CN207012590U - A kind of dehydration of organic solvent system - Google Patents
A kind of dehydration of organic solvent system Download PDFInfo
- Publication number
- CN207012590U CN207012590U CN201720651496.8U CN201720651496U CN207012590U CN 207012590 U CN207012590 U CN 207012590U CN 201720651496 U CN201720651496 U CN 201720651496U CN 207012590 U CN207012590 U CN 207012590U
- Authority
- CN
- China
- Prior art keywords
- outlet
- dehydration
- gas compressor
- rectifying column
- molecular sieve
- 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
Links
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model discloses a kind of dehydration of organic solvent system, including first rectifying column, gas compressor, molecular sieve dehydration module, condenser, Second distillation column, the first rectifying column sets charging aperture, tower top sets air exit, the gas compressor inlet porting, outlet, the molecular sieve dehydration module inlet porting, first outlet, second outlet, the condenser inlet porting, outlet, the first rectifying column air exit connects gas compressor entrance, the gas compressor outlet connection molecule sieve dehydration module entrance, the molecular sieve dehydration module first outlet connects condenser inlet, the molecular sieve dehydration module second outlet connects Second distillation column charging aperture.The utility model introduces gas compressor in rectifying column exhaust outlet, the organic vapor to be drained off discharged to rectifying column carries out controllable compression, pressure necessary to solving rear portion molecular screen membrane dehydration, the reasonable pressure required by rectifying column is in turn ensure that, so that it is guaranteed that the molecular screen membrane dehydration technique of efficient energy-saving being capable of extensive use in dehydration of organic solvent.
Description
Technical field
It the utility model is related to separation technology field, and in particular to a kind of dehydration of organic solvent system.
Background technology
The organic solvent of anhydrous level in the fields such as petrochemical industry, fine chemistry industry, medication chemistry, daily-use chemical industry and new energy
It is essential, therefore water a small amount of in organic solvent or micro is separated, is above-mentioned so as to obtain anhydrous level organic solvent
One of most important and most common unit process in field.When the mixture of organic solvent and water reaches nearly boiling point, constant boiling point
When, due to the restriction of azeotropic balance, the further separation of organic solvent and water can not be realized using simple distillating method, tradition
Technique be using azeotropic distillation, extracting rectifying, etc. technology water therein is separated, and then obtain the organic molten of anhydrous level
Agent, these technologies are required for completely vaporizing material system to be drained off, and the latent heat of phase change that it is consumed is huge, and high energy consumption causes to transport
Row cost remains high.At present, molecular screen membrane evaporation has obvious energy-conservation and economic advantages, by extensive use.
However, molecular screen membrane evaporation needs the pressure required for rectifying tower section provides molecular screen membrane dehydration, otherwise
Molecular screen membrane dehydration is not realized, still, rectifying column pressure is improved and causes leading portion rectifying tower temperature rise much higher, therefore for temperature-sensitive
Material can not be just dehydrated using this method, meanwhile, tower pressure is improved, for the organic matter very low to flash-point, considerable safety be present
Hidden danger.
Utility model content
The purpose of this utility model is overcome the deficiencies in the prior art, there is provided a kind of dehydration of organic solvent system, in essence
Evaporate tower exhaust outlet and introduce gas compressor, the organic vapor to be drained off discharged to rectifying column carries out controllable compression, that is, solves
Pressure necessary to rear portion molecular screen membrane of having determined is dehydrated, in turn ensure that the reasonable pressure required by rectifying column, so that it is guaranteed that energy-conservation
Efficient molecular screen membrane dehydration technique being capable of extensive use in dehydration of organic solvent.
The purpose of this utility model is achieved through the following technical solutions：A kind of dehydration of organic solvent system, including
First rectifying column, gas compressor, molecular sieve dehydration module, condenser, Second distillation column, the first rectifying column set charging
Mouthful, tower top air exit, the gas compressor inlet porting, outlet, the molecular sieve dehydration module inlet porting, the are set
One outlet, second outlet, the condenser inlet porting, outlet, the first rectifying column air exit connect gas compressor
Entrance, the gas compressor outlet connection molecule sieve dehydration module entrance, the molecular sieve dehydration module first outlet connection
Condenser inlet, the molecular sieve dehydration module second outlet connect Second distillation column charging aperture.
Preferably, in addition to superheater, the superheater are provided with entrance, outlet, and the outlet of gas compressor is in overheat
Device entrance connects, and superheater outlet is connected with molecular sieve dehydration module entrance.
The beneficial effects of the utility model are：
(1) gas compressor is introduced in rectifying column exhaust outlet, solves pressure necessary to molecular screen membrane dehydration；
(2) it ensure that the reasonable pressure required by rectifying column；
(3) avoid the tower temperature caused by improving rectifying column pressure to raise, heat-sensitive materials can not be used molecular screen membrane dehydration skill
Art is dehydrated；
(4) organic matter low to flash-point, avoid because improving major safety risks caused by rectifying column pressure；
(5) ensure that the molecular screen membrane dehydration technique of efficient energy-saving being capable of extensive use in dehydration of organic solvent.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, before creative labor is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structure chart of embodiment 1 of the present utility model；
Fig. 2 is the structure chart of embodiment 2 of the present utility model；
In Fig. 1,1- first rectifying columns, 2- gas compressors, 3- molecular sieve dehydration modules, 4- condensers, the rectifying of 5- second
Tower, 11- first rectifying column charging apertures, 12- first rectifying column exhaust outlets, 21- gas compressor entrances, 22- gas compressors go out
Mouthful, 31- molecular sieve dehydration module entrances, 32- molecular sieve dehydration module first outlets, 33- molecular sieve dehydration module second outlets,
41- condenser inlets, 42- condensator outlets, 51- Second distillation column charging apertures；
In Fig. 2,1- first rectifying columns, 2- gas compressors, 3- molecular sieve dehydration modules, 4- condensers, the rectifying of 5- second
Tower, 6- superheaters, 11- first rectifying column charging apertures, 12- first rectifying column exhaust outlets, 21- gas compressor entrances, 22- gases
Compressor outlet, 31- molecular sieve dehydration module entrances, 32- molecular sieve dehydration module first outlets, 33- molecular sieve dehydration modules
Second outlet, 41- condenser inlets, 42- condensator outlets, 51- Second distillation column charging apertures, 61- superheater entrances, 62- mistakes
Hot device outlet.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Embodiment 1：
As shown in figure 1, a kind of dehydration of organic solvent system, including first rectifying column 1, gas compressor 2, molecular sieve dehydration
Module 3, condenser 4, Second distillation column 5, the first rectifying column 1 sets charging aperture 11, tower top to set air exit 12, described
The inlet porting 21 of gas compressor 2, outlet 22, the inlet porting 31 of molecular sieve dehydration module 3, first outlet 32, second go out
Mouth 33, the inlet porting 41 of condenser 4, outlet 42, the first rectifying column air exit 12 connect gas compressor entrance
21, the gas compressor exports 22 connection molecules sieve dehydration module entrance 31, the molecular sieve dehydration module first outlet 32
Condenser inlet 41 is connected, the molecular sieve dehydration module second outlet 32 connects Second distillation column charging aperture 51.
Organic solvent is subjected to rectifying by the charging aperture 11 of first rectifying column 1, rectifying finishes laggard first rectifying column 1 excessively
Tower top sets air exit 12 to discharge, and into the entrance 21 of gas compressor 2, carries out controllable gas compression, the gas through overcompression
Body is discharged by the outlet 22 of gas compressor 2, the entrance 31 set into molecular sieve dehydration module 3, is carried out molecular screen membrane and is taken off
Water process, if the gas that component is single, after dewater treatment, by the first outlet 32 of the setting of molecular sieve dehydration module 3
Discharge, is directly entered the entrance 41 of condenser 4, after condensation process, finished product is directly discharged from the outlet 42 of condenser 4；If
It is the complicated gas of component list, after dewater treatment, the second outlet 33 set by molecular sieve dehydration module 3 is discharged, and is entered
Enter the charging aperture 51 of Second distillation column 5, further rectifying.
Embodiment 2：
As different from Example 1, dehydration of organic solvent system also includes superheater 6 to the present embodiment, and the superheater 6 is set
Entrance 61, outlet 62 are equipped with, the outlet 22 of gas compressor connects in superheater entrance 61, and superheater outlet 62 takes off with molecular sieve
Water module entrance 31 is connected.
The utility model provides a kind of organic solvent, introduces gas compressor in rectifying column exhaust outlet, solves molecule
Pressure necessary to sieve membrane dehydration；It ensure that the reasonable pressure required by rectifying column；Avoid before improving caused by rectifying column pressure
Duan Tawen is raised, and heat-sensitive materials can not be dehydrated using molecular screen membrane dehydration technique；The organic matter low to flash-point, is avoided
Because improving major safety risks caused by rectifying column pressure；Ensure that the molecular screen membrane dehydration technique of efficient energy-saving takes off in organic solvent
Being capable of extensive use in water.
Embodiment described above only expresses specific embodiment of the present utility model, and its description is more specific and detailed,
But therefore it can not be interpreted as the limitation to the utility model patent scope.It should be pointed out that for the common of this area
For technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these all belong to
In the scope of protection of the utility model.
Claims (2)
1. a kind of dehydration of organic solvent system, it is characterised in that including first rectifying column, gas compressor, molecular sieve dehydration mould
Group, condenser, Second distillation column, the first rectifying column set charging aperture, tower top to set air exit, the gas compressor
Inlet porting, outlet, the molecular sieve dehydration module inlet porting, first outlet, second outlet, the condenser are set into
Mouth, outlet, the first rectifying column air exit connect gas compressor entrance, the gas compressor outlet connection molecule sieve
Module entrance is dehydrated, the molecular sieve dehydration module first outlet connects condenser inlet, the molecular sieve dehydration module second
Outlet connection Second distillation column charging aperture.
2. a kind of dehydration of organic solvent system according to claim 1, it is characterised in that also including superheater, the mistake
Hot device is provided with entrance, outlet, and the outlet of gas compressor connects in superheater entrance, superheater outlet and molecular sieve dehydration mould
Group entrance is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720651496.8U CN207012590U (en) | 2017-06-07 | 2017-06-07 | A kind of dehydration of organic solvent system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720651496.8U CN207012590U (en) | 2017-06-07 | 2017-06-07 | A kind of dehydration of organic solvent system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207012590U true CN207012590U (en) | 2018-02-16 |
Family
ID=61484746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720651496.8U Expired - Fee Related CN207012590U (en) | 2017-06-07 | 2017-06-07 | A kind of dehydration of organic solvent system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207012590U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110180327A (en) * | 2019-05-13 | 2019-08-30 | 天津大学 | A kind of method and system of the tail gas resource utilization containing organic amine |
| CN111170906A (en) * | 2020-02-25 | 2020-05-19 | 北京凯瑞英科技有限公司 | Molecular sieve dehydration system for dimethyl sulfoxide and dehydration method thereof |
-
2017
- 2017-06-07 CN CN201720651496.8U patent/CN207012590U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110180327A (en) * | 2019-05-13 | 2019-08-30 | 天津大学 | A kind of method and system of the tail gas resource utilization containing organic amine |
| CN111170906A (en) * | 2020-02-25 | 2020-05-19 | 北京凯瑞英科技有限公司 | Molecular sieve dehydration system for dimethyl sulfoxide and dehydration method thereof |
| CN111170906B (en) * | 2020-02-25 | 2022-07-12 | 北京凯瑞英科技有限公司 | Molecular sieve dehydration system for dimethyl sulfoxide and dehydration method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105418447B (en) | A kind of DMAC rectifier units and process | |
| CN103566613A (en) | Rectification device and process for low-concentration organic solvent aqueous liquor recycling heat pump | |
| CN106431924B (en) | A kind of power-economizing method of separating formic methyl esters-methanol-water mixtures | |
| CN102675093A (en) | Process for synthesizing n-butyl acetate | |
| CN207012590U (en) | A kind of dehydration of organic solvent system | |
| CN105327518A (en) | Pentanediamine concentration system and method thereof | |
| CN109336803A (en) | A kind of method and its system of NMP devil liquor recovery production super-clean high-purity solvent | |
| CN103524478B (en) | Device and method for shortening ketalation time in ibuprofen synthesis process | |
| CN103214367B (en) | Continuous production device and method for isopropyl acetate | |
| CN103910605B (en) | The technique of a kind of infiltration evaporation system and refined biological propyl carbinol thereof | |
| CN105949026B (en) | A kind of hybrid pentane precision separator | |
| CN104341268B (en) | A kind of alcohol fuel continuous dehydration method | |
| CN103833537B (en) | Absorption and refining method for high-purity methylacrolein | |
| CN206295623U (en) | A kind of ethanol distillation purifying plant | |
| CN105669445A (en) | Production technology of ethyl acetate | |
| CN102764559B (en) | Combined technique of separating and recycling VOCS (volatile organic compounds) from industrial waste gas by adsorption-desorption-rectification-pervaporation | |
| CN106316792B (en) | The device and method of methanol and ethyl alcohol is recycled from stalk sugar hydrocrackates | |
| CN106831336B (en) | Ethyl alcohol and the recycling of hydrazine hydrate mixed liquor and circulation utilization method in a kind of production of pyraclostrobin | |
| WO2021017620A1 (en) | Device and method for continuously extracting and drying butenone | |
| CN209378483U (en) | A kind of energy-saving rectifying tower | |
| CN209522828U (en) | Natual gas dehydrate unit | |
| CN207734632U (en) | Device for recovering tail gas | |
| CN202898272U (en) | Device for purifying propyl alcohol | |
| CN108379873B (en) | Device for recovering ethanol in traditional Chinese medicine extraction process | |
| CN207537375U (en) | A kind of cyanoacetic acid isolates and purifies device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180216 Termination date: 20200607 |