CN109065829B - Melt pouring system - Google Patents
Melt pouring system Download PDFInfo
- Publication number
- CN109065829B CN109065829B CN201811084917.9A CN201811084917A CN109065829B CN 109065829 B CN109065829 B CN 109065829B CN 201811084917 A CN201811084917 A CN 201811084917A CN 109065829 B CN109065829 B CN 109065829B
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- CN
- China
- Prior art keywords
- melt
- chamber
- vacuum
- battery
- vacuum chamber
- 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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- 239000000155 melt Substances 0.000 claims abstract description 50
- 239000011261 inert gas Substances 0.000 claims abstract description 20
- 230000007246 mechanism Effects 0.000 claims abstract description 18
- 238000007789 sealing Methods 0.000 claims abstract description 14
- 230000037452 priming Effects 0.000 claims abstract description 4
- 239000007788 liquid Substances 0.000 claims description 15
- 238000003973 irrigation Methods 0.000 claims description 8
- 230000002262 irrigation Effects 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000004146 energy storage Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 2
- FKNQFGJONOIPTF-UHFFFAOYSA-N Sodium cation Chemical compound [Na+] FKNQFGJONOIPTF-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910001338 liquidmetal Inorganic materials 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 229910001415 sodium ion Inorganic materials 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000013072 incoming material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/60—Arrangements or processes for filling or topping-up with liquids; Arrangements or processes for draining liquids from casings
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Secondary Cells (AREA)
Abstract
A melt pouring system in the energy storage battery technology field, comprising: the charging device comprises a storage tank, a feed tank, a filling mechanism and a positioning jig, wherein the storage tank, the feed tank and the filling mechanism are sequentially connected, a battery to be charged is fixed on the positioning jig, and the filling mechanism is arranged in alignment with a charging hole on the battery to be charged; the priming mechanism includes: the device comprises a pressure irrigator, a measurer, a vacuum chamber and a melt nozzle, wherein the top of the measurer is provided with the pressure irrigator, the bottom of the measurer is connected with the vacuum chamber, the bottom of the vacuum chamber is fixedly provided with the melt nozzle, and the melt nozzle is arranged above a charging hole on a battery and is coaxially arranged with the charging hole on the battery; the top of the vacuum chamber is provided with an upper valve, the bottom of the vacuum chamber is provided with a lower valve, and the vacuum chamber is connected with a vacuum pump and an inert gas tank; the positioning jig is provided with a vacuum sealing cover, and the vacuum sealing cover is connected with a vacuum pump. According to the invention, the melt pouring precision is accurately controlled by arranging the measurer, so that the pouring precision error is ensured to be less than or equal to 1%.
Description
Technical Field
The invention relates to a technology in the field of energy storage batteries, in particular to a melt pouring system.
Background
At present, the sodium ion battery is difficult to ensure the pouring precision during the pouring of the melt, so that the quality of the product is unstable. In addition, in the current pouring technology, the melt is heated to a set melting temperature in a melt storage barrel, and then inert gas is introduced to pour the melted melt into the battery. Because the temperature difference between the melt temperature and the operating environment temperature is large, the temperature is lost in the process of injecting the melt into the battery through the pipeline, so that the temperature of the melt injected into the battery is unstable, and the quality of a product is influenced; and the melt is easy to contact with air and react with water vapor, so that the quality of the product is unqualified.
Disclosure of Invention
The invention provides a melt pouring system aiming at the defects in the prior art, which can improve the pouring precision, keep the state of a melt in the process of melt pouring, avoid contact oxidation with air and improve the product quality.
The invention is realized by the following technical scheme:
the invention comprises the following steps: the device comprises a storage tank, a feed tank, a filling mechanism and a positioning jig, wherein the storage tank, the feed tank and the filling mechanism are sequentially connected, a battery to be charged is fixed on the positioning jig, and the filling mechanism is arranged in alignment with a battery charging port;
the priming mechanism includes: the device comprises a pressure irrigator, a measurer, a vacuum chamber and a melt nozzle, wherein the top of the measurer is provided with the pressure irrigator, the bottom of the measurer is connected with the vacuum chamber, the bottom of the vacuum chamber is fixedly provided with the melt nozzle, and the melt nozzle is arranged above a charging hole on a battery and is coaxially arranged with the charging hole on the battery;
the top of the vacuum chamber is provided with an upper valve, the bottom of the vacuum chamber is provided with a lower valve, and the vacuum chamber is connected with a vacuum pump and an inert gas tank;
the positioning jig is provided with a vacuum sealing cover, and the vacuum sealing cover is connected with a vacuum pump.
The measurer adopts a double-layer structure and comprises an inner layer quantitative measuring chamber and an outer layer liquid containing chamber sleeved on the inner layer, wherein the height of the inner layer quantitative measuring chamber is lower than that of the outer layer liquid containing chamber, and the top of the outer layer liquid containing chamber is provided with a pair of electrodes; the pressure irrigation direction of the pressure irrigation device is the height direction of the inner layer quantitative measuring chamber.
The pressure irrigation device adopts a piston push rod or an air pump; preferably, a piston push rod is adopted, the size of the piston push rod is matched with that of the inner quantitative measuring chamber, a certain sealing effect is achieved, gas leakage in the pouring process is prevented, the quality of a melt is damaged, and the piston push rod is simple in structure and controllable in operation.
The feed tank is connected with a vacuum pump and an inert gas tank.
According to the invention, a material storage tank, a melt nozzle and a conveying pipeline are all coated by an aluminum plate with the thickness of 20-50 mm, and then the aluminum plate is heated by a heating electric corner, and the real-time temperature is detected by a temperature sensor.
Technical effects
Compared with the prior art, the invention precisely controls the melt pouring precision by arranging the measurer, and ensures that the pouring precision error is less than or equal to 1%; and in the melt pouring process, heating and heat preservation measures are adopted to maintain the state of the melt, so that the product quality is improved.
Drawings
FIG. 1 is a schematic diagram of a system structure of an embodiment 1;
FIG. 2 is a schematic diagram of the structure of the measuring device in the embodiment 1;
in the figure: the device comprises a first vacuum pump 1, a first inert gas tank 2, a feed tank 3, a storage tank 4, a measurer 5, a vacuum chamber 6, a melt nozzle 7, a battery 8, a positioning jig 9, a vacuum sealing cover 10, a second vacuum pump 11, a lower valve 12, a third vacuum pump 13, an upper valve 14, a second inert gas tank 15, a piston push rod 16, an electrode 17, an inner quantitative measuring chamber 51 and an outer liquid containing chamber 52.
Detailed Description
The invention is described in detail below with reference to the drawings and the detailed description.
Example 1
As shown in fig. 1, the present embodiment includes: the charging device comprises a storage tank 4, a feed tank 3, a filling mechanism and a positioning jig 9, wherein the storage tank 4, the feed tank 3 and the filling mechanism are sequentially connected, a battery 8 to be charged is fixed on the positioning jig 9, and the filling mechanism is arranged in alignment with a charging hole on the battery 8;
the priming mechanism includes: the device comprises a piston push rod 16, a measurer 5, a vacuum chamber 6 and a melt nozzle 7, wherein the top of the measurer 5 is provided with the piston push rod 16, the bottom of the measurer is connected with the vacuum chamber 6, the melt nozzle 7 is fixed at the bottom of the vacuum chamber 6, and the melt nozzle 7 is arranged above a charging hole on a battery 8 and is coaxially arranged with the charging hole on the battery 8;
the top of the vacuum chamber 6 is provided with an upper valve 14, the bottom of the vacuum chamber 6 is provided with a lower valve 12, and the vacuum chamber 6 is connected with a third vacuum pump 13 and a second inert gas tank 15.
The positioning jig 9 is provided with a vacuum sealing cover 10, and the vacuum sealing cover 10 is connected with a second vacuum pump 11.
The feed tank 3 is connected with a first vacuum pump 1 and a first inert gas tank 2.
As shown in fig. 2, the measuring device 5 adopts a double-layer structure, and comprises an inner quantitative measuring chamber 51 and an outer liquid containing chamber 52 sleeved on the inner layer, wherein the height of the inner quantitative measuring chamber 51 is lower than that of the outer liquid containing chamber 52, and the top of the outer liquid containing chamber 52 is provided with a pair of electrodes 17; the size of the piston push rod 16 is matched with that of the inner quantitative measuring chamber 51, and the pressure irrigation direction is the height direction of the inner quantitative measuring chamber; the melt supplied from the storage tank 4 fills the outer layer liquid containing chamber 52 until the liquid level is higher than the top of the inner layer quantitative measuring chamber 51, and then flows into the inner layer quantitative measuring chamber 51 until the melt fills the inner layer quantitative measuring chamber 51, and then the outer layer liquid containing chamber 52 is further filled, a circuit path is formed after the liquid level of the melt in the outer layer liquid containing chamber 52 rises to contact with the electrode 17, and the first inert gas tank 2 stops pressurizing and introducing inert gas according to the change of a circuit signal.
The embodiment works in the following steps:
1) The upper valve 14 and the lower valve 12 are closed, the measurer 5 is subjected to low vacuum, and the low vacuum range is 80 kPa-0 kPa; then opening the first inert gas tank 2 to pressurize the feed tank 3, and pouring the melt into the measurer 5; an electrode 17 disposed at the top of the measurer 5 is contacted to the melt to form a circuit path, closing the first inert gas tank 2, and stopping pouring the melt; the piston push rod 16 is pressed downwards, and redundant melt is pressed and flows back to the feed tank 3, so that the pouring accuracy error is less than or equal to 1%;
2) Maintaining the states of the upper valve 14 and the lower valve 12 unchanged, and synchronously vacuumizing the vacuum chamber 6 and the vacuum sealing cover 10 to a preset value; preferably, said predetermined value is 35mbar;
3) The upper valve 14 is opened to enable the melt to enter the vacuum chamber 6, the second inert gas tank 15 is opened to fill inert gas into the vacuum chamber, the lower valve 12 is opened finally, the melt is poured into the battery through the melt nozzle 7 under the pressure of the inert gas, and the upper valve 14, the lower valve 12 and the second inert gas tank 15 are closed after the pouring is completed.
The inert gas is nitrogen or argon.
The negative electrode liquid metal sodium melt is poured into the sodium ion battery, the temperature of the liquid metal sodium melt is required to be kept within the range of 200+/-2 ℃, and the temperature difference between the battery incoming material temperature of 305+/-5 ℃ and the pouring temperature of 200+/-2 ℃ is considered to be larger, so that the storage tank 4 and the supply tank 3 are sequentially arranged for transition treatment, and all mechanisms and conveying pipelines are coated by aluminum plates with the thickness of 20-50 mm from the storage tank to the melt nozzle, and then the heating electric corner is used for heating, and the temperature sensor is used for detecting the real-time temperature, so that the temperature meets the melt pouring requirement.
In the embodiment, a non-contact design is adopted between the melt nozzle 7 and the battery 8, so that damage and hidden danger to the battery caused by direct contact can be avoided, and the vacuumizing efficiency of the battery is improved.
In the embodiment, all mechanisms and connecting parts thereof are made of corrosion-resistant materials, and simultaneously a high-temperature-resistant sealing piece and high-temperature-resistant sealant are used for sealing treatment, so that the whole filling system is ensured to have good sealing performance, and the vacuumizing efficiency and the reliability of inert gas protection are ensured.
It is emphasized that: the above embodiments are merely preferred embodiments of the present invention, and the present invention is not limited in any way, and any simple modification, equivalent variation and modification made to the above embodiments according to the technical substance of the present invention still fall within the scope of the technical solution of the present invention.
Claims (2)
1. A melt pouring system, comprising: the charging device comprises a storage tank, a supply tank, a filling mechanism and a positioning jig, wherein the storage tank, the supply tank and the filling mechanism are sequentially connected, the supply tank is connected with a vacuum pump and an inert gas tank, a battery to be charged is fixed on the positioning jig, and the filling mechanism is arranged in alignment with a charging hole on the battery to be charged;
the priming mechanism includes: the device comprises a pressure irrigator, a measurer, a vacuum chamber and a melt nozzle, wherein the top of the measurer is provided with the pressure irrigator, the bottom of the measurer is connected with the vacuum chamber, the bottom of the vacuum chamber is fixedly provided with the melt nozzle, and the melt nozzle is arranged above a charging hole on a battery and is coaxially arranged with the charging hole on the battery;
the pressure irrigation device adopts a piston push rod structure, and the size of the pressure irrigation device is matched with that of the inner quantitative measuring chamber; the measuring device adopts a double-layer structure and comprises an inner layer quantitative measuring chamber and an outer layer liquid containing chamber sleeved on the inner layer, the height of the inner layer quantitative measuring chamber is lower than that of the outer layer liquid containing chamber, a pair of electrodes are arranged at the top of the outer layer liquid containing chamber, and a circuit path can be formed by contacting a melt poured into the measuring device with the electrodes arranged at the top of the measuring device; the pressure irrigation direction of the pressure irrigation device is the height direction of the inner layer quantitative measuring chamber;
the top of the vacuum chamber is provided with an upper valve, the bottom of the vacuum chamber is provided with a lower valve, and the vacuum chamber is connected with a vacuum pump and an inert gas tank;
the positioning jig is provided with a vacuum sealing cover, and the vacuum sealing cover is connected with a vacuum pump.
2. The melt pouring system according to claim 1, wherein the melt pouring system is coated by a 20-50 mm thick aluminum plate from the storage tank to the melt nozzle and the conveying pipeline, and is provided with a heating electric corner and a temperature sensor, and the temperature of the melt at each part is controlled on the melt pouring path so as to meet the requirement of the melt pouring temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811084917.9A CN109065829B (en) | 2018-09-18 | 2018-09-18 | Melt pouring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811084917.9A CN109065829B (en) | 2018-09-18 | 2018-09-18 | Melt pouring system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109065829A CN109065829A (en) | 2018-12-21 |
| CN109065829B true CN109065829B (en) | 2024-02-02 |
Family
ID=64761962
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811084917.9A Active CN109065829B (en) | 2018-09-18 | 2018-09-18 | Melt pouring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109065829B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5355937A (en) * | 1991-09-27 | 1994-10-18 | Wieland-Werke Ag | Method and apparatus for the manufacture of a metal strip with near net shape |
| JPH08298110A (en) * | 1995-04-25 | 1996-11-12 | Toshiba Corp | Electrolyte injecting method and device thereof |
| CN2342473Y (en) * | 1998-08-06 | 1999-10-06 | 凯丰工业股份有限公司 | Filler for battery lead caster |
| KR20050046600A (en) * | 2003-11-14 | 2005-05-18 | 소니 가부시키가이샤 | Battery pack and method for manufacturing the same |
| JP2008091065A (en) * | 2006-09-29 | 2008-04-17 | Matsushita Electric Ind Co Ltd | Liquid injection method and liquid injection device of lithium secondary battery |
| CN102001185A (en) * | 2010-09-17 | 2011-04-06 | 连云港中复连众复合材料集团有限公司 | Secondary injection molding process of megawatt level wind turbine blades |
| CN102034956A (en) * | 2009-09-24 | 2011-04-27 | 三星Sdi株式会社 | Vacuum pressurization apparatus for pouring electrolyte and method for pouring using the electrolyte |
| CN107221640A (en) * | 2017-06-09 | 2017-09-29 | 北京科技大学 | A kind of preparation method of the compound sodium negative pole of sodium-ion battery |
| WO2018090819A1 (en) * | 2016-11-15 | 2018-05-24 | 东莞宜安科技股份有限公司 | Equipment and process for bulk amorphous alloy high-vacuum die-casting and forming |
| CN208848997U (en) * | 2018-09-18 | 2019-05-10 | 博众精工科技股份有限公司 | System is perfused in melt |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104668504B (en) * | 2013-11-30 | 2017-06-16 | 中国科学院金属研究所 | Non-crystaline amorphous metal component casting equipment and technique |
-
2018
- 2018-09-18 CN CN201811084917.9A patent/CN109065829B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5355937A (en) * | 1991-09-27 | 1994-10-18 | Wieland-Werke Ag | Method and apparatus for the manufacture of a metal strip with near net shape |
| JPH08298110A (en) * | 1995-04-25 | 1996-11-12 | Toshiba Corp | Electrolyte injecting method and device thereof |
| CN2342473Y (en) * | 1998-08-06 | 1999-10-06 | 凯丰工业股份有限公司 | Filler for battery lead caster |
| KR20050046600A (en) * | 2003-11-14 | 2005-05-18 | 소니 가부시키가이샤 | Battery pack and method for manufacturing the same |
| JP2008091065A (en) * | 2006-09-29 | 2008-04-17 | Matsushita Electric Ind Co Ltd | Liquid injection method and liquid injection device of lithium secondary battery |
| CN102034956A (en) * | 2009-09-24 | 2011-04-27 | 三星Sdi株式会社 | Vacuum pressurization apparatus for pouring electrolyte and method for pouring using the electrolyte |
| CN102001185A (en) * | 2010-09-17 | 2011-04-06 | 连云港中复连众复合材料集团有限公司 | Secondary injection molding process of megawatt level wind turbine blades |
| WO2018090819A1 (en) * | 2016-11-15 | 2018-05-24 | 东莞宜安科技股份有限公司 | Equipment and process for bulk amorphous alloy high-vacuum die-casting and forming |
| CN107221640A (en) * | 2017-06-09 | 2017-09-29 | 北京科技大学 | A kind of preparation method of the compound sodium negative pole of sodium-ion battery |
| CN208848997U (en) * | 2018-09-18 | 2019-05-10 | 博众精工科技股份有限公司 | System is perfused in melt |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109065829A (en) | 2018-12-21 |
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