CN212881097U

CN212881097U - Rotary evaporator

Info

Publication number: CN212881097U
Application number: CN202021362488.XU
Authority: CN
Inventors: 邹湘蕾
Original assignee: Nanjing Hangxu Electromechanical Equipment Co ltd
Current assignee: Nanjing Hangxu Electromechanical Equipment Co ltd
Priority date: 2020-07-13
Filing date: 2020-07-13
Publication date: 2021-04-06
Anticipated expiration: 2030-07-13

Abstract

The utility model discloses a rotary evaporator relates to the chemical instrumentation field, and for solving the current rotatory bottle among the prior art in the distillation process, heating efficiency is general, the not enough even problem of moisture. The heater is installed to the top of base, the water bath is installed to the top of heater, bubble generator is all installed to the both sides of water bath, the baffle is installed to the top of water bath, the upper end of heater is provided with resistance heating circle, the bubble export is installed to bubble generator's inboard, the switch is installed to the preceding terminal surface of water bath, pneumatic cylinder is installed to one side of base, the stand pipe is installed to the top of pneumatic cylinder, electric motor is installed to the top of stand pipe, flexible pipe is installed to one side of stand pipe, the condenser is installed to one side of stand pipe, the one end of condenser is provided with the connecting pipe, the other end of condenser is provided with the filling tube, just the inside of condenser is provided with the condenser pipe.

Description

Rotary evaporator

Technical Field

The utility model relates to a chemical instrumentation technical field specifically is a rotary evaporator.

Background

A rotary evaporator, also called as rotary evaporator, is a common laboratory equipment, composed of a motor, a distillation flask, a heating pot, a condenser tube and the like, mainly used for continuously distilling volatile solvents under reduced pressure, applied to the fields of chemistry, chemical industry, biological medicine and the like, the distillation flask is an eggplant-shaped or round-bottom flask with a standard ground port interface, and is connected with a reduced pressure pump through a high-reflux snake-shaped condenser tube, the other opening of the reflux condenser tube is connected with a receiving flask with a ground port for receiving the evaporated organic solvent, a three-way piston is arranged between the condenser tube and the reduced pressure pump, when the system is communicated with the atmosphere, the distillation flask, the receiving flask can be taken down, the solvent is transferred, when the system is communicated with the reduced pressure pump, the system is in a reduced pressure state,

when the rotary evaporator is used, pressure is reduced firstly, then a motor is started to rotate the distillation flask, when the rotary evaporator is finished, the rotary evaporator is stopped firstly and then is communicated with the atmosphere to prevent the distillation flask from falling off in the rotation, the distillation flask is used as a heat source for distillation and is usually provided with a corresponding constant-temperature water tank, when the rotary evaporator is operated, the working strength of a vacuum pump or the temperature of a heating pot can be carefully adjusted to prevent boiling in the uniform mixing stage of the distillation process, or anti-boiling particles can be added into a sample, and for the samples which are particularly difficult to distill and comprise the samples which are easy to generate foam, a special condensation pipe can be also arranged on the rotary evaporator, but in the distillation process of the existing rotary bottle, the heating efficiency is general, and the; therefore, the market is urgently in need of developing a rotary evaporator to help people to solve the existing problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a rotary evaporator to solve the current rotatory bottle that proposes in the above-mentioned background art in the distillation process, heating efficiency is general, the not enough even problem of moisture.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a rotary evaporator, includes the base, the heater is installed to the top of base, the water bath is installed to the top of heater, bubble generator is all installed to the both sides of water bath, bubble generator extends to the water bath inside with water bath sealing connection, the baffle is installed to the top of water bath, one side of baffle is provided with the breach, and breach and baffle set up structure as an organic whole.

Preferably, the upper end of heater is provided with resistance heating circle, resistance heating circle extends to inside and the water bath fixed connection of water bath, bubble outlet is installed to bubble generator's inboard, the bubble outlet is provided with six, the switch is installed to the preceding terminal surface of water bath.

Preferably, a pneumatic cylinder is installed on one side of the base, a guide pipe is installed above the pneumatic cylinder, an electric motor is installed above the guide pipe, a telescopic pipe is installed on one side of the guide pipe, the telescopic pipe extends into the guide pipe and is rotatably connected with the guide pipe through a shaft sleeve, and the lower end of the electric motor extends into the guide pipe and is connected with the telescopic pipe in a meshed mode through a bevel gear.

Preferably, the condenser is installed to one side of stand pipe, the one end of condenser is provided with the connecting pipe, and the connecting pipe sets up structure as an organic whole with the condenser, and the connecting pipe passes through sealing washer sealing connection with the stand pipe, the other end of condenser is provided with the filling tube, the filling tube sets up structure as an organic whole with the condenser, just the valve body is installed to one side of filling tube, just the inside of condenser is provided with the condenser pipe.

Preferably, the filter is installed to the lower extreme of condenser, filter and condenser sealing connection, just the material receiving bottle is installed to the below of filter, install the bottle between material receiving bottle and the filter and press from both sides, just material receiving bottle passes through bottle clamp and filter fixed connection.

Preferably, the inside of filter is provided with the filter, the filter is provided with two, and two the inclination of filter all sets up to fifteen degrees, just the guide rail is installed to one side of filter, guide rail and filter fixed connection, just the filter passes through guide rail and filter sliding connection.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a setting through bubble generator, behind the inside water of heating water bath, accessible bubble generator adds gas to hot water, spout the bubble through the rotatory bottle of bubble export to the inside centre of water bath, make hot water wholly receive gas and shake, thereby hot water contacts whole rotatory bottle surface, make rotatory bottle in the distillation process, the heating efficiency is improved, and make whole surface at rotatory in-process, all can fully contact with hot water, the improvement operating mass, and because of the moisture that the bubble splashes and jets out, the outside baffle of accessible shelters from, it is outside to avoid sputtering the water bath, and the breach of baffle one side can conveniently be fixed by flexible pipe, high durability and convenient use, the operation of being convenient for.

2. The utility model discloses a through the setting of filter, liquid under the distillation falls into the filter through the condenser inside, can conveniently completely cut off the remaining impurity of liquid through the inside filter of filter for receive the inside more accurate purer of material bottle, and the accessible guide rail is convenient with filter installation and dismantlement, the washing of being convenient for, the follow-up use of being convenient for.

Drawings

Fig. 1 is a front view of a rotary evaporator of the present invention;

FIG. 2 is a top view of the water bath according to the present invention;

fig. 3 is an internal structure view of the filter of the present invention.

In the figure: 1. a base; 2. a heater; 3. a water bath kettle; 4. a baffle plate; 5. a bubble generator; 6. a switch; 7. a pneumatic cylinder; 8. a guide tube; 9. an electric motor; 10. a telescopic pipe; 11. a condenser; 12. a condenser tube; 13. a feed tube; 14. a filter; 15. a material receiving bottle; 16. a bottle clamp; 17. a bubble outlet; 18. a resistance heating coil; 19. a filter plate; 20. a guide rail.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, the present invention provides an embodiment: the utility model provides a rotary evaporator, which comprises a base 1, heater 2 is installed to base 1's top, water bath 3 is installed to heater 2's top, bubble generator 5 is all installed to water bath 3's both sides, bubble generator 5 extends to 3 inside and 3 sealing connection of water bath, baffle 4 is installed to water bath 3's top, one side of baffle 4 is provided with the breach, and breach and baffle 4 set up structure as an organic whole, spout the bubble through bubble outlet 17 to the rotatory bottle in the middle of water bath 3 is inside, make hot water wholly receive gas and shake, thereby hot water contacts whole rotatory bottle surface, make rotatory bottle in distillation process, improve heating efficiency, and make whole surface at rotatory in-process, all can fully contact with hot water.

Further, the upper end of the heater 2 is provided with a resistance heating ring 18, the resistance heating ring 18 extends into the water bath 3 and is fixedly connected with the water bath 3, the bubble outlet 17 is installed on the inner side of the bubble generator 5, the number of the bubble outlet 17 is six, the switch 6 is installed on the front end face of the water bath 3, hot water in the water bath 3 is heated through the resistance heating ring 18, and the rotary bottle is distilled.

Further, pneumatic cylinder 7 is installed to one side of base 1, the stand pipe 8 is installed to the top of pneumatic cylinder 7, electric motor 9 is installed to the top of stand pipe 8, flexible pipe 10 is installed to one side of stand pipe 8, flexible pipe 10 extends to the stand pipe 8 inside and is connected through the axle sleeve rotation with stand pipe 8, electric motor 9's lower extreme extends to stand pipe 8 inside and is connected through bevel gear and flexible pipe 10 meshing, drive flexible pipe 10 through electric motor 9 and rotate, make the rotatory bottle rotate.

Further, condenser 11 is installed to one side of stand pipe 8, the one end of condenser 11 is provided with the connecting pipe, and the connecting pipe sets up structure as an organic whole with condenser 11, and the connecting pipe passes through sealing washer sealing connection with stand pipe 8, the other end of condenser 11 is provided with filling tube 13, filling tube 13 sets up structure as an organic whole with condenser 11, and the valve body is installed to one side of filling tube 13, and the inside of condenser 11 is provided with condenser pipe 12, the moisture of evaporation is gone into inside condenser 11, carry out the condensate into, accessible filling tube 13 feeds in raw material.

Further, a filter 14 is installed at the lower end of the condenser 11, the filter 14 is connected with the condenser 11 in a sealing mode, a material receiving bottle 15 is installed below the filter 14, a bottle clamp 16 is installed between the material receiving bottle 15 and the filter 14, the material receiving bottle 15 is fixedly connected with the filter 14 through the bottle clamp 16, and liquid under distillation falls into the filter 14 through the condenser 11.

Further, the inside of filter 14 is provided with filter 19, filter 19 is provided with two, and two filter 19's inclination all sets up to fifteen degrees, and guide rail 20 is installed to one side of filter 19,

guide rail

20 and 14 fixed connection of filter, and filter 19 passes through

guide rail

20 and 14 sliding connection of filter, filter 19 through the filter 14 inside can conveniently be isolated with the remaining impurity of liquid, make the inside liquid of material receiving bottle 15 more pure, and accessible guide rail 20 conveniently installs and dismantles filter 19, be convenient for wash.

The working principle is as follows: when the device is used, hot water in the water bath kettle 3 is heated through the resistance heating ring 18, the rotating bottle is distilled, the switch 6 is opened, the electric motor 9 drives the telescopic pipe 10 to rotate, so that the rotating bottle rotates, after the water in the water bath kettle 3 is heated, gas can be added into the hot water through the bubble generator 5, bubbles are sprayed to the rotating bottle in the middle of the water bath kettle 3 through the bubble outlet 17, the whole hot water is shaken by the gas, the hot water is contacted with the surface of the whole rotating bottle, so that the heating efficiency of the rotating bottle is improved in the distillation process, the whole outer surface can be fully contacted with the hot water in the rotating process, the working quality is improved, water splashed by the bubbles can be shielded through the baffle 4 outside to avoid sputtering the outside of the water bath kettle 3, and the gap on one side of the baffle 4 can be convenient for the telescopic pipe 10 to fix, inside the evaporative moisture entered condenser 11, condensed into water, accessible filling tube 13 fed in raw material, the liquid under the distillation fell into filter 14 through condenser 11 inside, filter 19 through filter 14 inside can conveniently be isolated with the remaining impurity of liquid for the inside liquid of material receiving bottle 15 is more pure, and accessible guide rail 20 is convenient with filter 19 installation and dismantlement.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A rotary evaporator, comprising a base (1), characterized in that: heater (2) are installed to the top of base (1), water bath (3) are installed to the top of heater (2), bubble generator (5) are all installed to the both sides of water bath (3), bubble generator (5) extend to water bath (3) inside and water bath (3) sealing connection, baffle (4) are installed to the top of water bath (3), one side of baffle (4) is provided with the breach, and breach and baffle (4) set up structure as an organic whole.

2. A rotary evaporator according to claim 1 wherein: the upper end of heater (2) is provided with resistance heating circle (18), resistance heating circle (18) extend to inside and water bath (3) fixed connection of water bath (3), bubble export (17) are installed to the inboard of bubble generator (5), bubble export (17) are provided with six, switch (6) are installed to the preceding terminal surface of water bath (3).

3. A rotary evaporator according to claim 1 wherein: pneumatic cylinder (7) are installed to one side of base (1), stand pipe (8) are installed to the top of pneumatic cylinder (7), electric motor (9) are installed to the top of stand pipe (8), flexible pipe (10) are installed to one side of stand pipe (8), flexible pipe (10) extend to stand pipe (8) inside and stand pipe (8) through the axle sleeve rotation be connected, the lower extreme of electric motor (9) extends to stand pipe (8) inside and is connected with flexible pipe (10) meshing through bevel gear.

4. A rotary evaporator according to claim 3 wherein: condenser (11) is installed to one side of stand pipe (8), the one end of condenser (11) is provided with the connecting pipe, and connecting pipe and condenser (11) set up structure as an organic whole, and connecting pipe and stand pipe (8) pass through sealing washer sealing connection, the other end of condenser (11) is provided with filling tube (13), filling tube (13) and condenser (11) set up structure as an organic whole, just the valve body is installed to one side of filling tube (13), just the inside of condenser (11) is provided with condenser pipe (12).

5. A rotary evaporator according to claim 4 wherein: filter (14) are installed to the lower extreme of condenser (11), filter (14) and condenser (11) sealing connection, just material receiving bottle (15) are installed to the below of filter (14), install bottle clamp (16) between material receiving bottle (15) and filter (14), just material receiving bottle (15) are through bottle clamp (16) and filter (14) fixed connection.

6. A rotary evaporator according to claim 5 wherein: the inside of filter (14) is provided with filter (19), filter (19) are provided with two, and two the inclination of filter (19) all sets up to fifteen degrees, just guide rail (20) are installed to one side of filter (19), guide rail (20) and filter (14) fixed connection, just filter (19) are through guide rail (20) and filter (14) sliding connection.