CN211383853U - Continuous collection device of vacuum rotary evaporator waste liquid - Google Patents
Continuous collection device of vacuum rotary evaporator waste liquid Download PDFInfo
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- CN211383853U CN211383853U CN201922435694.2U CN201922435694U CN211383853U CN 211383853 U CN211383853 U CN 211383853U CN 201922435694 U CN201922435694 U CN 201922435694U CN 211383853 U CN211383853 U CN 211383853U
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- rotary evaporator
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Abstract
The utility model relates to a waste liquid continuous collecting device of a vacuum rotary evaporator, which comprises a waste liquid pump, a waste liquid collecting pipe and a liquid discharging pipe; a liquid outlet is formed in the distillation flask of the rotary evaporator on the symmetrical side of a distillation tube, a sealing bearing is mounted on the liquid outlet, the liquid outlet tube extends into the distillation flask through the sealing bearing, so that the liquid outlet tube and the liquid outlet form shaft sealing connection, and the tail end of the liquid outlet tube is positioned at the bottom of the distillation flask; the waste liquid collecting pipe extends into a heating pot of the rotary evaporator and is in sealed butt joint with the liquid discharge pipe, the other end of the waste liquid collecting pipe is connected with the waste liquid pump and used for pumping out waste liquid in the distillation flask, the continuous collection of the waste liquid in the distillation flask can be realized, the operation can be completed without taking out the distillation flask, and therefore the continuous distillation of the evaporator can be realized.
Description
Technical Field
The utility model relates to a rotatory evaporimeter field, concretely relates to vacuum rotatory evaporimeter waste liquid continuous collection device.
Background
A rotary evaporator, also called a rotary evaporator, is common laboratory equipment, consists of a motor, a distillation flask, a heating pot, a condenser pipe and the like, is mainly used for continuously distilling volatile solvents under a reduced pressure condition, and is applied to the fields of chemistry, chemical engineering, biological medicine and the like. The flask was rotated at a constant speed at the optimum speed to increase the evaporation area by electronic control. The evaporation flask was brought to a negative pressure by a vacuum pump. The evaporation flask is rotated and placed in a water bath kettle for constant temperature heating, and the solution in the flask is heated, diffused and evaporated in the rotating flask under negative pressure. The rotary evaporator system can be sealed and decompressed to 400-600 mm Hg, the solvent in the distillation flask is heated by a heating bath, the heating temperature can be close to the boiling point of the solvent, and meanwhile, the rotary evaporator system can also rotate at the speed of 50-160 rpm, so that the solvent forms a thin film, and the evaporation area is increased. In addition, under the action of the high-efficiency cooler, the hot steam can be quickly liquefied, and the evaporation rate is increased.
The prior art has the following disadvantages: after each distillation of the distillation flask is finished, the distillation flask needs to be taken out after stopping heating, and then secondary distillation can be carried out after waste liquid in the distillation flask is removed, so that continuous distillation cannot be realized.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art not enough, provide a vacuum rotary evaporator waste liquid continuous collection device, can realize that the waste liquid of distillation flask is collected in succession, need not to take out the distillation flask and can accomplish this operation to guarantee that the evaporimeter can realize continuous distillation.
The purpose of the utility model is realized through the following technical scheme:
a waste liquid continuous collecting device of a vacuum rotary evaporator comprises a waste liquid pump, a waste liquid collecting pipe and a liquid discharging pipe;
a liquid outlet is formed in the distillation flask of the rotary evaporator on the symmetrical side of a distillation tube, a sealing bearing is mounted on the liquid outlet, the liquid outlet tube extends into the distillation flask through the sealing bearing, so that the liquid outlet tube and the liquid outlet form shaft sealing connection, and the tail end of the liquid outlet tube is positioned at the bottom of the distillation flask;
the waste liquid collecting pipe extends into a heating pot of the rotary evaporator and is in sealed butt joint with the liquid discharge pipe, and the other end of the waste liquid collecting pipe is connected with the waste liquid pump and used for pumping out waste liquid in the distillation flask.
The utility model discloses this scheme utilizes the retort to wind the pivoted principle of distillation column, sets up the opening symmetrical with the distillation column on the retort, makes it be in on the axis of rotation, then goes deep into the distillation column with the fluid-discharge tube through the shaft seal in to distillation process just can utilize waste liquid pump and fluid-discharge tube to pump out the waste liquid, thereby accomplish the waste liquid and collect in succession.
Further, the other end of the waste liquid pump sends the waste liquid away through a pipeline.
Furthermore, the liquid discharge pipe is made of a shape memory material, and the shape of the liquid discharge pipe is designed to be L-shaped, so that the liquid discharge pipe extends into the distillation flask, and the tail end of the liquid discharge pipe is positioned at the bottom of the distillation flask. The design is memory material, which not only ensures that the drain pipe can be easily inserted, but also ensures that the tail end of the drain pipe is always positioned at the bottom of the distillation flask.
Furthermore, a sealing sleeve is arranged at the joint of the waste liquid collecting pipe and the liquid discharge pipe, and the sealing sleeve is fixedly connected with one of the liquid collecting pipe and the liquid discharge pipe. The end of one of the waste liquid collecting pipe and the liquid discharge pipe is equivalently provided with a wide-mouth section for sealing and sleeving.
Furthermore, the liquid outlet is a concave opening, and the concave design can ensure that the rotation of the distillation flask is not influenced.
Further, the waste liquid pump is fixed on a base of the rotary evaporator.
The utility model has the advantages that: compare with traditional retort, this scheme sets up the leakage fluid dram on retort pivoted axis, stretches into a memory hose in the retort, then utilizes the waste liquid pump can be discharged the waste liquid, because whole operation need not to pull down the retort, has consequently accomplished the effect that the waste liquid was collected in succession.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
The technical solution of the present invention is described in further detail below with reference to the accompanying drawings, but the scope of the present invention is not limited to the following description.
As shown in figure 1, the continuous waste liquid collecting device for the vacuum rotary evaporator is mainly used for the current mainstream evaporators, and the scheme mainly relates to the improvement of a distillation flask 8 and a base 7 of the original evaporator, and in some embodiments, also relates to the improvement of a heating pot 6. The specific scheme is as follows, in this scheme, newly-increased part waste liquid pump 1, waste liquid collecting pipe 2 and fluid-discharge tube 3. The distillation flask 8 of the rotary evaporator is provided with a liquid discharge port 10 on the symmetrical side of the distillation tube 9, and the structure thereof is shown in fig. 1 such that the distillation tube 9 and the liquid discharge port 10 are located on the rotation axis of the distillation flask 8. A sealing bearing 4 is arranged at the liquid outlet 10, the liquid outlet pipe 3 extends into the distillation flask 8 from the sealing bearing 4, so that the liquid outlet pipe 3 and the liquid outlet 10 form shaft sealing connection, and the tail end of the liquid outlet pipe 3 is positioned at the bottom of the distillation flask 8; in order to facilitate the insertion of the drainage tube 3 and to keep its end at the bottom of the flask 8, the drainage tube 3 is made of a flexible shape memory material, such as rubber, and is designed in an "L" shape so that the drainage tube 3 extends into the flask 8 and its end is at the bottom of the flask 8. The waste liquid collecting pipe 2 extends into a heating pot 6 of the rotary evaporator and is in sealed butt joint with the liquid discharge pipe 3, and the other end of the waste liquid collecting pipe 2 is connected with the waste liquid pump 1 and used for pumping out waste liquid in the distillation flask 8. The other end of the waste liquid pump 1 sends the waste liquid away through a pipe 11. A sealing sleeve 5 is arranged at the butt joint of the waste liquid collecting pipe 2 and the liquid discharge pipe 3, and the sealing sleeve 5 is fixedly connected with one of the liquid collecting pipe 2 and the liquid discharge pipe 3. The liquid discharge port 10 is a concave opening. The waste liquid pump 1 is fixed to the base 7 of the rotary evaporator.
The waste liquid collecting pipe 2 is installed in two ways, one way is that the waste liquid collecting pipe is directly extended from the pot mouth of the heating pot 6 and then fixed at the pot bottom, the other way is that the heating pot 6 is improved, the structure of the waste liquid collecting pipe can refer to figure 1, a channel is arranged on the side face of the heating pot 6, then the waste liquid collecting pipe 2 is inserted, and a sealing structure is formed, so that the waste liquid collecting pipe 2 and the liquid discharge pipe 3 are in sealing butt joint.
The foregoing is merely a preferred embodiment of the invention, it is to be understood that the invention is not limited to the forms disclosed herein, but is not intended to be exhaustive or to limit the invention to other embodiments, and to various other combinations, modifications, and environments and may be modified within the scope of the inventive concept as described herein by the teachings or the skill or knowledge of the relevant art. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.
Claims (6)
1. A waste liquid continuous collecting device of a vacuum rotary evaporator is characterized by comprising a waste liquid pump (1), a waste liquid collecting pipe (2) and a liquid discharging pipe (3);
a liquor drainage port (10) is formed in a distillation flask (8) of the rotary evaporator on the symmetrical side of a distillation tube (9), a sealing bearing (4) is installed on the liquor drainage port (10), the liquor drainage tube (3) extends into the distillation flask (8) through the sealing bearing (4), so that the liquor drainage tube (3) and the liquor drainage port (10) form shaft sealing connection, and the tail end of the liquor drainage tube (3) is positioned at the bottom of the distillation flask (8);
the waste liquid collecting pipe (2) extends into a heating pot (6) of the rotary evaporator and is in sealed butt joint with the liquid discharge pipe (3), and the other end of the waste liquid collecting pipe (2) is connected with the waste liquid pump (1) and used for pumping out waste liquid in the distillation flask (8).
2. A vacuum rotary evaporator waste liquid continuous collection device according to claim 1, characterized in that the waste liquid pump (1) is arranged at the other end thereof to send the waste liquid away through a pipe (11).
3. A vacuum rotary evaporator waste liquid continuous collection device according to claim 1, characterized in that the liquid discharge pipe (3) is made of shape memory material, and the shape thereof is designed to be "L" shape, so that the liquid discharge pipe (3) extends into the distillation flask (8) and the tail end thereof is positioned at the bottom of the distillation flask (8).
4. A waste liquid continuous collecting device for a vacuum rotary evaporator according to claim 3, characterized in that a sealing sleeve (5) is arranged at the joint of the waste liquid collecting pipe (2) and the liquid discharging pipe (3), and the sealing sleeve (5) is fixedly connected with one of the liquid collecting pipe (2) and the liquid discharging pipe (3).
5. A continuous waste liquid collecting device of a vacuum rotary evaporator according to claim 4, characterized in that the liquid outlet (10) is a concave opening.
6. A vacuum rotary evaporator waste liquid continuous collection device according to claim 1, characterized in that the waste liquid pump (1) is fixed on the base (7) of the rotary evaporator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922435694.2U CN211383853U (en) | 2019-12-30 | 2019-12-30 | Continuous collection device of vacuum rotary evaporator waste liquid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922435694.2U CN211383853U (en) | 2019-12-30 | 2019-12-30 | Continuous collection device of vacuum rotary evaporator waste liquid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211383853U true CN211383853U (en) | 2020-09-01 |
Family
ID=72206202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922435694.2U Active CN211383853U (en) | 2019-12-30 | 2019-12-30 | Continuous collection device of vacuum rotary evaporator waste liquid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211383853U (en) |
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2019
- 2019-12-30 CN CN201922435694.2U patent/CN211383853U/en active Active
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