CN102274843A - Cleaning method for package barrel for electrolyte for lithium ion battery - Google Patents
Cleaning method for package barrel for electrolyte for lithium ion battery Download PDFInfo
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- CN102274843A CN102274843A CN2011101410353A CN201110141035A CN102274843A CN 102274843 A CN102274843 A CN 102274843A CN 2011101410353 A CN2011101410353 A CN 2011101410353A CN 201110141035 A CN201110141035 A CN 201110141035A CN 102274843 A CN102274843 A CN 102274843A
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- pail pack
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- package barrel
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Abstract
The invention provides a cleaning method for a package barrel for an electrolyte for lithium ion battery, the cleaning method is characterized by comprising the following steps of: 1) collecting residual liquid: pressure is supplemented to the internal of the package barrel, and the residual liquid in the package barrel is collected via a special conduit quick 4P joint; 2) opening a cover: pressure in the barrel is emptied via a quick 2P joint of the package barrel, and a top sealed flange is opened; 3) cleaning: the package barrel is inversely covered on each rotating nozzle, a nozzle valve is opened, a water pump is started, and spray cleaning is performed successively via tap water and distilled water; 4) controlling water: after cleaning, water is controlled in 1-3 hours and the package barrel is kept in an inverted state; 5) tightening the cover; and 6) drying: gas source is turned off after blowing the package barrel in 6-20 hours with nitrogen with a dew point of -30 DEG C to 50 DEG C, a purity of 99.5% to 99.99%, and a temperature of 5 DEG C to 50 DEG C via the package barrel quick joints, and after the package barrel is qualified via the detection, pressure maintaining is performed for the package barrel for use.
Description
Technical field
The present invention relates to the equipment cleaning technique, be a kind of pail pack cleaning method of liquid Organic Chemicals, particularly a kind of cleaning method of electrolyte for lithium ion battery pail pack.
Background technology
Operating voltage height, energy density big (in light weight), self-discharge rate are low because of having for lithium ion battery, memory-less effect, advantage such as have extended cycle life, since throwing in market development rapidly, replacement nickel hydrogen battery and occupied leading position progressively in mobile electronic terminal apparatus field such as notebook computer, mobile phone, video cameras.Rely on the comprehensive advantage of himself coming into a more huge industrial colony---electrokinetic cell field in recent years.
The fast development of lithium ion battery has driven the associated batteries Development of Materials.Electrolyte is one of lithium ion battery four big critical materials (positive pole, negative pole, barrier film, electrolyte), is known as " blood " of lithium ion battery, is the assurance that lithium ion battery obtains advantages such as high voltage, high specific energy.
Chinese electrolyte for lithium ion battery aggregate demand was about 1.6 ten thousand tons in 2010, and 15% growth per year estimates that demand in 2011 reaches 1.8 ten thousand tons, and traditional lithium ion battery market demand electrolyte was 2.1 ten thousand tons to 2012.
The water of trace, free acid directly cause electrolytical decomposition in the electrolyte for lithium ion battery, a nearly step is caused the battery pole piece corrosion, thereby have a strong impact on the performance of battery performance, therefore moisture and free acid content are controlled in electrolyte strictness in production and use, and general industry is controlled at below the 10PPM.This brings challenges just for the packing of electrolyte and the cleaning of packing vessel.
The packing method commonly used of current electrolysis liquid is with 200 kilograms stainless steel pail pack airtight package, 200 kilograms stainless steel airtight package bucket is favored by numerous clients deeply because material is difficult for burn into good seal performance, intensity height, packed and transported is convenient, also be at present preferable, be applicable to the container of domestic lithium electricity industry as the electrolyte for lithium ion battery packing of product.In order to reduce production costs, improve product profit, present Chinese state electrolyte inside manufacturer is all at the stainless steel electrolytic liquid pail pack that recycles 200 kilograms.And in order to make pail pack reach recycling purpose, its cleaning technique yet there are no report.
In conjunction with actual production working experience for many years, design a cover electrolyte for lithium ion battery pail pack cleaning device and utilized the cleaning method of this device, solved the recycling cleaning problem of electrolyte pail pack effectively, present this Apparatus and method for is able to fine utilization, packing of product quality has reached Expected Results in enterprise's electrolyte pail pack cleaning.
Summary of the invention
The object of the present invention is to provide a kind of electrolyte for lithium ion battery pail pack cleaning method, utilize the pail pack after the method is cleaned, can effectively guarantee product quality.
The present invention is a kind of cleaning method of electrolyte for lithium ion battery pail pack, it is characterized in that may further comprise the steps process:
(1) raffinate is collected: ftercompction in pail pack, by the quick 4P joint of pail pack raffinate in the pail pack is collected (the new packing bucket can save this operation) with dedicated conduits.
(2) uncap: by the quick 2P joint emptying bucket internal pressure of pail pack, the airtight flange in top of the bucket of unpacking.
(3) clean: 6～30 pail packs are tipped upside down on respectively on each rotary nozzle, open the shower nozzle valve that is buckled with pail pack, start water pump, used the running water hydro-peening successively 5～30 minutes, the distilled water hydro-peening switched off the pump after 0.1～5 minute.
(4) control water: cleaning finishes, and keeps handstand state control water 1～3 hour.
(5) tight lid: control water finishes, and screws the pail pack blind flange with the startup spanner.
(6) drying: with dew point be-30 ℃～50 ℃, and purity is 99.5%～99.99%, temperature be 5 ℃～50 ℃ nitrogen by the pail pack fast joint, blow row and close source of the gas after 6～20 hours, detect that to get final product pressurize after qualified stand-by.
Cleaning method as described in the present invention is characterized in that washing lotion can select running water, distilled water, alcohol, other organic solvent such as dimethyl carbonate as required.
Cleaning method is characterized in that whole hydro-peening process as described in the present invention, and running water and distilled water are to automatically switch by time relay control operated pneumatic valve by the time of setting.
Cleaning method is to control according to the dew point uniformity of outlet source of the gas and import source of the gas when it is characterized in that blowing the barrel knot bundle as described in the present invention.
Cleaning method is characterized in that this cleaning method can be applied to any the do not tie liquid state of wall or the cleaning of granular material pail pack as described in the present invention.
The invention has the advantages that water saving, energy-conservation, technology, equipment is simple, easy to operate, be easy to industrial worker at the production line's operation.This pail pack cleaning method has clear superiority with respect to original airtight solvent clean or the purging method of opening running water.At first on the hydro-peening mode: this cleaning method adopts hydro-peening to replace flushing, has avoided a large amount of solvent or running water wastes.Because adopt time set and automatic control handoff technique, the employee has realized a key control in the hydro-peening process, and is easy to operate.Owing to blowing row, dry run, adopt dew point to control scheme and not only guaranteed that pail pack dries up but also save energy.
The specific embodiment
The present invention is described in further detail below in conjunction with the specific embodiment:
During cleaning, have earlier the stainless steel flexible hose of snap joint, derive raffinate in the pail pack,,, take off sealing flange with the pneumatic impact spanner pail pack top flange holding screw of outwarding winding with the interior residual voltage of special-purpose snap joint emptying bucket with two ends.
Embodiment 1:
10 pail packs are tipped upside down on rotation to be cleaned on the shower nozzle, start the hydro-peening booster water pump, running water hydro-peening 10 minutes, distilled water hydro-peening 1 minute, control water is after 1 hour, upright pail pack, ajusting blind flange, screw holding screw, is-30 ℃ with dew point then, purity is 99.5%, temperature is that 10 ℃ nitrogen passes through the air inlet of pail pack charging aperture, and gas vent is given vent to anger, and blows row and closes the source of the gas complete operation after 20 hours.With dew point in the dew point analyzer detection pail pack is-29.7 ℃.
Embodiment 2:
10 pail packs are tipped upside down on rotation to be cleaned on the shower nozzle, start the hydro-peening booster water pump, running water hydro-peening 20 minutes, distilled water hydro-peening 2 minutes, control water is after 2 hours, upright pail pack, ajusting blind flange, screw holding screw, is-40 ℃ with dew point then, purity is 99.9%, temperature is that 20 ℃ nitrogen passes through the air inlet of pail pack charging aperture, and gas vent is given vent to anger, and blows row and closes the source of the gas complete operation after 12 hours.With dew point in the dew point analyzer detection pail pack is-35.2 ℃.
Embodiment 3:
10 pail packs are tipped upside down on rotation to be cleaned on the shower nozzle, start the hydro-peening booster water pump, running water hydro-peening 30 minutes, distilled water hydro-peening 5 minutes, control water is after 3 hours, upright pail pack, ajusting blind flange, screw holding screw, is-50 ℃ with dew point then, purity is 99.9%, temperature is that 30 ℃ nitrogen passes through the air inlet of pail pack charging aperture, and gas vent is given vent to anger, and blows row and closes the source of the gas complete operation after 6 hours.With dew point in the dew point analyzer detection pail pack is-39.4 ℃.
Claims (5)
1. the cleaning method of an electrolyte for lithium ion battery pail pack is characterized in that, may further comprise the steps process:
1) raffinate is collected: ftercompction in pail pack, raffinate in the pail pack to be collected by the quick 4P joint of pail pack with dedicated conduits, and the new packing bucket saves this operation;
2) uncap: by the quick 2P joint emptying bucket internal pressure of pail pack, the airtight flange in top of the bucket of unpacking;
3) clean: 6～30 pail packs are tipped upside down on respectively on each rotary nozzle, open the shower nozzle valve that is buckled with pail pack, start water pump, used the running water hydro-peening successively 5～30 minutes, the distilled water hydro-peening switched off the pump after 0.1～5 minute;
4) control water: cleaning finishes, and keeps handstand state control water 1～3 hour;
5) tight lid: control water finishes, and screws the pail pack blind flange with the startup spanner;
6) drying: with dew point be-30 ℃～50 ℃, and purity is 99.5%～99.99%, temperature be 5 ℃～50 ℃ nitrogen by the pail pack fast joint, blow row and close source of the gas after 6～20 hours, detect that to get final product pressurize after qualified stand-by.
2. cleaning method as claimed in claim 1 is characterized in that washing lotion can select running water as required, distilled water, perhaps alcohol, dimethyl carbonate organic solvent.
3. cleaning method as claimed in claim 1 is characterized in that whole hydro-peening process, and running water and distilled water are to automatically switch by time relay control operated pneumatic valve by the time of setting.
4. cleaning method as claimed in claim 1 is to control according to the dew point uniformity of outlet source of the gas and import source of the gas when it is characterized in that blowing the barrel knot bundle.
5. cleaning method as claimed in claim 1 is characterized in that, this cleaning method is applied to any the do not tie liquid state of wall or the cleaning of granular material pail pack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101410353A CN102274843A (en) | 2011-05-30 | 2011-05-30 | Cleaning method for package barrel for electrolyte for lithium ion battery |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101410353A CN102274843A (en) | 2011-05-30 | 2011-05-30 | Cleaning method for package barrel for electrolyte for lithium ion battery |
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| CN102274843A true CN102274843A (en) | 2011-12-14 |
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| CN2011101410353A Pending CN102274843A (en) | 2011-05-30 | 2011-05-30 | Cleaning method for package barrel for electrolyte for lithium ion battery |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102952955A (en) * | 2012-11-11 | 2013-03-06 | 新疆科源化工有限公司 | Method for cleaning lithium cleaner |
| CN104143667A (en) * | 2013-08-23 | 2014-11-12 | 中航锂电（洛阳）有限公司 | Method and device for collection of waste lithium ion battery electrolyte solution |
| CN105855255A (en) * | 2015-01-22 | 2016-08-17 | 天津金牛电源材料有限责任公司 | Cleaning method for lithium ion battery electrolyte packing barrel |
| CN107626699A (en) * | 2017-09-20 | 2018-01-26 | 宁德市凯欣电池材料有限公司 | Electrolyte bucket cleaning |
| CN112337922A (en) * | 2020-11-02 | 2021-02-09 | 宁波格劳博智能工业有限公司 | Full-automatic cleaning system for inner wall and outer wall of lithium battery electrolyte packaging barrel |
| CN112371675A (en) * | 2020-11-02 | 2021-02-19 | 宁波格劳博智能工业有限公司 | Full-automatic cleaning and detecting production line for lithium battery electrolyte packaging barrel |
| CN112629238A (en) * | 2020-12-04 | 2021-04-09 | 张家港市国泰华荣化工新材料有限公司 | Water removal method for electrolyte barrel |
| CN116060397A (en) * | 2023-03-24 | 2023-05-05 | 江苏尚纯自动化技术有限公司 | Method and device for cleaning electrolyte storage barrel |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102952955A (en) * | 2012-11-11 | 2013-03-06 | 新疆科源化工有限公司 | Method for cleaning lithium cleaner |
| CN102952955B (en) * | 2012-11-11 | 2014-04-30 | 新疆科源化工有限公司 | Method for cleaning lithium cleaner |
| CN104143667A (en) * | 2013-08-23 | 2014-11-12 | 中航锂电（洛阳）有限公司 | Method and device for collection of waste lithium ion battery electrolyte solution |
| CN105855255A (en) * | 2015-01-22 | 2016-08-17 | 天津金牛电源材料有限责任公司 | Cleaning method for lithium ion battery electrolyte packing barrel |
| CN107626699A (en) * | 2017-09-20 | 2018-01-26 | 宁德市凯欣电池材料有限公司 | Electrolyte bucket cleaning |
| CN112337922A (en) * | 2020-11-02 | 2021-02-09 | 宁波格劳博智能工业有限公司 | Full-automatic cleaning system for inner wall and outer wall of lithium battery electrolyte packaging barrel |
| CN112371675A (en) * | 2020-11-02 | 2021-02-19 | 宁波格劳博智能工业有限公司 | Full-automatic cleaning and detecting production line for lithium battery electrolyte packaging barrel |
| CN112337922B (en) * | 2020-11-02 | 2021-11-19 | 宁波格劳博智能工业有限公司 | Full-automatic cleaning system for inner wall and outer wall of lithium battery electrolyte packaging barrel |
| CN112629238A (en) * | 2020-12-04 | 2021-04-09 | 张家港市国泰华荣化工新材料有限公司 | Water removal method for electrolyte barrel |
| CN116060397A (en) * | 2023-03-24 | 2023-05-05 | 江苏尚纯自动化技术有限公司 | Method and device for cleaning electrolyte storage barrel |
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Application publication date: 20111214 |