Fluorescent carbon quantum dot synthesis device

Abstract

The utility model provides a fluorescent carbon quantum dot synthesizer, which relates to the technical field of carbon quantum dots, and comprises a mixing bin, a heating bin and a cooling bin, the heating bin is arranged below the mixing bin, the cooling bin is arranged below the heating bin, one side of the top of the mixing bin is provided with a feed pipe, and the other side of the top of the mixing bin is provided with a discharge pipe. A first liquid collecting ball is arranged in the middle of the top of the heating bin, a transparent spiral pipe is connected to the edge of the lower portion of the first liquid collecting ball, the transparent spiral pipe is located in the heating bin, a second liquid collecting ball is arranged in the middle of the bottom of the heating bin, and the lower end of the transparent spiral pipe is connected with the second liquid collecting ball; a solution is stirred and mixed through the mixing bin, so that the solution flows into the first liquid collecting ball through the first pipeline and enters the transparent spiral pipe to flow, the transparent spiral pipe surrounds the outer side of the heat radiation pipe, and the distances between the positions of the transparent spiral pipe and the heat radiation pipe are the same, so that the solution is heated more uniformly, and the reaction effect is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of carbon quantum dots, in particular to a fluorescent carbon quantum dot synthesis device. Background Art

[0002] Fluorescent carbon quantum dots are a new type of nanomaterial with broad application prospects. They have received extensive attention and research for their unique optical properties and excellent stability. In the past few decades, people have continuously explored and improved the preparation methods of fluorescent carbon quantum dots and made significant progress. There are many methods for preparing fluorescent carbon quantum dots. The most common methods include thermal method, microwave method, hydrothermal method and electrochemical method. These methods have certain advantages and applicable scopes. You can choose the appropriate method for preparation according to specific needs.

[0003] Solvothermal method is a simple and effective preparation method. By selecting appropriate carbon source and solvent and reacting at high temperature, fluorescent carbon quantum dots with high fluorescence performance can be obtained. This method has the advantages of simple operation and short reaction time. In the prior art, such as authorization announcement No. CN 209635904 U discloses "a fluorescent carbon quantum dot synthesis device", and specifically discloses: 2.25g citric acid and 0.5ml ethylenediamine are mixed and 60mL of deionized water is added, the sealing plate is driven upward by an electric telescopic rod to extract into a liquid collection container, and the mixture is stirred evenly by a magnetic stirrer to obtain a precursor solution of the mixture, the sealing plate is driven downward by an electric telescopic rod, and the precursor solution is sent into the flow channel 17 inside the reaction device, and the heating body is controlled by a temperature controller to heat to 80°C for reaction, and the treated liquid obtained by the reaction treatment is collected by a liquid collection container; however, in the above-mentioned technology, the flow channel is set to be serpentine, and the heating body is an electric heating rod, and the flow channel is heated. The distance between each position of this serpentine flow channel and the electric heating rod is different, and the heating is not uniform. Moreover, some electric heating rods have multiple sets of heating wires built in. Due to the different wear life of the multiple sets of heating wires, the temperature of the heating surface close to the electric heating rod and different positions of the flow channel is different, which affects the heating effect. Therefore, the utility model proposes a fluorescent carbon quantum dot synthesis device to solve the problems existing in the prior art. Utility Model Content

[0004] In view of the above problems, the utility model proposes a fluorescent carbon quantum dot synthesis device, which makes the heating of the solution more uniform and ensures the reaction effect.

[0005] To achieve the purpose of the utility model, the utility model is implemented by the following technical solutions: a fluorescent carbon quantum dot synthesis device, comprising a mixing bin, a heating bin and a cooling bin, wherein the heating bin is arranged below the mixing bin, the cooling bin is arranged below the heating bin, a feeding pipe is arranged on one side of the top of the mixing bin, a first liquid collecting ball is arranged at the middle position of the top of the heating bin, and a transparent spiral tube is connected to the edge below the first liquid collecting ball, the transparent spiral tube is located inside the heating bin, a second liquid collecting ball is arranged at the middle position of the bottom of the heating bin, and the lower end of the transparent spiral tube is connected to the second liquid collecting ball;

[0006] A mounting opening is provided at the edge of the top of the heating bin, and a mounting piece is rotatably provided in the mounting opening, the lower part of the mounting piece extends to the heat radiation tube inside the transparent spiral tube, a lifting button is provided above the mounting piece, and a turntable supporting the heat radiation tube is provided at the edge of the bottom of the heating bin, a first pipe is connected between the first liquid collecting ball and the mixing bin, and a second pipe is connected between the second liquid collecting ball and the cooling bin.

[0007] A further improvement is that: at least four groups of transparent spiral tubes are provided, and at least four groups of heat radiation tubes are provided, and the four groups of transparent spiral tubes and heat radiation tubes are arranged at equal angles around the center of the first liquid collecting ball.

[0008] A further improvement is that the mounting member includes a rubber block and a top plate, the inner groove of the mounting opening is provided with a sealed bearing, the rubber block is inserted into the inner side of the sealed bearing, the top plate is arranged above the rubber block, and a heat insulation plate is provided on the top of the turntable.

[0009] A further improvement is that a rotating circle is provided on the top of the heating bin at the outer side of the first liquid collecting ball, and a rubber is provided on the outer side of the rotating circle, and the rubber is in contact with the outer sides of the four groups of top plates; a motor is provided on the top of the heating bin at the inner side of the rotating circle, and a rubber wheel is provided at the output end of the motor, and the outer side of the rubber wheel is in contact with the inner side of the rotating circle.

[0010] A further improvement is that: the outer side of the heating chamber is provided with heat-insulating cotton, and the heat-insulating cotton is provided with at least two layers.

[0011] A further improvement is that a motor is provided at the middle position of the top of the mixing bin, and a rotating shaft extending to the inside of the mixing bin is provided at the output end of the motor, and paddles are provided on the outside of the rotating shaft.

[0012] A further improvement is that: a solenoid valve is provided on the first pipeline, and a throttle valve is provided on the second pipeline.

[0013] The beneficial effects of the utility model are:

[0014] 1. The utility model stirs the mixed solution through the mixing bin, so that the solution flows into the first liquid collecting ball through the first pipe and flows into the transparent spiral tube. The transparent spiral tube surrounds the outside of the heat radiation tube, and the spacing between each position and the heat radiation tube is the same, so that the heating of the solution is more uniform and the reaction effect is guaranteed.

[0015] 2. The utility model drives the rubber wheel to rotate through a motor, drives the rotating circle to rotate, and the rotating circle uses the rubber on the outside to drive the top plate to rotate, thereby driving the heat radiation tube to rotate based on the support of the turntable, so that the heat radiation tube changes the heating surface of the transparent spiral tube, avoiding uneven heating at different positions of the heat radiation tube, which is conducive to further improving the heating efficiency and effect.

[0016] 3. The utility model can pull out the mounting piece and the heat radiation tube from the mounting port by pulling up the lifting button, which is convenient for replacement and maintenance and has diversified functions. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is the front view of the utility model;

[0018] Figure 2 This is a schematic diagram of the interior of the heating chamber of the utility model;

[0019] Figure 3 This is a schematic diagram of the top of the heating chamber of the utility model;

[0020] Figure 4 This is a schematic diagram of the interior of the mixing bin of the present utility model.

[0021] Among them: 1. Mixing chamber; 2. Heating chamber; 3. Cooling chamber; 4. Feed pipe; 5. First liquid collecting ball; 6. Transparent spiral tube; 7. Second liquid collecting ball; 8. Heat radiation tube; 9. Lifting button; 10. Turntable; 11. First pipeline; 12. Second pipeline; 13. Rubber block; 14. Top plate; 15. Sealed bearing; 16. Heat insulation board; 17. Rotating circle; 18. Rubber; 19. Rubber wheel; 20. Insulation cotton; 21. Motor; 22. Rotating shaft; 23. Paddle; 24. Solenoid valve; 25. Throttle valve. DETAILED DESCRIPTION

[0022] In order to deepen the understanding of the present invention, the present invention will be further described in detail below in conjunction with an embodiment. The embodiment is only used to explain the present invention and does not constitute a limitation on the protection scope of the present invention.

[0023] Embodiment 1

[0024] according to Figure 1 , 2As shown in Figures 3 and 4, this embodiment proposes a fluorescent carbon quantum dot synthesis device, comprising a mixing chamber 1, a heating chamber 2 and a cooling chamber 3, wherein the heating chamber 2 is arranged below the mixing chamber 1, and the cooling chamber 3 is arranged below the heating chamber 2. A feeding pipe 4 is arranged on one side of the top of the mixing chamber 1, a first liquid collecting ball 5 is arranged at the middle position of the top of the heating chamber 2, and a transparent spiral tube 6 is connected to the edge below the first liquid collecting ball 5, and the transparent spiral tube 6 is located inside the heating chamber 2, and a second liquid collecting ball 7 is arranged at the middle position of the bottom of the heating chamber 2, and the lower end of the transparent spiral tube 6 is connected to the second liquid collecting ball 7;

[0025] A mounting opening is provided at the edge of the top of the heating bin 2, and a mounting piece is rotatably provided in the mounting opening, the bottom of the mounting piece extends to the heat radiation tube 8 inside the transparent spiral tube 6, a lifting button 9 is provided above the mounting piece, and a turntable 10 supporting the heat radiation tube 8 is provided at the edge of the bottom of the heating bin 2, a first pipe 11 is connected between the first liquid collecting ball 5 and the mixing bin 1, and a second pipe 12 is connected between the second liquid collecting ball 7 and the cooling bin 3. When in use, citric acid and ethylenediamine are mixed and deionized water is added, which is then added into the mixing chamber 1 through the feed pipe 4. The mixed solution is stirred by the mixing chamber 1 so that the solution flows into the first liquid collecting ball 5 through the first pipe 11 and flows into the transparent spiral tube 6. The transparent spiral tube 6 surrounds the outside of the heat radiation tube 8, and the spacing between each position and the heat radiation tube 8 is the same, so that the heating of the solution is more uniform. After heating, the solution enters the second liquid collecting ball 7 and enters the cooling chamber 3 through the second pipe 12. When not in use, the mounting part and the heat radiation tube 8 can be pulled out from the mounting port by pulling up the lifting button 9, which is convenient for replacement and maintenance and has diversified functions.

[0026] The transparent spiral tubes 6 are provided in four groups, and the heat radiation tubes 8 are provided in four groups, and the four groups of the transparent spiral tubes 6 and the heat radiation tubes 8 are arranged at equal angles around the center of the first liquid collecting ball 5. The solution flowing into the heating chamber 1 is subdivided into four branches through the four groups of transparent spiral tubes 6, further improving the heating efficiency and effect.

[0027] The mounting part includes a rubber block 13 and a top plate 14. The inner groove of the mounting port is provided with a sealing bearing 15. The rubber block 13 is inserted into the inner side of the sealing bearing 15. The top plate 14 is arranged above the rubber block 13. When in use, the rubber block 13 is inserted into the inner side of the sealing bearing 15 to ensure the sealing performance while allowing rotation. A heat insulation plate 16 is provided on the top of the turntable 10 to prevent the turntable 10 from being damaged under the heat radiation tube 8.

[0028] A rotating circle 17 is rotatably provided on the top of the heating bin 2 at the outer side of the first liquid collecting ball 5, and a rubber 18 is provided on the outer side of the rotating circle 17, and the rubber 18 is attached to the outer sides of the four groups of top plates 14. A motor is provided on the top of the heating bin 2 at the inner side of the rotating circle 17, and a rubber wheel 19 is provided at the output end of the motor, and the outer side of the rubber wheel 19 is attached to the inner side of the rotating circle 17. When in use, the motor drives the rubber wheel 19 to rotate, and the rotating circle 17 is driven to rotate by the rubber 13 on the outer side, thereby driving the top plate 14 to rotate, thereby driving the heat radiation tube 8 to rotate based on the support of the rotating disk 10, so that the heat radiation tube 8 changes the heating surface of the transparent spiral tube 6, avoiding the situation that different positions of the heat radiation tube 8 are heated unevenly, which is conducive to further improving the heating efficiency and effect.

[0029] The outer side of the heating chamber 2 is provided with a heat-insulating cotton 20, and the heat-insulating cotton 20 is provided with two layers, so as to improve the heat-insulating effect and prevent the heat of the heating chamber 2 from escaping quickly.

[0030] Embodiment 2

[0031] according to Figure 1 , 2 As shown in Figures 3 and 4, this embodiment proposes a fluorescent carbon quantum dot synthesis device, comprising a mixing chamber 1, a heating chamber 2 and a cooling chamber 3, wherein the heating chamber 2 is arranged below the mixing chamber 1, and the cooling chamber 3 is arranged below the heating chamber 2. A feeding pipe 4 is arranged on one side of the top of the mixing chamber 1, a first liquid collecting ball 5 is arranged at the middle position of the top of the heating chamber 2, and a transparent spiral tube 6 is connected to the edge below the first liquid collecting ball 5, and the transparent spiral tube 6 is located inside the heating chamber 2, and a second liquid collecting ball 7 is arranged at the middle position of the bottom of the heating chamber 2, and the lower end of the transparent spiral tube 6 is connected to the second liquid collecting ball 7;

[0032] A mounting opening is provided at the edge of the top of the heating bin 2, and a mounting piece is rotatably provided in the mounting opening, the bottom of the mounting piece extends to the heat radiation tube 8 inside the transparent spiral tube 6, a lifting button 9 is provided above the mounting piece, and a turntable 10 supporting the heat radiation tube 8 is provided at the edge of the bottom of the heating bin 2, a first pipe 11 is connected between the first liquid collecting ball 5 and the mixing bin 1, and a second pipe 12 is connected between the second liquid collecting ball 7 and the cooling bin 3. When in use, citric acid and ethylenediamine are mixed and deionized water is added, which is then added into the mixing chamber 1 through the feed pipe 4. The mixed solution is stirred by the mixing chamber 1 so that the solution flows into the first liquid collecting ball 5 through the first pipe 11 and flows into the transparent spiral tube 6. The transparent spiral tube 6 surrounds the outside of the heat radiation tube 8, and the spacing between each position and the heat radiation tube 8 is the same, so that the heating of the solution is more uniform. After heating, the solution enters the second liquid collecting ball 7 and enters the cooling chamber 3 through the second pipe 12. When not in use, the mounting part and the heat radiation tube 8 can be pulled out from the mounting port by pulling up the lifting button 9, which is convenient for replacement and maintenance and has diversified functions.

[0033] The outer side of the heating chamber 2 is provided with a heat-insulating cotton 20, and the heat-insulating cotton 20 is provided with two layers, so as to improve the heat-insulating effect and prevent the heat of the heating chamber 2 from escaping quickly.

[0034] A motor 21 is provided at the middle position of the top of the mixing bin 1, and a rotating shaft 22 extending to the inside of the mixing bin 1 is provided at the output end of the motor 21, and a paddle 23 is provided on the outer side of the rotating shaft 22. When in use, the motor 21 drives the rotating shaft 22 to rotate, and the rotating shaft 22 drives the paddle 23 to rotate, and the citric acid and ethylenediamine are mixed and deionized water is added to mix and stir.

[0035] The first pipe 11 is provided with a solenoid valve 24, and the second pipe 12 is provided with a throttle valve 25. When in use, the solenoid valve 24 is opened, and the solution flows into the first liquid collecting ball 5 through the first pipe 11. After heating, the solution enters the second liquid collecting ball 7, and enters the cooling chamber 3 through the second pipe 12. The flow of the solution is limited by the throttle valve 25, and the heating time of the previous step is extended.

[0036] The fluorescent carbon quantum dot synthesis device stirs the mixed solution through the mixing chamber 1, so that the solution flows into the first liquid collecting ball 5 through the first pipe 11, and flows into the transparent spiral tube 6. The transparent spiral tube 6 surrounds the outside of the heat radiation tube 8, and the spacing between each position and the heat radiation tube 8 is the same, so that the heating of the solution is more uniform, ensuring the reaction effect. The motor drives the rubber wheel 19 to rotate, driving the rotating circle 17 to rotate. The rotating circle 17 uses the outer rubber 13 to drive the top plate 14 to rotate, thereby driving the heat radiation tube 8 to rotate based on the support of the turntable 10, so that the heat radiation tube 8 changes the heating surface of the transparent spiral tube 6, avoiding the situation of uneven heating at different positions of the heat radiation tube 8, which is conducive to further improving the heating efficiency and effect. At the same time, by pulling up the lifting button 9, the mounting part and the heat radiation tube 8 can be pulled out from the mounting port, which is convenient for replacement and maintenance, and has diversified functions.

[0037] The above shows and describes the basic principles, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A fluorescent carbon quantum dot synthesis device, comprising a mixing chamber (1), a heating chamber (2) and a cooling chamber (3), characterized in that: The heating bin (2) is arranged below the mixing bin (1), the cooling bin (3) is arranged below the heating bin (2), a feeding pipe (4) is arranged on one side of the top of the mixing bin (1), a first liquid collecting ball (5) is arranged at the middle position of the top of the heating bin (2), and a transparent spiral tube (6) is connected to the edge below the first liquid collecting ball (5), the transparent spiral tube (6) is located inside the heating bin (2), a second liquid collecting ball (7) is arranged at the middle position of the bottom of the heating bin (2), and the lower end of the transparent spiral tube (6) is connected to the second liquid collecting ball (7); The edge of the top of the heating bin (2) is provided with a mounting opening, and a mounting piece is rotatably provided in the mounting opening, the bottom of the mounting piece extends to the heat radiation tube (8) inside the transparent spiral tube (6), and a lifting button (9) is provided above the mounting piece. A turntable (10) supporting the heat radiation tube (8) is provided at the edge of the bottom of the heating bin (2), a first pipe (11) is connected between the first liquid collecting ball (5) and the mixing bin (1), and a second pipe (12) is connected between the second liquid collecting ball (7) and the cooling bin (3).

2. A fluorescent carbon quantum dot synthesis device according to claim 1, characterized in that: At least four groups of the transparent spiral tubes (6) are provided, and at least four groups of the heat radiation tubes (8) are provided. The four groups of the transparent spiral tubes (6) and the heat radiation tubes (8) are arranged at equal angles around the center of the first liquid collecting ball (5).

3. A fluorescent carbon quantum dot synthesis device according to claim 2, characterized in that: The mounting member comprises a rubber block (13) and a top plate (14); the inner groove of the mounting opening is provided with a sealing bearing (15); the rubber block (13) is inserted into the inner side of the sealing bearing (15); the top plate (14) is arranged above the rubber block (13); and a heat insulation plate (16) is provided on the top of the rotating disk (10).

4. A fluorescent carbon quantum dot synthesis device according to claim 3, characterized in that: A rotating circle (17) is rotatably provided at the top of the heating bin (2) at the outer side of the first liquid collecting ball (5), and a rubber (18) is provided on the outer side of the rotating circle (17), and the rubber (18) is in contact with the outer sides of the four groups of top plates (14). A motor is provided at the top of the heating bin (2) at the inner side of the rotating circle (17), and a rubber wheel (19) is provided at the output end of the motor, and the outer side of the rubber wheel (19) is in contact with the inner side of the rotating circle (17).

5. A fluorescent carbon quantum dot synthesis device according to claim 1, characterized in that: The outer side of the heating chamber (2) is provided with heat-insulating cotton (20), and the heat-insulating cotton (20) is provided with at least two layers.

6. A fluorescent carbon quantum dot synthesis device according to claim 1, characterized in that: A motor (21) is provided at the middle position of the top of the mixing bin (1), and a rotating shaft (22) extending into the interior of the mixing bin (1) is provided at the output end of the motor (21), and a paddle (23) is provided on the outer side of the rotating shaft (22).

7. A fluorescent carbon quantum dot synthesis device according to claim 1, characterized in that: The first pipeline (11) is provided with a solenoid valve (24), and the second pipeline (12) is provided with a throttle valve (25).

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