CN205815153U - Decompression rectification device - Google Patents
Decompression rectification device Download PDFInfo
- Publication number
- CN205815153U CN205815153U CN201620693411.8U CN201620693411U CN205815153U CN 205815153 U CN205815153 U CN 205815153U CN 201620693411 U CN201620693411 U CN 201620693411U CN 205815153 U CN205815153 U CN 205815153U
- Authority
- CN
- China
- Prior art keywords
- constant voltage
- connecting tube
- voltage connecting
- tube
- receiving flask
- 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
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
This utility model belongs to rectifying device technical field, is specifically related to a kind of decompression rectification device, including the alembic being sequentially communicated, bead tube, control of reflux ratio still head, product receiving flask and vacuum regulator；Described control of reflux ratio still head includes steam pipe, reflux condensing tube and constant voltage connecting tube；Described reflux condensing tube lower wall is provided with two fluid guidance ports bottom respectively with described steam pipe and described constant voltage connecting tube and is connected；Reflux condensing tube upper side wall is provided with air guide port and connects with the top of described constant voltage connecting tube, is provided with the three-way valve controlling break-make in the middle of described constant voltage connecting tube；The upper side wall of constant voltage connecting tube is provided with opening and is connected with described vacuum regulator；The bottom of constant voltage connecting tube connects product receiving flask；Conduit between fluid guidance port and the described product receiving flask of described reflux condensing tube is provided with threeway liquid valve；Described threeway liquid valve is connected with reflux condensing tube, product receiving flask and sample collection bottle.
Description
Technical field
This utility model belongs to rectifying device technical field, is specifically related to a kind of decompression rectification device.
Background technology
Distillation is a kind of liquid separation method that Chemical Manufacture is conventional with chemical experiment, and its principle is to utilize solvent boiling point
Difference solvent to be purified carried out heating make it seethe with excitement, the steam of rising enters distillate after condensing tube condensation and collects
Bottle, i.e. reaches the purpose purified.Rectification make a kind of utilize backflow make liquid mixture obtain high-purity separate distillating method, be
Industrial most widely used liquid mixture lock out operation, is widely used in the departments such as oil, chemical industry, light industry, food, metallurgy.And
The size of reflux ratio, separating effect and economy on distillation process have important impact.The most common
There is following problem in rectification: first, it is impossible to regulate reflux ratio accurately.Second, owing to the mixture of rectification typically compares
Complexity, so needing to monitor whether sample is the required product collected at any time, current decompression rectification device can not be good
Sampling.
Utility model content
The purpose of this utility model is to overcome in prior art can not be accurately controlled reflux ratio, and can not sample at any time
Shortcoming, and provide a kind of decompression rectification device.
Be the technical scheme is that by realizing the purpose of this utility model
A kind of decompression rectification device, including the alembic being sequentially communicated, bead tube, control of reflux ratio still head, product is received
Collection bottle and vacuum regulator；
Described control of reflux ratio still head includes steam pipe, reflux condensing tube and constant voltage connecting tube；Described backflow
Condensing tube lower wall is provided with two fluid guidance ports bottom respectively with described steam pipe and described constant voltage connecting tube and is connected；
Described reflux condensing tube upper side wall is provided with air guide port and connects with the top of described constant voltage connecting tube, described constant voltage connecting tube
Centre is provided with the three-way valve controlling break-make；The upper side wall of described constant voltage connecting tube is provided with opening and fills with described vacuum pressure regulation
Put connection；The bottom of described constant voltage connecting tube connects product receiving flask；
Conduit between fluid guidance port and the described product receiving flask of described reflux condensing tube is provided with threeway liquid valve；Institute
The threeway liquid valve stated is connected with reflux condensing tube, product receiving flask and sample collection bottle.
Described vacuum regulator includes vacuum pump, nitrogen cylinder and the Pressure gauge being arranged on vacuum line.
It is provided with cold-trap between described vacuum pump and described vacuum line.
Described rectification bottle entirety is made up of double glazing, is evacuated in the middle of interlayer, and the inwall of vacuum interlayer is coated with gold
Belong to silver.
Described rectifying column can be board-like, it is possible to for material filling type.
Described alembic is provided with the capillary tube preventing boiling.
Compared with prior art, the beneficial effects of the utility model are:
Between reflux condensing tube and described product receiving flask, it is provided with threeway liquid valve, first passes through the rotation of threeway liquid valve
The inflow of how many control condensed fluid of two opening connection reflux condensing tubes and product receiving flask, thus control different backflows
Comparison mixture efficiently separates.Two opening connection reflux condensing tubes of threeway liquid valve can be received with sample simultaneously
Collection bottle, is turning quickly back to original position after collecting a small amount of liquid, not only quickly can obtain sample but also pressure in not impact system
Power.
The setting of vacuum regulator simultaneously makes utilization be passed through nitrogen under vacuum pump duty in system, passes through valve
The flow of door regulation nitrogen, to obtain pressure in different system, can realize the rectification under vacuum under different vacuum, thus have
Effect realizes the separating-purifying of multicomponent mixing liquid.Simultaneously nitrogen be passed through and can ensure that still-process is in noble gas
Under environment, prevent the generation of side reaction.Pressure gauge can indicate the pressure in decompression rectification device system accurately.
Described rectifying column entirety is made up of double glazing, is evacuated, the inwall of vacuum interlayer is coated with gold in the middle of interlayer
Belong to silver, rectifying column is served insulation effect.The minimizing of rectifying column thermal losses, greatly enhances mass-transfer progress, helps
In the purity improving rectification fraction.
Cold-trap it is provided with for condensed gas to protect vacuum pump between described vacuum pump and described vacuum line.A whole set of dress
Put and build simply, operate safety, and low cost, be suitable to industry's enlarging production is applied.
Accompanying drawing explanation
Fig. 1 is the structural representation of vacuum distillation apparatus of the present utility model.
Detailed description of the invention
In order to make those skilled in the art be more fully understood that the technical solution of the utility model, below in conjunction with the accompanying drawings
The utility model is described in further detail with most preferred embodiment.
Fig. 1 illustrates a kind of vacuum distillation apparatus, including the alembic 2 being sequentially communicated, bead tube 1, control of reflux ratio distillation
Head, product receiving flask 6 and vacuum regulator 7；Described rectification bottle 1 entirety is made up of double glazing, is pumped in the middle of interlayer
Vacuum, the inwall of vacuum interlayer is coated with argent.Described rectifying column can be board-like, it is possible to for material filling type.Described alembic
It is positioned in heating mantle 3 and it is heated, be placed with thermometer 21 at opening part simultaneously and the liquid in alembic is supervised
Control.Described alembic is provided with the capillary tube preventing boiling.Described control of reflux ratio still head includes steam pipe 51, backflow
Condensing tube 52 and constant voltage connecting tube 54；Described reflux condensing tube lower wall be provided with two fluid guidance ports 521,522 respectively with
The bottom of described steam pipe 51 and described constant voltage connecting tube 54 connects；Described steam pipe 51 is provided with thermometer 511
Observe the temperature of steam.Reflux condenser includes that the gas entering condensing tube is carried out cold by water inlet 524 and outlet 525
Solidifying.Described reflux condensing tube upper side wall is provided with air guide port 523 and connects with the top of described constant voltage connecting tube 54, described perseverance
It is provided with, in the middle of pressure connecting tube, the three-way valve 84 controlling break-make；The upper side wall of described constant voltage connecting tube is provided with opening 523 and institute
The vacuum regulator stated connects；The bottom of described constant voltage connecting tube connects product receiving flask 6；Described reflux condensing tube
And the conduit between described product receiving flask is provided with threeway liquid valve 531；Described threeway liquid valve with reflux condensing tube, product
Product receiving flask and sample collection bottle 53 connect.Vacuum pump 72 that described vacuum regulator includes being arranged on vacuum line,
Nitrogen cylinder 71 and Pressure gauge 73.Cold-trap 74 it is provided with between described vacuum pump and described vacuum line.
Operation principle of the present utility model i.e. step is: when device air-tightness is good on inspection, opens the institute on this device
There is valve, open vacuum pump 72, air in system is drained, and system is full of nitrogen.Regulation vacuum pump on valve 82, with
And the valve 83 of control nitrogen, control air inlet and can obtain different system vacuum from the speed given vent to anger, under certain vacuum degree
Heating liquid, liquid boiling, steam column plate along rectifying column rises, and can flow to product and collect after reflux condensation mode pipework condensation
In Ping, first pass through fluid guidance port 522 and the product receiving flask 6 of two opening connection reflux condensing tubes of rotation of threeway liquid valve
How many inflows controlling condensed fluid, thus control different reflux ratios and mixture is efficiently separated.Simultaneously can be by three
Two opening connection reflux condensing tubes of logical liquid valve and sample collection bottle, be turning quickly back to start bit after collecting a small amount of liquid
Put, not only quickly can obtain sample but also pressure in not impact system.Owing to being coated with silver on the inwall of rectifying column vacuum interlayer,
Form direct reflection, rectifying column is served good insulation effect, thus is effectively increased the product purity of each fraction, with
Time reduce tower reactor thermal losses, increase the safety produced.
The above is only preferred implementation of the present utility model, it is noted that for the common skill of the art
For art personnel, on the premise of without departing from this utility model principle, it is also possible to make some improvements and modifications, these improve and
Retouching also should be regarded as protection domain of the present utility model.
Claims (6)
1. a decompression rectification device, it is characterised in that include that the alembic being sequentially communicated, bead tube, control of reflux ratio distill
Head, product receiving flask and vacuum regulator；
Described control of reflux ratio still head includes steam pipe, reflux condensing tube and constant voltage connecting tube；Described reflux condensation mode
Pipe lower wall is provided with two fluid guidance ports bottom respectively with described steam pipe and described constant voltage connecting tube and is connected；Described
Reflux condensing tube upper side wall be provided with air guide port and connect with the top of described constant voltage connecting tube, in the middle of described constant voltage connecting tube
It is provided with the three-way valve controlling break-make；The upper side wall of described constant voltage connecting tube is provided with opening with described vacuum regulator even
Connect；The bottom of described constant voltage connecting tube connects described product receiving flask；
Conduit between fluid guidance port and the described product receiving flask of described reflux condensing tube is provided with threeway liquid valve；Described
Threeway liquid valve is connected with reflux condensing tube, product receiving flask and sample collection bottle.
Decompression rectification device the most according to claim 1, it is characterised in that described vacuum regulator includes being arranged on
Vacuum pump, nitrogen cylinder and Pressure gauge on vacuum line.
Decompression rectification device the most according to claim 2, it is characterised in that described vacuum pump and described vacuum line it
Between be provided with cold-trap.
Decompression rectification device the most according to claim 1, it is characterised in that described rectification bottle is overall by double glazing system
Becoming, be evacuated in the middle of interlayer, the inwall of vacuum interlayer is coated with argent.
Decompression rectification device the most according to claim 1, it is characterised in that described rectifying column can be board-like, it is possible to for
Material filling type.
Decompression rectification device the most according to claim 1, it is characterised in that be provided with in described alembic and prevent boiling
Capillary tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620693411.8U CN205815153U (en) | 2016-06-30 | 2016-06-30 | Decompression rectification device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620693411.8U CN205815153U (en) | 2016-06-30 | 2016-06-30 | Decompression rectification device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205815153U true CN205815153U (en) | 2016-12-21 |
Family
ID=57566690
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620693411.8U Expired - Fee Related CN205815153U (en) | 2016-06-30 | 2016-06-30 | Decompression rectification device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205815153U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114642893A (en) * | 2022-03-25 | 2022-06-21 | 百色学院 | Energy-saving device and method for reduced pressure distillation of water-insoluble organic solvent |
-
2016
- 2016-06-30 CN CN201620693411.8U patent/CN205815153U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114642893A (en) * | 2022-03-25 | 2022-06-21 | 百色学院 | Energy-saving device and method for reduced pressure distillation of water-insoluble organic solvent |
| CN114642893B (en) * | 2022-03-25 | 2024-02-06 | 百色学院 | Energy-saving device and method for reduced pressure distillation of water-insoluble organic solvent |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205815150U (en) | A kind of decompression rectification device | |
| CN104744194B (en) | A kind of isobutene. device takes off light weight-removing column and is thermally integrated technique | |
| CN103394210A (en) | Supergravity device for reduced pressure distillation and application method | |
| CN205287666U (en) | Concentrated cauldron of extrinsic cycle fractionation by distillation | |
| CN205815153U (en) | Decompression rectification device | |
| CN108211400A (en) | A kind of short-range molecular distillation equipment | |
| CN210905022U (en) | Experimental apparatus for refining absolute ethyl alcohol | |
| CN201578872U (en) | Multi-strand lateral line discharging combined type rectifying apparatus | |
| CN102211986A (en) | Process and device for extracting citral from Litsea cubeba oil | |
| CN206381662U (en) | A kind of distilling apparatus of vanillic aldehyde | |
| CN201094869Y (en) | Multipurpose internal reflux distillation device | |
| CN103288601B (en) | Cyclohexanol distillation method | |
| CN103007555B (en) | Vacuum concentrator | |
| CN107308674B (en) | Organic solvent dewatering equipment with super-gravity bed combined with molecular sieve membrane | |
| CN205133556U (en) | Cinnamon essential oil separator | |
| WO2021047393A1 (en) | Rectification device and rectification method for oxo synthesis of acetic acid | |
| CN108543327A (en) | A kind of volatile oil intelligent extraction collects separation equipment and technique | |
| CN105062575B (en) | Control the technique and device of incoagulable gas continuous-stable discharge in benzene recovery system | |
| CN206881185U (en) | A kind of rectification experimental apparatus | |
| CN102008831A (en) | Rectification and recovery system of alcohol with high purity | |
| CN201108755Y (en) | Dual-purpose concentrator set for dissolvent circulating extraction | |
| CN210434014U (en) | Novel trinity rectifying column apparatus for producing of industry hydrogen peroxide solution enrichment facility | |
| CN211885434U (en) | Novel double water distiller | |
| CN203208716U (en) | Distillation apparatus | |
| CN207734628U (en) | A kind of integral type distilling apparatus for obtaining different fractions |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161221 Termination date: 20190630 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |