CN207430333U - A kind of rectification under vacuum raffinate receiving flask - Google Patents
A kind of rectification under vacuum raffinate receiving flask Download PDFInfo
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- CN207430333U CN207430333U CN201721460813.4U CN201721460813U CN207430333U CN 207430333 U CN207430333 U CN 207430333U CN 201721460813 U CN201721460813 U CN 201721460813U CN 207430333 U CN207430333 U CN 207430333U
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- raffinate
- glass tube
- under vacuum
- receiving flask
- rectification under
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- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The utility model is related to laboratory equipment technical fields, more particularly to a kind of rectification under vacuum raffinate receiving flask, the rectification under vacuum raffinate receiving flask, including residual liquid tank, long glass tube, short glass tube, the residual liquid tank lower end are provided with raffinate outlet, valve is installed in the raffinate exit, and the long glass tube and short glass tube upper and lower side are uncovered structure and upper end is connector.The collection of low boiling point raffinate in vacuum distillation process can be effectively controlled using the technical solution of the utility model, raffinate is made not enter vacuum pump, to safeguarding that vacuum degree and protection vacuum pump play a crucial role.
Description
Technical field
The utility model is related to laboratory equipment technical fields, and in particular to a kind of rectification under vacuum raffinate receiving flask.
Background technology
The boiling point of liquid, refer to its saturated vapour pressure be equal to ambient pressure when temperature, therefore the boiling point of liquid be with
The variation of ambient pressure and change, if by pressure in vacuum pump reduction system, it is possible to reduce the boiling point of liquid, this
It is the theoretical foundation of vacuum distillation operation.Vacuum distillation is separation and one of the common method for purifying organic compound, liquid
Boiling temperature refer to temperature of the vapour pressure of liquid with external pressure when equal.When external pressure reduces, boiling temperature decreases.
In distillation procedure, when some organic matters are heated near its normal boiling point, oxygen can occur since temperature is excessively high
The reactions such as change, decomposition or polymerization, make it not distill under normal pressure.If distilling apparatus is connected on a set of depressurized system,
It is part to 1/tens to distill ten that whole system pressure is first made to be reduced to only normal pressure before starting, then this kind of organic
Object can be distilled at a temperature of much lower compared with its normal boiling point.
But have a following defect during existing vacuum distillation equipment use, 1, without condenser pipe 2, low boiling point raffinate not
3, low boiling point raffinate can all be collected and enter vacuum pump, 4, service life of vacuum pump reduce, vacuum effectiveness is damaged.
The content of the invention
In order to solve the problems in the existing technology, the utility model provides a kind of rectification under vacuum raffinate receiving flask,
The rectification under vacuum raffinate receiving flask, including residual liquid tank, long glass tube, short glass tube, the residual liquid tank lower end is provided with raffinate and goes out
Mouthful, valve is installed in the raffinate exit, and the long glass tube and short glass tube upper and lower side are uncovered structure and upper end is company
Interface, condenser pipe built in the long glass tube are simultaneously provided with condensation water inlet and condensation-water drain.
In preferred embodiments, the long glass tube and short glass tube pass through the rubber stopper being built in raffinate tank mouth
It extend into inside residual liquid tank, length of the long glass tube inside residual liquid tank is longer than short glass tube.
The collection of low boiling point raffinate in vacuum distillation process can be effectively controlled using the technical solution of the utility model, is made
Raffinate does not enter vacuum pump, to safeguarding that vacuum degree and protection vacuum pump play a crucial role.
Description of the drawings
Fig. 1 is the structure diagram of the utility model embodiment.
In figure：1- long glass tubes, the short glass tubes of 2-, 3- valves, 4- residual liquid tanks, the outlet of 5- raffinates, 6- condensing water inlets, 7-
Condensation-water drain, 8- condenser pipes, 9- long glass tube connection ports, 10- rubber stoppers, 11- nipple connectors, 12- raffinate tank mouths.
Specific embodiment
In order to be better understood from the technical solution of the utility model, With reference to embodiment with attached drawing to this practicality
It is new to be described in detail, but specific embodiment is not the limitation to the utility model content.
Rectification under vacuum raffinate receiving flask provided by the utility model, including residual liquid tank, long glass tube, short glass tube is described
Residual liquid tank lower end is provided with raffinate outlet, and valve is installed in the raffinate exit, and the long glass tube and short glass tube upper and lower side are equal
It is connector for uncovered structure and upper end, condenser pipe built in the long glass tube is simultaneously provided with condensation water inlet and condensation-water drain.
In use, the utility model rectification under vacuum raffinate receiving flask is placed between distilling apparatus and vacuum pump, i.e., the order of connection is steaming
Distillation unit, rectification under vacuum raffinate receiving flask, vacuum pump are connected long glass tube connection ports with distilling apparatus by rubber tube, are led to
It crosses rubber tube to be connected short glass tube with vacuum pump, then connect condensed water and opens condensed water, valve is closed, entire to collect
In closed state, then opening vacuum pump can work normally bottle.After hours, valve is opened, is poured out from raffinate outlet residual
Liquid.Vacuum degree in vacuum distillation process and vacuum pump are played using rectification under vacuum raffinate receiving flask provided by the utility model
Good protective effect.
Claims (3)
1. a kind of rectification under vacuum raffinate receiving flask, which is characterized in that including residual liquid tank, long glass tube, short glass tube, the raffinate
Tank lower end is provided with raffinate outlet, and valve is installed in the raffinate exit, and the long glass tube and short glass tube upper and lower side are spacious
Mouth structure and upper end are connector, and condenser pipe built in the long glass tube is simultaneously provided with condensation water inlet and condensation-water drain.
2. rectification under vacuum raffinate receiving flask according to claim 1, which is characterized in that the long glass tube and short glass tube
It is extend into through the rubber stopper being built in raffinate tank mouth inside residual liquid tank.
3. rectification under vacuum raffinate receiving flask according to claim 1 or 2, which is characterized in that the long glass tube is in raffinate
Length inside tank is longer than short glass tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721460813.4U CN207430333U (en) | 2017-11-06 | 2017-11-06 | A kind of rectification under vacuum raffinate receiving flask |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721460813.4U CN207430333U (en) | 2017-11-06 | 2017-11-06 | A kind of rectification under vacuum raffinate receiving flask |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207430333U true CN207430333U (en) | 2018-06-01 |
Family
ID=62291100
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721460813.4U Active CN207430333U (en) | 2017-11-06 | 2017-11-06 | A kind of rectification under vacuum raffinate receiving flask |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207430333U (en) |
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2017
- 2017-11-06 CN CN201721460813.4U patent/CN207430333U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 311201 No. 18 Chunchao Road, Qiaonan District, Xiaoshan Economic Development Zone, Hangzhou City, Zhejiang Province Patentee after: Hangzhou Ansai Biotechnology Co.,Ltd. Address before: 311201 No. 18 Chunchao Road, Qiaonan District, Xiaoshan Economic Development Zone, Hangzhou City, Zhejiang Province Patentee before: Hangzhou Ansai Biotechnology Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP03 | Change of name, title or address |
Address after: 311201 No. 18 Chunchao Road, Qiaonan District, Xiaoshan Economic Development Zone, Hangzhou City, Zhejiang Province Patentee after: Hangzhou Ansai Biotechnology Co.,Ltd. Address before: 311201 No. 18 Chunchao Road, Qiaonan District, Xiaoshan Economic Development Zone, Hangzhou City, Zhejiang Province Patentee before: ZHEJIANG ARTSCI BIOTECHNOLOGY Co.,Ltd. |
|
| CP03 | Change of name, title or address |