A rotary evaporation device convenient for sampling colloidal substances

Abstract

The present invention belongs to the field of extraction and sampling of liquids or colloids, and discloses a novel rotary evaporation device which is convenient for sampling colloidal substances, comprising a box body and a main body, wherein the main body is suspended above the box body, the main body is cylindrical, a motor is adapted to be provided inside the main body, interfaces at both ends of the main body are adapted to be provided with connecting pipes, one end of the main body is adapted to be connected to a four-way bottle through the connecting pipe, and the other end of the main body is adapted to be connected to a round bottle through the connecting pipe, a condensing device is adapted to be provided above the four-way bottle, a sampling device is adapted to be provided below the four-way bottle, an inflation device is adapted to be provided on one side of the sampling device, a column is adapted to be provided above the box body, and a supporting device is fixedly provided on one side of the column; the present invention solves the problem in the prior art that viscous colloidal substances in extracts cannot be quickly collected and are easily left in the device, causing waste, and is suitable for extraction and sampling of liquids or colloids in experimental research.

Description

Technical Field

[0001] The invention relates to the technical field of extraction and sampling of liquids or colloids, in particular to a rotary evaporation device which is convenient for sampling colloid substances. Background Art

[0002] A rotary evaporator primarily operates based on vacuum distillation technology. It consists of a motor, distillation flask, heating pot, condenser, and other components, and is widely used in chemistry, chemical engineering, biomedicine, and other fields. The instrument uses electronic control to rotate the distillation flask at a constant speed, increasing the evaporation area. A vacuum pump maintains a negative pressure in the evaporating flask, thereby reducing the boiling point of the solution and accelerating the evaporation rate. The evaporating flask is placed in a water bath for constant temperature heating, and the solution within the flask undergoes heating and diffusion evaporation under negative pressure and rotation. The rotary evaporator's evaporation system can be sealed and decompressed to 400 to 600 mmHg, with the heating temperature approaching the boiling point of the solvent. The high-efficiency condenser rapidly liquefies the hot vapor, accelerating the evaporation rate and preventing gas leakage, ensuring the airtightness of the device and the evaporation efficiency.

[0003] However, experimental research on rotary evaporation has not considered efficient sampling of viscous, colloidal substances. Laboratory researchers typically rely on waiting for the evaporated colloidal substance to fall freely from the eggplant-shaped flask or using other tools to sample it. Both methods result in a large amount of residue in the flask, resulting in a waste of resources and, if the required amount of material is large, a loss of experimental time.

[0004] Therefore, in order to address the problem that the evaporated substance is a viscous colloidal substance, a rotary evaporation system that facilitates the sampling of colloidal substances is proposed. This solves the problem in the existing technology that the viscous colloidal substance in the extract cannot be quickly collected and easily remains in the device, causing waste, making the experimental process more efficient and environmentally friendly. Summary of the Invention

[0005] The present invention aims to provide a rotary evaporation device that is convenient for sampling colloidal substances, so as to solve the problem in the prior art that the viscous colloidal substances in the extract cannot be quickly collected and are easily left in the device, causing waste.

[0006] To achieve the above-mentioned object, the present invention provides the following technical solution: a rotary evaporation device for facilitating the sampling of colloidal substances, comprising a box body and a main unit, the main unit being suspended above the box body, the main unit being cylindrical, a motor being adapted to be provided inside the main unit, connecting pipes being adapted to be provided at interfaces at both ends of the main unit, one end of the main unit being adapted to be connected to a four-way bottle via the connecting pipe, and the other end of the main unit being adapted to be connected to a round bottle via the connecting pipe, a condensing device being adapted to be provided above the four-way bottle, a sampling device being adapted to be provided below the four-way bottle, an inflating device being adapted to be provided on one side of the sampling device, a column being adapted to be provided above the box body, and a supporting device being fixed to one side of the column;

[0007] A four-way lower interface is fixedly provided at the bottom of the four-way bottle, and a four-way upper interface is fixedly provided at the top of the four-way bottle;

[0008] The condensing device includes a serpentine condenser tube adapted to be installed above the four-way bottle, a vacuum elbow is fixedly provided above the serpentine condenser tube, one end of the vacuum elbow is adapted to be provided with a vacuum port, the bottom of the serpentine condenser tube is adapted to be connected to the interface above the four-way bottle, and a cooling water outlet and a cooling water inlet are provided on the side of the serpentine condenser tube;

[0009] The sampling device includes a three-way eggplant-shaped bottle adapted to be installed below the four-way bottle. The three-way eggplant-shaped bottle has an upper opening on its upper surface and a lower opening on its lower surface. A rotating glass stopper is adapted to be provided on the inner wall of the upper opening. The upper opening is adapted to be fitted with the lower interface of the four-way bottle and connected via the rotating glass stopper. A silicone stopper is adapted to be provided in the lower opening. A three-way interface is provided on one side of the three-way eggplant-shaped bottle.

[0010] A plastic flask clip is adapted to be provided on the surface of the three-way eggplant-shaped bottle, and the plastic flask clip is installed at the connection between the lower interface of the four-way and the upper opening.

[0011] Furthermore, a display screen is adapted to be provided on one side of the box body, a heating key, a motor key, and a speed adjustment key are provided below the surface of the display screen, and an up key and a down key are provided on one side of the display screen.

[0012] Furthermore, a placement groove is provided on the surface of the box body, a stainless steel composite pot is provided inside the placement groove, a pressure sensor is provided under the stainless steel composite pot, the pressure sensor is fixedly installed in the placement groove, a transparent protective cover is adapted above the placement groove, and a water discharge gate is provided on one side of the box body.

[0013] Furthermore, the round bottle is suspended in the stainless steel composite pot.

[0014] Furthermore, a feeding valve is adapted to be provided on one side of the four-way bottle.

[0015] Furthermore, the inflation device includes a plastic shell, a series-excited motor is installed inside the shell, a circular ring is fixed on the top of the shell, an exhaust hole is adapted to be provided above the circular ring, an inflation hole is provided on the side of the circular ring, a pointed nozzle plug is adapted to be provided in the inflation hole, an inflation tube is adapted to be provided in the pointed nozzle plug, the inflation tube is adapted to be connected to the three-way interface, a hollow plate is provided at the bottom of the shell, a switch is provided on the side of the shell, and a wiring port is provided on the side of the shell, and the wiring port is connected to the power supply through a power adapter.

[0016] Furthermore, a threaded rod is provided in the column, a lifting handwheel is adapted to be provided above the threaded rod, and a lifting plate is provided on the threaded surface of the threaded rod.

[0017] Furthermore, the supporting device includes a supporting frame fixedly installed on one side of the lifting plate, a first bracket is fixedly provided on one side of the supporting frame, the first bracket is adapted to the outer wall of the serpentine condenser tube, and a second bracket is fixedly provided on one side of the supporting frame, the second bracket is adapted to the bottom of the serpentine condenser tube.

[0018] Preferably, the three-way eggplant-shaped bottle has three extended openings: an upper opening, a three-way interface, and a lower opening. The upper opening is connected to the lower interface of the four-way bottle, and the lower opening is plugged with a silicone plug. Providing multiple openings can avoid the experimenter from wasting time by repeatedly disassembling and installing the eggplant-shaped bottle during sampling, thereby saving sampling time.

[0019] Preferably, the outside of the inflation device is a plastic shell, and a series motor is installed inside the inflation device. An exhaust hole is provided above the ring, and an inflation hole is provided on one side of the ring. Through electric inflation, it is beneficial for the viscous colloidal substance to be quickly separated from the three-way eggplant-shaped bottle and reduce the residual substance in the bottle, which is convenient for the experimenter to take samples efficiently.

[0020] Preferably, the inflation hole is provided with a pointed plug, a switch is provided on the side of the shell, a wiring port is provided on the side of the shell, the wiring port is connected to the power supply through a power adapter, and the pointed plug can be adapted to the three-way interface of the three-way eggplant-shaped bottle through the inflation tube, which is conducive to the discharge of substances in the three-way eggplant-shaped bottle by the inflation device.

[0021] Preferably, in order to avoid excessive temperature when the inflation device is in operation during sampling, a hollow plate is provided at the bottom of the shell to increase the heat dissipation area, accelerate the heat dissipation speed, and make the experimental process safer.

[0022] The beneficial effects of this technical solution are:

[0023] (1) When evaporating a liquid or solid, if the substance formed by the recondensation of steam during extraction is a viscous colloidal substance, after connecting the electric inflation device to the three-way eggplant-shaped bottle, by starting the inflation device, the gas in the device is discharged through the pointed plug, forming an internal force, and removing the silicone plug at the bottom of the three-way eggplant-shaped bottle. When the viscous colloidal substance is discharged by the action of the airflow and the pressure formed inside, the experimenter can take a sample from the bottom of the three-way eggplant-shaped bottle. This device not only makes it easier for the experimenter to take samples, but also saves the sampling time for the viscous colloidal substance, thereby improving the efficiency of the experiment.

[0024] (2) Before starting evaporation, the experimenter needs to add an appropriate amount of water to the stainless steel composite pot, then install the round bottle and the three-way eggplant-shaped bottle, tightly connect the three-way interface of the three-way eggplant-shaped bottle to the pointed plug of the inflation device through the inflation tube, prepare a vacuum pump, connect one end of the hose to the vacuum pump, and the other end to the vacuum port of the rotary evaporator, then connect the cooling water inlet to the cooling water outlet of the vacuum pump with a hose, and then use a shorter hose to connect the four-way bottle through the feeding valve; after the connection is completed, start the box body, set the corresponding temperature, and then turn on the vacuum pump to form a negative pressure inside the evaporator, check the airtightness of the device to make the vacuum degree reach . MPa, open the feeding valve, and use the negative pressure to deliver the material to the round bottle. If the material is solid, add it to the round bottle first, and close it after the material is added. Close the feeding valve, then open the condensing device, and control the threaded rod in the column to rotate through the up and down keys, so that the rotation of the threaded rod drives the lifting plate to rise and fall, and the lifting plate drives the device to rise and fall through the first bracket and the second bracket, thereby adjusting the height of the round bottle to make it level with the liquid height in the compound pot. When a certain amount of colloidal material is collected in the three-way eggplant-shaped bottle, turn off the motor key, open the feeding valve to exhaust, turn off the vacuum pump, remove the round bottle, close the rotating glass stopper above the three-way eggplant-shaped bottle, remove the silicone stopper at the lower opening, connect the wiring port of the inflation device to the power supply through the power adapter, press the switch, and the gas is discharged from the pointed plug through the inflation tube. The pressure formed by the rapid flow of gas discharges the colloidal material collected in the three-way eggplant-shaped bottle, and the sampling is completed. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 This is one of the structural schematic diagrams of a rotary evaporation device proposed by the present invention for facilitating the sampling of colloidal substances;

[0026] Figure 2 This is a schematic diagram of a partial cross-sectional structure of a rotary evaporation device proposed by the present invention for facilitating the sampling of colloidal substances;

[0027] Figure 3 This is a schematic diagram of the expanded structure of a four-way flask and a three-way eggplant-shaped flask of a rotary evaporation device for facilitating the sampling of colloidal substances proposed by the present invention;

[0028] Figure 4This is a schematic structural diagram of an aeration device of a rotary evaporation device proposed by the present invention for facilitating the sampling of colloidal substances.

[0029] The names of the corresponding marks in the accompanying drawings are: 1. Box body; 2. Round bottle; 3. Main unit; 4. Four-way bottle; 5. Feeding valve; 6. Condensation device; 7. Sampling device; 8. Inflating device; 9. Column; 10. Support device; 11. Plastic flask clamp; 101. Electric heating key; 102. Motor key; 103. Speed ​​control key; 104. Up key; 105. Down key; 106. Placement slot; 107. Transparent protective cover; 108. Discharge gate; 109. Display screen; 301. Cylindrical; 302. Connecting pipe; 401. Four-way lower interface; 402. Four-way upper interface; 601. Serpentine condenser; 602. Pump Gas elbow; 603, vacuum port; 604, cooling water outlet; 605, cooling water inlet; 701, three-way eggplant-shaped bottle; 702, three-way interface; 703, lower opening; 704, upper opening; 705, rotating glass stopper; 706, silicone stopper; 801, shell; 802, series motor; 803, wiring port; 804, air extraction hole; 805, inflation hole; 806, pointed plug; 807, inflation tube; 808, ring; 809, hollow plate; 810, switch; 901, lifting handwheel; 902, lifting plate; 1001, support frame; 1002, first bracket; 1003, second bracket. DETAILED DESCRIPTION

[0030] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0031] Example 1:

[0032] See also Figure 1-4, the present invention provides a technical solution: a rotary evaporation device that is convenient for sampling colloidal substances, including a box body 1 and a host 3, a display screen 109 is adapted to be installed on one side of the box body 1, a heating key 101, a motor key 102, and a speed adjustment key 103 are installed below the surface of the display screen 109, an up key 104 and a down key 105 are installed on one side of the display screen 109, a placement groove 106 is opened on the surface of the box body 1, a stainless steel composite pot is installed inside the placement groove 106, a pressure sensor is installed below the stainless steel composite pot, the pressure sensor is fixedly installed in the placement groove 106, a transparent protective cover 107 is adapted to be installed above the placement groove 106, a water discharge gate 108 is opened on one side of the box body 1, the host 3 is suspended above the box body 1, the host 3 is cylindrical 301, and the inside of the host 3 is adapted The motor is installed, and the interfaces at both ends of the host 3 are adapted to install connecting pipes 302. One end of the host 3 is adapted to connect to the four-way bottle 4 through the connecting pipe 302. The four-way lower interface 401 is fixedly installed below the four-way bottle 4, and the four-way upper interface 402 is fixedly installed above the four-way bottle 4. A feeding valve 5 is adapted to be installed on one side of the four-way bottle 4. The other end of the host 3 is adapted to connect to the round bottle 2 through the connecting pipe 302. The round bottle 2 is suspended in the stainless steel composite pot. A condensing device 6 is adapted to be installed above the four-way bottle 4. The condensing device 6 includes a serpentine condensing tube 601 adapted to be installed above the four-way bottle 4. An exhaust elbow 602 is fixedly installed above the serpentine condensing tube 601. One end of the exhaust elbow 602 is adapted to be installed with a vacuum port 603. The bottom of the serpentine condensing tube 601 is adapted to the four-way upper interface 402. The serpentine condenser 601 is connected to the side thereof. A cooling water outlet 604 and a cooling water inlet 605 are provided on the side thereof. A sampling device 7 is adapted to be installed under the four-way bottle 4. The sampling device 7 comprises a three-way eggplant-shaped bottle 701 adapted to be installed under the four-way bottle 4. An upper opening 704 is provided on the upper surface of the three-way eggplant-shaped bottle 701. A lower opening 703 is provided under the three-way eggplant-shaped bottle 701. A rotating glass stopper 705 is adapted to be installed on the inner wall of the upper opening 704. The upper opening 704 is adapted to be matched with the four-way lower interface 401 and is connected by rotating the glass stopper 705. A silicone stopper 706 is adapted to be installed in the lower opening 703. A three-way interface 702 is provided on one side of the three-way eggplant-shaped bottle 701. An inflating device 8 is adapted to be installed on one side of the sampling device 7. The inflating device 8 comprises a plastic shell 801. , a series-excited motor 802 is installed inside the shell 801, a circular ring 808 is fixedly installed above the shell 801, an exhaust hole 804 is adapted to be installed above the circular ring 808, an inflation hole 805 is installed on the side of the circular ring 808, a pointed plug 806 is adapted to be installed in the inflation hole 805, an inflation tube 807 is adapted to be installed in the pointed plug 806, and the inflation tube 807 is adapted to be connected to the three-way interface 702, a hollow plate 809 is provided at the bottom of the shell 801, a switch 810 is installed on the side of the shell 801, a wiring port 803 is installed on the side of the shell 801, and the wiring port 803 is connected to the power supply through a power adapter, a column 9 is adapted to be installed above the box body 1, a threaded rod is installed in the column 9, a lifting handwheel 901 is adapted to be installed above the threaded rod, and a lifting plate 902 is threadedly installed on the surface of the threaded rod.A support device 10 is fixedly installed on one side of the column 9. The support device 10 includes a support frame 1001 fixedly installed on one side of the lifting plate 902. A first bracket 1002 is fixedly installed on one side of the support frame 1001. The first bracket 1002 is adapted to the outer wall of the serpentine condenser tube 601. A second bracket 1003 is fixedly installed on one side of the support frame 1001. The second bracket 1003 is adapted to the lower side of the serpentine condenser tube 601. A plastic flask clamp 11 is adapted to be installed on the surface of the three-way eggplant-shaped bottle 701. The plastic flask clamp 11 is installed at the connection between the lower interface 401 of the four-way and the upper opening 704.

[0033] The specific implementation process is as follows:

[0034] 801, and the evaporator 8 is put into the evaporator 8 by the evaporation nozzle 706, and the evaporator 8 is put into the evaporator 8 by the evaporation nozzle 707. The threaded rod in the control column 9 rotates, so that the rotation of the threaded rod drives the lifting plate 902 to rise and fall. The lifting plate 902 drives the device to rise and fall through the first bracket 1002 and the second bracket 1003, thereby adjusting the height of the round bottle 2 so that it is level with the liquid level in the stainless steel composite pot. The speed of the round bottle 2 is adjusted by the speed control key 103. The speed should not be too fast. When a certain amount of colloidal material is collected in the three-way eggplant-shaped bottle 701, the motor key 102 is turned off, the feeding valve 5 is opened to exhaust, the vacuum pump is turned off, the round bottle 2 is removed, the rotating glass stopper 705 above the three-way eggplant-shaped bottle 701 is closed, the silicone stopper 706 of the lower opening 703 is removed, the wiring port 803 of the inflation device 8 is connected to the power supply through the power adapter, and the switch 810 is pressed. The gas is discharged from the pointed nozzle stopper 806 through the inflation tube 807. The colloidal material collected in the three-way eggplant-shaped bottle 701 is discharged by the pressure formed by the rapid flow of gas, and the sampling is completed.

[0035] Example 2:

[0036] See also Figure 1-4The present invention provides a technical solution: a rotary evaporation device for convenient sampling of colloidal substances, comprising a box body 1 and a main unit 3, a display screen 109 being adapted to be installed on one side of the box body 1, a heating key 101, a motor key 102, and a speed adjustment key 103 being installed below the surface of the display screen 109, an up key 104 and a down key 105 being installed on one side of the display screen 109, a placement slot 106 being opened on the surface of the box body 1, a stainless steel composite pot being installed inside the placement slot 106, a pressure sensor being installed below the stainless steel composite pot, the pressure sensor being fixedly installed in the placement slot 106, and a placement slot 106 being adapted to be installed above the placement slot 106. A transparent protective cover 107 is installed, a water discharge gate 108 is opened on one side of the box body 1, and the main unit 3 is suspended above the box body 1. The main unit 3 is cylindrical 301, and a motor is installed inside the main unit 3. The interfaces at both ends of the main unit 3 are adapted to install connecting pipes 302. One end of the main unit 3 is adapted to connect to the four-way bottle 4 through the connecting pipe 302. The four-way lower interface 401 is fixedly installed below the four-way bottle 4, and the four-way upper interface 402 is fixedly installed above the four-way bottle 4. A feeding valve 5 is adapted to be installed on one side of the four-way bottle 4. The other end of the main unit 3 is adapted to connect to the round bottle 2 through the connecting pipe 302. The round bottle 2 is suspended in the air. In the stainless steel composite pot, a condensing device 6 is adapted to be installed above the four-way bottle 4. The condensing device 6 includes a serpentine condensing tube 601 adapted to be installed above the four-way bottle 4. A vacuum elbow 602 is fixedly installed above the serpentine condensing tube 601. One end of the vacuum elbow 602 is adapted to be installed with a vacuum port 603. The bottom of the serpentine condensing tube 601 is adapted to be connected to the upper interface 402 of the four-way. A cooling water outlet 604 and a cooling water inlet 605 are provided on the side of the serpentine condensing tube 601. A sampling device 7 is adapted to be installed below the four-way bottle 4. The sampling device 7 includes a three-way eggplant-shaped bottle adapted to be installed below the four-way bottle 4. 701, an upper opening 704 is provided on the upper surface of the three-way eggplant-shaped bottle 701, and a lower opening 703 is provided on the lower surface of the three-way eggplant-shaped bottle 701. A rotating glass stopper 705 is adapted to be installed on the inner wall of the upper opening 704. The upper opening 704 is adapted to the lower interface 401 of the four-way and is adapted to be connected by the rotating glass stopper 705. A silicone stopper 706 is adapted to be installed in the lower opening 703. A three-way interface 702 is provided on one side of the three-way eggplant-shaped bottle 701. The provision of multiple openings can avoid the experimenter from wasting time in repeatedly disassembling and installing the three-way eggplant-shaped bottle 701 during sampling, thereby saving sampling time;

[0037] The sampling device 7 is adapted to be installed on one side of the gas filling device 8. The gas filling device 8 includes a plastic shell 801. A series motor 802 is installed inside the shell 801. A circular ring 808 is fixedly installed above the shell 801. An air extraction hole 804 is adapted to be installed above the circular ring 808. An air filling hole 805 is installed on the side of the circular ring 808. A pointed nozzle plug 806 is adapted to be installed in the air filling hole 805. An air filling tube 807 is adapted to be installed in the pointed nozzle plug 806. The air filling tube 807 is adapted to be connected to the three-way interface 702, which is conducive to the gas filling device 8 to To discharge the substance in the three-way eggplant-shaped bottle 701, a hollow plate 809 is opened at the bottom of the shell 801. The hollow plate 809 increases the heat dissipation area, accelerates the heat dissipation speed, and makes the experimental process safer. A switch 810 is installed on the side of the shell 801, and a wiring port 803 is installed on the side of the shell 801. The wiring port 803 is connected to the power supply through a power adapter. Through electric inflation, the viscous colloidal substance is quickly separated from the three-way eggplant-shaped bottle 701 and the residue of the substance in the bottle is reduced, which is convenient for the experimenter to take samples efficiently.

[0038] The box body 1 is adapted to be installed with a column 9 on the top, a threaded rod is installed in the column 9, a lifting hand wheel 901 is adapted to be installed on the top of the threaded rod, a lifting plate 902 is threadedly installed on the surface of the threaded rod, and a supporting device 10 is fixedly installed on one side of the column 9. The supporting device 10 includes a support frame 1001 fixedly installed on one side of the lifting plate 902, a first bracket 1002 is fixedly installed on one side of the support frame 1001, and the first bracket 1002 is adapted to the outer wall of the serpentine condenser tube 601, and a second bracket 1003 is fixedly installed on one side of the support frame 1001, and the second bracket 1003 is adapted to the outer wall of the serpentine condenser tube 601. The condensation tube 601 is adapted to be fitted below, and the surface of the three-way eggplant-shaped bottle 701 is adapted to be installed with a plastic flask clamp 11. The plastic flask clamp 11 is installed at the connection between the four-way lower interface 401 and the upper opening 704. By using the up key 104 and the down key 105 to control the motor in the column 9 to drive the threaded rod to rotate, the rotation of the threaded rod drives the lifting plate 902 to rise and fall, and the lifting plate 902 is driven by the first bracket 1002 and the second bracket 1003 to rise and fall, thereby adjusting the height of the round bottle 2, and the lifting and falling can be manually controlled by the lifting handwheel 901.

[0039] The above is only an embodiment of the present invention, and common knowledge such as the specific technical solutions or characteristics in the solution is not described in detail here. It should be pointed out that for those skilled in the art, without departing from the technical solution of the present invention, several variations and improvements can be made, which should also be regarded as the scope of protection of the present invention, and these will not affect the effect of the implementation of the present invention and the practicality of the patent. The scope of protection required by this application shall be based on the content of its claims, and the specific implementation methods and other records in the description can be used to interpret the content of the claims.

Claims

1. A rotary evaporation device for facilitating the sampling of colloidal substances, comprising a box body (1) and a main unit (3), characterized in that: The host (3) is suspended and installed above the box body (1). The host (3) is cylindrical (301). A motor is adapted to be provided inside the host (3). Connecting pipes (302) are adapted to be provided at interfaces at both ends of the host (3). A four-way bottle (4) is adapted to be provided at one end of the host (3) through the connecting pipe (302). A round bottle (2) is adapted to be provided at the other end of the host (3) through the connecting pipe (302). A condensing device (6) is adapted to be provided above the four-way bottle (4). A sampling device (7) is adapted to be provided below the four-way bottle (4). An air charging device (8) is adapted to be provided on one side of the sampling device (7). A column (9) is adapted to be provided above the box body (1). A supporting device (10) is fixedly provided on one side of the column (9). A four-way lower interface (401) is fixedly provided at the bottom of the four-way bottle (4), and a four-way upper interface (402) is fixedly provided at the top of the four-way bottle (4); The condensing device (6) includes a serpentine condenser (601) adapted to be installed above the four-way bottle (4), a vacuum elbow (602) is fixedly provided above the serpentine condenser (601), one end of the vacuum elbow (602) is adapted to be provided with a vacuum port (603), the bottom of the serpentine condenser (601) is adapted to be connected to the upper interface (402) of the four-way bottle, and a cooling water outlet (604) and a cooling water inlet (605) are provided on the side of the serpentine condenser (601); The sampling device (7) comprises a three-way eggplant-shaped bottle (701) adapted to be installed below the four-way bottle (4); an upper opening (704) is provided on the upper surface of the three-way eggplant-shaped bottle (701); a lower opening (703) is provided below the three-way eggplant-shaped bottle (701); a rotating glass stopper (705) is adapted to be provided on the inner wall of the upper opening (704); the upper opening (704) is adapted to be connected to the lower interface (401) of the four-way bottle via the rotating glass stopper (705); a silicone stopper (706) is adapted to be provided in the lower opening (703); and a three-way interface (702) is provided on one side of the three-way eggplant-shaped bottle (701); The surface of the three-way eggplant-shaped bottle (701) is adapted to be provided with a plastic flask clamp (11), and the plastic flask clamp (11) is installed at the connection between the four-way lower interface (401) and the upper opening (704); The inflation device (8) comprises a shell (801), wherein a series-excited motor (802) is installed inside the shell (801), a circular ring (808) is fixedly provided above the shell (801), an air extraction hole (804) is adapted to be provided above the circular ring (808), an inflation hole (805) is provided on the side of the circular ring (808), a pointed nozzle plug (806) is adapted to be provided in the inflation hole (805), an inflation tube (807) is adapted to be provided in the pointed nozzle plug (806), and the inflation tube (807) is adapted to be connected to the three-way interface (702), a hollow plate (809) is provided at the bottom of the shell (801), a switch (810) is provided on the side of the shell (801), and a wiring port (803) is provided on the side of the box body (1), and the wiring port (803) is connected to a power supply via a power adapter.

2. A rotary evaporation device for facilitating sampling of colloidal substances according to claim 1, characterized in that: A display screen (109) is adapted to be provided on one side of the box body (1), a heating key (101), a motor key (102), and a speed adjustment key (103) are provided below the surface of the display screen (109), and an up key (104) and a down key (105) are provided on one side of the display screen (109).

3. The rotary evaporation device for facilitating sampling of colloidal substances according to claim 1, characterized in that: A placement groove (106) is provided on the surface of the box body (1), a stainless steel composite pot is provided inside the placement groove (106), a pressure sensor is provided below the stainless steel composite pot, and the pressure sensor is fixedly installed in the placement groove (106), a transparent protective cover (107) is adapted to be provided above the placement groove (106), and a water discharge gate (108) is provided on one side of the box body (1).

4. A rotary evaporation device for facilitating sampling of colloidal substances according to claim 3, characterized in that: The round bottle (2) is suspended and placed in a stainless steel composite pot.

5. The rotary evaporation device for facilitating sampling of colloidal substances according to claim 1, characterized in that: A feeding valve (5) is adapted to be provided on one side of the four-way bottle (4).

6. The rotary evaporation device for facilitating sampling of colloidal substances according to claim 1, characterized in that: A threaded rod is provided inside the column (9), a lifting hand wheel (901) is adapted to be provided above the threaded rod, and a lifting plate (902) is provided on the surface of the threaded rod in a threaded manner.

7. A rotary evaporation device for facilitating sampling of colloidal substances according to claim 6, characterized in that: The supporting device (10) includes a supporting frame (1001) fixedly mounted on one side of the lifting plate (902), a first bracket (1002) fixedly provided on one side of the supporting frame (1001), the first bracket (1002) being adapted to the outer wall of the serpentine condenser tube (601), and a second bracket (1003) fixedly provided on one side of the supporting frame (1001), the second bracket (1003) being adapted to the lower side of the serpentine condenser tube (601).

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