CN214486881U - Temperature control system of catalyst production reation kettle - Google Patents
Temperature control system of catalyst production reation kettle Download PDFInfo
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- CN214486881U CN214486881U CN202023298944.1U CN202023298944U CN214486881U CN 214486881 U CN214486881 U CN 214486881U CN 202023298944 U CN202023298944 U CN 202023298944U CN 214486881 U CN214486881 U CN 214486881U
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Abstract
The utility model discloses a catalyst production reation kettle's temperature control system, include: the reaction kettle is internally provided with a stirring part, the stirring part is connected to a stirring motor, the reaction is externally provided with a heating sleeve, and the heating sleeve is provided with a heat conduction oil inlet and a heat conduction oil outlet; the heat-conducting oil inlet is connected with a heat-conducting oil inlet pipeline, an oil inlet valve is arranged on the heat-conducting oil inlet pipeline, the heat-conducting oil outlet is connected with a heat-conducting oil outlet pipeline, and an oil outlet valve is arranged on the heat-conducting oil outlet pipeline; the reaction kettle comprises a control system, the control system comprises a controller, and a temperature acquisition circuit, a temperature adjustment circuit, a heat conduction oil control valve and a stirring motor which are respectively connected with the controller, wherein the heat conduction oil control valve is an oil inlet valve and an oil outlet valve. Adopt the utility model discloses, the accuse temperature that can be good.
Description
Technical Field
The utility model relates to a control field especially relates to a catalyst production reation kettle's temperature control system.
Background
Catalysts, also known as catalysts, are substances that change the rate of a chemical reaction without themselves being consumed in the reaction. Can change the chemical reaction rate of other substances in the chemical reaction, and can also act on plants to accelerate the growth of the plants.
In the process of catalyst production, the reaction kettle is generally required to be heated, each reaction raw material is reacted at a proper temperature, the temperature control structure of the reaction kettle in the current market is simple, the control is not accurate enough, and the quality of some products is affected even.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the utility model aims to provide a temperature control system of a catalyst production reaction kettle, which can well control the temperature.
Based on this, the utility model provides a catalyst production reation kettle's temperature control system, the system includes:
the reaction kettle is internally provided with a stirring part, the stirring part is connected to a stirring motor, a heating sleeve is arranged outside the reaction kettle, and the heating sleeve is provided with a heat conduction oil inlet and a heat conduction oil outlet; the heat-conducting oil inlet is connected with a heat-conducting oil inlet pipeline, an oil inlet valve is arranged on the heat-conducting oil inlet pipeline, the heat-conducting oil outlet is connected with a heat-conducting oil outlet pipeline, and an oil outlet valve is arranged on the heat-conducting oil outlet pipeline;
the reaction kettle comprises a control system, the control system comprises a controller, and a temperature acquisition circuit, a temperature adjustment circuit, a heat conduction oil control valve and a stirring motor which are respectively connected with the controller, wherein the heat conduction oil control valve is an oil inlet valve and an oil outlet valve.
Wherein, the temperature acquisition circuit includes: the circuit comprises a first resistor, a second resistor, a third resistor, a fourth resistor, a fifth resistor, a sixth resistor, a seventh resistor, an eighth resistor, a ninth resistor, a tenth resistor, a first operational amplifier and a second operational amplifier; one end of the first resistor is connected with a voltage VCC, the other end of the first resistor is connected with one end of a second resistor, the other end of the second resistor is grounded, one end of the third resistor is connected with the voltage VCC, the other end of the third resistor is connected with one end of a fourth resistor, the other end of the fourth resistor is grounded, one end of the fifth resistor is connected between the first resistor and the second resistor, the other end of the fifth resistor is respectively connected with an inverting input end of the first operational amplifier and one end of a seventh resistor, one end of the sixth resistor is connected between the third resistor and the fourth resistor, the other end of the sixth resistor is connected with an non-inverting input end of the first operational amplifier, the other end of the seventh resistor is connected with an output end of the first operational amplifier, one end of the eighth resistor is connected with an output end of the first operational amplifier, the other end of the eighth resistor is connected with a non-inverting input end of the second operational amplifier, and the inverting input end of the second operational amplifier is respectively connected with one end of the ninth resistor, One end of a tenth resistor is connected, the other end of the ninth resistor is grounded, the other end of the tenth resistor is connected with the output end of the second operational amplifier, and the output end of the second operational amplifier is further connected with the controller.
The temperature adjusting circuit is composed of a temperature adjusting circuit, a working state indicating circuit and an overheating protection circuit.
Wherein the temperature adjustment circuit comprises: the control switch, the thirteenth resistor and the bidirectional thyristor; one end of the control switch is connected with the first main pole of the bidirectional thyristor, the other end of the control switch is connected with one end of the thirteenth resistor, the other end of the thirteenth resistor is connected with the gate pole of the bidirectional thyristor, and the second main pole of the bidirectional thyristor is connected with the lower end of the heater.
Wherein the operating state indicating circuit includes: the circuit comprises a first diode, a second diode, an eleventh resistor and a twelfth resistor; the negative electrode of the first diode is connected with the first main electrode of the bidirectional thyristor, the positive electrode of the first diode is connected with the middle line end of the commercial power after being connected with the eleventh resistor in series, the negative electrode of the second diode is connected with the second main electrode of the bidirectional thyristor, and the positive electrode of the second diode is connected with the middle line end of the commercial power after being connected with the twelfth resistor in series.
The overheat protection circuit is composed of a thermal fuse, one end of the thermal fuse is connected with a live wire end of a commercial power, and the other end of the thermal fuse is connected with a first main pole of the bidirectional thyristor.
Wherein the controller comprises a PLC controller.
In the utility model, the cooling in the kettle is completed by adopting a cold oil cooling mode, so that the residue of the inner wall of the kettle body is reduced; the temperature in the kettle is monitored, and the adding and leading-out of cold oil and hot oil of the heat conduction oil and the stirring speed of the stirring blades can be automatically controlled according to a preset program, so that an optimized condition is provided for the reaction process; the temperature acquisition circuit is used for acquiring the temperature in the reaction kettle in real time, uploading the acquired temperature signal to the controller, the controller controls the control switch to be closed, the bidirectional thyristor is triggered to be conducted, and the electric heater is electrified and heated. After the temperature rises to the set temperature, the controller can open the oil inlet valve and the oil outlet valve to introduce cold oil, so as to realize the cooling in the reaction kettle. Thus, the temperature is maintained near the set temperature value, and the purpose of automatic temperature control is achieved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic diagram of a temperature control system of a catalyst production reaction kettle according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a control system provided by an embodiment of the present invention;
fig. 3 is a schematic diagram of a temperature acquisition circuit provided by an embodiment of the present invention;
fig. 4 is a schematic diagram of a temperature adjustment circuit according to an embodiment of the present invention;
wherein, 1 is the reation kettle, 2 is the conduction oil import, 3 is the conduction oil export, 4 is the inlet valve, 5 is the delivery valve, 6 is agitator motor, 7 is the (mixing) shaft, 8 is the stirring leaf, 9 is the heating jacket, 10 is the temperature acquisition circuit, 11 is the electric heater.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Fig. 1 is a schematic diagram of a temperature control system of a catalyst production reaction kettle provided by the embodiment of the present invention, the system includes:
the reaction kettle 1 is internally provided with a stirring component, the stirring component is connected to a stirring motor 6, a stirring shaft 7 which rotates under the driving of the stirring motor 6 and stirring blades 8 which are arranged on the stirring shaft 7 are arranged outside the reaction kettle 1, and a heating sleeve 9 is arranged outside the reaction kettle 1, wherein the heating sleeve 9 is provided with a heat conduction oil inlet 2 and a heat conduction oil outlet 3;
the heat conduction oil inlet 2 is connected with a heat conduction oil inlet pipeline, an oil inlet valve 4 is arranged on the heat conduction oil inlet pipeline, the heat conduction oil outlet 3 is connected with a heat conduction oil outlet pipeline, and an oil outlet valve 5 is arranged on the heat conduction oil outlet pipeline.
The heating jacket 9, be connected to the conduction oil inlet pipe way of conduction oil import 2, the conduction oil outlet pipe way that is connected to conduction oil export 3 constitute conduction oil temperature control branch road, through whether the controllable conduction oil that opens and close of controller control inlet valve 4, outlet valve 5 gets into this heating branch road and the conduction oil after the heat transfer derives this branch road, the controller passes through temperature acquisition circuit in time detection cauldron temperature and adjusts, forms the on-line measuring of temperature. And if the temperature data acquired by the temperature acquisition circuit and received by the controller is higher than the highest value of the preset temperature range, the oil inlet valve 4 and the oil outlet valve 5 are controlled to be opened, cold oil is introduced, and the temperature in the reaction kettle is reduced. The temperature acquisition circuit 10, the electric heater 11 all set up in the reation kettle is inboard, all with the controller links to each other, inlet valve 4, delivery valve 5 also with the controller links to each other.
The reaction kettle comprises a control system.
Fig. 2 is a schematic diagram of a control system provided by an embodiment of the present invention, the control system includes a controller 203, and a temperature acquisition circuit 201, a temperature adjustment circuit 202, a thermal oil control valve 204, and a stirring motor 205 respectively connected to the controller 203.
The heat transfer oil control valve 204 is the oil inlet valve 4 and the oil outlet valve 5 in fig. 1.
The controller comprises a PLC controller.
Fig. 3 is a schematic diagram of a temperature acquisition circuit provided by the embodiment of the present invention, the temperature acquisition circuit includes: a first resistor R1, a second resistor R2, a third resistor R3, a fourth resistor R4, a fifth resistor R5, a sixth resistor R6, a seventh resistor R7, an eighth resistor R8, a ninth resistor R9, a tenth resistor R10, a first operational amplifier AR1 and a second operational amplifier AR 2; one end of the first resistor R1 is connected to a voltage VCC, the other end is connected to one end of the second resistor R2, the other end of the second resistor R2 is grounded, one end of the third resistor R3 is connected to the voltage VCC, the other end is connected to one end of the fourth resistor R4, the other end of the fourth resistor R4 is grounded, one end of the fifth resistor R5 is connected between the first resistor R1 and the second resistor R2, the other end is respectively connected to the inverting input end of the first operational amplifier AR1 and one end of the seventh resistor R7, one end of the sixth resistor R6 is connected between the third resistor R3 and the fourth resistor R4, the other end is connected to the non-inverting input end of the first operational amplifier AR1, the other end of the seventh resistor R7 is connected to the output end of the first operational amplifier AR1, one end of the eighth resistor R8 is connected to the output end of the first operational amplifier R1, and the other end is connected to the non-inverting input end of the second operational amplifier AR2, the inverting input end of the second operational amplifier AR2 is connected to one end of the ninth resistor R9 and one end of the tenth resistor R10, respectively, the other end of the ninth resistor R9 is grounded, the other end of the tenth resistor R10 is connected to the output end of the second operational amplifier AR2, and the output end of the second operational amplifier AR2 is further connected to the controller.
The third resistor R3 is a thermistor, and the changed voltage is positively correlated with the temperature value.
And after receiving the temperature signal sent by the temperature acquisition circuit, the controller processes and calculates the temperature signal to obtain the temperature of the reaction kettle, and judges whether the temperature value is in a set range. And if the temperature is higher than the upper limit value of the set temperature, controlling a control switch in the temperature adjusting circuit to be turned on.
Fig. 4 is a schematic diagram of a temperature adjustment circuit provided in the embodiment of the present invention, the temperature adjustment circuit is composed of a temperature adjustment circuit, a working state indicating circuit, and an overheat protection circuit.
The temperature adjustment circuit includes: the control switch, a thirteenth resistor R13 and a bidirectional thyristor; one end of the control switch is connected with the first main electrode T1 of the bidirectional thyristor, the other end of the control switch is connected with one end of the thirteenth resistor R13, the other end of the thirteenth resistor R13 is connected with the gate G of the bidirectional thyristor, and the second main electrode T2 of the bidirectional thyristor is connected with the lower end of the electric heater EH.
The operating state indicating circuit includes: a first diode D1, a second diode D2, an eleventh resistor R11, a twelfth resistor R12; the negative electrode of the first diode D1 is connected with the first main electrode T1 of the bidirectional thyristor, the positive electrode of the first diode D1 is connected in series with the neutral line terminal N of the commercial power after the eleventh resistor R11, the negative electrode of the second diode D2 is connected with the second main electrode T2 of the bidirectional thyristor, and the positive electrode of the second diode D2 is connected in series with the neutral line terminal N of the commercial power after the twelfth resistor R12.
The overheating protection circuit is composed of a thermal fuse FU, one end of the thermal fuse FU is connected with a live wire end L of a mains supply, and the other end of the thermal fuse FU is connected with a first main pole T1 of a bidirectional thyristor.
The first diode D1 and the second diode D2 are light emitting diodes, wherein the first diode D1 is a green light emitting diode, and the second diode D2 is a red light emitting diode.
The control switch is in the prior art and can receive the regulation and control of the controller to be turned off or turned on.
In the utility model, the cooling in the kettle is completed by adopting a cold oil cooling mode, so that the residue of the inner wall of the kettle body is reduced; the temperature in the kettle is monitored, and the adding and leading-out of cold oil and hot oil of the heat conduction oil and the stirring speed of the stirring blades can be automatically controlled according to a preset program, so that an optimized condition is provided for the reaction process; the temperature acquisition circuit is used for acquiring the temperature in the reaction kettle in real time, uploading the acquired temperature signal to the controller, the controller controls the control switch to be closed, the bidirectional thyristor is triggered to be conducted, and the electric heater is electrified and heated. After the temperature rises to the set temperature, the controller can open the oil inlet valve and the oil outlet valve to introduce cold oil, so as to realize the cooling in the reaction kettle. Thus, the temperature is maintained near the set temperature value, and the purpose of automatic temperature control is achieved.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.
Claims (7)
1. A temperature control system for a catalyst production reactor, comprising:
the reaction kettle is internally provided with a stirring part, the stirring part is connected to a stirring motor, a heating sleeve is arranged outside the reaction kettle, and the heating sleeve is provided with a heat conduction oil inlet and a heat conduction oil outlet; the heat-conducting oil inlet is connected with a heat-conducting oil inlet pipeline, an oil inlet valve is arranged on the heat-conducting oil inlet pipeline, the heat-conducting oil outlet is connected with a heat-conducting oil outlet pipeline, and an oil outlet valve is arranged on the heat-conducting oil outlet pipeline;
the reaction kettle comprises a control system, the control system comprises a controller, and a temperature acquisition circuit, a temperature adjustment circuit, a heat conduction oil control valve and a stirring motor which are respectively connected with the controller, wherein the heat conduction oil control valve is an oil inlet valve and an oil outlet valve.
2. The temperature control system of a catalyst production reactor of claim 1, wherein the temperature acquisition circuit comprises: the circuit comprises a first resistor, a second resistor, a third resistor, a fourth resistor, a fifth resistor, a sixth resistor, a seventh resistor, an eighth resistor, a ninth resistor, a tenth resistor, a first operational amplifier and a second operational amplifier; one end of the first resistor is connected with a voltage VCC, the other end of the first resistor is connected with one end of a second resistor, the other end of the second resistor is grounded, one end of the third resistor is connected with the voltage VCC, the other end of the third resistor is connected with one end of a fourth resistor, the other end of the fourth resistor is grounded, one end of the fifth resistor is connected between the first resistor and the second resistor, the other end of the fifth resistor is respectively connected with an inverting input end of the first operational amplifier and one end of a seventh resistor, one end of the sixth resistor is connected between the third resistor and the fourth resistor, the other end of the sixth resistor is connected with an non-inverting input end of the first operational amplifier, the other end of the seventh resistor is connected with an output end of the first operational amplifier, one end of the eighth resistor is connected with an output end of the first operational amplifier, the other end of the eighth resistor is connected with a non-inverting input end of the second operational amplifier, and the inverting input end of the second operational amplifier is respectively connected with one end of the ninth resistor, One end of a tenth resistor is connected, the other end of the ninth resistor is grounded, the other end of the tenth resistor is connected with the output end of the second operational amplifier, and the output end of the second operational amplifier is further connected with the controller.
3. The temperature control system of the catalyst production reactor according to claim 1, wherein the temperature adjusting circuit is composed of a temperature adjusting circuit, an operating state indicating circuit, and an overheat protection circuit.
4. The temperature control system of a catalyst production reactor of claim 3, wherein the temperature regulation circuit comprises: the control switch, the thirteenth resistor and the bidirectional thyristor; one end of the control switch is connected with the first main pole of the bidirectional thyristor, the other end of the control switch is connected with one end of the thirteenth resistor, the other end of the thirteenth resistor is connected with the gate pole of the bidirectional thyristor, and the second main pole of the bidirectional thyristor is connected with the lower end of the heater.
5. The temperature control system of a catalyst production reactor of claim 4, wherein said operating condition indicating circuit comprises: the circuit comprises a first diode, a second diode, an eleventh resistor and a twelfth resistor; the negative electrode of the first diode is connected with the first main electrode of the bidirectional thyristor, the positive electrode of the first diode is connected with the middle line end of the commercial power after being connected with the eleventh resistor in series, the negative electrode of the second diode is connected with the second main electrode of the bidirectional thyristor, and the positive electrode of the second diode is connected with the middle line end of the commercial power after being connected with the twelfth resistor in series.
6. The temperature control system of a catalyst production reactor according to claim 4, wherein the overheat protection circuit is comprised of a thermal fuse, one end of the thermal fuse is connected to a line terminal of a commercial power, and the other end of the thermal fuse is connected to the first main pole of the triac.
7. The temperature control system of the catalyst production reactor of any one of claims 1 to 6, wherein the controller comprises a PLC controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023298944.1U CN214486881U (en) | 2020-12-31 | 2020-12-31 | Temperature control system of catalyst production reation kettle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023298944.1U CN214486881U (en) | 2020-12-31 | 2020-12-31 | Temperature control system of catalyst production reation kettle |
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| Publication Number | Publication Date |
|---|---|
| CN214486881U true CN214486881U (en) | 2021-10-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202023298944.1U Active CN214486881U (en) | 2020-12-31 | 2020-12-31 | Temperature control system of catalyst production reation kettle |
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|---|---|
| CN (1) | CN214486881U (en) |
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