CN108258200B - Lead-acid storage battery polar plate dewatering device - Google Patents
Lead-acid storage battery polar plate dewatering device Download PDFInfo
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- CN108258200B CN108258200B CN201810128268.1A CN201810128268A CN108258200B CN 108258200 B CN108258200 B CN 108258200B CN 201810128268 A CN201810128268 A CN 201810128268A CN 108258200 B CN108258200 B CN 108258200B
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- belt
- pressing plate
- dehydration
- water absorption
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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
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/14—Electrodes for lead-acid accumulators
- H01M4/16—Processes of manufacture
- H01M4/20—Processes of manufacture of pasted electrodes
- H01M4/21—Drying of pasted electrodes
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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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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention discloses a lead-acid storage battery polar plate dehydration device, and belongs to the technical field of storage battery preparation. The lead-acid storage battery polar plate dewatering device comprises a conveying belt for conveying polar plates, wherein a pressing plate belt which is provided with holes and can circularly move is arranged above the conveying belt, the pressing plate belt is provided with a water absorption section which simultaneously and equidirectionally advances along with the conveying belt, when the polar plates are conveyed, the water absorption section of the pressing plate belt and the conveying belt are respectively attached to two surfaces of the polar plates, and a water absorption cover which is attached to the pressing plate belt and is connected with a vacuum suction device through a pipeline is arranged above the water absorption section. The pressing plate belt is divided into a water absorption section and a dehydration section, the pressing plate belt is driven in a circulating way under the action of the driving roller, part of water in the polar plate is absorbed onto the pressing plate belt by the water absorption cover in the polar plate conveying process, and along with the driving of the pressing plate belt, the water is removed in the dehydration section, so that the purpose of partial dehydration of the polar plate is realized, and the drying temperature of a dryer in the next procedure is effectively reduced.
Description
Technical Field
The invention relates to the technical field of storage battery preparation, in particular to a lead-acid storage battery polar plate dehydration device.
Background
In the production process of the lead-acid storage battery pole plate, acid spraying and rolling are needed after the pole plate is coated, so that the water quantity of the lead plaster on the pole plate can be improved, the strength of the lead plaster on the surface of the pole plate is improved, the content of lead sulfate on the surface of the pole plate is lower, the generation of lead sulfate in the discharging process of the battery is inhibited, the conductivity of the lead plaster on the surface of the pole plate is improved, and the like, and the comprehensive performance of the battery is improved.
Patent document with application publication number of CN 105470472A discloses an acid leaching method of a lead-acid storage battery plate, which comprises the following steps: placing the lead-acid storage battery plate after the plate coating on a conveying belt, and excessively spraying acid spraying liquid on the surface of an acid pressing roller through an acid spraying pipe, wherein when the plate is conveyed to the position below the acid pressing roller, the acid pressing roller rolls the plate, and the acid spraying liquid is attached to the surface of the plate; wherein the conveying speed of the conveying belt is 120-140 sheets/min, and the acid leaching liquid density of the positive plate of the lead-acid storage battery is 1.07-1.20g/cm 3 The density of the acid spraying liquid of the negative plate of the lead-acid storage battery is 1.10-1.30g/cm 3 。
However, the acid leaching process has the following disadvantages:
1. the production environment is poor, sulfuric acid is dripped on the production site to pollute the field, the load of a sewage station is increased, and the environmental treatment cost is increased;
2. the sulfuric acid cost for acid leaching is increased;
3. when acid is sprayed, the lead sulfate content of the lead plaster is too high to be recycled;
4. dilute sulfuric acid for acid leaching requires equipment configuration and manual detection, and increases kinetic energy consumption and labor cost;
5. fluctuation of acid spraying specific gravity can cause fluctuation of quality of the green plate.
In the prior art, a storage battery manufacturer improves the production process, eliminates the acid leaching process, and researches show that the acid leaching is eliminated without adverse effect on the product performance. Patent document with application publication number CN 102646815A discloses a press roll assembly for plate coating drying, which comprises a press roll and a water absorbing material wound on the surface of the press roll, wherein the water absorbing material is absorbent cotton yarn. After the plate is coated, the water on the surface of the polar plate is directly absorbed by the water absorbing material, and then the polar plate is dried, and the temperature of the drying treatment and the speed of the polar plate passing through a surface dryer are adapted to the water content of the lead plaster on the surface and in the polar plate. The acid leaching operation is omitted in the whole treatment process, and the problems of poor environment and the like caused by acid leaching in the prior art are avoided.
Disclosure of Invention
The invention aims to provide a lead-acid storage battery polar plate dehydration device which replaces the existing acid spraying roller device and achieves the aims of cleaning, environmental protection, labor saving and low-cost operation on the premise of not affecting the quality of polar plates.
In order to achieve the above purpose, the invention adopts the following technical scheme:
the utility model provides a lead acid battery polar plate dewatering device, includes the conveyer belt that is used for carrying the polar plate, the conveyer belt top sets up the clamp plate area that has the hole and can cyclic movement, the clamp plate area has the section of absorbing water that advances simultaneously the syntropy along with the conveyer belt, and when carrying the polar plate, clamp plate area section of absorbing water and conveyer belt are close to two surfaces of polar plate respectively, the top of section of absorbing water is equipped with the cover of absorbing water of hugging closely the clamp plate area and passing through the pipe connection vacuum pumping device.
The pressing plate belt has pores, and the water absorbing cover closely attached to the pressing plate belt sucks out the water on the polar plate under the action of the vacuum negative pressure generated by the vacuum suction device, so that the water is attached to the pressing plate belt, and the aim of partially dehydrating the polar plate is fulfilled.
The pressing plate belt is driven by the driving roller to realize circulation driving operation. The pressing plate belt is divided into a water absorption section and a dehydration section, the pressing plate belt section absorbing the attached moisture leaves the water absorption section to enter the dehydration section along with the advancing of the pressing plate belt, and after dehydration is completed, the pressing plate belt section enters the water absorption section again to carry out water absorption treatment again, and the cycle is realized, so that the polar plate dehydration assembly line production is realized.
Preferably, the pressing plate belt is made of glass fiber non-woven fabric, and the air permeability is 200-350 mm/s. The glass fiber non-woven fabric has pores, ensures ventilation and moisture adsorption, and has the characteristic of being difficult to adhere to lead plaster.
Preferably, the thickness of the pressing plate belt is 3-5 mm.
Preferably, the dewatering device comprises at least two driving rollers for driving the pressing plate belt, wherein the two driving rollers are respectively arranged at two ends of the water absorption section, and a supporting roller forming a pressing roller pair with the driving rollers is arranged below the conveying belt.
The invention sets up the back-up roll below the conveyer belt, form the compression roller with the driving roller driving the platen belt, after the grid coats the lead plaster, enter the compression roller pair along with the conveyer belt, the two pairs of compression rollers carry on twice compaction to the polar plate, carry on the dehydration treatment between the twice compaction. The invention realizes the compaction and partial dehydration of the polar plate at the same time, the surface of the coated polar plate is dry and smooth after being pressed and dehydrated by the two pressing rollers, the water content of the surface of the polar plate is low, the load of a dryer in the next procedure is effectively reduced, a foundation is laid for further reducing the temperature of the subsequent dryer, and the problem that the polar plate is cracked due to overhigh drying temperature is avoided.
More preferably, the dewatering device comprises three driving rollers, wherein the three driving rollers divide the pressing plate belt into three sections, one section is a water absorption section, and the other two sections are dewatering sections. The three driving rollers form three supporting points for the transmission of the pressing plate belt, wherein two horizontal driving rollers and the supporting roller below the conveyor belt form a pressing roller pair, and the third driving roller is positioned above the two horizontal driving rollers.
After the pressing plate belt absorbs moisture, the pressing plate belt moves upwards to enter a dehydration section, and the dehydration device removes the moisture. Preferably, a dehydration device is arranged on the inner side of the dehydration section, and the dehydration device comprises a dehydration air knife and a high-pressure gas generating device connected with the dehydration air knife through a pipeline.
After the pressing plate belt passes through the press roller, the pressing plate belt absorbs moisture and simultaneously the surface of the pressing plate belt is adhered with certain lead plaster, and the high-speed wind power generated by the dewatering air knife blows out the moisture absorbed on the pressing plate belt and simultaneously blows off the lead plaster on the surface. Preferably, a collecting box corresponding to the dewatering device is arranged on the outer side of the dewatering section. The lead plaster is blown into the collecting box and can be recycled.
And each dehydration section is provided with a group of dehydration devices, the pressing plate belt subjected to two dehydration and impurity removal treatments is basically in a dry state, and then enters the water absorption section to dry and level the surface of the polar plate.
Preferably, the vacuum suction device is a vacuum pump or a vacuum generator.
The vacuum generator is filled with high-pressure compressed gas, high-pressure gas is output, and vacuum negative pressure is generated by utilizing Bernoulli principle, so that the invention can be directly installed with the vacuum generator, the vacuum interface of the vacuum generator is connected with the water suction cover through the vacuum tube, and the exhaust port of the vacuum generator is connected with the dewatering air knife through the pipeline. The high-pressure compressed gas is input from the gas supply port of the vacuum generator, the gas exhaust port outputs the high-pressure gas to the dewatering air knife, and the vacuum interface generates vacuum negative pressure.
The invention has the beneficial effects that:
the invention sets up the clamp plate area with hole above the conveyer belt which carries the polar plate, the clamp plate area is divided into water absorption section and dehydration section, under the action of driving roller, the clamp plate area circulates and transmits, the water absorption section advances with the conveyer belt in the same direction at the same time, in the course of conveying the polar plate, the water absorption cover adsorbs part of the water in the polar plate to the clamp plate area, along with the transmission of the clamp plate area, the water is removed in the dehydration section, achieve the purpose of partial dehydration of polar plate, reduce the drying temperature of the drier of the next procedure effectively.
Drawings
FIG. 1 is a schematic diagram of a lead-acid battery plate dehydration device, wherein solid arrows in the diagram indicate the transmission directions of a conveyor belt and a pressing plate belt; the solid arrows indicate the flow direction of the gas, the compressed gas is input into a vacuum generator, high-pressure gas is output to a dewatering air knife, and vacuum negative pressure is generated in a vacuum tube communicated with the water absorbing cover.
Detailed Description
The present invention will be further described with reference to the following examples and figures, but the following examples are only preferred embodiments of the present invention, and not all the examples are included. Based on the examples in the embodiments, those skilled in the art can obtain other examples without making any inventive effort, which fall within the scope of the invention.
As shown in fig. 1, the lead-acid battery plate dehydration device of the embodiment comprises a conveyor belt 1 for conveying plates, a pressing plate belt 2 which is provided with holes and can circularly move is arranged above the conveyor belt 1, the pressing plate belt 2 is driven by three driving rollers to realize operation, the three driving rollers are respectively a first driving roller 31 and a second driving roller 32 which are horizontally arranged and a third driving roller 33 which is positioned above the first driving roller 31 and the second driving roller 32, and the three driving rollers form three supporting points for driving the pressing plate belt 2.
The three driving rollers divide the pressing plate belt 2 into three sections, one section is a water absorbing section 21, and the other two sections are dewatering sections 22. The water absorbing segment 21 moves along with the conveyor belt 1 in the same direction at the same time, and when the polar plates are conveyed, the water absorbing segment 21 and the conveyor belt 1 are respectively attached to the two surfaces of the polar plates.
A water absorbing cover 4 which is closely attached to the pressing plate belt 2 is arranged above the water absorbing section 21, and the water absorbing cover 4 is connected with the vacuum generator 5 through a vacuum tube. The vacuum generator 5 gives vacuum negative pressure to the suction hood, and since the platen belt 2 has pores, moisture on the plate is sucked out and adheres to the platen belt 2.
The pressing plate belt 2 is made of glass fiber non-woven fabric with the thickness of 3-5 mm, and the width is matched with a driving roller; the glass fiber non-woven fabric is provided with pores, so that ventilation and moisture adsorption are guaranteed, and the air permeability is 200-350 mm/s. The glass fiber non-woven fabric has the characteristic of not easily adhering lead plaster.
After the pressing plate belt 2 adsorbs moisture, the pressing plate belt runs upwards to enter a dehydration section 22, a dehydration device is arranged on the inner side of the dehydration section 22, the dehydration device comprises a dehydration air knife 6, and the dehydration air knife 6 is connected with an exhaust port of the vacuum generator 5 through a pipeline.
The high-pressure compressed gas is introduced from the gas supply port of the vacuum generator 5, and is output to the dewatering air knife 6, and vacuum negative pressure is generated at the same time, and the water absorbing cover 4 absorbs water on the polar plate under the action of the vacuum negative pressure.
Along with the advancing of the pressing plate belt 2, the pressing plate belt section absorbing the attached moisture leaves the water absorbing section and enters the dehydration section, and after dehydration is completed, the pressing plate belt section enters the water absorbing section again to absorb water again, so that the cycle is realized, and the polar plate dehydration assembly line production is realized.
The first driving roller 31 and the second driving roller 32 are respectively arranged at two ends of the water absorption section 21, and a first supporting roller 71 and a second supporting roller 72 which respectively form a compression roller pair with the first driving roller 31 and the second driving roller 32 are arranged below the conveyor belt 1. After the lead plaster is coated on the grid, the lead plaster enters a press roller pair along with a conveyor belt 1, and the two press roller pairs are compacted on the polar plate twice.
The dewatering treatment is carried out between the two compaction steps, the compaction and partial dewatering of the polar plate are simultaneously realized, after the coated polar plate is compacted and dewatered by the two compression rollers, the surface of the polar plate is dry and smooth, the water content of the surface of the polar plate is low, the load of a dryer in the next procedure is effectively reduced, a foundation is laid for further reducing the temperature of the subsequent dryer, and the problem that the polar plate is cracked due to overhigh drying temperature is avoided.
After the pressing plate belt 2 passes through the press roller, the pressing plate belt 2 can be adhered with certain lead plaster on the surface while absorbing moisture, and the high-speed wind power generated by the dewatering air knife 6 blows out the moisture absorbed on the pressing plate belt 2 and blows off the lead plaster on the surface. The outside of the dewatering section 22 is provided with a collecting box 8 arranged corresponding to the dewatering device. The lead plaster is blown into the collecting box 8 and can be recycled.
And each dehydration section is provided with a group of dehydration devices, the pressing plate belt subjected to two dehydration and impurity removal treatments is basically in a dry state, and then enters the water absorption section to dry and level the surface of the polar plate.
The device of the embodiment can replace the existing acid spraying roller device, and achieves the aims of cleaning, environmental protection, labor saving and low-cost operation on the premise of not affecting the quality of the polar plates.
Claims (5)
1. The lead-acid storage battery polar plate dehydration device comprises a conveying belt for conveying polar plates, and is characterized in that a pressing plate belt which is provided with holes and can circularly move is arranged above the conveying belt, the pressing plate belt is made of glass fiber non-woven fabrics, and the pressing plate belt is provided with a water absorption section which simultaneously and co-directionally moves along with the conveying belt;
the dewatering device comprises three driving rollers for driving the pressing plate belt, wherein the three driving rollers divide the pressing plate belt into three sections, one section is a water absorption section, the other two sections are dewatering sections, the three driving rollers form three supporting points for driving the pressing plate belt, two horizontal driving rollers are respectively arranged at two ends of the water absorption section, a supporting roller forming a pressing roller pair with the horizontal driving rollers is arranged below the conveying belt, the third driving roller is arranged above the two horizontal driving rollers, when polar plates are conveyed, the water absorption section of the pressing plate belt and the conveying belt are respectively attached to two surfaces of the polar plates, and a water absorption cover which is tightly attached to the pressing plate belt and connected with the vacuum suction device through a pipeline is arranged above the water absorption section;
the inside of the dehydration section is provided with a dehydration device, the dehydration device comprises a dehydration air knife and a high-pressure gas generating device connected with the dehydration air knife through a pipeline, and the outside of the dehydration section is provided with a collection box which is arranged corresponding to the dehydration device.
2. The lead acid battery plate dehydration apparatus of claim 1 wherein said vacuum pumping means is a vacuum pump or a vacuum generator.
3. The lead-acid battery plate dehydration device of claim 2, wherein the vacuum interface of the vacuum generator is connected with the water suction cover through a vacuum tube, and the exhaust port of the vacuum generator is connected with the dehydration air knife through a pipeline.
4. The lead-acid storage battery polar plate dehydration device according to claim 1, wherein the air permeability of the glass fiber non-woven fabric is 200-350 mm/s.
5. The lead-acid battery plate dehydration device of claim 1, wherein the thickness of the platen belt is 3-5 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810128268.1A CN108258200B (en) | 2018-02-08 | 2018-02-08 | Lead-acid storage battery polar plate dewatering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810128268.1A CN108258200B (en) | 2018-02-08 | 2018-02-08 | Lead-acid storage battery polar plate dewatering device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108258200A CN108258200A (en) | 2018-07-06 |
| CN108258200B true CN108258200B (en) | 2023-09-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810128268.1A Active CN108258200B (en) | 2018-02-08 | 2018-02-08 | Lead-acid storage battery polar plate dewatering device |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5583162A (en) * | 1978-12-18 | 1980-06-23 | Matsushita Electric Ind Co Ltd | Pressing apparatus of paste type battery plate |
| JPS5622048A (en) * | 1979-07-31 | 1981-03-02 | Shin Kobe Electric Mach Co Ltd | Manufacturing process of pasted plate for lead battery |
| US5096611A (en) * | 1989-05-25 | 1992-03-17 | Globe-Union Inc. | Process for the production of battery paste |
| JPH05151960A (en) * | 1991-11-28 | 1993-06-18 | Matsushita Electric Ind Co Ltd | Manufacture of plate for lead acid battery |
| JP2002231231A (en) * | 2001-01-29 | 2002-08-16 | Japan Storage Battery Co Ltd | Manufacturing device for pole plate for use in battery |
| CN201471220U (en) * | 2009-07-28 | 2010-05-19 | 黄俊杰 | Cement pantile forming machine |
| CN207967171U (en) * | 2018-02-08 | 2018-10-12 | 天能电池集团有限公司 | A kind of polar plate of lead acid storage battery dehydration device |
-
2018
- 2018-02-08 CN CN201810128268.1A patent/CN108258200B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5583162A (en) * | 1978-12-18 | 1980-06-23 | Matsushita Electric Ind Co Ltd | Pressing apparatus of paste type battery plate |
| JPS5622048A (en) * | 1979-07-31 | 1981-03-02 | Shin Kobe Electric Mach Co Ltd | Manufacturing process of pasted plate for lead battery |
| US5096611A (en) * | 1989-05-25 | 1992-03-17 | Globe-Union Inc. | Process for the production of battery paste |
| JPH05151960A (en) * | 1991-11-28 | 1993-06-18 | Matsushita Electric Ind Co Ltd | Manufacture of plate for lead acid battery |
| JP2002231231A (en) * | 2001-01-29 | 2002-08-16 | Japan Storage Battery Co Ltd | Manufacturing device for pole plate for use in battery |
| CN201471220U (en) * | 2009-07-28 | 2010-05-19 | 黄俊杰 | Cement pantile forming machine |
| CN207967171U (en) * | 2018-02-08 | 2018-10-12 | 天能电池集团有限公司 | A kind of polar plate of lead acid storage battery dehydration device |
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| CN108258200A (en) | 2018-07-06 |
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Address after: 313100 Meishan Town Industrial Park, Changxing County, Huzhou City, Zhejiang Province Applicant after: TIANNENG BATTERY GROUP Co.,Ltd. Address before: 313100 Coal Mountain Industrial Park, Changxing County, Huzhou City, Zhejiang Province Applicant before: TIANNENG BATTERY GROUP Co.,Ltd. |
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