CN109713391A - Used Li ion cell discharge system suitable for industrial applications - Google Patents
Used Li ion cell discharge system suitable for industrial applications Download PDFInfo
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- CN109713391A CN109713391A CN201811496724.4A CN201811496724A CN109713391A CN 109713391 A CN109713391 A CN 109713391A CN 201811496724 A CN201811496724 A CN 201811496724A CN 109713391 A CN109713391 A CN 109713391A
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- electric discharge
- ion cell
- pond
- discharge system
- discharge pond
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/84—Recycling of batteries or fuel cells
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Abstract
The invention discloses a kind of used Li ion cell discharge systems suitable for industrial applications, it is used to store the electric discharge pond of salt water including more than one, each electric discharge pond has sealing cover to be opened/closed, and each electric discharge pond is connected with the emission-control equipment for collecting generated exhaust gas in processing discharge process.The present invention has many advantages, such as that structure is simple, is easy to make, it is good to improve working environment, the feature of environmental protection.
Description
Technical field
The present invention relates to old and useless battery recovery gear technical fields, and in particular to a kind of useless lithium suitable for industrial applications
Ion battery discharge system.
Background technique
Waste and old power battery has high pressure, should carry out being substantially discharged processing before recovery processing.Currently, for waste and old lithium from
There are mainly two types of methods for the safe-discharge of sub- battery, and one is physical method electric discharges, mainly by external load electric eliminating, i.e., logical
It crosses battery to be connected with resistance, the electricity in battery is consumed by heat release, but this method is only suitable for laboratory test, extensive to discharge
It is infeasible；Another kind is chemical method electric discharge, i.e., is cathode and anode using the positive and negative anodes metal of battery, passes through electricity in the solution
Solution preocess consumes electricity remaining in battery, and at present mainly using sodium chloride solution as electrolyte, waste and old lithium ion battery is electricity
Source is discharged, this method simple possible.But the generation of sewage will appear using salt water electric discharge, the discharge of exhaust gas is collected, disengaging
A series of technical problems such as the mode of material, thus how to realize the environmental protection in industrial applications, cleaning, efficiently and automation
Demand is present problem in urgent need to solve.
Summary of the invention
The technical problem to be solved in the present invention is to overcome the shortcomings of the prior art, provides that a kind of structure is simple, is easy to
Production can improve the good used Li ion cell discharge system suitable for industrial applications of working environment, the feature of environmental protection.
In order to solve the above technical problems, the invention adopts the following technical scheme:
A kind of used Li ion cell discharge system suitable for industrial applications, including more than one for storing salt water
Electric discharge pond, each pond of discharging have sealing cover to be opened/closed, and each pond of discharging is connected with and is produced for collecting in processing discharge process
The emission-control equipment of raw exhaust gas.
As a further improvement of the above technical scheme:
The emission-control equipment includes being equipped with row with the gas exhaust piping respectively putting battery compartment and be connected to, the gas exhaust piping
Gas blower, alkali formula spray column and activated carbon adsorber.
The alkali formula spray column, activated carbon adsorber and air exhauster are sequentially arranged along the discharge directions of gas exhaust piping.
The used Li ion cell discharge system further includes packaging material frame for putting used Li ion cell and for will
The packaging material frame is packed into or takes out the handling apparatus in electric discharge pond.
The used Li ion cell discharge system further include for electric discharge pond in discharge after used Li ion cell into
The vibrating hydroextractor of row dehydration, the vibrating hydroextractor are located at the range that the handling apparatus handling packaging material frame can reach
It is interior.
The vibrating hydroextractor and all electric discharge ponds are arranged in a centralized processing pond.
The used Li ion cell discharge system is additionally provided with cooling bay, is equipped with the heat being connected with cooling tower in the cooling bay
Exchanger, each electric discharge pond are connected to form a circulation loop by pipeline and cooling bay, and the circulation loop is equipped with circulation
Pump.
Each electric discharge bottom of pond portion is connected by plumbing drain with Sewage Disposal, and the plumbing drain is equipped with sewage pump.
The used Li ion cell discharge system further includes automatic salting device, and the automatic salting device is at interval of one section
The primary electric discharge mesohalobic concentration in pond of setting time detection, and adding into electric discharge pond, is controlled according to the brine strength value of detection
Salt amount is so that the electric discharge mesohalobic concentration in pond is maintained at setting range.
The sealing cover is hingedly mounted on electric discharge pond, and flexible actuator, the flexible drive are equipped on the electric discharge pond
The opening that moving part is connected with sealing cover and sealing cover can be driven to open or close the electric discharge pond around hinge axes movement.
Compared with the prior art, the advantages of the present invention are as follows: the electric discharge pond of used Li ion cell discharge system of the invention
Equipped with sealing cover to be opened/closed and emission-control equipment, it is put into the electric discharge pond that storage has salt water and carries out in used Li ion cell
When electric discharge, sealing cover is closed to the murder by poisoning exhaust gas loss that can prevent from generating in discharge process, while can using emission-control equipment
Exhaust gas is handled to collect, so as to improve working environment and improve the feature of environmental protection；The handling that can be convenient when sealing cover is opened
Used Li ion cell.It also has the advantages that structure is simple, is easy to make.
Detailed description of the invention
Fig. 1 is the structure schematic diagram of used Li ion cell discharge system.
Marginal data:
1, electric discharge pond；2, gas exhaust piping；3, air exhauster；4, alkali formula spray column；5, activated carbon adsorber；6, vibration is de-
Water dispenser；7, pond is focused on；8, sewage pump；9, chimney；10, exhaust branch pipe.
Specific embodiment
The present invention is described in further detail below in conjunction with the drawings and specific embodiments.
As shown in Figure 1, the used Li ion cell discharge system suitable for industrial applications of the present embodiment, including multiple use
In the electric discharge pond 1 of storage salt water, each pond 1 of discharging has sealing cover (not shown) to be opened/closed, the preferred stainless steel of sealing cover
Matter, and each electric discharge pond 1 is connected with the emission-control equipment for collecting generated exhaust gas in processing discharge process.The useless lithium
The electric discharge pond 1 of ion battery discharge system is equipped with sealing cover to be opened/closed and emission-control equipment, is put into used Li ion cell
Storage has when being discharged in the electric discharge pond 1 of salt water, can prevent the murder by poisoning exhaust gas generated in discharge process from escaping sealing cover closing
It dissipates, while processing exhaust gas can be collected using emission-control equipment, so as to improve working environment and improve the feature of environmental protection；It will
The handling used Li ion cell that sealing cover can be convenient when opening.It also has the advantages that structure is simple, is easy to make.
In the present embodiment, emission-control equipment include with the gas exhaust piping 2 that is connected to of each electric discharge 1 inner cavity of pond, on gas exhaust piping 2
Equipped with air exhauster 3, alkali formula spray column 4 and activated carbon adsorber 5.When air exhauster 3 works, it will be discharged by gas exhaust piping 2
Exhaust gas extraction in 1 inner cavity of pond, exhaust gas is processed to when passing through alkali formula spray column 4 and activated carbon adsorber 5 meets discharge standard,
It can be directly discharged in atmosphere.The emission-control equipment can be realized the zero-emission of exhaust gas, be greatly improved the feature of environmental protection.Above-mentioned alkali
Formula spray column 4 and activated carbon adsorber 5 are all made of the prior art.Preferably, emission-control equipment further includes chimney 9, exhaust pipe
The outlet on road 2 is connected with chimney 9；Each electric discharge pond 1 is connected by exhaust branch pipe 10 with gas exhaust piping 2, and exhaust branch pipe 10 is built
In the pool wall in electric discharge pond 1.It is further preferred that gas exhaust piping 2 and electric discharge 1 inner cavity of pond have multiple communication ports, multiple connections
Mouth is uniformly arranged on the pool wall in electric discharge pond 1 around electric discharge pond 1, and exhaust efficiency and exhaust uniformity can be improved in this way.
In the present embodiment, the discharge directions of alkali formula spray column 4, activated carbon adsorber 5 and air exhauster 3 along gas exhaust piping 2
It is sequentially arranged.This kind of arrangement makes, and the exhaust gas extracted out from electric discharge 1 inner cavity of pond passes sequentially through alkali formula spray column 4 and active carbon
Adsorption tower 5 handle it is up to standard after using air exhauster 3, can avoid exhaust gas and air exhauster 3 caused to corrode, greatly prolong exhaust
The service life of blower 3.
In the present embodiment, used Li ion cell discharge system further include for put the packaging material frame of used Li ion cell and
For packaging material frame being packed into or being taken out the handling apparatus in electric discharge pond 1, packaging material frame and handling apparatus are not shown.It will
Used Li ion cell concentration is housed in packaging material frame, can packaging material frame is packed into or be taken out automatically using handling apparatus and put
Battery 1 realizes automatic, concentration loading and unloading, can reduce cost of labor, improve working efficiency.Above-mentioned handling apparatus uses existing skill
Art, such as gantry crane can be used.Packaging material frame uses stainless steel material, and packaging material frame is preferably dimensioned to be long 1500mm, wide
1100mm, high 860mm can accommodate the material of a ton packet.The used Li ion cell discharge system of the present embodiment is equipped with eight altogether and puts
Battery 1, the size in each electric discharge pond 1 are long 3500mm, wide 1800mm, high 1400mm, can put three ton packets or three collection chargings
Case, eight electric discharge ponds 1 can accommodate 24 ton packets altogether, and each ton 1.2 tons of used Li ion cell of packaging or so.Each electric discharge
Water level depth control is no more than 1000mm in pond 1, and the connection being connected to gas exhaust piping 2 is arranged at the range position of top 400mm
Mouthful.
In the present embodiment, used Li ion cell discharge system further include for electric discharge pond 1 in discharge after useless lithium from
The vibrating hydroextractor 6 that sub- battery is dehydrated, vibrating hydroextractor 6 are located at the model that handling apparatus handling packaging material frame can reach
In enclosing.After the completion of used Li ion cell in packaging material frame discharges, packaging material frame can be hoisted to vibration by handling apparatus
Dewaterer 6 is taken off the moisture on dry used Li ion cell surface using vibrating hydroextractor 6, surface moisture is avoided to cause cracking and sorting
It influences, makes used Li ion cell surface that can immediately enter subsequent cracking and sorting process.
In the present embodiment, vibrating hydroextractor 6 and all electric discharge ponds 1 are arranged in a centralized processing pond 7, in packaging material frame
During moving to vibrating hydroextractor 6 from each electric discharge pond 1, the moisture fallen can be focused on the collection of pond 7, without right
Workshop pollutes.
In the present embodiment, used Li ion cell discharge system is additionally provided with cooling bay, is equipped in cooling bay and is connected with cooling tower
Heat exchanger, each electric discharge pond 1 is connected to form a circulation loop by pipeline and cooling bay, and circulation loop is equipped with circulation
Pump, circulates salt water in circulation loop using circulating pump, to realize to the mesh that salt water cools down in electric discharge pond 1
's.Since all electric discharge ponds 1 all connect to form circulation loop with the same cooling bay, a set of heat exchanger and cold need to be only set
But tower, which can be realized, carries out cooling purpose to salt water in all electric discharge ponds 1, can substantially reduce cost, and improve compact-sized
Property and reduce maintenance difficulties.Above-mentioned cooling tower and heat exchanger are all made of the prior art.
In the present embodiment, each 1 bottom of pond of discharging is connected by plumbing drain with Sewage Disposal, and plumbing drain is equipped with dirt
The sewage generated in pond 1 of discharging can be pumped to Sewage Disposal by sewage pump 8 and handled, realize sewage by water pump 8
Zero-emission.
In the present embodiment, used Li ion cell discharge system further includes automatic salting device, automatic salting device at interval of
One section of primary electric discharge mesohalobic concentration in pond 1 of setting time (generally one day) detection, and according to the brine strength value control of detection
The salt adding amount into electric discharge pond 1 is made so that the electric discharge mesohalobic concentration in pond 1 is maintained at setting range.
In the present embodiment, sealing cover is hingedly mounted on electric discharge pond 1, is equipped with flexible actuator on pond 1 of discharging, is stretched and drive
Moving part is connected with sealing cover, and flexible actuator stretching motion can drive sealing cover to open or close electric discharge around hinge axes movement
The opening in pond 1, to realize the automatic shutter of sealing cover.Telescopic cylinder or telescopic oil cylinder or electronic can be used in flexible actuator
Push rod etc..
When the work of the used Li ion cell discharge system of the present embodiment, it first will need to be added the electric discharge of used Li ion cell
The sealing cover in pond 1 is opened, and the packaging material frame equipped with used Li ion cell is hung in electric discharge pond 1 using handling apparatus；It is then shut off
Sealing cover opens the air exhauster 3 of emission-control equipment, is collected processing to the exhaust gas in discharge process, while adding automatically
The work of salt device makes the brine strength wave to discharge in pond 1 like to eat in setting range；After the completion of electric discharge, sealing cover is opened, using hanging
Packaging material frame equipped with used Li ion cell is hung out electric discharge pond 1 and is moved to vibrating hydroextractor 6 by shipping unit, de- by vibrating
Water dispenser 6 is de- dry by the moisture of battery surface.
Cell voltage can be made to be less than 1.5V using used Li ion cell discharge system processing used Li ion cell of the invention,
It can guarantee the safe and efficient property of subsequent workshop section.
When being discharged using the used Li ion cell discharge system of the present embodiment used Li ion cell, specifically include with
Lower step:
(A) to electric discharge the mesohalobic concentration in pond 1 deploy, by control NaCl additional amount, adjust brine strength to
5~10%；
(B) used Li ion cell is fitted into packaging material frame, opens the sealing cover in electric discharge pond 1, it will be equipped with used Li ion electricity
The packaging material frame in pond is put into electric discharge pond 1, closes sealing cover, opens emission-control equipment；
(C) control used Li ion cell soaking time in electric discharge pond 1 is 72~96h, until voltage takes when being lower than 1.5V
Used Li ion cell out；
(D) used Li ion cell after electric discharge is moved to vibrating hydroextractor 6, using the de- dry useless lithium of vibrating hydroextractor 6 from
The moisture of sub- battery surface makes the moisture on used Li ion cell surface lower than 5%.
The above is only a preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-mentioned implementation
Example.To those of ordinary skill in the art, obtained improvement and change in the case where not departing from the technology of the present invention concept thereof
It changes and also should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of used Li ion cell discharge system suitable for industrial applications, including more than one for storing putting for salt water
Battery (1), it is characterised in that: respectively electric discharge pond (1) has sealing cover to be opened/closed, and respectively electric discharge pond (1) is connected with for collecting
Handle the emission-control equipment of generated exhaust gas in discharge process.
2. used Li ion cell discharge system according to claim 1, it is characterised in that: the emission-control equipment includes
The gas exhaust piping (2) being connected to each electric discharge pond (1) inner cavity, the gas exhaust piping (2) is equipped with air exhauster (3), alkali formula sprays
Tower (4) and activated carbon adsorber (5).
3. used Li ion cell discharge system according to claim 2, it is characterised in that: the alkali formula spray column (4) is lived
Property charcoal adsorption tower (5) and air exhauster (3) are sequentially arranged along the discharge directions of gas exhaust piping (2).
4. used Li ion cell discharge system according to claim 1, it is characterised in that: the used Li ion cell electric discharge
System further includes packaging material frame for putting used Li ion cell and for the packaging material frame being packed into or being taken out electric discharge pond
(1) handling apparatus.
5. used Li ion cell discharge system according to claim 4, it is characterised in that: the used Li ion cell electric discharge
System further includes the vibrating hydroextractor (6) for being dehydrated to the used Li ion cell after the electric discharge in electric discharge pond (1), described
Vibrating hydroextractor (6) is located in the range of the handling apparatus handling packaging material frame can reach.
6. used Li ion cell discharge system according to claim 5, it is characterised in that: the vibrating hydroextractor (6) and
All electric discharge ponds (1) are arranged in a centralized processing pond (7).
7. used Li ion cell discharge system according to claim 1, it is characterised in that: the used Li ion cell electric discharge
System is additionally provided with cooling bay, is equipped with the heat exchanger being connected with cooling tower in the cooling bay, each electric discharge pond (1) passes through pipeline
It is connected to form a circulation loop with cooling bay, the circulation loop is equipped with circulating pump.
8. used Li ion cell discharge system according to claim 1, it is characterised in that: pond (1) bottom of respectively discharging passes through
Plumbing drain is connected with Sewage Disposal, and the plumbing drain is equipped with sewage pump (8).
9. used Li ion cell discharge system according to claim 1, it is characterised in that: the used Li ion cell electric discharge
System further includes automatic salting device, and the automatic salting device is at interval of in one section of primary electric discharge pond (1) of setting time detection
The concentration of salt water, and according to the brine strength value of detection control to electric discharge pond (1) in salt adding amount so that electric discharge pond (1) in salt water
Concentration be maintained at setting range.
10. used Li ion cell discharge system according to any one of claim 1 to 9, it is characterised in that: the sealing
Lid is hingedly mounted in electric discharge pond (1), and flexible actuator, the flexible actuator and sealing are equipped on the electric discharge pond (1)
The opening that lid is connected and sealing cover can be driven to open or close electric discharge pond (1) around hinge axes movement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811496724.4A CN109713391A (en) | 2018-12-07 | 2018-12-07 | Used Li ion cell discharge system suitable for industrial applications |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811496724.4A CN109713391A (en) | 2018-12-07 | 2018-12-07 | Used Li ion cell discharge system suitable for industrial applications |
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| Publication Number | Publication Date |
|---|---|
| CN109713391A true CN109713391A (en) | 2019-05-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811496724.4A Pending CN109713391A (en) | 2018-12-07 | 2018-12-07 | Used Li ion cell discharge system suitable for industrial applications |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111969268A (en) * | 2020-08-03 | 2020-11-20 | 界首市南都华宇电源有限公司 | Waste lithium battery discharge auxiliary equipment and discharge method thereof |
| CN113488712A (en) * | 2021-07-05 | 2021-10-08 | 北矿机电科技有限责任公司 | Discharging device and method for intermittent closed power lithium battery |
| CN115156230A (en) * | 2022-06-30 | 2022-10-11 | 江苏钜联环境技术有限公司 | Ternary lithium battery discharge waste gas collection system |
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| CN105449304A (en) * | 2015-12-23 | 2016-03-30 | 珠海格力电器股份有限公司 | Treatment method and treatment system of waste lithium battery |
| CN106229571A (en) * | 2016-08-12 | 2016-12-14 | 上海交通大学 | Batch reclaims the semi-enclosed electric discharge device of waste and old lithium ion battery |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111969268A (en) * | 2020-08-03 | 2020-11-20 | 界首市南都华宇电源有限公司 | Waste lithium battery discharge auxiliary equipment and discharge method thereof |
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| CN113488712A (en) * | 2021-07-05 | 2021-10-08 | 北矿机电科技有限责任公司 | Discharging device and method for intermittent closed power lithium battery |
| CN115156230A (en) * | 2022-06-30 | 2022-10-11 | 江苏钜联环境技术有限公司 | Ternary lithium battery discharge waste gas collection system |
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Application publication date: 20190503 |