CN212050575U

CN212050575U - Iron-containing zincic acid liquid recycling treatment system

Info

Publication number: CN212050575U
Application number: CN201922441315.0U
Authority: CN
Inventors: 徐广林; 常本凤; 左志华
Original assignee: Jiangsu Zhongyuan Rare Earth New Material Co ltd
Current assignee: Jiangsu Shengda Cosco Electric Co ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-12-01
Anticipated expiration: 2029-12-30

Abstract

The utility model discloses a recycling treatment system for iron-containing zincic acid liquid, which comprises a first reaction tank, a filter, a second reaction tank, an evaporator and a zinc-iron sulfate recovery device which are arranged from high position to low position in sequence, wherein the iron-zinc recovery device comprises a cylinder body, and the bottom of the cylinder body is provided with a liquid discharge hopper; the cylinder is internally provided with a screen, the screen is obliquely arranged, the lower end of the screen is butted with a discharge hopper which is obliquely arranged, the side wall of the filter is convexly provided with a vibration chamber outwards, and the higher end of the screen extends into the vibration chamber and is connected with the bottom of the vibration chamber through a spring; and a shunting block is arranged on the inner wall of the top of the cylinder body. The utility model discloses can realize ferrous sulfate and zinc sulfate solid automatic collection in the iron containing zincic acid liquid, need not the manual filtration, the operation is more convenient.

Description

Iron-containing zincic acid liquid recycling treatment system

Technical Field

The utility model relates to a waste liquid treatment technical field, in particular to iron-containing zincic acid liquid resourceful treatment system.

Background

The liquid recycling treatment system is a liquid recycling treatment system which can extract useful substances contained in waste liquid through certain treatment or processing, continuously play a role in the industrial and agricultural production process, and change some liquid wastes into new energy or resources, wherein the conversion from the liquid wastes to the useful substances is called as the liquid recycling treatment system. The method comprises the steps of directly discharging the iron-containing and iron-containing zinc acid solution to pollute the environment, adding reducing agents such as zinc powder and iron powder into the zinc-containing and iron-containing waste acid to convert trivalent iron ions in the zinc-containing and iron-containing waste acid into divalent iron ions, simultaneously replacing heavy metal ions in the zinc-containing and iron-containing waste acid with simple substances, filtering to remove solid impurities in a reducing solution, adding concentrated sulfuric acid to obtain a mixed solution, and evaporating and concentrating the mixed solution at 100 ℃ to obtain solid matters of ferrous sulfate and zinc sulfate, so that iron and zinc are extracted from the acid solution.

The existing liquid recycling treatment system is inconvenient to collect solid matters obtained after treatment, needs manual filtration, is very labor-consuming, has poor filtering effect, and provides the iron-containing zincic acid liquid recycling treatment system in order to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a sour liquid resourceful treatment system of iron-containing zincate.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the device comprises a first reaction tank, a filter, a second reaction tank, an evaporator and a zinc-iron sulfate recovery device which are sequentially arranged from a high position to a low position, wherein the first reaction tank, the filter, the second reaction tank, the evaporator and the zinc-iron sulfate recovery device are sequentially communicated through connecting pipes respectively; the cylinder is internally provided with a screen, the screen is obliquely arranged, the lower end of the screen is butted with a discharge hopper which is obliquely arranged, the side wall of the filter is convexly provided with a vibration chamber outwards, and the higher end of the screen extends into the vibration chamber and is connected with the bottom of the vibration chamber through a spring; the top inner wall of barrel on be provided with the reposition of redundant personnel piece, the reposition of redundant personnel piece be located the higher one end top of screen cloth, the central point of reposition of redundant personnel piece be provided with the reposition of redundant personnel pointed end, the reposition of redundant personnel pointed end just to barrel inlet pipe mouth of pipe setting, the bilateral symmetry of reposition of redundant personnel piece be provided with and block the lateral wall, the reposition of redundant personnel pointed end with block and equally divide between the lateral wall and do not form the drain recess.

Preferably, the surface of the screen is coated with a corrosion resistant layer.

Preferably, the lower end of the discharge hopper is provided with a discharge pipe, and the discharge pipe is in an inverted L shape.

Preferably, a pair of handles is symmetrically arranged on the side wall of the cylinder body.

Preferably, the lower extreme of filter be provided with four groups of supporting legss, the bottom of supporting legss all be provided with shock attenuation gasket.

Preferably, the connecting pipes between the first reaction tank and the filter, between the filter and the second reaction tank, between the second reaction tank and the evaporator, and between the evaporator and the zinc-iron sulfate recovery device are all provided with regulating valves.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model comprises a first reaction tank arranged from high position to low position in sequence, a filter, a second reaction tank, an evaporator and a zinc-iron sulfate recovery device, when the waste acid containing zinc and iron is treated, the waste acid containing zinc and iron and a reducing agent (such as zinc powder and iron powder) are added into the first reaction tank, ferric iron ions in the waste acid containing zinc and iron are converted into bivalent iron ions, heavy metal ions in the waste acid containing zinc and iron are replaced into simple substances, the heavy metal ions automatically flow into the filtering device to remove solid impurities in reducing liquid, the concentrated sulfuric acid automatically flows into the second reaction tank, the concentrated sulfuric acid is added into the second reaction tank to react, the mixed liquid after reaction automatically flows into the evaporator, the concentrated liquid obtained by evaporation concentration and containing ferrous sulfate and zinc sulfate enters into the zinc-iron sulfate recovery device, under the action of a shunting block, the concentrated liquid of ferrous sulfate and zinc sulfate is evenly shunted into two strands, the concentrated liquid is guided to the higher end of a screen, because the impact of the gravity of the concentrated solution, the screen mesh shakes up and down, thereby realizing that the solid ferrous sulfate and zinc sulfate of the concentrated solution are better separated, and the ferrous sulfate and zinc sulfate after separation are discharged through the discharge hopper, directly obtained and collected, as further recycle.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic external view of the zinc-iron sulfate recovery unit;

FIG. 3 is a sectional view of the zinc-iron sulfate recovery apparatus

Fig. 4 is a schematic top view of a diverter block.

In the figure: 1. a first reaction tank; 2. a filter; 3. a second reaction tank; 4. an evaporator; 5. a zinc-iron sulfate recovery unit; 6. a barrel; 7. screening a screen; 8. a liquid discharge hopper; 9. a handle; 10. a feeding pipe 11 and supporting legs; 12. a shock-absorbing pad; 13. a discharge hopper; 15. a vibration chamber; 16. a spring; 17. a shunting block; 171. a shunt tip; 172. a barrier sidewall; 173. and a liquid guide groove.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-4, the resource treatment system for iron-containing zincic acid solution comprises a first reaction tank 1, a filter 2, a second reaction tank 3, an evaporator 4 and a zinc-iron sulfate recovery device 5 which are sequentially arranged from a high position to a low position, wherein the first reaction tank 1, the filter 2, the second reaction tank 3, the evaporator 4 and the zinc-iron sulfate recovery device 5 are sequentially communicated with each other through connecting pipes, the zinc-iron sulfate recovery device comprises a cylinder 6, a pair of handles 9 are symmetrically arranged on the side wall of the cylinder 6, and a drain hopper 8 is arranged at the bottom of the cylinder; the cylinder is internally provided with a screen 7, the surface of the screen is coated with a corrosion-resistant layer, the screen 7 is obliquely arranged, the lower end of the screen is butted with a discharge hopper 13 which is obliquely arranged downwards, and the lower end of the discharge hopper 13 is provided with an inverted L-shaped discharge pipe 14; the side wall of the filter is provided with a vibration chamber 15 in an outward protruding mode, and the higher end of the screen 7 extends into the vibration chamber 15 and is connected with the bottom of the vibration chamber 15 through a spring 16; the top inner wall of barrel on be provided with branch stream block 17, branch stream block 17 be located the higher one end top of screen cloth, the central point of branch stream block be provided with the reposition of redundant personnel pointed end 171, the reposition of redundant personnel pointed end just to barrel 6 inlet pipe 10 mouth of pipe setting, the bilateral symmetry of branch stream block 17 be provided with and block lateral wall 172, the reposition of redundant personnel pointed end 171 with block and equally divide between the lateral wall 172 and do not form drain recess 173.

Four groups of supporting legs 11 are arranged at the lower end of the filter 6, and rubber damping gaskets 12 are arranged at the bottoms of the supporting legs 11.

Preferably, regulating valves (not shown in the drawing) are arranged on connecting pipes between the first reaction tank and the filter, between the filter and the second reaction tank, between the second reaction tank and the evaporator, and between the evaporator and the zinc-iron sulfate recovery device.

When the utility model is used, reducing agents (zinc powder and iron powder) are added into the first reaction tank 1 to reduce the iron-zinc-containing acid liquor, the reducing liquid automatically flows into the filter 2 to filter out solid impurities in the liquid, the filtered liquid automatically flows into the second reaction tank 3, sulfuric acid is added into the second reaction tank 3, and the reaction liquid automatically flows into the evaporator 4 to be heated to 100 ℃ to obtain concentrated solution of ferrous sulfate and zinc sulfate; concentrated solution of ferrous sulfate and zinc sulfate automatically flows into a zinc-iron sulfate recovery device, solid and liquid substances are separated through a screen 7, and the screen 7 can vibrate, so that the screening and filtering efficiency is further improved; through the design of the shunting block 17, the water from the port of the connecting pipe 8 can be uniformly shunted into two parts, and the water flow is guided downwards, so that the screening and filtering efficiency of the screen 7 is improved; finally, ferrous sulfate and zinc sulfate solid are discharged through the discharge hopper 13, so that the ferrous sulfate and zinc sulfate solid can be automatically collected without manual filtration, the operation is more convenient, and the screening effect is good.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The iron-containing zincic acid liquid recycling treatment system is characterized by comprising a first reaction tank, a filter, a second reaction tank, an evaporator and a zinc-iron sulfate recovery device which are sequentially arranged from a high position to a low position, wherein the first reaction tank, the filter, the second reaction tank, the evaporator and the zinc-iron sulfate recovery device are sequentially communicated through connecting pipes respectively, the zinc-iron sulfate recovery device comprises a cylinder body, and a drain hopper is arranged at the bottom of the cylinder body; the cylinder is internally provided with a screen, the screen is obliquely arranged, the lower end of the screen is butted with a discharge hopper which is obliquely arranged, the side wall of the filter is convexly provided with a vibration chamber outwards, and the higher end of the screen extends into the vibration chamber and is connected with the bottom of the vibration chamber through a spring; the top inner wall of barrel on be provided with the reposition of redundant personnel piece, the reposition of redundant personnel piece be located the higher one end top of screen cloth, the central point of reposition of redundant personnel piece be provided with the reposition of redundant personnel pointed end, the reposition of redundant personnel pointed end just to barrel inlet pipe mouth of pipe setting, the bilateral symmetry of reposition of redundant personnel piece be provided with and block the lateral wall, the reposition of redundant personnel pointed end with block and equally divide between the lateral wall and do not form the drain recess.

2. The resource treatment system of the iron-containing zincic acid solution according to claim 1, characterized in that: the surface of the screen is coated with a corrosion-resistant layer.

3. The resource treatment system of the iron-containing zincic acid solution according to claim 1, characterized in that: the side wall of the cylinder body is symmetrically provided with a pair of handles.

4. The resource treatment system of the iron-containing zincic acid solution according to claim 1, characterized in that: the lower extreme of filter be provided with four groups supporting legs, the bottom of supporting leg all be provided with shock attenuation gasket.

5. The resource treatment system of the iron-containing zincic acid solution according to claim 1, characterized in that: and regulating valves are arranged on connecting pipes between the first reaction tank and the filter, between the filter and the second reaction tank, between the second reaction tank and the evaporator and between the evaporator and the zinc-iron sulfate recovery device.