CN217614664U - Reation kettle temperature control system - Google Patents
Reation kettle temperature control system Download PDFInfo
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- CN217614664U CN217614664U CN202221008095.8U CN202221008095U CN217614664U CN 217614664 U CN217614664 U CN 217614664U CN 202221008095 U CN202221008095 U CN 202221008095U CN 217614664 U CN217614664 U CN 217614664U
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Abstract
The utility model discloses a reation kettle temperature control system aims at the temperature that can each warm area of independent control, can carry out active heating and active cooling, its technical scheme to the warm area: a temperature control system of a reaction kettle comprises a plurality of heat conduction cavities which are sleeved on the outer wall of the reaction kettle from top to bottom at intervals, wherein the heat conduction cavities are provided with oil inlets and oil outlets; the temperature control loop comprises a main loop, one end of the main loop is communicated with the oil inlet, the other end of the main loop is divided into a first branch and a second branch, and the first branch and the second branch are communicated with the oil conveying pipe through one switching module, and the temperature control loop belongs to the technical field of reaction kettle production.
Description
Technical Field
The utility model belongs to the technical field of reation kettle production, more specifically, relate to a reation kettle temperature control system.
Background
CN216260769U discloses a polyester polyol production facility with multistage heating control system belongs to polyester polyol production technical field, and its technical scheme main points include the cauldron body, the motor is installed to the up end of the cauldron body, the output fixedly connected with pivot of motor, the equal fixed connection in the outer wall of the cauldron body of three heated warehouses and be distribution from top to bottom to constitute three heating region, heat the top middle part and the bottom of the cauldron body respectively, can the inside electrical heating piece of three heated warehouses of independent control through the control box, thereby realize multistage independent control, temperature about the internal portion of flexible control cauldron about.
In the production equipment, the kettle body is divided into a plurality of temperature areas, the temperature of each temperature area can be independently controlled, but the kettle body can only be actively heated and cannot be actively cooled, and when in actual production, the temperature of a certain temperature area sometimes needs to be rapidly reduced, and the actual production requirement cannot be met by adopting the temperature control system.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a main aim at provides a reation kettle temperature control system, aims at the temperature that can each warm area of independent control, can carry out active heating and active cooling to the warm area.
According to a first aspect of the utility model, a temperature control system of a reaction kettle is provided, which comprises a plurality of heat conduction cavities which are sleeved on the outer wall of the reaction kettle from top to bottom at intervals, wherein the heat conduction cavities are provided with an oil inlet and an oil outlet, and the temperature control system further comprises an oil storage tank, wherein the oil storage tank is provided with an oil conveying pipe and an oil return pipe, the oil inlet is communicated with the oil conveying pipe through a temperature control loop, and the oil outlet is communicated with the oil return pipe through a return pipe;
the temperature control loop comprises a main loop, one end of the main loop is communicated with the oil inlet, the other end of the main loop is divided into a first branch and a second branch, the first branch and the second branch are communicated with the oil conveying pipe through one switching module, a heating device used for heating heat conduction oil in the main loop is arranged on the main loop, a cooling device used for cooling the heat conduction oil in the first branch is arranged on the first branch, and a high-temperature pump and a pressure sensor are arranged on the oil conveying pipe.
In the temperature control system of the reaction kettle, the first branch and the second branch are communicated with the oil conveying pipe, the switching module comprises a first valve arranged on the first branch and a second valve arranged on the second branch, and the first valve is positioned between the cooling device and the oil conveying pipe.
In the above temperature control system for the reaction kettle, the main loop is provided with a third valve, the third valve is located between the heating device and the oil inlet, the oil pipeline is provided with a first temperature sensor, and the section of the main loop between the heating device and the third valve is provided with a second temperature sensor.
In the above temperature control system for the reaction kettle, the return pipe is provided with a fourth valve.
In the above temperature control system for the reaction kettle, the heating device comprises a high-frequency heater sleeved on the main loop.
Among the foretell reation kettle temperature control system, cooling device is the liquid cooler, still includes the liquid storage pot that is used for storing the coolant liquid, be equipped with a drain pipe and a liquid return pipe on the liquid storage pot, it is a plurality of the input of liquid cooler communicates with the drain pipe respectively, and is a plurality of the output of liquid cooler communicates with liquid return pipe respectively, be equipped with the power pump on the drain pipe.
In the above temperature control system for the reaction kettle, the section of the main loop between the heating device and the oil inlet is sleeved with a heat insulation sleeve.
In the above-mentioned reactor temperature control system, the system further comprises a controller, and the switching module, the heating device, the cooling device, the high-temperature pump and the pressure sensor are respectively connected with the controller.
The utility model discloses a technical scheme has following advantage or one of beneficial effect at least among the above-mentioned technical scheme:
the utility model discloses in control the temperature of each warm area on reation kettle through inputing the conduction oil into the heat conduction cavity, when the temperature of warm area is improved to needs, let the second branch road switch on with defeated oil pipe, the high temperature pump starts circulation and carries the conduction oil, the conduction oil can promote the temperature when heating device, and then provide the heat for the warm area, when the temperature of warm area is reduced to needs, first branch road switches on, cooling device starts and heating device closes, the high temperature pump starts circulation and carries the conduction oil, the conduction oil can reduce the temperature when cooling device, and then take away the heat of warm area, with the temperature of this each warm area of independent control, can carry out active heating and active cooling to the warm area, can be applicable to more use scenes.
Drawings
The present invention will be further described with reference to the accompanying drawings and examples;
fig. 1 is a schematic structural diagram of embodiment 1 of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
The following disclosure provides many different embodiments or examples for implementing different aspects of the invention.
Example 1
Referring to fig. 1, in an embodiment of the present invention, a temperature control system for a reaction kettle 1 includes a plurality of heat conduction chambers 2 spaced from top to bottom on an outer wall of the reaction kettle 1, the heat conduction chambers 2 are provided with an oil inlet and an oil outlet, and further includes an oil storage tank 3, the oil storage tank 3 is provided with an oil delivery pipe 31 and an oil return pipe 32, the oil inlet and the oil delivery pipe 31 are communicated with each other through a temperature control loop 4, the oil outlet and the oil return pipe 32 are communicated with each other through a return pipe 5, the heat conduction chambers 2, the return pipe 5, the oil return pipe 32, the oil storage tank 3, the oil delivery pipe 31 and the temperature control loop 4 form a circulation loop, the reaction kettle 1 is divided into a plurality of temperature zones according to the heat conduction chambers 2, and each temperature zone is controlled by one circulation loop;
the temperature control loop 4 comprises a main loop 41, one end of the main loop 41 is communicated with an oil inlet, the other end of the main loop 41 is divided into a first branch 42 and a second branch 43, the first branch 42 and the second branch 43 are alternatively communicated with the oil delivery pipe 31 through a switching module, a heating device 6 for heating heat conduction oil in the main loop 41 is arranged on the main loop 41, a cooling device 7 for cooling the heat conduction oil in the first branch 42 is arranged on the first branch 42, and a high-temperature pump 33 and a pressure sensor 34 are arranged on the oil delivery pipe 31;
when the temperature of the temperature zone needs to be increased, the switching module enables the second branch 43 to be communicated with the oil conveying pipe 31, the high-temperature pump 33 starts to circularly convey heat conduction oil, the heat conduction oil can increase the temperature when passing through the heating device 6, and further provides heat for the temperature zone, when the temperature of the temperature zone needs to be reduced, the switching module enables the first branch 42 to be communicated, the cooling device 7 starts to circularly convey the heat conduction oil, the heat conduction oil can reduce the temperature when passing through the cooling device 7, and further takes away the heat of the temperature zone, so that the temperature of each temperature zone is independently controlled, the temperature zone can be actively heated and actively cooled, and the device can be suitable for more use scenes;
of course, the oil storage tank 3 is provided with an exhaust structure which can exhaust gas in the pipeline, and the oil storage tank 3 is also provided with an oil filling port which can supplement heat conduction oil.
As a specific expression of this embodiment, the number of the heat conducting chambers 2 is 3, the reaction kettle 1 can be divided into 3 temperature zones, and more heat conducting chambers 2 can be arranged according to actual needs during actual design;
moreover, 3 temperature zones are not required to be started every time the device is used, and if only two temperature zones are required, the circulation loop of the other temperature zone can be closed; because the number of the heat conduction chambers 2 needing oil supply is variable, the pressure on the oil delivery pipe 31 is changed, the power of the high-temperature pump 33 can be adjusted according to the value of the pressure sensor 34, the flow rate of the heat conduction oil in the temperature control loop 4 can be ensured to be stable, and the heating device 6 and the cooling device 7 are more accurate in temperature regulation and control.
In this embodiment, the heat conducting chamber 2 is formed in various ways, and an independent bin may be installed on the outer wall of the reaction kettle 1, so that the inner wall of the bin is attached to the outer wall of the reaction kettle 1, thereby forming the heat conducting chamber 2; or, a heat insulation sleeve is sleeved on the outer wall of the reaction kettle 1, so that a gap is formed between the inner wall of the heat insulation sleeve and the outer wall of the reaction kettle 1, and the heat conduction chambers 2 are separated into individual heat conduction chambers through partition plates.
Specifically, the first branch 42 and the second branch 43 are both communicated with the oil delivery pipe 31, the switching module comprises a first valve 44 arranged on the first branch 42 and a second valve 45 arranged on the second branch 43, and the first valve 44 is located between the cooling device 7 and the oil delivery pipe 31; whether the first branch 42 is communicated with the oil pipeline 31 or not is controlled by a first valve 44, and whether the second branch 43 is communicated with the oil pipeline 31 or not is controlled by a second valve 45;
when the temperature zone needs to be heated, the first valve 44 is closed, the first branch 42 is disconnected, the heat conduction oil cannot pass through the cooling device 7, the second valve 45 is opened, the second branch 43 is conducted, and the heat conduction oil can pass through the heating device 6 and then reach the heat conduction chamber 2; when the temperature zone needs to be cooled, the first valve 44 is opened to enable the first branch 42 to be conducted, the second valve 45 is closed to enable the second branch 43 to be disconnected, the heating device 6 is closed, the cooling device 7 is opened, and heat conduction oil can pass through the cooling device 7 and then reach the heat conduction chamber 2;
of course, it is also possible to employ a reversing valve as the switching module.
In this embodiment, the main circuit 41 is provided with a third valve 46, the third valve 46 is located between the heating device 6 and the oil inlet, the oil pipe 31 is provided with a first temperature sensor 47, when the first temperature sensor 47 detects that the temperature of the heat conduction oil to be input into the heat conduction chamber 2 does not meet the temperature, the third valve 46 can be closed first, the delivery of the high-temperature pump 33 is stopped, the temperature of the heat conduction oil is adjusted by the heating device 6 or the cooling device 7, and then the third valve 46 is opened for recirculation;
preferably, the second temperature sensor 35 is disposed on the section of the main loop 41 between the heating device 6 and the third valve 46, and can detect the temperature of the heat transfer oil output from the oil storage tank 3, because the heat transfer oil discharged from the heat transfer chamber 2 is collected into the oil storage tank 3, the oil temperature can be equalized, and the temperature of the heat transfer oil required by each temperature zone is different, the temperature of the heat transfer oil output from the oil storage tank 3 again may just reach the requirement of a certain temperature zone, so that the value of the second temperature sensor 35 can be called by the heating device 6 or the cooling device 7 to determine whether the heating device 6 or the cooling device 7 needs to be turned on, which is more energy-saving and environment-friendly.
In this embodiment, the return pipe 5 is provided with a fourth valve 51, which can cooperate with the third valve 46 to allow the heat conducting oil to stay in the heat conducting chamber 2 for a period of time to equalize the temperature.
Preferably, the heating device 6 comprises a high-frequency heater sleeved on the main loop 41, the high-frequency heater can be used for heating the heat conduction oil in the pipeline of the main loop 41 from the outside, and the heating efficiency is high.
In this embodiment, the cooling device 7 is a liquid cooler 71, and also cools the heat conducting oil in the pipeline of the first branch 42 from the outside; the cooling system further comprises a liquid storage tank 72 for storing cooling liquid, a liquid outlet pipe 73 and a liquid return pipe 74 are arranged on the liquid storage tank 72, the input ends of the liquid coolers 71 are respectively communicated with the liquid outlet pipe 73, the output ends of the liquid coolers 71 are respectively communicated with the liquid return pipe 74, a power pump 75 is arranged on the liquid outlet pipe 73, and the liquid storage tank 72 is used for providing cooling liquid for the liquid coolers 71; moreover, the liquid coolers 71 are connected in parallel, and the liquid storage tank 72 can provide cooling liquid for the liquid coolers 71 at the same time, so that the energy is saved, and the environment is protected.
Preferably, the section of the main loop 41 between the heating device 6 and the oil inlet is sleeved with the heat insulation sleeve 8, so that the heat conduction oil heated by the heating device 6 cannot be rapidly cooled, and the temperature of a temperature zone is prevented from being influenced; the insulating sleeve 8 can be made of glass wool insulating materials.
In order to facilitate control, a controller is further arranged, the controller can be a PLC (programmable logic controller), the switching module, the heating device 6, the cooling device 7, the high-temperature pump 33 and the pressure sensor 34 are respectively connected with the controller, each valve can be an electromagnetic valve, the controller can control the opening and closing of each electromagnetic valve, meanwhile, data of each sensor can be transmitted to the controller, a worker can also set corresponding temperature requirement of a temperature zone in advance, and then the controller automatically controls the operation of each electromagnetic valve and each pump.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (8)
1. A temperature control system of a reaction kettle comprises a plurality of heat conduction cavities which are sleeved on the outer wall of the reaction kettle from top to bottom at intervals, wherein an oil inlet and an oil outlet are formed in each heat conduction cavity;
the temperature control loop comprises a main loop, one end of the main loop is communicated with the oil inlet, the other end of the main loop is divided into a first branch and a second branch, the first branch and the second branch are communicated with the oil conveying pipe through switching-over modules, a heating device used for heating heat conduction oil in the main loop is arranged on the main loop, a cooling device used for cooling the heat conduction oil in the first branch is arranged on the first branch, and a high-temperature pump and a pressure sensor are arranged on the oil conveying pipe.
2. The reaction kettle temperature control system according to claim 1, wherein the first branch and the second branch are both communicated with an oil pipeline, the switching module comprises a first valve arranged on the first branch and a second valve arranged on the second branch, and the first valve is positioned between the cooling device and the oil pipeline.
3. The reactor temperature control system of claim 2, wherein a third valve is disposed on the primary loop, the third valve is located between the heating device and the oil inlet, the oil pipeline is provided with the first temperature sensor, and a second temperature sensor is disposed on the segment of the primary loop between the heating device and the third valve.
4. The reactor temperature control system of claim 3, wherein a fourth valve is disposed on the return pipe.
5. The reactor temperature control system of claim 1, wherein the heating device comprises a high frequency heater sleeved on the main loop.
6. The reaction kettle temperature control system according to claim 1, wherein the cooling device is a liquid cooler, and further comprises a liquid storage tank for storing cooling liquid, the liquid storage tank is provided with a liquid outlet pipe and a liquid return pipe, the input ends of the liquid coolers are respectively communicated with the liquid outlet pipe, the output ends of the liquid coolers are respectively communicated with the liquid return pipe, and the liquid outlet pipe is provided with a power pump.
7. The reactor temperature control system of claim 1, wherein a thermal insulation sleeve is sleeved on the section of the main loop between the heating device and the oil inlet.
8. The reaction kettle temperature control system according to claim 1, further comprising a controller, wherein the switching module, the heating device, the cooling device, the high temperature pump and the pressure sensor are respectively connected with the controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221008095.8U CN217614664U (en) | 2022-04-27 | 2022-04-27 | Reation kettle temperature control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221008095.8U CN217614664U (en) | 2022-04-27 | 2022-04-27 | Reation kettle temperature control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217614664U true CN217614664U (en) | 2022-10-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221008095.8U Active CN217614664U (en) | 2022-04-27 | 2022-04-27 | Reation kettle temperature control system |
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| Country | Link |
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| CN (1) | CN217614664U (en) |
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- 2022-04-27 CN CN202221008095.8U patent/CN217614664U/en active Active
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