Reflux device for pinacolone production

Abstract

The utility model discloses a pinacolone production reflux device which comprises a production kettle, the bottom end of the production kettle is fixedly connected with a support and a heater, one side of the top end of the production kettle is provided with a condensation bin, and a collecting mechanism used for collecting condensed liquid is arranged in the condensation bin. The pinacolone production reflux device is provided with a collecting box, a liquid guide pipe, an exhaust pipe, a condensation bin, a condensation screw pipe and a gas guide pipe, and in the production process, liquid in a production kettle is evaporated and then guided into the condensation screw pipe through the gas guide pipe; after gas is condensed in the condensation screw pipe, condensed liquid can be guided into the collection box through the bottom liquid guide pipe and is collected in the collection box, so that follow-up backflow is facilitated, redundant gas is guided out through the exhaust pipe, the condensed liquid can be automatically collected, and the working efficiency is improved. The problem that condensed liquid cannot be automatically collected is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of pinacolone production, in particular to a pinacolone production reflux device. Background Technique

[0002] Pinacolone is a colorless and transparent liquid, which is an organic compound. It can be used as a solvent and extractant, and can also be used in organic synthesis. It is a commonly used material in the current chemical production field. The production of pinacolone requires the use of evaporation and condensation methods for extraction;

[0003] However, there are still some defects in the current condensation device used for pinacolone production. During condensation, the liquid generated by condensation cannot be effectively collected, seriously affecting the efficiency in the production process;

[0004] Now a new type of pinacolone production reflux device is proposed to solve the above problems. Content of the Utility Model

[0005] The purpose of the utility model is to provide a pinacolone production reflux device to solve the problem of inability to automatically collect the condensed liquid proposed in the above background technique.

[0006] To achieve the above purpose, the utility model provides the following technical solution: a pinacolone production reflux device, including a production kettle, the bottom end of the production kettle is fixedly connected with a bracket, the bottom end of the production kettle is fixedly connected with a heater, one side of the top end of the production kettle is provided with a condensation chamber, and a collection mechanism for collecting the condensed liquid is arranged inside the condensation chamber;

[0007] The collection mechanism includes a collection box, the collection box is arranged at the bottom end of the condensation chamber, the top end of the production kettle is fixedly connected with a communication valve, the top end of the communication valve is fixedly connected with a guide pipe, the guide pipe penetrates through one side of the condensation chamber and extends into the condensation chamber and is fixedly connected with a condensation spiral pipe, one side of the condensation spiral pipe is fixedly connected with an exhaust pipe, and the bottom end of the condensation spiral pipe is fixedly connected with a liquid guide pipe.

[0008] Preferably, the liquid guide pipe penetrates through the bottom end of the condensation chamber and extends to the outside of the condensation chamber and is fixedly connected with the collection box, and the exhaust pipe penetrates through one side of the condensation chamber and extends to the outside of the condensation chamber.

[0009] Preferably, the liquid guide pipe is communicated with the inside of the collection box, and the liquid guide pipe is fixedly connected with the condensation chamber.

[0010] Preferably, one side of the top end of the production kettle is fixedly connected with a liquid storage tank, one side of the top end of the liquid storage tank is fixedly connected with a water pump, one side of the top end of the condensation chamber is fixedly connected with a water inlet pipe, the bottom end of the other side of the condensation chamber is fixedly connected with a water return pipe, and the input end of the water pump is fixedly connected with a water suction pipe.

[0011] Preferably, the return water pipe is fixedly connected to the liquid storage tank, and the return water pipe is communicated with the inside of the liquid storage tank.

[0012] Preferably, the water inlet pipe is fixedly connected to the output end of the water pump, and the water extraction pipe penetrates through the top end of the liquid storage tank and extends to the bottom end inside the liquid storage tank.

[0013] Preferably, a controller is fixedly connected to one side of the collection box, a liquid level sensor is fixedly connected to one side of the controller, the liquid level sensor penetrates through one side of the collection box and extends to the inside of the collection box, a connection line is fixedly connected to the bottom end of the controller, an electric control valve is fixedly connected to the bottom end of the collection box, a communication pipe is fixedly connected to the bottom end of the electric control valve, and the connection line is electrically connected to the electric control valve.

[0014] Preferably, the communication pipe is fixedly connected to the production kettle, and the communication pipe is communicated with the inside of the production kettle.

[0015] Compared with the prior art, the beneficial effects of the present utility model are as follows: The pinacolone production reflux device not only realizes automatic collection of the condensed liquid, improves the condensation effect, but also realizes automatic control of liquid reflux;

[0016] (1) By providing a collection box, a liquid guide pipe, an exhaust pipe, a condensation chamber, a condensation coil pipe and a gas guide pipe, during the production process, the liquid inside the production kettle evaporates and is introduced into the inside of the condensation coil pipe through the gas guide pipe. After the gas condenses inside the condensation coil pipe, the condensed liquid can be introduced into the inside of the collection box through the bottom liquid guide pipe and collected inside the collection box for subsequent reflux, and the excess gas is discharged through the exhaust pipe, realizing automatic collection of the condensed liquid;

[0017] (2) By providing a water inlet pipe, a condensation chamber, a condensation coil pipe, a liquid storage tank, a return water pipe, a water pump and a water extraction pipe, during production, after the gas enters the inside of the condensation coil pipe, the water pump is started to extract the cold water inside the liquid storage tank through the water extraction pipe, and then the cold water is sent into the inside of the condensation chamber through the water inlet pipe, so as to quickly exchange heat with the gas inside the condensation coil pipe to achieve condensation, and the water after heat exchange will be guided back into the inside of the liquid storage tank through the return water pipe to realize circulation, realizing that the condensation effect can be accelerated by means of circulating cooling;

[0018] (3) By setting up a collection tank, a connecting pipe, an electric control valve, a connecting wire, a controller and a liquid level sensor, after the condensed liquid is introduced into the interior of the collection tank through a liquid guiding pipe, the liquid level sensor located inside the collection tank can monitor the liquid level height. When the liquid level height reaches a specified value, the controller can automatically open the electric control valve through the connecting wire, guide the liquid back into the interior of the production kettle through the connecting pipe, and then close the electric control valve, which can prevent heat loss inside the production kettle and realize automatic control of liquid reflux. Description of the Drawings

[0019] Figure 1 It is a front view sectional structure schematic diagram of the present utility model;

[0020] Figure 2 It is a top view sectional structure schematic diagram of the condensation chamber of the present utility model;

[0021] Figure 3 It is a front view sectional structure schematic diagram of the collection tank of the present utility model;

[0022] Figure 4 For the present utility model Figure 1 The enlarged structure schematic diagram at position A in

[0023] In the figure: 1. Production kettle; 2. Bracket; 3. Heater; 4. Connecting valve; 5. Collection tank; 6. Connecting pipe; 7. Electric control valve; 8. Connecting wire; 9. Controller; 10. Liquid guiding pipe; 11. Exhaust pipe; 12. Water inlet pipe; 13. Condensation chamber; 14. Condensation coil pipe; 15. Liquid storage tank; 16. Air guiding pipe; 17. Return water pipe; 18. Liquid level sensor; 19. Water pump; 20. Water suction pipe. Detailed Embodiment

[0024] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0025] Embodiment 1: Please refer to Figures 1-4 , a pinacolone production reflux device, including a production kettle 1, a bracket 2 fixedly connected to the bottom end of the production kettle 1, a heater 3 fixedly connected to the bottom end of the production kettle 1, a condensation chamber 13 provided on one side of the top end of the production kettle 1, and a collection mechanism for collecting the condensed liquid provided inside the condensation chamber 13;

[0026] The collection mechanism includes a collection box 5. The collection box 5 is provided at the bottom end of the condensation chamber 13. The top end of the production kettle 1 is fixedly connected with a communication valve 4. The top end of the communication valve 4 is fixedly connected with a gas guide pipe 16. The gas guide pipe 16 penetrates through one side of the condensation chamber 13 and extends to the inside of the condensation chamber 13 and is fixedly connected with a condensation spiral pipe 14. One side of the condensation spiral pipe 14 is fixedly connected with an exhaust pipe 11. The bottom end of the condensation spiral pipe 14 is fixedly connected with a liquid guide pipe 10;

[0027] The liquid guide pipe 10 penetrates through the bottom end of the condensation chamber 13 and extends to the outside of the condensation chamber 13 and is fixedly connected with the collection box 5. The exhaust pipe 11 penetrates through one side of the condensation chamber 13 and extends to the outside of the condensation chamber 13;

[0028] The liquid guide pipe 10 is communicated with the inside of the collection box 5 and is fixedly connected with the condensation chamber 13;

[0029] Specifically, as Figure 1 shown, during the production process, the liquid inside the production kettle 1 evaporates and is introduced into the inside of the condensation spiral pipe 14 through the gas guide pipe 16. After the gas condenses inside the condensation spiral pipe 14, the condensed liquid can be introduced into the inside of the collection box 5 through the bottom liquid guide pipe 10 and collected inside the collection box 5 for convenient subsequent reflux. The excess gas is discharged through the exhaust pipe 11, realizing the automatic collection of the condensed liquid.

[0030] Embodiment 2: One side of the top end of the production kettle 1 is fixedly connected with a liquid storage tank 15. One side of the top end of the liquid storage tank 15 is fixedly connected with a water pump 19. One side of the top end of the condensation chamber 13 is fixedly connected with a water inlet pipe 12. The other side of the bottom end of the condensation chamber 13 is fixedly connected with a water return pipe 17. The input end of the water pump 19 is fixedly connected with a water suction pipe 20;

[0031] The water return pipe 17 is fixedly connected with the liquid storage tank 15 and is communicated with the inside of the liquid storage tank 15;

[0032] The water inlet pipe 12 is fixedly connected with the output end of the water pump 19. The water suction pipe 20 penetrates through the top end of the liquid storage tank 15 and extends to the bottom end inside the liquid storage tank 15;

[0033] Specifically, as Figure 1 、 Figure 2 and Figure 4 shown, during production, after the gas enters the inside of the condensation spiral pipe 14, the water pump 19 is started to pump out the cold water inside the liquid storage tank 15 through the water suction pipe 20, and then the cold water is sent into the inside of the condensation chamber 13 through the water inlet pipe 12, so as to quickly exchange heat with the gas inside the condensation spiral pipe 14 to achieve condensation. And the water after heat exchange will be guided back into the inside of the liquid storage tank 15 through the water return pipe 17 to achieve circulation, realizing the acceleration of the condensation effect through the way of circulating cooling.

[0034] Embodiment 3: One side of the collection tank 5 is fixedly connected with a controller 9. One side of the controller 9 is fixedly connected with a liquid level sensor 18. The liquid level sensor 18 penetrates through one side of the collection tank 5 and extends into the interior of the collection tank 5. The bottom end of the controller 9 is fixedly connected with a connecting wire 8. The bottom end of the collection tank 5 is fixedly connected with an electric control valve 7. The bottom end of the electric control valve 7 is fixedly connected with a connecting pipe 6. The connecting wire 8 is electrically connected to the electric control valve 7;

[0035] The connecting pipe 6 is fixedly connected with the production kettle 1, and the connecting pipe 6 is communicated with the interior of the production kettle 1;

[0036] Specifically, as Figure 1 and Figure 3 shown, after the condensed liquid is introduced into the interior of the collection tank 5 through the liquid guide pipe 10, the liquid level sensor 18 located inside the collection tank 5 can monitor the liquid level height. When the liquid level height reaches the specified value, the controller 9 can automatically open the electric control valve 7 through the connecting wire 8, guide the liquid back into the interior of the production kettle 1 through the connecting pipe 6, and then close the electric control valve 7, which can prevent the heat loss inside the production kettle 1 and realize the automatic control of the liquid reflux.

[0037] Working principle: When the present utility model is in use, during production, after the gas enters the interior of the condensation coil 14, start the water pump 19 to pump out the cold water inside the liquid storage tank 15 through the water suction pipe 20, and then send the cold water into the interior of the condensation chamber 13 through the water inlet pipe 12, so as to quickly exchange heat with the gas inside the condensation coil 14 to achieve condensation. And the heat-exchanged water will be guided back into the interior of the liquid storage tank 15 through the water return pipe 17 to realize circulation. During the production process, the liquid inside the production kettle 1 evaporates and is introduced into the interior of the condensation coil 14 through the gas guide pipe 16. After the gas condenses inside the condensation coil 14, the condensed liquid can be introduced into the interior of the collection tank 5 through the bottom liquid guide pipe 10 and collected inside the collection tank 5 for subsequent reflux. The excess gas is discharged through the exhaust pipe 11. After the condensed liquid is introduced into the interior of the collection tank 5 through the liquid guide pipe 10, the liquid level sensor 18 located inside the collection tank 5 can monitor the liquid level height. When the liquid level height reaches the specified value, the controller 9 can automatically open the electric control valve 7 through the connecting wire 8, guide the liquid back into the interior of the production kettle 1 through the connecting pipe 6, and then close the electric control valve 7, which can prevent the heat loss inside the production kettle 1.

Claims

1. A pinacolone production reflux device, comprising a production kettle (1), characterized in that: The bottom end of the production kettle (1) is fixedly connected to a bracket (2), the bottom end of the production kettle (1) is fixedly connected to a heater (3), a condensation bin (13) is provided on one side of the top end of the production kettle (1), and a collection mechanism for collecting condensed liquid is provided inside the condensation bin (13); The collecting mechanism comprises a collecting box (5), the bottom end of the condensing bin (13) is provided with a collecting box (5), the top end of the production kettle (1) is fixedly connected with a connecting valve (4), the top end of the connecting valve (4) is fixedly connected with an air guide pipe (16), the air guide pipe (16) passes through one side of the condensing bin (13) and extends to the inside of the condensing bin (13) and is fixedly connected with a condensing spiral tube (14), one side of the condensing spiral tube (14) is fixedly connected with an exhaust pipe (11), and the bottom end of the condensing spiral tube (14) is fixedly connected with a liquid guide tube (10).

2. A pinacolone production reflux device according to claim 1, characterized in that: The liquid guide tube (10) passes through the bottom end of the condensation bin (13) and extends to the outside of the condensation bin (13) to be fixedly connected to the collection box (5), and the exhaust pipe (11) passes through one side of the condensation bin (13) and extends to the outside of the condensation bin (13).

3. A pinacolone production reflux device according to claim 1, characterized in that: The liquid guiding tube (10) is communicated with the interior of the collecting box (5), and the liquid guiding tube (10) is fixedly connected with the condensation bin (13).

4. A pinacolone production reflux device according to claim 1, characterized in that: A liquid storage tank (15) is fixedly connected to one side of the top of the production kettle (1), a water pump (19) is fixedly connected to one side of the top of the liquid storage tank (15), a water inlet pipe (12) is fixedly connected to the top of one side of the condensation bin (13), a return pipe (17) is fixedly connected to the bottom of the other side of the condensation bin (13), and an input end of the water pump (19) is fixedly connected to a water pumping pipe (20).

5. A pinacolone production reflux device according to claim 4, characterized in that: The water return pipe (17) is fixedly connected to the liquid storage tank (15), and the water return pipe (17) is communicated with the interior of the liquid storage tank (15).

6. A pinacolone production reflux device according to claim 4, characterized in that: The water inlet pipe (12) is fixedly connected to the output end of the water pump (19), and the water extraction pipe (20) passes through the top end of the liquid storage tank (15) and extends to the bottom end inside the liquid storage tank (15).

7. A pinacolone production reflux device according to claim 1, characterized in that: A controller (9) is fixedly connected to one side of the collection box (5), a liquid level sensor (18) is fixedly connected to one side of the collection box (5), the liquid level sensor (18) passes through one side of the collection box (5) and extends into the interior of the collection box (5), a connecting line (8) is fixedly connected to the bottom end of the controller (9), an electric control valve (7) is fixedly connected to the bottom end of the collection box (5), a connecting pipe (6) is fixedly connected to the bottom end of the electric control valve (7), and the connecting line (8) is electrically connected to the electric control valve (7).

8. A pinacolone production reflux device according to claim 7, characterized in that: The connecting pipe (6) is fixedly connected to the production kettle (1), and the connecting pipe (6) is communicated with the interior of the production kettle (1).

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