Temperature control device for alcohol amine production

Abstract

The utility model relates to the technical field of chemical production, and discloses a temperature control device for alcohol amine production, which comprises a bottom plate, an electric heating wire is fixedly connected to the inner wall of the bottom plate, a second hollow shell is fixedly connected to the middle of the bottom plate, and a first hollow shell is arranged on the outer wall of the second hollow shell. The bottom of the first hollow shell is fixedly connected with the top of the bottom plate, the outer wall of the left side of the first hollow shell is fixedly connected with a display panel, the outer wall of the front side of the first hollow shell is fixedly connected with a thermometer, the inner wall of the first hollow shell communicates with a water pump, and the left end of a cooling pipe communicates with a water return tank. According to the reaction kettle disclosed by the utility model, the asynchronous motor is started to enable the stirring fan to stir materials in the hollow shell I, and the water pump is started to pump liquid into the inner wall of the hollow shell I for cooling, so that the purpose of accurately controlling the reaction temperature is achieved, the accuracy of temperature control is improved, and the influence of unstable reaction on the product quality is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of chemical production, in particular to a temperature control device for the production of alkanolamines. Background Technique

[0002] Alkanolamines are a class of organic compounds containing an amino group and a hydroxyl functional group. They are derivatives of amine compounds and are widely used in various industrial and chemical applications. They can synthesize various chemicals, including surfactants, plastic additives, rubber chemicals, and dye intermediates. They can also be used to manufacture pesticides and fertilizers to improve their stability and effectiveness. However, they are irritating to the skin, eyes, and respiratory tract. Therefore, appropriate protective equipment should be worn during handling and stored in a well-ventilated place to avoid exposure to extreme temperatures and humidity. They have a wide range of uses but also a complex production process.

[0003] In industrial production, the production of alkanolamines uses a continuous flow reactor. First, raw materials are added to the reactor, and then alkanolamines are separated by distillation, filtration, and extraction. Subsequently, necessary purification steps are carried out to remove unreacted raw materials, by-products, and impurities. Finally, after the alkanolamine product undergoes cooling, drying, and packaging steps, it is stored. During the production process, attention needs to be paid to environmental protection and operation safety to ensure the sustainability and safety of production.

[0004] In the existing production process of alkanolamines, the temperature control device for the reaction kettle can roughly monitor and adjust the temperature when the raw materials are mixed and heated. However, in the face of complex temperature changes during the production process, it is difficult to achieve precise control, resulting in unstable reactions and affecting product quality. Summary of the Utility Model

[0005] In order to make up for the above deficiencies, the utility model provides a temperature control device for the production of alkanolamines, aiming to improve the problem that in the existing technology, the temperature control device for the reaction kettle in the production process of alkanolamines is difficult to achieve precise control in the face of complex temperature changes during the production process, resulting in unstable reactions.

[0006] To achieve the above object, the utility model adopts the following technical solutions: A temperature control device for the production of alkanolamine, including a bottom plate, the inner wall of the bottom plate is fixedly connected with a heating wire, the middle of the bottom plate is fixedly connected with a hollow outer shell two, the outer wall of the hollow outer shell two is provided with a hollow outer shell one, the bottom of the hollow outer shell one is fixedly connected with the top of the bottom plate, the left outer wall of the hollow outer shell one is fixedly connected with a display panel, the front outer walls of the hollow outer shell one are all fixedly connected with a thermometer, the inner wall of the hollow outer shell one is communicated with a water pump, the input end of the water pump is communicated with a cooling pipe, the left end of the cooling pipe is communicated with a return water tank, the inner wall of the hollow outer shell one is slidably connected with a top cover, the top of the top cover is fixedly connected with an asynchronous motor, the output end of the asynchronous motor is fixedly connected with a rotating column, the outer wall of the rotating column is fixedly connected with a plurality of stirring fans, the front side of the return water tank is communicated with a cleaning mechanism, and the cleaning mechanism is used for cleaning the inside of the device.

[0007] As a further description of the above technical solution:

[0008] The cleaning mechanism includes a telescopic hose, the bottom end of the telescopic hose is communicated with the front side of the return water tank, the inner wall of the telescopic hose is fixedly connected with a valve, the top end of the telescopic hose is communicated with a connecting pipe, the right end of the connecting pipe is communicated with a rotating connecting pipe, the middle of the outer wall of the rotating column is communicated with a plurality of cleaning discs, and the outer walls of the cleaning discs are all communicated with spray nozzles.

[0009] As a further description of the above technical solution:

[0010] The outer wall of the valve is threadedly connected with a rotating handle one, and the inner wall of the rotating connecting pipe is communicated with the inner wall of the rotating column.

[0011] As a further description of the above technical solution:

[0012] The top of the return water tank is communicated with a regulating valve, and the outer wall of the regulating valve is threadedly connected with a rotating handle two.

[0013] As a further description of the above technical solution:

[0014] A dust-proof plug is threadedly connected to the top of the return water tank near the edge, and a protective cover is fixedly connected to the top of the top cover near the edge.

[0015] As a further description of the above technical solution:

[0016] Screws are threadedly connected to the four corners of the bottom plate, and a discharge port is communicated with the inner wall of the hollow outer shell two.

[0017] As a further description of the above technical solution:

[0018] A controller is fixedly connected to the top of the bottom plate near the edge, and the controller is electrically connected to the water pump and the asynchronous motor respectively.

[0019] As a further description of the above technical solution:

[0020] A plurality of handles are fixedly connected to the outer wall of the top cover, and an anti-slip sleeve is fixedly connected to the outer wall of the handle.

[0021] The utility model has the following beneficial effects:

[0022] 1. In the utility model, by starting the asynchronous motor, the rotating column is driven to rotate, so that the stirring fan stirs the materials in the first hollow shell. Then, the heating wire is started for heating, and the temperature inside is detected by a plurality of thermometers. When the temperature is too high, the water pump is started to pump the liquid into the space between the second hollow shell and the first hollow shell for cooling, achieving the purpose of accurately controlling the reaction temperature, improving the accuracy of temperature control, and avoiding the influence of unstable reaction on the product quality.

[0023] 2. In the utility model, by opening the valve and closing the regulating valve, and starting the water pump and the asynchronous motor, the water flows from the return water tank through the gap between the second hollow shell and the first hollow shell into the telescopic hose, and then flows into the rotating column through the rotating connecting pipe and rotates and sprays out from the nozzle, achieving the purpose of quickly and automatically cleaning the used reactor, improving the production efficiency, reducing the labor cost, avoiding manual cleaning, and increasing the safety. Description of the drawings

[0024] Figure 1 The front side three-dimensional view of a temperature control device for alcohol amine production proposed by the utility model;

[0025] Figure 2 The side view of a temperature control device for alcohol amine production proposed by the utility model;

[0026] Figure 3 For Figure 2 The enlarged view of part A;

[0027] Figure 4 The sectional view of a temperature control device for alcohol amine production proposed by the utility model;

[0028] Figure 5 For Figure 4 The enlarged view of part B.

[0029] Legend description:

[0030] 1. Bottom plate; 2. Cleaning mechanism; 201. Telescopic hose; 202. Valve; 203. Connecting pipe; 204. Rotating connecting pipe; 205. Cleaning plate; 206. Sprinkler head; 3. Hollow outer shell one; 4. Water pump; 5. Top cover; 6. Thermometer; 7. Cooling pipe; 8. Return water tank; 9. Asynchronous motor; 10. Rotating column; 11. Hollow outer shell two; 12. Rotating handle one; 13. Stirring fan; 14. Electric heating wire; 15. Protective cover; 16. Controller; 17. Discharge port; 18. Anti-slip sleeve; 19. Handle; 20. Dust plug; 21. Rotating handle two; 22. Regulating valve; 23. Screw; 24. Display panel. Detailed implementation manner

[0031] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0032] Please refer to the attached Figure 1 - attached Figure 3 - As shown in the attached drawings, an embodiment provided by the present invention: A temperature control device for the production of alkanolamine includes a bottom plate 1. An electric heating wire 14 is fixedly connected to the inner wall of the bottom plate 1. A hollow outer shell two 11 is fixedly connected to the middle of the bottom plate 1. A hollow outer shell one 3 is arranged on the outer wall of the hollow outer shell two 11. The bottom of the hollow outer shell one 3 is fixedly connected to the top of the bottom plate 1. A display panel 24 is fixedly connected to the left outer wall of the hollow outer shell one 3. Thermometers 6 are fixedly connected to the front outer walls of the hollow outer shell one 3. A water pump 4 is communicated with the inner wall of the hollow outer shell one 3. The input end of the water pump 4 is communicated with a cooling pipe 7. The left end of the cooling pipe 7 is communicated with a return water tank 8. A top cover 5 is slidably connected to the inner wall of the hollow outer shell one 3. An asynchronous motor 9 is fixedly connected to the top of the top cover 5. The output end of the asynchronous motor 9 is fixedly connected to a rotating column 10. A plurality of stirring fans 13 are fixedly connected to the outer wall of the rotating column 10. A cleaning mechanism 2 is communicated with the front side of the return water tank 8. The cleaning mechanism 2 is used to clean the inside of the device. A regulating valve 22 is communicated with the top of the return water tank 8. A rotating handle two 21 is threadedly connected to the outer wall of the regulating valve 22;

[0033] Specifically, a thermometer 6 is fixedly connected to the front outer wall of the hollow outer shell 3. The thermometer 6 can measure the temperature of the material contained in the inner wall of the hollow outer shell 11. Moreover, the thermometers 6 are distributed at the upper, middle, and lower positions on the front outer wall of the hollow outer shell 3, enabling it to measure the reaction temperatures at different positions, avoiding the phenomena of temperature difference and incomplete temperature measurement. A display panel 24 is fixedly connected to the left outer wall of the hollow outer shell 3. The display panel 24 is used to display the data measured by the thermometer 6 in real time. The input end of the water pump 4 is connected to a cooling pipe 7, and the left end of the cooling pipe 7 is connected to a return water tank 8, thereby realizing circulating cooling. The rotating handle 2 can adjust the size of the regulating valve 22, thereby adjusting the amount of water flowing into the return water tank 8. The stirring fan 13 can stir the material contained in the inner wall of the hollow outer shell 11 to accelerate the reaction speed. The regulating valve 22 can adjust the flow rate of the water flowing back into the return water tank 8, thereby controlling the cooling rate. The rotating handle 2 can help the user rotate the regulating valve 22 to control the liquid flow rate passing through it.

[0034] Please refer to the attached Figure 3 - attached Figure 5 , the cleaning mechanism 2 includes a telescopic hose 201. The bottom end of the telescopic hose 201 is connected to the front side of the return water tank 8. A valve 202 is fixedly connected to the inner wall of the telescopic hose 201. The top end of the telescopic hose 201 is connected to a connecting pipe 203. The right end of the connecting pipe 203 is connected to a rotating connecting pipe 204. A plurality of cleaning discs 205 are connected to the middle part of the outer wall of the rotating column 10. Nozzles 206 are connected to the outer walls of the cleaning discs 205. A rotating handle 12 is threadedly connected to the outer wall of the valve 202. The inner wall of the rotating connecting pipe 204 is connected to the inner wall of the rotating column 10;

[0035] Specifically, the rotating handle 12 can facilitate the operator to adjust the opening and closing and flow rate of the valve 202. The nozzles 206 can spray water to the area to be cleaned. At the same time, the rotation of the rotating column 10 causes the cleaning discs 205 to rotate, thereby driving the nozzles 206 to rotate and spray, expanding the cleaning range and cleaning angle, and improving the cleaning efficiency. The telescopic hose 201 can stretch and contract as the top cover 5 is lifted, enabling the top cover 5 to be freely opened and guiding the water flow into the gap between the hollow outer shell 11 and the hollow outer shell 3.

[0036] Please refer to the attached Figure 2 - attached Figure 4 , a dust-proof plug 20 is threadedly connected to the top of the return water tank 8 near the edge. A protective cover 15 is fixedly connected to the top of the top cover 5 near the edge. A controller 16 is fixedly connected to the top of the bottom plate 1 near the edge. The controller 16 is electrically connected to the water pump 4 and the asynchronous motor 9 respectively. Screws 23 are threadedly connected to the four corners of the bottom plate 1. A discharge port 17 is connected to the inner wall of the hollow outer shell 11. A plurality of handles 19 are fixedly connected to the outer walls of the top cover 5. An anti-slip sleeve 18 is fixedly connected to the outer wall of the handle 19;

[0037] Specifically, the discharge port 17 can discharge the materials after the reaction is completed or the sewage after cleaning, the dust-proof plug 20 can prevent dust and other impurities from entering the inside of the water return tank 8, the handle 19 can facilitate the user to lift the top cover 5, the anti-slip sleeve 18 can effectively prevent hand slippage during handling to ensure the use safety, the controller 16 is responsible for coordinating and controlling the operation of the entire system, the screw 23 not only plays a fixing role but also enhances the strength of the overall structure, and the main function of the protective cover 15 is to protect the internal structure from external damage. Among them, the model of the asynchronous motor 9 is YE2-160L-4, and the model of the water pump 4 is IS80-65-160.

[0038] Working principle: When it is necessary to produce alkanolamine in the reaction kettle, first start the asynchronous motor 9 to drive the rotating column 10 to rotate, thereby driving the stirring fan 13 to rotate together to stir the materials in the hollow outer shell II 11 evenly, and start the heating wire 14 to heat it. At the same time, the temperature of the materials inside is monitored by multiple thermometers 6 and displayed on the display panel 24. When the temperature is too high, rotate the rotating handle II 21 to open the regulating valve 22, start the water pump 4 to pump the liquid in the water return tank 8 into the gap between the hollow outer shell I 3 and the hollow outer shell II 11, and send the heated liquid into the water return tank 8, and cool it through the cooling pipe 7 and then send it into the gap again from the water pump 4;

[0039] When the production is completed and the inside of the device needs to be cleaned, start the water pump 4 and the asynchronous motor 9, rotate the rotating handle I 12 to open the valve 202, close the regulating valve 22 at the same time, and then rotate the rotating handle II 21 to open the regulating valve 22, so as to pump the water in the water return tank 8 from the gap between the hollow outer shell I 3 and the hollow outer shell II 11 into the telescopic hose 201, and then send it into the rotating column 10 through the connecting pipe 203 and the rotating connecting pipe 204, and then through the cleaning disc 205, and rotate and spray out from the nozzle 206 to wash the device. After the cleaning is completed, open the discharge port 17 to discharge the sewage.

[0040] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A temperature control device for producing alcohol amines, comprising a base plate (1), characterized in that: The inner wall of the bottom plate (1) is fixedly connected to an electric heating wire (14); the middle part of the bottom plate (1) is fixedly connected to a hollow shell 2 (11); the outer wall of the hollow shell 2 (11) is provided with a hollow shell 1 (3); the bottom of the hollow shell 1 (3) is fixedly connected to the top of the bottom plate (1); the left outer wall of the hollow shell 1 (3) is fixedly connected to a display panel (24); the front outer wall of the hollow shell 1 (3) is fixedly connected to a thermometer (6); the inner wall of the hollow shell 1 (3) is connected to a water pump (4); The input end of the water pump (4) is connected to a cooling pipe (7), the left end of the cooling pipe (7) is connected to a return water tank (8), the inner wall of the hollow shell (3) is slidably connected to a top cover (5), the top of the top cover (5) is fixedly connected to an asynchronous motor (9), the output end of the asynchronous motor (9) is fixedly connected to a rotating column (10), the outer wall of the rotating column (10) is fixedly connected to a plurality of stirring fans (13), the front side of the return water tank (8) is connected to a cleaning mechanism (2), and the cleaning mechanism (2) is used to clean the inside of the device.

2. The temperature control device for producing alcoholamines according to claim 1, characterized in that: The cleaning mechanism (2) comprises a telescopic hose (201), the bottom end of the telescopic hose (201) being connected to the front side of the return water tank (8), the inner wall of the telescopic hose (201) being fixedly connected to a valve (202), the top end of the telescopic hose (201) being connected to a connecting pipe (203), the right end of the connecting pipe (203) being connected to a rotating connecting pipe (204), the middle part of the outer wall of the rotating column (10) being connected to a plurality of cleaning discs (205), and the outer walls of the cleaning discs (205) being connected to spray heads (206).

3. A temperature control device for producing alcoholamines according to claim 2, characterized in that: The outer wall of the valve (202) is threadedly connected to a rotating handle (12), and the inner wall of the rotating connecting tube (204) is in communication with the inner wall of the rotating column (10).

4. The temperature control device for producing alcoholamines according to claim 1, characterized in that: The top of the return water tank (8) is connected to a regulating valve (22), and the outer wall of the regulating valve (22) is threadedly connected to a second rotating handle (21).

5. The temperature control device for producing alcoholamines according to claim 1, characterized in that: A dust plug (20) is threadedly connected to the top of the return water tank (8) near the edge, and a protective cover (15) is fixedly connected to the top of the top cover (5) near the edge.

6. The temperature control device for producing alcoholamines according to claim 1, characterized in that: The four corners of the bottom plate (1) are all threadedly connected with screws (23), and the inner wall of the second hollow shell (11) is connected to a discharge port (17).

7. The temperature control device for producing alcoholamines according to claim 1, characterized in that: A controller (16) is fixedly connected to the top of the bottom plate (1) near the edge, and the controller (16) is electrically connected to the water pump (4) and the asynchronous motor (9) respectively.

8. The temperature control device for producing alcoholamines according to claim 1, characterized in that: A plurality of handles (19) are fixedly connected to the outer wall of the top cover (5), and an anti-slip sleeve (18) is fixedly connected to the outer wall of the handle (19).

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