CN219377011U - Automatic lime milk adding system for zinc hydrometallurgy - Google Patents
Automatic lime milk adding system for zinc hydrometallurgy Download PDFInfo
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- CN219377011U CN219377011U CN202320641742.7U CN202320641742U CN219377011U CN 219377011 U CN219377011 U CN 219377011U CN 202320641742 U CN202320641742 U CN 202320641742U CN 219377011 U CN219377011 U CN 219377011U
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- lime milk
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- adding system
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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Abstract
The utility model relates to an automatic lime milk adding system for zinc hydrometallurgy, and belongs to the technical field of zinc ore smelting. The zinc hydrometallurgy lime milk automatic adding system comprises a lime bin, a plastic plate dust remover, a star-shaped feeder, a screw conveyor, a stirring tank, a stirrer, a water inlet pipe, a lime milk conveying pipe, a control system and a vibration activation hopper; lime feed bin pass through feed bin support and support the installation to the intercommunication has the inlet pipe, moulds the top of burn board dust remover at the lime feed bin, and the bottom of lime feed bin is conical structure, through star batcher intercommunication screw conveyer, screw conveyer's export intercommunication stirred tank is provided with the mixer in the stirred tank, and the intercommunication is installed inlet tube and lime milk conveyer pipe. The utility model adopts the automatic adding device, so that dust flying is effectively controlled, the influence of flying dust on the environment and the body health is reduced, and the labor intensity of workers is reduced.
Description
Technical Field
The utility model belongs to the technical field of zinc ore smelting, and particularly relates to an automatic lime milk adding system for zinc hydrometallurgy.
Background
In the zinc wet smelting process, raw lime milk is prepared by manually pouring bagged lime (25 kg) into a lime stirring barrel for pulping, and then conveying the bagged lime to a middle leaching and acid leaching process by a pump.
Therefore, it is necessary to provide an automatic zinc hydrometallurgy lime milk adding system, which reduces the influence of dust on the environment and the body health and reduces the labor intensity of workers.
Disclosure of Invention
In order to overcome the problems in the background technology, the utility model provides an automatic adding system for zinc hydrometallurgy lime milk, which adopts an automatic adding device to effectively control dust flying, reduce the influence of flying dust on the environment and the body health and reduce the labor intensity of workers.
In order to achieve the above purpose, the utility model is realized by the following technical scheme:
the utility model provides an automatic lime milk adding system for zinc hydrometallurgy, which comprises a lime bin 1, a plastic plate dust remover 2, a star feeder 3, a screw conveyor 4, a stirring tank 5, a stirrer 6, a water inlet pipe 7, a lime milk conveying pipe 8, a control system and a vibration activation hopper 11; the lime feed bin 1 support the installation through feed bin support 9 to the intercommunication has inlet pipe 10, moulds the top of burn board dust remover 2 installation at lime feed bin 1, and lime feed bin 1's bottom is conical structure, communicates screw conveyer 4 through star feeder 3, screw conveyer 4's export intercommunication stirred tank 5, is provided with agitator 6 in the stirred tank 5, and the intercommunication is installed inlet tube 7 and lime milk conveyer pipe 8.
The lime bin 1 is characterized in that a vibration activation hopper 11 is arranged between the bottom of the lime bin 1 and the star feeder 3, the vibration activation hopper 11 is internally provided with an arch breaking and flow assisting block remover 12, and a control system is respectively and electrically connected with the plastic plate dust remover 2, the star feeder 3, the screw conveyor 4, the stirrer 6 and the vibration activation hopper 11.
Preferably, the lime bin 1 is provided with a pressure vacuum release valve 13.
Preferably, the side surface of the lime storage bin 1 is provided with a climbing ladder 14 communicated with the top of the lime storage bin 1.
Preferably, a bin top radar level gauge 15 is arranged at the top of the lime bin 1, a material level detector 16 is arranged at the upper part of the screw conveyor 4, a stirring bin level gauge 17 is arranged at the top of the stirring tank 5, and the bin top radar level gauge 15, the material level detector 16 and the stirring bin level gauge 17 are respectively and electrically connected with a control system.
Preferably, the screw conveyor 4 is provided with a weighing sensor, and the weighing sensor and a control motor of the screw conveyor 4 are respectively and electrically connected with the control system.
Preferably, the water inlet pipe 7 is provided with a water inlet electromagnetic flowmeter 18 and a water inlet electric regulating valve 19.
Preferably, the lime milk conveying pipe 8 is communicated with the stirring tank 5 and the flow adding point, one end of the lime milk conveying pipe, which is positioned in the stirring tank 5, is provided with a submerged pump 20, and the lime milk conveying pipe 8 is provided with a lime milk electromagnetic flowmeter 21 and a lime milk electric regulating valve 22.
Preferably, the flow adding points comprise an acid leaching chute 23 and a middle leaching chute 24, and the lime milk conveying pipe 8 is respectively communicated with the acid leaching chute 23 and the middle leaching chute 24.
The utility model has the beneficial effects that:
(1) The dust flying is effectively controlled, and the influence of the flying dust on the environment and the health is reduced: lime powder conveyed by a lime tank truck is conveyed into a lime bin by positive pressure of compressed air through a feed pipe, a plastic-burning plate dust remover operates in the conveying process, the plastic-burning plate dust remover is arranged at the top of the lime bin, a dust air chamber of the plastic-burning plate dust remover is communicated with the upper part of the lime bin, after the positive pressure conveyed gas and lime powder enter the lime bin, the plastic-burning plate dust remover separates the gas from the lime powder, negative pressure is ensured in the lime bin, the gas is discharged through a fan outlet after the dust is filtered by the plastic-burning plate, the lime dust is filtered to the surface of the plastic-burning plate, a control system controls the electromagnetic valve of the plastic-burning plate dust remover to enable the lime dust to fall into the lime bin at regular time, and dust flying is effectively controlled;
(2) Prevent overfeeding, prevent that the feed bin from holding down the pressure, prevent to damage the feed bin main part, avoid extravagant, reduce the energy consumption: the lime quantity is conveyed to monitor the lime bin level through a bin top radar level gauge, so that excessive feeding is prevented; the pressure vacuum release valve is additionally arranged on the top of the lime bin, so that the lime bin body is prevented from being damaged under the condition that the permeability of the plastic-sintered plate dust remover is not good;
(3) The discharging is controlled by a screw conveyor and a control system, and the quantitative feeding is automatically controlled to achieve the quantitative feeding of lime: after the feeding process is finished, the upper part of a bin bottom discharging opening vibration activation hopper is connected with a conical barrel section of the lime bin, a lower discharging opening is connected with a screw conveyor hopper, an expansion joint is additionally arranged in the middle of the hopper, discharging of the vibration activation hopper is controlled by a screw conveyor controller connected with the screw conveyor, a material level detector is additionally arranged at the upper part of the screw conveyor hopper, the material level is lower than a limited material level, and the vibration activation hopper automatically operates to convey lime in the lime bin to the screw conveyor hopper;
(4) The lime milk electromagnetic flowmeter and the lime milk electric regulating valve are arranged at the process adding point pipeline for automatic control and quantitative feeding, and the lime milk adding amount in the process flow is reasonably controlled and optimized: after lime is quantitatively conveyed to the stirring tank, the stirring machine is operated to slurry lime, water is automatically and quantitatively added into the stirring tank through the water inlet electric regulating valve and the water inlet electromagnetic flowmeter in the slurry process, the submerged pump is operated to convey lime milk to a flow adding point through a pipeline, and the flow adding point is provided with the lime milk electromagnetic flowmeter and the lime milk electric regulating valve.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
In the figure, a 1-lime bin, a 2-plastic plate dust remover, a 3-star feeder, a 4-screw conveyor, a 5-stirring tank, a 6-stirrer, a 7-water inlet pipe, an 8-lime milk conveying pipe, a 9-bin bracket, a 10-material inlet pipe, an 11-vibration activation hopper, a 12-arch breaking and flow assisting block remover, a 13-pressure vacuum release valve, a 14-climbing ladder, a 15-bin top radar level gauge, a 16-material level detector, a 17-stirring bin level gauge, an 18-water inlet electromagnetic flowmeter, a 19-water inlet electric regulating valve, a 20-submerged pump, a 21-lime milk electromagnetic flowmeter, a 22-lime milk electric regulating valve, a 23-acid leaching chute and a 24-middle leaching chute.
Description of the embodiments
In order to make the objects, technical solutions and advantageous effects of the present utility model more apparent, preferred embodiments of the present utility model will be described in detail below with reference to the accompanying drawings, so as to facilitate understanding of the skilled person.
As shown in fig. 1, the zinc hydrometallurgy lime milk automatic adding system comprises a lime bin 1, a plastic plate dust remover 2, a star feeder 3, a screw conveyor 4, a stirring tank 5, a stirrer 6, a water inlet pipe 7, a lime milk conveying pipe 8, a control system and a vibration activation hopper 11; the lime bin 1 is supported and installed through the bin bracket 9 and is communicated with the feed pipe 10, the plastic-burning plate dust remover 2 is installed at the top of the lime bin 1, lime powder conveyed by the lime tank truck is conveyed into the lime bin 1 through the feed pipe 10 by utilizing compressed air positive pressure, the plastic-burning plate dust remover 2 operates in the conveying process, the plastic-burning plate dust remover 2 is installed at the top of the lime bin 1, a dust air chamber of the plastic-burning plate dust remover 2 is communicated with the upper part of the lime bin 1, gas and lime powder conveyed by the positive pressure enter the lime bin 1, the plastic-burning plate dust remover 2 separates the gas from the lime powder, negative pressure is ensured in the lime bin 1, the gas is discharged through a fan outlet after the dust is filtered by the plastic-burning plate, the lime dust is filtered to the surface of the plastic-burning plate dust remover 2, the electromagnetic valve lime dust of the control system is controlled to fall into the lime bin 1 at regular time, and flying dust is effectively controlled.
The bottom of the lime bin 1 is of a conical structure, the lime bin is communicated with the screw conveyor 4 through the star feeder 3, an outlet of the screw conveyor 4 is communicated with the stirring tank 5, a vibration activation hopper 11 is arranged between the bottom of the lime bin 1 and the star feeder 3, the vibration activation hopper 11 is arranged in the arch breaking and flow-assisting block remover 12, a material level detector 16 is arranged at the upper part of the screw conveyor 4, and a control system is respectively and electrically connected with the plastic-burning plate dust remover 2, the star feeder 3, the screw conveyor 4, the stirrer 6, the vibration activation hopper 11 and the material level detector 16; after the feeding process is finished, the upper part of a bin bottom blanking opening vibration activation hopper 11 is connected to a conical barrel section of the lime bin 1, a lower discharging opening is connected with a hopper of the screw conveyor 4, an expansion joint is additionally arranged in the middle of the lower discharging opening, blanking of the vibration activation hopper 11 is controlled by a screw conveyor controller connected with the screw conveyor 4, a material level detector 16 is additionally arranged on the upper part of the bin of the screw conveyor 4, the material level is lower than a limited material level, the vibration activation hopper 11 automatically operates to convey lime in the lime bin 1 to the bin of the screw conveyor 4, a weighing sensor is arranged on the screw conveyor 4, a control motor of the weighing sensor and a control motor of the screw conveyor 4 are respectively electrically connected with a control system, and after the feeding amount is set, the screw conveyor 4 is controlled by controlling the motor frequency of the screw conveyor 4, so that quantitative conveying of lime is achieved.
The vibration activation hopper 11 has good arch breaking performance, can realize arch breaking and continuous and uniform discharging for various powdery and granular materials in the lime bin 1, and can eliminate segregation phenomenon of mixed materials with different granularity and different specific gravity when entering the bin. The device has the advantages of simple structure, reliable operation, stable operation, low noise, less power consumption, long service life, small maintenance workload and large adjustment range of productivity, can realize complete sealing and conveying, and does not cause dust to be raised and pollute the environment.
The special wave-shaped plastic plate filter core is adopted to replace the traditional cloth bag in the plastic plate dust remover 2, and the plastic plate is of a rigid structure, cannot deform and has no framework abrasion, so that the service life is long, and under some working conditions, the service life of the plastic plate dust remover is more than 10 times that of the cloth bag, and the surface of the plastic plate is subjected to deep treatment, so that the plastic plate dust remover has fine and uniform pore diameter, hydrophobicity and is difficult to adhere to dust with higher water content. In addition, because the high-precision process manufacturing of the plastic plate keeps uniform micron-sized aperture, superfine dust and high-concentration dust can be treated, the inlet concentration of the bag dust collector is generally less than 20g/m3, and the inlet concentration of the plastic plate dust collector can reach 500g/m3. It can simplify the secondary dust collection into the primary dust collection, and has the advantages of convenient process, reduced cost, energy consumption and reduced occupied area and space pipeline.
The stirring tank 5 is internally provided with a stirrer 6 and is communicated with a water inlet pipe 7 and a lime milk conveying pipe 8, the top of the stirring tank 5 is provided with a stirring bin liquid level meter 17, the stirring bin liquid level meter 17 is electrically connected with a control system, the stirring bin liquid level meter 17 transmits the liquid level condition in the stirring tank 5 to the control system in real time, the water inlet electromagnetic flowmeter 18 and the water inlet electric regulating valve 19 are arranged on the water inlet pipe 7, the lime milk conveying pipe 8 is communicated with the stirring tank 5 and a flow adding point, one end of the lime milk conveying pipe 8 in the stirring tank 5 is provided with a submerged pump 20, the lime milk conveying pipe 8 is provided with a lime milk electromagnetic flowmeter 21 and a lime milk electric regulating valve 22, the flow adding point comprises an acid leaching chute 23 and a middle leaching chute 24, the lime milk conveying pipe 8 is respectively communicated with the acid leaching chute 23 and the middle leaching chute 24, and the water inlet electromagnetic flowmeter 18, the water inlet electric regulating valve 19, the lime milk electromagnetic flowmeter 21 and the lime milk electric regulating valve 22 are respectively electrically connected with the control system; after lime is quantitatively conveyed to the stirring tank 5, the stirring machine 6 is operated to slurry lime, in the slurry process, water is automatically controlled to be quantitatively added into the stirring tank 5 through the water inlet electric regulating valve 19 and the water inlet electromagnetic flowmeter 18, the submerged pump 20 is operated to convey lime milk to a process adding point through a pipeline, the lime milk electromagnetic flowmeter 21 and the lime milk electric regulating valve 22 are arranged at the process adding point through pipelines, a control system receives flow signals from the water inlet electromagnetic flowmeter 18 and the lime milk electromagnetic flowmeter 21, and the water inlet electric regulating valve 19 and the lime milk electric regulating valve 22 are controlled to control water inlet and lime milk conveying amount.
The lime bin 1 is provided with a pressure vacuum release valve 13, the side surface of the lime bin 1 is provided with a crawling ladder 14 communicated with the top of the lime bin 1, the top of the lime bin 1 is provided with a bin top radar level gauge 15, and the amount of lime is conveyed to monitor the material level of the lime bin through the bin top radar level gauge 15, so that overfeeding is prevented; the pressure vacuum release valve 13 is added on the top of the lime bin to prevent the lime bin 1 from being pressed and damage the main body of the lime bin 1 under the condition that the permeability of the plastic-sintered plate dust remover 2 is not good.
Finally, it is noted that the above-mentioned preferred embodiments illustrate rather than limit the utility model, and that, although the utility model has been described in detail with reference to the above-mentioned preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the scope of the utility model as defined by the appended claims.
Claims (8)
1. An automatic lime milk adding system for zinc hydrometallurgy is characterized in that: the zinc hydrometallurgy lime milk automatic adding system comprises a lime bin (1), a plastic plate dust remover (2), a star feeder (3), a screw conveyor (4), a stirring tank (5), a stirrer (6), a water inlet pipe (7), a lime milk conveying pipe (8), a control system and a vibration activation hopper (11); the lime bin (1) is supported and installed through a bin bracket (9) and is communicated with a feed pipe (10), the plastic-sintered plate dust remover (2) is installed at the top of the lime bin (1), the bottom of the lime bin (1) is of a conical structure, the lime bin is communicated with a spiral conveyor (4) through a star-shaped feeder (3), an outlet of the spiral conveyor (4) is communicated with a stirring tank (5), a stirrer (6) is arranged in the stirring tank (5), and a water inlet pipe (7) and a lime milk conveying pipe (8) are installed in a communicating manner;
the lime bin (1) bottom and star feeder (3) between install vibration activation hopper (11), set up in broken arch and help a class clear stifled ware (12) in vibration activation hopper (11), control system respectively with mould roast board dust remover (2), star feeder (3), screw conveyer (4), mixer (6), vibration activation hopper (11) electric connection.
2. The automatic zinc hydrometallurgical lime cream adding system according to claim 1, wherein: the lime bin (1) is provided with a pressure vacuum release valve (13).
3. An automatic zinc hydrometallurgical lime milk adding system according to claim 1 or 2, wherein: the side of lime feed bin (1) be provided with cat ladder (14) of intercommunication lime feed bin (1) storehouse top.
4. An automatic zinc hydrometallurgical lime milk adding system according to claim 1 or 2, wherein: the lime bin (1) top be provided with storehouse top radar level gauge (15), screw conveyer (4) upper portion is provided with material level detector (16), stirred tank (5) top is provided with stirring storehouse level gauge (17), storehouse top radar level gauge (15), material level detector (16) and stirring storehouse level gauge (17) respectively with control system electric connection.
5. An automatic zinc hydrometallurgical lime milk adding system according to claim 1 or 2, wherein: the screw conveyor (4) is provided with a weighing sensor, and the weighing sensor and a control motor of the screw conveyor (4) are respectively and electrically connected with a control system.
6. An automatic zinc hydrometallurgical lime milk adding system according to claim 1 or 2, wherein: the water inlet pipe (7) is provided with a water inlet electromagnetic flowmeter (18) and a water inlet electric regulating valve (19).
7. An automatic zinc hydrometallurgical lime milk adding system according to claim 1 or 2, wherein: the lime milk conveying pipe (8) is communicated with the stirring tank (5) and the flow adding point, one end of the lime milk conveying pipe, which is positioned in the stirring tank (5), is provided with a submerged pump (20), and the lime milk conveying pipe (8) is provided with a lime milk electromagnetic flowmeter (21) and a lime milk electric regulating valve (22).
8. The automatic zinc hydrometallurgical lime cream adding system according to claim 7, wherein: the flow adding point comprises an acid leaching chute (23) and a middle leaching chute (24), and the lime milk conveying pipe (8) is respectively communicated with the acid leaching chute (23) and the middle leaching chute (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320641742.7U CN219377011U (en) | 2023-03-28 | 2023-03-28 | Automatic lime milk adding system for zinc hydrometallurgy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320641742.7U CN219377011U (en) | 2023-03-28 | 2023-03-28 | Automatic lime milk adding system for zinc hydrometallurgy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219377011U true CN219377011U (en) | 2023-07-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320641742.7U Active CN219377011U (en) | 2023-03-28 | 2023-03-28 | Automatic lime milk adding system for zinc hydrometallurgy |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219377011U (en) |
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2023
- 2023-03-28 CN CN202320641742.7U patent/CN219377011U/en active Active
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