CN207987067U - A kind of catalyst removal equipment of methyl ethyl carbonate and diethyl carbonate coproduction - Google Patents
A kind of catalyst removal equipment of methyl ethyl carbonate and diethyl carbonate coproduction Download PDFInfo
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- CN207987067U CN207987067U CN201820043490.7U CN201820043490U CN207987067U CN 207987067 U CN207987067 U CN 207987067U CN 201820043490 U CN201820043490 U CN 201820043490U CN 207987067 U CN207987067 U CN 207987067U
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- accurate filter
- feed
- thin film
- film evaporator
- surge tank
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Abstract
The utility model provides a kind of catalyst removal equipment of methyl ethyl carbonate and diethyl carbonate coproduction, including：Accurate filter feed surge tank, accurate filter, filtrate tank, thin film evaporator, thin film evaporator gas phase mouth condenser and exquisite system feed surge tank；Catalyst removal device reasonable design in the utility model can realize continuous feed, catalyst separation process, can thoroughly remove the catalyst in material, solve the problems, such as that material carries catalyst and refining system rectifying tower packing, reboiler is caused to block.
Description
Technical field
The utility model is related to methyl ethyl carbonate and diethyl carbonate production technical field more particularly to a kind of methyl ethyl carbonates
The catalyst removal equipment of ester and diethyl carbonate coproduction.
Background technology
Methyl ethyl carbonate and diethyl carbonate are the chemical products of the high added value of rising in recent years, are that battery electrolyte is molten
The main component of agent can improve the performance of battery, such as improve battery energy density, increase discharge capability, improve to use and stablize
Property and safety.
The production of industrial methyl ethyl carbonate and diethyl carbonate is using dimethyl carbonate and ethyl alcohol as raw material at present, sodium methoxide
For catalyst, after sodium methoxide is catalyzed reaction in reactive distillation column, it is discharged from reactive distillation column tower reactor, it will by accurate filter
Sodium methoxide in material filters out, and material is temporary to filtrate tank, but since reactive distillation column tower reactor contains a small amount of ethyl alcohol, and first
Sodium alkoxide is dissolved in ethyl alcohol, has a small amount of sodium methoxide and takes filtrate tank to by material, filtrate tank material enters methyl ethyl carbonate and carbonic acid two
The refining system of ethyl ester production system easily causes refining system rectifying tower packing, reboiler blocks in material subtractive process.
Utility model content
The utility model intends to solve the technical problem by providing the catalysis of a kind of methyl ethyl carbonate and diethyl carbonate coproduction
Agent removes equipment, and catalyst removal equipment provided by the present application can remove the catalyst in material.
In view of this, this application provides the catalyst removal equipment of a kind of methyl ethyl carbonate and diethyl carbonate coproduction,
Including：Accurate filter feed surge tank, accurate filter, filtrate tank, thin film evaporator, thin film evaporator gas phase mouth condenser
With exquisite system feed surge tank；
Methyl ethyl carbonate and the reactor discharge end of diethyl carbonate production system and the accurate filter feed surge
The feed end of tank is connected；
The discharge end of the accurate filter feed surge tank is connected with the feed end of the accurate filter；
The discharge end of the accurate filter is connected with the feed end of the filtrate tank；
The discharge end of the filtrate tank is connected with the feed end of the thin film evaporator；
The gas phase discharge end of the thin film evaporator is disposed with condenser and refining system feed surge tank, and described
Surge tank is connected with the refining system entrance of methyl ethyl carbonate and diethyl carbonate production system.
Preferably, the feed end phase of the liquid phase discharge end of the thin film evaporator and the accurate filter feed surge tank
Even.
Preferably, the accurate filter is connected with high-purity high pressure nitrogen equipment.
Preferably, the thin film evaporator top is connected with high steam equipment.
Preferably, be provided between the accurate filter feed surge tank and the accurate filter accurate filter into
Material pump.
Preferably, thin film evaporator feed pump is provided between the filtrate tank and the thin film evaporator.
Preferably, the refined system of the refining system feed surge tank and methyl ethyl carbonate and diethyl carbonate production system
Refining system feed pump is provided between system.
This application provides the catalyst removal equipment of a kind of methyl ethyl carbonate and diethyl carbonate coproduction comprising：Essence
Close filter feed surge tank, accurate filter, filtrate tank, thin film evaporator, thin film evaporator gas phase mouth condenser, accurate system
System feed surge tank and refining system feed pump；Methyl ethyl carbonate and the catalyst of diethyl carbonate production system pass through with methanol
The accurate filter of setting can remove 90%~95% catalyst, and the catalyst of filtrate entrainment 5%~10% passes through setting again
Thin film evaporator realize catalyst removing；Equipment provided by the utility model can realize continuous feed, catalyst as a result,
The process of separation can thoroughly remove the catalyst in material, solve material and carry catalyst and refining system rectifying column is caused to fill out
The problem of material, reboiler block.Further, the thin film evaporator of the application also connects with the accurate filter feed surge tank
It connects, secondary filter can be carried out by not removing clean catalyst in feed liquid, further complete Removal of catalyst.
Description of the drawings
Fig. 1 is the structure of catalyst removal equipment in methyl ethyl carbonate provided by the utility model and diethyl carbonate production
Schematic diagram.
Specific implementation mode
For a further understanding of the utility model, the utility model preferred embodiment is retouched with reference to embodiment
It states, but it is to be understood that these descriptions are only the feature and advantage of further explanation the utility model, rather than to this practicality
The limitation of novel claim.
It is not thorough for reactive distillation column Removal of catalyst in prior art methyl ethyl carbonate and diethyl carbonate production system
Bottom easily causes refining system rectifying tower packing, the problem of reboiler blocks, the utility model provide a kind of methyl ethyl carbonate and
The catalyst removal equipment of diethyl carbonate coproduction, the equipment are set to the anti-of methyl ethyl carbonate and diethyl carbonate production system
It answers between device and refining system, by the way that ultrafilter and thin film evaporator is arranged, realizes the complete removing of catalyst.Specifically
, the catalyst removal equipment of methyl ethyl carbonate and diethyl carbonate coproduction provided by the present application is as shown in Figure 1,1 be essence in Fig. 1
Close filter feed surge tank, 2 be accurate filter feed pump, and 3 be accurate filter, and 4 be accurate filter filtrate tank, and 5 are
Thin film evaporator feed pump, 6 be thin film evaporator, and 7 be thin film evaporator gas phase mouth condenser, and 8 buffer for refining system feed liquor
Tank, 9 be refining system feed pump.Specifically, the methyl ethyl carbonate and the catalyst removal equipment of diethyl carbonate coproduction tool
Body is：
The feed end of the accurate filter feed surge tank and methyl ethyl carbonate and diethyl carbonate production system it is anti-
Device discharge end is answered to be connected；
The feed end of the accurate filter is connected with the discharge end of the accurate filter feed surge tank；
The feed end of the filtrate tank is connected with the discharge end of the accurate filter；
The feed end of the thin film evaporator is connected with the discharge end of the filtrate tank；
The gas phase discharge port of the thin film evaporator is disposed with condenser and refining system feed surge tank, and described
Surge tank is connected with the refining system entrance of methyl ethyl carbonate and diethyl carbonate production system.
In catalyst removal equipment provided by the present application, the accurate filter passes through accurate filter feed surge tank
It is connect with the reactor bottom end of methyl ethyl carbonate and diethyl carbonate production system；The feed end of the thin film evaporator with it is described
The filtrate tank of accurate filter low side is connected, and the thin film evaporator gas phase discharge port is disposed with gas phase mouth condenser and essence
System feeding surge tank processed, and pass through the essence of refining system feed surge tank and methyl ethyl carbonate and diethyl carbonate production system
System connection processed.
In above-mentioned catalyst removal system, the accurate filter, the accurate filter feed surge tank, filtrate
Tank, thin film evaporator, gas phase mouth condenser and refining system feed surge tank army are equipment well known to those skilled in the art, right
This application is not particularly limited.
In a specific embodiment, the thin film evaporator bottom end is connect with accurate filter feed surge tank, with reality
The secondary filter of non-Removal of catalyst in existing feed liquid.
In certain specific embodiments, in order to realize material feed liquor controllability, the accurate filter feed surge
Accurate filter feed pump is provided between tank and the accurate filter；Equally can thin film evaporator and the filtrate tank it
Between be provided with thin film evaporator feed pump；The refining system feed surge tank and methyl ethyl carbonate and diethyl carbonate production system
It is provided with feed pump between the refining system of system.
In certain specific embodiments, the accurate filter is connected with high-purity high pressure nitrogen equipment, the thin film evaporation
Device top is connected with high steam.
Realize that the detailed process of catalyst removal is using the equipment of the application：
Accurate filter feed surge tank is connect with the reactor bottom end of methyl ethyl carbonate and diethyl carbonate production system,
Material is connect by accurate filter feed pump with accurate filter, and 90%~95% catalyst is removed by accurate filter,
The catalyst is sodium methoxide, and filtrate carries 5%~10% catalyst secretly and enters accurate filter filtrate tank, fed through thin film evaporator
Pump is delivered to thin film evaporator, after thin film evaporator Removal of catalyst, without catalyst, material in thin film evaporator gaseous phase materials
Enter refining system feed surge tank after the condensation of thin film evaporator gas phase mouth condenser, is delivered to by refining system feed pump
The refining system of methyl ethyl carbonate and diethyl carbonate production system；Further, contain in the material of thin film evaporator bottom end
50%~60% catalyst returns to accurate filter feed surge tank, carries out second and filters.
For a further understanding of the utility model, with reference to embodiment to methyl ethyl carbonate provided by the utility model and
The catalyst removal equipment of diethyl carbonate coproduction is described in detail, and the scope of protection of the utility model is not by following embodiment
Limitation.
Embodiment 1
The catalyst removal equipment of methyl ethyl carbonate and diethyl carbonate production system includes：Accurate filter feed surge
Tank, accurate filter, filtrate tank, thin film evaporator, thin film evaporator gas phase mouth condenser and exquisite system feed surge tank；Essence
The reactor bottom end that close filter passes through accurate filter feed surge tank and methyl ethyl carbonate and diethyl carbonate production system
Connection, thin film evaporator feed end are connected with accurate filter bottom end filtrate tank, and thin film evaporator gas phase discharge port is equipped with condensation
Device and surge tank are connect with the refining system of methyl ethyl carbonate and diethyl carbonate production system.
Embodiment 2
It is identical as the catalyst removal equipment of embodiment, difference lies in：Thin film evaporator bottom end is fed with accurate filter
Surge tank is connected.
The explanation of above example is only intended to the method and its core concept that help understands the utility model.It should refer to
Go out, it for those skilled in the art, without departing from the principle of this utility model, can also be to this
Some improvement and modification can also be carried out for utility model, these improvement and modification also fall into the protection domain of the utility model claims
It is interior.
The foregoing description of the disclosed embodiments enables professional and technical personnel in the field to realize or use this practicality new
Type.Various modifications to these embodiments will be apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest range consistent with features of novelty.
Claims (7)
1. the catalyst removal equipment of a kind of methyl ethyl carbonate and diethyl carbonate coproduction, including：Accurate filter feed surge
Tank, accurate filter, filtrate tank, thin film evaporator, thin film evaporator gas phase mouth condenser and exquisite system feed surge tank；
Methyl ethyl carbonate and the reactor discharge end of diethyl carbonate production system and the accurate filter feed surge tank
Feed end is connected；
The discharge end of the accurate filter feed surge tank is connected with the feed end of the accurate filter；
The discharge end of the accurate filter is connected with the feed end of the filtrate tank；
The discharge end of the filtrate tank is connected with the feed end of the thin film evaporator；
The gas phase discharge end of the thin film evaporator is disposed with condenser and refining system feed surge tank, and the buffering
Tank is connected with the refining system entrance of methyl ethyl carbonate and diethyl carbonate production system.
2. catalyst removal equipment according to claim 1, which is characterized in that the liquid phase discharge end of the thin film evaporator
It is connected with the feed end of the accurate filter feed surge tank.
3. catalyst removal equipment according to claim 1, which is characterized in that the accurate filter is connected with high-purity high
Press nitrogen gas preparing.
4. catalyst removal equipment according to claim 1, which is characterized in that the thin film evaporator top is connected with height
Press steaming plant.
5. catalyst removal equipment according to claim 1, which is characterized in that the accurate filter feed surge tank with
Accurate filter feed pump is provided between the accurate filter.
6. catalyst removal equipment according to claim 1, which is characterized in that the filtrate tank and the thin film evaporator
Between be provided with thin film evaporator feed pump.
7. catalyst removal equipment according to claim 1, which is characterized in that the refining system feed surge tank and carbon
Refining system feed pump is provided between sour methyl ethyl ester and the refining system of diethyl carbonate production system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820043490.7U CN207987067U (en) | 2018-01-10 | 2018-01-10 | A kind of catalyst removal equipment of methyl ethyl carbonate and diethyl carbonate coproduction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820043490.7U CN207987067U (en) | 2018-01-10 | 2018-01-10 | A kind of catalyst removal equipment of methyl ethyl carbonate and diethyl carbonate coproduction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207987067U true CN207987067U (en) | 2018-10-19 |
Family
ID=63819133
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820043490.7U Active CN207987067U (en) | 2018-01-10 | 2018-01-10 | A kind of catalyst removal equipment of methyl ethyl carbonate and diethyl carbonate coproduction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207987067U (en) |
-
2018
- 2018-01-10 CN CN201820043490.7U patent/CN207987067U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 257000 23 Zoucheng Road, Shengli Industrial Park, Dongying District, Dongying City, Shandong Province Patentee after: Shandong Haike Xinyuan material technology Co., Ltd Address before: 257000 No. 23, Zoucheng Road, Dongying District, Shandong, Dongying Patentee before: DONGYING HI-TECH SPRING CHEMICAL INDUSTRY Co.,Ltd. |
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