CN207727003U - A kind of process units of fluorinated ethylene carbonate - Google Patents
A kind of process units of fluorinated ethylene carbonate Download PDFInfo
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- CN207727003U CN207727003U CN201721544608.6U CN201721544608U CN207727003U CN 207727003 U CN207727003 U CN 207727003U CN 201721544608 U CN201721544608 U CN 201721544608U CN 207727003 U CN207727003 U CN 207727003U
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Abstract
The utility model discloses a kind of process units of fluorinated ethylene carbonate, including, solvent holding vessel, first raw material storage tanks, second raw material storage tanks, synthesis reaction vessel, the synthesis reaction vessel respectively with the solvent holding vessel, first raw material storage tanks and the second raw material storage tanks are connected, filter, described filter one end is connected with the liquid outlet of the synthesis reaction vessel, the other end is connected with the inlet of rectifying column, the discharge port of the filter bottom is connected with recycling can, the liquid outlet of the rectifying column is connected with the inlet of dehydration slot, the liquid outlet of the dehydration slot is connected with finished pot, the discharge port of the dehydration slot is connected with the recycling can, the utility model absorbs the discharge of sour gas using device for absorbing tail gas, it avoids causing environmental pollution；Recycled solvent in reaction, just meets continuable development principle, and resource reutilization is cost-effective.
Description
Technical field
The utility model is related to a kind of process units of fluorinated ethylene carbonate, belong to lithium-ion battery electrolytes additive
Applied technical field.
Background technology
Fluorinated ethylene carbonate, can the better SEI of forming properties as the additive in the lithium-ion electrolyte of lithium battery
Film is effectively improved the high and low temperature resistance of lithium-ion electrolyte, and can improve the anti-fire of lithium-ion electrolyte, increases battery
Cycle life and security performance is significantly improved.
Sour gas is inevitably will produce in production fluorinated ethylene carbonate, some techniques are directly discharged to air
In, also cause environmental pollution；The high purity product that rectifying obtains is not further processed, and keeping life can be caused shorter.
Utility model content
The purpose of this utility model is in view of the deficienciess of the prior art, providing a kind of production of fluorinated ethylene carbonate
Device is absorbed with device for absorbing tail gas, avoids causing environmental pollution.
To achieve the above object, the utility model provides a kind of process units of fluorinated ethylene carbonate, including, solvent
Holding vessel, the first raw material storage tanks, the second raw material storage tanks, synthesis reaction vessel, the synthesis reaction vessel respectively with the solvent
Holding vessel, the first raw material storage tanks and the second raw material storage tanks are connected, filter, and described filter one end and the synthesis are anti-
The liquid outlet of kettle is answered to be connected, the other end is connected with the inlet of rectifying column, discharge port and the recycling can phase of the filter bottom
Even, the liquid outlet of the rectifying column is connected with the inlet of dehydration slot, and the liquid outlet of the dehydration slot is connected with finished pot, described
The discharge port of dehydration slot is connected with the recycling can.
In a kind of process units of fluorinated ethylene carbonate as described above, wherein the solvent holding vessel is arranged in institute
It states between the first raw material storage tanks and the second raw material storage tanks, second raw material storage tanks (3) are arranged in the synthetic reaction
The top of kettle.
In a kind of process units of fluorinated ethylene carbonate as described above, wherein the solvent holding vessel and the conjunction
At being disposed with first switch valve and the first metering pump, first raw material storage tanks and the synthetic reaction between reaction kettle
It is provided with the second metering pump between kettle, second switch valve is provided between second raw material storage tanks and synthesis reaction vessel.
In a kind of process units of fluorinated ethylene carbonate as described above, wherein the rectifying column and the dehydration slot
Between be provided with cooling water condensation device, the liquid outlet of the cooling water condensation device is connected by pipeline with the solvent holding vessel.
In a kind of process units of fluorinated ethylene carbonate as described above, wherein be provided on the synthesis reaction vessel
Thermometer and pressure gauge.
In a kind of process units of fluorinated ethylene carbonate as described above, wherein the gas outlet of the synthesis reaction vessel
It is connected with device for absorbing tail gas.
In a kind of process units of fluorinated ethylene carbonate as described above, wherein first raw material storage tanks are chlorine
For ethylene carbonate raw material storage tanks, second raw material storage tanks are potassium fluoride raw material storage tanks.
The beneficial effects of the utility model are：Discharge of the process units of this fluorinated ethylene carbonate for sour gas
It is absorbed using device for absorbing tail gas, avoids causing environmental pollution；Recycled solvent in reaction is just meeting sustainable development original
Then, resource reutilization, it is cost-effective；The further dehydration of product of obtained high-purity, can expand the term of validity of product, money
Further processing processing cost is saved, and customer requirement can be met to greatest extent using maximizing, maintain customer resources in source.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of the process units for fluorinated ethylene carbonate that the utility model embodiment provides.
The label of each component of attached drawing is as follows：1, solvent holding vessel；2, the first raw material storage tanks；3, the second holding vessel；41、
First metering pump；42, the second metering pump；5, synthesis reaction vessel；6, device for absorbing tail gas；7, filter；8, rectifying column；9, cold
But water cooler；10, it is dehydrated slot；11, finished pot；12, recycling can；13, thermometer；14, pressure gauge；151, first switch valve；
152, second switch valve.
Specific implementation mode
In the following with reference to the drawings and specific embodiments, the utility model is furtherd elucidate, the present embodiment is with the utility model
Implemented under premised on technical solution, it should be understood that these embodiments are merely to illustrate the utility model rather than limit this reality
With novel range.
One embodiment of the utility model provides a kind of process units of fluorinated ethylene carbonate, is fluoro carbonic acid second
The integrated production equipment of enester, obtained fluorinated ethylene carbonate product, purity is high, and moisture is small, and every Testing index reaches row
Industry standard.
As shown in fig.1, a kind of process units of fluorinated ethylene carbonate, including, solvent holding vessel 1, the storage of the first raw material
Deposit tank 2, the second raw material storage tanks 3, synthesis reaction vessel 5, the synthesis reaction vessel 5 is former with the solvent holding vessel 1, first respectively
Expect that holding vessel 2 and the second raw material storage tanks 3 are connected, filter 7,7 one end of the filter and the synthesis reaction vessel 5 go out
Liquid mouth is connected, and the other end is connected with the inlet of rectifying column 8, and the discharge port of 7 bottom of the filter is connected with recycling can 12, institute
The liquid outlet for stating rectifying column 8 is connected with the inlet of dehydration slot 10, is provided between the rectifying column 8 and the dehydration slot 10 cold
But water condenser 9, it is described dehydration slot 10 liquid outlet be connected with finished pot 11, it is described be dehydrated slot 10 discharge port and described time
Closed cans 12 is connected.
The solvent holding vessel 1 is arranged between first raw material storage tanks, 2 and second raw material storage tanks 3, and described the
Two raw material storage tanks 3 are arranged between the top of the synthesis reaction vessel 5, the solvent holding vessel 1 and the synthesis reaction vessel 5
Be disposed with first switch valve 151 and the first metering pump 41, first raw material storage tanks 2 and the synthesis reaction vessel 5 it
Between be provided with the second metering pump 42, be provided with second switch valve 152 between second raw material storage tanks 3 and synthesis reaction vessel 5,
First raw material storage tanks 2 are chlorocarbonic acid vinyl acetate raw material storage tanks, and second raw material storage tanks 3 are potassium fluoride raw material
Holding vessel.
According to a kind of above-described process units of fluorinated ethylene carbonate, specifically production method is：Open institute
First switch valve 151 and the second switch valve 152 are stated, the solvent in the solvent holding vessel 1 is measured by described first
It is transported in the synthesis reaction vessel 5 after 41 metering of pump, the chlorocarbonic acid vinyl acetate raw material in first raw material storage tanks 2 is logical
It crosses after second metering pump 42 measures and is transported in the synthesis reaction vessel 5, the fluorination in second raw material storage tanks 3
In right amount in the synthesis reaction vessel 5, wherein chlorocarbonic acid vinyl acetate and amount of solvent are proportional, pass through meter for potassium addition
Amount pumps to monitor its additive amount, and the synthesis reaction vessel 5 starts operation, and is stirred is uniformly mixed raw material on one side, right on one side
When the synthesis reaction vessel 5 is heated to the preference temperature that chemical reaction occurs, isothermal reaction is carried out for a period of time, chemical reaction is filled
Divide the mixed reaction solution obtained after the completion to squeeze into the filter 7 and is filtered processing, the mixed solution obtained after filtering
It adds to and carries out rectification process in the rectifying column 8, the rectifying column 8 heats up step by step, and obtained finished product steam passes through the cooling
Water condenser 9 cools down the fluoro ethylene carbonate with high purity that processing obtains and is carried out at dehydration into the dehydration slot 10
Reason, is waited within the near professional standard of moisture in fluorinated ethylene carbonate, can add detection moisture device here, can
To monitor the content of moisture in fluorinated ethylene carbonate solution in real time, the low-moisture fluoro of standard compliant high-purity is finally collected
In ethylene carbonate to the finished pot 11.
In the production process of above-mentioned fluorinated ethylene carbonate, gas outlet and the tail gas absorption of the synthesis reaction vessel 5 fill
It sets 6 to be connected, the tail gas that the synthesis reaction vessel 5 generates in chemically reacting, which enters in tail gas reception device 9, to be handled, and is avoided
Sour gas is discharged into air, is being discharged after processing reaches discharge standard, economic and environment-friendly, is realized chemical industry green, safety, is kept away
Exempt to cause environmental pollution.
In the present embodiment, the solid residue that mixed solution in the rectifying column 8 generate in distillation process is transmitted to institute
It states in recycling can 12, is recycled, the utilization again of residue.
The liquid outlet of the cooling water condensation device 9 is connected by pipeline with the solvent holding vessel 1, will be in distillation process
Before evaporate steam and in recycling design to the solvent holding vessel 1, utilized, followed again after the cooling water condensation device 9 cooling
Ring uses, and meets the theory of modern safety production and environmental protection.
Thermometer 13 and pressure gauge 14 are provided on the synthesis reaction vessel 5, in the synthesis reaction vessel 5 temperature and
Pressure is controlled, and ensures the adequacy of reaction.
The process units of this fluorinated ethylene carbonate absorbs the discharge of sour gas using device for absorbing tail gas, keeps away
Exempt to cause environmental pollution；Recycled solvent in reaction, just meets continuable development principle, and resource reutilization is cost-effective；
The further dehydration of product of obtained high-purity, can expand the term of validity of product, and maximum resource utilization is saved further
Working process cost, and customer requirement can be met to greatest extent, maintain customer resources.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this practicality is new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this practicality is new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing in the equivalent requirements of the claims will be fallen
All changes in justice and range are embraced therein.Any reference numeral in claim should not be considered as limitation
Involved claim.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiment being appreciated that.
Claims (7)
1. a kind of process units of fluorinated ethylene carbonate, including,
Solvent holding vessel (1),
First raw material storage tanks (2),
Second raw material storage tanks (3),
Synthesis reaction vessel (5), the synthesis reaction vessel (5) respectively with the solvent holding vessel (1), the first raw material storage tanks (2)
And second raw material storage tanks (3) be connected, filter (7), described filter (7) one end and the synthesis reaction vessel (5) go out
Liquid mouth is connected, and the other end is connected with the inlet of rectifying column (8),
It is characterized in that：The discharge port of filter (7) bottom is connected with recycling can (12), and the rectifying column (8) goes out liquid
Mouth is connected with the inlet of dehydration slot (10), and the liquid outlet of the dehydration slot (10) is connected with finished pot (11), the dehydration slot
(10) discharge port is connected with the recycling can (12).
2. a kind of process units of fluorinated ethylene carbonate according to claim 1, it is characterised in that：The solvent storage
Tank (1) is arranged between first raw material storage tanks (2) and the second raw material storage tanks (3), second raw material storage tanks (3)
Top in the synthesis reaction vessel (5) is set.
3. a kind of process units of fluorinated ethylene carbonate according to claim 1, it is characterised in that：The solvent storage
It is disposed with first switch valve (151) and the first metering pump (41) between tank (1) and the synthesis reaction vessel (5), described
The second metering pump (42), second raw material storage tanks are provided between one raw material storage tanks (2) and the synthesis reaction vessel (5)
(3) second switch valve (152) is provided between synthesis reaction vessel (5).
4. a kind of process units of fluorinated ethylene carbonate according to claim 1, it is characterised in that：The rectifying column
(8) cooling water condensation device (9) is provided between the dehydration slot (10), the liquid outlet of the cooling water condensation device (9) passes through
Pipeline is connected with the solvent holding vessel (1).
5. a kind of process units of fluorinated ethylene carbonate according to claim 1, it is characterised in that：The synthetic reaction
Thermometer (13) and pressure gauge (14) are provided on kettle (5).
6. a kind of process units of fluorinated ethylene carbonate according to claim 1, it is characterised in that：The synthetic reaction
The gas outlet of kettle (5) is connected with device for absorbing tail gas (6).
7. a kind of process units of fluorinated ethylene carbonate according to claim 1, it is characterised in that：First raw material
Holding vessel (2) is chlorocarbonic acid vinyl acetate raw material storage tanks, and second raw material storage tanks (3) are potassium fluoride raw material storage tanks.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721544608.6U CN207727003U (en) | 2017-11-18 | 2017-11-18 | A kind of process units of fluorinated ethylene carbonate |
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| CN201721544608.6U CN207727003U (en) | 2017-11-18 | 2017-11-18 | A kind of process units of fluorinated ethylene carbonate |
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| CN207727003U true CN207727003U (en) | 2018-08-14 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115318224A (en) * | 2022-07-18 | 2022-11-11 | 福建三农新材料有限责任公司 | Perfluoroalkyl ethyl alkoxy silane production device and control method thereof |
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2017
- 2017-11-18 CN CN201721544608.6U patent/CN207727003U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115318224A (en) * | 2022-07-18 | 2022-11-11 | 福建三农新材料有限责任公司 | Perfluoroalkyl ethyl alkoxy silane production device and control method thereof |
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