CN207941211U - A kind of Rotary Evaporators - Google Patents
A kind of Rotary Evaporators Download PDFInfo
- Publication number
- CN207941211U CN207941211U CN201721874271.5U CN201721874271U CN207941211U CN 207941211 U CN207941211 U CN 207941211U CN 201721874271 U CN201721874271 U CN 201721874271U CN 207941211 U CN207941211 U CN 207941211U
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- Prior art keywords
- rotary
- bottle
- heating water
- water bath
- rotary evaporators
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- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
Abstract
The utility model is related to a kind of Rotary Evaporators, belong to scientific experiment engineering device technique field.Including host, holder, rotary system, rotary evaporation bottle, reflux condensing tube, heating water bath pot, connect liquid flask and threeway bottle, liquid level warning control system is equipped in heating water bath pot, the liquid level warning control system includes level set knob and level sensor, and the level set knob is connected with level sensor by the transmission device being set in heating water bath pot wall.Compared with traditional Rotary Evaporators, the Rotary Evaporators energy effective guarantee rotary flask of the utility model carries out rotary evaporation under most suitable water-bath liquid level, effectively improves rotary evaporation efficiency.Water-bath is internally provided with water replanishing device, and moisturizing rotary evaporation speed is fast, effectively prevents cumbersome time-consuming manual operation.Equipment convenient for safeguarding, it is easy to operate, have positive effect to improving roto-vap operation effect and institution of higher learning and R＆D institution's chemical industry, field of medicaments scientific experiment level.
Description
Technical field
The utility model is related to scientific experiment device field more particularly to a kind of Rotary Evaporators.
Background technology
Rotary Evaporators are called rotary evaporator, are that heated at constant temperature and thin film evaporation principle are utilized under the conditions of negative pressure of vacuum
The concentration and needing for carrying out reflux operation, rapid solvent evaporation, component forms a film a kind of scientific research of stirring and experiment common instrument is set
It is standby.It is mainly made of the part such as rotary evaporation bottle, condenser pipe, heating water bath pot, is widely used in institution of higher learning and R＆D institution
Evaporation, concentration, crystallization, drying, separation, solvent recycling etc. scientific experiments process.
The evaporation flask of Rotary Evaporators is in rotation while being placed in heated at constant temperature in water-bath, and solution exists under negative pressure in bottle
Heating diffusive evaporation is carried out in rotary flask.Rotary evaporator system, which can seal, is decompressed to 400~600 millimetress of mercury；With adding
Solvent in heating water bath cucurbit, heating temperature are close to the boiling point of the solvent；Rotation can also be carried out simultaneously makes solvent be formed
Film increases disengagement area.In addition, under high-effect cooling device effect, heat steam can be liquefied rapidly, accelerates evaporation rate.
Other than vacuum control system, water bath heating system is the important component for influencing operating effect.In order to ensure water-bath
The heating water bath pot of heating effect, the prior art is additionally provided with all-transparent protective cover, plays the works such as heat preservation, energy saving, explosion-proof, splashproof
With.But can not overcome because heating time is long, water-bath evaporation causes liquid level to be detached from rotary evaporation bottle, leads to lacking for operation failure
It falls into.
Therefore develop it is a kind of simple in structure, it is easy to operate, heating time can be effectively prevent long and lead to that liquid level is detached from and
The Rotary Evaporators for leading to operation failure, to improving the operating effect of Rotary Evaporators and improving institution of higher learning and R＆D institution
Chemical industry, medicine and other fields scientific experiment level are necessary.
Invention content
In order to overcome the Rotary Evaporators of the prior art because heating time is long, water-bath evaporation causes liquid level to be detached from rotary evaporation
Bottle, causes the defect of operation failure.The utility model provides a kind of Rotary Evaporators, and can set alarm liquid level can be to water-bath
The water-bath liquid level of heating kettle is monitored, and alarm or water-refilling operation can be carried out when liquid level is less than setting alarm liquid level, can
The effect of effective guarantee heating water bath.
Technical solution adopted by the utility model to solve its technical problems is a kind of rotary evaporations to achieve the above object
Instrument includes：Host, rotary system, rotary evaporation bottle, reflux condensing tube, heating water bath pot, connects liquid flask and threeway bottle at holder,
Host and water-bath are placed on bracket base side by side, reflux condensing tube and are connect liquid flask and are fixed on holder；Rotary system includes
Turnbarrel and rotation motor, rotary system are placed in host top axial and tend to heating water bath pot；Rotary evaporation bottle be with
The eggplant shape or round-bottomed flask of beam ground interface, reflux condensing tube are that its top of serpentine condenser is equipped with vacuum pumping opening；Rotation
Evaporative flask is socketed on turnbarrel, and rear end is connected with threeway bottle, and pressure gauge is provided on threeway bottle；The threeway bottle and reflux
Condenser pipe is connected with drawdown pump, and another opening of reflux condensing tube is connected with the liquid flask that connects with ground, is evaporated for receiving
Organic solvent.Threeway bottle end is equipped with vacuum breaker and can will connect liquid flask when system is communicated with air and remove transfer
Solvent；When system is communicated with drawdown pump, then system should be at decompression working condition.Liquid level warning control is equipped in heating water bath pot
System processed, the liquid level warning control system include level set knob and level sensor, the level set knob and
Level sensor is connected by the transmission device being set in heating water bath pot wall.
Preferably, the host is equipped with liquid crystal display and regulation button.
Preferably, the level sensor is static pressure throw-in type liquid level sensor.
Preferably, the transmission device is the twisted transmission device of rope.
Preferably, the heating water bath pot inner wall corresponds to level sensor and is equipped with liquid level ruler.
Preferably, the heating water bath pot is switched equipped with independent heating water bath.
Preferably, the water-bath is internally provided with water replanishing device.
In use, should first depressurize, then motor rotation distilling flask is started, at the end of, it should first shut down, then logical air, with
Anti- distilling flask falls off in rotation.By the electronic control of level sensor and host system, rotary flask is made to be most suitable for
Under water-bath liquid level, constant speed rotary is to increase disengagement area.
The advantageous effects of the utility model：
1, the Rotary Evaporators of the utility model, water-bath is interior to be equipped with liquid level warning control system and traditional Rotary Evaporators
It compares, energy effective guarantee rotary flask carries out rotary evaporation under most suitable water-bath liquid level, effectively improves rotary evaporation effect
Rate.
2, the Rotary Evaporators of the utility model, water-bath are internally provided with water replanishing device, and moisturizing rotary evaporation speed is fast, has
Effect avoids cumbersome time-consuming manual operation.
3, the Rotary Evaporators of the utility model, equipment is convenient for safeguarding, use cost is low, easy to operate.
Description of the drawings
Fig. 1 is the structural schematic diagram of the Rotary Evaporators of the utility model.
Fig. 2 is the liquid level warning transmission structures partial structurtes enlarged drawing of the Rotary Evaporators of the utility model.
In figure, 1- hosts, 2- holders, 3- rotary systems, 31- rotation motors, 32- turnbarrels, 4- rotary evaporation bottles, 5-
Reflux condensing tube, 51- vacuum pumping openings, 6- heating water bath pots, 61- level sensors, 62- level set knobs, 63- water-baths add
Thermal switch, 7- connect liquid flask, 8- threeway bottles, 81- vacuum breakers, 82- pressure gauges, 9- liquid crystal displays, 10- regulation buttons,
11- liquid level rulers.
Specific implementation mode
In order to clarify the technical characteristics of the invention, below by specific implementation mode and new to this practicality in conjunction with attached drawing
Type is described further, and specific implementation mode does not limit the present invention.
A kind of Rotary Evaporators include：A kind of Rotary Evaporators include：Host 1, holder 2, rotary system 3, rotary evaporation
Bottle 4, heating water bath pot 6, connects liquid flask 7 and threeway bottle 8 at reflux condensing tube 5, and host 1 and water-bath 6 are placed in 2 bottom of holder side by side
On seat, reflux condensing tube 5 and connects liquid flask 7 and be fixed on holder；The host 1 is equipped with liquid crystal display 9 and regulation button
10；Rotary system 3 includes rotation motor 31 and turnbarrel 32, and rotary system, which sets 3 and tends to water-bath in 1 top axial of host, to be added
Hot pot 6；Rotary evaporation bottle 4 be eggplant shape or round-bottomed flask with beam ground interface, reflux condensing tube 5 be serpentine condenser its
Top is equipped with vacuum pumping opening 51；Rotary evaporation bottle 4 is socketed on turnbarrel 32, and rear end is connected with threeway bottle 8, threeway bottle 8
On be provided with pressure gauge 82；The threeway bottle 8 is connected with reflux condensing tube 5 and drawdown pump, 5 another opening of reflux condensing tube and band
There is the liquid flask 7 that connects of ground to be connected, for receiving the organic solvent being evaporated.8 end of threeway bottle is equipped with vacuum breaker 81, when
When system is communicated with air, it can will connect liquid flask and remove transfer solvent；When system is communicated with drawdown pump, then system should be at
Depressurize working condition.Liquid level warning control system is equipped in heating water bath pot 6, the liquid level warning control system includes liquid level
Inductor 61 and level set knob 62, the level sensor 61 are static pressure throw-in type liquid level sensor, the liquid level sense
Device 61 is answered to be connected by the transmission device being set in 6 wall of heating water bath pot with level set knob 62, the transmission device
For the twisted transmission device of rope.6 inner wall of heating water bath pot corresponds to level sensor 61 and is equipped with liquid level ruler 11, described
Heating water bath pot 6 be equipped with independent heating water bath switch 62, the water-bath is internally provided with water replanishing device.
In use, should first depressurize, then motor rotation distilling flask is started, at the end of, it should first shut down, then logical air, with
Anti- distilling flask falls off in rotation.By the electronic control of level sensor and host system, rotary flask is made to be most suitable for
Under water-bath liquid level, constant speed rotary is to increase disengagement area.
It should be pointed out that above-mentioned preferred embodiment is only to illustrate the technical concepts and features of the utility model, purpose
It is the content for allowing person skilled in the art that can understand the utility model and implements according to this, this reality can not be limited with this
With novel protection domain.It is all according to equivalent change or modification made by the spirit of the present invention essence, should all cover in this reality
Within novel protection domain.
Claims (7)
1. a kind of Rotary Evaporators, including host, holder, rotary system, rotary evaporation bottle, reflux condensing tube, heating water bath pot,
Connect liquid flask and threeway bottle, it is characterised in that：Host and water-bath are placed on bracket base side by side, and reflux condensing tube is burnt with liquid is connect
Bottle is fixed on holder；Rotary system includes turnbarrel and rotation motor, and rotary system is placed in host top axial and tends to
Heating water bath pot；Rotary evaporation bottle is eggplant shape or round-bottomed flask with beam ground interface, and reflux condensing tube is snakelike condensation
It manages its top and is equipped with vacuum pumping opening；Rotary evaporation bottle cover is connected on turnbarrel, and rear end is connected with threeway bottle, threeway bottle end
Equipped with vacuum breaker, pressure gauge is provided on threeway bottle；The threeway bottle is connected with reflux condensing tube and drawdown pump, returned cold
Solidifying another opening of pipe is connected with the liquid flask that connects with ground；Liquid level warning control system is equipped in heating water bath pot, it is described
Liquid level warning control system includes level set knob and level sensor, and the level set knob and level sensor pass through
The transmission device connection being set in heating water bath pot wall.
2. a kind of Rotary Evaporators according to claim 1, it is characterised in that：The host be equipped with liquid crystal display and
Regulation button.
3. a kind of Rotary Evaporators according to claim 1, it is characterised in that：The level sensor puts into for static pressure
Formula liquid level sensor.
4. a kind of Rotary Evaporators according to claim 1, it is characterised in that：The transmission device is the twisted biography of rope
Dynamic device.
5. a kind of Rotary Evaporators according to claim 1, it is characterised in that：The heating water bath pot inner wall corresponds to liquid
Position inductor is equipped with liquid level ruler.
6. a kind of Rotary Evaporators according to claim 1, it is characterised in that：The heating water bath pot is equipped with water-bath
Heater switch.
7. a kind of Rotary Evaporators according to claim 1, it is characterised in that：The water-bath is internally provided with moisturizing dress
It sets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721874271.5U CN207941211U (en) | 2017-12-28 | 2017-12-28 | A kind of Rotary Evaporators |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721874271.5U CN207941211U (en) | 2017-12-28 | 2017-12-28 | A kind of Rotary Evaporators |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207941211U true CN207941211U (en) | 2018-10-09 |
Family
ID=63700911
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721874271.5U Expired - Fee Related CN207941211U (en) | 2017-12-28 | 2017-12-28 | A kind of Rotary Evaporators |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207941211U (en) |
-
2017
- 2017-12-28 CN CN201721874271.5U patent/CN207941211U/en not_active Expired - Fee Related
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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: 20181009 Termination date: 20211228 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |