Kettle cover heating device
By designing a kettle cover heating device in the reactor, the temperature of the kettle cover and the cylinder is uniformly controlled by using thermally conductive oil and electric heaters, the temperature difference caused by heating of the individual kettle is solved, and the reaction efficiency and temperature stability are improved. And extends the service life of thermally conductive oil.
Patent Information
- Application Number
- CN202323635059.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-29
- Publication Date
- 2024-12-27
- Estimated Expiration
- 2033-12-29
AI Technical Summary
In existing reactors, heating of a single cylinder body causes the temperature of the kettle cover to be too different from that of the cylinder body, affecting the reaction efficiency and product quality.
A kettle cover heating device is designed, including the closed cavity between the inner seal head and the jacketed seal head to be filled with thermal oil, and is equipped with a stirring base, a temperature sensor and an electric heater to accurately control the thermal oil temperature through the controller. And wrap the insulation layer on the outer surface, and use stainless steel or carbon steel materials and silicone oil to improve thermal conductivity and stability.
It improves the temperature uniformity and stability of the reactor, is suitable for high-temperature processes, extends the service life of thermally conductive oil, reduces energy consumption and avoids scalds.
Smart Images

Figure CN222240197U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field related to heating devices, in particular to a kettle cover heating device. Background Art
[0002] Reactor is a container used for physical or chemical reactions. Through the structural design and parameter configuration of the container, the heating, evaporation, cooling and mixing functions required by the process are realized. Reactor is widely used in the fields of petroleum, chemical industry, rubber, pesticide, dye, medicine and food. It is a pressure vessel used to complete the process of vulcanization, nitration, hydrogenation, hydrocarbonization, polymerization, condensation, etc.
[0003] The structure of the reactor is generally composed of a reactor body, a reactor cover, a jacket, an agitator, a transmission device, a shaft sealing device, a support, etc. The agitator can evenly mix the reactants through rotation. The heating / cooling device is used to control the temperature of the reactor to control the speed of the reaction and the quality of the reaction products. In the pharmaceutical, chemical and other related industries, reactor heating usually uses a barrel jacket or an inner coil heating, but some special processes have higher temperature requirements. The heating of the barrel alone will cause the temperature of the reactor cover to differ too much from that of the barrel, thereby affecting the reaction in the tank. Therefore, it is necessary to develop a reactor cover heating device to solve the above technical problems. Utility Model Content
[0004] In view of the above problems, the utility model provides a kettle cover heating device for solving the technical problem that the heating of a separate cylinder in the prior art causes a large temperature difference between the kettle cover and the cylinder, thereby affecting the reaction in the tank.
[0005] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is as follows: the utility model provides a kettle cover heating device, including an inner head, a closed cavity is formed between the inner head and the jacket head, and the cavity is filled with heat transfer oil; a stirring base is arranged between the inner head and the jacket head, and an interface for connecting a stirring device is arranged on the stirring base; the outer surfaces of the inner head and the jacket head are wrapped with a thermal insulation layer; the jacket head is respectively provided with an oil filling hole and an exhaust hole, and valves are arranged on the oil filling hole and the exhaust hole; a temperature sensor is arranged on the upper part of the jacket head; an electric heater for heating the heat transfer oil is arranged on the side end of the jacket head.
[0006] Beneficial effects of this implementation scheme: The utility model can improve the temperature uniformity and stability of the reactor, and is suitable for some special processes with high temperature requirements.
[0007] As a further improvement of the above solution, the electric heater is connected to the temperature sensor via a controller, and the controller controls the switch and power of the electric heater according to the signal of the temperature sensor.
[0008] In a preferred implementation, the beneficial effect produced is that the temperature of the heat transfer oil can be accurately controlled to avoid overheating or underheating.
[0009] As a further improvement of the above solution, the heat transfer oil is silicone oil.
[0010] Under the best implementation conditions, the beneficial effect produced is that the thermal conductivity and stability of the heat transfer oil can be improved, and the service life of the heat transfer oil can be extended.
[0011] As a further improvement of the above solution, the inner head and the jacket head are hemispherical or conical in shape.
[0012] Under the preferred implementation conditions, the beneficial effect produced is that the flow space and contact area of the heat transfer oil can be increased, thereby improving the heat transfer efficiency.
[0013] As a further improvement of the above solution, the inner head and the jacket head are made of stainless steel or carbon steel.
[0014] Under the preferred implementation conditions, the beneficial effect produced is that the strength and corrosion resistance of the kettle cover heating device can be improved, and the service life of the kettle cover heating device can be extended.
[0015] As a further improvement of the above solution, the material of the thermal insulation layer is rock wool or glass wool.
[0016] Under the preferred implementation, the beneficial effects produced are that heat loss can be reduced, energy consumption can be lowered, and burns during operation can be avoided. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is a schematic diagram of the utility model.
[0018] In the figure: 1. Inner head; 2. Jacket head; 3. Stirring base; 4. Oil filling hole; 5. Exhaust hole; 6. Temperature sensor; 7. Insulation layer; 8. Electric heater. DETAILED DESCRIPTION
[0019] In order to enable those skilled in the art to better understand the technical solution, the technical solution is described in detail below in conjunction with the embodiments. The description in this section is only exemplary and explanatory and should not have any limiting effect on the protection scope of the present utility model.
[0020] Embodiment 1:
[0021] like Figure 1As shown, the specific structure of this embodiment is: a kettle cover heating device, including an inner head 1, a closed cavity is formed between the inner head 1 and the jacket head 2, and the cavity is filled with heat transfer oil; a stirring base 3 is arranged between the inner head 1 and the jacket head 2, and an interface for connecting the stirring device is arranged on the stirring base 3; the outer surfaces of the inner head 1 and the jacket head 2 are wrapped with a thermal insulation layer 7; the jacket head 2 is respectively provided with an oil filling hole 4 and an exhaust hole 5, and valves are arranged on the oil filling hole 4 and the exhaust hole 5; a temperature sensor 6 is arranged on the upper part of the jacket head 2; and an electric heater 8 for heating the heat transfer oil is arranged on the side end of the jacket head 2.
[0022] The specific working principle of the utility model is as follows: the exhaust hole 5 and the valve of the oil filling hole 4 are opened, silicone oil is injected from the oil filling hole 4, the electric heater 8 is turned on, and the temperature sensor 6 controls the electric heater 8 to heat the heat transfer oil, which is silicone oil. When the set temperature is reached, the heating is stopped, and the insulation layer 7 can reduce heat loss and avoid burns during operation.
[0023] The stirring base 3 is welded to the inner head 1 and the jacket head 2; the device can be connected to a stirring device through the stirring base 3 to achieve effective stirring and mixing of the reaction materials.
[0024] The temperature sensor 6 is threadedly connected and arranged on the upper part of the jacket head 2 for detecting the temperature of the heat transfer oil; the insulation layer 7 is wrapped around the outer surface of the inner head 1 and the jacket head 2 for reducing heat loss, and the material of the insulation layer 7 is rock wool; the electric heater 8 is threadedly connected and arranged on the side of the jacket head 2 for heating the heat transfer oil. The electric heater 8 is connected to the temperature sensor 6 through a controller, and the controller controls the switch and power of the electric heater 8 according to the signal of the temperature sensor 6.
[0025] The device can conveniently charge and discharge the heat transfer oil through the oil filling hole 4 and the exhaust hole 5, thereby ensuring the circulation and replacement of the heat transfer oil.
[0026] Embodiment 2:
[0027] like Figure 1 As shown, as a preferred embodiment of the above embodiment, the inner head 1 and the jacket head 2 are in a hemispherical or conical shape. The remaining structure and working principle are the same as those of the specific embodiment 1. The beneficial effect of this embodiment is that the flow space and contact area of the heat transfer oil can be increased, and the heat transfer efficiency can be improved.
[0028] Embodiment 3:
[0029] like Figure 1 As shown, as a preferred embodiment of the above embodiment, the material of the inner head 1 and the jacket head 2 is stainless steel or carbon steel.
[0030] The remaining structures and working principles are the same as those of the specific embodiment 1, which can improve the strength and corrosion resistance of the kettle cover heating device and extend the service life of the kettle cover heating device.
[0031] It should be noted that, in this article, the terms "include", "comprises" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. Specific examples are used in this article to illustrate the principle and implementation of the technical solution of the utility model. The above examples are only used to help understand the method and core idea of the utility model. The above are only preferred implementations of the utility model. It should be pointed out that due to the limitations of textual expression and the objective existence of infinite specific structures, for ordinary technicians in this technical field, without departing from the principle of the utility model, several improvements, modifications or changes can be made, and the above technical features can also be combined in an appropriate manner; these improvements, modifications, changes or combinations, or the direct application of the concept and technical solution of the utility model to other occasions without improvement, should be regarded as the protection scope of the utility model.
Claims
1. A kettle cover heating device, comprising an inner head (1), characterized in that: A closed cavity is formed between the inner seal (1) and the jacket seal (2), and the cavity is filled with heat transfer oil; a stirring base (3) is arranged between the inner seal (1) and the jacket seal (2), and an interface for connecting a stirring device is arranged on the stirring base (3); the outer surfaces of the inner seal (1) and the jacket seal (2) are wrapped with a heat-insulating layer (7); an oil filling hole (4) and an exhaust hole (5) are respectively arranged on the jacket seal (2), and valves are arranged on the oil filling hole (4) and the exhaust hole (5); a temperature sensor (6) is arranged on the upper part of the jacket seal (2); and an electric heater (8) for heating the heat transfer oil is arranged at the side end of the jacket seal (2).
2. The kettle cover heating device according to claim 1, characterized in that: The electric heater (8) is connected to the temperature sensor (6) via a controller, and the controller controls the switch and power of the electric heater (8) according to the signal of the temperature sensor (6).
3. The kettle cover heating device according to claim 1, characterized in that: The heat transfer oil is silicone oil.
4. The kettle cover heating device according to claim 1, characterized in that: The inner head (1) and the jacket head (2) are hemispherical or conical in shape.
5. The kettle cover heating device according to claim 1, characterized in that: The inner seal head (1) and the jacket seal head (2) are made of stainless steel or carbon steel.
6. The kettle cover heating device according to claim 1, characterized in that: The material of the thermal insulation layer (7) is rock wool or glass wool.
