CN213113435U - Wet zinc smelting purification system - Google Patents
Wet zinc smelting purification system Download PDFInfo
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- CN213113435U CN213113435U CN202021973914.3U CN202021973914U CN213113435U CN 213113435 U CN213113435 U CN 213113435U CN 202021973914 U CN202021973914 U CN 202021973914U CN 213113435 U CN213113435 U CN 213113435U
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Abstract
The utility model discloses a zinc hydrometallurgy purification system, which comprises a first-stage purification unit, a first-stage filter press, a second-stage purification unit, a second-stage filter press, a third-stage purification unit and a third-stage filter press which are connected in sequence, and further comprises a slurrying tank, wherein the top of the slurrying tank is provided with a liquid inlet and a charging hole, and the bottom of the slurrying tank is provided with a discharge hole; the liquid outlet of the first-stage filter press is communicated with the liquid inlet through a filtrate pipe, and the discharge port is communicated with the inlet of the section of purification unit through a slurry pipe. The advantages are that: a pulping tank is added, partial filtrate discharged by a first-stage filter press and zinc powder are mixed to prepare slurry in the pulping tank, and then the slurry is added into a section of purification unit, so that the problems of dust flying and environmental pollution are reduced, meanwhile, the harm to the health of staff is reduced, and the potential safety hazard of dust explosion is avoided; meanwhile, the weighing tank is additionally arranged on the feed inlet of the slurrying tank, so that quantitative putting of zinc powder can be realized, accurate control is facilitated, and the cost is reduced.
Description
The technical field is as follows:
the utility model relates to a zinc hydrometallurgy technical field, specifically speaking relate to a zinc hydrometallurgy clean system.
Background art:
the zinc sulfate solution obtained by neutral leaching of zinc roasted ore contains many impurities, wherein the impurities include copper, cadmium, cobalt, iron and the like with positive potential than zinc; the impurities are extremely harmful in the zinc electrolytic deposition process, such as the problems of reducing the current efficiency, increasing the consumption of electrolytic energy, influencing the quality of separated zinc, corroding the cathode to cause the zinc stripping difficulty and the like. Therefore, this solution must be purified before electrolysis, and the removal of harmful impurities is controlled to an allowable level. At present, a three-stage purification process is usually adopted in a purification section, namely, the purification section comprises a first-stage purification unit, a first-stage filter press, a second-stage purification unit, a second-stage filter press, a three-stage purification unit and a third-stage filter press which are connected in sequence; zinc sulfate solution and zinc powder directly enter a purification section from a section of purification unit, wherein bagged zinc powder needs to be poured into a zinc powder barrel manually, then the zinc powder barrel is pushed to a hoisting port, the zinc powder barrel is hoisted to a material tray by an electric hoist, and then the zinc powder barrel is added into a feeding port of the section of purification unit from the material tray; the above process has the following problems: (1) the dust flying points are more, zinc powder is wasted, the environment is polluted, and the health of workers is influenced; (2) the feeding disc can not realize the addition of small dosage, the addition of zinc powder is large, and the cost is increased; (3) the labor intensity of personnel is high, and the site has the hidden danger of dust explosion.
The utility model has the following contents:
an object of the utility model is to provide a wet process zinc metallurgy clean system that reduces the dust and fly upward.
The utility model discloses by following technical scheme implement: the zinc hydrometallurgy purification system comprises a first-stage purification unit, a first-stage filter press, a second-stage purification unit, a second-stage filter press, a third-stage purification unit and a third-stage filter press which are sequentially connected, and further comprises a slurrying tank, wherein a stirring mechanism is arranged in the slurrying tank, and a stirring driver for driving the stirring mechanism to rotate is fixed at the top of the slurrying tank; a liquid inlet and a feeding port are formed in the top of the slurrying tank, and a discharge port is formed in the bottom end of the slurrying tank; the liquid outlet of the first-stage filter press is communicated with the liquid inlet through a filtrate pipe, and a filtrate control valve is arranged on the filtrate pipe; the discharge port is communicated with the inlet of the section of the purification unit through a slurry pipe, and a slurry control valve and a flow meter which are arranged in the front and at the back are arranged on the slurry pipe.
Further, the device also comprises a circulating pump, wherein an inlet of the circulating pump is communicated with the bottom of the slurrying tank through a pipeline, and an outlet of the circulating pump is communicated with the top of the slurrying tank.
Furthermore, the zinc powder weighing device further comprises a zinc powder storage tank, a pneumatic conveyor and a weighing tank, wherein an inlet of the pneumatic conveyor is communicated with an outlet of the zinc powder storage tank, an outlet of the pneumatic conveyor is communicated with an inlet pipeline of the weighing tank, and an outlet of the weighing tank is communicated with a feed inlet pipeline.
Further, the stirring mechanism comprises a rotating shaft, an upper spiral blade and a stirring blade; the top end of the rotating shaft is rotatably arranged at the top of the slurrying tank in a penetrating manner, and the output shaft driven by stirring is in transmission connection with the top end of the rotating shaft; the bottom end of the rotating shaft extends to the inner bottom of the slurrying tank, and an upper rotating spiral blade is fixed outside the rotating shaft in the slurrying tank; and stirring blades are fixed on the rotating shaft between the adjacent blades of the upper spiral blade.
The utility model has the advantages that: a pulping tank is added, partial filtrate discharged by a first-stage filter press and zinc powder are mixed to prepare slurry in the pulping tank, and then the slurry is added into a section of purification unit, so that the problems of dust flying and environmental pollution are reduced, meanwhile, the harm to the health of staff is reduced, and the potential safety hazard of dust explosion is avoided; meanwhile, the weighing tank is additionally arranged on the feed inlet of the slurrying tank, so that quantitative putting of zinc powder can be realized, accurate control is facilitated, and the cost is reduced.
Description of the drawings:
fig. 1 is a schematic view of the entire structure of embodiment 1.
Fig. 2 is a schematic structural view of embodiment 2.
FIG. 3 is a schematic diagram of the configuration of the slurry tank.
The device comprises a first-stage purification unit 1, a first-stage filter press 2, a second-stage purification unit 3, a second-stage filter press 4, a third-stage purification unit 5, a third-stage filter press 6, a slurrying tank 7, a stirring mechanism 7.1, a rotating shaft 7.1.1, an upper spiral blade 7.1.2, a stirring blade 7.1.3, a stirring drive 7.2, a liquid inlet 7.3, a feeding port 7.4, a discharging port 7.5, a circulating pump 7.6, a filtrate pipe 8, a filtrate control valve 9, a slurry pipe 10, a slurry control valve 11, a flowmeter 12, a zinc powder storage tank 13, a pneumatic conveyor 14 and a weighing tank 15.
The specific implementation mode is as follows:
in the description of the present invention, it should be noted that, as the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. appear, the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, but does not indicate or imply that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" as appearing herein are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Example 1: as shown in fig. 1, the zinc hydrometallurgy purification system comprises a first-stage purification unit 1, a first-stage filter press 2, a second-stage purification unit 3, a second-stage filter press 4, a third-stage purification unit 5 and a third-stage filter press 6 which are connected in sequence, wherein an outlet of the first-stage purification unit 1 is connected with an inlet pipeline of the first-stage filter press 2, a liquid outlet of the first-stage filter press 2 is connected with an inlet pipeline of the second-stage purification unit 3, an outlet of the second-stage purification unit 3 is connected with an inlet pipeline of the second-stage filter press 4, a liquid outlet of the second-stage filter press 4 is connected with an inlet pipeline of the third-stage purification unit; zinc sulfate solution and zinc powder directly enter a purification working section from the first-stage purification unit 1, and leachate purification is realized through primary purification of the first-stage purification unit 1, primary filter pressing of the first-stage filter press 2, secondary purification of the second-stage purification unit 3, secondary filter pressing of the second-stage filter press 4, tertiary purification of the third-stage purification unit 5 and tertiary filter pressing of the third-stage filter press 6 in sequence, so that the impurity content of the zinc sulfate solution is reduced;
the pulping device also comprises a pulping tank 7, wherein a stirring mechanism 7.1 is arranged in the pulping tank 7, and a stirring driver 7.2 for driving the stirring mechanism 7.1 to rotate is fixed at the top of the pulping tank 7; a liquid inlet 7.3 and a feeding port 7.4 are arranged at the top of the slurrying tank 7, and a discharge port 7.5 is arranged at the bottom end of the slurrying tank 7; the liquid outlet of the first-stage filter press 2 is communicated with a liquid inlet 7.3 through a filtrate pipe 8, and a filtrate control valve 9 is arranged on the filtrate pipe 8; the discharge port 7.5 is communicated with the inlet of the first section of the purification unit 1 through a slurry pipe 10, and slurry control valves 11 and flow meters 12 which are arranged in the front and back are arranged on the slurry pipe 10; part of filtrate discharged by the first-stage filter press 2 is conveyed into a slurrying tank 7 through a filtrate pipe 8, the flow rate of the filtrate pipe 8 can be controlled through a filtrate control valve 9, meanwhile, zinc powder is added into the slurrying tank 7 through a feed inlet 7.4, a stirring mechanism 7.1 is driven to rotate by a stirring driver 7.2, and the zinc powder and the filtrate conveyed by the filtrate pipe 8 are fully mixed and stirred into slurry; then, the slurry is conveyed to an inlet of the first section of purification unit 1 through a slurry pipe 10, the input amount of the slurry can be detected through a flowmeter 12, and the input speed of the slurry can be controlled through a slurry control valve 11; and (4) utilizing.
Example 2: the whole structure is the same as that of embodiment 1, except that, as shown in fig. 2 and fig. 3, the zinc powder weighing system further comprises a zinc powder storage tank 13, an air conveyor 14 and a weighing tank 15, wherein an inlet of the air conveyor 14 is communicated with an outlet of the zinc powder storage tank 13, an outlet of the air conveyor 14 is communicated with an inlet pipeline of the weighing tank 15, and an outlet of the weighing tank 15 is communicated with a feed inlet 7.4 pipeline; the zinc powder storage tank 13 is used for storing zinc powder, the zinc powder in the zinc powder storage tank 13 can be conveyed to the weighing tank 15 through the pneumatic conveyor 14, the putting amount of the zinc powder can be set through the weighing tank 15, when the zinc powder in the weighing tank 15 reaches the set amount, the pneumatic conveyor 14 is closed, and the control valve on the outlet of the weighing tank 15 is opened, so that the zinc powder can be quantitatively put into the slurrying tank 7; the zinc powder feeding process is a totally closed process, so that the problems of dust flying and environmental pollution can be reduced, and the harm to the health of workers is reduced;
the device also comprises a circulating pump 7.6, wherein an inlet of the circulating pump 7.6 is communicated with the bottom of the slurrying tank 7 through a pipeline, and an outlet of the circulating pump 7.6 is communicated with the top of the slurrying tank 7; the circulating pump 7.6 sends the slurry circulating pump at the bottom of the slurrying tank 7 to the top of the slurrying tank, so that circulating stirring is realized, sedimentation at the bottom is prevented, and the stirring uniformity is improved;
the stirring mechanism 7.1 comprises a rotating shaft 7.1.1, an upper spiral blade 7.1.2 and a stirring blade 7.1.3; the top end of the rotating shaft 7.1.1 is rotatably arranged at the top of the slurrying tank 7 in a penetrating way, and an output shaft of the stirring drive 7.2 is in transmission connection with the top end of the rotating shaft 7.1.1; the bottom end of the rotating shaft 7.1.1 extends to the inner bottom of the slurrying tank 7, and an upper rotating helical blade 7.1.2 is fixed outside the rotating shaft 7.1.1 in the slurrying tank 7; a stirring blade 7.1.3 is fixed on the rotating shaft 7.1.1 between the adjacent blades of the upper spiral blade 7.1.2; the stirring driver 7.2 is a motor, and an output shaft of the motor is vertically arranged and coaxially fixed with the top of the rotating shaft; when the stirring driver 7.2 drives the rotating shaft 7.1.1 to rotate, the upward-rotating spiral blade 7.1.2 is driven to rotate upwards, so that the slurry at the bottom of the slurrying tank 7 is stirred upwards, and the rotating shaft 7.1.1 simultaneously drives the stirring blade 7.1.3 to rotate to stir the slurry; the upper spiral blades 7.1.2 are matched with the stirring blades 7.1.3, so that the materials in the slurrying tank 7 can be fully stirred, and the uniform mixing effect is good.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (5)
1. The zinc hydrometallurgy purification system comprises a first-stage purification unit, a first-stage filter press, a second-stage purification unit, a second-stage filter press, a third-stage purification unit and a third-stage filter press which are sequentially connected, and is characterized by further comprising a slurrying tank, wherein a stirring mechanism is arranged in the slurrying tank, and a stirring driver for driving the stirring mechanism to rotate is fixed at the top of the slurrying tank; a liquid inlet and a feeding port are formed in the top of the slurrying tank, and a discharge port is formed in the bottom end of the slurrying tank; the liquid outlet of the first-stage filter press is communicated with the liquid inlet through a filtrate pipe, and a filtrate control valve is arranged on the filtrate pipe; the discharge port is communicated with the inlet of the section of the purification unit through a slurry pipe, and a slurry control valve and a flow meter which are arranged in the front and at the back are arranged on the slurry pipe.
2. The zinc hydrometallurgy purification system of claim 1, further comprising a circulation pump, an inlet of said circulation pump being in communication with a bottom of said slurrification tank via a conduit, an outlet of said circulation pump being in communication with a top of said slurrification tank.
3. The zinc hydrometallurgy purification system of claim 1 or 2, further comprising a zinc powder storage tank, an air conveyor and a weighing tank, wherein an inlet of the air conveyor is communicated with an outlet of the zinc powder storage tank, an outlet of the air conveyor is communicated with an inlet pipeline of the weighing tank, and an outlet of the weighing tank is communicated with the charging port pipeline.
4. The zinc hydrometallurgy purification system of claim 1 or 2, wherein the stirring mechanism comprises a rotating shaft, an upper spiral blade and a stirring blade; the top end of the rotating shaft is rotatably arranged at the top of the slurrying tank in a penetrating manner, and the output shaft driven by stirring is in transmission connection with the top end of the rotating shaft; the bottom end of the rotating shaft extends to the inner bottom of the slurrying tank, and an upper rotating spiral blade is fixed outside the rotating shaft in the slurrying tank; and stirring blades are fixed on the rotating shaft between the adjacent blades of the upper spiral blade.
5. The zinc hydrometallurgy purification system of claim 3, wherein the stirring mechanism comprises a rotating shaft, an upper spiral blade and a stirring blade; the top end of the rotating shaft is rotatably arranged at the top of the slurrying tank in a penetrating manner, and the output shaft driven by stirring is in transmission connection with the top end of the rotating shaft; the bottom end of the rotating shaft extends to the inner bottom of the slurrying tank, and an upper rotating spiral blade is fixed outside the rotating shaft in the slurrying tank; and stirring blades are fixed on the rotating shaft between the adjacent blades of the upper spiral blade.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021973914.3U CN213113435U (en) | 2020-09-10 | 2020-09-10 | Wet zinc smelting purification system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021973914.3U CN213113435U (en) | 2020-09-10 | 2020-09-10 | Wet zinc smelting purification system |
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| CN213113435U true CN213113435U (en) | 2021-05-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021973914.3U Active CN213113435U (en) | 2020-09-10 | 2020-09-10 | Wet zinc smelting purification system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113462893A (en) * | 2021-07-22 | 2021-10-01 | 云南云铜锌业股份有限公司 | Zinc powder wet-adding device and method |
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2020
- 2020-09-10 CN CN202021973914.3U patent/CN213113435U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113462893A (en) * | 2021-07-22 | 2021-10-01 | 云南云铜锌业股份有限公司 | Zinc powder wet-adding device and method |
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