Temperature control device and reaction kettle

Abstract

The utility model provides a temperature control device and a reaction kettle, which belong to the technical field of chemical production, and comprise a temperature transmitter, a coil pipe structure, a first communicating pipe, a second communicating pipe, a liquid inlet pipeline, a liquid return pipeline, a heating pipeline, a gas inlet pipeline, a discharge pipeline, a plurality of valves and a control system, the temperature transmitter monitors the temperature in the reaction kettle, the coil pipe structure is provided with an inlet and an outlet, and the first communicating pipe and the second communicating pipe are connected to the coil pipe structure and are communicated with the inlet and the outlet respectively; the liquid inlet pipeline is connected with the first communicating pipe, the liquid return pipeline is connected with the second communicating pipe, the heating pipeline is connected with the second communicating pipe, the air inlet pipeline is connected with the second communicating pipe, the discharge pipeline is connected with the first communicating pipe, and the valve is electrically connected with the control system. According to the temperature control device provided by the utility model, the cooling, heating, purging and heat preservation operations of the reaction kettle can be automatically, quickly and accurately carried out, so that the accuracy of the temperature control and purging operations is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of chemical production, more specifically, relate to a temperature control device and reaction kettle. BACKGROUND

[0002] In the medical industry production process, the material is automatically cooled, automatic purging, automatic temperature rise and automatic temperature preservation, is indispensable operation. The existing device is through personnel control valve to realize feeding, through personnel control valve to realize cooling, through personnel control valve to coil purging, through personnel control stirring assembly frequency, but, through personnel control cooling cannot realize accurate control cooling end point, through personnel control coil purging cannot realize accurate control coil purging time, through personnel control temperature rise cannot realize accurate control temperature rise end point, through personnel control stirring frequency cannot realize multi-stage accurate control, the whole set of equipment automation degree is low, cannot remote central control safety interlock control, the scene human operation error is big. CONTENT

[0003] The utility model discloses a temperature control device and reaction kettle to solve the technical problem of poor operation accuracy of cooling, purging, temperature rise and temperature preservation in the chemical production process in the prior art.

[0004] In order to achieve the above object, the utility model adopts the technical scheme of providing a temperature control device, including temperature transmitter, coil structure, first communication pipe, second communication pipe, liquid inlet pipeline, liquid return pipeline, temperature rise pipeline, gas inlet pipeline, discharge pipeline, multiple valves and control system, the temperature transmitter is installed on the reaction kettle, and is used for monitoring the temperature in the reaction kettle, the coil structure is wound on the reaction kettle, and the inlet and outlet are arranged on the coil structure, the first communication pipe and the second communication pipe are all installed on the outside of the coil structure, and one end is connected to the coil structure, the first communication pipe is communicated with the inlet, and the second communication pipe is communicated with the outlet, the liquid inlet pipeline is connected with the first communication pipe, and is used for adding low temperature medium into the first communication pipe, the liquid return pipeline is connected with the second communication pipe, and is used for returning the low temperature medium in the coil structure, the temperature rise pipeline is connected with the second communication pipe, and is used for adding high temperature medium into the second communication pipe, the gas inlet pipeline is connected with the second communication pipe, and is used for adding high pressure gas into the second communication pipe, the discharge pipeline is connected with the first communication pipe, and is used for discharging the high temperature medium or high pressure gas in the coil structure, multiple valves are installed on the liquid inlet pipeline, the liquid return pipeline, the temperature rise pipeline, the gas inlet pipeline and the discharge pipeline respectively, and multiple valves are electrically connected with the control system.

[0005] In a possible implementation, the coil structure comprises a plurality of spiral pipes arranged in sequence along the height direction of the reactor, and each of the spiral pipes is provided with the inlet and the outlet; the first communication pipe is connected with the inlets of the plurality of spiral pipes, and the second communication pipe is connected with the outlets of the plurality of spiral pipes.

[0006] In a possible implementation, the first communication pipe is provided with a plurality of first branch pipes, the second communication pipe is provided with a plurality of second branch pipes, and the number of the first branch pipes and the second branch pipes is respectively the same as the number of the plurality of spiral pipes; the plurality of first branch pipes are respectively connected with the inlets of the plurality of spiral pipes, and the plurality of second branch pipes are respectively connected with the outlets of the plurality of spiral pipes.

[0007] In a possible implementation, the spiral pipe at the lowermost position covers the bottom of the reactor.

[0008] In a possible implementation, the number of the spiral pipes is three, and the spiral pipes are uniformly arranged at intervals on the reactor.

[0009] In a possible implementation, the inlet and the outlet are respectively located at the lower end and the upper end of the coil structure.

[0010] In a possible implementation, the heating pipeline is further provided with a steam regulating valve.

[0011] In a possible implementation, the discharge pipeline comprises a circulating upper water pipe and a bypass pipe arranged side by side, and one end of the circulating upper water pipe and the bypass pipe is connected with the first communication pipe; the circulating upper water pipe and the bypass pipe are both provided with a valve.

[0012] In a possible implementation, the control system is a distributed control system.

[0013] The temperature control device has the advantages that, compared with the prior art, the temperature control device of the utility model, by temperature transmitter monitoring the temperature in the reaction kettle, temperature transmitter transmits the temperature signal to the control system and analyzes and processes the signal by the control system; when the reaction kettle needs to be cooled, the control system opens the valves on the liquid inlet pipeline and the liquid return pipeline, and closes the valves on the heating pipeline, the gas inlet pipeline and the discharge pipeline, the low-temperature medium enters the first communication pipe through the liquid inlet pipeline, and enters the coil structure through the inlet; the low-temperature medium exchanges heat with the heat generated by the reaction kettle to reduce the temperature in the reaction kettle, and then the low-temperature medium enters the second communication pipe through the outlet, and enters the liquid return pipeline to be discharged, so that the cooling operation of the reaction kettle is completed; when the reaction kettle needs to be heated, the control system opens the valves on the heating pipeline and the discharge pipeline, and closes the valves on the liquid inlet pipeline, the liquid return pipeline and the gas inlet pipeline, the steam enters the second communication pipe through the heating pipeline, and enters the coil structure through the outlet; the steam exchanges heat with the heat generated by the reaction kettle to increase the temperature in the reaction kettle, and then the steam enters the first communication pipe through the inlet, and enters the discharge pipeline to be discharged, so that the heating operation of the reaction kettle is completed; during the process from the cooling operation to the heating operation, the control system opens the valves on the gas inlet pipeline and the discharge pipeline, and closes the valves on the liquid inlet pipeline, the liquid return pipeline and the heating pipeline, the compressed air enters the second communication pipe through the gas inlet pipeline, and enters the coil structure through the outlet; the compressed air blows the inside of the coil structure, and then the compressed air enters the first communication pipe through the inlet, and enters the discharge pipeline to be discharged, so that the blowing operation of the coil structure is completed; when the reaction kettle needs to be insulated, the control system opens the valves on the heating pipeline and the discharge pipeline, and closes the valves on the liquid inlet pipeline, the liquid return pipeline and the gas inlet pipeline, the time of the steam entering the coil structure is controlled to control the temperature in the reaction kettle, so that the insulation effect of the reaction kettle is achieved. In this way, the cooling, heating, blowing and insulation operations of the reaction kettle can be automatically, quickly and accurately performed, so that the accuracy of the temperature control and blowing operations is improved.

[0014] Another purpose of the utility model is to provide a reaction kettle which comprises the temperature control device of any one of the preceding temperature control devices.

[0015] The utility model provides a reaction kettle, because the temperature control device is adopted, the cooling, heating, blowing and insulation operations of the reaction kettle can be automatically, quickly and accurately performed, so that the accuracy of the temperature control and blowing operations is improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor.

[0017] Figure 1 The structure schematic diagram of the temperature control device provided by the embodiment of the present application is installed on a reaction kettle.

[0018] In the drawings, various reference signs:

[0019] 10, temperature transmitter; 11, coil structure; 12, first communication pipe; 13, second communication pipe; 14, liquid inlet pipeline; 15, liquid return pipeline; 16, temperature rising pipeline; 17, gas inlet pipeline; 18, discharge pipeline; 19, valve; 20, first branch pipe; 21, second branch pipe; 22, steam regulating valve; 23, circulating water pipe; 24, bypass pipe; 25, reaction kettle. DETAILED DESCRIPTION

[0020] In order to make the technical problems, technical solutions and beneficial effects of the present application more clearly understood, the following will further describe the present application in combination with the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application, and are not used to limit the present application.

[0021] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0022] It should be understood that the terms "length", "width", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only used to facilitate the description of the present application and simplify the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0023] In addition, the terms "first", "second", "third", "fourth", "fifth", "sixth", "seventh" and "eighth" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implying the number of the technical features indicated. Therefore, the features defined as "first", "second", "third", "fourth", "fifth", "sixth", "seventh" and "eighth" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "a plurality of" is two or more than two, unless otherwise specifically limited.

[0024] Please refer to Figure 1 The temperature transmitter 10 is installed on the reaction kettle 25 and is used to monitor the temperature in the reaction kettle 25. The coil structure 11 is wound on the reaction kettle 25, and the inlet and outlet are provided on the coil structure 11. The first communication pipe 12 and the second communication pipe 13 are both installed on the outside of the coil structure 11, and one end is connected to the coil structure 11. The first communication pipe 12 is connected to the inlet, and the second communication pipe 13 is connected to the outlet. The liquid inlet pipeline 14 is connected to the first communication pipe 12, used to add low-temperature medium into the first communication pipe 12. The liquid return pipeline 15 is connected to the second communication pipe 13, used to return the low-temperature medium in the coil structure 11. The heating pipeline 16 is connected to the second communication pipe 13, used to add high-temperature medium into the second communication pipe 13. The gas inlet pipeline 17 is connected to the second communication pipe 13, used to add high-pressure gas into the second communication pipe 13. The exhaust pipeline 18 is connected to the first communication pipe 12, used to exhaust the high-temperature medium or high-pressure gas in the coil structure 11. The plurality of valves 19 are respectively installed on the liquid inlet pipeline 14, the liquid return pipeline 15, the heating pipeline 16, the gas inlet pipeline 17 and the exhaust pipeline 18. The plurality of valves 19 are electrically connected to the control system.

[0025] The temperature control device compared with prior art, by temperature transmitter 10 monitors the temperature in the reaction kettle 25, temperature transmitter 10 transmits temperature signal to control system and by control system analysis processing signal;When needing to cool the reaction kettle 25, control system opens the valve 19 on liquid inlet pipeline 14 and liquid return pipeline 15, and closes the valve 19 on temperature rising pipeline 16, air inlet pipeline 17 and discharge pipeline 18, low temperature medium enters into first communication pipe 12 through liquid inlet pipeline 14, and enters into coil structure 11 through inlet;Low temperature exchanges heat with the heat generated by reaction kettle 25, so that the temperature in reaction kettle 25 is reduced, and then low temperature medium enters into second communication pipe 13 through outlet, and enters into liquid return pipeline 15 and is discharged, so that the cooling operation of reaction kettle 25 is completed.When needing to heat the reaction kettle 25, control system opens the valve 19 on temperature rising pipeline 16 and discharge pipeline 18, and closes the valve 19 on liquid inlet pipeline 14, liquid return pipeline 15 and air inlet pipeline 17, steam enters into second communication pipe 13 through temperature rising pipeline 16, and enters into coil structure 11 through outlet;Steam exchanges heat with the heat generated by reaction kettle 25, so that the temperature in reaction kettle 25 is increased, and then steam enters into first communication pipe 12 through inlet, and enters into discharge pipeline 18 and is discharged, so that the heating operation of reaction kettle 25 is completed.In the process between cooling operation and heating operation, control system opens the valve 19 on air inlet pipeline 17 and discharge pipeline 18, and closes the valve 19 on liquid inlet pipeline 14, liquid return pipeline 15 and temperature rising pipeline 16, compressed air enters into second communication pipe 13 through air inlet pipeline 17, and enters into coil structure 11 through outlet;Compressed air purges the inside of coil structure 11, and then compressed air enters into first communication pipe 12 through inlet, and enters into discharge pipeline 18 and is discharged, so that the purging operation of coil structure 11 is completed.When needing to heat the reaction kettle 25, control system opens the valve 19 on temperature rising pipeline 16 and discharge pipeline 18, and closes the valve 19 on liquid inlet pipeline 14, liquid return pipeline 15 and air inlet pipeline 17, by controlling the time of steam entering into coil structure 11, the temperature in reaction kettle 25 is controlled, so that the heat preservation effect of reaction kettle 25 is achieved.By this way, the cooling, heating, purging and heat preservation operation of reaction kettle 25 can be automatically, quickly and accurately carried out, so that the accuracy of temperature control and purging operation is improved.

[0026] The valve 19 is an electromagnetic valve, so as to be accurately and stably connected with the control system.

[0027] Please refer to Figure 1, as a specific embodiment of the temperature control device provided by the utility model, coil structure 11 includes multiple helical pipes arranged in turn along the height direction of the reaction kettle 25, and the inlet and outlet are arranged on each helical pipe; the first communication pipe 12 is connected with the inlets of the multiple helical pipes, and the second communication pipe 13 is connected with the outlets of the multiple helical pipes; multiple independently arranged helical pipes are arranged, and the helical pipes are wound on the outer side of the reaction kettle 25, so that in the cooling, heating, purging and heat preservation process, the whole temperature control device cannot be used due to local failure, and the reliability and stability of the whole temperature control device are improved. Specifically, the inlet and outlet are arranged on each helical pipe, the first communication pipe 12 is connected with the multiple inlets, and the second communication pipe 13 is connected with the multiple outlets, so as to complete the connection and communication operation of the multiple helical pipes.

[0028] Please refer to Figure 1 , as a specific embodiment of the temperature control device provided by the utility model, the first communication pipe 12 is provided with multiple first branch pipes 20, the second communication pipe 13 is provided with multiple second branch pipes 21, and the number of the first branch pipe 20 and the second branch pipe 21 is respectively same as the number of the multiple helical pipes; the multiple first branch pipes 20 are respectively connected with the inlets on the multiple helical pipes, and the multiple second branch pipes 21 are respectively connected with the outlets on the multiple helical pipes; multiple first branch pipes 20 are arranged on the first communication pipe 12, and multiple second branch pipes 21 are arranged on the second communication pipe 13, and the number of the first branch pipe 20 and the second branch pipe 21 is same as the number of the helical pipe. Multiple first branch pipes 20 are connected with the inlets on the multiple helical pipes, and multiple second branch pipes 21 are connected with the openings on the multiple helical pipes, so as to realize the connection and communication of the first communication pipe 12 and the second communication pipe 13 with the multiple helical pipes. In this way, the first communication pipe 12 and the second communication pipe 13 are more independent in connection with the multiple helical pipes, and the work is more stable.

[0029] Please refer to Figure 1 , as a specific embodiment of the temperature control device provided by the utility model, the helical pipe at the lowermost position covers the bottom of the reaction kettle 25; that is, the lower part of the helical pipe at the lowermost position is arranged on the bottom surface of the reaction kettle 25, and the upper part is also wound on the outer side surface of the lower end of the reaction kettle 25, so as to realize omnidirectional cooling, heating and heat preservation of the reaction kettle 25, and the working effect is better.

[0030] Preferably, the number of helical pipes is three, and they are uniformly arranged on the reaction kettle 25. Arranging three helical pipes can realize independent work of the coil structure 11, and can also make the connection complexity not too high.

[0031] Please refer to Figure 1As a specific embodiment of the temperature control device provided by the utility model, the inlet and the outlet are respectively located at the lower end and the upper end of the coil structure 11; through this structure, the low-temperature medium is used in a low-in and high-out mode in the cooling operation process, and the cooling effect is high. At the same time, the low-pressure gas used in the heating operation process is also used in a high-in and low-out mode, and the heating effect is high. At the same time, the purging mode is consistent with the heating mode, and the purging effect of the coil structure 11 is good.

[0032] Please refer to Figure 1 As a specific embodiment of the temperature control device provided by the utility model, the heating pipeline 16 is further provided with a steam regulating valve 22; the steam flow rate in the heating pipeline 16 can be effectively controlled by means of the steam regulating valve 22, so that the heat preservation operation of the reaction kettle 25 can be more accurately and reliably performed.

[0033] Please refer to Figure 1 As a specific embodiment of the temperature control device provided by the utility model, the exhaust pipeline 18 comprises a circulating water pipeline 23 and a bypass pipeline 24 arranged side by side, one end of the circulating water pipeline 23 and the bypass pipeline 24 is connected with the first communication pipe 12; the circulating water pipeline 23 and the bypass pipeline 24 are both provided with a valve 19; the bypass pipeline 24 is arranged side by side with the circulating water pipeline 23, and the bypass pipeline 24 serves as a standby pipeline of the circulating water pipeline 23, thereby improving the working reliability. Specifically, when cooling is needed, a water pump is arranged on the circulating water pipeline 23, and the circulating water pipeline 23 is connected with the liquid return pipeline 15, so that the circulating low-temperature medium is formed to cool the reaction kettle 25. When heating and purging are performed, the circulating water pipeline 23 is disconnected with the liquid return pipeline 15, and the steam or compressed air is discharged from the first communication pipe 12 into the circulating water pipeline 23.

[0034] Please refer to Figure 1 As a specific embodiment of the temperature control device provided by the utility model, the control system is a distributed control system; the distributed control system is abbreviated as DCS, adopts the basic design thought of control dispersion, operation and management centralization, adopts a multi-layer hierarchical and cooperative autonomous structure form, and its main feature is centralized management and distributed control. The distributed control system has the advantages of strong pertinence, high reliability, high information transmission efficiency and strong system adaptability.

[0035] Please refer to Figure 1 The utility model embodiment further provides a reaction kettle 25, and the reaction kettle 25 comprises the temperature control device in any one of the preceding aspects.

[0036] The reaction kettle 25 provided by the utility model adopts the temperature control device, so that the cooling, heating, purging and heat preservation operations of the reaction kettle 25 can be automatically, quickly and accurately performed, thereby improving the accuracy of temperature control and purging operation.

[0037] The above merely preferred embodiments of the present application are not used to limit the present application, and any modification, equivalent replacement and improvement etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A temperature control device, characterized by, The temperature transmitter is installed on the reaction kettle and is used for monitoring the temperature in the reaction kettle; the coil structure is wound on the reaction kettle, and the coil structure is provided with an inlet and an outlet; the first communication pipe and the second communication pipe are both installed on the outside of the coil structure, and one end of each is connected to the coil structure, the first communication pipe is connected to the inlet, and the second communication pipe is connected to the outlet; the liquid inlet pipeline is connected to the first communication pipe and is used for adding low-temperature medium into the first communication pipe; the liquid return pipeline is connected to the second communication pipe and is used for returning the low-temperature medium in the coil structure; the heating pipeline is connected to the second communication pipe and is used for adding high-temperature medium into the second communication pipe; the gas inlet pipeline is connected to the second communication pipe and is used for adding high-pressure gas into the second communication pipe; the discharge pipeline is connected to the first communication pipe and is used for discharging the high-temperature medium or high-pressure gas in the coil structure; a plurality of valves are respectively installed on the liquid inlet pipeline, the liquid return pipeline, the heating pipeline, the gas inlet pipeline and the discharge pipeline; and the plurality of valves are electrically connected to the control system.

2. The temperature control device of claim 1, wherein, The coil structure comprises a plurality of spiral pipes arranged in sequence along the height direction of the reaction kettle, and each spiral pipe is provided with the inlet and the outlet; the first communication pipe is connected to the inlets of the plurality of spiral pipes, and the second communication pipe is connected to the outlets of the plurality of spiral pipes.

3. The temperature control device as described in claim 2, characterized in that, The first communication pipe is provided with a plurality of first branch pipes, the second communication pipe is provided with a plurality of second branch pipes, and the number of the first branch pipes and the second branch pipes is respectively the same as the number of the plurality of spiral pipes; the plurality of first branch pipes are respectively connected to the inlets of the plurality of spiral pipes, and the plurality of second branch pipes are respectively connected to the outlets of the plurality of spiral pipes.

4. The temperature control device as described in claim 2, characterized in that, The spiral pipe located at the lowermost position covers the bottom of the reaction kettle.

5. The temperature control device of claim 4, wherein the temperature control device is configured to control the temperature of the temperature control device to a temperature within a range of 20-30 degrees Celsius. The number of the spiral pipes is three, and the spiral pipes are uniformly arranged at intervals on the reaction kettle.

6. The temperature control device of claim 1, wherein, The inlet and the outlet are respectively located at the lower end and the upper end of the coil structure.

7. The temperature control device of claim 1, wherein the temperature control device is configured to be used in a medical procedure. The heating pipeline is further provided with a steam regulating valve.

8. The temperature control device of claim 1, wherein, The discharge pipeline comprises a circulating water pipe and a bypass pipe arranged side by side, one end of each of the circulating water pipe and the bypass pipe is connected to the first communication pipe; the circulating water pipe and the bypass pipe are both provided with a valve.

9. The temperature control device of claim 1, wherein, The control system is a distributed control system.

10. A reaction vessel, characterized by, The temperature control device comprises the temperature control device according to any one of claims 1-9. The temperature control device comprises the temperature control device according to any one of claims 1-9.

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