CN207418634U - A kind of acetonitrile film filter - Google Patents
A kind of acetonitrile film filter Download PDFInfo
- Publication number
- CN207418634U CN207418634U CN201721502807.0U CN201721502807U CN207418634U CN 207418634 U CN207418634 U CN 207418634U CN 201721502807 U CN201721502807 U CN 201721502807U CN 207418634 U CN207418634 U CN 207418634U
- Authority
- CN
- China
- Prior art keywords
- membrane separation
- separation device
- vaporizer
- acetonitrile
- tank
- 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.)
- Expired - Fee Related
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Classifications
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- 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
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model is related to a kind of acetonitrile film filters, it includes distillation dehydration tower, the distillation dehydration tower is connected with adjusting tank, the adjusting tank is connected with vaporizer, the vaporizer is connected with membrane separation device, the membrane separation device is connected with rectifying column, and the membrane separation device is also associated with outlet pipe；The utility model has the advantages that rational in infrastructure, saving energy, use cost is low, is conducive to environmental protection.
Description
Technical field
The utility model belongs to chemical technology field, more particularly to a kind of acetonitrile film filter.
Background technology
In the production process of acetonitrile, the acetonitrile crude product water content that synthesizer comes out is for 40%, it is necessary to which acetonitrile crude product is made
Content is 99.9% anhydrous acetonitrile product, and currently used technological process is：The first acetonitrile crude product solution water content 40%,
Aqueous 17% acetonitrile water azeotropic mixture is steamed into, then spent glycol band aqueous extraction method distills, and the water content of acetonitrile is dropped to 1% or so,
The anhydrous acetonitrile that content is 99.9% finally is steamed into using rectifying column, the shortcomings that this process equipment is using ethylene glycol extraction water
Afterwards, it is necessary to be heated to 160 DEG C of dehydrations, high energy consumption containing water glycol used；And ethylene glycol is consumed, formation vinasse,
Pollute environment；Therefore it provides it is a kind of it is rational in infrastructure, save energy, use cost is low, is conducive to the acetonitrile membrane filtration of environmental protection
Device is necessary.
The content of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, and provide it is a kind of it is rational in infrastructure, save energy,
Use cost is low, is conducive to the acetonitrile film filter of environmental protection.
What the purpose of this utility model was realized in：A kind of acetonitrile film filter, it includes distillation dehydration tower, described
Distillation dehydration tower be connected with adjusting tank, the adjusting tank is connected with vaporizer, and the vaporizer is connected with UF membrane dress
It puts, the membrane separation device is connected with rectifying column, and the membrane separation device is also associated with outlet pipe.
The adjusting tank automatically adjusts tank for pH value.
The vaporizer is steam heating water bath type vaporizer.
The membrane separation device is PVC alloy ultrafiltration membrane membrane separation devices.
The distillation dehydration tower and adjust between tank, adjust between tank and vaporizer, vaporizer and membrane separation device it
Between, be attached respectively by pipeline between membrane separation device and rectifying column.
The rectifying column is plate distillation column or hypergravity rectifying column.
The beneficial effects of the utility model：The utility model uses distillation dehydration tower, in use, the second of synthesizer output
Water content in acetonitrile crude product is reduced to 17% by nitrile crude product to after distillation dehydration tower, then into tank is adjusted, adjusts tank
Aqueous 17% acetonitrile aqueous mixtures are adjusted into soda acid into neutrality, then into vaporizer, heating vaporization, water and acetonitrile are in gas phase
Into membrane separation device under state, water and acetonitrile are separated, the anhydrous acetonitrile of content 99.9% is finally steamed into using rectifying column；
The utility model has the advantages that rational in infrastructure, saving energy, use cost is low, is conducive to environmental protection.
Description of the drawings
Fig. 1 is a kind of structure diagram of acetonitrile film filter of the utility model.
Fig. 2 is the structure diagram of prior art acetonitrile filter device.
Specific embodiment
The utility model is described further below in conjunction with the accompanying drawings.
Embodiment 1
As shown in Figure 1, a kind of acetonitrile film filter, it includes distillation dehydration tower, and the distillation dehydration tower is connected with
Tank is adjusted, the adjusting tank is connected with vaporizer, and the vaporizer is connected with membrane separation device, the membrane separation device
Rectifying column is connected with, the membrane separation device is also associated with outlet pipe.
The utility model uses distillation dehydration tower, and in use, the acetonitrile crude product of synthesizer output is to by distillation dehydration
After tower, the water content in acetonitrile crude product is reduced to 17%, then into tank is adjusted, tank is adjusted and mixes aqueous 17% acetonitrile water
Object adjusts soda acid into neutrality, then into vaporizer, heating vaporization, water and acetonitrile under gas phase state into membrane separation device,
Water and acetonitrile are separated, the anhydrous acetonitrile of content 99.9% is finally steamed into using rectifying column；The utility model is closed with structure
Reason, saving energy, use cost is low, is conducive to the advantages of environmental protection.
Embodiment 2
As shown in Figure 1, a kind of acetonitrile film filter, it includes distillation dehydration tower, and the distillation dehydration tower is connected with
Tank is adjusted, the adjusting tank is connected with vaporizer, and the vaporizer is connected with membrane separation device, the membrane separation device
Rectifying column is connected with, the membrane separation device is also associated with outlet pipe.The adjusting tank automatically adjusts tank for pH value, described
Vaporizer for steam heating water bath type vaporizer, the membrane separation device is PVC alloy ultrafiltration membrane membrane separation devices, described
Distillation dehydration tower and adjust between tank, adjust between tank and vaporizer, between vaporizer and membrane separation device, membrane separation device
It is attached respectively by pipeline between rectifying column, the rectifying column is plate distillation column or hypergravity rectifying column.
The utility model uses distillation dehydration tower, and in use, the acetonitrile crude product of synthesizer output is to by distillation dehydration
After tower, the water content in acetonitrile crude product is reduced to 17%, then into tank is adjusted, tank is adjusted and mixes aqueous 17% acetonitrile water
Object adjusts soda acid into neutrality, then into vaporizer, heating vaporization, water and acetonitrile under gas phase state into membrane separation device,
Water and acetonitrile are separated, the anhydrous acetonitrile of content 99.9% is finally steamed into using rectifying column；The vaporizer of the utility model uses
Steam heating water bath type vaporizer, heat exchange efficiency height, longevity of service, it is compact-sized, be used conveniently and safely so that use cost
It reduces, saves energy；Using PVC alloy ultrafiltration membrane membrane separation devices, strainability is good, and service life is long, energy-saving and emission-reduction effect
Fruit is notable；The utility model compared with the prior art, need not consume ethylene glycol, will not form vinasse, will not pollute ring
Border；The utility model has the advantages that rational in infrastructure, saving energy, use cost is low, is conducive to environmental protection.
Claims (6)
1. a kind of acetonitrile film filter, it includes distillation dehydration tower, it is characterised in that：The distillation dehydration tower is connected with tune
Tank is saved, the adjusting tank is connected with vaporizer, and the vaporizer is connected with membrane separation device, and the membrane separation device connects
Rectifying column is connected to, the membrane separation device is also associated with outlet pipe.
2. a kind of acetonitrile film filter according to claim 1, it is characterised in that：The adjusting tank is automatic for pH value
Adjust tank.
3. a kind of acetonitrile film filter according to claim 1, it is characterised in that：The vaporizer heats for steam
Water bath type vaporizer.
4. a kind of acetonitrile film filter according to claim 1, it is characterised in that：The membrane separation device is PVC
Alloy ultrafiltration membrane membrane separation device.
5. a kind of acetonitrile film filter according to claim 1, it is characterised in that：The distillation dehydration tower and adjusting
Between tank, adjust between tank and vaporizer, lead to respectively between vaporizer and membrane separation device, between membrane separation device and rectifying column
Piping is attached.
6. a kind of acetonitrile film filter according to claim 1, it is characterised in that：The rectifying column is board-like rectifying
Tower or hypergravity rectifying column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721502807.0U CN207418634U (en) | 2017-11-13 | 2017-11-13 | A kind of acetonitrile film filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721502807.0U CN207418634U (en) | 2017-11-13 | 2017-11-13 | A kind of acetonitrile film filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207418634U true CN207418634U (en) | 2018-05-29 |
Family
ID=62305750
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721502807.0U Expired - Fee Related CN207418634U (en) | 2017-11-13 | 2017-11-13 | A kind of acetonitrile film filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207418634U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112812038A (en) * | 2020-12-30 | 2021-05-18 | 西安瑞联新材料股份有限公司 | Refining process of industrial acetonitrile-containing wastewater |
| CN114956935A (en) * | 2022-06-09 | 2022-08-30 | 南京佳华工程技术有限公司 | Coupling deep dehydration method and system for electronic-grade water-containing organic matters |
-
2017
- 2017-11-13 CN CN201721502807.0U patent/CN207418634U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112812038A (en) * | 2020-12-30 | 2021-05-18 | 西安瑞联新材料股份有限公司 | Refining process of industrial acetonitrile-containing wastewater |
| CN114956935A (en) * | 2022-06-09 | 2022-08-30 | 南京佳华工程技术有限公司 | Coupling deep dehydration method and system for electronic-grade water-containing organic matters |
| CN114956935B (en) * | 2022-06-09 | 2024-03-26 | 南京佳华科技股份有限公司 | Electronic-grade water-containing organic matter coupling deep dehydration method and system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180529 Termination date: 20181113 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |