CN208448678U - A kind of Rotary Evaporators - Google Patents
A kind of Rotary Evaporators Download PDFInfo
- Publication number
- CN208448678U CN208448678U CN201820759703.6U CN201820759703U CN208448678U CN 208448678 U CN208448678 U CN 208448678U CN 201820759703 U CN201820759703 U CN 201820759703U CN 208448678 U CN208448678 U CN 208448678U
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- pipe
- rotary evaporators
- condenser pipe
- condenser
- cucurbit
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Abstract
The utility model relates to a kind of Rotary Evaporators, it is related to chemical research and development technology field, it solves the problems, such as to cause Rotary Evaporators distilling effect poor because the condensation effect of condenser pipe is bad, it includes pedestal, oil bath pan is provided on pedestal, cucurbit is provided in oil bath pan, bracket is additionally provided on pedestal, the driving motor of control cucurbit rotation is provided on bracket, anti-return casing is provided on cucurbit, the condenser pipe being connected with cucurbit is provided on bracket, one end of condenser pipe is provided with receiving flask, cooling tube is provided in condenser pipe, cooling tube includes outer spiral tube and inner helix pipe, inner helix pipe is provided with water inlet pipe close to one end of receiving flask, outer spiral tube is provided with outlet pipe close to one end of receiving flask, condenser pipe is provided with drain pipe close to one end of outlet pipe, and condenser pipe is arranged on the side wall of drain pipe one end There is air inlet pipe.Above-mentioned condenser pipe has good condensation effect, and making Rotary Evaporators integrally has good distilling effect.
Description
Technical field
The utility model relates to chemical research and development technology fields, more specifically, it relates to a kind of Rotary Evaporators.
Background technique
Rotary Evaporators are called rotary evaporator, are laboratory commonly used equipments, by motor, cucurbit, heating kettle, condenser pipe
Deng part composition, it is mainly used for continuous still volatile solvents under reduced pressure, is applied to chemistry, chemical industry, biological medicine
Equal fields.
A kind of Rotary Evaporators proposed such as patent announcement number by the Chinese patent of CN207076138U comprising bottom
Seat, bracket, evaporative flask, water-bath crucible, constant temperature water tank, elevator pump, condenser pipe, cooling water tank, receiving flask, vacuum pump；It is described cold
Heat exchanger tube is equipped in solidifying pipe, the heat exchanger tube has inlet and outlet, the water inlet and water outlet and the cooling water
Case connection, and cooling water circulation loop is constituted, the cooling water circulation loop is equipped with water circulating pump.
In above-mentioned patent, water circulating pump operates and flows into the cooling water in cooling water tank in heat exchanger tube through water inlet, changes
Cooling water in heat pipe cools down the boil-off gas in condenser pipe, and the cooling water after playing cooling effect is again by being discharged
Mouth discharge.But the edge of inner wall in condenser pipe is arranged in along the length direction of condenser pipe for heat exchanger tube, causes heat exchanger tube can not be with
The central part of boil-off gas contacts, and makes the Rotary Evaporators that can not play good distilling effect.
Utility model content
For the bad problem for causing Rotary Evaporators distilling effect poor of the condensation effect in practice because of condenser pipe,
The utility model aim is to propose a kind of Rotary Evaporators, and by being provided with cooling tube in condenser pipe, cooling tube includes outer
Helix tube and inner helix pipe, inner helix pipe are provided with water inlet pipe close to one end of receiving flask, outer spiral tube close to receiving flask one
End is provided with outlet pipe, to solve above-mentioned technical proposal.The cooling tube makes condenser pipe have good condensation effect, makes to rotate
Evaporimeter integrally has good distilling effect.
To achieve the above object, the utility model provides following technical solution:
A kind of Rotary Evaporators comprising pedestal is provided with oil bath pan on the pedestal, distillation is provided in oil bath pan
Bottle, it is additionally provided with bracket on the pedestal, the driving motor of control cucurbit rotation, the cucurbit are provided on the bracket
On be additionally provided with anti-return casing, the condenser pipe being connected with cucurbit, one end of the condenser pipe are provided on the bracket
Be provided with receiving flask, be provided with cooling tube in the condenser pipe, the cooling tube includes outer spiral tube and inner helix pipe, it is described in
Helix tube is provided with water inlet pipe close to one end of receiving flask, and the outer spiral tube is provided with outlet pipe close to one end of receiving flask,
The condenser pipe is provided with drain pipe close to one end of outlet pipe, and the condenser pipe is arranged on the side wall of drain pipe one end
There is air inlet pipe.
Through the above technical solutions, the reagent in cucurbit, after water-bath heats, the gas of evaporation is being transported to condensation
During pipe, the central temperature of boil-off gas is higher, and ambient temperature is lower.And condensate liquid enters inner helix pipe through water inlet pipe
In, then from inner helix pipe outer spiral tube is flowed to, it is most discharged afterwards through outlet pipe, there is inner helix pipe to the central part of boil-off gas
Good cooling effect, outer spiral tube have good cooling effect to the perimeter of boil-off gas, make the cooling tube pair
Boil-off gas in condenser pipe has good cooling condensation effect, is conducive to the Rotary Evaporators to the reagent in cucurbit
Play good distilling effect.
Further, the condenser pipe is provided with baffle close to one end of the air inlet pipe, and collection is provided on the baffle
Stomata, and the screw diameter of the inner helix pipe is less than the diameter of the gas collection hole.
Through the above technical solutions, the boil-off gas in cucurbit is discharged through air inlet pipe, using the rising principle of thermal current,
Enter boil-off gas in condenser pipe to be cooled down, gas collection hole is conducive to that boil-off gas is made to concentrate rising, and keeps boil-off gas first
It is first contacted with inner helix pipe, so that boil-off gas is rapidly cooled down liquefaction, be conducive to condenser pipe and boil-off gas is played well
Condensation effect, making the Rotary Evaporators integrally has good distilling effect.
Further, the gas collection hole along its circumferential direction be provided with annular drainage plate, and the short transverse of drainage plate with it is interior
The short transverse of helix tube is parallel.
Through the above technical solutions, drainage plate has good guiding function to boil-off gas, boil-off gas is through drainage plate
When entering in condenser pipe, keep the ascent direction of boil-off gas consistent with the length direction of inner helix pipe, favorably and boil-off gas
Body comes into full contact with cooling tube, and cooling tube is made to play good cooling effect to boil-off gas, makes the Rotary Evaporators to steaming
It evaporates the reagent in bottle and plays good distilling effect.
Further, the baffle is obliquely installed close to one end of gas collection hole towards drain pipe, and the gas collection hole is straight
Diameter is greater than the diameter of drain pipe.
Through the above technical solutions, the baffle being obliquely installed is conducive to make the liquid in condenser pipe quickly to flow into receiving flask
In, be conducive to the distillation efficiency for improving Rotary Evaporators.And the liquid on baffle is when flowing down or drip from gas collection hole, liquid from
It is flowed into receiving flask on the inner sidewall of drain pipe, avoids liquid drippage that the liquid in receiving flask is damaged or caused to receiving flask
It splashes, keeps Rotary Evaporators with good stability at runtime.
Further, the outer wall of the condenser pipe has been provided with the heat radiation material layer of heat spreading function.
Through the above technical solutions, heat radiation material layer has good heat dissipation effect, have to the boil-off gas in condenser pipe
There is good heat spreading function, be conducive to the boil-off gas in condenser pipe and quickly cool down liquefaction, improve the condensation efficiency of condenser pipe,
Make the Rotary Evaporators that there is good distilling effect.
Further, cavity is provided in the heat radiation material layer, the both ends of the cavity along its length are set respectively
It is equipped with blast pipe and discharge pipe.
Through the above technical solutions, blast pipe and discharge pipe are conducive to accelerate the flowing of gas in cavity, make heat sink material
Layer is whole to have good heat dissipation effect, optimization, and blast pipe or discharge pipe can be connected to blower, accelerates the stream of air in cavity
Speed.Meanwhile cavity makes heat radiation material layer integrally and has good buffer function, has heat radiation material layer to condenser pipe good
Protective effect.
Further, multiple flexible connectors worked as a buffer are provided in the cavity.
Through the above technical solutions, flexible connector has good buffer function, entering condenser pipe in boil-off gas
When, the air pressure in condenser pipe can change, and avoid causing condenser pipe to damage because condenser pipe vibration amplitude is larger, make described
Rotary Evaporators are with good stability at runtime and distilling effect.
Further, it is provided with pressure reducing valve on the side wall of the condenser pipe along its length, be arranged on the pressure reducing valve
There are exhaust pipe, and the airintake direction setting of air inlet pipe described in the exhaust pipe face.
Through the above technical solutions, the pressure reducing valve is conducive to adjust the air pressure in condenser pipe, make the evaporation in cucurbit
Gas quickly moves in condenser pipe, meanwhile, be conducive to make the liquid in condenser pipe after cooling down quickly to flow into collection
In bottle, be conducive to the distillation efficiency for improving the Rotary Evaporators, make Rotary Evaporators that there is good evaporation effect.
Compared with prior art, the beneficial effects of the utility model are as follows:
(1) by being provided with cooling tube in condenser pipe, cooling tube includes outer spiral tube and inner helix pipe, and inner helix pipe leans on
One end of nearly receiving flask is provided with water inlet pipe, and outer spiral tube is provided with outlet pipe close to one end of receiving flask.So set, interior spiral shell
Coil has good cooling effect to the central part of boil-off gas, and outer spiral tube has the perimeter of boil-off gas good
Cooling effect, make the cooling tube that there is good cooling condensation effect to the boil-off gas in condenser pipe, be conducive to described
Rotary Evaporators play good distilling effect to the reagent in cucurbit;
(2) by being provided with baffle close to one end of air inlet pipe in condenser pipe, gas collection hole, gas collection hole edge are provided on baffle
Its circumferential direction is provided with the drainage plate of annular.Rise so set, gas collection hole is conducive to make boil-off gas to concentrate, drainage plate and makes to steam
It gets angry the central part of body and inner helix pipe comes into full contact with, so that boil-off gas is rapidly cooled down liquefaction, be conducive to condenser pipe to evaporation
Gas plays good condensation effect, and making the Rotary Evaporators integrally has good distilling effect;
(3) it has been provided with the heat radiation material layer of heat spreading function by the outer wall in condenser pipe, has been provided in heat radiation material layer
Cavity, the both ends of cavity along its length are respectively arranged with blast pipe and discharge pipe.So set, blast pipe and discharge pipe have
Conducive to the flowing for accelerating gas in cavity, making heat radiation material layer integrally has good heat dissipation effect, to the evaporation in condenser pipe
Gas has good heat spreading function, improves the condensation efficiency of condenser pipe, imitates the Rotary Evaporators with good distillation
Fruit.
Detailed description of the invention
Fig. 1 is the overall schematic of the utility model；
Fig. 2 is the partial cutaway schematic of the utility model；
Fig. 3 is the enlarged diagram in the portion A in Fig. 2.
Appended drawing reference: 1, pedestal；2, oil bath pan；3, cucurbit；4, bracket；5, anti-return casing；6, condenser pipe；7, cooling
Pipe；8, water inlet pipe；9, outlet pipe；10, air inlet pipe；11, driving motor；12, drain pipe；13, receiving flask；14, baffle；15, collect
Stomata；16, drainage plate；17, heat radiation material layer；18, cavity；19, blast pipe；20, discharge pipe；21, flexible connector；22, subtract
Pressure valve；23, exhaust pipe；24, revoling tube；71, inner helix pipe；72, outer spiral tube.
Specific embodiment
Below with reference to examples and drawings, the utility model is described in further detail, but the implementation of the utility model
Mode is not limited only to this.
As depicted in figs. 1 and 2, a kind of Rotary Evaporators comprising pedestal 1 in a rectangular parallelepiped shape is provided with oil on pedestal 1
Bath 2, the placing groove for placing oil plant is provided in oil bath pan 2, and placing groove is cylindrical.It is additionally provided with bracket 4 on pedestal 1, props up
Frame 4 is provided with driving motor 11, and one end of driving motor 11 is provided with the revoling tube 24 that can be driven, and revoling tube 24 is close to oil
One end of bath 2 is obliquely installed towards pedestal 1.Revoling tube 24 is connected with anti-return casing 5 close to one end of oil bath pan 2, prevents
Reflux casing 5 is connected with cucurbit 3 far from one end of revoling tube 24, and cucurbit 3 is round-bottomed flask.
Revoling tube 24 is provided with cylindrical condenser pipe 6 far from one end of oil bath pan 2, and condenser pipe 6 is close to pedestal 1
One end is provided with drain pipe 12, receiving flask 13 is connected on drain pipe 12, receiving flask 13 selects round-bottomed flask, and condenser pipe 6 leans on
It is provided with air inlet pipe 10 on the side wall of nearly 12 one end of drain pipe, air inlet pipe 10 is connected with revoling tube 24.
Spiral cooling tube 7 is provided in condenser pipe 6, cooling tube 7 is cylindrical, and cooling tube 7 includes outer spiral tube
72 and inner helix pipe 71, and inner helix pipe 71 is arranged close to the center of condenser pipe 6, center of the outer spiral tube 72 far from condenser pipe 6
Setting.Condenser pipe 6 is provided with cylindrical water inlet pipe 8 and outlet pipe 9, water inlet pipe 8 and interior spiral shell close to one end of receiving flask 13
Coil 71 is connected, and outlet pipe 9 is connected with outer spiral tube 72.
Condenser pipe 6 is provided with circular baffle 14 close to one end of air inlet pipe 10, is provided with circle at the center of baffle 14
Gas collection hole 15, and the diameter of inner helix pipe 71 is less than the diameter of gas collection hole 15, and baffle 14 and condenser pipe 6 are integrally formed, baffle
14 have one section to be arranged towards drain pipe 12 close to gas collection hole 15.Gas collection hole 15 is provided with the drainage plate 16 of annular along its circumferential direction,
Drainage plate 16 is cylindrical and is arranged towards one end of drain pipe 12, the short transverse of drainage plate 16 and the height of inner helix pipe 71
Direction is parallel.The diameter of gas collection hole 15 is greater than the diameter of drain pipe 12.
The outer wall of condenser pipe 6 includes the heat radiation material layer 17 for being provided with heat spreading function, it is preferred that in heat radiation material layer 17
Material selection aluminium oxide heat conductive rubber.The inside of heat radiation material layer 17 is provided with the cavity 18 of annular along its short transverse, empty
Chamber 18 is provided with blast pipe 19 close to one end of receiving flask 13, and cavity 18 is provided with discharge pipe 20 far from one end of blast pipe 19.
It is provided with pressure reducing valve 22 on the side wall of condenser pipe 6 along its length, exhaust pipe 23 is provided on pressure reducing valve 22, arranges
Tracheae 23 protrudes into condenser pipe 6, and the airintake direction setting of 23 face air inlet pipe 10 of exhaust pipe.
As shown in figure 3, cavity 18 is internally provided with multiple flexible connectors 21, it is preferred that flexible connector 21 is selected
Spring, for the length direction of spring perpendicular to the length direction of condenser pipe 6, the both ends of spring along its length are connected to sky respectively
On the two sidewalls of chamber 18 along its length.
The working principle and beneficial effect of the utility model is as follows:
Reagent in cucurbit 3 is after the heating of oil bath pan 2, and the gas of evaporation is during being transported to condenser pipe 6, boil-off gas
The central temperature of body is higher, and ambient temperature is lower.And condensate liquid enters in inner helix pipe 71 through water inlet pipe 8, then from inside spin
Pipe 71 flows to outer spiral tube 72, is most discharged afterwards through outlet pipe 9, and the boil-off gas that exhaust pipe 23 is discharged enters cold by gas collection hole 15
In solidifying pipe 6, for boil-off gas under the common cooling effect of cooling tube 7 and heat radiation material layer 17, rapid cooling liquid is in liquid, liquid
Body enters in receiving flask 13 through drain pipe 12.Inner helix pipe 71 has good cooling effect to the central part of boil-off gas, outside
Helix tube 72 has good cooling effect to the perimeter of boil-off gas, and flowed in heat radiation material layer 17 and cavity 18
Air-flow has good heat spreading function to the boil-off gas in condenser pipe 6, improves the condensation efficiency of condenser pipe 6, makes the cooling
Pipe 7 has good cooling condensation effect to the boil-off gas in condenser pipe 6, is conducive to Rotary Evaporators in cucurbit 3
Reagent plays good distilling effect.
The above is only the preferred embodiment of the utility model, and the protection scope of the utility model is not limited merely to
Above-described embodiment, technical solution belonging to the idea of the present invention belong to the protection scope of the utility model.It should refer to
Out, for those skilled in the art, it is without departing from the principle of the utility model it is several improvement and
Retouching, these improvements and modifications also should be regarded as the protection scope of the utility model.
Claims (8)
1. a kind of Rotary Evaporators, including pedestal (1), it is provided with oil bath pan (2) on the pedestal (1), setting in oil bath pan (2)
Have cucurbit (3), be additionally provided with bracket (4) on the pedestal (1), control cucurbit (3) rotation is provided on the bracket (4)
Driving motor (11), be additionally provided with anti-return casing (5) on the cucurbit (3), be provided with and distill on the bracket (4)
The condenser pipe (6) that bottle (3) is connected, one end of the condenser pipe (6) are provided with receiving flask (13), which is characterized in that described cold
It is provided with cooling tube (7) in solidifying pipe (6), the cooling tube (7) includes outer spiral tube (72) and inner helix pipe (71), the interior spiral shell
Coil (71) is provided with water inlet pipe (8) close to the one end of receiving flask (13), and the outer spiral tube (72) is close to receiving flask (13)
One end is provided with outlet pipe (9), and the condenser pipe (6) is provided with drain pipe (12) close to the one end of outlet pipe (9), and described cold
Solidifying pipe (6) is provided with air inlet pipe (10) on the side wall of drain pipe (12) one end.
2. Rotary Evaporators according to claim 1, which is characterized in that the condenser pipe (6) is close to the air inlet pipe
(10) one end is provided with baffle (14), is provided with gas collection hole (15) on the baffle (14), and the inner helix pipe (71)
Screw diameter is less than the diameter of the gas collection hole (15).
3. Rotary Evaporators according to claim 2, which is characterized in that the gas collection hole (15) is provided with ring along its circumferential direction
The drainage plate (16) of shape, and the short transverse of drainage plate (16) is parallel with the short transverse of inner helix pipe (71).
4. Rotary Evaporators according to claim 2, which is characterized in that the baffle (14) is close to the gas collection hole (15)
One end be obliquely installed towards drain pipe (12), and the diameter of the gas collection hole (15) be greater than drain pipe (12) diameter.
5. Rotary Evaporators according to claim 1, which is characterized in that the outer wall of the condenser pipe (6), which has been provided with, to be dissipated
The heat radiation material layer (17) of heat effect.
6. Rotary Evaporators according to claim 5, which is characterized in that be provided with cavity in the heat radiation material layer (17)
(18), the both ends of the cavity (18) along its length are respectively arranged with blast pipe (19) and discharge pipe (20).
7. Rotary Evaporators according to claim 6, which is characterized in that be provided with multiple bufferings in the cavity (18)
The flexible connector (21) of effect.
8. Rotary Evaporators according to claim 1, which is characterized in that the side of the condenser pipe (6) along its length
It is provided on wall pressure reducing valve (22), is provided with exhaust pipe (23) on the pressure reducing valve (22), and the exhaust pipe (23) face institute
State the airintake direction setting of air inlet pipe (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820759703.6U CN208448678U (en) | 2018-05-21 | 2018-05-21 | A kind of Rotary Evaporators |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820759703.6U CN208448678U (en) | 2018-05-21 | 2018-05-21 | A kind of Rotary Evaporators |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208448678U true CN208448678U (en) | 2019-02-01 |
Family
ID=65149895
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820759703.6U Active CN208448678U (en) | 2018-05-21 | 2018-05-21 | A kind of Rotary Evaporators |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208448678U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113171626A (en) * | 2021-03-22 | 2021-07-27 | 重庆赛维药业有限公司 | Preparation facilities of pregabalin intermediate compound |
-
2018
- 2018-05-21 CN CN201820759703.6U patent/CN208448678U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113171626A (en) * | 2021-03-22 | 2021-07-27 | 重庆赛维药业有限公司 | Preparation facilities of pregabalin intermediate compound |
| CN113171626B (en) * | 2021-03-22 | 2022-07-26 | 重庆赛维药业有限公司 | Preparation facilities of pregabalin intermediate compound |
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