CN104083884B - A kind of vacuum system for thin film evaporation and rectification coupling apparatus - Google Patents
A kind of vacuum system for thin film evaporation and rectification coupling apparatus Download PDFInfo
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- CN104083884B CN104083884B CN201310108517.8A CN201310108517A CN104083884B CN 104083884 B CN104083884 B CN 104083884B CN 201310108517 A CN201310108517 A CN 201310108517A CN 104083884 B CN104083884 B CN 104083884B
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- thin film
- film evaporation
- condenser
- coupling apparatus
- vacuum system
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Abstract
The invention discloses a kind of vacuum system for thin film evaporation and rectification coupling apparatus, including vavuum pump, vavuum pump one end connects thin film evaporation by pipeline and couples change system with rectifying, the other end connects receiver by pipeline, thin film evaporation is coupled with rectifying and surge tank is provided between change system and vavuum pump, and receiver is provided with condenser.This vacuum system connection thin film evaporation couples change system with rectifying, after a small amount of moisture and volatile component are extracted out by the spiral vavuum pump of dry method, cool down through cooler, the impact of micro moisture or insoluble material to system vacuum can be avoided completely, simultaneously, the recovery of volatile component is realized to greatest extent can, it is ensured that thin film evaporation couples the vacuum stability of change system with rectifying.
Description
Technical field
The present invention relates to vacuum system, refers in particular to be related to a kind of vacuum system for coupling equipment for thin film evaporation with rectifying
System.
Background technology
The new separator of molecular clock and the coupling of conventional vacuum distillation technology is in natural products, thermal sensitivity fine chemistry
The aspects such as product have widely to be applied, for example, produce purifying EPA, DPA and DHA in seal oil, cinnamic acid and cinnamyl acetate
Separate etc., can all use molecular clock and conventional vacuum distillation technology coupling device.
At present, the vacuum pump set great majority that the system is adopted are blade series connection of pumps Roots vaccum pumps, the vacuum system it is excellent
Point can be that the vacuum of system is evacuated to 0.1Pa, but, the shortcoming of this vavuum pump is moisture or other volatile component things
Matter is entered in pumping fluid, can be affected the emulsification of pumping fluid, be greatly reduced the vacuum of system, but also can affect vacuum
The stability of pump, normal operation and service life.
Application No. 201320122760.0, it is entitled《A kind of thin film evaporation couples change system with rectifying》China it is real
The change system that a kind of thin film evaporation is coupled with rectifying is disclosed with new patent.A kind of thin film evaporation couples equipment system with rectifying
System, including the first film evaporimeter, the second thin film evaporator, the 3rd thin film evaporator, first rectifying column and Second distillation column；Its
In, the top connection first rectifying column of the first film evaporimeter, the bottom connection Second distillation column of the first film evaporimeter；First
The bottom of towe of rectifying column connects the second thin film evaporator, and the bottom of towe of Second distillation column connects the 3rd thin film evaporator；First rectifying column
Tower top connect the first condenser, the first condenser reconnect first rectifying column formed backflow, the first condenser connection first store up
Tank；The tower top of Second distillation column connects the second condenser, and the second condenser reconnects Second distillation column and forms backflow, the second condensation
Device connects the second storage tank；Second thin film evaporator bottom of towe connects the 3rd storage tank；3rd thin film evaporator bottom of towe connects the 4th storage tank.
The tower top connection raw material storage tank of the first film evaporimeter, raw material storage tank connection feed pump.The first film evaporimeter with
Spinner flowmeter is provided between raw material storage tank.The first water pump is provided between second thin film evaporator and the 3rd storage tank；It is described
The second water pump is provided between the first film evaporimeter and Second distillation column；Set between 3rd thin film evaporator and the 4th storage tank
There is the 3rd water pump.The first rectifying column, the first condenser, the first storage tank, the second thin film evaporator, the first water pump and the 3rd storage
Tank is connected with vacuum system by pipeline；The Second distillation column, the second condenser, the 3rd thin film evaporator, the second storage tank,
Three water pumps and the 4th storage tank are connected with vacuum system by pipeline.Surge tank is additionally provided with, pipeline first connects surge tank and reconnects very
Empty set is united.The first film evaporimeter, the second thin film evaporator and the 3rd thin film evaporator are by charging evaporimeter and rectifying
Tower reboiler is constituted.Above-mentioned change system vacuum is evacuated to atmospheric pressure for 200-1300Pa by the vacuum system.
The content of the invention
It is an object of the invention to overcome the deficiencies in the prior art, there is provided a kind of vacuum system, the vacuum system can be effective
Improve molecular clock and conventional vacuum rectifying couples the vacuum stability of change system, and ensure the distillation of the coupling change system
Efficiency and quality.
To achieve these goals, present invention employs following technical scheme：
A kind of vacuum system for being coupled change system for thin film evaporation with rectifying, including vavuum pump, vavuum pump one end are led to
Piping connection thin film evaporation couples change system with rectifying, and the other end connects receiver, thin film evaporation and rectifying by pipeline
Surge tank is provided between coupling change system and vavuum pump, receiver is provided with condenser.The present invention is in coupling change system
And between vavuum pump, increasing by a surge tank, surge tank is mainly for separating of moisture contained in vacuum blending ingredients gas and boiling point
Higher component.Surge tank also avoids moisture and volatile liquid from being pumped through the spiral vavuum pump of dry method, is effectively protected this
Pump.
In the above-mentioned vacuum system for coupling change system with rectifying for thin film evaporation, described vavuum pump is dry method spiral shell
Rotating vavuum pump.Using the spiral vavuum pump of dry method, it is to avoid Jing often changes pumping fluid, prevents moisture and volatile materials quilt
Bring pumping fluid into and affect the stability of vacuum system, improve the stability and service life of vavuum pump, further optimize
The quality of coupling change system.The spiral vavuum pump of dry method can also improve the vacuum of whole system.
In the above-mentioned vacuum system for coupling change system with rectifying for thin film evaporation, the condenser and receiver are equal
For glass material.
In the above-mentioned vacuum system for coupling change system with rectifying for thin film evaporation, the pressure of the vacuum system is
5Pa-2000Pa。
In the above-mentioned vacuum system for coupling change system with rectifying for thin film evaporation, the thin film evaporation and rectifying coupling
Close change system and be preferably Application No. 201320122760.0, it is entitled《A kind of thin film evaporation couples change system with rectifying》
Chinese utility model patent thin film evaporation required for protection couple change system with rectifying.
In the above-mentioned vacuum system for coupling change system with rectifying for thin film evaporation, the top of the condenser is spacious
Opening structure, is connected with air.For the light component in the blending ingredients extracted out, by lacking for failing to cool down completely in the condenser
Amount volatile component is drained in air.Condenser is mainly used in cooling gas and ethereal oil steam, after cooling, moisture and volatilization
Property oil vapour is recycled to receiver.
In the above-mentioned vacuum system for change system being coupled with rectifying for thin film evaporation, be provided with one at the top of the surge tank
Exhaust outlet, bottom have a discharge outlet.
Description of the drawings
Fig. 1 is the structural representation of the vacuum system for coupling change system for thin film evaporation with rectifying.
Specific embodiment
As shown in figure 1, a kind of vacuum system for coupling change system for thin film evaporation with rectifying, including vavuum pump 3, very
3 one end of empty pump connects surge tank 2 by pipeline, and surge tank 2 connects thin film evaporation by pipeline again and couples change system with rectifying
1,3 other end of vavuum pump connects receiver 5 by pipeline, and receiver 5 is provided with condenser 4.Vavuum pump 3 is that dry method is spirally true
Empty pump.Condenser 4 and receiver 5 are glass material.The pressure of vacuum system is 5Pa-2000Pa.The top that condenser 4 is
For open design, it is connected with air.Thin film evaporation couples change system 1 for Application No. 201320122760.0, name with rectifying
Referred to as《A kind of thin film evaporation couples change system with rectifying》Chinese utility model patent described in thin film evaporation and rectifying
Coupling change system.An exhaust outlet is provided with the top of surge tank 2, a discharge outlet is arranged at bottom.
Above-mentioned vacuum system can bring fairly obvious effect in actual experiment, and it is 80% meat to use it for purifying content
The cinnamon oil of cinnamic aldehyde, prepares high-purity cinnamic acid of the content more than 98%.If adopting lobe pump vacuum system, carrying out continuously
After experiment 16 hours, the pressure of system increases to 100Pa from 0.1Pa, but if adopts vacuum system of the present invention, continuous experiment
1 month, the pressure of system substantially remained in 5-50Pa.It can be seen that, this vacuum system can significantly improve the true of coupling change system 1
Empty stability, can also improve the stability and service life of vavuum pump.
Claims (6)
1. a kind of vacuum system for thin film evaporation and rectification coupling apparatus system, it is characterised in that including vavuum pump（3）, very
Empty pump（3）One end connects thin film evaporation and rectification coupling apparatus system by pipeline（1）, the other end connects receiver by pipeline
（5）, thin film evaporation and rectification coupling apparatus system（1）With vavuum pump（3）Between be provided with surge tank（2）, receiver（5）On set
There is condenser（4）；The described vacuum system for thin film evaporation and rectification coupling apparatus system, which includes that the first film evaporates
Device, the second thin film evaporator, the 3rd thin film evaporator, first rectifying column and Second distillation column；Wherein, the first film evaporimeter
Top connection first rectifying column, the bottom connection Second distillation column of the first film evaporimeter；The bottom of towe connection the of first rectifying column
Two thin film evaporators, the bottom of towe of Second distillation column connect the 3rd thin film evaporator；The tower top connection first of first rectifying column is condensed
Device, the first condenser reconnect first rectifying column and form backflow, and the first condenser connects the first storage tank；The tower top of Second distillation column
Connect the second condenser, the second condenser reconnects Second distillation column and forms backflow, and the second condenser connects the second storage tank；Second
Thin film evaporator bottom of towe connects the 3rd storage tank；3rd thin film evaporator bottom of towe connects the 4th storage tank.
2. the vacuum system of thin film evaporation and rectification coupling apparatus system is used for as claimed in claim 1, it is characterised in that institute
The vavuum pump stated is the spiral vavuum pump of dry method.
3. the vacuum system of thin film evaporation and rectification coupling apparatus system is used for as claimed in claim 1, it is characterised in that institute
State condenser（4）And receiver（5）It is glass material.
4. the vacuum system of thin film evaporation and rectification coupling apparatus system is used for as claimed in claim 1, it is characterised in that institute
The pressure for stating vacuum system is 5Pa-2000Pa.
5. the vacuum system of thin film evaporation and rectification coupling apparatus system is used for as claimed in claim 1, it is characterised in that institute
State condenser（4）Top be open design, be connected with air.
6. the vacuum system of thin film evaporation and rectification coupling apparatus system is used for as claimed in claim 1, it is characterised in that institute
State surge tank（2）Top is provided with an exhaust outlet, and a discharge outlet is arranged at bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310108517.8A CN104083884B (en) | 2013-04-01 | 2013-04-01 | A kind of vacuum system for thin film evaporation and rectification coupling apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310108517.8A CN104083884B (en) | 2013-04-01 | 2013-04-01 | A kind of vacuum system for thin film evaporation and rectification coupling apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104083884A CN104083884A (en) | 2014-10-08 |
| CN104083884B true CN104083884B (en) | 2017-03-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310108517.8A Active CN104083884B (en) | 2013-04-01 | 2013-04-01 | A kind of vacuum system for thin film evaporation and rectification coupling apparatus |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201279399Y (en) * | 2008-09-02 | 2009-07-29 | 常州市武进东方绝缘油有限公司 | Device for recovering light component discharged in reduced pressure distillation process |
| CN201473473U (en) * | 2009-05-20 | 2010-05-19 | 湖州吉昌化学有限公司 | Device by utilizing 2-ethyl anthraquinone crude product to be rectified and purified |
| CN102120935A (en) * | 2011-01-10 | 2011-07-13 | 佛山汉维机电科技有限公司 | Method for recycling heptane and saxol from waste saxol containing heptane |
-
2013
- 2013-04-01 CN CN201310108517.8A patent/CN104083884B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201279399Y (en) * | 2008-09-02 | 2009-07-29 | 常州市武进东方绝缘油有限公司 | Device for recovering light component discharged in reduced pressure distillation process |
| CN201473473U (en) * | 2009-05-20 | 2010-05-19 | 湖州吉昌化学有限公司 | Device by utilizing 2-ethyl anthraquinone crude product to be rectified and purified |
| CN102120935A (en) * | 2011-01-10 | 2011-07-13 | 佛山汉维机电科技有限公司 | Method for recycling heptane and saxol from waste saxol containing heptane |
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| Publication number | Publication date |
|---|---|
| CN104083884A (en) | 2014-10-08 |
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