CN102800831A - Safety catalyzing valve for lead-acid storage battery - Google Patents
Safety catalyzing valve for lead-acid storage battery Download PDFInfo
- Publication number
- CN102800831A CN102800831A CN2012103214380A CN201210321438A CN102800831A CN 102800831 A CN102800831 A CN 102800831A CN 2012103214380 A CN2012103214380 A CN 2012103214380A CN 201210321438 A CN201210321438 A CN 201210321438A CN 102800831 A CN102800831 A CN 102800831A
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- catalyst
- valve
- burst disk
- valve body
- lead acid
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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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Abstract
The invention provides a safety catalyzing valve for a lead-acid storage battery. The safety catalyzing valve comprises a valve body, wherein the upper part of the valve body is hollow, and internally provided with a pneumatic safety valve of the lead-acid storage battery, and the lower part of the valve body is provided with an installing seat for a catalyst; a ventilating hole in communication with the pneumatic safety valve is arranged between the installing seat and the pneumatic safety device; an installing hole for the catalyst is arranged in the installing seat and filled with the catalyst, and a filtering layer is arranged outside the catalyst; and the catalyst is the catalyst for catalyzing hydrogen and oxygen to react to generate water. According to the safety catalyzing valve, the catalyst is filled in the lead-acid storage battery in a relatively reasonable mode with a relatively reasonable structure; the characteristics of the structure of the valve, the structure of the pneumatic safety device and the installing structure of the catalyst are organically and integrally fused; the safety catalyzing device is convenient to assemble and install without influence to the internal structure of the storage battery; and the catalyst has a long service life and high service efficiency, so water loss and floating current of the battery can be relatively reduced.
Description
Technical field
The present invention relates to be used in the valve on the analysing valve control type lead-acid accumulator battery.
Background technology
The applied lead acid accumulator purposes of the present invention generally has reserve type, accumulation energy type, high temperature modification, power type, actuated type etc.
Wherein reserve type, accumulation energy type and high temperature modification battery are the floating charge service condition, occur easily during battery float that electric current is excessive, internal temperature is crossed high defective.These defectives directly cause the battery thermal runaway and end-of-life.
Power type, actuated type battery have more water to be produced hydrogen and oxygen and discharge battery by electrolysis for recycling condition in the battery use, battery is often owing to end-of-life too much appears in dehydration.Easy blast caused accident after density of hydrogen reached certain value in the environment for use; Must add water for increasing battery life.If the lead acid accumulator of non-maintaining type need often be added water, that has just lost maintenance free cell design original intention.
Use catalyst to increase battery life; The principle that improves battery performance is: a part of oxygen that anode produces before arriving at negative pole with the filling battery in the unnecessary hydrogen of the gas compartment directly by catalyst chemical combination; Its result has reduced the oxygen cycle efficient of inside battery, thereby makes the increase that the anode polarization reduces and negative pole polarizes, and reduces the corrosion of legal grid; The oxygen that loses during inner loop can not lose from battery; These oxygen can directly be combined to water again through catalyst, and are retained in inside battery, and Catalytic Oxygen chemical combination technology makes battery avoid dehydration and floating current is reduced.
Yet how catalyst is set in lead acid accumulator suitably is insoluble problem always.
Summary of the invention
Technical problem to be solved by this invention provides the safe catalysis valve that a kind of lead acid accumulator is used, and thinks that the setting of catalyst in lead acid accumulator provides a kind of good and mode easily.For this reason; The present invention adopts following technical scheme: it comprises valve body; The top hollow of said valve body; The air pressure safety device of lead acid accumulator is installed in said top, and the lower part of said valve body is provided with the mount pad of catalyst, and the air-vent that is communicated with the air pressure safety device is set between mount pad and air pressure safety device; Be provided with the installing hole of catalyst in the said mount pad, catalyst is set in installing hole, the arranged outside filter course of catalyst; Said catalyst is the catalyst that hydrogen catalyzed oxygen reaction is produced water.
On the basis of adopting technique scheme, the present invention also can adopt following further technical scheme:
Said air pressure safety device includes burst disk and following burst disk, between last burst disk and following burst disk, has airway in the valve body.
The aperture minimum of said burst disk is 20 μ m, and the maximum diameter of hole is 50 μ m, and porosity is 50%-80%.
The upper end on said valve body top has the installation channel of last burst disk, and said valve body is provided with the mounting groove of upward opening in the bottom of the installation channel of last burst disk, and said air pressure erecting device is provided with the burst disk bracing frame; Last burst disk bracing frame is installed on the mounting groove; Last burst disk is placed on the burst disk bracing frame, is stamped the exhaust gas inside lid on the last burst disk, and exhaust gas inside covers also has the exhaust cap of going up; The top of said safe catalysis valve is provided with modifies lid, and said modification lid is connected with valve body.
The top and the lower part of said valve body are threaded, and said air vent hole is on the lower part, and said installing hole aperture is downward.
The lower end on the top of said valve body has the installation channel of following burst disk and the positioning step with following burst disk, and said positioning step faces down.
The material of said lower part is polyphenylene oxide PPE or polyphenylene thioether PPS, and the installation hole wall at place, said installation aperture curves inwardly said filter course is fixed in the installation aperture.
The material of said burst disk is polytetrafluoroethylene PTFE, polypropylene PP or polythene PE.
Contact-making surface between the different parts in the valve body has silicon layer, silicone grease layer or petrolatum layer.
Catalyst carrier is active carbon, alundum (Al, foamy carbon, graphite felt or porous ceramic, and specific area is 700m
2/ g---1100m
2/ g, particle diameter are 0.2mm-2mm; Catalyst is a Metal Palladium, and content is between the 0.1%-10% of vehicle weight, and catalyst content adopts Gradient distribution, leans on the inside of installing hole more, and content is big more;
Filter course is divided into inside and outside two parts, and inner filtration layer is the active carbon that contains the metal alkaline material, and the outer filter layer is the porous material of high temperature resistant type, and the aperture is controlled at 1 μ m--50 μ m.
Owing to adopt technical scheme of the present invention, the present invention has adopted extremely that reasonable manner and structure are provided with catalyst in lead acid accumulator, and the design feature of valve and the structure of air pressure safety device and the structure that is provided with of catalyst are organically merged; Its assembling and easy for installation; Do not influence the internal structure of storage battery, and the long service life of catalyst, service efficiency are high, the oxygen that loses when making the lead acid accumulator inner loop can not lose from storage battery; These oxygen can be fully and are easily touched catalyst; With the hydrogen-gasified synthetic water, and be retained in inside battery, make the corresponding reduction of battery dehydration and floating current.
Description of drawings
Fig. 1 is the cutaway view of embodiment provided by the present invention.
Fig. 2 is for using lead acid accumulator of the present invention and the floating current comparison diagram that does not possess the lead acid accumulator of catalyst.Top line wherein shows the floating current of the lead acid accumulator that does not possess catalyst, and bottom line shows the floating current of using lead acid accumulator of the present invention.
Fig. 3 is for using lead acid accumulator of the present invention and the dehydration comparison diagram that does not possess the lead acid accumulator of catalyst.Top line wherein shows the dehydration of the lead acid accumulator that does not possess catalyst, and bottom line shows the dehydration of using lead acid accumulator of the present invention.
Embodiment
With reference to accompanying drawing 1.The present invention includes valve body 1, top 11 hollows of said valve body, the air pressure safety device of installation lead acid accumulator can in time discharge with the gas in the timely storage battery when the pressure in the storage battery surpasses safety value in said top.The lower part 12 of said valve body 1 is provided with the mount pad 2 of catalyst, and the air vent hole 13 that is communicated with the air pressure safety device is set between mount pad 2 and air pressure safety device; Be provided with the installing hole 20 of catalyst in the said mount pad 2, the catalyst that hydrogen catalyzed oxygen reaction is produced water is installed in the installing hole 20 the arranged outside filter course of catalyst; Valve body is installed on the battery cap.
When internal gas atmosphere during less than safety value; Internal gas can generate water through catalyst reaction and return in the battery electrolyte; When internal air pressure surpasses safety value; The air pressure safety device can be opened automatically, and internal gas can be discharged storage battery through the air pressure safety device through air-vent 13.Be under the normal pressure or in the pressure uphill process at storage battery; Catalyst is in the below of air pressure safety device; Maximal efficiency and probability ground and oxygen and contacted with hydrogen and fully play the catalytic reaction effect " richly endowed by nature "; Make the oxygen and the hydrogen of internal fully to react, reduce outside vent flow, make battery dehydration and floating current reduce most possibly.
Said air pressure safety device includes burst disk 31 and following burst disk 32, between last burst disk 31 and following burst disk 32, has airway 14 in the valve body 1.
The aperture minimum of said burst disk is 20 μ m, and the maximum diameter of hole is 50 μ m, and porosity is 50%-80%; Material is polytetrafluoroethylene PTFE, polypropylene PP or polythene PE etc.
Air pressure safety device ventilation flow rate is controlled at 300-600ml/min.This burst disk design of the present invention is discharged the storage battery through the air pressure safety device except can effectively preventing interior liquid sulfuric acid and acid mist, can also stop hydrogen externally to produce naked light and naked light spreads to internal through burst disk.The air pressure safety device has suitable ventilation flow rate can be reduced internal pressure apace and don't can reduce explosion-proof performance.The valve of opening of air pressure safety device closes valve pressure (safety value) and can be controlled in 20KPa-30KPa; The contact-making surface between the different parts in the air pressure safety device and the contact-making surface of said parts and valve body have silicon layer, silicone grease layer or petrolatum layer, can give the air pressure safety device excellent sealing property, prevent that extraneous gas from getting into internal.
The upper end on said valve body of the present invention top has the installation channel 15 of last burst disk 31; Said valve body is provided with the mounting groove 16 of upward opening in the bottom of the installation channel 15 of last burst disk 31; Said air pressure erecting device is provided with burst disk bracing frame 33, and last burst disk bracing frame 33 is installed on the mounting groove 16, and last burst disk 31 is placed on the burst disk bracing frame 33; Be stamped exhaust gas inside lid 34 on the last burst disk; Also have the exhaust cap 35 of going up on the exhaust gas inside lid 34, the top of safety catalysis valve of the present invention is provided with to modify cover 36, and said modification is covered 36 and is connected with valve body.The effect of said exhaust gas inside lid 34 is that burst disk 31 is fixed in the valve body 11, and said effect of going up exhaust cap 35 is that internal gas is derived valve body and prevented to modify lid and external dust obstruction gas passage.
In the present embodiment, the top of said valve body 11 is threaded with lower part 12, and with the convenient installation of burst disk down, and the position that makes its and last burst disk can be in the best cooperates, and said air vent hole 13 is on the lower part, and said installing hole 20 apertures are downward.
The positioning step 18 that the lower end on the top 11 of said valve body has the installation channel 17 of following burst disk 32 and has following burst disk, said positioning step 18 faces down.
The material of said lower part is high temperature resistant type fire proofings such as polyphenylene oxide PPE or polyphenylene thioether PPS; Effectively prevent to produce in the catalytic process heat melts valve body; The installation hole wall that makes place, said installation aperture of can being heated during fabrication again simultaneously curves inwardly said filter course is fixed on and installs in the aperture; With convenient for assembly, guarantee filter course and the sealing that hole wall is installed simultaneously.Catalyst carrier is materials such as active carbon, alundum (Al, foamy carbon, graphite felt and porous ceramic, and specific area is 700m
2/ g---1100m
2/ g, particle diameter are 0.2mm-2mm, and these carriers have specific area and high ventilation performance preferably.Catalyst is a Metal Palladium, and content is between the 0.1%-10% of vehicle weight, and catalyst content adopts Gradient distribution; Lean on the inside of installing hole more; Content is big more, makes hydrogen and oxygen compound on all carriers equably, prevents that effectively the local reaction excessive velocities from producing a large amount of heats of crossing and burning valve body.As shown in the figure, in the present embodiment, catalyst carrier is divided into three layer 41,42,43 from the outside to the inboard in hole, and the catalyst content in the layer 41,42,43 increases progressively successively.
Among the present invention; Filter course is divided into inside and outside two parts 51,52, and inner filtration layer 52 is for to contain the active carbon of metal alkaline material, as contains copper, iron, nickel, potassium etc.; Can effectively adsorb or in and hydrogen sulfide, prevent catalyst poisoning, prolong catalyst useful life etc.Outside filter course is the porous material of high temperature resistant type; Like hydrophobic materials such as foamy carbon, polytetrafluoroethylene PTFE, graphite; The aperture is controlled at 1 μ m--50 μ m, prevents that effectively acid mist from getting into catalyst inside, prevent internal-external liquid lock Gas Exchange, preventing that hydrogen and oxygen from producing naked light and control gaseous exchange velocity.
With reference to Fig. 2,3; After being applied in the present invention on the lead acid accumulator; From lead acid accumulator high-temperature test data, can see; Lead acid accumulator floating current decline 30%-50%, the lead acid accumulator fluid loss reduces 50%-70%, and the present invention has a significant effect to preventing lead acid accumulator thermal runaway, dehydration etc.
Claims (10)
1. safe catalysis valve that lead acid accumulator is used; It is characterized in that it comprises valve body; The top hollow of said valve body; The air pressure safety device of lead acid accumulator is installed in said top, and the lower part of said valve body is provided with the mount pad of catalyst, and the air vent hole that is communicated with the air pressure safety device is set between mount pad and air pressure safety device; Be provided with the installing hole of catalyst in the said mount pad, catalyst is set in installing hole, the arranged outside filter course of catalyst; Said catalyst is the catalyst that hydrogen catalyzed oxygen reaction is produced water.
2. the safe catalysis valve that a kind of lead acid accumulator as claimed in claim 1 is used is characterized in that said air pressure safety device includes burst disk and following burst disk, has airway in the valve body between last burst disk and following burst disk.
3. the safe catalysis valve that a kind of lead acid accumulator as claimed in claim 2 is used, the aperture minimum that it is characterized in that said burst disk are 20 μ m, and the maximum diameter of hole is 50 μ m, and porosity is 50%-80%.
4. the safe catalysis valve that a kind of lead acid accumulator as claimed in claim 2 is used; It is characterized in that the upper end on said valve body top has the installation channel of last burst disk, said valve body is provided with the mounting groove of upward opening in the bottom of the installation channel of last burst disk, and said air pressure erecting device is provided with the burst disk bracing frame; Last burst disk bracing frame is installed on the mounting groove; Last burst disk is placed on the burst disk bracing frame, is stamped the exhaust gas inside lid on the last burst disk, and exhaust gas inside covers also has the exhaust cap of going up; The top of said safe catalysis valve is provided with modifies lid, and said modification lid is connected with valve body.
5. the safe catalysis valve used of according to claim 1 or claim 2 a kind of lead acid accumulator is characterized in that the top of said valve body and lower part are threaded, and said air vent hole is on the lower part, and said installing hole aperture is downward.
6. the safe catalysis valve that a kind of lead acid accumulator as claimed in claim 5 is used is characterized in that the lower end on the top of said valve body has the installation channel of following burst disk and the positioning step with following burst disk, and said positioning step faces down.
7. the safe catalysis valve that a kind of lead acid accumulator as claimed in claim 5 is used; The material that it is characterized in that said lower part is polyphenylene oxide PPE or polyphenylene thioether PPS, and the installation hole wall at place, said installation aperture curves inwardly said filter course is fixed in the installation aperture.
8. the safe catalysis valve that a kind of lead acid accumulator as claimed in claim 1 is used, the material that it is characterized in that said burst disk are polytetrafluoroethylene PTFE, polypropylene PP or polythene PE.
9. the safe catalysis valve that a kind of lead acid accumulator as claimed in claim 1 is used is characterized in that the contact-making surface between the different parts in the valve body has silicon layer, silicone grease layer or petrolatum layer.
10. the safe catalysis valve that a kind of lead acid accumulator as claimed in claim 1 is used is characterized in that catalyst carrier is active carbon, alundum (Al, foamy carbon, graphite felt or porous ceramic, and specific area is 700m
2/ g---1100m
2/ g, particle diameter are 0.2mm-2mm; Catalyst is a Metal Palladium, and content is between the 0.1%-10% of vehicle weight, and catalyst content adopts Gradient distribution, leans on the inside of installing hole more, and content is big more;
Filter course is divided into inside and outside two parts, and inner filtration layer is the active carbon that contains the metal alkaline material, and outside filter course is the porous material of high temperature resistant type, and the aperture is controlled at 1 μ m--50 μ m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210321438.0A CN102800831B (en) | 2012-09-03 | 2012-09-03 | Safety catalyzing valve for lead-acid storage battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210321438.0A CN102800831B (en) | 2012-09-03 | 2012-09-03 | Safety catalyzing valve for lead-acid storage battery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102800831A true CN102800831A (en) | 2012-11-28 |
| CN102800831B CN102800831B (en) | 2015-04-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210321438.0A Active CN102800831B (en) | 2012-09-03 | 2012-09-03 | Safety catalyzing valve for lead-acid storage battery |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103341359A (en) * | 2013-07-22 | 2013-10-09 | 哈尔滨工业大学 | Foam carbon-loaded palladium nanocrystal hydrogen eliminating catalyst for Pb-C (pallium-carbon) battery and preparation method thereof |
| CN106660625A (en) * | 2014-06-26 | 2017-05-10 | 技术获胜者有限公司 | Ballast water treatment system |
| KR20190003674A (en) * | 2016-05-02 | 2019-01-09 | 니뽄 고아 가부시끼가이샤 | Catalytic parts and aeration filters, vent plugs and lead acid batteries containing them |
| CN109935917A (en) * | 2017-12-15 | 2019-06-25 | 广州丰江实业有限公司 | A kind of hydrogen oxygen recombination bolt high temperature gelled lead acid battery |
| KR20210092287A (en) * | 2018-11-26 | 2021-07-23 | 니뽄 고아 고도가이샤 | Catalyst device for lead-acid batteries, and lead-acid batteries |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103341359B (en) * | 2013-07-22 | 2015-04-15 | 哈尔滨工业大学 | Foam carbon-loaded palladium nanocrystal hydrogen eliminating catalyst for Pb-C (pallium-carbon) battery |
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| KR102362593B1 (en) * | 2016-05-02 | 2022-02-15 | 니뽄 고아 고도가이샤 | Catalyst parts and vent filters comprising same, vent plugs and lead-acid batteries |
| CN109417144A (en) * | 2016-05-02 | 2019-03-01 | 日本戈尔有限公司 | Catalyst member and the ventilation filter including the catalyst member, divulge information plug and lead-acid battery |
| EP3453061A4 (en) * | 2016-05-02 | 2020-01-08 | W.L. Gore & Associates, Co., Ltd. | Catalyst part, and ventilation filter, ventilation plug, and lead-acid battery including the same |
| US11139513B2 (en) | 2016-05-02 | 2021-10-05 | W. L. Gore & Associates G.K. | Catalyst part, and ventilation filter, ventilation plug, and lead-acid battery including the same |
| CN109417144B (en) * | 2016-05-02 | 2021-11-09 | 日本戈尔合同会社 | Catalyst member, and vent filter, vent plug and lead-acid battery including the same |
| KR20190003674A (en) * | 2016-05-02 | 2019-01-09 | 니뽄 고아 가부시끼가이샤 | Catalytic parts and aeration filters, vent plugs and lead acid batteries containing them |
| CN109935917A (en) * | 2017-12-15 | 2019-06-25 | 广州丰江实业有限公司 | A kind of hydrogen oxygen recombination bolt high temperature gelled lead acid battery |
| KR20210092287A (en) * | 2018-11-26 | 2021-07-23 | 니뽄 고아 고도가이샤 | Catalyst device for lead-acid batteries, and lead-acid batteries |
| CN113169413A (en) * | 2018-11-26 | 2021-07-23 | 日本戈尔合同会社 | Catalyst device for lead-acid battery and lead-acid battery |
| EP3888160A4 (en) * | 2018-11-26 | 2022-08-10 | W.L. Gore & Associates G.K. | Catalyst device for lead-acid battery, and lead-acid battery |
| CN113169413B (en) * | 2018-11-26 | 2024-03-22 | 日本戈尔合同会社 | Catalyst device for lead-acid battery and lead-acid battery |
| KR102661696B1 (en) | 2018-11-26 | 2024-04-26 | 니뽄 고아 고도가이샤 | Catalytic devices for lead-acid batteries, and lead-acid batteries |
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| CN102800831B (en) | 2015-04-01 |
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Address after: 311305, No. 72, landscape Avenue, Qingshan Town, Ling'an Economic Development Zone, Zhejiang, Hangzhou Applicant after: Nandu Electric Power Co., Ltd., Zhejiang Applicant after: Hangzhou Narada Battery Co., Ltd Applicant after: Hangzhou Nandu Energy Technology Co., Ltd. Address before: 310013 No. 50 Bauhinia Road, Zhejiang, Hangzhou Applicant before: Nandu Electric Power Co., Ltd., Zhejiang Applicant before: Hangzhou Narada Battery Co., Ltd Applicant before: Hangzhou Nandu Energy Technology Co., Ltd. |
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Address after: 311305 Ling'an Qingshan Lake Street landscape Avenue, No. 72, No. Applicant after: Nandu Electric Power Co., Ltd., Zhejiang Applicant after: Hangzhou Narada Battery Co., Ltd Applicant after: Hangzhou Nandu Energy Technology Co., Ltd. Address before: 311305, No. 72, landscape Avenue, Qingshan Town, Ling'an Economic Development Zone, Zhejiang, Hangzhou Applicant before: Nandu Electric Power Co., Ltd., Zhejiang Applicant before: Hangzhou Narada Battery Co., Ltd Applicant before: Hangzhou Nandu Energy Technology Co., Ltd. |
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