Raw material preheating device

Abstract

The utility model discloses a raw material preheating treatment device, including mixing kettle, beat material pump, heat exchanger, circulating thermometer, circulating regulating valve, heat exchanger steam feed adjusting valve, discharge adjusting valve, discharge thermometer, mixing kettle steam feed adjusting valve, mixing kettle thermometer, stirring mechanism, circulating temperature - circulating regulating valve - discharge adjusting valve interlock unit, and the feed port of mixing kettle is connected with the discharge port of heat exchanger through circulating regulating valve, and circulating thermometer is set between the discharge port of heat exchanger and circulating regulating valve, discharge adjusting valve. The utility model can accurately control the discharge temperature, reduce the energy consumption of production process, effectively improve the quality and stability of product, adjust the temperature of material through the circulation flux of adjusting mixing kettle steam, heat exchanger steam, material, effectively avoid the phenomenon that raw material crystallization or temperature excursion is caused by high kettle temperature fluctuation in the process of feeding, realize continuous feeding and discharge process, reach the continuous production mode.

Description

Technical Field

[0001] This utility model belongs to the field of chemical equipment technology, specifically relating to a raw material preheating treatment device. Background Technology

[0002] In chemical production processes, raw materials need to be pre-treated before being fed into the reactor for the next process. Existing technologies often result in high energy consumption and unstable temperatures due to large temperature differences during raw material feeding. Inaccurate temperature control during raw material pre-treatment directly affects the quality and performance of the product.

[0003] Therefore, a raw material preheating treatment device is urgently needed. Utility Model Content

[0004] To address the shortcomings of existing technologies, this utility model provides a raw material preheating treatment device.

[0005] To solve the above-mentioned technical problems, this utility model provides the following technical solution:

[0006] This utility model provides a raw material preheating treatment device, including a mixing vessel, a feeding pump, a heat exchanger, a circulating thermometer, a circulating regulating valve, a heat exchanger steam feed regulating valve, a discharge regulating valve, a discharge thermometer, a mixing vessel steam feed regulating valve, a mixing vessel thermometer, and a stirring mechanism. The outer wall of the mixing vessel is provided with a heating coil or a heating jacket. The inlet and outlet of the heating coil or heat exchange jacket are respectively provided with a mixing vessel steam feed regulating valve and a mixing vessel steam discharge valve. The mixing vessel thermometer is inserted into the mixing vessel, and the stirring mechanism is rotatably installed in the mixing vessel.

[0007] The discharge port of the mixing vessel is connected to the inlet of the feeding pump, the discharge port of the feeding pump is connected to the inlet of the heat exchanger, the discharge port of the heat exchanger is connected to the inlet of the mixing vessel through a circulation regulating valve, and the discharge port of the heat exchanger is also connected to a discharge regulating valve. A circulation thermometer is installed between the discharge port of the heat exchanger and the circulation regulating valve and the discharge regulating valve. The discharge thermometer is installed at the discharge port of the discharge regulating valve. A heat exchanger steam feed regulating valve and a heat exchanger steam discharge valve are respectively connected to the air inlet and air outlet of the heat exchanger. A circulation temperature-circulation regulating valve-discharge regulating valve interlocking unit is provided between the circulation thermometer, the circulation regulating valve, and the discharge regulating valve.

[0008] Preferably, the discharge temperature gauge, the heat exchanger steam feed regulating valve, and the circulation regulating valve are further provided with an interlocking unit for the discharge temperature, the heat exchanger steam feed regulating valve, and the circulation regulating valve, so as to adjust the opening degree of the heat exchanger steam feed regulating valve and the circulation regulating valve according to the discharge temperature.

[0009] Preferably, a mixing vessel steam feed regulating valve-temperature interlock unit is also provided between the mixing vessel steam feed regulating valve and the mixing vessel thermometer, so as to adjust the opening degree of the mixing vessel steam feed regulating valve according to the mixing vessel temperature.

[0010] Preferably, the mixing vessel temperature, circulation regulating valve, and discharge regulating valve are further provided with a mixing vessel temperature-circulation regulating valve-discharge regulating valve interlocking unit, which adjusts the opening degree of the circulation regulating valve and the discharge regulating valve according to the mixing vessel temperature.

[0011] Preferably, the discharge temperature-steam feed regulating valve-circulation regulating valve interlock unit, the mixing vessel steam feed regulating valve-temperature interlock unit, and the mixing vessel temperature-circulation regulating valve-discharge regulating valve interlock unit are controlled by a computer.

[0012] Preferably, the volume of the mixing vessel is in the range of 2~100m³, and the diameter of the circulation regulating valve is in the range of DN20~100.

[0013] Compared with the prior art, this utility model has the following advantages:

[0014] This invention employs temperature interlock control through the design of regulating valves and pipelines, enabling accurate control of the discharge temperature within ±0.5℃. This reduces energy consumption during production and effectively improves product quality and stability. By adjusting the circulation flow of steam in the mixing vessel, steam in the heat exchanger, and the material, the material temperature is regulated, effectively preventing high temperature fluctuations in the mixing vessel during the feeding process that could lead to raw material crystallization or temperature cross-contamination. This achieves continuous feeding and discharging, enabling a continuous production mode. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of a raw material preheating treatment device according to the present invention. Detailed Implementation

[0016] The preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are for illustration and explanation only and are not intended to limit the present invention.

[0017] In the description of this utility model, it should be understood that the terms "upper," "lower," "left," "right," etc., indicating the orientation or positional relationship are all based on the accompanying drawings. Figure 1 The orientations or positional relationships shown are for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0018] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0019] like Figure 1 As shown, this embodiment provides a raw material preheating treatment device, including a mixing vessel 1, a feeding pump 2, a heat exchanger, a circulating thermometer 3, a circulating regulating valve 4, a heat exchanger steam feed regulating valve 5, a discharge regulating valve 6, a discharge thermometer 7, a mixing vessel steam feed regulating valve 10, a mixing vessel thermometer 12, and a stirring mechanism 14. The outer wall of the mixing vessel 1 is provided with a heating coil or a heating jacket. The inlet and outlet of the heating coil or heat exchange jacket are respectively provided with a mixing vessel steam feed regulating valve 10 and a mixing vessel steam discharge valve. The mixing vessel thermometer 12 is inserted into the mixing vessel 1, and the stirring mechanism 14 is rotatably disposed in the mixing vessel 1.

[0020] The discharge port of the mixing vessel 1 is connected to the inlet of the feeding pump 2, and the discharge port of the feeding pump 2 is connected to the inlet of the heat exchanger. The discharge port of the heat exchanger is connected to the inlet of the mixing vessel 1 through the circulation regulating valve 4, and the discharge port of the heat exchanger is also connected to the discharge regulating valve 6. The circulation thermometer 3 is installed between the discharge port of the heat exchanger and the circulation regulating valve 4 and the discharge regulating valve 6. The discharge thermometer 7 is installed at the discharge port of the discharge regulating valve 6. The heat exchanger steam feed regulating valve 5 and the heat exchanger steam discharge valve are respectively connected to the air inlet and air outlet of the heat exchanger. A circulation temperature-circulation regulating valve-discharge regulating valve interlocking unit is provided between the circulation thermometer 3, the circulation regulating valve 4, and the discharge regulating valve 6.

[0021] In this embodiment, an interlocking unit 8 is provided between the discharge temperature gauge 7, the heat exchanger steam feed regulating valve 5, and the circulation regulating valve 4. The opening of the heat exchanger steam feed regulating valve and the circulation regulating valve is adjusted according to the discharge temperature. The material temperature in the heat exchanger is adjusted by adjusting the steam in the heat exchanger, thereby adjusting the material temperature in the mixing vessel.

[0022] In this embodiment, a mixing vessel steam feed regulating valve-temperature interlock unit 11 is also provided between the mixing vessel steam feed regulating valve 10 and the mixing vessel thermometer 12. The opening of the mixing vessel steam feed regulating valve is adjusted according to the mixing vessel temperature, and the material temperature in the mixing vessel is adjusted by adjusting the steam in the mixing vessel.

[0023] In this embodiment, a mixing vessel temperature-circulation control valve-discharge control valve interlocking unit 13 is also provided between the mixing vessel thermometer 12, the circulation control valve 4, and the discharge control valve 6. The opening of the circulation control valve and the discharge control valve is adjusted according to the discharge temperature, and the material temperature in the mixing vessel is adjusted by adjusting the material circulation flow.

[0024] In this embodiment, the discharge temperature-steam feed regulating valve-circulation regulating valve interlocking unit 8, the mixing kettle steam feed regulating valve-temperature interlocking unit 11, and the mixing kettle temperature-circulation regulating valve-discharge regulating valve interlocking unit 13 are controlled by computer 9.

[0025] Depending on the actual situation, the volume range of the mixing vessel 1 can be 2, 50, or 100 m³, and the pipe diameter range of the circulation regulating valve 4 can be DN20, 60, or 100.

[0026] The working principle of this embodiment will be further explained below:

[0027] During raw material preheating, the feeding pump 2, heat exchanger steam feed regulating valve 5, and circulation regulating valve 4 are first turned on to preheat the mixing vessel. The interlocking units of circulation temperature-circulation regulating valve-discharge regulating valve, discharge temperature-steam feed regulating valve-circulation regulating valve, steam feed regulating valve-temperature regulating valve, steam feed regulating valve-temperature regulating valve, steam feed regulating valve-temperature regulating valve, and steam feed regulating valve on the vessel, and temperature-circulation regulating valve on the vessel, and discharge regulating valve, temperature regulating valve, and discharge regulating valve, are then opened. The interlocking units adjust the opening of each valve according to the temperature until the circulation thermometer 3 reaches the discharge temperature, at which point the discharge regulating valve 6 will open. This allows for accurate control of the discharge temperature, which is ±0.5℃, reducing energy consumption in the production process and effectively improving product quality and stability. By adjusting the circulation flow of steam in the mixing vessel, steam in the heat exchanger, and the material, the temperature of the material is regulated, effectively avoiding high temperature fluctuations in the vessel during the feeding process that could lead to raw material crystallization or temperature cross-contamination. This achieves continuous feeding and discharging, enabling a continuous production mode.

[0028] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A raw material preheating treatment device, characterized in that, The mixture includes a mixing vessel (1), a feeding pump (2), a heat exchanger, a circulating thermometer (3), a circulating regulating valve (4), a heat exchanger steam feed regulating valve (5), a discharge regulating valve (6), a discharge thermometer (7), a mixing vessel steam feed regulating valve (10), a mixing vessel thermometer (12), and a stirring mechanism (14). The outer wall of the mixing vessel (1) is provided with a heating coil or a heating jacket. The inlet and outlet of the heating coil or heat exchange jacket are respectively provided with a mixing vessel steam feed regulating valve (10) and a mixing vessel steam discharge valve. The mixing vessel thermometer (12) is inserted into the mixing vessel (1), and the stirring mechanism (14) is rotatably installed in the mixing vessel (1). The outlet of the mixing vessel (1) is connected to the inlet of the feeding pump (2), the outlet of the feeding pump (2) is connected to the inlet of the heat exchanger, the outlet of the heat exchanger is connected to the inlet of the mixing vessel (1) through the circulation regulating valve (4), the outlet of the heat exchanger is also connected to the outlet regulating valve (6), the circulation thermometer (3) is set between the outlet of the heat exchanger and the circulation regulating valve (4) and the outlet regulating valve (6), the outlet thermometer (7) is set at the outlet of the outlet regulating valve (6), the heat exchanger steam feed regulating valve (5) and the heat exchanger steam discharge valve are respectively connected to the air inlet and air outlet of the heat exchanger, and a circulation temperature-circulation regulating valve-outlet regulating valve interlocking unit is provided between the circulation thermometer (3), the circulation regulating valve (4) and the outlet regulating valve (6).

2. The raw material preheating treatment device according to claim 1, characterized in that, The discharge temperature gauge (7), the heat exchanger steam feed regulating valve (5), and the circulation regulating valve (4) are also provided with a discharge temperature-heat exchanger steam feed regulating valve-circulation regulating valve interlocking unit (8), which adjusts the opening degree of the heat exchanger steam feed regulating valve and the circulation regulating valve according to the discharge temperature.

3. The raw material preheating treatment device according to claim 2, characterized in that, A mixing vessel steam feed regulating valve-temperature interlock unit (11) is also provided between the mixing vessel steam feed regulating valve (10) and the mixing vessel thermometer (12) to regulate the opening degree of the mixing vessel steam feed regulating valve according to the mixing vessel temperature.

4. The raw material preheating treatment device according to claim 3, characterized in that, A mixing vessel temperature-circulation control valve-discharge control valve interlocking unit (13) is also provided between the mixing vessel temperature (12), the circulation control valve (4), and the discharge control valve (6), which adjusts the opening degree of the circulation control valve and the discharge control valve according to the mixing vessel temperature.

5. The raw material preheating treatment device according to claim 4, characterized in that, The discharge temperature-steam feed regulating valve-circulation regulating valve interlocking unit (8), the mixing kettle steam feed regulating valve-temperature interlocking unit (11), and the mixing kettle temperature-circulation regulating valve-discharge regulating valve interlocking unit (13) are controlled by a computer (9).

6. The raw material preheating treatment device according to claim 5, characterized in that, The volume range of the mixing vessel (1) is 2~100m³, and the pipe diameter range of the circulation regulating valve (4) is DN20~100.

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