A heat conducting oil heating system for a reaction kettle

Abstract

The application discloses a heat-conducting oil heating system for a reaction kettle, which comprises a reaction kettle main body, a reaction kettle jacket is arranged on the reaction kettle main body, the reaction kettle jacket, an oil accumulator, a first circulating pump and a combustion furnace are circularly connected through pipelines, a piston is slidably arranged in the oil accumulator, a first electromagnet is arranged at one end of the oil accumulator, an oil inlet and an oil outlet are arranged at the other end of the oil accumulator, a first iron block is arranged on the piston and is attracted to the first electromagnet; the reaction kettle jacket is movably arranged outside the reaction kettle main body, the reaction kettle main body and the reaction kettle jacket form a heat-conducting oil cavity, a second electromagnet is arranged on the reaction kettle main body, a second iron block is arranged at the top of the reaction kettle jacket and is attracted to the second electromagnet, a one-way valve is arranged between the reaction kettle jacket and the oil accumulator, and the first circulating pump, the first electromagnet and the second electromagnet are powered by the same power supply. In the case that the circulating pump is unexpectedly powered off, the heat-conducting oil in the combustion furnace keeps flowing, and the reaction is normally maintained.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of reaction kettle heating device, and particularly relates to a heat-conducting oil heating system for a reaction kettle. BACKGROUND

[0002] A reaction kettle is a commonly used equipment in chemical production, and a jacket is arranged on a general reaction kettle body to control the reaction temperature when chemical raw materials are reacted. In order to ensure the uniformity of heating, heat-conducting oil is generally used as a heat-conducting medium to more uniformly transfer heat to the reactants in the reaction kettle. The heat-conducting oil heating system comprises a reaction kettle jacket, a circulating pump, a combustion furnace and a pipeline connected in circulation. The heat-conducting oil in the reaction kettle jacket is continuously passed through the combustion furnace by the circulating pump, and after being heated by the combustion furnace, the heat-conducting oil flows back into the reaction kettle jacket to continuously supply heat to the reaction kettle to maintain the reaction temperature. During the reaction process, the circulating pump may fail or power off. If the circulating pump unexpectedly powers off, the heat-conducting oil will stop circulating, and the combustion furnace cannot quickly stop burning, so that the heat-conducting oil in the combustion furnace will be continuously heated, which will cause the heat-conducting oil to coke and block, so that the whole heat-conducting oil system collapses, and the pipeline and the combustion furnace need to be cleaned before production can be resumed. The heat-conducting oil that cannot continue to circulate will cause the temperature of the heat-conducting oil in the reaction kettle jacket to be too low, so that the reaction temperature cannot be maintained, thereby causing problems in the production reaction and waste of raw materials. SUMMARY

[0003] The heat-conducting oil heating system for a reaction kettle provided by the application can still make the heat-conducting oil in the combustion furnace flow under the condition that the circulating pump unexpectedly powers off, prevent coking and blocking, and still continuously supply heat to the reaction kettle jacket for a period of time to maintain the temperature in the reaction kettle, thereby preventing problems in the production reaction and waste of raw materials.

[0004] In order to solve the above technical problems, the application is solved by the following technical scheme: a heat conducting oil heating system for a reaction kettle, comprising a reaction kettle body, a reaction kettle jacket is arranged on the reaction kettle body, the reaction kettle jacket, a first circulating pump and a combustion furnace are circularly connected through pipelines, a storage device is arranged between the reaction kettle jacket and the combustion furnace, a piston is slidably arranged in the storage device, a first electromagnet is arranged at one end of the storage device, an oil inlet and an oil outlet are arranged at the other end of the storage device, the oil inlet is connected to the reaction kettle jacket, the oil outlet is connected to the combustion furnace, a first iron block is arranged on the piston and is attracted to the first electromagnet; the reaction kettle jacket is movably arranged outside the reaction kettle body, the reaction kettle body and the reaction kettle jacket form a heat conducting oil cavity, a second electromagnet is arranged on the reaction kettle body, a second iron block is arranged at the top of the reaction kettle jacket and is attracted to the second electromagnet, a one-way valve is arranged between the reaction kettle jacket and the storage device, after the first electromagnet and the second electromagnet are powered off, the reaction kettle jacket is lowered to increase the heat conducting oil cavity, and the heat conducting oil in the storage device is sucked into the combustion furnace, the first circulating pump, the first electromagnet and the second electromagnet are powered by the same power source. When the heat conducting oil heating system for the reaction kettle is normally operated, the first circulating pump, the first electromagnet and the second electromagnet are powered on, the first iron block is attracted to the first electromagnet, the capacity of the storage device is in the maximum state, the second electromagnet is attracted to the second iron block, the capacity of the heat conducting oil cavity is in the minimum state, a sufficient amount of standby heat conducting oil is stored in the storage device, the first circulating pump circulates the heat conducting oil in the heat conducting oil cavity, the storage device and the combustion furnace, and the temperature of the reactants in the reaction kettle is maintained, when unexpected power failure occurs, the first circulating pump, the first electromagnet and the second electromagnet are all powered off, at this time, the first circulating pump stops, the reaction kettle jacket is lowered due to its own gravity and the gravity of the internal heat conducting oil, when the reaction kettle jacket is lowered, the heat conducting oil cavity formed between the reaction kettle jacket and the reaction kettle body gradually increases and generates negative pressure, and the heat conducting oil in the storage device is sucked into the heat conducting oil cavity through the combustion furnace, since the heat conducting oil in the storage device itself participates in the circulation and heating, it has a relatively high temperature, therefore, in the case of power failure, the temperature of the reactants in the reaction kettle can still be maintained or basically maintained at the set reaction temperature, preventing the production reaction from being affected due to the rapid decrease of the reaction temperature and causing waste of raw materials; if a sufficient amount of standby heat conducting oil is stored in the storage device, the temperature can be maintained until the reaction is completed after power failure. And since the heat conducting oil in the combustion furnace still flows after the first circulating pump is powered off, coking and blockage of the heat conducting oil are effectively prevented.

[0005] In the technical scheme, preferably, a guide leg is arranged at the bottom of the reaction kettle body, the guide leg passes through the bottom of the reaction kettle jacket, a jacket support part is arranged at the bottom of the guide leg, and when the reaction kettle jacket is lowered to abut against the jacket support part, the heat conduction oil cavity is enlarged to the maximum.

[0006] In the technical scheme, preferably, a guide cylinder is arranged on the reaction kettle body, the reaction kettle jacket is sleeved outside the guide cylinder, a gap is arranged between the guide cylinder and the reaction kettle body, the gap is communicated with the heat conduction oil cavity, an oil inlet channel is connected to the top of the gap, the oil inlet channel is connected to the combustion furnace, an oil outlet channel is arranged at the bottom of the reaction kettle jacket, and the oil outlet channel is connected to the first circulating pump. With the structure, when the reaction kettle jacket is lowered, the heat exchange area of the reaction kettle body and the heat conduction oil cavity remains unchanged.

[0007] In the technical scheme, preferably, a first flow regulating valve is arranged between the reaction kettle jacket and the combustion furnace. The first flow regulating valve can regulate the efficiency of the heat conduction oil circulation, cooperate with the heating efficiency of the combustion furnace to maintain the temperature of the heat conduction oil in the jacket within a set temperature, and when power is cut off, the first flow regulating valve can also be adjusted to maintain the same flow of the heat conduction oil when being sucked, and the same as the heating efficiency of the combustion furnace to maintain the temperature of the heat conduction oil in the reaction kettle jacket within a set temperature, thereby ensuring normal operation in the reaction kettle.

[0008] In the technical scheme, preferably, a second flow regulating valve is arranged in parallel with the first flow regulating valve between the reaction kettle jacket and the combustion furnace, the heat conduction oil pipeline where the first flow regulating valve and the second flow regulating valve are arranged is switched by energization or de-energization of an electromagnetic valve, and the electromagnetic valve and the first circulating pump are powered by the same power supply. With the structure, the oil path can be automatically switched when the first circulating pump is normally powered and when power is cut off, so that the first flow regulating valve and the second flow regulating valve can be preset with the same flow, so that the heat conduction oil can flow at the same flow rate when the first circulating pump provides power and when the reaction kettle jacket is lowered to provide power, and artificial adjustment is not needed when power is cut off.

[0009] In the technical scheme, preferably, the second circulating pump is connected between the reaction kettle jacket and the combustion furnace through a pipeline, the second circulating pump is connected with a normally closed switch, the normally closed switch is arranged on the reaction kettle body, when the second iron block is attracted to the second electromagnet, the normally closed switch is pressed off by the reaction kettle jacket to disconnect the circuit, and the second circulating pump, the first circulating pump, the first electromagnet and the second electromagnet are powered by the same power supply. When the reaction kettle jacket is restored to be powered after descending, the first circulating pump and the second circulating pump work simultaneously, the amount of heat conducting oil in the heat conducting oil cavity is increased, the amount of heat conducting oil sucked out is greater than the input amount, and the difference is input into the oil storage device for storage until the second iron block is attracted to the second electromagnet, the normally closed switch is pressed off by the reaction kettle jacket to disconnect the circuit, and the second circulating pump stops working, at which time the first iron block is also attracted to the first electromagnet.

[0010] In the technical scheme, preferably, the spring is arranged in the oil storage device, one end of the spring abuts against an end face with the oil outlet, and the other end of the spring abuts against the piston. In the process of discharging oil in the oil storage device in the first circulating pump power-off state, the overall weight of the reaction kettle jacket and the heat conducting oil in the reaction kettle jacket is gradually increased, so that the flow rate of the heat conducting oil is gradually increased. By arranging the spring, the elastic force of the spring is gradually increased in the process of discharging oil in the oil storage device, so as to offset the increased weight of the heat conducting oil in the reaction kettle jacket, thereby maintaining the stability of the flow rate of the heat conducting oil.

[0011] In the technical scheme, preferably, the temperature reducing heat exchanger is arranged in parallel with the combustion furnace between the reaction kettle jacket and the oil storage device, and the oil storage device controls the flow of the heat conducting oil through the combustion furnace or the temperature reducing heat exchanger through a valve. By adjusting the valve, the flow channel of the heat conducting oil can be switched to heat or rapidly cool the heat conducting oil.

[0012] In the technical scheme, preferably, the oil storage device is provided with an oil supplement channel at one end between the oil inlet and the oil outlet, and the oil supplement channel is provided with a check valve and an oil filter.

[0013] In the technical scheme, preferably, the reaction kettle jacket is provided with a counterweight box for placing a counterweight block at the bottom. By placing counterweight blocks of different weights in the counterweight box, the descending speed of the reaction kettle jacket can be adjusted, so that the flow rates of the heat conducting oil in the first circulating pump in the power-on state and in the power-off state are basically consistent.

[0014] Compared with the prior art, the application has the following beneficial effects: when the heat conducting oil heating system of the reaction kettle is in normal operation, the first circulating pump, the first electromagnet and the second electromagnet are powered on, the first iron block is attracted to the first electromagnet, the capacity of the oil reservoir is in the maximum state, the second electromagnet is attracted to the second iron block, the capacity of the heat conducting oil cavity is in the minimum state, the oil reservoir stores a sufficient amount of standby heat conducting oil, the first circulating pump circulates the heat conducting oil in the heat conducting oil cavity, the oil reservoir and the combustion furnace, and the temperature of the reactants in the reaction kettle is maintained; when an unexpected power failure occurs, the first circulating pump, the first electromagnet and the second electromagnet are all powered off, at this time, the first circulating pump stops, the reaction kettle jacket is lowered due to its own gravity and the gravity of the internal heat conducting oil, when the reaction kettle jacket is lowered, the heat conducting oil cavity formed between the reaction kettle jacket and the reaction kettle body gradually increases and generates negative pressure, and the heat conducting oil in the oil reservoir is sucked into the heat conducting oil cavity through the combustion furnace; since the heat conducting oil in the oil reservoir itself participates in the circulating flow and heating, the heat conducting oil itself has a relatively high temperature, so that the reactants in the reaction kettle can still be maintained or basically maintained at the set reaction temperature under the condition of power failure, preventing the production reaction from being affected due to the rapid drop of the reaction temperature and causing waste of raw materials; if the oil reservoir stores a sufficient amount of standby heat conducting oil, the temperature can be maintained until the reaction is completed after the power failure. Moreover, since the heat conducting oil in the combustion furnace still flows after the first circulating pump is powered off, the heat conducting oil is effectively prevented from coking and blocking. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 FIG. 1 is a schematic diagram of the connection structure of the embodiment of the application when the reaction kettle is in normal operation.

[0016] Fig. 2 FIG. 2 is a schematic diagram of the connection structure of the embodiment of the application when the reaction kettle is in an unexpected power failure.

[0017] Fig. 3 FIG. 3 is a schematic diagram of the circuit of the first circulating pump, the second circulating pump, the first electromagnet and the second electromagnet in the embodiment of the application.

[0018] Fig. 4 FIG. 4 is a schematic diagram of the structure of the reaction kettle in the embodiment of the application. EMBODIMENT

[0019] The application will be further described in detail below in combination with the drawings and specific embodiments: refer to Figs. 1 to 4The utility model provides a kind of heat conducting oil heating system for reaction kettle, including reaction kettle main body 1, reaction kettle main body 1 is provided with reaction kettle jacket 11, reaction kettle jacket 11, first circulating pump 2 and combustion furnace 3 are connected by pipeline circulation, reaction kettle jacket 11 is provided with oil reservoir 4 between combustion furnace 3, piston 41 is slidably arranged in oil reservoir 4, oil reservoir 4 one end is provided with first electromagnet 42, oil reservoir 4 other end is provided with oil inlet 43 and oil outlet 44, oil inlet 43 connects reaction kettle jacket 11, oil outlet 44 connects combustion furnace 3, first iron block 45 is arranged on piston 41, and first iron block 45 is attracted to first electromagnet 42;Reaction kettle jacket 11 is movably sheathed outside reaction kettle main body 1, and reaction kettle main body 1 and reaction kettle jacket 11 form heat conducting oil cavity 12, and second electromagnet 13 is arranged on reaction kettle main body 1, and second iron block 14 is arranged on the top of reaction kettle jacket 11, and second iron block 14 is attracted to second electromagnet 13, and one-way valve 5 is arranged between reaction kettle jacket 11 and oil reservoir 4, after first electromagnet 42 and second electromagnet 13 are powered off, reaction kettle jacket 11 drops and increases heat conducting oil cavity 12, and heat conducting oil in oil reservoir 4 is inhaled into combustion furnace 3, and first circulating pump 2 and first electromagnet 42 and second electromagnet 13 are powered by the same power supply.The heat conducting oil heating system for reaction kettle, when normal operation, first circulating pump 2, first electromagnet 42 and second electromagnet 13 are powered, first iron block 45 is attracted to first electromagnet 42, the capacity of oil reservoir 4 is in the maximum state, second electromagnet 13 is attracted to second iron block 14, the capacity of heat conducting oil cavity is in the minimum state, and there is enough amount of standby heat conducting oil in oil reservoir 4, first circulating pump 2 transports heat conducting oil to circulate in heat conducting oil cavity 12, oil reservoir 4 and combustion furnace 3, and the temperature of reactant in reaction kettle is maintained, when unexpected power failure occurs, first circulating pump 2, first electromagnet 42 and second electromagnet 13 are all powered off, at this time, first circulating pump 2 stops, and reaction kettle jacket 11 drops due to its own gravity and the gravity of internal heat conducting oil, when reaction kettle jacket 11 drops, the heat conducting oil cavity 12 formed between reaction kettle jacket 11 and reaction kettle main body 1 gradually increases and generates negative pressure, and the heat conducting oil in oil reservoir 4 is inhaled into heat conducting oil cavity 12 through combustion furnace 3, since the heat conducting oil in oil reservoir 4 itself participates in circulating flow and heating, it has relatively high temperature, so it can still maintain or basically maintain the reaction temperature of reactant in reaction kettle under power failure, prevent the production reaction from appearing problems due to rapid temperature drop, cause raw material waste;If enough amount of standby heat conducting oil is stored in oil reservoir 4, temperature can be maintained until reaction ends after power failure.And since heat conducting oil still flows in combustion furnace 3 after first circulating pump 2 is powered off, it effectively prevents heat conducting oil from coking and blocking.

[0020] In the embodiment, the bottom of the reaction kettle body 1 is vertically provided with a guide leg 15, the bottom of the guide leg 15 is provided with a base, the guide leg 15 penetrates through the bottom of the reaction kettle jacket 11, the bottom of the guide leg 15 is provided with a jacket support part 16, and when the reaction kettle jacket 11 is lowered to abut against the jacket support part 16, the heat conduction oil cavity 12 is increased to the maximum. The jacket support part 16 supports the reaction kettle jacket 11 when the reaction kettle jacket 11 is lowered to the lowest position. It is easy for those skilled in the art to understand that the reaction kettle jacket 11 is provided with a through hole for the guide leg 15 to penetrate, and a sealing ring is arranged on the inner wall of the through hole to improve the sealing performance.

[0021] In the embodiment, the reaction kettle body 1 is provided with a guide cylinder 17, the reaction kettle jacket 11 is slidingly sleeved outside the guide cylinder 17, the guide cylinder 17 has a gap 18 with the reaction kettle body 1, the gap 18 is communicated with the heat conduction oil cavity 12, the top of the gap 18 is connected with an oil inlet channel 19, the oil inlet channel 19 is connected with the combustion furnace 3, and the bottom of the reaction kettle jacket 11 is provided with an oil outlet channel 110 connected with the first circulating pump 2. The structure can keep the heat exchange area between the reaction kettle body 1 and the heat conduction oil cavity 12 unchanged when the reaction kettle jacket 11 is lowered.

[0022] In the embodiment, the first flow regulating valve 61 is arranged between the reaction kettle jacket 11 and the combustion furnace 3. The first flow regulating valve 61 can regulate the efficiency of the heat conduction oil circulation, cooperate with the heating efficiency of the combustion furnace 3 to maintain the temperature of the heat conduction oil in the jacket within the set temperature, and also can regulate the first flow regulating valve 61 when power is off to maintain the same flow of the heat conduction oil when being sucked, and the same as the heating efficiency of the combustion furnace 3 to maintain the temperature of the heat conduction oil in the reaction kettle jacket 11 within the set temperature, so as to ensure the normal operation in the reaction kettle. Further, the second flow regulating valve 62 is arranged in parallel with the first flow regulating valve 61 between the reaction kettle jacket 11 and the combustion furnace 3, the heat conduction oil pipeline where the first flow regulating valve 61 and the second flow regulating valve 62 are located is switched by the electromagnetic valve 63 being powered on or off, and the electromagnetic valve 63 and the first circulating pump 2 are powered by the same power supply. The structure can automatically switch the oil path when the first circulating pump is normally powered and when the power is off, so that the first flow regulating valve 61 and the second flow regulating valve 62 can be preset with the flow, so that the heat conduction oil can flow at a substantially same flow rate when the first circulating pump provides power and when the reaction kettle jacket provides power, and it is not necessary to artificially adjust again when the power is off.

[0023] In the embodiment, the second circulating pump 7 is connected between the reactor jacket 11 and the combustion furnace 3 through a pipeline, the second circulating pump 7 is connected with a normally closed switch 8, the normally closed switch 8 is arranged on the reactor main body 1, when the second iron block 14 is attracted to the second electromagnet 13, the normally closed switch 8 is pressed off by the reactor jacket 11 to disconnect the circuit, the second circulating pump 7, the first circulating pump 2, the first electromagnet 42 and the second electromagnet 13 are powered by the same power supply. By adopting the structure, when the reactor jacket 11 is lowered and then power is restored, the first circulating pump 2 and the second circulating pump 7 work at the same time, the amount of heat conducting oil in the heat conducting oil cavity 12 is greater than the input amount, and the difference is stored in the oil storage device 4, until the reactor jacket 11 rises to the second iron block 14 and the second electromagnet 13, the normally closed switch 8 is pressed off by the reactor jacket 11 to disconnect the circuit, and the second circulating pump 7 stops working, at this time, the first iron block 45 is also attracted to the first electromagnet 42. That is to say, when the power is off, the reactor jacket 11 automatically lowers to suck the heat conducting oil in the oil storage device 4 into the heat conducting oil cavity 12 through the combustion furnace 3, and when the power is on, the second circulating pump 7 automatically lifts the reactor jacket 11 to store the heat conducting oil in the heat conducting oil cavity 12 into the oil storage device 4.

[0024] In the embodiment, the spring 47 is arranged in the oil storage device 4, one end of the spring 47 abuts against the end face with the oil outlet 44, and the other end of the spring 47 abuts against the piston 41. In the power-off state of the first circulating pump 2, during the oil outlet process in the oil storage device 4, the overall weight of the reactor jacket 11 and the heat conducting oil in the reactor jacket 11 also gradually increases, so that the flow rate of the heat conducting oil gradually increases. By arranging the spring 47, the elastic force of the spring 47 gradually increases during the oil outlet process in the oil storage device 4, so as to offset the increased weight of the heat conducting oil in the reactor jacket 11, thereby maintaining the stability of the flow rate of the heat conducting oil.

[0025] In the embodiment, the cooling heat exchanger 9 is arranged between the reactor jacket 11 and the oil storage device 4 in parallel with the combustion furnace 3, and the oil storage device 4 controls the flow of the heat conducting oil through the combustion furnace 3 or the cooling heat exchanger 9 through a valve. By adopting the structure, the flow channel of the heat conducting oil can be switched by adjusting the valve to heat or rapidly cool the heat conducting oil.

[0026] In the embodiment, the oil supplement channel 46 is arranged on one end of the oil storage device 4 between the oil inlet 43 and the oil outlet 44, and the oil supplement channel 46 is provided with the one-way valve 5 and the oil filter 10. By adopting the structure, the heat conducting oil can be supplemented through the oil supplement channel 46, and impurities can be prevented from entering the heat conducting oil heating system. The pipeline between the reactor jacket 11 and the oil storage device 4 is also provided with the oil filter 10, which is used to remove impurities in the heat conducting oil.

[0027] The bottom of the reactor jacket 11 is provided with a counterweight box 111 for placing counterweights. By placing counterweights of different weights in the counterweight box 111, the descending speed of the reactor jacket 11 can be adjusted, so that the flow rate of the heat conducting oil of the first circulating pump 2 is basically consistent in the power-on and power-off states.

[0028] In the normal operation of the above-mentioned heat conducting oil heating system for a reactor, the first circulating pump 2 drives the heat conducting oil to circulate between the heat conducting oil cavity 12, the oil reservoir 4 and the combustion furnace 3, the electromagnetic valve 63 is in the power-on state, the heat conducting oil flows from the first flow regulating valve 61, in the case of power failure, the first electromagnet 42 and the second electromagnet 13 are both powered off, the reactor jacket 11 descends, the heat conducting oil cavity 12 formed between the reactor jacket 11 and the reactor body 1 gradually increases and generates negative pressure, the heat conducting oil in the oil reservoir 4 is sucked into the heat conducting oil cavity 12 through the combustion furnace 3, and the electromagnetic valve 63 is automatically switched to the power-off state, the heat conducting oil flows from the second flow regulating valve 62, by setting the opening size of the first flow regulating valve 61 and the second flow regulating valve 62, or adjusting the weight of the counterweights in the counterweight box 111, the flow rate of the heat conducting oil in the power-on and power-off states can be basically kept consistent, and in the process of descending of the reactor jacket 11, the weight of the heat conducting oil in the heat conducting oil cavity 12 gradually increases, the spring 47 in the oil reservoir 4 gradually increases in elasticity to offset the gravity generated by this part of the increased weight, so that the reaction temperature in the reactor can still be maintained or basically maintained at the set reaction temperature in the case of power failure, preventing problems in the production reaction caused by rapid drop of the reaction temperature, resulting in waste of raw materials; if there is enough standby heat conducting oil stored in the oil reservoir 4, the temperature can be maintained until the reaction is completed after power failure. And because the heat conducting oil in the combustion furnace 3 still flows after the first circulating pump 2 is powered off, coking and blockage of the heat conducting oil are prevented. When the power is turned on at the end of power failure, the first circulating pump 2 and the second circulating pump 7 will operate at the same time, the heat conducting oil in the heat conducting oil cavity 12 which has increased is sucked out in an amount greater than the input amount, and the difference is stored in the oil reservoir 4, until the reactor jacket 11 rises to the second iron block 14 and the second electromagnet 13, the second circulating pump 7 stops working after the second electromagnet 13 is pressed off the circuit by the reactor jacket 11, and at this time the first iron block 45 also attracts the first electromagnet 42.

[0029] The above is only a preferred embodiment of the present application, and it should be pointed out that those skilled in the art can make several improvements and refinements without departing from the principles of the present application, and these improvements and refinements should also be considered within the scope of protection of the present application.

Claims

1. A heat conducting oil heating system for a reaction kettle, comprising a reaction kettle body (1), a reaction kettle jacket (11) is arranged on the reaction kettle body (1), the reaction kettle jacket (11), a first circulating pump (2) and a combustion furnace (3) are circularly connected through pipelines, characterized in that: The reaction kettle jacket (11) and the combustion furnace (3) are provided with an oil reservoir (4), the oil reservoir (4) is slidably provided with a piston (41), one end of the oil reservoir (4) is provided with a first electromagnet (42), the other end of the oil reservoir (4) is provided with an oil inlet (43) and an oil outlet (44), the oil inlet (43) is connected with the reaction kettle jacket (11), the oil outlet (44) is connected with the combustion furnace (3), the piston (41) is provided with a first iron block (45), the first iron block (45) is attracted to the first electromagnet (42); the reaction kettle body (1) is movably sleeved with the reaction kettle jacket (11), the reaction kettle body (1) and the reaction kettle jacket (11) form a heat conducting oil cavity (12), the reaction kettle body (1) is provided with a second electromagnet (13), the top of the reaction kettle jacket (11) is provided with a second iron block (14), the second iron block (14) is attracted to the second electromagnet (13), the reaction kettle jacket (11) and the oil reservoir (4) are provided with a one-way valve (5), after the first electromagnet (42) and the second electromagnet (13) are powered off, the reaction kettle jacket (11) is lowered to increase the heat conducting oil cavity (12), and the heat conducting oil in the oil reservoir (4) is sucked into the combustion furnace (3), the first circulating pump (2), the first electromagnet (42) and the second electromagnet (13) are powered by the same power supply.

2. The heat conducting oil heating system for a reaction vessel according to claim 1, characterized in that: The bottom of the reaction kettle body (1) is provided with a guide leg (15), the guide leg (15) penetrates through the bottom of the reaction kettle jacket (11), the bottom of the guide leg (15) is provided with a jacket support part (16), when the reaction kettle jacket (11) is lowered to abut against the jacket support part (16), the heat conducting oil cavity (12) is increased to the maximum.

3. The heat conducting oil heating system for a reaction vessel according to claim 1, wherein: The reaction kettle body (1) is provided with a guide cylinder (17), the reaction kettle jacket (11) is slidably sleeved outside the guide cylinder (17), the guide cylinder (17) and the reaction kettle body (1) have a gap (18), the gap (18) is communicated with the heat conducting oil cavity (12), the top of the gap (18) is connected with an oil inlet channel (19), the oil inlet channel (19) is connected with the combustion furnace (3), the bottom of the reaction kettle jacket (11) is provided with an oil outlet channel (110), the oil outlet channel (110) is connected with the first circulating pump (2).

4. The heat conducting oil heating system for a reaction vessel according to claim 1, characterized in that: The reaction kettle jacket (11) and the combustion furnace (3) are provided with a first flow regulating valve (61).

5. The heat conducting oil heating system for a reaction vessel according to claim 4, wherein: The reaction kettle jacket (11) and the combustion furnace (3) are provided with a second flow regulating valve (62) connected in parallel with the first flow regulating valve (61), the heat conducting oil pipeline where the first flow regulating valve (61) and the second flow regulating valve (62) are located is switched by the electromagnetic valve (63) being powered on or powered off, the electromagnetic valve (63) and the first circulating pump (2) are powered by the same power supply.

6. The heat conducting oil heating system for a reaction vessel according to claim 4 or 5, characterized in that: The second circulating pump (7) is connected between the reactor jacket (11) and the combustion furnace (3) through a pipeline, the second circulating pump (7) is connected with a normally closed switch (8), the normally closed switch (8) is arranged on the reactor body (1), when the second iron block (14) is attracted to the second electromagnet (13), the normally closed switch (8) is pressed off circuit by the reactor jacket (11), the second circulating pump (7), the first circulating pump (2), the first electromagnet (42) and the second electromagnet (13) are powered by the same power supply.

7. The heat conducting oil heating system for a reaction vessel according to claim 1, wherein: The spring (47) is arranged in the oil reservoir (4), one end of the spring (47) abuts against the end face with the oil outlet (44), and the other end of the spring (47) abuts against the piston (41).

8. The heat conducting oil heating system for a reaction vessel according to claim 1, characterized in that: The reactor jacket (11) and the oil reservoir (4) are provided with a cooling heat exchanger (9) connected in parallel with the combustion furnace (3), and the oil reservoir (4) controls the flow of heat conducting oil through the combustion furnace (3) or the cooling heat exchanger (9) through a valve.

9. The heat conducting oil heating system for a reaction vessel according to claim 1, wherein: One end of the oil reservoir (4) located between the oil inlet (43) and the oil outlet (44) is provided with an oil supplement channel (46), the oil supplement channel (46) is provided with a one-way valve (5) and an oil filter (10).

10. The heat conducting oil heating system for a reaction vessel according to claim 1, characterized in that: The bottom of the reactor jacket (11) is provided with a counterweight box (111) for placing a counterweight.

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