CN111678838A - Device for collecting electrolyte in AGM separator and method for obtaining electrolyte density - Google Patents
Device for collecting electrolyte in AGM separator and method for obtaining electrolyte density Download PDFInfo
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- CN111678838A CN111678838A CN202010431256.3A CN202010431256A CN111678838A CN 111678838 A CN111678838 A CN 111678838A CN 202010431256 A CN202010431256 A CN 202010431256A CN 111678838 A CN111678838 A CN 111678838A
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- measuring tool
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- buchner funnel
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- 239000003792 electrolyte Substances 0.000 title claims abstract description 64
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000007789 sealing Methods 0.000 claims abstract description 31
- 238000000967 suction filtration Methods 0.000 claims abstract description 5
- 239000002253 acid Substances 0.000 claims description 10
- 238000003860 storage Methods 0.000 claims description 10
- 238000005192 partition Methods 0.000 claims description 5
- 238000004364 calculation method Methods 0.000 claims description 4
- 238000004140 cleaning Methods 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 8
- 238000001914 filtration Methods 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 239000011149 active material Substances 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002224 dissection Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000007773 negative electrode material Substances 0.000 description 1
- 239000007774 positive electrode material Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N9/00—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
- G01N9/02—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity by measuring weight of a known volume
- G01N9/04—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity by measuring weight of a known volume of fluids
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N2001/1031—Sampling from special places
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- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
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Abstract
Gather the device of electrolyte in the AGM baffle: comprises a buchner funnel with a sealing cover, filter paper, a measuring tool plug, a suction filtration bottle plug, a transparent measuring tool, a connecting pipe, a suction filtration bottle and a vacuum pump; the filter paper is arranged in the Buchner funnel, the measuring tool plug is connected with the upper end of the transparent measuring tool in a sealing way, and the lower end of the Buchner funnel penetrates through the measuring tool plug in a sealing way and is suspended in the transparent measuring tool; the filter flask plug is hermetically connected with the mouth of the filter flask; the lower end of the left end of the connecting pipe penetrates through the measuring tool plug in a sealing mode and is suspended in the transparent measuring tool, and the lower end of the right end of the connecting pipe penetrates through the suction filter plug in a sealing mode and is suspended in the suction filter flask; the vacuum pump is communicated with the body of the suction bottle in a sealing way. The method for obtaining the density of the electrolyte in the device for collecting the electrolyte comprises measuring and recording the mass M of the transparent measuring tool1Mass M of transparent measuring tool containing electrolyte2The volume V of the electrolyte in the transparent measuring tool when the vacuum pump is just turned off, and then the three parameters are measuredSubstituting into a formula to calculate the density of the electrolyte.
Description
Technical Field
The invention relates to the technical field of lead-acid storage batteries, in particular to a device for collecting electrolyte in an AGM separator and a corresponding method for analyzing the density of the collected electrolyte.
Background
The electrolyte sulfuric acid participates in the generation and conversion process of electric energy in the lead-acid storage battery, is a third active material except for the positive electrode active material and the negative electrode active material, and the density (concentration) of the third active material determines the voltage of the battery. Therefore, the density of the sulfuric acid after the dissection of the finished storage battery is very important to analyze. The valve-regulated lead-acid battery is a poor-liquid type structure, and most of sulfuric acid in the battery is adsorbed on an AGM partition plate between a positive electrode and a negative electrode. If the density of sulfuric acid in the battery needs to be analyzed, the AGM separator adsorbing the electrolyte needs to be taken down after the battery is dissected, the electrolyte is obtained in a squeezing mode, and normal testing can be carried out after filtering treatment.
The invention patent CN104600380B discloses a device and a method for automatically collecting electrolyte in an AGM separator of a lead-acid storage battery, wherein a driving device of pressing plates is controlled by an infrared sensing device, the separators in the pressing plates are squeezed by the mutual approach of the pressing plates, the flowing-out electrolyte is collected, and finally, the electrolyte is filtered and then the density is measured. Although the method can reduce the labor of manual operation, the method has the problems of complex process and time-consuming filtration time.
The invention patent CN108649283B discloses a device and a method for collecting electrolyte in an AGM separator by a lead-acid storage battery, which relate to the adoption of a hydraulic cylinder and a travel switch and have the problems of complex structure and high cost of a collecting device.
Disclosure of Invention
The invention mainly aims to provide a device capable of well collecting electrolyte in an AGM separator of a lead-acid storage battery and a method for obtaining the density of the collected electrolyte so as to ensure that the accurate density of the electrolyte can be obtained.
The technical scheme that the device for collecting the electrolyte in the AGM separator can well adopt: an apparatus for collecting electrolyte in an AGM separator: comprises a buchner funnel with a sealing cover, filter paper, a measuring tool plug, a suction filtration bottle plug, a transparent measuring tool, a connecting pipe, a suction filtration bottle and a vacuum pump; the filter paper is arranged in the Buchner funnel, the measuring tool plug is connected with the upper end of the transparent measuring tool in a sealing way, and the lower end of the Buchner funnel penetrates through the measuring tool plug in a sealing way and is suspended in the transparent measuring tool; the filter flask plug is hermetically connected with the mouth of the filter flask; the lower end of the left end of the connecting pipe penetrates through the measuring tool plug in a sealing mode and is suspended in the transparent measuring tool, and the lower end of the right end of the connecting pipe penetrates through the suction filter plug in a sealing mode and is suspended in the suction filter flask; the vacuum pump is communicated with the body of the suction bottle in a sealing way.
When the measuring tool is used, all components are cleaned and dried, the transparent measuring tool is weighed, the quality value of the obtained transparent measuring tool is made, all the components are installed and connected, the AGM to be measured is placed into the Buchner funnel, the Buchner funnel is covered, a vacuum pump is started to pump vacuum, electrolyte on the AGM to be measured can drop into the transparent measuring tool, the vacuum pump is closed after the vacuum pumping is finished, the vacuum pump is turned off, the volume of the electrolyte in the transparent measuring tool is read, the vacuum state of the transparent measuring tool is removed, the transparent measuring tool is separated from the measuring tool plug, the quality of the transparent measuring tool filled with the electrolyte is measured, and the density of the electrolyte in the AGM partition plate of the lead-acid storage battery can be calculated through a corresponding density calculation. The density measuring device has the advantages of simple structure, low processing and manufacturing cost and convenient use. Preferably, the gauge plug and the filter flask plug are both frustoconical rubber plugs. The optimal scheme is favorable for ensuring.
Preferably, the electronic scale further comprises an electronic scale and a lifting platform, wherein the electronic scale is arranged on the platform surface of the lifting platform, and the transparent measuring tool is arranged on the weighing surface of the electronic scale. This preferred scheme is favorable to improving the convenient use of this device.
In summary, the device for collecting the electrolyte in the AGM separator has the advantages of simple structure, low processing and manufacturing cost and convenient use.
The technical scheme adopted by the method for obtaining the density of the electrolyte collected by the device for collecting the electrolyte in the AGM separator is as follows:
firstly, cleaning and drying components in a Buchner funnel, a measuring tool plug, a filter flask plug transparent measuring tool, a connecting pipe and a filter flask;
secondly, measuring and recording the quality MA of the transparent measuring tool;
thirdly, mounting and connecting all parts of a device for collecting the electrolyte in the AGM partition plate of the lead-acid storage battery;
fourthly, opening a sealing cover of the Buchner funnel, putting the AGM to be tested into the Buchner funnel, and then closing the sealing cover of the Buchner funnel;
fourthly, turning on a vacuum pump, adjusting the vacuum degree to be between-0.08 MPa and-0.09 MPa, continuously vacuumizing for 3 to 5 minutes, and then turning off the vacuum pump to stop vacuumizing;
fifthly, recording the volume V of the electrolyte in the transparent measuring tool when the vacuum pump is just closed, and then removing the vacuum state of the transparent measuring tool;
sixthly, separating the transparent measuring tool filled with the electrolyte from the measuring tool plug;
seventhly, measuring the mass MB of the transparent measuring tool filled with the electrolyte obtained in the sixth step;
and step eight, substituting MA, MB and V into a calculation formula (MB-MA)/V to calculate and obtain the density of the collected electrolyte and record the calculated and obtained density of the collected electrolyte.
The method for acquiring the density of the electrolyte acquired by the device for acquiring the electrolyte in the AGM separator has clear and definite steps and simple and reliable operation, and can greatly reduce the cost for acquiring the density of the electrolyte.
Drawings
FIG. 1: the schematic structural diagram of a device for collecting electrolyte in the AGM separator is shown;
in the figure: buchner funnel 1, filter paper 2, measuring tool stopper 31, filter flask stopper 32, transparent measuring tool 4, connecting pipe 5, filter flask 6, vacuum pump 7.
Detailed Description
The technical scheme of the invention is further specifically described by the following embodiments and the accompanying drawings.
First embodiment of the apparatus for collecting electrolyte in an AGM separator:
as shown in FIG. 1, the present invention comprises a Buchner funnel 1 with a sealing cover, filter paper 2, a measuring tool stopper 31, a filter flask stopper 32, a transparent measuring tool 4, a connecting tube 5, a filter flask 6, a vacuum pump 7; the filter paper 2 is arranged in the Buchner funnel 1, the measuring tool plug 31 is connected with the upper end of the transparent measuring tool 4 in a sealing way, and the lower end of the Buchner funnel 1 penetrates through the measuring tool plug 31 in a sealing way and is suspended in the transparent measuring tool 4; the filter flask plug 32 is hermetically connected with the mouth of the filter flask 6; the lower end of the left end of the connecting pipe 5 penetrates through the measuring tool plug 31 in a sealing manner and is suspended in the transparent measuring tool 4, and the lower end of the right end of the connecting pipe 5 penetrates through the filter flask plug 32 in a sealing manner and is suspended in the filter flask 6; the vacuum pump 7 is communicated with the body of the filtering bottle 6 in a sealing way. Wherein the gauge plug 31 and the filter flask plug 32 are both frustoconical rubber stoppers.
Example two of the device for collecting electrolyte in an AGM separator:
different from the first embodiment, the second embodiment further includes an electronic scale, a lifting platform, and a gauge plug fixing frame, an upper end of which is detachably and fixedly connected with the upper end of the gauge plug 31 and a lower end of which is detachably and fixedly connected with the fixing workbench, the electronic scale is arranged on the table surface of the lifting platform, and the transparent gauge 4 is arranged on the scale surface of the electronic scale. In addition, the second embodiment is provided with a structure which is not shown in the figure due to simple technology and can prevent the gauge plug from swinging up and down in the process of connecting and disconnecting the transparent gauge and the gauge plug 31.
An embodiment of a method of obtaining the density of an electrolyte collected by a device for collecting an electrolyte in an AGM separator:
the method for obtaining the density of the electrolyte collected by the device for collecting the electrolyte in the AGM separator comprises the following steps:
firstly, cleaning and drying components including a Buchner funnel 1, a measuring tool plug 31, a filter flask plug 32, a transparent measuring tool 4, a connecting pipe 5 and a filter flask 6;
secondly, measuring and recording the quality MA of the transparent measuring tool 4;
thirdly, mounting and connecting all parts of a device for collecting the electrolyte in the AGM partition plate of the lead-acid storage battery;
fourthly, opening a sealing cover of the Buchner funnel 1, putting the AGM to be tested into the Buchner funnel 1, and then closing the sealing cover of the Buchner funnel 1;
fourthly, turning on a vacuum pump 7, adjusting the vacuum degree to be between-0.08 MPa and-0.09 MPa, continuously vacuumizing for 3 to 5 minutes, and turning off the vacuum pump 7 to stop vacuumizing;
fifthly, recording the volume V of the electrolyte in the transparent measuring tool 4 when the vacuum pump 7 is just closed, and then removing the vacuum state of the transparent measuring tool 4;
sixthly, separating the transparent measuring tool 4 filled with the electrolyte from the measuring tool plug 31;
the seventh step of measuring the mass MB of the transparent measuring tool 4 filled with the electrolyte obtained in the sixth step;
and step eight, substituting MA, MB and V into a calculation formula MB-MA/V to calculate and obtain the density of the collected electrolyte and record the calculated and obtained density of the collected electrolyte.
The above embodiments are merely preferred embodiments of the present invention, and not intended to limit the structure and scope of the invention. Indeed, many equivalent variations in the shapes, constructions and design objectives of the devices according to the present invention are possible. Therefore, all equivalent changes in the shapes, structures and design objectives of the present invention are intended to be covered by the present invention, and all such equivalent changes are intended to be protected by the present invention.
Claims (4)
1. The utility model provides a device of electrolyte in collection AGM baffle which characterized by: comprises a Buchner funnel (1) with a sealing cover, filter paper (2), a measuring tool plug (31), a suction filter bottle plug (32), a transparent measuring tool (4), a connecting pipe (5), a suction filter bottle (6) and a vacuum pump (7); the filter paper (2) is arranged in the Buchner funnel (1), the measuring tool plug (31) is connected with the upper end of the transparent measuring tool (4) in a sealing way, and the lower end of the Buchner funnel (1) penetrates through the measuring tool plug (31) in a sealing way and is suspended in the transparent measuring tool (4); the filter flask plug (32) is connected with the mouth of the filter flask (6) in a sealing way; the lower end of the left end of the connecting pipe (5) penetrates through the measuring tool plug (31) in a sealing manner to be suspended in the transparent measuring tool (4), and the lower end of the right end of the connecting pipe (5) penetrates through the suction filter bottle plug (32) in a sealing manner to be suspended in the suction filter bottle (6); the vacuum pump (7) is communicated with the body of the filter flask (6) in a sealing way.
2. The apparatus for collecting electrolyte in an AGM separator according to claim 1, wherein: the measuring tool plug (31) and the suction filtration bottle plug (32) are both cone-shaped rubber plugs.
3. The apparatus for collecting electrolyte in an AGM separator according to claim 1, wherein: the measuring device also comprises an electronic scale and a lifting platform, wherein the electronic scale is arranged on the platform surface of the lifting platform, and the transparent measuring tool (4) is arranged on the scale surface of the electronic scale.
4. A method of obtaining a density of electrolyte collected by a device for collecting electrolyte in an AGM separator, characterized by:
firstly, cleaning and drying components including a Buchner funnel (1), a measuring tool plug (31), a suction filter bottle plug (32), a transparent measuring tool (4), a connecting pipe (5) and a suction filter bottle (6);
secondly, measuring and recording the quality MA of the transparent measuring tool (4);
thirdly, mounting and connecting all parts of a device for collecting the electrolyte in the AGM partition plate of the lead-acid storage battery;
fourthly, opening a sealing cover of the Buchner funnel (1), putting the AGM to be tested into the Buchner funnel (1), and then closing the sealing cover of the Buchner funnel (1);
fourthly, turning on a vacuum pump (7), adjusting the vacuum degree to be between-0.08 MPa and-0.09 MPa, continuously vacuumizing for 3 to 5 minutes, and then turning off the vacuum pump (7) to stop vacuumizing;
fifthly, recording the volume V of the electrolyte in the transparent measuring tool (4) when the vacuum pump (7) is just closed, and then removing the vacuum state of the transparent measuring tool (4);
sixthly, separating the transparent measuring tool (4) filled with the electrolyte from the measuring tool plug (31);
seventhly, measuring the mass MB of the transparent measuring tool (5) filled with the electrolyte obtained in the sixth step;
and step eight, substituting MA, MB and V into a calculation formula (MB-MA)/V to calculate and obtain the density of the collected electrolyte and record the calculated and obtained density of the collected electrolyte.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010431256.3A CN111678838A (en) | 2020-05-20 | 2020-05-20 | Device for collecting electrolyte in AGM separator and method for obtaining electrolyte density |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010431256.3A CN111678838A (en) | 2020-05-20 | 2020-05-20 | Device for collecting electrolyte in AGM separator and method for obtaining electrolyte density |
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| Publication Number | Publication Date |
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| CN111678838A true CN111678838A (en) | 2020-09-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010431256.3A Pending CN111678838A (en) | 2020-05-20 | 2020-05-20 | Device for collecting electrolyte in AGM separator and method for obtaining electrolyte density |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112394008A (en) * | 2020-11-16 | 2021-02-23 | 山东圣阳电源股份有限公司 | Method for detecting layering degree of electrolyte of partition board |
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| CN204243129U (en) * | 2014-12-03 | 2015-04-01 | 超威电源有限公司 | A kind of lead acid accumulator AGM dividing plate liquid taking device |
| CN206430945U (en) * | 2017-01-10 | 2017-08-22 | 超威电源有限公司 | A kind of device of Quick Acquisition lead-acid accumulator AGM dividing plate electrolyte |
| KR101940312B1 (en) * | 2017-11-07 | 2019-01-18 | 주식회사 정림이피 | Electrolyte forced removal device using vacuum suction |
| CN110203949A (en) * | 2019-07-19 | 2019-09-06 | 郑州中科新兴产业技术研究院 | A kind of full recovery method of waste and old lithium ionic cell electrolyte |
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2020
- 2020-05-20 CN CN202010431256.3A patent/CN111678838A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204243129U (en) * | 2014-12-03 | 2015-04-01 | 超威电源有限公司 | A kind of lead acid accumulator AGM dividing plate liquid taking device |
| CN206430945U (en) * | 2017-01-10 | 2017-08-22 | 超威电源有限公司 | A kind of device of Quick Acquisition lead-acid accumulator AGM dividing plate electrolyte |
| KR101940312B1 (en) * | 2017-11-07 | 2019-01-18 | 주식회사 정림이피 | Electrolyte forced removal device using vacuum suction |
| CN110203949A (en) * | 2019-07-19 | 2019-09-06 | 郑州中科新兴产业技术研究院 | A kind of full recovery method of waste and old lithium ionic cell electrolyte |
Non-Patent Citations (1)
| Title |
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| 陈志 等: "《工科基础化学实验汇编》", 31 August 2018 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112394008A (en) * | 2020-11-16 | 2021-02-23 | 山东圣阳电源股份有限公司 | Method for detecting layering degree of electrolyte of partition board |
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Application publication date: 20200918 |