Tetraethylammonium bromide stirring and mixing device

Abstract

The utility model discloses a tetraethylammonium bromide stirring and mixing device, which belongs to the technical field of tetraethylammonium bromide processing and production and comprises a shell, a feeding system, a heating system, a stirring system and a circulating condensation system. The heating system comprises electric heating wires evenly distributed in the shell and a temperature sensor located in the shell, the stirring system comprises a motor and a stirring rod, the motor is located at the top of the shell, and the stirring rod is connected with the motor and extends downwards into the shell; and the circulating condensation system comprises an exhaust port, an exhaust pipe, a water circulating condenser and a liquid return pipe. The heat balance of the reaction system is favorably maintained through slow reflux of the circulating condensation system, so that heat energy is more uniformly transferred to each part of the shell, the reaction uniformity is improved, and meanwhile, an evaporated solvent is cooled and refluxed through the condensation pipe, so that the loss of the solvent is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of tetraethylammonium bromide processing and production, and specifically relates to a tetraethylammonium bromide stirring and mixing device. Background Art

[0002] Tetraethylammonium bromide is often used as an ion pair reagent for the synthesis of drugs such as bacampicillin and sultamicillin. As a phase transfer catalyst, it is widely used in organic synthesis. It is used in the preparation of polarographic analysis reagents and pesticide intermediates. It is also sometimes used to test precious metals such as gold, iridium, palladium, rhodium and ruthenium.

[0003] Traditional tetraethylammonium bromide stirring and mixing devices usually only include basic heating and stirring functions. The gas generated during the reaction may accumulate inside the device, increasing safety risks, such as the risk of explosion caused by excessive pressure; the mixing device is not uniform enough, resulting in low reaction efficiency, affecting the purity and quality of the product. Summary of the invention

[0004] In order to solve the above-mentioned problems, the utility model discloses a tetraethylammonium bromide stirring and mixing device, which adds a circulating condensation system to help maintain the thermal balance of the reaction system, so that the heat energy is more evenly transferred to various parts of the shell, thereby improving the uniformity of the reaction. At the same time, the evaporated solvent is cooled and refluxed through the condenser to reduce the loss of the solvent.

[0005] In order to achieve the above purpose, the specific technical solution of this application is as follows:

[0006] A tetraethylammonium bromide stirring and mixing device comprises a shell, a feeding system, a heating system, a stirring system and a circulating condensing system, wherein the feeding system is located above the shell, the heating system comprises heating wires uniformly distributed inside the shell and a temperature sensor located inside the shell, the stirring system comprises a motor and a stirring rod, the motor is located on the top of the shell, the stirring rod is connected to the motor and extends downward into the shell; the circulating condensing system comprises an exhaust port, an exhaust pipe, a water circulation condenser and a liquid return pipe.

[0007] Based on the above technical features, further, the exhaust port is connected to an exhaust pipe, the exhaust pipe is connected to a water circulation condenser, the other end of the water circulation condenser is connected to a liquid return pipe, the liquid return pipe is connected to a shell, and the water circulation condenser includes annular condenser tubes arranged in a spiral shape or at equal intervals.

[0008] Based on the above technical features, further, the exhaust port is provided with a one-way valve.

[0009] Based on the above technical features, further, the water circulation condenser is provided with a water inlet pipe and a water outlet pipe, the water inlet pipe is provided with a cooling water flow meter, and the water outlet pipe is provided with a temperature display.

[0010] Based on the above technical features, preferably, the stirring rod is connected to at least two arched stirring blades, and the stirring blades are provided with a plurality of protrusions.

[0011] Based on the above technical features, preferably, the shell is provided with a visual window, and the outside of the shell is provided with a heat insulation layer to reduce heat loss and improve energy efficiency.

[0012] Compared with the prior art, the beneficial effects of this application are:

[0013] The present application helps maintain the thermal balance of the reaction system through slow reflux of the circulating condensation system, so that the heat energy is more evenly transferred to various parts of the shell, improving the uniformity of the reaction, and at the same time cooling and refluxing the evaporated solvent through the condenser to reduce the loss of solvent; at least two bow-shaped stirring blades connected to the stirring rod, and several protrusions on the stirring blades, enhance the stirring effect and promote uniform mixing of the reactants; the design of the entire system allows the feeding, heating, stirring and condensation processes to be carried out continuously, reducing the intermittent time in production, making the reaction more uniform, and improving the overall production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic structural diagram of a tetraethylammonium bromide stirring and mixing device of the utility model;

[0015] Figure 2 It is a structural schematic diagram of the stirring rod in the utility model;

[0016] Figure 3 This is a schematic diagram of the structure of the circulating condensation system in the utility model;

[0017] List of Figure Symbols:

[0018] 1. Shell; 101. Visual window; 2. Insulation layer; 3. Feeding system; 4. Motor; 5. Stirring rod; 6. Stirring blade; 601. Protrusion; 7. Exhaust port; 8. Exhaust pipe; 9. Water circulation condenser; 901. Condenser; 10. Liquid return pipe; 11. Check valve; 12. Water inlet pipe; 13. Cooling water flow meter; 14. Water outlet pipe; 15. Temperature display; 16. Temperature sensor; 17. Heating wire. DETAILED DESCRIPTION

[0019] The present invention will be further explained below in conjunction with the accompanying drawings and specific embodiments. It should be understood that the following specific embodiments are only used to illustrate the present invention and are not used to limit the scope of the present invention.

[0020] It should be noted that the words "upper", "lower", "left", "right", "front" and "rear" used in the following description refer to the directions in the drawings, and the words "inner" and "outer" refer to the directions toward or away from the geometric center of a specific component, respectively. In addition, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0021] like Figure 1 As shown, a tetraethylammonium bromide stirring and mixing device includes a housing 1, a feeding system 3, a heating system, a stirring system, a circulating condensation system and a control system. The housing 1 is made of corrosion-resistant materials, such as stainless steel. The feeding system 3 is located above the housing 1 and is used for feeding the processing material. The feeding system 3 is closed after the feeding is completed.

[0022] Preferably, the shell 1 is provided with a visual window 101, and a heat insulating layer 2 is provided outside the shell 1 to reduce heat loss and improve energy efficiency.

[0023] The heating system includes heating wires 17 evenly distributed inside the shell 1 and a temperature sensor 16 located inside the shell. The evenly distributed heating wires and the accurate temperature sensor can achieve precise control of the reaction temperature, thereby improving the efficiency of the chemical reaction and the yield of the product.

[0024] The stirring system includes a motor 4 and a stirring rod 5. The motor 4 is located at the top of the housing 1. The stirring rod 5 is connected to the motor 4 and extends downward into the housing 1. The motor is a variable speed motor and can be adjusted by a control system. Figure 2 As shown, preferably, at least two arcuate stirring blades 6 are connected to the stirring rod 5, and a plurality of protrusions 601 are provided on the stirring blades 6 to enhance the stirring effect and promote uniform mixing of the reactants.

[0025] like Figure 1 and Figure 3 As shown, the circulating condensation system includes an exhaust port 7, an exhaust pipe 8, a water circulation condenser 9 and a liquid return pipe 10. Further, the exhaust port 7 is connected to the exhaust pipe 8, the exhaust pipe 8 is connected to the water circulation condenser 9, the other end of the water circulation condenser 9 is connected to the liquid return pipe 10, and the liquid return pipe 10 is connected to the shell 1. The exhaust port 7 is provided with a one-way valve 11, and the water circulation condenser 9 includes a spiral or equally spaced annular condenser pipe 901, as shown in FIG. Figure 3Slow reflux through the circulating condensation system helps maintain the thermal balance of the reaction system, allowing heat energy to be more evenly transferred to various parts of the shell, improving the uniformity of the reaction, while cooling and reflux the evaporated solvent through the condenser to reduce solvent loss.

[0026] Furthermore, the water circulation condenser 9 is provided with a water inlet pipe 12 and a water outlet pipe 14, the water inlet pipe 12 is provided with a cooling water flow meter 13, and the water outlet pipe 14 is provided with a temperature display 15. The cooling water flow meter 13 is used to monitor the flow of cooling water entering the water circulation condenser through the water inlet pipe in real time, ensuring that the water circulation condenser receives cooling water at an appropriate flow rate to maintain the required cooling effect. The flow meter 15 can be mechanical or electronic, providing accurate flow readings, which helps the control system adjust the water flow to adapt to different cooling requirements.

[0027] The temperature display 15 is used to display the temperature of the cooling water in the water pipe 14 in real time, that is, the water temperature when leaving the water circulation condenser. The temperature display can provide instant feedback to let the operator understand the condensation effect and the current heat load status of the system.

[0028] Temperature information is very important for control systems and can be used to adjust the operation of heating or cooling systems to maintain a stable temperature in the reaction process.

[0029] The control system monitors the relevant data of the temperature sensor 16 , the cold water flow meter 13 , the temperature display 15 and the motor 4 .

[0030] In summary, the design of the entire system allows the feeding, heating, stirring and condensing processes to be carried out continuously, reducing the intermittent time in production, making the reaction more uniform and effective, and improving the overall production efficiency.

[0031] It should be noted that the drawings only illustrate the technical ideas of the present invention, and the protection scope of the present invention cannot be limited by this shape. For ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present invention. These improvements and modifications all fall within the protection scope of the claims of the present invention.

Claims

1. A tetraethylammonium bromide stirring and mixing device, characterized in that: It includes a shell, a feeding system, a heating system, a stirring system and a circulating condensing system, wherein the feeding system is located above the shell, the heating system includes heating wires evenly distributed inside the shell and a temperature sensor located inside the shell, the stirring system includes a motor and a stirring rod, the motor is located on the top of the shell, the stirring rod is connected to the motor and extends downward into the shell; the circulating condensing system includes an exhaust port, an exhaust pipe, a water circulation condenser and a liquid return pipe.

2. A tetraethylammonium bromide stirring and mixing device according to claim 1, characterized in that: The exhaust port is connected to an exhaust pipe, the exhaust pipe is connected to a water circulation condenser, the other end of the water circulation condenser is connected to a liquid return pipe, the liquid return pipe is connected to a shell, and the water circulation condenser includes annular condensing tubes arranged in a spiral shape or at equal intervals.

3. A tetraethylammonium bromide stirring and mixing device according to claim 2, characterized in that: The exhaust port is provided with a one-way valve.

4. A tetraethylammonium bromide stirring and mixing device according to claim 2, characterized in that: The water circulation condenser is provided with a water inlet pipe and a water outlet pipe. The water inlet pipe is provided with a cooling water flow meter, and the water outlet pipe is provided with a temperature display.

5. A tetraethylammonium bromide stirring and mixing device according to claim 1, characterized in that: At least two arcuate stirring blades are connected to the stirring rod, and a plurality of protrusions are arranged on the stirring blades.

6. A tetraethylammonium bromide stirring and mixing device according to claim 1, characterized in that: The shell is provided with a visual window, and a heat insulation layer is provided outside the shell.

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