CN208078088U - Negative pressure formation device and negative pressure extracting mechanism - Google Patents
Negative pressure formation device and negative pressure extracting mechanism Download PDFInfo
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- CN208078088U CN208078088U CN201820455813.3U CN201820455813U CN208078088U CN 208078088 U CN208078088 U CN 208078088U CN 201820455813 U CN201820455813 U CN 201820455813U CN 208078088 U CN208078088 U CN 208078088U
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- shell
- negative pressure
- baffle
- opening
- extracting mechanism
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Cleaning By Liquid Or Steam (AREA)
Abstract
The utility model provides a kind of negative pressure formation device and negative pressure extracting mechanism, belongs to field of mechanical technique.It solves existing convenient for technical problems such as the cleanings of shell.This negative pressure formation device and negative pressure extracting mechanism, including multiple shells being arranged in order, the suction nozzle for extracting electrolyte is provided on shell, it is characterized in that, being provided with opening on the housing bottom, the suction nozzle can be opened and closed with opening, each two shell is one group, it is provided with the communicating pipe of connection opening between every group of two shells, is connected on the shell for interconnected conduit assembly, the exhaust tube for vacuumizing is connected on the shell of end.Multiple shells are together in series by the utility model, can synchronize together and carry out drawing liquid, while enabling cleaning solution being cleaned to housing bottom one by one by the structure of communicating pipe, eliminate to remove shell from equipment and come out.
Description
Technical field
The utility model belongs to machinery field, is related to a kind of negative pressure formation device and negative pressure extracting mechanism.
Background technology
Lithium ion battery is a high-performance, environmental protection, energy-storage battery, in recent years, fast development be commercial cells with
High voltage, high energy is close, good cycle life is widely used in the fields such as vehicle, medical treatment, military affairs.For respective market demand,
Lithium ion battery safety performance and service life are improved, lithium ion battery is to pole plate manufacturing process early period, assembly, each link of chemical conversion
Manufacture craft suffers from stringent control.
Wherein, lithium ion battery has battery performance critically important influence in the chemical conversion stage.In the chemical conversion stage, to make to bear
Pole surface generates good SEI films, is melted into using negative pressure in the chemical conversion stage, and the gas generated when Battery formation is discharged in time makes
SIE films generate uniform and stable, improve battery performance.
China's Patent Application Publication (notification number：CN203553288U；The day for announcing：2017.04.16) in disclose one kind
Rectangular aluminum-shell lithium battery negative pressure is melted into auxiliary device, includes lifting platform and vacuum system, be fixedly installed on lifting platform with very
Multiple vaccum suction pipes of empty set system connection, soft sucker is provided on vaccum suction pipe, and soft sucker can carry out inside battery to take out true
It is empty.
In above-mentioned technical proposal, during vacuumizing, the liquid of inside battery can by vaccum suction pipe, but if
When the equipment does not work for a long time or needs replacing electrolyte, need to clean vaccum suction pipe.A large amount of vacuum is inhaled
Pipe comes out cleaning by hand by dismantling one by one, complicated for operation, and efficiency is low.
Invention content
The utility model existing above problem in view of the prior art provides a kind of negative pressure formation device and negative pressure extracting
Mechanism, technical problem to be solved in the utility model are：Convenient for the cleaning to shell.
The purpose of this utility model can be realized by following technical proposal：
A kind of negative pressure extracting mechanism, including multiple shells being arranged in order are provided with for extracting electrolyte on shell
Suction nozzle, which is characterized in that opening is provided on the housing bottom, the suction nozzle can be opened and closed with opening, and each two shell is
One group, the communicating pipe of connection opening is provided between every group of two shells, the negative pressure extracting mechanism further includes by each shell
The interconnected conduit assembly of body, is connected with the exhaust tube for vacuumizing on the shell of end.
It can make multiple shells by an exhaust tube by multiple shells mutually together with getting up by conduit assembly
Interior air pressure reduces together, only needs to close opening blocking communicating pipe at work, so that it may so that each shell realization is only
Vertical normal drawing liquid.When needing to carry out to shell body cleaning, conduit assembly provides the negative pressure that cleaning solution is extracted in shell, together
When, open opening make each group two housing bottom communicating pipe unicom, the bottom of two neighboring shell can be made to join communicating pipe
Logical, cleaning solution enters next housing bottom that shell can flow directly into same group by communicating pipe later, makes the bottom of shell
Realize cleaning in portion.During cleaning, it is located at after one group of shell filling Qing Dynasty washing lotion of head end position, under cleaning solution flows into
One group of shell is cleaned, and successively until last, exhaust tube provides the continuous negative pressure for extracting cleaning solution in cleaning process.
Multiple shells can be together in series by above structure, can synchronize together and carry out drawing liquid, while pass through communicating pipe
Structure enables cleaning solution being cleaned to housing bottom one by one, eliminates to remove shell from equipment and comes out.
In above-mentioned negative pressure extracting mechanism, the conduit assembly includes the first supervisor and multiple is connected to first with shell
Pipe, first branch pipe is both connected on the first supervisor, and first branch pipe is corresponded with shell, first supervisor and the
One branch pipe is made of resistant material.Second branch pipe is connected on the first supervisor, its can be made each by the first supervisor
Air-flow can be interconnected with liquid between shell, complete the work of drawing liquid and cleaning.
In above-mentioned negative pressure extracting mechanism, the conduit assembly includes multiple second branch pipes, between two neighboring shell
It is connected to by the second branch pipe, second branch pipe is made of resistant material.The sequentially connected structure of second branch pipe makes adjacent two
Connectivity structure is kept between a shell, the negative pressure in such exhaust tube can be transmitted to each shell by the structure being sequentially communicated
It is interior, while in cleaning, cleaning solution also can successively flow in each shell.
In above-mentioned negative pressure extracting mechanism, in the shell of head end position rotation be provided with first baffle, described the
One baffle can be such that opening is opened and closed by rotation, rotated in remaining shell and be provided with second baffle, the second baffle can pass through
Rotation makes opening or suction nozzle be opened and closed.When cleaning, the first baffle of adjustment head end position shell makes its opening open, together
When suction nozzle be also at opening state, adjust the second baffle on remaining shell make remaining shell opening open and suction nozzle close,
Then being in an open state communicating pipe between shell two neighboring in this way, cleaning solution can be inhaled into from suction nozzle on head end shell
It enters in shell, then from opening and the bottom for being transferred to another shell communicating pipe, waits until that it is filled and then leads to later
Piping component is gradually transferred to other shells, can be cleaned to the intracavity bottom of shell.
It is rotated in above-mentioned negative pressure extracting mechanism, in the shell and is provided with third baffle, the third baffle can lead to
Rotation is crossed by opening or suction nozzle opening and closing, the inlet tube sucked for cleaning solution is additionally provided on the shell of head end position.?
When cleaning, the position of third baffle is adjusted so that the opening of all shells is opened and suction nozzle is closed, and two neighboring shell is logical
Communicating pipe is connected to.Then inlet tube is opened, so that cleaning solution is flowed into the shell positioned at head end position from inlet tube, then by opening
Mouthful be transferred to communicating pipe in next shell, by the connection and extraction of conduit assembly, cleaning solution fills up the shell of front two again
Gradual backward shell shifts again after body, is then cleaned to all shells.
The purpose of this utility model can be also realized by following technical proposal：
A kind of negative pressure formation device includes the workbench for installing battery, and being provided on the workbench can be with respect to work
Make the movable plate of platform lifting, which is characterized in that the movable plate is provided with respect to workbench side as described in above-mentioned technical proposal
Negative pressure extracting mechanism.Movable plate upper and lower displacement and then can drive negative pressure extracting component to be inserted into or far from battery, realize and take out
It takes and switching when cleaning.
In above-mentioned negative pressure formation device, negative pressure formation device includes vacuum drawn mechanism, the vacuum drawn machine
Structure includes the holding vessel being connect with exhaust tube, and escape pipe and the vacuum pump for pumping are provided on the holding vessel.Vacuum
Pump is capable of providing pull of vacuum, is transmitted on conduit assembly, is eventually transferred on shell by escape pipe and liquid suction pipe, and then will
Extra gas is extracted out with liquid, and the liquid of extraction stores in holding vessel, and gas is pumped with vacuum pump.
In above-mentioned negative pressure formation device, be provided with surge tank on the escape pipe, surge tank be located at holding vessel with it is true
Between sky pump.The structure of surge tank can buffer the liquid in escape pipe, with the extraction surge tank of vacuum pump can store from
The liquid that escape pipe comes out, and then ensure that liquid will not enter in vacuum pump.
Compared with prior art, the utility model has the following advantages：
1, it can coordinate multiple circuit designs that can realize normal negative pressure chemical conversion work and clear based on hatch frame
Wash the conversion of state.
2, by the connection between multiple shells, save the efficiency brought conventionally by disassembly, cleaning vacuum cup it is low and its
His unnecessary hidden danger, disposably cleans multiple inner walls.
Description of the drawings
Fig. 1 is the dimensional structure diagram of example IV.
Fig. 2 is example IV construction profile.
Fig. 3 is the structural schematic diagram for implementing one.
Fig. 4 is to implement two and three structural schematic diagrams of implementation.
Fig. 5 is the structural schematic diagram for implementing one with first baffle in embodiment three.
Fig. 6 is the structural schematic diagram for implementing one with second baffle in embodiment three.
Fig. 7 is the structural schematic diagram for implementing third baffle in two.
In figure, 1, shell；11, suction nozzle；12, it is open；13, communicating pipe；14, inlet tube；21, the first supervisor；22, first
Pipe；31, the second supervisor；32, the second branch pipe；41, first baffle；42, second baffle；43, third baffle；51, frame；52, work
Make platform；53, movable plate；61, holding vessel；62, vacuum pump；63, exhaust tube；64, escape pipe；65, surge tank.
Specific implementation mode
It is specific embodiment of the utility model and in conjunction with attached drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these examples.
Embodiment one
As shown in figure 3, a kind of negative pressure extracting mechanism, including multiple linear distributing shells 1, the bottom setting of shell 1
Be useful for extracting the suction nozzle 11 of electrolyte, suction nozzle 11 be inserted on battery so that by the extra gas of inside battery or
Liquid is siphoned away.Two neighboring shell 1 is one group, and multigroup shell 1 being arranged in order constitutes lineal layout.The bottom of each shell 1
There are one openings 12 for portion's setting, and the communicating pipe 13 for connection is provided between the opening 12 of each group of shell 1.Multiple shells 1
On be connected with for interconnected conduit assembly, the escape pipe 64 for pumping is provided on the shell 1 of end-position.
Conduit assembly includes the first supervisor 21 and the first branch pipe 22, and first branch pipe is connected on each shell 1
22, the first all branch pipes 22 is both connected on the first supervisor 21, and vacuum suction and then each first are carried out to the first supervisor 21
Pull of vacuum can be transmitted on shell 1 by branch pipe 22 so that pull of vacuum is generated in shell 1.Wherein, the first supervisor 21, the
One branch pipe 22 is made with 11 three of suction nozzle of resistant material, and anticorrosive material is the corrosion resistant plastics such as PT.
As shown in figs. 5 and 6, rotation is provided with first baffle 41 in head end position shell 1, and first baffle 41 can
Opening 12 is sealed by rotation, and interior rotation is provided with second baffle 42 on remaining shell 1,42 structure of second baffle compared with
Long, opening 12 or suction nozzle 11 can be opened and closed by second baffle 42 by rotation, second baffle 42 when sealed opening 12,
Suction nozzle 11 is opened, and second baffle 42 is when sealed sucktion nozzle 11, and opening 12 is opened.First baffle 41 and second baffle 42
It is rotated by shaft, shaft is pierced by shell 1, and people can adjust shaft and then adjust first baffle 41 and second baffle
42 position, and then realize the switching of cleaning and working condition.
When needing cleaning, it is located at the first baffle 41 in head end position shell 1 and opens opening 12, simultaneously will
The pipeline of the connection conveying cleaning solution of suction nozzle 11 of head end position shell 1, while the second baffle 42 of other positions shell 1 is adjusted,
Make its will opening 12 open and suction nozzle 11 close.Then exhaust tube 63 produces pull of vacuum by conduit assembly to each shell 1,
Cleaning solution is inhaled into from suction nozzle 11 in head end position shell 1 first, then enters next shell 1 by communicating pipe 13, etc.
To the shell 1 of front two full of after cleaning solution, cleaning solution is flowed into next group of shell by the first branch pipe 22 and first supervisor 21
In body 1, it is continuously introduced to next group after being filled up, continues to finish the disposable cleaning of all shells 1 in this way.
After cleaning finishes, first baffle 41 is rotated, makes first baffle 41 that will be open 12 sealings, while also rotating the
Suction nozzle 11 is opened and then seals opening 12 by two baffles 42, and shell 1 each in this way restores to reset condition to continue
Extract processing.
Embodiment two
As shown in figure 4, a kind of negative pressure extracting mechanism, difference lies in seal assemblies and pipeline group with implementing one for the present embodiment
Part, in the present embodiment, conduit assembly include the second branch pipe 32, are connected to by the second branch pipe 32 between two neighboring shell 1, the
Two branch pipes 32 each shell 1 can be connected unicom is got up, and then the transmission that the evacuation suction on exhaust tube 63 can be stablized
To above each shell 1.
It is provided with third baffle 43,43 structure of third baffle as shown in fig. 6, rotating in the present embodiment, in each shell 1
It is longer, second baffle 42 can by rotation will opening 12 or suction nozzle 11 be opened and closed, third baffle 43 sealed opening 12 when
It waits, suction nozzle 11 is opened, and third baffle 43 is when sealed sucktion nozzle 11, and opening 12 is opened.Third baffle 43 by shaft into
Row rotation, shaft are pierced by shell 1, and people can adjust shaft and then adjust the position of second baffle 42, so realize cleaning with
The switching of working condition.
Meanwhile inlet tube 14 is offered on head end position shell 1, it is provided with sealing-plug on inlet tube 14, in sealing-plug
When opening, it can be flowed into for extraneous liquid.Wherein, inlet tube 14 is made of resistant material, anticorrosive material PT
Etc. corrosion resistant plastics.
Need cleaning when, the third baffle 43 of adjustment housings 1, make its will opening 12 open and suction nozzle 11 close,
The inlet tube 14 of head end position shell 1 is opened simultaneously and connects the pipeline of conveying cleaning solution.Then pass through third supervisor and the
Three branch pipes produce pull of vacuum to each shell 1, and cleaning solution is inhaled into head end position shell 1 from suction nozzle 11, then passes through first
Communicating pipe 13 enters next shell 1, and until the shell 1 of front two is full of after cleaning solution, cleaning solution passes through third branch pipe
Be flowed into next group of shell 1, next group is continuously introduced to after being filled up, so persistently by all shells 1 one
Secondary property cleaning finishes.
After cleaning finishes, third baffle 43 is rotated, by 12 sealing of opening and is opened suction nozzle 11, shell each in this way
Body 1 restores to reset condition to continue to extract processing.
Embodiment three
As shown in figure 5, a kind of negative pressure extracting mechanism, difference lies in conduit assemblies with implementing one for the present embodiment, in this reality
It applies in example, conduit assembly includes the second branch pipe 32, is connected to by the second branch pipe 32 between two neighboring shell 1, the second branch pipe 32
The unicom that each shell 1 can be connected is got up, and then being transmitted to of can stablizing of evacuation suction on the second supervisor 31 is each
Above shell 1.Wherein, the second branch pipe 32 is made of resistant material, and anticorrosive material is the corrosion resistant plastics such as PT.
Its cleaning of negative pressure extracting mechanism in the present embodiment is identical as embodiment one as the switching of working condition.
Example IV
As shown in Figures 1 and 2, a kind of negative pressure formation device, including frame 51 are provided with for installing battery on frame 51
Workbench 52, the top of workbench 52 is provided with the movable plate 53 that can be lifted with respect to workbench 52, the workbench relatively of movable plate 53
52 sides are provided with such as the negative pressure extracting mechanism described in embodiment one or implementation two or embodiment three.It is connected on movable plate 53
For the cylinder of driving, cylinder drives movable plate 53 to move up and down.
Negative pressure formation device further includes having vacuum drawn mechanism, and vacuum drawn mechanism includes vacuum pump 62 and holding vessel 61,
For storing liquid, exhaust tube 63 is connected on holding vessel 61 holding vessel 61, and escape pipe 64, exhaust tube are connected on holding vessel 61
63 are both connected to 61 top of holding vessel with escape pipe 64.Vacuum pump 62 is connect with escape pipe 64, while being arranged on escape pipe 64
It is the larger slack tank of volume to have surge tank 65, surge tank 65.
In production, movable plate 53 declines, so that suction nozzle 11 plugs together on the battery on workbench 52, completes to take out
Take processing.When cleaning, movable plate 53 rises.The unlatching of vacuum pump 62 simultaneously can be evacuated conduit assembly, clear
During washing, the cleaning solution of extraction product comes out from exhaust tube 63, then into remaining gas in holding vessel 61 from outlet
Pipe 64 enters in vacuum pump 62, if there is partially liq can out be accumulated from escape pipe 64 in surge tank 65, avoids it
Vacuum pump 62 is entered, liquid when vacuum pump 62 is stopped in surge tank 65 can flow back in holding vessel 61.
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute
Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar
Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Although 1, shell is used more herein；11, suction nozzle；12, it is open；13, communicating pipe；14, inlet tube；21,
One supervisor；22, the first branch pipe；31, the second supervisor；32, the second branch pipe；41, first baffle；42, second baffle；43, third gear
Plate；51, frame；52, workbench；53, movable plate；61, holding vessel；62, vacuum pump；63, exhaust tube；64, escape pipe；65, delay
The terms such as tank are rushed, but it does not preclude the possibility of using other terms.The use of these items is only for more easily describe
With the essence for explaining the utility model；Being construed as any one of the additional limitations all is disagreed with the spirit of the present invention
The back of the body.
Claims (8)
1. a kind of negative pressure extracting mechanism, including multiple shells (1) being arranged in order, it is provided on shell (1) for extracting electrolysis
The suction nozzle (11) of liquid, which is characterized in that opening (12), the suction nozzle (11) and opening are provided on shell (1) bottom
(12) it can be opened and closed, each two shell (1) is one group, and the company of connection opening (12) is provided between every group of two shells (1)
Siphunculus (13), the negative pressure extracting mechanism further include the conduit assembly that each shell (1) is interconnected, and are located at the shell of end
(1) exhaust tube (63) for vacuumizing is connected on.
2. negative pressure extracting mechanism according to claim 1, which is characterized in that the conduit assembly includes the first supervisor (21)
The first branch pipe (22) is connected to shell (1) with multiple, first branch pipe (22) is both connected on the first supervisor (21), and described
One branch pipe (22) is corresponded with shell (1), and first supervisor (21) is made with the first branch pipe (22) of resistant material.
3. negative pressure extracting mechanism according to claim 1, which is characterized in that the conduit assembly includes multiple second branch pipes
(32), it is connected to by the second branch pipe (32) between two neighboring shell (1), second branch pipe (32) is by resistant material system
At.
4. negative pressure extracting mechanism according to claim 2 or 3, which is characterized in that be located in the shell (1) of head end position and turn
Dynamic to be provided with first baffle (41), the first baffle (41) can be such that opening (12) is opened and closed by rotation, in remaining shell (1)
Rotation is provided with second baffle (42), and the second baffle (42) can be such that opening (12) or suction nozzle (11) is opened and closed by rotation.
5. negative pressure extracting mechanism according to claim 2 or 3, which is characterized in that rotation is provided with the in the shell (1)
Three baffles (43), the third baffle (43) can will be open (12) by rotation or suction nozzle (11) is opened and closed, and is located at head end position
Shell (1) on be additionally provided with the inlet tube (14) sucked for cleaning solution.
6. a kind of negative pressure formation device includes for installing the workbench of battery (52), being provided on the workbench (52) can
The movable plate (53) of opposite workbench (52) lifting, which is characterized in that the movable plate (53) sets with respect to workbench (52) side
It is equipped with the negative pressure extracting mechanism as described in claims 1 to 3 any one.
7. negative pressure formation device according to claim 6, which is characterized in that the negative pressure formation device includes that vacuum is taken out
It includes the holding vessel (61) being connect with exhaust tube (63) to take mechanism, the vacuum drawn mechanism, is set on the holding vessel (61)
It is equipped with escape pipe (64) and the vacuum pump (62) for pumping.
8. negative pressure formation device according to claim 7, which is characterized in that be provided with surge tank on the escape pipe (64)
(65), surge tank (65) is located between holding vessel (61) and vacuum pump (62).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820455813.3U CN208078088U (en) | 2018-04-02 | 2018-04-02 | Negative pressure formation device and negative pressure extracting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820455813.3U CN208078088U (en) | 2018-04-02 | 2018-04-02 | Negative pressure formation device and negative pressure extracting mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208078088U true CN208078088U (en) | 2018-11-09 |
Family
ID=64042981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820455813.3U Active CN208078088U (en) | 2018-04-02 | 2018-04-02 | Negative pressure formation device and negative pressure extracting mechanism |
Country Status (1)
| Country | Link |
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| CN (1) | CN208078088U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109786841A (en) * | 2018-12-13 | 2019-05-21 | 中国科学院电工研究所 | A kind of preparation method of lithium ion electrochemical energy storage device |
| CN112452908A (en) * | 2020-11-20 | 2021-03-09 | 苏州凌威新能源科技有限公司 | Cleaning equipment and method for cleaning battery formation equipment |
-
2018
- 2018-04-02 CN CN201820455813.3U patent/CN208078088U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109786841A (en) * | 2018-12-13 | 2019-05-21 | 中国科学院电工研究所 | A kind of preparation method of lithium ion electrochemical energy storage device |
| CN109786841B (en) * | 2018-12-13 | 2020-12-15 | 中国科学院电工研究所 | Preparation method of lithium ion electrochemical energy storage device |
| CN112452908A (en) * | 2020-11-20 | 2021-03-09 | 苏州凌威新能源科技有限公司 | Cleaning equipment and method for cleaning battery formation equipment |
| CN112452908B (en) * | 2020-11-20 | 2023-10-27 | 湖南领湃达志科技股份有限公司 | Cleaning equipment and method for cleaning battery formation equipment |
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