CN106611883A - Acid circulation device for lead-acid storage battery internal formation - Google Patents
Acid circulation device for lead-acid storage battery internal formation Download PDFInfo
- Publication number
- CN106611883A CN106611883A CN201510702311.7A CN201510702311A CN106611883A CN 106611883 A CN106611883 A CN 106611883A CN 201510702311 A CN201510702311 A CN 201510702311A CN 106611883 A CN106611883 A CN 106611883A
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- China
- Prior art keywords
- acid
- peracid
- sour
- low
- pond
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/06—Lead-acid accumulators
- H01M10/12—Construction or manufacture
-
- 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
-
- 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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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Hybrid Cells (AREA)
Abstract
The invention discloses an acid circulation device for lead-acid storage battery internal formation, wherein the acid circulation device can prevent acid fog from spreading all over the air, can shorten the time taken from completion of internal formation to perfusion of high acid. The acid circulation device includes high and low acid re-distribution precipitation tank groups, an acid circulating pump, a battery acid-inlet header pipe, a battery acid-back header pipe and a heat exchanger; acid inlets of the high and low acid re-distribution precipitation tank groups are provided with acid inlet valves respectively, and acid outlets of the high and low acid re-distribution precipitation tank groups are provided with acid outlet valves respectively; an acid inlet of the heat exchanger communicates with the acid outlet valves of the high and low acid re-distribution precipitation tank groups through a cooling acid-inlet pipe, and an acid outlet of the heat exchanger communicates with an acid inlet of the battery acid-inlet header pipe through a cooling acid-outlet pipe; the battery acid-inlet header pipe and a battery acid-back pipe are connected with a lead-acid storage battery; an acid outlet of the battery acid-back header pipe is connected with an acid outlet of the acid circulating pump; the acid outlet of the acid circulating pump is connected with the acid inlet valves of the high and low acid re-distribution precipitation tank groups. The acid circulation device has the advantages of environmental protection and sanitation, and can shorten the production cycle.
Description
Technical field
The present invention relates to a kind of follow for the acid that lead-acid accumulator is internalized into during lead-acid storage battery production
Loop device.
Background technology
Formation regime during lead-acid storage battery production mainly has two kinds, i.e.,：Tank formation and it is internalized into.Outward
Chemical conversion also cries that pole plate is melted into or channelization is into as the pollution of tank formation is larger, being internalized into now and be increasingly subject to
The favor of lead-acid storage battery production, has obtained widely applying.At present, 1.19 are used using sour circulating device generally
Gram/cc low acid and 1.315 grams/cc of peracid lead-acid accumulator is being internalized into.Pass
The sour circulating device of system, its structure include：Acid tower is matched somebody with somebody in high and low acid, and height acid passes through pipeline and position with acid tower
The acid inlet of the lead-acid accumulator under tower is connected, and the acid mouth of lead-acid accumulator is sour to being located at by back of pipeline
Returning in sour pond below lead-acid accumulator.Why using sour circulating device, it is to control lead-acid accumulator
Temperature rise.However, during being internalized into lead-acid accumulator, the acid mist of generation can spread in air
In, to environment；Additionally, being internalized into the later stage, need manually by the low acid in lead-acid accumulator
Outwell, 1.315 grams/cc of peracid is then poured into toward lead-acid accumulator, continue to lead-acid accumulator
Be internalized into, operate it is cumbersome so that be internalized into be accomplished to perfusion peracid the time spent in it is longer, from
And have influence on the production efficiency of lead-acid accumulator.
The content of the invention
The technical problem to be solved is：There is provided one kind can avoid acid mist from diffusing air and can
Shortening is internalized into the acid circulation dress being internalized into for lead-acid accumulator of the time spent in being accomplished to perfusion peracid
Put.
To solve above-mentioned technical problem, the technical solution used in the present invention is：It is internalized into for lead-acid accumulator
Sour circulating device, including：High and low sour Hui Peichi, at least one peracid sedimentation tank, at least one low acid
Sedimentation tank, acid circulating pump, battery enter sour house steward, battery and return sour house steward and heat exchanger and and heat exchanger
Connected cooling source, is provided with heat exchanging pipe in heat exchanger；Along acid flow direction, peracid return with pond with
All peracid sedimentation tanks by pipeline and be opened in respectively peracid return match somebody with somebody pond and all peracid sedimentation tanks on enter,
Acid mouth is sequentially connected in series together, and low acid to be returned and pass through pipeline with pond and all low Acid precipitation ponds and be opened in respectively
Low acid is returned with pond together with being sequentially connected in series into and out of sour mouth on all low Acid precipitation ponds, peracid sedimentation tank
Peracid acid inlet valve is provided with acid inlet, peracid is provided with the acid mouth of the peracid sedimentation tank of end and is gone out
Sour valve, be provided with low sour acid inlet valve on the acid inlet in low Acid precipitation pond, the low Acid precipitation pond positioned at end goes out
Low acid is provided with sour mouth and goes out sour valve；The acid inlet of described heat exchanger is gone out with peracid by cooling down acid inlet tube
Sour valve goes out sour valve with low acid and is connected, and the acid mouth of heat exchanger enters sour house steward with battery by cooling down out acid tube
Acid inlet be connected, battery enter between sour house steward and the inlet of several lead-acid accumulators correspond connect
Battery acid inlet tube is connected to, the liquid return hole of several lead-acid accumulators and described battery are returned one between sour house steward
One correspondence is connected with battery and returns acid tube, and battery returns sour house steward and acid mouth is offered at the top of which, and the acid mouth is led to
Peracid pump feed tube is connected with the acid inlet of acid circulating pump, and the acid mouth of acid circulating pump pumps out liquid pipe by acid
It is connected with peracid acid inlet valve and low sour acid inlet valve.
Described peracid returns and with the connected mode between pond and peracid sedimentation tank and peracid sedimentation tank is：Peracid
The respective acid inlet of Hui Peichi and peracid sedimentation tank is opened in top, and peracid is returned with pond and peracid sedimentation tank
Each acid mouth is opened in bottom, and the acid mouth of peracid Hui Peichi passes through pipeline and a peracid sedimentation tank
Acid inlet is connected, and the acid mouth of the peracid sedimentation tank is connected with the acid inlet of next peracid sedimentation tank, with this
Analogize；Described low acid is returned be connected between pond and low Acid precipitation pond and low Acid precipitation pond mode and peracid
Connected mode between Hui Peichi and peracid sedimentation tank and peracid sedimentation tank is identical.
The top that complex acid pond is gone back in the high and low acid is equipped with exhaustor respectively, and on exhaustor, string is provided with acid mist
Reason device.
The top for being close to the peracid sedimentation tank of peracid Hui Peichi and the low Acid precipitation for being close to low sour Hui Peichi
The top in pond is equipped with respectively for detecting the detection mouth of proportion and temperature.
Described cooling down out be provided with the pipeline of acid tube temperature sensor.
The cooling water for connecting cooling source and heat exchanger inner chamber is provided between described cooling source and heat exchanger
Pipe and the water pipe that flows back.
The invention has the beneficial effects as follows：Present invention employs sealed pipeline structure and taking out of matching therewith
Suction acid circulating pump, the cooling source for active cooling and coupled logical heat exchanger so that acid solution
When lead-acid accumulator is internalized into, the liquid mist in lead-acid accumulator and pipeline will not be spilt in air,
So as to pollute to the surrounding of lead-acid accumulator and pipeline；And, after the completion of being internalized into, only
Low acid suction in lead-acid accumulator and pipeline need to be fallen by acid circulating pump, then, then peracid be returned with precipitation
The peracid of Chi Zuzhong is fed in lead-acid accumulator, is substantially reduced to be internalized into complete to irrigate peracid and is spent
Time, also, labor intensity and human cost are alleviated, improve the production efficiency of lead-acid accumulator.Remove
Outside this, as on exhaustor, string has set acid mist processor so that the acid mist in whole acid circulating device will not
Spill in air, so as to pollute to the surrounding of high and low sour Hui Peichi, it is ensured that high,
The physical and mental health with the operator in the surrounding of pond is returned in low acid.
Description of the drawings
Fig. 1 is the structural representation of the present invention.
Fig. 2 is high and low partial structural diagram of the acid time with sedimentation tank group in Fig. 1.
Fig. 3 is low partial structural diagram of the acid time with sedimentation tank group in Fig. 1.
In Fig. 1 to Fig. 3：1st, heat exchanger, 2, cooling source, 3, temperature sensor, 4, battery enter acid
House steward, 5, battery return sour house steward, 6, acid circulating pump, 7, low acid return with sedimentation tank group, 71, low acid returns and match somebody with somebody
Pond, 72, low Acid precipitation pond, 73, low Acid precipitation pond, 8, peracid return with sedimentation tank group, 81, peracid returns and match somebody with somebody
Pond, 82, peracid sedimentation tank, 83, peracid sedimentation tank, 9, lead-acid accumulator, 11, exhaustor, 12, acid
Mist processor, 13, detection mouth, 21, complex acid valve, 22, water distribution valve, 23, complex acid valve, 24, water distribution valve,
25th, low sour acid inlet valve, 26, peracid acid inlet valve, 27, low acid go out sour valve, 28, peracid go out sour valve, 31,
Low acid goes out acid tube, 32, peracid go out acid tube, 33, cooling acid inlet tube, 34, cool down out acid tube, 35, battery
Acid inlet tube, 36, battery return acid tube, 37, sour pump feed tube, 38, acid pump out liquid pipe, 39, cooling water pipe,
40th, flow back water pipe.
Specific embodiment
Below in conjunction with the accompanying drawings, specific embodiments of the present invention are described in detail：
As shown in figure 1, a kind of sour circulating device being internalized into for lead-acid accumulator, including：Returned by peracid
Peracid with pond 81 and two compositions of peracid sedimentation tank 82 and 83 is returned with sedimentation tank group 8, by low sour Hui Peichi
71 and the low acid of two low Acid precipitation ponds 72 and 73 composition return to enter with sedimentation tank group 7, acid circulating pump 6, battery
Sour house steward 4, battery returns sour house steward 5 and heat exchanger 1 and the cooling source 2 being connected with heat exchanger 1, should
The cooling water pipe for connecting cooling source 2 and 1 inner chamber of heat exchanger is provided between cooling source 2 and heat exchanger 1
39 and backflow water pipe 40, be provided with heat exchanging pipe in heat exchanger 1；Along the flow direction of acid, peracid is returned matches somebody with somebody
Pond 81 and two peracid sedimentation tanks 82 and 83 pass through pipeline and are opened in peracid respectively and return to match somebody with somebody pond 81 and two
Together with peracid sedimentation tank 82 and the peracid on 83 are sequentially connected in series into and out of sour mouth, low acid is returned with pond 71 and two
Individual low Acid precipitation pond 72 and 73 passes through pipeline and is opened in low acid respectively to return with pond 71 and two low Acid precipitation ponds
72 be sequentially connected in series into and out of sour mouth with the low acid on 73 together with, arrange on the acid inlet of peracid sedimentation tank 81
There is peracid acid inlet valve 26, the peracid sedimentation tank positioned at end is height to be provided with the acid mouth of peracid sedimentation tank 83
Acid goes out sour valve 28, is provided with low sour acid inlet valve 25, positioned at the low of end on the acid inlet in low Acid precipitation pond 71
Acid precipitation pond is to be provided with low acid to go out sour valve 27 in the acid mouth in low Acid precipitation pond 73, and peracid goes back to complex acid pond 81
The top that complex acid pond 71 is gone back to low acid is equipped with exhaustor 11 respectively, and on exhaustor 11, string is provided with acid mist process
Device 12；The acid inlet of described heat exchanger 1 is that the acid inlet of the heat exchanging pipe in heat exchanger 1 passes through
Cooling acid inlet tube 33 goes out sour valve 28 with peracid and low acid goes out sour valve 27 and is connected, the acid mouth of heat exchanger 1
The acid mouth of the heat exchanging pipe i.e. in heat exchanger 1 enters sour house steward 4 with battery by cooling down out acid tube 34
Acid inlet is connected, and battery enters
Battery acid inlet tube 35 is connected with, several lead-acid accumulators 9 and described battery are returned one between sour house steward 5
One correspondence is connected with battery and returns acid tube 36, and battery returns sour house steward 5 and acid mouth is offered at the top of which, and this goes out acid
Mouth is connected with the acid inlet of acid circulating pump 6 by sour pump feed tube 37, and the acid mouth of acid circulating pump 6 passes through
Acid is pumped out liquid pipe 38 and is connected with peracid acid inlet valve 26 and low sour acid inlet valve 25.In the present embodiment, it is adjacent
Peracid to go back to the top of the peracid sedimentation tank 82 with pond 81 and be close to low low Acid precipitation of the acid time with pond 71
The top in pond 72 is equipped with proportion and temperature detection mouth 13 respectively；Set on the described pipeline for cooling down out acid tube 3
It is equipped with temperature sensor 3；Described peracid return be additionally provided with pond 81 for prepare instruction acid complex acid mouth and
Water-distributing gap, is provided with complex acid valve 21 on the acid inlet, water distribution valve 22 is provided with the water inlet；Described is low
Acid is returned with being additionally provided with pond 71 for preparing low sour complex acid mouth and water-distributing gap, is provided with and matches somebody with somebody on the complex acid mouth
Sour valve 23, is provided with water distribution valve 24 on the water-distributing gap.
The present invention the course of work be：Before being internalized into lead-acid accumulator 9, returned by low acid first
Low acid is prepared with the complex acid mouth on pond 71 and water-distributing gap, is returned with the complex acid mouth on pond 81 and water distribution by peracid
Mouth prepares peracid, then, opens low sour acid inlet valve 25 and low acid goes out sour valve 27, and start acid circulating pump 6,
At the same time, start to be internalized into lead-acid accumulator 9.During being internalized into of lead-acid accumulator 9,
Acid solution constantly flows, the natural cooling in pipeline, and after being back to during low acid is returned with pond 71, lead acid storage battery
A small amount of acid mist that pond 9 is produced when being internalized into can be outwards arranged after the acid mist processor on exhaustor 11 is processed
Go out, be forced during heat exchanging pipe in heat exchanger 1 is flowed through from the acid solution out of low Acid precipitation pond 73 cold
But, the temperature rise for thus having efficiently controlled lead-acid accumulator 9 will not be too high, it is ensured that in lead-acid accumulator 9
What is be melted into is normally carried out；The later stage is internalized in lead-acid accumulator 9, the low acid of valve is closed and is gone out sour valve 27, open peracid
Go out sour valve 28, the low acid in lead-acid accumulator 9 is cemented out, the low acid for cementing out is back to low acid and returns
In with pond 71, it is back to after low acid time is matched somebody with somebody in pond 71 (even if there is part peracid time guaranteeing that all low acid are whole
Return with even pond 71 to low acid), the low sour acid inlet valve 25 of valve is closed, and opens peracid acid inlet valve 26, use peracid
Continuation is internalized into lead-acid accumulator 9, until terminating.
Claims (7)
1. the sour circulating device being internalized into for lead-acid accumulator, including：High and low sour Hui Peichi, its feature
It is that described sour circulating device is also included：At least one peracid sedimentation tank, at least one low Acid precipitation
Pond, acid circulating pump, battery are entered sour house steward, battery and return sour house steward and heat exchanger and be connected with heat exchanger
Cooling source, heat exchanging pipe is provided with heat exchanger；Along the flow direction of acid, peracid is returned matches somebody with somebody pond and owns
Peracid sedimentation tank by pipeline and be opened in respectively peracid return match somebody with somebody pond and all peracid sedimentation tanks on into and out of acid
Mouth is sequentially connected in series together, and low acid to be returned and pass through pipeline with pond and all low Acid precipitation ponds and be opened in low acid respectively
Together be sequentially connected in series into and out of sour mouth on all low Acid precipitation ponds, peracid sedimentation tank enters acid to Hui Peichi
Peracid acid inlet valve is provided with mouthful, peracid is provided with the acid mouth of the peracid sedimentation tank of end and is gone out sour valve,
Low sour acid inlet valve is provided with the acid inlet in low Acid precipitation pond, in the acid mouth in the low Acid precipitation pond of end
It is provided with low acid and goes out sour valve；The acid inlet of described heat exchanger by cool down acid inlet tube and peracid go out sour valve and
Low acid goes out sour valve and is connected, and the acid mouth of heat exchanger enters acid by cool down out that acid tube and battery enter sour house steward
Mouth is connected, and battery enters to connect one to one between sour house steward and the inlet of several lead-acid accumulators electricity
Pond acid inlet tube, the liquid return hole of several lead-acid accumulators and described battery are returned and are corresponded between sour house steward
It is connected with battery and returns acid tube, battery returns sour house steward and acid mouth is offered at the top of which, and the acid mouth is by sour pump
Feed tube is connected with the acid inlet of acid circulating pump, and the acid mouth of acid circulating pump pumps out liquid pipe and peracid by acid
Acid inlet valve is connected with low sour acid inlet valve.
2. sour circulating device according to claim 1, it is characterised in that described peracid return with pond and
Connected mode between peracid sedimentation tank and peracid sedimentation tank is：Peracid returns each with pond and peracid sedimentation tank
Top is opened in from acid inlet, peracid returns the respective acid mouth with pond and peracid sedimentation tank and is opened in bottom,
The acid mouth of peracid Hui Peichi is connected with the acid inlet of a peracid sedimentation tank by pipeline, the peracid sedimentation tank
Acid mouth be connected with the acid inlet of next peracid sedimentation tank, by that analogy；Described low acid return with pond and
The mode that is connected between low Acid precipitation pond and low Acid precipitation pond is returned with pond and peracid sedimentation tank and height with peracid
Connected mode between Acid precipitation pond is identical.
3. sour circulating device according to claim 1, it is characterised in that complex acid is returned in the high and low acid
The top in pond is equipped with exhaustor respectively, and on exhaustor, string is provided with acid mist processor.
4. sour circulating device according to claim 1, it is characterised in that be close to peracid Hui Peichi's
The top in the top of peracid sedimentation tank and the low Acid precipitation pond for being close to low sour Hui Peichi be equipped with respectively for
The detection mouth of detection proportion and temperature.
5. sour circulating device according to any one of claim 1 to 4, it is characterised in that described
Cool down out.
6. sour circulating device according to any one of claim 1 to 4, it is characterised in that described
The cooling water pipe and recirculation water for connecting cooling source and heat exchanger inner chamber is provided between cooling source and heat exchanger
Pipe.
7. sour circulating device according to claim 5, it is characterised in that described cooling source and heat friendship
The cooling water pipe and backflow water pipe of connection cooling source and heat exchanger inner chamber are provided between parallel operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510702311.7A CN106611883B (en) | 2015-10-26 | 2015-10-26 | The sour circulator being internalized into for lead-acid accumulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510702311.7A CN106611883B (en) | 2015-10-26 | 2015-10-26 | The sour circulator being internalized into for lead-acid accumulator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106611883A true CN106611883A (en) | 2017-05-03 |
| CN106611883B CN106611883B (en) | 2019-05-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510702311.7A Active CN106611883B (en) | 2015-10-26 | 2015-10-26 | The sour circulator being internalized into for lead-acid accumulator |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106952749A (en) * | 2017-04-28 | 2017-07-14 | 南通南铭电子有限公司 | Capacitor lead-out wire forming liquid temperature control equipment and its temprature control method |
| CN108444209A (en) * | 2018-03-23 | 2018-08-24 | 天能电池集团（安徽）有限公司 | A kind of two-way plumbing installation and its method of fast cooling |
| CN109509926A (en) * | 2018-12-19 | 2019-03-22 | 扬州金快乐电源有限公司 | Sour cycle battery formation device and method |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112599862A (en) * | 2020-12-21 | 2021-04-02 | 江苏超威电源有限公司 | Improved lead storage battery container formation system for electric vehicle |
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| JP2008210766A (en) * | 2006-07-24 | 2008-09-11 | Shin Kobe Electric Mach Co Ltd | Method for forming lead-acid battery case |
| CN101308922A (en) * | 2007-06-19 | 2008-11-19 | 淄博蓄电池厂 | Battery formed acid loop method of lead acid battery |
| CN203631694U (en) * | 2013-12-09 | 2014-06-04 | 安徽理士电池技术有限公司 | Circulating system for forming cold acid in lead-acid storage battery |
| CN204179172U (en) * | 2014-11-13 | 2015-02-25 | 潍坊帅马蓄电池有限公司 | Lead acid accumulator acid circulation container formation device |
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Patent Citations (4)
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| JP2008210766A (en) * | 2006-07-24 | 2008-09-11 | Shin Kobe Electric Mach Co Ltd | Method for forming lead-acid battery case |
| CN101308922A (en) * | 2007-06-19 | 2008-11-19 | 淄博蓄电池厂 | Battery formed acid loop method of lead acid battery |
| CN203631694U (en) * | 2013-12-09 | 2014-06-04 | 安徽理士电池技术有限公司 | Circulating system for forming cold acid in lead-acid storage battery |
| CN204179172U (en) * | 2014-11-13 | 2015-02-25 | 潍坊帅马蓄电池有限公司 | Lead acid accumulator acid circulation container formation device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106952749A (en) * | 2017-04-28 | 2017-07-14 | 南通南铭电子有限公司 | Capacitor lead-out wire forming liquid temperature control equipment and its temprature control method |
| CN108444209A (en) * | 2018-03-23 | 2018-08-24 | 天能电池集团（安徽）有限公司 | A kind of two-way plumbing installation and its method of fast cooling |
| CN108444209B (en) * | 2018-03-23 | 2020-11-13 | 天能电池集团（安徽）有限公司 | Bidirectional pipeline device capable of rapidly cooling and method thereof |
| CN109509926A (en) * | 2018-12-19 | 2019-03-22 | 扬州金快乐电源有限公司 | Sour cycle battery formation device and method |
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| Publication number | Publication date |
|---|---|
| CN106611883B (en) | 2019-05-28 |
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