Strontium carbonate dry powder slurrying feeding system in zinc electrolysis process

Abstract

The utility model discloses a strontium carbonate dry powder slurrying charging system in a zinc electrolysis process, which relates to the technical field of zinc hydrometallurgy and is characterized in that a discharge port of an auger feeding machine is communicated with a feed port of a blanking bin, the blanking port of the blanking bin is positioned above an electronic belt scale, a slurrying tank is positioned below the end of the electronic belt scale, and the end of the electronic belt scale is communicated with the feed port of the blanking bin. Two ends of the conveying pipeline are respectively connected with a discharge port of the slurrying tank and a feed port of the elevated tank, two ends of the overflow pipeline are respectively connected with an overflow port of the elevated tank and a reflux inlet of the slurrying tank, and the new liquid chute is positioned below the discharge port of the elevated tank; the continuous feeding effect of the head tank can be realized by mutually matching all equipment parts, additionally arranging the electro-hydraulic gate and the star-shaped feeder for controlling the distribution uniformity and arranging the conveying pipeline and the overflow pipeline, so that the continuous and accurate quantitative adding of strontium carbonate is realized, the lead content of cathode zinc of zinc hydrometallurgy is effectively reduced, and the production efficiency is improved. And the grade rate of cathode zinc is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of hydrometallurgical zinc, and more specifically to a strontium carbonate dry powder slurrying feeding system in the zinc electrolysis process. Background Art

[0002] During the production process of the hydrometallurgical zinc electrolysis process, a certain amount of strontium carbonate needs to be added to the electrolyte to effectively reduce the lead content in the cathode zinc and improve the grade rate of the cathode zinc. Usually, the addition method of strontium carbonate is to use an electric hoist to lift the strontium carbonate to the platform and manually pour it into the strontium carbonate dissolution tank, which then flows through the pipeline to the cooled liquid chute and enters the electrolysis system. This addition method requires lifting the strontium carbonate to the platform for standby, resulting in high labor intensity, and it is impossible to achieve continuous and accurate quantitative addition, which affects the grade rate of the cathode zinc in the electrolysis workshop. Summary of the Utility Model

[0003] The purpose of the utility model is to provide a strontium carbonate dry powder slurrying feeding system in the zinc electrolysis process to achieve the effects of accurate, continuous, and stable addition of strontium carbonate in order to solve the above technical problems.

[0004] The utility model specifically adopts the following technical solutions to achieve the above purpose: A strontium carbonate dry powder slurrying feeding system in the zinc electrolysis process, comprising: a screw feeder, a feeding bin, an electronic belt scale, a slurrying tank, a feeding pipeline, a high-level tank, an overflow pipeline, and a fresh liquid chute; the discharge port of the screw feeder is communicated with the feed port of the feeding bin, the discharge port of the feeding bin is located above the electronic belt scale, the slurrying tank is located below the end of the electronic belt scale, both ends of the feeding pipeline are respectively connected to the discharge port of the slurrying tank and the feed port of the high-level tank, both ends of the overflow pipeline are respectively connected to the overflow port of the high-level tank and the reflux port of the slurrying tank, and the fresh liquid chute is located below the discharge port of the high-level tank.

[0005] To facilitate controlling the quantity of the material discharged from the feeding bin, preferably, an electro-hydraulic gate is installed in the middle of the discharge port of the feeding bin, and a star feeder is installed at the lower end of the discharge port of the feeding bin as a strontium carbonate dry powder slurrying feeding system in the zinc electrolysis process of the utility model.

[0006] To assist the slurrying tank in dissolving strontium carbonate, preferably, a stirrer is installed inside the slurrying tank as a strontium carbonate dry powder slurrying feeding system in the zinc electrolysis process of the utility model.

[0007] To facilitate the transportation of the strontium carbonate slurry, preferably, a pump body is installed in the middle of the feeding pipeline as a strontium carbonate dry powder slurrying feeding system in the zinc electrolysis process of the utility model.

[0008] In order to facilitate the reflux of the strontium carbonate slurry into the feeding bin, as an optimization of the strontium carbonate dry powder slurry feeding system during zinc electrolysis in the present utility model, the discharge port of the high-level tank is connected to a discharge pipe, the discharge pipe is located above the fresh liquid chute, and the overflow pipeline is located above the discharge pipe.

[0009] The beneficial effects of the present utility model are as follows: Through the cooperation of the screw feeder, the feeding bin, the electronic belt scale, the slurry tank, the feeding pipeline, the high-level tank, the overflow pipeline, and the fresh liquid chute, and by installing an electro-hydraulic gate and a star feeder to control the uniformity of the cloth, by setting two pipelines, namely the feeding pipeline and the overflow pipeline, the effect of continuous feeding of the high-level tank can be achieved, thereby realizing the continuous and accurate quantitative addition of strontium carbonate, effectively reducing the lead content in the cathode zinc during hydrometallurgical zinc smelting, and improving the grade rate of the cathode zinc. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 is a schematic structural diagram of the present utility model;

[0011] Figure 2 is Figure 1 a schematic diagram of part A of

[0012] Reference numerals: 1, screw feeder; 2, feeding bin; 201, electro-hydraulic gate; 202, star feeder; 3, electronic belt scale; 4, slurry tank; 401, stirrer; 5, feeding pipeline; 501, pump body; 6, high-level tank; 601, discharge pipe; 7, overflow pipeline; 8, fresh liquid chute. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0013] The present utility model will be described in detail below in conjunction with the drawings and specific embodiments. Here, the schematic embodiments of the present utility model and the description are used to explain the present utility model, but not to limit the present utility model.

[0014] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present utility model.

[0015] Please refer to Figure 1-2 , the present utility model provides the following technical solutions: A strontium carbonate dry powder slurry feeding system during zinc electrolysis, comprising: a screw feeder 1, a feeding bin 2, an electronic belt scale 3, a slurry tank 4, a feeding pipeline 5, a high-level tank 6, an overflow pipeline 7, and a fresh liquid chute 8.

[0016] The discharge port of the auger loader 1 is connected to the feed port of the lower silo 2 , and strontium carbonate is placed into the lower silo 2 through the auger loader 1 .

[0017] An electro-hydraulic gate 201 is installed in the middle of the discharge port of the discharge bin 2. The electro-hydraulic gate 201 is used to control the amount of material discharged from the discharge bin 2. A star feeder 202 is installed at the lower end of the discharge port of the discharge bin 2. The star feeder 202 can feed materials evenly on the electronic belt scale 3. The electronic belt scale 3 weighs in real time and transmits the weight data to the computer control end. The staff controls whether to close the electro-hydraulic gate 201.

[0018] The slurry tank 4 is located below the end of the electronic belt scale 3. The electronic belt scale 3 drives the strontium carbonate to move to the destination and pours it into the slurry tank 4. The slurry tank 4 dissolves the strontium carbonate, and the agitator 401 assists in stirring to accelerate the dissolution of the strontium carbonate.

[0019] The two ends of the conveying pipeline 5 are respectively connected to the discharge port of the slurry tank 4 and the feed port of the high-level tank 6 , and the dissolved slurry is transported to the high-level tank 6 through the pump body 501 in the middle of the conveying pipeline 5 .

[0020] The two ends of the overflow pipeline 7 are respectively connected to the overflow port of the high-level tank 6 and the return port of the slurry tank 4 , and the excess slurry in the high-level tank 6 is transported back to the slurry tank 4 through the overflow pipeline 7 .

[0021] The new liquid chute 8 is located below the discharge port of the high-level tank 6, and the slurry in the high-level tank 6 is evenly discharged into the new liquid chute 8 through the discharge pipe 601.

[0022] Through the above structure and steps, strontium carbonate is accurately quantitatively slurried and added into the electrolysis system.

[0023] The technical solutions provided by the embodiments of the present invention are introduced in detail above. Specific examples are used in this article to illustrate the principles and implementation methods of the embodiments of the present invention. The description of the above embodiments is only applicable to help understand the principles of the embodiments of the present invention. At the same time, for those skilled in the art, according to the embodiments of the present invention, there will be changes in the specific implementation methods and application scopes. In summary, the content of this specification should not be understood as a limitation on the present invention.

Claims

1. A strontium carbonate dry powder slurry feeding system in zinc electrolysis process, characterized in that: include: An auger loader (1), a lower material bin (2), an electronic belt scale (3), a pulping tank (4), a feed pipeline (5), a high-level tank (6), an overflow pipeline (7), and a new liquid chute (8); the discharge port of the auger loader (1) is connected to the feed port of the lower material bin (2), the discharge port of the lower material bin (2) is located above the electronic belt scale (3), the pulping tank (4) is located below the end of the electronic belt scale (3), the two ends of the feed pipeline (5) are respectively connected to the discharge port of the pulping tank (4) and the feed port of the high-level tank (6), the two ends of the overflow pipeline (7) are respectively connected to the overflow port of the high-level tank (6) and the reflux port of the pulping tank (4), and the new liquid chute (8) is located below the discharge port of the high-level tank (6).

2. The strontium carbonate dry powder slurry feeding system in the zinc electrolysis process according to claim 1, characterized in that: An electro-hydraulic gate (201) is installed in the middle of the discharge port of the discharge bin (2), and a star feeder (202) is installed at the lower end of the discharge port of the discharge bin (2).

3. The strontium carbonate dry powder slurry feeding system in the zinc electrolysis process according to claim 1, characterized in that: An agitator (401) is installed inside the slurry tank (4).

4. The strontium carbonate dry powder slurry feeding system in the zinc electrolysis process according to claim 1, characterized in that: A pump body (501) is installed in the middle of the material delivery pipeline (5).

5. The strontium carbonate dry powder slurry feeding system in the zinc electrolysis process according to claim 1, characterized in that: The discharge port of the high-level tank (6) is connected to a discharge pipe (601), and the discharge pipe (601) is located above the new liquid chute (8). The overflow pipeline (7) is located above the discharge pipe (601).

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