CN207371140U - It is a kind of to give up the extraction kettle that white oil is recycled in film for lithium battery diaphragm - Google Patents
It is a kind of to give up the extraction kettle that white oil is recycled in film for lithium battery diaphragm Download PDFInfo
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- CN207371140U CN207371140U CN201721270291.1U CN201721270291U CN207371140U CN 207371140 U CN207371140 U CN 207371140U CN 201721270291 U CN201721270291 U CN 201721270291U CN 207371140 U CN207371140 U CN 207371140U
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Abstract
It gives up the extraction kettle that white oil is recycled in film for lithium battery diaphragm the utility model proposes a kind of.The utility model includes autoclave body, autoclave body is internally provided at least one horizontal agitating shaft, agitating shaft is equipped with agitating paddle, agitating paddle includes the blade that arc is set, blade includes connection blade, transition blade and stirrer paddle, connect blade and stirring axis connection, stirrer paddle is connected by transition blade with being connected blade, angle between stirrer paddle and connection blade is more than 90 degree and less than 180 degree, blade is evenly distributed in the same direction along the circumferential direction of agitating shaft, heater is additionally provided on the inner wall of autoclave body, agitating shaft is also associated with the driving mechanism that it is driven to rotate.The utility model, which is passed through the rupture of membranes for swimming in liquid level upper strata using the arc blade on horizontal agitating shaft, to be rotated up and down in immersed in liquid level, stirs evenly it, and effect of extracting is good, and extraction efficiency is high, after extraction finishes, is directly dried, easy to operate.
Description
Technical field
The technical field for film process equipment of giving up the utility model is related to membrane particularly relates to one kind and gives up for lithium battery diaphragm
The extraction kettle that white oil is recycled in film.
Background technology
Membrane is one of component of lithium ion battery, and membrane needs certain porosity to carry out Electolyte-absorptive, and will
Allow lithium ion free shuttling in the electrolytic solution.Lithium ion battery separator has certain puncture strength and tensile strength, and
Size can be kept basicly stable under certain high temperature, so as to prevent battery positive and negative anodes contact and it is short-circuit.Polyolefin every
The production technology of film mainly has two kinds of techniques of wet method and dry method.At present, in wet method membrane manufacturing process, usually by vistanex
It is mixed with low molecular weight white oil, film forming is stretched by heating melting, squeezing out, then white oil is extracted, form microporous barrier.Wet method
Lithium battery diaphragm contains substantial amounts of white oil in process of production due to that can generate useless film after trimming in useless film, so how to have
White oil in the useless film of recycling of effect, becomes the key point for reducing lithium battery diaphragm production cost.
At present, in existing lithium battery diaphragm manufacturer, useless film is not handled, and is directly sold to down usually as waste product
It swims enterprise and is granulated use, value is relatively low, and in this context, white oil reclaimer just seems increasingly important.Existing white oil recycling
Method is using physical impact mode or conventional extraction mode, and centrifugation or fashion of extrusion may be employed in physical impact mode, still,
This mode there are oil removal efficiency it is low the problem of, oil removal efficiency is only 10-30%；Existing extraction mode is typically after crushing
Useless film be fitted into extraction kettle then add in dichloromethane mixed liquor extract white oil by stirring, still, due to broken film density
It is relatively low, it largely swims in above dichloromethane mixed liquor, broken film can not be immersed in dichloromethane completely and mixed by this stirring
It closes in liquid, extraction efficiency is relatively low, and white oil organic efficiency is only 50-70%；Moreover, after extraction is completed, it is broken with hot blast drying
Film or the broken film of naturally dry, not only having had the largely exhaust gas containing dichloromethane will be handled, but also need to take a substantial amount of time,
Production efficiency is relatively low.
Utility model content
The purpose of this utility model be propose it is a kind of give up the extraction kettle that white oil is recycled in film for lithium battery diaphragm, solution
Lithium battery diaphragm in the prior art of having determined gives up film white oil reclaimer there are mixing effect differences and cannot broken film be immersed in two completely
The problem of causing that its effect of extracting is poor, extraction efficiency is low in chloromethanes mixed liquor and is inconvenient for operation.
What the technical solution of the utility model was realized in：Including autoclave body, the top of the autoclave body is equipped with feeding port, institute
The both sides for stating feeding port are respectively equipped with inlet and exhaust outlet, and the bottom of the autoclave body is equipped with discharge gate, and the two of the discharge gate
Side is respectively equipped with tap hole and air inlet；The autoclave body is internally provided at least one agitating shaft, and the agitating shaft sets to be horizontal
It puts, the agitating shaft is equipped with agitating paddle, and the agitating paddle includes the blade that several arcs are set, and the blade includes connecting
Blade, transition blade and stirrer paddle are connect, the connection blade and the stirring axis connection, the stirrer paddle pass through the mistake
Blade and the connection blade connection are crossed, the angle between the stirrer paddle and the connection blade is more than 90 degree and is less than
180 degree, the blade is evenly distributed in the same direction along the circumferential direction of the agitating shaft, and heater is additionally provided on the inner wall of the autoclave body,
The agitating shaft is also associated with the driving mechanism that it is driven to rotate, and the driving mechanism is located at the outside of the autoclave body.
As a kind of preferred embodiment, the agitating shaft is two, respectively the first agitating shaft and the second agitating shaft,
First agitating shaft is located at the top of the autoclave body, and second agitating shaft is located at the lower part of the autoclave body, and described first stirs
It mixes axis and second agitating shaft is set in parallel.
As a kind of preferred embodiment, the agitating paddle included 6 blades and along the week of the agitating shaft
To evenly distributed.
As a kind of preferred embodiment, the agitating shaft be equipped with blade set, it is described connection blade by bolt with
The blade set is fixedly connected.
As a kind of preferred embodiment, the connection blade and the stirrer paddle are planar structure, the mistake
Blade is crossed as arc structure, the end of the stirrer paddle is equipped with flange, and the flange is equipped with corrugated protrusion.
As a kind of preferred embodiment, the driving mechanism includes motor, and the motor is connected with speed reducer, described
Speed reducer is connected with magnetic driver, and the magnetic driver passes through shaft coupling and the stirring axis connection.
As a kind of preferred embodiment, the heater is infrared heater or microwave applicator.
As a kind of preferred embodiment, the feeding port and the discharge gate are equipped with gate valve.
As a kind of preferred embodiment, the exhaust outlet is connected with emission-control equipment.
Compared with prior art, the beneficial effects of the utility model are：The utility model utilizes the arc on horizontal agitating shaft
Shape blade, which passes through the rupture of membranes for swimming in liquid level upper strata, to be rotated up and down in immersed in liquid level, stirrer paddle, transition blade and connection paddle
It is leaf into one have arc opening blade, stirrer paddle pressure effect under by rupture of membranes be pressed into liquid level below, then by
Transition blade drives it to be rotated down, so as in immersed in liquid level, preferably to be mixed with extractant, stir evenly, stirring effect
Fruit is good, substantially increases extraction efficiency height；After extraction finishes, directly dry, to the post processing of extractant when being omitted dry
Operation can also continue to stir, substantially reduces drying time, reduce processing cost when dry, easy to operate.
Description of the drawings
It in order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is the main structure diagram of the utility model one embodiment；
Fig. 2 is the side structure schematic view of Fig. 1；
Fig. 3 is the overlooking the structure diagram of Fig. 1；
Fig. 4 is the schematic cross-sectional view of Fig. 1；
Fig. 5 is the schematic cross-sectional view of Fig. 2；
Fig. 6 is the enlarged structure schematic diagram of blade in Fig. 3；
In figure：1- inlets；2- feeding ports；3- exhaust outlets；4- heaters；5- agitating paddles；6- air inlets；7- discharge gates；
8- tap holes；9- agitating shafts；10- blade sets；11- shaft couplings；12- magnetic drivers；51- connection blades；52- transition blades；
53- stirrer paddles.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without creative efforts
All other embodiments obtained shall fall within the protection scope of the present invention.
Refering to attached drawing 1, attached drawing 2, attached drawing 3, attached drawing 4, attached drawing 5 and attached drawing 6, the utility model includes autoclave body, the top of autoclave body
Portion is equipped with feeding port 2, and the useless film of lithium battery diaphragm is known as rupture of membranes after broken, feeding port 2 for rupture of membranes be useless film into
Material, the both sides of feeding port 2 are respectively equipped with inlet 1 and exhaust outlet 3, and inlet 1 is used for the charging of extract liquor, and here usually two
Chloromethanes mixed liquor, exhaust outlet 3 is used for the discharge of excessive gas in autoclave body, so that autoclave body works under its pressure set, kettle
The bottom of body is equipped with discharge gate 7, and discharge gate 7 is finished for extraction and the discharging of dried useless film, the both sides difference of discharge gate 7
Equipped with tap hole 8 and air inlet 6, tap hole 8 is used for the discharging of the extractant containing white oil after extraction finishes, white to realize
The recycling of oil, air inlet 6 take away the extractant dichloromethane gas to volatilize in autoclave body for being passed through gas in autoclave body；
Autoclave body is internally provided at least one agitating shaft 9, and agitating shaft 9 is laterally set, and agitating shaft 9 is equipped with agitating paddle 5, agitating paddle
5 include the blade that arc is set, and blade includes connection blade 51, transition blade 52 and stirrer paddle 53, and connection blade 51 is with stirring
It mixes axis 9 to connect, stirrer paddle 53 is connected by transition blade 52 with being connected blade 51, between stirrer paddle 53 and connection blade 51
Angle be more than 90 degree and be less than 180 degree, blade is additionally provided on the inner wall of autoclave body and adds along the circumferential evenly distributed in the same direction of agitating shaft 9
Hot device 4, agitating shaft 9 are also associated with the driving mechanism that it is driven to rotate, and driving mechanism is located at the outside of autoclave body.Closing tap hole 8,
Discharge gate 7 and air inlet 6 put into useless film from feeding port 2, add in extractant from inlet 1, close exhaust outlet 3,2 and of feeding port
Inlet 1, under the induced effect of driving mechanism, agitating paddle 5 starts to rotate, by rupture of membranes under the pressure effect of stirrer paddle 53
It is pressed into below liquid level, then by transition blade 52 it is driven to be rotated down, thus in immersed in liquid level, preferably to be mixed with extractant
It closes, so as to complete the recovery operation of white oil in useless film.
Refering to attached drawing 4 and attached drawing 5, in the utility model, agitating shaft 9 is two, is respectively that the first agitating shaft and second stirs
Axis is mixed, the first agitating shaft is located at the top of autoclave body, and the first agitating shaft is used to be stirred the rupture of membranes of ullage in autoclave body, the
One agitating shaft is normally at close on the position of liquid level, and the blade on the first agitating shaft cannot be totally immersed into below liquid level, and second
Agitating shaft is located at the lower part of autoclave body, and the second agitating shaft is for being stirred the rupture of membranes of liquid level bottom in autoclave body, the second agitating shaft
On blade as far as possible close to the bottom of autoclave body, be sufficiently stirred the material of autoclave body bottom, avoid the heavy of autoclave body bottom material
Product, the first agitating shaft and the second agitating shaft are set in parallel.Double agitating shafts 9 have further speeded up mixing speed, improve stirring
Effect.In addition, in the utility model, agitating paddle 5 includes 6 blades and evenly distributed along the circumferential direction of agitating shaft 9.
Refering to attached drawing 4, attached drawing 5 and attached drawing 6, in the present embodiment, agitating shaft 9 is equipped with blade and covers 10, and connection blade 51 is logical
Bolt is crossed to be fixedly connected with blade set 10.Under normal circumstances, blade set 10 is to be fixed on by jackscrew on agitating shaft 9, this
9 fixation of blade and agitating shaft of connection, durable, general blade selects the plastics of acid-alkali-corrosive-resisting to be made.Connect paddle
Leaf 51 and stirrer paddle 53 are planar structure, and transition blade 52 is arc structure, is smoothly connected using this arc structure
Two planar structures, transition facilitate stirring naturally, simultaneously, the opening for making the arc blade is reasonable；In addition, stirrer paddle 53
End is also provided with flange, and flange is equipped with corrugated protrusion, the length of blade is increased by flange, moreover, not influencing
The whole radian of arc blade is conducive to preferably stir, and the protrusion on flange is sharp component, can break the gas on liquid level
Bubble and bubble, are more fully mixed material.
Refering to attached drawing 5, in the present embodiment, driving mechanism includes motor, and motor is connected with speed reducer, and speed reducer is connected with magnetic
Power drive 12, magnetic driver 12 are connected by shaft coupling 11 with agitating shaft 9；Motor and speed reducer is mounted on the outer of autoclave body
Portion, the outer steel body in magnetic driver 12 by revolving body component on motor and retarder, in magnetic driver 12
Inner magnetic steel body is mounted on the axis of supporting mass, is covered on wherein by sealed cylinder, and motor and speed reducer drives the rotation of outer steel body, leads to
It crosses magnetic coupling and the inner magnetic steel body inside sealed cylinder is driven to rotate, the axis of inner magnetic steel body passes through shaft coupling 11 and stirring
Axis 9 connects, so as to which agitating shaft 9 be driven to rotate, to be stirred to material.Heater 4 be infrared heater or microwave applicator,
Infrared heater and microwave applicator firing rate are fast, homogeneous heating, accelerate the volatilization of broken film surface extractant dichloromethane,
Drying time is shortened, tail gas yield is few, easy to operate, effectively reduces processing cost.Feeding port 2 and discharge gate 7 are equipped with
Gate valve.For gate valve for being sealed to feeding port 2 and discharge gate 7, this sealing is simple, easy to use.Exhaust outlet 3 connects
There is emission-control equipment, in air inlet 6 under the rolling action of gas, the extractant of volatilization is entered by exhaust outlet 3 at exhaust gas
Device is managed, is recycled and is handled, avoid environmental pollution, white oil organic efficiency can reach 80-95%.
Operating process：Tap hole 8, discharge gate 7 and air inlet 6 are closed, broken useless film is packed into kettle by feeding port 2
Then the inside of body, adds in extractant dichloromethane mixed liquor by inlet 1, closes exhaust outlet 3, feeding port 2 and inlet
1；Stirring is opened, in the case where motor is with effect, agitating shaft 9 drives agitating paddle 5 to stir broken film and dichloromethane mixed liquor
Mixing is mixed and stirred, rupture of membranes is constantly pressed into below liquid level by stirrer paddle 53, then from transition blade 52 it is driven to continue to backspin
Turn, thus in immersed in liquid level, preferably to be mixed with extractant, by stirring and mixing repeatedly, to complete white oil in useless film
Extract work；Extraction finish after, by tap hole 8 empty oil-containing mixed liquor, then, heater 4, can be used it is infrared or
Microwave heating, under the mechanical agitation of agitating paddle 5, the broken film finished to extraction is dried, and treats broken film surface
When dichloromethane starts volatilization, a certain amount of gas is blown by air inlet 6, the dichloromethane gas band that will be volatilized in autoclave body
It walks, and passes through exhaust outlet 3 into emission-control equipment, the useless film after drying is discharged by discharge gate 7, so as to complete useless film and white
The recovery operation of oil.
Compared with prior art, the beneficial effects of the utility model are：The utility model utilizes the arc on horizontal agitating shaft 9
The rupture of membranes for swimming in liquid level upper strata process is rotated up and down in immersed in liquid level by shape blade, stirrer paddle 53, transition blade 52 and company
Connect blade 51 formed one have arc opening blade, stirrer paddle 53 pressure effect under by rupture of membranes be pressed into liquid level with
Under, then by transition blade 52 it is driven to be rotated down, so as in immersed in liquid level, make broken useless film and extractant dichloromethane
Alkane contacts to greatest extent, stirs evenly, and mixing effect is good, substantially increases extraction efficiency height, white oil organic efficiency can be with
Reach 80-95%；It after extraction finishes, directly dries, to the post-processing operation of extractant when being omitted dry, may be used also when dry
To continue to stir, drying time is substantially reduced, reduces the air quantity used in processing tail gas, reduces processing cost, operation side
Just, also big with treating capacity, extraction yield is high, it is low in the pollution of the environment the advantages that.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modifications, equivalent replacements and improvements are made should be included in the utility model
Protection domain within.
Claims (9)
1. a kind of give up the extraction kettle that white oil is recycled in film for lithium battery diaphragm, it is characterised in that：Including autoclave body, the kettle
The top of body is equipped with feeding port, and the both sides of the feeding port are respectively equipped with inlet and exhaust outlet, and the bottom of the autoclave body is equipped with
Discharge gate, the both sides of the discharge gate are respectively equipped with tap hole and air inlet；
The autoclave body is internally provided at least one agitating shaft, and the agitating shaft is laterally set, and the agitating shaft is equipped with
Agitating paddle, the agitating paddle include the blade that several arcs are set, and the blade includes connection blade, transition blade and stirring
Blade, the connection blade and the stirring axis connection, the stirrer paddle pass through the transition blade and the connection blade
Connection, the angle between the stirrer paddle and the connection blade are more than 90 degree and are less than 180 degree, and the blade is along described
The circumferential direction of agitating shaft is evenly distributed in the same direction, heater is additionally provided on the inner wall of the autoclave body, the agitating shaft is also associated with driving
Its driving mechanism rotated, the driving mechanism are located at the outside of the autoclave body.
2. according to claim 1 give up the extraction kettle that white oil is recycled in film for lithium battery diaphragm, it is characterised in that：
The agitating shaft is two, is respectively the first agitating shaft and the second agitating shaft, and first agitating shaft is located at the autoclave body
Top, second agitating shaft is located at the lower part of the autoclave body, and first agitating shaft and second agitating shaft are in parallel
It sets.
3. according to claim 1 give up the extraction kettle that white oil is recycled in film for lithium battery diaphragm, it is characterised in that：
The agitating paddle includes 6 blades and evenly distributed along the circumferential direction of the agitating shaft.
4. according to claim 1 give up the extraction kettle that white oil is recycled in film for lithium battery diaphragm, it is characterised in that：
The agitating shaft is equipped with blade set, and the connection blade is fixedly connected by bolt with the blade set.
5. according to claim 1 give up the extraction kettle that white oil is recycled in film for lithium battery diaphragm, it is characterised in that：
It is described connection blade and the stirrer paddle be planar structure, the transition blade be arc structure, the agitating paddle
The end of leaf is equipped with flange, and the flange is equipped with corrugated protrusion.
6. giving up the extraction that white oil is recycled in film for lithium battery diaphragm according to any one in claim 1-5
Kettle, it is characterised in that：
The driving mechanism includes motor, and the motor is connected with speed reducer, and the speed reducer is connected with magnetic driver, described
Magnetic driver passes through shaft coupling and the stirring axis connection.
7. according to claim 1 give up the extraction kettle that white oil is recycled in film for lithium battery diaphragm, it is characterised in that：
The heater is infrared heater or microwave applicator.
8. according to claim 1 give up the extraction kettle that white oil is recycled in film for lithium battery diaphragm, it is characterised in that：
The feeding port and the discharge gate are equipped with gate valve.
9. according to claim 1 give up the extraction kettle that white oil is recycled in film for lithium battery diaphragm, it is characterised in that：
The exhaust outlet is connected with emission-control equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721270291.1U CN207371140U (en) | 2017-09-29 | 2017-09-29 | It is a kind of to give up the extraction kettle that white oil is recycled in film for lithium battery diaphragm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721270291.1U CN207371140U (en) | 2017-09-29 | 2017-09-29 | It is a kind of to give up the extraction kettle that white oil is recycled in film for lithium battery diaphragm |
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|---|---|
| CN207371140U true CN207371140U (en) | 2018-05-18 |
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| CN201721270291.1U Active CN207371140U (en) | 2017-09-29 | 2017-09-29 | It is a kind of to give up the extraction kettle that white oil is recycled in film for lithium battery diaphragm |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111013467A (en) * | 2019-12-24 | 2020-04-17 | 贵州兴锂新能源科技有限公司 | Pneumatic stirring type mixing kettle for processing lithium ion battery electrolyte |
| CN117096487A (en) * | 2023-10-19 | 2023-11-21 | 珙县华洁危险废物治理有限责任公司成都分公司 | Method for rapidly recycling white oil from wet lithium battery diaphragm waste |
-
2017
- 2017-09-29 CN CN201721270291.1U patent/CN207371140U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111013467A (en) * | 2019-12-24 | 2020-04-17 | 贵州兴锂新能源科技有限公司 | Pneumatic stirring type mixing kettle for processing lithium ion battery electrolyte |
| CN117096487A (en) * | 2023-10-19 | 2023-11-21 | 珙县华洁危险废物治理有限责任公司成都分公司 | Method for rapidly recycling white oil from wet lithium battery diaphragm waste |
| CN117096487B (en) * | 2023-10-19 | 2024-02-09 | 珙县华洁危险废物治理有限责任公司成都分公司 | Method for rapidly recycling white oil from wet lithium battery diaphragm waste |
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