Separation equipment for indium and germanium in zinc oxide smoke dust

Abstract

The utility model provides equipment for separating indium and germanium in zinc oxide smoke dust. The equipment comprises a tank body, a discharge pipe and a liquid storage tank with an upper opening, a liquid inlet pipe and a gas inlet pipe which are communicated with the interior are arranged on the tank body, a stirring mechanism for mixing gas and liquid is arranged in the tank body, and the liquid inlet pipe and the gas inlet pipe are fixedly connected with feeding equipment; an exhaust pipe communicated with the interior of the tank body is arranged on the tank body and is communicated with a waste gas recovery device; the discharge pipe is obliquely arranged at a high upper part and a low lower part, the discharge pipe comprises a connecting pipe and a solid-liquid separation pipe, the upper end of the connecting pipe is fixedly connected with the discharge port of the tank body, and the lower end of the connecting pipe is fixedly connected with the solid-liquid separation pipe; the solid-liquid separation pipe comprises an arc-shaped cover plate and a connecting frame, the arc-shaped cover plate and the connecting frame both extend in the extending direction of the solid-liquid separation pipe, the arc-shaped cover plate and the connecting frame are detachably connected to form a tubular structure, and the separation equipment for indium and germanium in zinc oxide smoke dust can quickly perform solid-liquid separation and prevent the pipeline from being blocked at the same time.

Description

TECHNICAL FIELD

[0001] The utility model relates to nonferrous metal smelting, especially in a kind of zinc oxide dust indium germanium separation equipment. BACKGROUND

[0002] Nonferrous metal smelting, from ore, concentrate, secondary resources or other materials, associated elements are separated to produce nonferrous metal or its compound production process, zinc smelting process produces zinc oxide dust, zinc oxide dust mainly contains zinc, iron, also contains indium, germanium and one or more rare metals, with high recovery value.

[0003] Conventional treatment zinc oxide dust adopts two-stage acid leaching process, thereby stepwise leaching indium and germanium, indium germanium-containing zinc oxide dust is mixed with low-concentration sulfuric acid solution of zinc hydrometallurgy to obtain medium leaching solution and medium leaching residue, and the germanium in the medium leaching solution is precipitated and separated by tannin to obtain germanium concentrate and post-germanium precipitation solution, the medium leaching residue is mixed with high-concentration sulfuric acid solution of zinc hydrometallurgy to obtain low leaching solution and low leaching residue, the low leaching solution is mixed with indium germanium-containing zinc oxide dust to obtain neutralized solution and indium germanium neutralization residue, and the indium germanium neutralization residue is leached and extracted to obtain indium product and germanium-containing raffinate.

[0004] When the medium leaching solution and the medium leaching residue are separated and discharged, it is difficult to quickly separate the solid and the liquid at one time, and generally the solid and the liquid are separated by a solid-liquid separation plate during discharging, the liquid is discharged, the equipment is opened, and the solid material in the equipment is recovered, which increases the production steps and reduces the production efficiency. UTILITY MODEL CONTENTS

[0005] In order to solve the problem of difficult quick separation of solid and liquid at one time when the medium leaching solution and the medium leaching residue are separated and discharged in the background art, the utility model provides a kind of zinc oxide dust indium germanium separation equipment.

[0006] The technical scheme of the utility model is: including tank body, discharge pipe and upper opening liquid storage tank;

[0007] The tank body is provided with liquid inlet pipe and gas inlet pipe communicated with the inside, and the tank body is provided with stirring mechanism for gas-liquid mixing, and the liquid inlet pipe and the gas inlet pipe are fixedly connected with the feeding equipment;

[0008] The tank body is provided with exhaust pipe communicated with the inside, and the exhaust pipe is communicated with waste gas recovery device;

[0009] The discharge pipe is arranged in high-low inclination, and the discharge pipe includes connecting pipe and solid-liquid separation pipe, the upper end of the connecting pipe is fixedly connected with the discharge port of the tank body, and the lower end of the connecting pipe is fixedly connected with the solid-liquid separation pipe;

[0010] The solid-liquid separation tube comprises an arc-shaped cover plate and a connecting frame, both of which extend along the extension direction of the solid-liquid separation tube, and the arc-shaped cover plate and the connecting frame are detachably connected to form a tubular structure, the connecting frame is the lower part of the solid-liquid separation tube, a filter frame is arranged in the connecting frame, and a filter cloth is fixedly connected in the filter frame, and liquid flows out through the filter cloth.

[0011] A liquid storage pool is arranged below the discharge pipe, the liquid storage pool corresponds to the solid-liquid separation tube in position, a discharge pipe is arranged on the liquid storage pool, and a discharge valve is arranged on the discharge pipe.

[0012] Preferably, a strip-shaped opening extending along the extension direction of the solid-liquid separation tube is arranged on the arc-shaped cover plate, a sliding frame is slidably arranged in the strip-shaped opening, the upper end of the sliding frame penetrates out of the strip-shaped opening, and the lower end of the sliding frame is located in the tubular structure formed by the arc-shaped cover plate and the connecting frame.

[0013] The lower end of the sliding frame is fixedly connected with a slag discharge frame, and the slag discharge frame is matched with the shape of the inside of the tubular structure.

[0014] The slag discharge frame is a circular plate structure, and the thickness of the slag discharge frame is smaller than the width of the strip-shaped opening.

[0015] Preferably, a connecting sleeve pipe is arranged at both ends of the tubular structure formed by the arc-shaped cover plate and the connecting frame.

[0016] A bolt connection opening penetrating through the upper and lower parts is arranged on the connecting sleeve pipe, a jacking bolt is threadedly connected in the bolt connection opening, and the jacking bolt is in contact with the outer surface of the tubular structure.

[0017] Preferably, the connecting frame is an arc-shaped structure, an upper-and-lower-through clamping groove is arranged in the connecting frame, and a filter frame is clamped in the clamping groove.

[0018] The filter frame is an arc-shaped structure, an oral connection groove is arranged in the filter frame, and a filter cloth is fixedly connected in the oral connection groove.

[0019] Preferably, the end of the connecting sleeve pipe close to the tubular structure extends to the inner wall of the oral connection groove and is flush with the inner wall.

[0020] Preferably, a liquid flow sensor is arranged on the liquid inlet pipe, and a gas flow sensor is arranged on the gas inlet pipe.

[0021] A controller is arranged on the tank body, the liquid flow sensor and the gas flow sensor are in control connection with the controller, a control valve is arranged on each of the liquid inlet pipe and the gas inlet pipe, and the control valves are in control connection with the controller.

[0022] A liquid level sensor is arranged in the tank body, and the liquid level sensor is in control connection with the controller.

[0023] Preferably, the stirring mechanism comprises a stirring frame, the stirring frame extends in the up-and-down direction, the stirring frame is rotatably arranged in the inside of the tank body, and a driving device for driving the stirring frame to rotate is arranged on the tank body.

[0024] Preferably, the discharge pipe is provided with a discharge valve.

[0025] Preferably, the bottom of the tank body is provided with a support.

[0026] Preferably, the solid-liquid separation pipe is provided with a reinforcing frame extending in the upward and downward directions, the upper end of the reinforcing frame is fixedly connected with the solid-liquid separation pipe, and the lower end of the reinforcing frame is fixedly connected with the ground.

[0027] The utility model discloses the advantages that when discharging, solid-liquid separation can be carried out quickly, and the solid adhered to the inner wall in the interior can be scraped off through the slagging frame, so that the solid is hung and falls, thereby avoiding the accumulation of the solid adhered to the inner wall, when the interior needs to be cleaned, the solid-liquid separation pipe can be disassembled by removing the connecting sleeve, and the interior is cleaned conveniently. BRIEF DESCRIPTION OF DRAWINGS

[0028] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or prior art, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for the ordinary skilled in the art, other drawings can be obtained according to these drawings without creating creative labor.

[0029] Figure 1 It is the main body structure schematic diagram of example 1;

[0030] Figure 2 It is the partial sectional structure schematic diagram of Figure 1 ;

[0031] Figure 3 It is the solid-liquid separation pipe structure schematic diagram;

[0032] Figure 4 It is the solid-liquid separation pipe explosion structure schematic diagram;

[0033] Figure 5 It is the solid-liquid separation pipe sectional structure schematic diagram;

[0034] Figure 6 It is the solid-liquid separation pipe slagging frame rotation structure schematic diagram.

[0035] In the drawing, 1 is tank body, 2 is support, 3 is liquid inlet pipe, 301 is liquid flow sensor, 4 is gas inlet pipe, 401 is gas flow sensor, 5 is stirring frame, 6 is liquid level sensor, 7 is connecting pipe, 8 is solid-liquid separation pipe, 801 is arc cover plate, 802 is connecting frame, 803 is filter frame, 804 is connecting sleeve, 805 is strip-shaped port, 806 is sliding frame, 807 is slagging frame, 9 is liquid storage pool, 10 is discharge pipe, 11 is discharge valve, 12 is reinforcing frame, 13 is exhaust pipe. DETAILED DESCRIPTION

[0036] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0037] Example 1: This example aims to propose a separation device for indium and germanium in zinc oxide flue dust.

[0038] according to Figures 1 to 6 The aforementioned includes a tank body 1, a discharge pipe, and a liquid storage tank 9 with an upper opening.

[0039] The tank body 1 is equipped with a liquid inlet pipe 3 and an air inlet pipe 4 that communicate with the interior. The liquid inlet pipe 3 is equipped with a liquid flow sensor 301, and the air inlet pipe 4 is equipped with a gas flow sensor 401. The tank body 1 is equipped with a controller, and both the liquid flow sensor 301 and the gas flow sensor 401 are connected to the controller. Both the liquid inlet pipe 3 and the air inlet pipe 4 are equipped with control valves, which are connected to the controller. The tank body 1 is equipped with a liquid level sensor 6, which is connected to the controller. The controller can control the control valve to open or close, thereby controlling the proportion of material entering the tank body 1. When the liquid level sensor 6 detects the liquid level in the tank body 1, the controller controls the control valve to close, thereby stopping the feeding.

[0040] The tank body 1 is equipped with a stirring mechanism for gas-liquid mixing. The stirring mechanism includes a stirring frame 5, which extends in the vertical direction and is rotatably located inside the tank body 1. The tank body 1 is equipped with a driving device for driving the stirring frame 5 to rotate. The liquid inlet pipe 3 and the air inlet pipe 4 are used to be fixedly connected to the feeding equipment. The bottom of the tank body 1 is equipped with a support 2.

[0041] The tank body 1 is equipped with an exhaust pipe 13 that communicates with the interior and is connected to the waste gas recovery device.

[0042] The discharge pipe is arranged in an inclined manner from high to low, and the discharge pipe is provided with a discharge valve 8. The discharge pipe comprises a connecting pipe 7 and a solid-liquid separation pipe 8. The upper end of the connecting pipe 7 is fixedly connected with the discharge port of the tank body 1. The lower end of the connecting pipe 7 is fixedly connected with the solid-liquid separation pipe 8. The connecting pipe 7 and the solid-liquid separation pipe 8 are detachably connected through flange pipes in this embodiment. The solid-liquid separation pipe 8 comprises an arc-shaped cover plate 801 and a connecting frame 802. The arc-shaped cover plate 801 and the connecting frame 802 extend along the extension direction of the solid-liquid separation pipe 8. The arc-shaped cover plate 801 and the connecting frame 802 are detachably connected to form a tubular structure. The connecting frame 802 is the lower part of the solid-liquid separation pipe 8. The connecting frame 802 is provided with a filter frame 803. The connecting frame 802 is in an arc-shaped structure. The connecting frame 802 is provided with a clamping groove which is penetrable upward and downward. The filter frame 803 is clamped in the clamping groove. The filter frame 803 is in an arc-shaped structure. The filter frame 803 is provided with a mouth-shaped connecting groove. The mouth-shaped connecting groove is fixedly connected with filter cloth.

[0043] The arc-shaped cover plate 801 is provided with a strip-shaped opening 805 which extends along the extension direction of the solid-liquid separation pipe 8. A sliding frame 806 is slidably arranged in the strip-shaped opening 805. The upper end of the sliding frame 806 penetrates out of the strip-shaped opening 805. The lower end of the sliding frame 806 is located inside the tubular structure formed by the arc-shaped cover plate 801 and the connecting frame 802. The lower end of the sliding frame 806 is fixedly connected with a slag discharge frame 807. The slag discharge frame 807 is adapted to the shape of the inside of the tubular structure. The slag discharge frame 807 is in a circular plate structure. The thickness of the slag discharge frame 807 is smaller than the width of the strip-shaped opening 805. When the solid in the solid-liquid separation pipe 8 is blocked and it is difficult to discharge, the slag discharge frame 807 is rotated to be parallel to the strip-shaped opening 805, then inserted into the strip-shaped opening 805, and then the sliding frame 806 is rotated to make the slag discharge frame 807 fill the inside of the tubular structure, so that the solid is scraped down when the slag discharge frame 807 moves, thereby avoiding the blockage of the solid.

[0044] The tubular structure formed by the arc-shaped cover plate 801 and the connecting frame 802 is provided with a connecting sleeve 804 at both ends. The connecting sleeve 804 is provided with a bolt connection opening which is penetrable upward and downward. A jacking bolt is threadedly connected in the bolt connection opening. The jacking bolt is in contact with the outer surface of the tubular structure. The end of the connecting sleeve 804 close to the tubular structure extends to the inner wall of the mouth-shaped connecting groove in a flush manner, so that the connecting sleeve 804 is installed to reinforce the filter frame 803 after installation. The connecting sleeve 804 can be quickly disassembled and assembled with the solid-liquid separation pipe 8 by disassembling and assembling the connecting sleeve 804, so that the inside can be easily cleaned.

[0045] The solid-liquid separation pipe 8 is provided with a reinforcing frame 12. The reinforcing frame 12 extends in the upward and downward direction. The upper end of the reinforcing frame 12 is fixedly connected with the solid-liquid separation pipe 8. The lower end of the reinforcing frame 12 is fixedly connected with the ground.

[0046] Working principle: the acidic liquid and zinc oxide fume are sent into the inside of the tank 1 in proportion, the stirring mechanism stirs, the acidic liquid and zinc oxide fume react to generate solid material and liquid material, the solid material and liquid material are sent into the solid-liquid separation pipe 8, the solid-liquid mixed material flows into the solid-liquid separation pipe 8, the liquid flows through the filter frame 803, the liquid flows out of the filter cloth in the filter frame 803 and flows into the liquid storage pool 9, and the solid continues to slide downward and is collected from the discharge end of the solid-liquid separation pipe 8.

[0047] When the solid is accumulated in the solid-liquid separation pipe 8, the slag discharge frame 807 is extended into the inside of the pipe-shaped structure from the strip-shaped port 805, then the slide frame 806 is moved along the extension direction of the strip-shaped port 805, the movement of the slide frame 806 drives the movement of the slag discharge frame 807, so that the solid material is scraped from the pipe-shaped structure, and the material is prevented from adhering to the inner wall of the pipe-shaped structure to cause accumulation.

[0048] When the solid-liquid separation pipe 8 needs to be disassembled, the jacking bolt is unscrewed, then the connecting sleeve 804 is removed, the arc-shaped cover plate 801 and the connecting frame 802 are separated, after the connecting sleeve 804 is removed, the connecting sleeve 804 does not contact the filter frame 803, then the filter frame 803 is disassembled, so that the filter frame 803 is cleaned or replaced.

[0049] Therefore, the solid-liquid separation can be quickly performed when discharging, the solid material and the liquid material can be conveniently treated respectively, the discharge pipe can be quickly cleaned when the discharge pipe is blocked, the solid material is prevented from adhering to the inner wall to cause blockage, and the device can be quickly disassembled when cleaning is needed.

[0050] It is apparent for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and the present application can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-restrictive, the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the involved claims.

Claims

1. A device for separating indium and germanium from zinc oxide dust, characterized in that: Includes a tank body (1), a discharge pipe and a liquid storage tank (9) with an upper opening; The tank (1) is provided with a liquid inlet pipe (3) and an air inlet pipe (4) that communicate with the interior. The tank (1) is provided with a stirring mechanism for gas-liquid mixing. The liquid inlet pipe (3) and the air inlet pipe (4) are used to be fixedly connected to the feeding equipment. The tank body (1) is provided with an exhaust pipe (13) that communicates with the interior, and the exhaust pipe (13) is connected to the waste gas recovery device; The discharge pipe is inclined at the top and low at the bottom. The discharge pipe includes a connecting pipe (7) and a solid-liquid separation pipe (8). The upper end of the connecting pipe (7) is fixedly connected to the discharge port of the tank (1), and the lower end of the connecting pipe (7) is fixedly connected to the solid-liquid separation pipe (8). The solid-liquid separation tube (8) includes an arc-shaped cover plate (801) and a connecting frame (802). The arc-shaped cover plate (801) and the connecting frame (802) both extend along the extension direction of the solid-liquid separation tube (8). The arc-shaped cover plate (801) and the connecting frame (802) can be detachably connected to form a tubular structure. The connecting frame (802) is the lower part of the solid-liquid separation tube (8). A filter frame (803) is provided inside the connecting frame (802). A filter cloth is fixedly connected inside the filter frame (803). The liquid flows out through the filter cloth. The storage tank (9) is located below the discharge pipe. The storage tank (9) and the solid-liquid separation pipe (8) are positioned vertically. The storage tank (9) is equipped with a discharge pipe (10) and a discharge valve (11) is provided on the discharge pipe (10).

2. The separation device for indium and germanium in zinc oxide dust according to claim 1, characterized in that: The arc-shaped cover plate (801) is provided with a strip-shaped opening (805) extending along the extension direction of the solid-liquid separation tube (8). A slide (806) is slidably provided in the strip-shaped opening (805). The upper end of the slide (806) extends out of the strip-shaped opening (805), and the lower end of the slide (806) is located inside the tubular structure composed of the arc-shaped cover plate (801) and the connecting frame (802). The lower end of the slide (806) is fixedly connected to the slag discharge frame (807), and the slag discharge frame (807) is adapted to the internal shape of the tubular structure; The slag discharge frame (807) is a circular plate structure, and the thickness of the slag discharge frame (807) is less than the width of the strip opening (805).

3. The separation device for indium and germanium in zinc oxide dust according to claim 2, characterized in that: The tubular structure consisting of the arc-shaped cover plate (801) and the connecting frame (802) is fitted with connecting sleeves (804) at both ends. The connecting sleeve (804) is provided with a bolt connection port that is open at both the top and bottom. A tightening bolt is connected to the bolt connection port by internal thread. The tightening bolt is in contact with the outer surface of the tubular structure.

4. The separation device for indium and germanium in zinc oxide dust according to claim 3, characterized in that: The connecting frame (802) has an arc-shaped structure and a slot that is open at the top and bottom. A filter frame (803) is snapped into the slot. The filter frame (803) has an arc-shaped structure. An orifice-shaped connecting groove is opened inside the filter frame (803), and a filter cloth is fixedly connected inside the orifice-shaped connecting groove.

5. The indium-germanium separation device in zinc oxide flue dust according to claim 4, characterized in that: The connecting sleeve (804) extends to the inner wall of the orifice-shaped connecting groove at one end near the tubular structure.

6. The separation device for indium and germanium in zinc oxide dust according to any one of claims 1-5, characterized in that: A liquid flow sensor (301) is provided on the liquid inlet pipe (3), and a gas flow sensor (401) is provided on the gas inlet pipe (4). A controller is provided on the tank (1). The liquid flow sensor (301) and the gas flow sensor (401) are both connected to the controller. Control valves are provided on the liquid inlet pipe (3) and the gas inlet pipe (4). The control valves are connected to the controller. A liquid level sensor (6) is installed inside the tank (1), and the liquid level sensor (6) is connected to the controller.

7. The separation device for indium and germanium in zinc oxide dust according to any one of claims 1-5, characterized in that: The stirring mechanism includes a stirring frame (5), which extends in the vertical direction and is rotatably located inside the tank (1). The tank (1) is provided with a driving device to drive the stirring frame (5) to rotate.

8. The separation device for indium and germanium in zinc oxide dust according to any one of claims 1-5, characterized in that: The discharge pipe is equipped with a discharge valve.

9. A separation device for indium and germanium in zinc oxide dust according to any one of claims 1-5, characterized in that: The bottom of the tank (1) is provided with a support (2).

10. A separation device for indium and germanium in zinc oxide dust according to any one of claims 1-5, characterized in that: The solid-liquid separation pipe (8) is provided with a reinforcing frame (12), which extends in the vertical direction. The upper end of the reinforcing frame (12) is fixedly connected to the solid-liquid separation pipe (8), and the lower end of the reinforcing frame (12) is fixedly connected to the ground.

Images