, generally operates intermittently, cannot realize continuous production, and therefore, the production efficiency and the production scale are limited. In recent years, some exploration has been made on the normal temperature and pressure ammonia leaching equipment, for example, chinese utility model patent with publication number CN201520793U discloses a "normal temperature and pressure ammonia leaching copper device", which is composed of a rotary drum, a storage tank, an oxidation reaction tank, a delivery pump, hydraulic jet and other devices to realize normal temperature and pressure operation and continuous leaching, but the structure is complex, the floor space is large, and there are limitations that the delivery pump needs to be added.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a normal atmospheric temperature ammonia soaks jar can realize ammonia water gravity flow, extensive, continuous production's ammonia soaks equipment under normal atmospheric temperature and pressure condition, its simple structure, area are little to can realize many equipment series production.

In order to solve the technical problem, the technical proposal of the utility model is to adopt a normal temperature and pressure ammonia leaching tank, which comprises a tank body and is characterized in that: the top of the tank body is provided with a feed inlet, an ammonia water inlet and an air outlet, and the bottom of the tank body is provided with a final complexing liquid outlet and a liquid outlet; a filter plate is radially arranged in the tank body, a guide column is fixed on the top surface of the filter plate, the guide column is axially arranged, the top end of the guide column is closed, the bottom end of the guide column is connected with the sieve plate, and a plurality of immersion liquid holes are formed in the side wall of the guide column; the outer surface of the flow guide column and the top surface of the filter plate are coated with filter cloth; the side wall of the tank body is provided with a discharge opening above the sieve plate. The principle of the utility model lies in that the liquid is utilized to run by self gravity without additional power.

As an improvement, the flow guide column is coaxially arranged with the tank body. The function of water conservancy diversion post lies in avoiding the too thick unable infiltration of aqueous ammonia of material.

As a further improvement, a high-level ammonia water tank is arranged above the tank body, and a complexing liquid storage tank is arranged below the tank body; the high-order aqueous ammonia jar is connected with the aqueous ammonia entry, complex liquid holding vessel and final complex liquid exit linkage. The liquid gravity is utilized to realize automatic liquid inlet and outlet.

As a further improvement, the filter cloth is canvas. The filter cloth is used for preventing materials from entering the complexing liquid through the holes of the diversion column or the sieve plate.

As an improvement, the tank body is vertically arranged on the ground by means of a bracket.

As an improvement, the top of the tank body is provided with a process complexing liquid inlet, and the bottom of the tank body is provided with a process complexing liquid outlet; the plurality of tank bodies are arranged on the same horizontal plane, and the process complexing liquid outlet of the previous tank body is connected with the process complexing liquid inlet of the next tank body. And multiple devices are connected in series for production, so that the production efficiency is improved.

The utility model discloses an useful part lies in: the ammonia leaching tank with the structure overcomes the defect that the traditional ammonia leaching must be carried out under the conditions of high temperature and high pressure, realizes the operation of the ammonia leaching under the normal temperature and the normal pressure, adopts the mode of ammonia water self-flowing to operate, does not need to additionally increase energy consumption equipment such as a delivery pump, has simple equipment structure and low failure rate, can realize the series production of a plurality of devices, can be used for leaching various metal ions such as copper, zinc and the like, and can greatly improve the production scale and the leaching efficiency.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of the filter cloth.

The labels in the figure are: 1-tank body, 2-feed inlet, 3-ammonia water inlet, 4-air outlet, 5-process complexing liquid inlet, 6-discharge outlet, 7-final complexing liquid outlet, 8-process complexing liquid outlet, 9-liquid discharge outlet, 10-flow guide column, 11-sieve plate and 12-support.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the specific embodiments.

As shown in figures 1 and 2, the utility model relates to a normal temperature and pressure ammonia leaching tank, which comprises a tank body 1, wherein the tank body 1 is vertically arranged on the ground by a support 12. The top of the tank body 1 is provided with a feed inlet 2, an ammonia water inlet 3 and an air outlet 4, and the bottom of the tank body is provided with a final complexing liquid outlet 7 and a liquid outlet 9; a filter plate 11 is arranged in the tank body 1 in the radial direction, a flow guide column 10 is fixed on the top surface of the filter plate 11, and the flow guide column 10 is arranged in the axial direction and is coaxial with the tank body 1; the top end of the flow guide column 10 is closed, the bottom end is connected with the sieve plate 11, and a plurality of immersion liquid holes are formed in the side wall; the outer surface of the flow guide column 10 and the top surface of the filter plate 11 are coated with filter cloth; the filter cloth is canvas. The side wall of the tank body 1 is provided with a discharge opening 6 above the sieve plate 11.

A high-level ammonia water tank is arranged above the tank body 1, and a complexing liquid storage tank is arranged below the tank body; the high-level ammonia water tank is connected with the ammonia water inlet 3, and the complexing liquid storage tank is connected with the final complexing liquid outlet 8.

When used alone, the operation process is as follows:

A. before feeding, covering the flow guide column 10 and the sieve plate 11 with filter canvas, and completely closing all valves of each gas-liquid inlet and outlet and the discharge port 6;

B. adding the ore powder to be leached into the tank body 1 from the feeding hole 2, and sealing the feeding hole 2;

C. opening a valve of an ammonia water inlet 3, and allowing the ammonia water to automatically flow into the tank body 1 from the high-level ammonia storage tank;

D. fully performing a complex reaction when the mineral powder is soaked in ammonia water from top to bottom;

E. opening a valve of a final complexing liquid outlet 7, and allowing the metal ion complexing liquid to automatically flow to a complexing liquid storage tank;

F. after ammonia leaching is finished, closing a valve of an upper ammonia water inlet 3, and opening a valve of a liquid outlet 9 to discharge residual complexing liquid in the tank body;

G. opening a valve of the upper air outlet 4, blowing hot air from the lower liquid outlet 9, and blowing the mineral powder in the tank body 1 to dry and exhaust ammonia gas; (in general, the ammonia gas blown out of the air outlet 4 can be recycled after being condensed by a condensing device.)

H. And opening the discharge opening 6 and discharging the mineral powder in the reaction tank body 1.

In order to serially connect a plurality of ammonia leaching tanks for use, the top of the tank body 1 is provided with a process complexing liquid inlet 5, and the bottom of the tank body is provided with a process complexing liquid outlet 7; the plurality of tank bodies 1 are arranged on the same horizontal plane, and the process complexing liquid outlet 7 of the previous tank body 1 is connected with the process complexing liquid inlet 5 of the next tank body 1.

When used in series, the operation process is as follows:

A. placing a plurality of devices on the same horizontal plane, wherein a process complexing liquid outlet 8 of the previous device is connected with a complexing liquid inlet 5 of the next device;

B. according to the step of single use, each device is sleeved with a filter canvas, and the powder to be leached is added;

C. opening a valve of an ammonia water inlet 3 and a valve of a process complexing liquid outlet 8 of the first equipment, and opening a valve of a complexing liquid inlet 5 of the second equipment;

D. by analogy, the subsequent complexing liquid can sequentially pass through each ammonia leaching device to carry out complexing reaction, so that multi-stage leaching is realized;

E. opening a valve of a final complexing liquid outlet 7 of the last equipment, and enabling the metal ion complexing liquid to automatically flow to a complexing liquid storage tank;

after the ammonia leaching is finished, the steps of liquid drainage, ammonia blowing and ore unloading are carried out according to the steps in the independent use.

The above is only a preferred embodiment of the present invention, and it should be noted that the above preferred embodiment should not be considered as limiting the present invention, and the protection scope of the present invention should be subject to the scope defined by the claims. It will be apparent to those skilled in the art that various modifications and enhancements can be made without departing from the spirit and scope of the invention, and such modifications and enhancements are intended to be within the scope of the invention.

Claims (6)

1. The utility model provides a normal atmospheric temperature and pressure ammonia soaks jar, includes the jar body, its characterized in that: the top of the tank body is provided with a feed inlet, an ammonia water inlet and an air outlet, and the bottom of the tank body is provided with a final complexing liquid outlet and a liquid outlet; a filter plate is radially arranged in the tank body, a guide column is fixed on the top surface of the filter plate, the guide column is axially arranged, the top end of the guide column is closed, the bottom end of the guide column is connected with the sieve plate, and a plurality of immersion liquid holes are formed in the side wall of the guide column; the outer surface of the flow guide column and the top surface of the filter plate are coated with filter cloth; the side wall of the tank body is provided with a discharge opening above the sieve plate.

2. The ammonia leaching tank at normal temperature and pressure as claimed in claim 1, wherein: the flow guide column is coaxial with the tank body.

3. The ammonia leaching tank at normal temperature and pressure as claimed in claim 1, wherein: a high-level ammonia water tank is arranged above the tank body, and a complexing liquid storage tank is arranged below the tank body; the high-order aqueous ammonia jar is connected with the aqueous ammonia entry, complex liquid holding vessel and final complex liquid exit linkage.

4. The ammonia leaching tank at normal temperature and pressure as claimed in claim 1, wherein: the filter cloth is canvas.

5. The ammonia leaching tank at normal temperature and pressure as claimed in claim 1, wherein: the tank body is vertically arranged on the ground by means of a support.

6. The ammonia leaching tank at normal temperature and pressure as claimed in claim 1, wherein: the top of the tank body is provided with a process complexing liquid inlet, and the bottom of the tank body is provided with a process complexing liquid outlet; the plurality of tank bodies are arranged on the same horizontal plane, and the process complexing liquid outlet of the previous tank body is connected with the process complexing liquid inlet of the next tank body.

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