CN115215004A - Method for storing and taking high-purity anhydrous alkyl sultone - Google Patents
Method for storing and taking high-purity anhydrous alkyl sultone Download PDFInfo
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- CN115215004A CN115215004A CN202210902800.7A CN202210902800A CN115215004A CN 115215004 A CN115215004 A CN 115215004A CN 202210902800 A CN202210902800 A CN 202210902800A CN 115215004 A CN115215004 A CN 115215004A
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- tank body
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- taking
- protective
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- -1 alkyl sultone Chemical class 0.000 title claims abstract description 32
- 238000000034 method Methods 0.000 title claims abstract description 21
- 230000001681 protective effect Effects 0.000 claims abstract description 57
- 239000007788 liquid Substances 0.000 claims abstract description 55
- 238000003860 storage Methods 0.000 claims abstract description 32
- 230000007246 mechanism Effects 0.000 claims abstract description 25
- 238000012544 monitoring process Methods 0.000 claims abstract description 19
- 238000002347 injection Methods 0.000 claims abstract description 6
- 239000007924 injection Substances 0.000 claims abstract description 6
- 239000007789 gas Substances 0.000 claims description 46
- 238000007789 sealing Methods 0.000 claims description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 12
- 239000002253 acid Substances 0.000 claims description 8
- 229910052757 nitrogen Inorganic materials 0.000 claims description 6
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 4
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 3
- 150000002596 lactones Chemical class 0.000 claims description 3
- 229910052744 lithium Inorganic materials 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 239000001569 carbon dioxide Substances 0.000 claims description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 2
- 239000011261 inert gas Substances 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 230000006866 deterioration Effects 0.000 abstract description 3
- MHYFEEDKONKGEB-UHFFFAOYSA-N oxathiane 2,2-dioxide Chemical compound O=S1(=O)CCCCO1 MHYFEEDKONKGEB-UHFFFAOYSA-N 0.000 description 8
- 238000012360 testing method Methods 0.000 description 7
- FSSPGSAQUIYDCN-UHFFFAOYSA-N 1,3-Propane sultone Chemical compound O=S1(=O)CCCO1 FSSPGSAQUIYDCN-UHFFFAOYSA-N 0.000 description 6
- 230000008859 change Effects 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000003203 everyday effect Effects 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000012824 chemical production Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 150000008053 sultones Chemical class 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D88/00—Large containers
- B65D88/74—Large containers having means for heating, cooling, aerating or other conditioning of contents
- B65D88/744—Large containers having means for heating, cooling, aerating or other conditioning of contents heating or cooling through the walls or internal parts of the container, e.g. circulation of fluid inside the walls
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D90/00—Component parts, details or accessories for large containers
- B65D90/02—Wall construction
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D90/00—Component parts, details or accessories for large containers
- B65D90/48—Arrangements of indicating or measuring devices
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D327/00—Heterocyclic compounds containing rings having oxygen and sulfur atoms as the only ring hetero atoms
- C07D327/02—Heterocyclic compounds containing rings having oxygen and sulfur atoms as the only ring hetero atoms one oxygen atom and one sulfur atom
Abstract
The invention relates to a method for preserving and taking high-purity anhydrous alkyl sultone, which comprises the following steps: s1, storage: the method comprises the steps that a closed tank body with a protective gas storage tank is used for storing a target product, protective gas is used for replacing original gas in the closed tank body before the target product is injected into the closed tank body, the target product is injected after replacement is finished, a certain protective space is reserved at the top of the closed tank body after injection is finished, the protective gas is filled in the protective space, and a controller controls the opening and closing of an electromagnetic valve according to a signal monitored by a pressure monitoring mechanism so that the pressure in the protective space is maintained at 1.2-1.5atm; s2, taking: the closed tank body is provided with a liquid taking pipeline, the liquid taking pipeline extends into the pipe section in the closed tank body and is spirally coiled to enable the liquid inlet end to be close to the bottom end of the closed tank body, and the liquid outlet end of the liquid taking pipeline is located outside the closed tank body. The method has the advantages that the quality of the stored target product can be maintained for a long time, and the target product has better storage resistance and the characteristic of being frequently used for a plurality of times without deterioration.
Description
Technical Field
The invention relates to the field of organic chemical industry, in particular to a method for storing and taking high-purity anhydrous alkyl sultone.
Background
High purity anhydrous alkylsulfonic acid values of ultra low acid numbers (less than 50 ppm) and low moisture (less than 50 ppm) are currently widely used as additives for high end lithium battery electrolytes. The ultralow acid value and the ultralow water content not only have extremely high requirements on the production and purification process of chemical production enterprises, but also can not be used for storing, transporting, taking and the like of the products according to the conventional mode of common products, otherwise, the water content of the originally up-to-standard products is increased and deteriorated due to improper storage or taking of the products.
In the prior art, the product is usually sealed and stored by a sealed tank body, the sealed tank body is provided with a piston mechanism, and the piston mechanism gradually descends along with the reduction of liquid in the tank body when the product is taken. The storage and taking method has the following defects that the upper part of the piston mechanism is provided with an air hole communicated with the outside, the piston mechanism is a movable mechanism, so that strict sealing is difficult to realize, and particularly, the sealing performance is easy to have larger problem after the use time is longer, so that the water content of a product is increased and deteriorated due to the fact that the outside humid air diffuses into the tank body; after deterioration, the product in the device must be transferred to a special dewatering device for dewatering, and the manufacturer purchasing the product often has no specially-applied dewatering device or does not know the relevant dewatering technology.
Disclosure of Invention
The invention aims to solve the technical problem of providing a method for storing and taking high-purity anhydrous alkyl sultone, and aims to overcome the defects in the prior art.
The technical scheme for solving the technical problems is as follows: a method for storing and taking high-purity anhydrous alkyl sultone comprises the following steps:
s1, storage: the method comprises the steps that a sealed tank body with a protective gas storage tank is used for storing high-purity anhydrous alkyl sultone, the water content of gas in the protective gas storage tank is not higher than that of the high-purity anhydrous alkyl sultone, before the high-purity anhydrous alkyl sultone is injected into the sealed tank body, a gas valve of the protective gas storage tank is opened to supply gas into the sealed tank body to replace original gas in the sealed tank body, after replacement is finished, the high-purity anhydrous alkyl sultone is injected, a gas pressure monitoring mechanism is arranged at the top of the sealed tank body, after the high-purity anhydrous alkyl sultone is injected, a certain protective space is reserved at the top of the sealed tank body and filled with protective gas, the protective gas storage tank is communicated with an exhaust pipe extending into the sealed tank body, the exhaust pipe is provided with a solenoid valve and a controller, the pressure monitoring mechanism and the solenoid valve are electrically connected with the controller, and the controller controls the opening and closing of the solenoid valve according to signals monitored by the pressure monitoring mechanism to enable the pressure in the protective space to be maintained at 1.2-1.5atm;
s2, taking: the airtight tank body has liquid and gets and use the pipeline, and liquid is taken to be equipped with on the pipeline and takes the valve, and liquid is taken the pipeline and stretches into behind the internal pipeline section spiral of airtight tank and wind the inlet port and press close to the bottom of the airtight tank body, the play liquid end that the pipeline was taken to liquid is located outside the airtight tank, it is close to the play liquid end setting to take the valve, go out liquid end port department threaded connection and have first sealed visor, pull down first sealed visor earlier when getting, then open and take the valve, the internal liquid of airtight tank is taken the pipeline through liquid and is flowed out after, the atmospheric pressure in the automatic maintenance protection space is opened and close to the steerable solenoid valve of controller, takes to close after finishing and takes the valve and reconnect first sealed visor. The pipeline is taken to spiral wound liquid can guarantee to take the in-process at liquid even if moisture in the air has got into the pipeline is taken to liquid, nevertheless because it is spiral and longer, so moisture is difficult for diffusing to airtight jar body in and produces the influence to the quality of a large amount of sultones.
On the basis of the technical scheme, the invention can also make the following further specific selection.
Specifically, the protective gas storage tank is fixed on the outer wall of the closed tank body.
Specifically, an emptying pipe is arranged at the top of the closed tank body and is communicated with the protection space, an emptying valve is arranged on the emptying pipe, a second sealing protective cover is in threaded connection with the upper end of the emptying pipe, an air outlet of the exhaust pipe extends downwards to be close to the bottom wall of the closed tank body (sulfonic acid lactone stored in the tank is bubbled during air inlet, a certain amount of moisture can be carried into the protective gas during contact, the moisture content of the sulfonic acid lactone is reduced, the storage life can be prolonged, certain protective gas can be directly and continuously blown into the tank when the moisture content of the sulfonic acid lactone in the tank is slightly over standard, the moisture is taken away, the quality of the sulfonic acid lactone in the tank reaches the standard, the emptying valve can be opened to exhaust the certain opening degree during blowing of the protective gas, when original gas in the closed tank is replaced, the first sealing protective cover and the second sealing protective cover are detached, the emptying valve and the taking valve are opened, after the set period of continuous replacement, the electromagnetic valve, the controller and the pressure monitoring mechanism are closed, the liquid injection end of the liquid taking pipeline is connected with a connecting joint, the high-purity anhydrous alkyl sulfonic acid lactone is injected into the closed, the closed valve, the emptying valve is connected with the second sealing protective cover, the pressure monitoring mechanism, and the pressure monitoring mechanism is controlled to start 1.5.5.5.5.1.5.
Specifically, the protective gas storage tank stores high-pressure pure nitrogen, carbon dioxide or inert gas, and the water content is below 50 ppm.
Specifically, the sealed tank body is a steel cylinder, and the controller, the pressure monitoring mechanism and the electromagnetic valve are powered by a lithium battery.
Compared with the prior art, the invention has the beneficial effects that:
the method for storing and taking can keep the quality of the stored high-purity anhydrous alkyl sultone (with extremely low water content) for a long time, so that the alkyl sultone has the characteristics of better storage resistance and no deterioration after being frequently taken for many times.
Detailed Description
The present invention is further described in detail with reference to the following specific embodiments, which are provided for illustration only and are not intended to limit the scope of the present invention.
Example 1
This example provides a method for storing and dispensing high-purity anhydrous alkyl sultone (electronic grade 1, 4-butane sultone, acid value and water content both not exceeding 50 ppm), which comprises the following steps:
s1, storage: storing 1, 4-butane sultone by using a closed tank body with a protective gas storage tank (pure nitrogen, the moisture content is below 15 ppm), starting a gas valve of the protective gas storage tank before injecting the 1, 4-butane sultone into the closed tank body to supply gas into the closed tank body to replace the original gas in the closed tank body, calculating the volume of the closed tank body, finishing replacement after the ventilation volume exceeds the volume of the tank body by 1.5-3 times, then injecting the 1, 4-butane sultone, arranging a gas pressure monitoring mechanism at the top of the closed tank body, reserving a certain protective space (about 10 percent of the volume of the tank body) at the top of the closed tank body after the injection of the 1, 4-butane sultone is finished, filling protective gas (nitrogen) into the protective gas storage tank, wherein the protective gas storage tank is communicated with an exhaust pipe extending into the closed tank body, the exhaust pipe is provided with an electromagnetic valve and a controller, the pressure monitoring mechanism and the electromagnetic valve are electrically connected with the controller, and the controller are used for controlling the opening and closing of the electromagnetic valve according to ensure that the protective space pressure is maintained at 1.2atm, the protective space is tested and stored in a relatively humid environment for 6 months, and the moisture content of the 1, 4-butane sultone in the closed tank is almost not more than 3ppm (measured by the difference value);
s2, taking: the closed tank body is provided with a liquid taking pipeline, a taking valve is arranged on the liquid taking pipeline, the liquid taking pipeline extends into a pipe section in the closed tank body and is spirally wound, then a liquid inlet end is close to the bottom end of the closed tank body, a liquid outlet end of the liquid taking pipeline is located outside the closed tank body, the taking valve is arranged close to the liquid outlet end, a first sealing protective cover is in threaded connection with the position of the liquid outlet end, the first sealing protective cover is detached firstly when the liquid taking pipeline is used, then the taking valve is opened, after liquid in the closed tank body flows out through the liquid taking pipeline, the controller can control the electromagnetic valve to be opened and closed, air pressure in the protection space is automatically maintained, the taking valve is closed and the first sealing protective cover is connected again after the taking is finished, a plurality of times of tests are carried out in the humid test environment, the taking valve is taken for 1-2L each day (the total opening time of the taking valve is not more than 2h every day), the taking valve lasts for 30 days, and the moisture content of the residual 1, 4-butane sultone in the tank is almost unchanged relatively before 30 days (the difference value is not more than 3ppm when the difference is measured).
Example 2
The embodiment provides a method for storing and taking high-purity anhydrous alkyl sultone (electronic grade 1, 3-propane sultone, the acid value and the water content are not more than 50 ppm), which comprises the following steps:
s1, storage: storing 1, 4-butane sultone by using a closed tank body with a protective gas storage tank (pure nitrogen, the moisture content is below 15 ppm), opening a gas valve of the protective gas storage tank before injecting 1, 3-propane sultone into the closed tank body to supply gas into the closed tank body to replace the original gas in the closed tank body, calculating the volume of the closed tank body, wherein the ventilation volume exceeds the volume of the tank body by 1.5-3 times, then the replacement is finished, then injecting 1, 3-propane sultone, the top of the closed tank body is provided with a gas pressure monitoring mechanism, after the injection of 1, 3-propane sultone is finished, the top of the closed tank body is reserved with a certain protective space (about 15% of the volume of the tank body), the protective space is filled with protective gas (nitrogen), the protective gas storage tank is communicated with an exhaust pipe extending into the closed tank body, the exhaust pipe is provided with an electromagnetic valve and a controller, the pressure monitoring mechanism and the electromagnetic valve are electrically connected with the controller, the controller controls the opening and closing of the electromagnetic valve according to a signal monitored by the pressure monitoring mechanism to ensure that the pressure in the protective space is maintained at 1.5atm, the pressure is stored in a relatively humid environment for 6 months, and the content of 1, 3-propane sultone is almost not more than 3ppm (measured by the difference value);
s2, taking: the closed tank body is provided with a liquid taking pipeline, a taking valve is arranged on the liquid taking pipeline, the liquid taking pipeline extends into a pipe section in the closed tank body and is spirally wound, then a liquid inlet end is close to the bottom end of the closed tank body, a liquid outlet end of the liquid taking pipeline is located outside the closed tank body, the taking valve is arranged close to the liquid outlet end, a first sealing protective cover is in threaded connection with the position of the liquid outlet end, the first sealing protective cover is detached firstly when the liquid taking pipeline is used, then the taking valve is opened, after liquid in the closed tank body flows out through the liquid taking pipeline, the controller can control the electromagnetic valve to be opened and closed, air pressure in the protection space is automatically maintained, the taking valve is closed and the first sealing protective cover is connected again after the taking is finished, a plurality of times of tests are carried out in the humid test environment, the taking valve is taken for 1-2L each day (the total opening time of the taking valve is not more than 2h every day), the taking valve lasts for 30 days, and the moisture content of 1, 3-propane sultone in the tank is almost unchanged relatively before 30 days (the difference value is not more than 3ppm when the difference is measured).
Comparative example
The alkyl sultone of the embodiment 1 and the embodiment 2 is stored by a traditional piston type storage tank, the related test is carried out in the same humid environment, the water content of the alkyl sultone in the tank is obviously changed after standing and storing for 6 months, and the average value of the water content change is over 10ppm after a plurality of tests; similarly, the test conducted in the manner of example showed that the average change in the water content of the alkylsulfonic acid lactone in the pot was 15ppm or more after 30 days.
As can be seen from the above examples and comparative examples, the storage method provided by the present invention can maintain the quality of the stored high-purity anhydrous (extremely low water content) alkyl sultone for a longer period of time.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the scope of the present invention, which is intended to cover any modifications, equivalents, improvements, etc. within the spirit and scope of the present invention.
Claims (5)
1. A method for storing and taking high-purity anhydrous alkyl sultone is characterized by comprising the following steps:
s1, storage: the method comprises the steps that a sealed tank body with a protective gas storage tank is used for storing high-purity anhydrous alkyl sultone, the water content of gas in the protective gas storage tank is not higher than that of the high-purity anhydrous alkyl sultone, before the high-purity anhydrous alkyl sultone is injected into the sealed tank body, a gas valve of the protective gas storage tank is opened to supply gas into the sealed tank body to replace original gas in the sealed tank body, after replacement is finished, the high-purity anhydrous alkyl sultone is injected, a gas pressure monitoring mechanism is arranged at the top of the sealed tank body, after the high-purity anhydrous alkyl sultone is injected, a certain protective space is reserved at the top of the sealed tank body and filled with protective gas, the protective gas storage tank is communicated with an exhaust pipe extending into the sealed tank body, the exhaust pipe is provided with a solenoid valve and a controller, the pressure monitoring mechanism and the solenoid valve are electrically connected with the controller, and the controller controls the opening and closing of the solenoid valve according to signals monitored by the pressure monitoring mechanism to enable the pressure in the protective space to be maintained at 1.2-1.5atm;
s2, taking: the airtight jar body has liquid and gets and use the pipeline, and liquid is taken to be equipped with on the pipeline and is taken the valve, and liquid is taken the pipeline and stretch into the internal pipeline section spiral of airtight jar and is coiled the back and press close to the inlet port the bottom of the airtight jar body, liquid takes the play liquid end that the pipeline is located outside the airtight jar body, it is close to the play liquid end setting to take the valve, go out liquid end port department threaded connection and have first sealed visor, pull down first sealed visor earlier when getting, then open and take the valve, the internal liquid of airtight jar is taken the pipeline through liquid and is flowed out the back, the atmospheric pressure in the automatic maintenance protection space is opened and close to the steerable solenoid valve of controller, takes the valve and reconnect first sealed visor after finishing taking.
2. The method for preserving high purity anhydrous alkylsulfonic acid lactone according to claim 1, wherein the protective gas storage tank is fixed to an outer wall of the closed tank.
3. The method for preserving high-purity anhydrous alkyl sultone according to claim 1, wherein an emptying pipe is arranged at the top of the closed tank body and is communicated with the protective space, an emptying valve is arranged on the emptying pipe, a second sealing protective cover is connected to the upper end of the emptying pipe in a threaded manner, an air outlet of the exhaust pipe extends downwards to be close to the bottom wall of the closed tank body, when original gas in the closed tank body is replaced, the first and second sealing protective covers are detached, the emptying valve and the taking valve are opened, after the replacement is continuously carried out for a set period of time, the electromagnetic valve, the controller and the pressure monitoring mechanism are closed, a liquid injection mechanism is connected to a liquid outlet end of the liquid taking pipeline through a connecting joint, the high-purity anhydrous alkyl sultone is injected into the closed tank body, the liquid injection is stopped when the total volume of the closed tank body is between 85% and 95%, the taking valve, the emptying valve and the connecting joint are closed, the first and second sealing protective covers are connected, and the electromagnetic valve, the controller and the pressure monitoring mechanism are started to maintain the protective space at a pressure of 1.2-1.5atm.
4. The method for preserving high-purity anhydrous alkylsulfonic acid lactone according to claim 1, wherein high-pressure pure nitrogen, carbon dioxide or inert gas is stored in the protective gas storage tank, and the water content is less than 50 ppm.
5. The method for preserving high-purity anhydrous alkyl sultone according to any one of claims 1 to 4, wherein the sealed tank is a steel cylinder, and the controller, the pressure monitoring mechanism and the electromagnetic valve are powered by a lithium battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210902800.7A CN115215004A (en) | 2022-07-29 | 2022-07-29 | Method for storing and taking high-purity anhydrous alkyl sultone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210902800.7A CN115215004A (en) | 2022-07-29 | 2022-07-29 | Method for storing and taking high-purity anhydrous alkyl sultone |
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| CN115215004A true CN115215004A (en) | 2022-10-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210902800.7A Pending CN115215004A (en) | 2022-07-29 | 2022-07-29 | Method for storing and taking high-purity anhydrous alkyl sultone |
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Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR803676A (en) * | 1935-06-26 | 1936-10-06 | Tamper-evident container, particularly for liquid food products, and its method of use | |
| GB2026859A (en) * | 1978-04-07 | 1980-02-13 | Boc Ltd | Method and apparatus for storing a volatile liquid |
| DE3014166A1 (en) * | 1980-04-12 | 1981-10-22 | Wintershall Ag, 3100 Celle | Floating tank cover sealing method - maintains gas at slight pressure in annular space above fluid level |
| JPH10327840A (en) * | 1997-06-03 | 1998-12-15 | Marukatsu Sangyo Kk | Quality stabilizing apparatus for liquors or the like and device unit therefor |
| CN202279375U (en) * | 2011-10-26 | 2012-06-20 | 邵霞 | Safety storage tank for liquid volatile medicine for chemical experiments |
| CN103836330A (en) * | 2012-11-23 | 2014-06-04 | 宁波创润新材料有限公司 | Liquid storage device, liquid storage method, liquid transfer device and liquid transfer method |
| CN208278708U (en) * | 2018-04-25 | 2018-12-25 | 武汉松石科技股份有限公司 | It is a kind of for storing the low temperature seal storage tank of lithium cell electrolyte lithium salts |
| CN110077746A (en) * | 2019-04-29 | 2019-08-02 | 中国长城葡萄酒有限公司 | Wet tank pressurizer and method |
| CN209553997U (en) * | 2019-01-19 | 2019-10-29 | 西安同成建筑科技有限责任公司 | Use for laboratory acrylic acid safety tanks |
| CN211282242U (en) * | 2019-12-17 | 2020-08-18 | 武汉松石科技股份有限公司 | Long-term storage system of 1, 3-propane sultone |
| CN211282259U (en) * | 2019-12-16 | 2020-08-18 | 武汉松石科技股份有限公司 | Waterless preservation device for liquid chemical products |
| CN113443285A (en) * | 2021-06-23 | 2021-09-28 | 吉林碳谷碳纤维股份有限公司 | Storage method and storage device for monomer prepared from PAN precursor and PAN precursor prepared from monomer |
| CN214987632U (en) * | 2021-04-23 | 2021-12-03 | 江苏万隆化学有限公司 | Can long-term storage's m-fluorobenzoyl for chlorine holding vessel |
| CN215636529U (en) * | 2020-11-23 | 2022-01-25 | 天津懿才化工科技有限公司 | Nitrogen protection device of tank body |
| CN216128778U (en) * | 2021-08-27 | 2022-03-25 | 佛山市海天(高明)调味食品有限公司 | Storage tank nitrogen sealing protection device |
-
2022
- 2022-07-29 CN CN202210902800.7A patent/CN115215004A/en active Pending
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR803676A (en) * | 1935-06-26 | 1936-10-06 | Tamper-evident container, particularly for liquid food products, and its method of use | |
| GB2026859A (en) * | 1978-04-07 | 1980-02-13 | Boc Ltd | Method and apparatus for storing a volatile liquid |
| DE3014166A1 (en) * | 1980-04-12 | 1981-10-22 | Wintershall Ag, 3100 Celle | Floating tank cover sealing method - maintains gas at slight pressure in annular space above fluid level |
| JPH10327840A (en) * | 1997-06-03 | 1998-12-15 | Marukatsu Sangyo Kk | Quality stabilizing apparatus for liquors or the like and device unit therefor |
| CN202279375U (en) * | 2011-10-26 | 2012-06-20 | 邵霞 | Safety storage tank for liquid volatile medicine for chemical experiments |
| CN103836330A (en) * | 2012-11-23 | 2014-06-04 | 宁波创润新材料有限公司 | Liquid storage device, liquid storage method, liquid transfer device and liquid transfer method |
| CN208278708U (en) * | 2018-04-25 | 2018-12-25 | 武汉松石科技股份有限公司 | It is a kind of for storing the low temperature seal storage tank of lithium cell electrolyte lithium salts |
| CN209553997U (en) * | 2019-01-19 | 2019-10-29 | 西安同成建筑科技有限责任公司 | Use for laboratory acrylic acid safety tanks |
| CN110077746A (en) * | 2019-04-29 | 2019-08-02 | 中国长城葡萄酒有限公司 | Wet tank pressurizer and method |
| CN211282259U (en) * | 2019-12-16 | 2020-08-18 | 武汉松石科技股份有限公司 | Waterless preservation device for liquid chemical products |
| CN211282242U (en) * | 2019-12-17 | 2020-08-18 | 武汉松石科技股份有限公司 | Long-term storage system of 1, 3-propane sultone |
| CN215636529U (en) * | 2020-11-23 | 2022-01-25 | 天津懿才化工科技有限公司 | Nitrogen protection device of tank body |
| CN214987632U (en) * | 2021-04-23 | 2021-12-03 | 江苏万隆化学有限公司 | Can long-term storage's m-fluorobenzoyl for chlorine holding vessel |
| CN113443285A (en) * | 2021-06-23 | 2021-09-28 | 吉林碳谷碳纤维股份有限公司 | Storage method and storage device for monomer prepared from PAN precursor and PAN precursor prepared from monomer |
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