CN105000590B - Chemical combination in a kind of electrolytic zinc technique and efficient filter-pressing device - Google Patents
Chemical combination in a kind of electrolytic zinc technique and efficient filter-pressing device Download PDFInfo
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- CN105000590B CN105000590B CN201510396218.8A CN201510396218A CN105000590B CN 105000590 B CN105000590 B CN 105000590B CN 201510396218 A CN201510396218 A CN 201510396218A CN 105000590 B CN105000590 B CN 105000590B
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Abstract
The invention discloses the chemical combination in a kind of electrolytic zinc technique and efficient filter-pressing device, including inlet pipe, go out pipe, two centrifugal pumps and two filter presses, inlet pipe branch connects pipe once three-way cock and centrifugal pump, and branch two connects pipe through another centrifugal pump and another three-way cock；Two centrifugal pumps are driven by same motor；The upper and lower UNICOM of union in two three-way cock warps；Inlet pipe connects zinc solution chute, and chute has the polycrystalline substance of back taper；Connect pipe after two filter press parallel connections, parallel branch is all provided with control valve；Chute connects steam heating chemical combination bucket.The present invention is ingenious utilizes two three-way cocks, it is achieved that the free handover operation of series and parallel of centrifugal pump, improves efficiency of press filtering, has simple in construction, operates the most error-prone feature；The cone end of chute, is conducive to the output of zinc solution and slag；The ingenious steam utilizing taper-face ring and sieve aperture cylinder ring to constitute of steam heating chemical combination bucket dissolves ring, improves dissolving temperature rise effect, entirely without the interference of noise.
Description
Technical field
The present invention relates to the chemical combination in a kind of electrolytic zinc technique and efficient filter-pressing device.
Background technology
Electrolytic zinc is to carry out zinc ore pulverizing, chemical combination, removal of impurities, carry out the hydrometallurgy process that is electrolysed after allotment again, and wherein chemical combination is exactly by zinc ore powder pulp and add sulfuric acid and carry out the process of chemical reaction in chemical combination bucket.Chemical combination can obtain solubility zinc sulfate, it is simple to carries out the electrolysis procedure in later stage.
At present, the chemical combination bucket volume of commercial application, up to hundreds of cubes, needs during chemical combination chemical combination bucket addition steam to promote that combination reaction is carried out, has both realized the refined of electrolyte, be also beneficial to the efficient electrolysis in later stage.
But chemical combination bucket adds steam realizes solution intensification, if operating by traditional mode, the overall process adding liquid phase intensification at steam has intense noise and vibration, and operator often produces stronger infrasound injury sense.Therefore, change the operator scheme that conventional vapor adds, reduce noise and vibration, eliminate infrasound interference injury, for protection labourer with to improve working environment the most significant.
Chemical combination needs after completing to remove solid slag by press filtration, to obtain the solution needed for electrolysis.Therefore, press filtration very important unit step in being also electrolytic zinc technique.
Press filtration in electrolytic zinc technique, it is typically all plate and frame type filter-press, and select centrifugal pump as filter pressing pump, pressure-filtering process is to obtain filtrate, filter residue progressively runs up to optimal filling degree in filter press simultaneously, carrying out respective handling again, finally complete the circulation operating process of filter residue cleaning, the purpose of press filtration realizes separation of solid and liquid exactly.In the starting stage of press filtration operation, owing to being complete empty in filter press, for filter pressing pump, the biggest flow input carrying out less lift is the ideal operation state of now press filtration operation；But after accumulating in filter press along with filter cake, resistance increases, and has maximum pressure expanded state, therefore, bigger lift can be had to be to optimal requirement by the press filtration performance of filter press in press filtration the second half when particularly terminating close to press filtration.
But in press filtration operates, existing centrifugal pump all cannot adapt to such process automatically, reaches efficient, high-quality ideal operation state.When general centrifugal pump carries out press filtration operation, it is all that press filtration lift in early days is relatively low, but flow is big, makes motor be in overload, is particularly easy to motor damage；To the press filtration middle and later periods, press filtration resistance strengthens rapidly, and the flow quantity of centrifugal pump reduces rapidly, although at this moment motor is operated in the low power state of underloading, but efficiency of press filtering is the lowest；Although filter pressing pump has H-Max output state, but owing to pressing filtering liquid flow is less, it is impossible to give full play to the service behaviour of filter press and improve operating efficiency.
Therefore, centrifugal pump to be made coordinates filter press, the press filtration whole process in electrolytic zinc technique is made all to reach ideal operation state, the optimum performance playing press filtration is difficulty with, if but look for another way, the free switching device using two centrifugal pump series and parallels completes press filtration work so that it is in press filtration in early days by two centrifugal pump parallel connections, it is achieved quickly, low energy consumption, big flow-quantity high-efficiency press filtration；In press filtration, two centrifugal pumps are connected by after-stage, obtain high-lift conveying capacity, after meeting, journey press filtration resistance is big, but still applicable flow can be had to embody efficient press filtration and give full play to the feature of filter press performance, use the pressure filtering technique bottleneck that the such pair of free switching device of centrifugal pump series and parallel breaks through in electrolytic zinc technique, reach the ideal operation state of press filtration, there is the actual application value of particular importance.
Summary of the invention
The technical problem to be solved in the present invention overcomes the deficiencies in the prior art exactly, thering is provided the chemical combination in a kind of electrolytic zinc technique and efficient filter-pressing device, this apparatus structure is simple, practical, and the series and parallel that can realize double centrifugal pump device freely switches, and chemical combination process is tranquil quick, disturb without infrasound.
For overcoming the deficiencies in the prior art, the present invention takes techniques below scheme:
Chemical combination in a kind of electrolytic zinc technique and efficient filter-pressing device, including inlet pipe, go out pipe, two centrifugal pumps and two filter presses, it is characterised in that: two centrifugal pumps are passed through belt transmission by same motor；Inlet pipe branches into two pipelines, and a pipeline connects pipe through three-way cock and centrifugal pump, and another pipeline connects pipe through another centrifugal pump and another three-way cock；The upper and lower UNICOM of union in two three-way cock warps；Inlet pipe connects zinc solution chute, and chute has the polycrystalline substance of back taper；Connect pipe after two filter press parallel connections, two branch roads in parallel are equipped with control valve；Chute connects steam heating chemical combination bucket.
Described steam heating chemical combination bucket includes staving, motor and reductor and shaft, and shaft inserts in staving, and motor and reductor drive shaft to rotate, and shaft is fixed with Double-layer stirring paddle；Being provided with the steam dissolving ring that taper-face ring is constituted with sieve aperture cylinder ring in the middle part of staving, steam pipe front end is fixed on steam and dissolves on ring, and steam pipe exhaust outlet dissolves the internal higher place of ring at steam.
Being provided with spout bottom described staving, spout connects output control valve.
This device passes through swivel tee cock, can realize freely switching of two centrifugal pump series and parallel structures, and the operation of the press filtration in electrolytic zinc technique can be made to reach optimum Working；It is fabulous that steam heating chemical combination bucket dissolves temperature rise effect, tranquil quick, ratio traditional approach environmental protection.
Compared with prior art, beneficial effects of the present invention also resides in:
Switched by the series and parallel of centrifugal pump and reach in electrolytic zinc technique the optimum working performance of centrifugal pump needed for press filtration；The free handover operation of series and parallel of two centrifugal pumps is achieved by the most succinct circuit design and three-way cock；Compared with conventional series and parallel pipeline valve switching device, threeway plug valve can greatly reduce the consumption of pipeline and valve, and simplifies the handover operation of series and parallel, it is to avoid the mistake occurred in common pipe valving series and parallel handoff procedure；The outflow at the chute cone end, beneficially zinc solution of back taper；Two filter press parallel connections are easy to wherein during a filter press cleaning filter residue, and another filter press remains to be normally carried out press filtration；Steam heating chemical combination barrel structure is simple, practical, the ingenious steam utilizing taper-face ring and sieve aperture cylinder ring to constitute dissolves ring, greatly improve the dissolving temperature rise effect of steam, and it is tranquil quick, entirely without steam noise, vibration and infrasonic interference, be conducive to improving the working environment of labourer, be also beneficial to promote the carrying out of combination reaction.
Present configuration is simple, and low cost is practical, has a extensive future.
Accompanying drawing explanation
Fig. 1 is the parallel-connection structure schematic diagram of the present invention.
Fig. 2 is the cascaded structure schematic diagram of the present invention.
Fig. 3 is the planar structure schematic diagram of steam heating chemical combination bucket.
In figure, each label represents:
1, inlet pipe；2, pipe is gone out；3, middle union；4, three-way cock；5, three-way cock；6, centrifugal pump；7, centrifugal pump；24, zinc solution chute；30, filter press；31, motor；32, belt transmission；33, belt transmission；41, motor and reductor；42, shaft；43, paddle；44, staving；45, spout；46, output control valve；47, steam pipe；48, taper-face ring；49, sieve aperture cylinder ring；50, steam pipe exhaust outlet.
Detailed description of the invention
In conjunction with accompanying drawing, the present invention is further elaborated with.
Chemical combination in electrolytic zinc technique and efficiently filter-pressing device as depicted in figs. 1 and 2, including 1, two centrifugal pumps (6,7) of inlet pipe, go out pipe 2 and two filter presses 30, and two centrifugal pumps (6,7) are passed through belt transmission (32,33) by same motor 31；Inlet pipe 1 branches into two pipelines, and a pipeline connects pipe 2 through three-way cock 4 and centrifugal pump 7, and another pipeline connects pipe 2 through another centrifugal pump 6 and another three-way cock 5；Union about 3 UNICOM in two three-way cock 4,5 warps；Inlet pipe 1 connects zinc solution chute 24, and chute 24 has the polycrystalline substance of back taper；Connect pipe 2 after the parallel connection of two filter presses 30, two branch roads in parallel are equipped with control valve；Chute 24 connects steam heating chemical combination bucket.
Described steam heating chemical combination bucket includes staving 44, motor and reductor 41 and shaft 42, and shaft 42 inserts in staving 44, and motor and reductor 41 drive shaft 42 to rotate, and shaft 42 is fixed with Double-layer stirring paddle 43；Being provided with the steam dissolving ring that taper-face ring 48 is constituted with sieve aperture cylinder ring 49 in the middle part of staving 44, steam pipe 47 front end is fixed on steam and dissolves on ring, and steam pipe exhaust outlet 50 dissolves the internal higher place of ring at steam.
Being provided with spout 45 bottom described staving 44, spout 45 connects output control valve 46.
Zinc solution chute can temporarily store the zinc solution after chemical combination and slag, and the slag of the cone end beneficially zinc solution and powder delivers into filter press 30.
Fig. 1 Yu Fig. 2 is same device different conditions, and single motor 31 drives identical two pumps to work by belt 32,33 respectively.The slag of the zinc solution chute cone end beneficially zinc solution and powder delivers into filter press 30.
Fig. 1 is centrifugal pump 6,7 conveying in parallel fluid, and the first branch road of inlet pipe 1 is for connecting centrifugal pump 6, and centrifugal pump 6 goes out the lower end of pipe union three way cock 5, is merged into out pipe 2 from upper end；Second branch road of water inlet pipe 1 is entrance centrifugal pump 7 after union three way cock 4, and pressurized output is incorporated in out pipe 2, it is achieved two branch road two parallel pumps, carries out big flow output, and middle union 3 is blocking state.
After two three-way cocks are operated as shown in Figure 2, first branch road of inlet pipe 1 is for connecting centrifugal pump 6, the centrifugal lower end pumping out pipe union three way cock 5, three-way cock 4 upper end is imported by the output of middle union 3 from left end, centrifugal pump 7 is entered from three-way cock 4 left end, realize double pump series connection, carry out the liquid output of lift superposition.Three-way cock 4 right-hand member constitutes blocking-up to inlet pipe 1, and three-way cock 5 upper end realizes blocking isolation to going out pipe 2.
Manipulate two three-way cock combinations, it is possible to achieve the series and parallel of two centrifugal pumps freely switches, the efficient press filtration operation that the system being allowed to composition can more rationally adapt in electrolytic zinc technique, meet the requirement of electrolytic zinc industry.
Steam heating chemical combination bucket is increased the steam dissolving ring that the taper-face ring 48 of anticorrosion stainless steel making is constituted with sieve aperture cylinder ring 49 by common chemical combination bucket, steam pipe 47 front end is fixed on steam and dissolves on ring, and steam pipe exhaust outlet 50 dissolves the internal higher place of ring at steam.During work, ore pulp is generally below the suitable height of chemical combination bunghole part, and agitator is suitable for rotating speed and rotates, and is pushed down on by two-layer paddle by ore pulp, completes stirring and effectively prevents ore pulp from sinking to the bottom.
Steam heating chemical combination bucket typically uses boiler to provide steam, by Valve controlling steam pipe 47, steam imported steam ring in the middle part of chemical combination bucket, steam pipe exhaust outlet 50 is portion on the upper side in being arranged in taper-face ring 48, steam constitutes steam ring in taper-face ring 48, steam ring top constitutes septate heat transfer by taper-face ring 48 makes solution heat up, internal by also solution being carried out high-efficiency heating to the absorption of liquid phase level mass transfer.After a large amount of steam add, excess steam can be overflowed by sieve aperture cylinder ring 49 dispersing and disintegrating, enters chemical combination bucket microfoam shape and liquid phase effect mass transfer, makes solution heat up；When steam flow is bigger, steam can overflow into chemical combination bucket diffusion inside along membranaceous 49 times by cylinder ring, is also fully contacted liquid phase and constitutes mass transfer and heat up, it is achieved multipath Quick steam spreads by liquid phase scrubbing, reaches chemical combination bucket liquid phase and is rapidly heated purpose.
Steam dissolves with liquid level pressure contact in taper-face ring 48, sieve aperture refinement overflow steam and the liquid phase of cylinder ring 49 realize microfoam shape pressure contact, cylinder ring spread along membranaceous spilling steam for 49 times after once again with liquid phase pressure contact, improve steam dissolved efficiency.The multiple diffusion way of steam dissolves, and has enough areas simultaneously by stirring action, the uniformity of favourable chemical combination temperature within the barrel, completely eliminates noise, vibration and the bad sensation of infrasound interference.
Steam heating chemical combination bucket temperature rise effect is fabulous, tranquil quick, ratio traditional approach environmental protection.
Above-mentioned simply presently preferred embodiments of the present invention, not makees any pro forma restriction to the present invention.Any those of ordinary skill in the art, in the case of without departing from technical solution of the present invention scope, technical solution of the present invention is made many possible variations and modification by the technology contents that all may utilize the disclosure above, or is revised as the Equivalent embodiments of equivalent variations.Therefore, every content without departing from technical solution of the present invention, according to the technology of the present invention essence to any simple modification made for any of the above embodiments, equivalent variations and modification, all should fall in the range of technical solution of the present invention is protected.
Claims (2)
1. the chemical combination in electrolytic zinc technique and efficiently a filter-pressing device, including inlet pipe, go out pipe, two centrifugal pumps and two filter presses, it is characterised in that: two centrifugal pumps are passed through belt transmission by same motor；Inlet pipe branches into two pipelines, and a pipeline connects pipe through three-way cock and centrifugal pump, and another pipeline connects pipe through another centrifugal pump and another three-way cock；The upper and lower UNICOM of union in two three-way cock warps；Inlet pipe connects zinc solution chute, and chute has the polycrystalline substance of back taper；Connect pipe after two filter press parallel connections, two branch roads in parallel are equipped with control valve；Chute connects steam heating chemical combination bucket；Described steam heating chemical combination bucket includes staving, motor and reductor and shaft, and shaft inserts in staving, and motor and reductor drive shaft to rotate, and shaft is fixed with Double-layer stirring paddle；Being provided with the steam dissolving ring that taper-face ring is constituted with sieve aperture cylinder ring in the middle part of staving, steam pipe front end is fixed on steam and dissolves on ring, and steam pipe exhaust outlet dissolves the internal higher place of ring at steam.
Chemical combination in electrolytic zinc technique and efficiently filter-pressing device the most according to claim 1, it is characterised in that: being provided with spout bottom described staving, spout connects output control valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510396218.8A CN105000590B (en) | 2015-07-08 | 2015-07-08 | Chemical combination in a kind of electrolytic zinc technique and efficient filter-pressing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510396218.8A CN105000590B (en) | 2015-07-08 | 2015-07-08 | Chemical combination in a kind of electrolytic zinc technique and efficient filter-pressing device |
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| Publication Number | Publication Date |
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| CN105000590A CN105000590A (en) | 2015-10-28 |
| CN105000590B true CN105000590B (en) | 2016-09-07 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87213415U (en) * | 1987-09-17 | 1988-08-10 | 空军油料研究所 | Series/parallel self-priming type centrifugal pump |
| CN204034360U (en) * | 2014-09-26 | 2014-12-24 | 吉首大学 | Fill rinsing type ore pulp filter press |
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Effective date of registration: 20230817 Address after: 416000 Zhonglingshan Industrial Park, Qianling Town, Baojing County, Xiangxi Tujia and Miao Autonomous Prefecture, Hunan Province Patentee after: Hunan Xuanhua Zinc Industry Co.,Ltd. Address before: 416000 No. 120 Renmin South Road, Jishou City, Xiangxi Tujia and Miao Autonomous Prefecture, Hunan Patentee before: JISHOU University |