CN207694305U - A kind of methyl ethyl carbonate refrigeration dehydration device - Google Patents
A kind of methyl ethyl carbonate refrigeration dehydration device Download PDFInfo
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- CN207694305U CN207694305U CN201721460434.5U CN201721460434U CN207694305U CN 207694305 U CN207694305 U CN 207694305U CN 201721460434 U CN201721460434 U CN 201721460434U CN 207694305 U CN207694305 U CN 207694305U
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- molecular sieve
- dehydration
- ring flange
- dehydration column
- methyl ethyl
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Abstract
A kind of methyl ethyl carbonate refrigeration dehydration device of the utility model；Including dehydration column and the refrigeration interlayer being sleeved on outside dehydration column, the top of dehydration column is equipped with discharging ring flange, the bottom of dehydration column is equipped with charging ring flange, dehydration column is internally provided with molecular sieve, the top of dehydration column side is equipped with the molecular sieve admission line with intake valve, the lower part of dehydration column side is equipped with the molecular sieve outlet pipe with air outlet valve, the interlayer that freezes is equipped with cooling liquid inlet and cooling water outlet, cooling liquid inlet is connected with the cooling liquid outlet of refrigeration machine, and cooling water outlet is connected with the cooling water inlet of refrigeration machine；The outside of the discharging ring flange is equipped with discharge pipe, and the outside for feeding ring flange is equipped with feed pipe；Have the advantages that simple structure and reasonable design, optimize technique, reduces cost, improves quality, can effectively solve the problem that molecular sieve generates heat using molecular sieve when preceding dust is big and dehydration and EMC purity is caused to decline.
Description
Technical field
The utility model belongs to dehydration of organic solvent technical field, and in particular to a kind of methyl ethyl carbonate refrigeration dehydration dress
It sets.
Background technology
Dehydration device is to carry out removing water process to liquid medium, is usually used in the dehydration of organic solvent.Due to existing market EMC
Moisture≤50ppm, purity >=99.97%；But for electrolyte with for raw material EMC, the EMC of LITHIUM BATTERY require be moisture≤
20ppm, purity >=99.97%；Due to electrolyte with raw material EMC for the more demanding of moisture, so corporate boss will adopt
Obtain the EMC of high-purity low water with two methods, first, using the scheme of rectification and purification, not only acquisition cost is high for the program, and transports
Row is of high cost；The second, the existing Molecular sieve dehydration method used, this method have the of low cost and good spy of dehydrating effect
Point, but it is larger to the impurities affect of EMC, so the dehydration problem of the EMC of high-purity high-moisture has prodigious economic implications.
Utility model content
A kind of simple in structure, design conjunction is provided the purpose of the utility model is to overcome the deficiencies in the prior art
Reason, optimize technique reduce cost, improve quality, can effectively solve the problem that molecular sieve produces when molecular sieve uses preceding dust big and dehydration
Heat amount causes the methyl ethyl carbonate refrigeration dehydration device that EMC purity declines.
What the purpose of this utility model was realized in：Including dehydration column and the refrigeration interlayer that is sleeved on outside dehydration column,
The top of dehydration column is equipped with discharging ring flange, and the bottom of dehydration column is equipped with charging ring flange, and dehydration column is internally provided with molecular sieve,
The top of dehydration column side is equipped with the molecular sieve admission line with intake valve, and the lower part of dehydration column side is equipped with point with air outlet valve
Son sifts out feed channel, and refrigeration interlayer is equipped with cooling liquid inlet and cooling water outlet, the coolant liquid of cooling liquid inlet and refrigeration machine
Outlet is connected, and cooling water outlet is connected with the cooling water inlet of refrigeration machine；The outside of the discharging ring flange is equipped with discharge pipe,
The outside for feeding ring flange is equipped with feed pipe.
Preferably, it is respectively arranged with sieve on the inside of the discharging ring flange and charging ring flange.
Preferably, the molecular sieve admission line is connected with source nitrogen.
Preferably, the molecular sieve outlet pipe and gas receiving tank.
Preferably, it is respectively equipped with valve on the discharge pipe and feed pipe.
Preferably, the dehydration column 1, refrigeration interlayer 2, sieve 4, discharging ring flange 5, charging ring flange 6, molecular sieve air inlet
Pipeline 7, molecular sieve outlet pipe 8, discharge pipe 12 and feed pipe 15 material be stainless steel.
The utility model has simple structure and reasonable design, optimize technique, reduces cost, improve quality, can effectively solve
Certainly molecular sieve generates the advantages of heat causes EMC purity to decline with molecular sieve when dehydration greatly using preceding dust.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model.
Specific implementation mode
For a clearer understanding of the technical features, objectives and effects of the utility model, existing control description of the drawings
Specific embodiment of the present utility model, in the various figures identical label indicate identical component.To make simplified form, in each figure
Only schematically show with the relevant part of utility model, they do not represent its practical structures as product.
As shown in Figure 1, the utility model includes dehydration column 1 and the refrigeration interlayer 2 that is sleeved on outside dehydration column 1, dehydration column 1
Top be equipped with discharging ring flange 5, the bottom of dehydration column 1 is equipped with charging ring flange 6, and dehydration column 1 is internally provided with molecular sieve 3,
The top of 1 side of dehydration column is equipped with the molecular sieve admission line 7 with intake valve 9, and the lower part of 1 side of dehydration column is equipped with band air outlet valve
10 molecular sieve outlet pipe 8, refrigeration interlayer 2 be equipped with cooling liquid inlet 13 and cooling water outlet 14, cooling liquid inlet 13 with
The cooling liquid outlet of refrigeration machine 11 is connected, and cooling water outlet 14 is connected with the cooling water inlet of refrigeration machine 11；The discharging flange
The outside of disk 5 is equipped with discharge pipe 12, and the outside of charging ring flange 6 is equipped with feed pipe 15.The discharging ring flange 5 and charging
The inside of ring flange 6 is respectively arranged with sieve 4.The molecular sieve admission line 7 is connected with source nitrogen.The molecular sieve escape pipe
Road 8 and gas receiving tank 16.It is respectively equipped with valve 17 on the discharge pipe 12 and feed pipe 15.The dehydration column 1, refrigeration
Interlayer 2, sieve 4, discharging ring flange 5, charging ring flange 6, molecular sieve admission line 7, molecular sieve outlet pipe 8, discharge pipe
12 and the material of feed pipe 15 be stainless steel.
When using the utility model, so that nitrogen is passed through molecular sieve admission line 7 first and enter in dehydration column 1, and to operation
Preceding molecular sieve 3 is purged, and to achieve the purpose that remove gas in dust and the replacement dewatering column 1 in molecular sieve 3, is then made
Methyl ethyl carbonate enters dehydration column 1 by feed pipe 15, is taken off to methyl ethyl carbonate by molecular sieve 3 in dehydration column 1
Water, while refrigeration machine 11 is opened, the coolant liquid of refrigeration machine 11 is entered by the cooling liquid outlet and cooling liquid inlet 13 of refrigeration machine 11
The heat generated in dehydration is removed in refrigeration interlayer 2, coolant liquid becomes cooling water after absorbing heat, and cooling water passes through cooling
The cooling water inlet of water out 14 and refrigeration machine 11 returns to circularly cooling in refrigeration machine 11；Can effectively it be prevented by the way that sieve 4 is arranged
Only molecular sieve 3 falls off, and dewatered methyl ethyl carbonate is discharged by discharge pipe 12.It can effectively be set by above-mentioned setting
The gas that changes in dehydration column 1 and molecular sieve 3 is purged, improves molecular sieve 3 and cause EMC is muddy to ask greatly using preceding dust
Topic, and the decomposition that heat causes methyl ethyl carbonate is generated in 3 dehydration of molecular sieve, to influence the defect of product quality.
Tool of the series of detailed descriptions listed above only for the feasible embodiment of the utility model
Body illustrates that they are all without departing from made by the utility model skill spirit not to limit the scope of protection of the utility model
Equivalent implementations or change should be included within the scope of protection of this utility model.It needs in the description of the present invention,
It is noted that unless otherwise clearly defined and limited, term " being equipped with ", " installation " etc. shall be understood in a broad sense, for example, can
To be to be fixedly connected, it is integrally connected, may be a detachable connection；It can also be the connection inside two elements；Can be
It is connected directly, can also indirectly connected through an intermediary, for the ordinary skill in the art, it can be according to specific
Situation understands the concrete meaning of above-mentioned term in the present invention.Foregoing detailed description is only for the utility model
Feasible embodiment illustrates, they are all without departing from this practicality not to limit the scope of protection of the utility model
Equivalent implementations, change and transformation made by novel skill spirit should be included within the scope of protection of this utility model.
Claims (6)
- The dehydration device 1. a kind of methyl ethyl carbonate freezes, it is characterised in that：The refrigeration dehydration device includes dehydration column（1）And suit In dehydration column（1）External refrigeration interlayer（2）, dehydration column（1）Top be equipped with discharging ring flange（5）, dehydration column（1）Bottom Equipped with charging ring flange（6）, dehydration column（1）Be internally provided with molecular sieve（3）, dehydration column（1）The top of side is equipped with band air inlet Valve（9）Molecular sieve admission line（7）, dehydration column（1）The lower part of side is equipped with band air outlet valve（10）Molecular sieve outlet pipe （8）, freeze interlayer（2）It is equipped with cooling liquid inlet（13）And cooling water outlet（14）, cooling liquid inlet（13）With refrigeration machine （11）Cooling liquid outlet be connected, cooling water outlet（14）With refrigeration machine（11）Cooling water inlet be connected；The discharging flange Disk（5）Outside be equipped with discharge pipe（12）, feed ring flange（6）Outside be equipped with feed pipe（15）.
- The dehydration device 2. a kind of methyl ethyl carbonate according to claim 1 freezes, it is characterised in that：The discharging ring flange （5）With charging ring flange（6）Inside be respectively arranged with sieve（4）.
- The dehydration device 3. a kind of methyl ethyl carbonate according to claim 1 freezes, it is characterised in that：The molecular sieve air inlet Pipeline（7）It is connected with source nitrogen.
- The dehydration device 4. a kind of methyl ethyl carbonate according to claim 1 freezes, it is characterised in that：The molecular sieve outlet Pipeline（8）With gas receiving tank（16）.
- The dehydration device 5. a kind of methyl ethyl carbonate according to claim 1 freezes, it is characterised in that：The discharge pipe （12）And feed pipe（15）On be respectively equipped with valve（17）.
- The dehydration device 6. a kind of methyl ethyl carbonate according to claim 1 freezes, it is characterised in that：The dehydration column（1）、 Freeze interlayer（2）, sieve（4）, discharging ring flange（5）, charging ring flange（6）, molecular sieve admission line（7）, molecular sieve outlet Pipeline（8）, discharge pipe（12）And feed pipe（15）Material be stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721460434.5U CN207694305U (en) | 2017-11-03 | 2017-11-03 | A kind of methyl ethyl carbonate refrigeration dehydration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721460434.5U CN207694305U (en) | 2017-11-03 | 2017-11-03 | A kind of methyl ethyl carbonate refrigeration dehydration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207694305U true CN207694305U (en) | 2018-08-07 |
Family
ID=63022135
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721460434.5U Active CN207694305U (en) | 2017-11-03 | 2017-11-03 | A kind of methyl ethyl carbonate refrigeration dehydration device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207694305U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109187109A (en) * | 2018-10-12 | 2019-01-11 | 安徽兴锂新能源有限公司 | A kind of solvent dehydration/purificasystem system and its application method with novel sampling device |
| CN109368061A (en) * | 2018-10-12 | 2019-02-22 | 安徽兴锂新能源有限公司 | Head tank and its application method a kind of while that be dehydrated purification |
-
2017
- 2017-11-03 CN CN201721460434.5U patent/CN207694305U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109187109A (en) * | 2018-10-12 | 2019-01-11 | 安徽兴锂新能源有限公司 | A kind of solvent dehydration/purificasystem system and its application method with novel sampling device |
| CN109368061A (en) * | 2018-10-12 | 2019-02-22 | 安徽兴锂新能源有限公司 | Head tank and its application method a kind of while that be dehydrated purification |
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