CN102728141A - Precise filter device for solution - Google Patents
Precise filter device for solution Download PDFInfo
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- CN102728141A CN102728141A CN2012102496680A CN201210249668A CN102728141A CN 102728141 A CN102728141 A CN 102728141A CN 2012102496680 A CN2012102496680 A CN 2012102496680A CN 201210249668 A CN201210249668 A CN 201210249668A CN 102728141 A CN102728141 A CN 102728141A
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Abstract
The invention relates to a precise filter device for a solution. The precise filter device is composed of two mutually-connected precise filters, wherein a material charge valve is arranged on the first precise filter, a solution discharge valve is arranged on the bottom of the second precise filter, the first precise filter and the second precise filter are connected via a middle valve, and a blowback device and a blowdown valve are arranged on the first precise filter. The multistage precise filters are used for precisely filtering the solution in sequence, and the blowback device is equipped by matching with the precise filters to realize self-cleaning for filter elements; the precise filter device is compact in structure, simple in operation, good in filter effect, and capable of efficiently filtering suspended matters such as fine particles or colloid particles, and improving the safety performance and thermal stability of lithium batteries; and simultaneously, the precise filter device has a self-cleaning function, thus being good for prolonging the life and decreasing use cost. The precise filter device can be widely applied to filtering for various kinds of acid solutions, alkali solutions and solvents, as well as working procedures of refining, purification, impurity removal and the like for the solution.
Description
Technical field
The present invention relates to a kind of filter, is a kind of secondary filter device of solution specifically.
Background technology
Along with developing rapidly of lithium ion battery; Its positive electrode that occupies ion battery cost 40% but becomes the key of battery performance to be formed, at present more widely positive electrode with cobalt acid lithium, LiMn2O4; Ternary material is main; Its positive electrode is that raw and auxiliary material is synthetic through precipitating with cobalt salt, nickel salt, manganese salt and precipitating reagent NaOH, ammonium hydrogencarbonate all, along with lithium ion battery to high-quality pursuit, its material system is then proposed higher quality requirement; The how entering of interception objectionable impurities from the source just becomes the emphasis of lithium battery material quality control.
Existing anode material for lithium-ion batteries relates to dissolving, purification, makes with extra care, operation such as removal of impurities in wet smelting process, and contamination precipitation thing wherein all adopts modes such as filter press, centrifuge, negative pressure leaching to remove; For contamination precipitation thicker good filter effect can be arranged, but the deposition about subparticle diameter 5um penetrates filter cloth easily; Cause solution muddy, not limpid, this suspension is mainly subparticle or colloidal particle, and particle diameter is at 2-5um; Most producer can add flocculant in solution; Build up to reach fine suspension or colloidal particle, but because the adding of flocculant, with bringing other a large amount of impurity into; Be difficult to reach the requirement of battery industry, have influence on security performance, the heat endurance of lithium electricity.
Summary of the invention
In order to solve the deficiency that exists in the anode material for lithium-ion batteries wet smelting process in the prior art; The invention provides a kind of simple in structure, compact, easy to use, safety, good filtration effect; Can effectively filter suspensions such as subparticle or colloidal particle; Improve lithium electricity security performance and heat endurance, have self-cleaning function simultaneously, the secondary filter device of long service life, solution that cost is low.
The technical scheme that the present invention adopts is: a kind of secondary filter device of solution; Form by two accurate filters that are interconnected; First accurate filter is provided with inlet valve; Second accurate filter bottom is provided with liquid valve, and it is characterized in that: be communicated with through intermediate valve between said first and second accurate filter, first accurate filter is provided with back-blowing device and blowoff valve.
Said back-blowing device comprises back-flushing valve and the efficient fine filter of compressed air, and the efficient fine filter of compressed air is communicated with first accurate filter through back-flushing valve.
The top of said first and second accurate filter is equipped with atmospheric valve and Pressure gauge.
Said second accurate filter is provided with sample valve.
The filter core of said first accurate filter is the PE filter core, and the filter core precision is 0.5um.
The filter core of said second accurate filter is the PTFE filter core, and the filter core precision is 0.1um.
The efficient fine filter compressed air pressure of said compressed air 5~10mpa; Fine filter filter core precision is 0.01um.
Inner steel lining PE or the steel lining PO anticorrosion treatment technology of adopting of said first and second accurate filter.
Solution is introduced first accurate filter by inlet valve, through the PE filter element filtering, flow to second accurate filter through intermediate valve, and solution is discharged by liquid valve through the PTFE filter element filtering, adopts the multistage filtering Combination Design, and filtering accuracy is high; First accurate filter is provided with back-blowing device; The compressed air blowback first accurate filter PE filter core that the efficient fine filter of compressed air is handled; The impurity of PE filter element filtering is blown down and discharged by blowoff valve, and PE filter core automatically cleaning helps improving filter effect and filtering accuracy; Prolong filter element life, reduce use cost; The accurate filter anticorrosion treatment technology is steel lining PE or steel lining PO, has very strong corrosion resistant performance, and further extension fixture is safe in utilization with raising service life.
The present invention adopts multistage accurate filter secondary filter solution successively, cooperates accurate filter to carry the automatically cleaning that back-blowing device is realized filter core, its compact conformation; Simple to operate; Good filtration effect can effectively be filtered suspensions such as subparticle or colloidal particle, improves lithium electricity security performance and heat endurance; Has self-cleaning function simultaneously; Help the extension fixture life-span long, reduce use cost, can be widely used in various acid, aqueous slkali, solvent filter, and operations such as refining, the purification of solution, removal of impurities.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the present invention's first accurate filter structural representation;
Fig. 3 is the present invention's second accurate filter structural representation.
Among the figure: the efficient fine filter 1 of compressed air, back-flushing valve 2, the first accurate filters 3, the first atmospheric valves 4, the first Pressure gauges 5; Blowoff valve 6, inlet valve 7, intermediate valve 8, the second accurate filters 9, liquid valve 10; Sample valve 11, the second atmospheric valves 12, the second Pressure gauges 13, PE filter core 14, PTFE filter core 15.
The specific embodiment
Below in conjunction with accompanying drawing the present invention is described further.
Shown in Fig. 1-3, a kind of secondary filter device of solution comprises the efficient fine filter of compressed air 1, back-flushing valve 2, first accurate filter 3, intermediate valve 8 and second accurate filter 9.Be provided with PE filter core 14 in first accurate filter 3; First accurate filter, 3 tops are provided with first atmospheric valve 4 and first Pressure gauge 5; First accurate filter, 3 sidewalls are provided with inlet valve 7 and back-flushing valve 2; Efficient fine filter 1, the first accurate filter of back-flushing valve 2 external compressed airs 3 bottoms are provided with blowoff valve 6; First accurate filter 3 is communicated to second accurate filter 9 through intermediate valve 8; Be provided with PTFE filter core 15 in second accurate filter 9; Second accurate filter, 9 tops are provided with second atmospheric valve 12 and second Pressure gauge 13; Second accurate filter, 9 sidewalls are provided with sample valve 11, the second accurate filters 9 bottoms and are provided with liquid valve 10.
During the work of this device; Solution after first and second accurate filter filters, is closed intermediate valve successively, opens back-flushing valve and the efficient fine filter of compressed air; Opening time is controlled 1-3 second; Operation is 10-20 time continuously, and the filter residue that filters on the PE filter core is fallen down by blowback and discharged by blowoff valve, and self-cleaning filter is accomplished.
Claims (8)
1. the secondary filter device of a solution; Form by two accurate filters that are interconnected; First accurate filter is provided with inlet valve; Second accurate filter bottom is provided with liquid valve, and it is characterized in that: be communicated with through intermediate valve between said first and second accurate filter, first accurate filter is provided with back-blowing device and blowoff valve.
2. the secondary filter device of a kind of solution according to claim 1, it is characterized in that: said back-blowing device comprises back-flushing valve and the efficient fine filter of compressed air, and the efficient fine filter of compressed air is communicated with first accurate filter through back-flushing valve.
3. the secondary filter device of a kind of solution according to claim 1, it is characterized in that: the top of said first and second accurate filter is equipped with atmospheric valve and Pressure gauge.
4. the secondary filter device of a kind of solution according to claim 1, it is characterized in that: said second accurate filter is provided with sample valve.
5. the secondary filter device of a kind of solution according to claim 1, it is characterized in that: the filter core of said first accurate filter is the PE filter core, the filter core precision is 0.5um.
6. the secondary filter device of a kind of solution according to claim 1, it is characterized in that: the filter core of said second accurate filter is the PTFE filter core, the filter core precision is 0.1um.
7. the secondary filter device of the described a kind of solution of root claim 2 is characterized in that: the efficient fine filter compressed air pressure of said compressed air 5~10mpa; Fine filter filter core precision is 0.01um.
8. the secondary filter device of a kind of solution according to claim 1 is characterized in that: inner steel lining PE of employing of said first and second accurate filter or steel lining PO anticorrosion treatment technology.
Priority Applications (1)
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CN201210249668.0A CN102728141B (en) | 2012-07-19 | 2012-07-19 | Precise filter device for solution |
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CN201210249668.0A CN102728141B (en) | 2012-07-19 | 2012-07-19 | Precise filter device for solution |
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CN102728141A true CN102728141A (en) | 2012-10-17 |
CN102728141B CN102728141B (en) | 2014-03-19 |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106621517A (en) * | 2017-02-23 | 2017-05-10 | 佛山市真空泵厂有限公司 | Vacuum solid-liquid separation system |
CN107626145A (en) * | 2017-09-30 | 2018-01-26 | 东莞安默琳机械制造技术有限公司 | Glass grinding fluid ultra-filtration system and its method |
CN107661659A (en) * | 2017-09-30 | 2018-02-06 | 东莞安默琳机械制造技术有限公司 | Cleaner for metal ultra-filtration system and its method |
CN107970676A (en) * | 2017-12-11 | 2018-05-01 | 扬州市康嵩达机电设备有限公司 | Tobacco extract double-cylinder type micro-filtration |
Citations (5)
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CN1087946A (en) * | 1992-12-08 | 1994-06-15 | 丁匀成 | The filter method and the device thereof of muddiness, loss of gloss liquor |
CN2184471Y (en) * | 1994-04-07 | 1994-12-07 | 鹤壁市环保设备总厂 | Environment water purifier |
JP2001077066A (en) * | 1999-09-07 | 2001-03-23 | Hitachi Ltd | Manufacture of semiconductor device and semiconductor manufacturing device |
CN201735225U (en) * | 2010-07-07 | 2011-02-09 | 海宁圣华过滤设备有限公司 | Filter |
CN202724860U (en) * | 2012-07-19 | 2013-02-13 | 江苏凯力克钴业股份有限公司 | Precise filter device for solution |
-
2012
- 2012-07-19 CN CN201210249668.0A patent/CN102728141B/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1087946A (en) * | 1992-12-08 | 1994-06-15 | 丁匀成 | The filter method and the device thereof of muddiness, loss of gloss liquor |
CN2184471Y (en) * | 1994-04-07 | 1994-12-07 | 鹤壁市环保设备总厂 | Environment water purifier |
JP2001077066A (en) * | 1999-09-07 | 2001-03-23 | Hitachi Ltd | Manufacture of semiconductor device and semiconductor manufacturing device |
CN201735225U (en) * | 2010-07-07 | 2011-02-09 | 海宁圣华过滤设备有限公司 | Filter |
CN202724860U (en) * | 2012-07-19 | 2013-02-13 | 江苏凯力克钴业股份有限公司 | Precise filter device for solution |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106621517A (en) * | 2017-02-23 | 2017-05-10 | 佛山市真空泵厂有限公司 | Vacuum solid-liquid separation system |
CN107626145A (en) * | 2017-09-30 | 2018-01-26 | 东莞安默琳机械制造技术有限公司 | Glass grinding fluid ultra-filtration system and its method |
CN107661659A (en) * | 2017-09-30 | 2018-02-06 | 东莞安默琳机械制造技术有限公司 | Cleaner for metal ultra-filtration system and its method |
CN107970676A (en) * | 2017-12-11 | 2018-05-01 | 扬州市康嵩达机电设备有限公司 | Tobacco extract double-cylinder type micro-filtration |
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CN102728141B (en) | 2014-03-19 |
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Address after: 225400 No. 8 Binjiang North Road, Taixing Economic Development Zone, Jiangsu Patentee after: Grammy (Jiangsu) cobalt industry Limited by Share Ltd Address before: 225400 Taixing Economic Development Zone, Jiangsu, Binjiang, North Road, No. 8, No. Patentee before: Jiangsu Cobalt Nickel Metal Co., Ltd. |
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