CN110479614A - Lithium battery feed separation method after one kind is broken - Google Patents
Lithium battery feed separation method after one kind is broken Download PDFInfo
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- CN110479614A CN110479614A CN201910862692.3A CN201910862692A CN110479614A CN 110479614 A CN110479614 A CN 110479614A CN 201910862692 A CN201910862692 A CN 201910862692A CN 110479614 A CN110479614 A CN 110479614A
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- diaphragm
- vibrating screen
- lithium battery
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- separator
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B15/00—Combinations of apparatus for separating solids from solids by dry methods applicable to bulk material, e.g. loose articles fit to be handled like bulk material
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Abstract
The present invention discloses a kind of broken rear lithium battery feed separation method, it is related to waste lithium cell processing technology field, broken lithium battery material, which enters in airflow separator to sub-elect light material i.e. pole piece under the action of vibration and air-flow and exported by light material by upper material conveyer, to be collected, it sub-elects heavy material i.e. shell and pole and is exported by heavy material and collected, diaphragm containing some tiny pole pieces enters back into vibrating screen by sucking cyclone separator at the top of airflow separator, diaphragm is extracted into diaphragm collecting box by the air inlet above vibrating screen, tiny pole piece is come out by the sieve of vibrating screen by vibrating screen discharge port, diaphragm into diaphragm collecting box enters diaphragm discharging auger by diaphragm outlet and then drains into outside, the diaphragm discharging continuous self-emptying of auger during sorting, ensure working efficiency, innoxious sorting is realized simultaneously, separation effect Fruit is good and low energy consumption, improves work efficiency, and reduces pollution.
Description
Technical field
The present invention relates to waste lithium cell processing technology fields, more particularly to the broken rear lithium battery feed separation side of one kind
Method.
Background technique
According to manner of packing, lithium dynamical battery is generally divided into three kinds: cylindrical battery, square battery and soft-package battery.By
In lithium battery monomer primary structural material by positive plate (being coated with upper positive electrode on aluminium foil two sides to be made), plastic diaphragms,
Winding or successively superposition are made cylindrical or cuboidal after negative electrode tab (being coated with upper negative electrode material on copper foil two sides to be made) overlaps
Whole packet battery core is fitted into battery cell shell (outer steel shell or aluminum shell or plastic-aluminum Soft Roll) and draws positive and negative tab.Just because of lithium
This different materials of battery battery core successively overlap and fold into the special construction of an integral material packet repeatedly and cause and disassemble back
The difficulty of contracture choosing.In waste and old lithium dynamical battery containing the valuable metals such as a large amount of available resources, such as aluminium, copper and graphite,
Positive electrode etc., also containing elements such as nickel, cobalt, manganese, lithiums.If old and useless battery cannot be effectively addressed, money is not only resulted in
Source waste, can also cause environment seriously to pollute.
The recycling sorting of lithium battery dismantling at present has the following steps: one, broken lithium battery being carried out high-temperature heat treatment；
Two, processed material is repeatedly sorted.Above method has the disadvantage that: one, the plastic diaphragms in broken lithium battery
It disappears；Two, heat treatment cause material it is hardened, influence the rate of recovery；Three, separating effect is bad；Four, noxious material is generated, is increased
The discharge amount of pollutant；Five, the energy consumption needed is higher.
Summary of the invention
In order to solve the above technical problems, the present invention provides a kind of broken rear lithium battery feed separation method, realizes harmless
Change sorting, good separating effect and low energy consumption improves work efficiency, reduces pollution.
To achieve the above object, the present invention provides following schemes:
The present invention provides a kind of broken rear lithium battery feed separation method, using a kind of separator to broken rear lithium battery
Material is separated, and the separator includes upper material conveyer, airflow separator, cyclone separator, vibrating screen, diaphragm collection
Case, diaphragm discharging auger, air hose and air-introduced machine are provided with conveying feed inlet and conveying discharge port, institute on the upper material conveyer
State airflow separator upper end and be provided with sorting machine inlet, the two sides of the airflow separator be respectively arranged with light material outlet and
Heavy material outlet, the both ends of the sieve nest of the vibrating screen are provided with vibrating screen feed inlet and vibrating screen discharge port, the sieve nest by
The vibrating screen feed inlet to the vibrating screen discharge port tilts down setting, and the sieve nest upper end is provided with upper cover plate, described
Air inlet is offered on upper cover plate, the diaphragm collecting box includes septum inlet and diaphragm outlet, is pacified in the diaphragm collecting box
Equipped with diaphragm barrier, diaphragm collecting box upper end is provided with exhaust pipe, and the air-introduced machine is equipped on the exhaust pipe；Institute
It states conveying discharge port to be connected to the sorting machine inlet, the feed inlet of the top of the sorting machine and the cyclone separator connects
Connect, the discharge port of the cyclone separator is connect with the vibrating screen feed inlet, the air inlet by the air hose with it is described
Septum inlet connection, the diaphragm outlet are connect with diaphragm discharging auger；
Method includes the following steps:
Step 1: broken lithium battery material enters the gas by the conveying discharge port of the upper material conveyer
In classification machine, pole piece is exported by the light material under the action of vibration and air-flow is collected, and shell and pole are by the weight
Material outlet is collected, the diaphragm containing some tiny pole pieces by sucked at the top of the airflow separator cyclone separator again into
Enter in the vibrating screen；
Step 2: in the vibrating screen inner septum by the air draught above the vibrating screen under air-introduced machine effect
Mouth is extracted into the diaphragm collecting box by the air hose, and tiny pole piece is by the sieve of the vibrating screen by the vibrating screen
Discharge port comes out；
Step 3: the diaphragm for entering the diaphragm collecting box is exported by the diaphragm enters diaphragm discharging auger in turn
Drain into outside.
Preferably, the separator further includes pulse dust collector and connecting tube, the both ends of the connecting tube respectively with institute
The top for stating cyclone separator is connected with the pulse dust collector, and the exhaust pipe is connected to the connecting tube, passes through the arteries and veins
Deduster is rushed to purify the gas of discharge.
Preferably, the upper material conveyer is obliquely installed upwards by the conveying feed inlet to the conveying discharge port, institute
State the top that conveying discharge port is set to the sorting machine inlet.
Preferably, what one end that the working face of the airflow separator is exported by the heavy material was exported to the light material
One end tilts down setting.
Preferably, the vibrating screen further includes support and four springs, and four angles of the sieve nest pass through an institute respectively
It states spring to be fixed on the support, the height of the spring of vibrating screen feed inlet one end discharges greater than the vibrating screen
The height of the spring of mouth one end.
Preferably, the upper end of the spring of vibrating screen feed inlet one end is fixed with screw rod, the screw rod it is another
End is threadedly coupled with the sieve nest.
Preferably, the separator further includes suction bucket, and the air hose is connected by the suction bucket and the air inlet
It connects.
Preferably, multiple air inlets are provided on the upper cover plate, each air inlet passes through the suction
Hopper is connect with the air hose.
Preferably, the diaphragm outlet is set to the bottom end of the diaphragm collecting box, and the septum inlet is set to described
The lower part of diaphragm collecting box side.
The present invention achieves following technical effect compared with the existing technology:
Broken rear lithium battery feed separation method provided by the invention, broken lithium battery material pass through upper material conveyer
Light material i.e. pole piece is sub-elected in into airflow separator under the action of vibration and air-flow and is exported by light material and is collected, sorting
Out heavy material, that is, shell and pole and by heavy material export collect, diaphragm (containing some tiny pole pieces) is by airflow separator top
Portion's sucking cyclone separator enters back into vibrating screen, and diaphragm is extracted into diaphragm collecting box, tiny pole by the air inlet above vibrating screen
Piece is come out by the sieve of vibrating screen by vibrating screen discharge port, and the diaphragm into diaphragm collecting box is exported into diaphragm by diaphragm
Material auger drains into outside in turn, the diaphragm discharging continuous self-emptying of auger during sorting, it is ensured that working efficiency.Passing through will
Above equipment combination realizes the broken innoxious sorting of lithium battery material, good separating effect and low energy consumption, meanwhile, it is sorting
Working efficiency is effectively improved in the process, reduces pollution, has the advantages that energy conservation and environmental protection.
Detailed description of the invention
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without creative efforts, can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the main view for the separator that broken rear lithium battery feed separation method provided by the invention uses；
Fig. 2 is the top view for the separator that broken rear lithium battery feed separation method provided by the invention uses；
Fig. 3 is the structural schematic diagram of septation collecting box of the present invention.
Description of symbols: 1, upper material conveyer；2, airflow separator；21, light material exports；22, heavy material exports；3,
Cyclone separator；4, vibrating screen；41, vibrating screen discharge port；5, diaphragm collecting box；51, diaphragm barrier；52, septum inlet；
53, diaphragm exports；54, exhaust pipe；6, diaphragm discharging auger；7, pulse dust collector；8, air-introduced machine；9, air hose；10, suction bucket；
11, connecting tube.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The object of the present invention is to provide the broken rear lithium battery feed separation methods of one kind, realize innoxious sorting, separate
Effect is good and low energy consumption, improves work efficiency, and reduces pollution.
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing and specific real
Applying mode, the present invention is described in further detail.
As shown in Figure 1-3, the present embodiment provides the broken rear lithium battery feed separation methods of one kind, using a kind of separator
Broken rear lithium battery material is separated, separator includes upper material conveyer 1, airflow separator 2, cyclone separator 3, vibration
It is dynamic to sieve 4, diaphragm collecting box 5, diaphragm discharging auger 6, air hose 9 and air-introduced machine 8, conveying feed inlet is provided on upper material conveyer 1
With conveying discharge port, 2 upper end of airflow separator is provided with sorting machine inlet, and the two sides of airflow separator 2 are respectively arranged with gently
Material outlet 21 and heavy material outlet 22, the both ends of the sieve nest of vibrating screen 4 are provided with vibrating screen feed inlet and vibrating screen discharge port
41, sieve nest tilts down setting by vibrating screen feed inlet to vibrating screen discharge port 41, and sieve nest upper end is provided with upper cover plate, upper cover plate
On offer air inlet, diaphragm collecting box 5 includes septum inlet 52 and diaphragm outlet 53, is equipped with diaphragm in diaphragm collecting box 5
Barrier 51,5 upper end of diaphragm collecting box are provided with exhaust pipe 54, air-introduced machine 8 are equipped on exhaust pipe 54, and specifically, diaphragm goes out
Mouth 53 is set to the bottom end of diaphragm collecting box 5, and septum inlet 52 is set to the lower part of 5 side of diaphragm collecting box, and air-introduced machine 8 is to adjust
Fast blower；When work, the work of air-introduced machine 8 sucks diaphragm in diaphragm collecting box 5, and diaphragm barrier 51 blocks diaphragm, diaphragm
It is come out by diaphragm outlet 53, gas is discharged by exhaust pipe 54.Conveying discharge port is connected to sorting machine inlet, the top of sorting machine
Portion is connect with the feed inlet of cyclone separator 3, and the discharge port of cyclone separator 3 is connect with vibrating screen feed inlet, and air inlet passes through
Air hose 9 is connect with septum inlet 52, and diaphragm outlet 53 is connect with diaphragm discharging auger 6.
Method includes the following steps:
Step 1: broken lithium battery material enters airflow separator 2 by the conveying discharge port of upper material conveyer 1
Interior, pole piece is collected by light material outlet 21 under the action of vibration and air-flow, and shell and pole are collected by heavy material outlet 22, is contained
There is the diaphragm of some tiny pole pieces to be entered back into vibrating screen 4 by sucking cyclone separator 3 at the top of airflow separator 2；
Step 2: it is taken out by the air inlet above vibrating screen 4 by air hose 9 under the effect of air-introduced machine 8 in 4 inner septum of vibrating screen
Into diaphragm collecting box 5, tiny pole piece is come out by the sieve of vibrating screen 4 by vibrating screen discharge port 41；
Step 3: the diaphragm into diaphragm collecting box 5 is entered diaphragm discharging auger 6 by diaphragm outlet 53 and then is drained into outer
Portion.
Separator in the present embodiment further includes pulse dust collector 7 and connecting tube 11, the both ends of connecting tube 11 respectively with
The top of cyclone separator 3 and pulse dust collector 7 connect, and exhaust pipe 54 is connected to connecting tube 11, pulse during sorting
Deduster 7 can purify dusty gas, it is ensured that qualified discharge avoids pollution environment.
For the ease of conveying material into vibrating screen 4, upper material conveyer 1 is inclined upwards by conveying feed inlet to conveying discharge port
Tiltedly setting, conveying discharge port are set to the top of vibrating screen feed inlet.Specifically, upper material conveyer 1 is belt conveyor, mainly
It is made of rack, insulating conveyor belt, carrying roller, roller, tensioning apparatus and transmission device etc., is set on the conveyer belt of upper material conveyer 1
Gear lattice and side gear skirt are equipped with to prevent material spilling, overflow.
The working face of airflow separator 2 is tilted down by one end of one end to the light material outlet 21 of heavy material outlet 22 and is set
It sets.Working face inside airflow separator 2 is sorting sieve, and the lower part for sorting sieve is provided with air blower, sorts the fortune of sieve
Flowing mode be it is of reciprocating vibration, material generates automatic classification under the action of working face is of reciprocating vibration, and heavy material is sunken to bottom
Portion and with work face contact；The small material of specific gravity floats on upper layer, in suspension or half suspended state under the action of air-flow, with material
It continuously flows into, upper materials go out under of reciprocating vibration, self gravity, the push effect of material along what inclined work faced toward
Material mouth, that is, light material outlet 21 comes out, and heavy material is then along inclined cut, upward under the thrust of working face
The discharge port in portion, that is, heavy material outlet 22 is creeped, to realize feed separation, specifically, the specific gravity of pole piece is less than shell and pole
Specific gravity, be achieved in pole piece and collected by light material outlet 21, shell and pole are collected by heavy material outlet 22, and diaphragm (contains
Some tiny pole pieces) by being inhaled into cyclone separator 3 at the top of airflow separator 2 enter back into vibrating screen 4.Specifically, air-flow point
Select the tilt adjustable of the working face of machine 2, the tilt angle regulative mode of working face and regulative mode phase in the prior art
Together, and the wind speed of air blower is adjustable.
Vibrating screen 4 further includes support and four springs, and four angles of sieve nest pass through a spring respectively and are fixed on the support,
The height of the spring of vibrating screen feed inlet one end is greater than the height of the spring of 41 one end of vibrating screen discharge port.Vibrating screen 4 utilizes vibration
Dynamic motor exciting is tossed material on sieve as vibration force source, while phase front moves in a straight line, by sieve by object
Material is divided into oversize and screenings, realizes feed separation.Specifically, the tiny pole piece mixed in diaphragm is less than the hole of sieve
Diameter, and diaphragm is greater than the aperture of sieve, allows tiny pole piece by the sieve of vibrating screen 4 by vibrating screen discharge port 41
Out.
In order to enable the tilt adjustable of the sieve nest of vibrating screen 4, the upper end of the spring of vibrating screen feed inlet one end is fixed
There is screw rod, the other end of screw rod is threadedly coupled with sieve nest, by the tilt angle for turning the i.e. adjustable sieve nest of screw rod.
As it can be seen that the speed of air-introduced machine 8 is adjustable during the separation process, the tilt angle of the working face of airflow separator 2, vibration
The wind speed of frequency and air blower is adjustable, and the tilt angle and vibration frequency of vibrating screen 4 are adjustable, and then can be by adjusting air inducing
The speed of machine 8, the tilt angle of vibrating screen 4 and vibration frequency, the tilt angle of 2 working face of airflow separator and vibration frequency with
And the wind speed of air blower guarantees optimal separating effect.
Further include suction bucket 10 in the present embodiment to enhance the absorption effect to diaphragm, air hose 9 by suction bucket 10 with
Air inlet connection.Specifically, the opening of one end that suction bucket 10 is connect with air inlet is greater than suction bucket 10 is connect with air hose 9 one
The opening at end.
In order to gradually siphon away and improve the extraction efficiency to diaphragm for the diaphragm entered in sieve nest, it is provided on upper cover plate more
A air inlet, each air inlet pass through a suction bucket 10 and connect with air hose 9.In this specific embodiment, it is arranged on upper cover plate
There are two air inlets.
The assorting room septation of the present embodiment discharges the continuous self-emptying of auger 6, it is ensured that working efficiency, by will be above-mentioned
Equipment combination realizes the broken innoxious sorting of lithium battery material, disappears without substance, good separating effect and low energy consumption, on
It states equipment and may also be combined with automated control unit and controlled, easily facilitate operation and realize high degree of automation, be suitble to industry
Large-scale production, meanwhile, working efficiency is effectively improved in assorting room, greatly reduces labor intensity, is reduced
Pollution, has the advantages that energy conservation and environmental protection.
Apply that a specific example illustrates the principle and implementation of the invention in this specification, above embodiments
Explanation be merely used to help understand method and its core concept of the invention；At the same time, for those skilled in the art,
According to the thought of the present invention, there will be changes in the specific implementation manner and application range.In conclusion in this specification
Appearance should not be construed as limiting the invention.
Claims (9)
- Lithium battery feed separation method after 1. one kind is broken, which is characterized in that using a kind of separator to lithium battery after being crushed Material is separated, and the separator includes upper material conveyer, airflow separator, cyclone separator, vibrating screen, diaphragm collection Case, diaphragm discharging auger, air hose and air-introduced machine are provided with conveying feed inlet and conveying discharge port, institute on the upper material conveyer State airflow separator upper end and be provided with sorting machine inlet, the two sides of the airflow separator be respectively arranged with light material outlet and Heavy material outlet, the both ends of the sieve nest of the vibrating screen are provided with vibrating screen feed inlet and vibrating screen discharge port, the sieve nest by The vibrating screen feed inlet to the vibrating screen discharge port tilts down setting, and the sieve nest upper end is provided with upper cover plate, described Air inlet is offered on upper cover plate, the diaphragm collecting box includes septum inlet and diaphragm outlet, is pacified in the diaphragm collecting box Equipped with diaphragm barrier, diaphragm collecting box upper end is provided with exhaust pipe, and the air-introduced machine is equipped on the exhaust pipe；Institute It states conveying discharge port to be connected to the sorting machine inlet, the feed inlet of the top of the sorting machine and the cyclone separator connects Connect, the discharge port of the cyclone separator is connect with the vibrating screen feed inlet, the air inlet by the air hose with it is described Septum inlet connection, the diaphragm outlet are connect with diaphragm discharging auger；Method includes the following steps:Step 1: broken lithium battery material is divided by the conveying discharge port of the upper material conveyer into the air-flow It selects in machine, pole piece is exported by the light material under the action of vibration and air-flow collects, and shell and pole are gone out by the heavy material Mouth is collected, and the diaphragm containing some tiny pole pieces enters back into institute by sucking the cyclone separator at the top of the airflow separator It states in vibrating screen；Step 2: it is passed through under air-introduced machine effect by the air inlet above the vibrating screen in the vibrating screen inner septum It crosses the air hose to be extracted into the diaphragm collecting box, tiny pole piece is discharged by the sieve of the vibrating screen by the vibrating screen Mouth comes out；Step 3: the diaphragm for entering the diaphragm collecting box is exported by the diaphragm to be entered diaphragm discharging auger and then drains into It is external.
- 2. broken rear lithium battery feed separation method according to claim 1, which is characterized in that the separator also wraps Include pulse dust collector and connecting tube, the both ends of the connecting tube respectively with the top of the cyclone separator and the pulse dust removal Device connection, the exhaust pipe are connected to the connecting tube, are purified by gas of the pulse dust collector to discharge.
- 3. it is according to claim 1 it is broken after lithium battery feed separation method, which is characterized in that the upper material conveyer by The conveying feed inlet to the conveying discharge port is obliquely installed upwards, and the conveying discharge port is set to the sorting machine charging The top of mouth.
- 4. broken rear lithium battery feed separation method according to claim 1, which is characterized in that the airflow separator One end that working face is exported by the heavy material to one end that the light material exports tilts down setting.
- 5. it is according to claim 1 it is broken after lithium battery feed separation method, which is characterized in that the vibrating screen further includes Support and four springs, four angles of the sieve nest pass through the spring respectively and are fixed on the support, the vibration The height of the spring of sieve feed inlet one end is greater than the height of the spring of vibrating screen discharge port one end.
- 6. broken rear lithium battery feed separation method according to claim 5, which is characterized in that the vibrating screen feed inlet The upper end of the spring of one end is fixed with screw rod, and the other end of the screw rod is threadedly coupled with the sieve nest.
- 7. broken rear lithium battery feed separation method according to claim 1, which is characterized in that the separator also wraps Suction bucket is included, the air hose is connect by the suction bucket with the air inlet.
- 8. broken rear lithium battery feed separation method according to claim 7, which is characterized in that be arranged on the upper cover plate There are multiple air inlets, each air inlet passes through the suction bucket and connect with the air hose.
- 9. broken rear lithium battery feed separation method according to claim 1, which is characterized in that diaphragm outlet setting In the bottom end of the diaphragm collecting box, the septum inlet is set to the lower part of diaphragm collecting box side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910862692.3A CN110479614A (en) | 2019-09-12 | 2019-09-12 | Lithium battery feed separation method after one kind is broken |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910862692.3A CN110479614A (en) | 2019-09-12 | 2019-09-12 | Lithium battery feed separation method after one kind is broken |
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Cited By (4)
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| CN113113691A (en) * | 2021-04-06 | 2021-07-13 | 浙江天能新材料有限公司 | Dry-method powder removing equipment for waste lithium ion battery diaphragm |
| CN114210695A (en) * | 2021-12-07 | 2022-03-22 | 漳州市诏安亿峰建筑工程材料有限公司 | Construction waste recycling process |
| CN115889392A (en) * | 2022-11-02 | 2023-04-04 | 四川蜀矿环锂科技有限公司 | Pretreatment system and pretreatment method for high-aluminum organic matter-containing lithium battery powder |
| CN116764955A (en) * | 2023-08-03 | 2023-09-19 | 四川华洁嘉业环保科技有限责任公司 | Lithium battery diaphragm multistage separation and recovery device and method |
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| CN116764955A (en) * | 2023-08-03 | 2023-09-19 | 四川华洁嘉业环保科技有限责任公司 | Lithium battery diaphragm multistage separation and recovery device and method |
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Application publication date: 20191122 |
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