CN213966592U

CN213966592U - Anti-boiling buffer device for heat-conducting oil of clozapine ring-closing reaction kettle

Info

Publication number: CN213966592U
Application number: CN202022653113.5U
Authority: CN
Inventors: 高政; 王宇; 吴卫征; 张伟; 魏征; 汪池; 耿炎; 朱磊; 彭林光
Original assignee: Jiangsu Cixing Pharmaceutical Co ltd
Current assignee: Jiangsu Cixing Pharmaceutical Co ltd
Priority date: 2020-11-16
Filing date: 2020-11-16
Publication date: 2021-08-17
Anticipated expiration: 2030-11-16

Abstract

The utility model discloses a heat-conducting oil anti-boiling buffer device of a clozapine cyclization reaction kettle, which comprises a kettle body, wherein a feed inlet is arranged at the upper part of the kettle body, a discharge outlet is arranged at the bottom of the kettle body, a stirring device is arranged at the upper part of the kettle body, a jacket is outwards extended from the lower part of the kettle body, and a cavity is formed between the jacket and the kettle body; the upper part of the cavity is provided with an oil inlet pipe, and the lower part of the cavity is provided with an oil outlet pipe; a furnace box is arranged outside the kettle body, a heating tank is arranged in the furnace box, a heat conduction oil extraction pipe and a return pipe are arranged on the side wall of the heating tank, the heat conduction oil extraction pipe is connected with an extraction pump, and the extraction pump is connected with an oil discharge pipe; the oil discharge pipe is connected with the oil inlet pipe, and the return pipe is connected with the oil outlet pipe; the top of the heating tank is provided with a pressure reducing pipe and an overflow pipe. The utility model aims at providing a clozapine cyclization reation kettle, it utilizes the conduction oil to heat to have boiling prevention, buffering oil pressure unit, really accomplish safety, high efficiency, green.

Description

Anti-boiling buffer device for heat-conducting oil of clozapine ring-closing reaction kettle

Technical Field

The utility model belongs to the technical field of reation kettle, concretely relates to clozapine cyclization reation kettle conduction oil anti-boiling buffer.

Background

The reaction kettle is used as a reaction container for producing raw materials, the reaction kettle needs to be heated to promote the reaction before the reaction is carried out or at a certain stage in the process of the reaction, wherein the reaction kettle is heated by utilizing heat conduction oil, and has the characteristics of difficult corrosion, high heating speed and high heating temperature.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem: the utility model provides a clozapine cyclization reation kettle, it utilizes the conduction oil to heat to have boiling prevention, buffering oil pressure unit, really accomplish safety, high efficiency, green.

The technical scheme is as follows: in order to solve the technical problem, the utility model discloses a technical scheme as follows:

a clozapine cyclization reaction kettle heat conduction oil anti-boiling buffer device comprises a kettle body, wherein a feed inlet is formed in the upper part of the kettle body, a discharge outlet is formed in the bottom of the kettle body, a stirring device is arranged on the upper part of the kettle body, a jacket extends outwards from the lower part of the kettle body, and a cavity for containing heat conduction oil is formed between the jacket and the kettle body; the upper part of the cavity is provided with an oil inlet pipe, and the lower part of the cavity is provided with an oil outlet pipe; a furnace box is arranged outside the kettle body, and a heating tank is arranged in the furnace box;

a heat-conducting oil extraction pipe and a return pipe are arranged on the side wall of the heating tank, the heat-conducting oil extraction pipe is connected with an extraction pump, and the extraction pump is connected with an oil discharge pipe; the oil discharge pipe is connected with the oil inlet pipe, and the return pipe is connected with the oil outlet pipe; the top of the heating tank is provided with a pressure reducing pipe vertically extending upwards from the top of the oven box, and the pressure reducing pipe is provided with an overflow pipe communicated with the pressure reducing pipe at a position close to the top of the oven box.

Furthermore, the pipeline of the overflow pipe is arranged horizontally, and the upper part of the decompression pipe is opened.

Further, the length of the decompression pipe is 1.5-2 m, and the inner pipe diameter of the decompression pipe is 10-20 cm.

Furthermore, the top of the oven box is communicated with a smoke exhaust pipe which extends vertically and upwards.

Further, the suction pump is arranged on a fixed seat.

Furthermore, an extraction pipe shutoff valve is arranged on the heat conduction oil extraction pipe, and an oil discharge pipe shutoff valve is arranged on the oil discharge pipe.

Furthermore, a communicating pipe is also arranged at the upper part of the cavity, and the upper end of the communicating pipe is higher than the jacket; the communicating pipe is provided with an observation window for observing the heat conducting oil.

Furthermore, a pressure sensor is arranged in the communicating pipe, and the position of the pressure sensor is higher than the upper end of the cavity.

Further, an asbestos net layer and a heat insulation layer are sequentially arranged outside the jacket.

Has the advantages that: compared with the prior art, the utility model has the advantages of it is following: the utility model discloses utilize the conduction oil to heat reation kettle, rate of heating is fast, and is efficient. The utility model discloses a heating device can adopt timber or biomass fuel or natural gas as the heat source, has energy-conserving advantage, and convenient for material collection can not be subject to the problem of gas supply or power supply shortage. And through set up the relief pipe that communicates with the atmosphere and communicate the overflow pipe of this relief pipe at the heating tank top for the inside conduction oil of heating tank accessible relief pipe and overflow pipe carry out the pressure release after the boiling, prevent that the too big explosion that produces of heating tank internal pressure and spill over the accident, guarantee reation kettle's security. In addition, the communicating pipe and the observation window with the pressure sensor are arranged on the upper part of the heat-conducting oil cavity of the reaction kettle, so that the state of the heat-conducting oil can be well observed, and the monitoring and the control are facilitated. The utility model discloses simple structure has conduction oil anti-boiling device and conduction oil buffer, safe and reliable to have high efficiency, energy-conserving advantage.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is an enlarged view of a portion a of fig. 1.

Detailed Description

The present invention will be further clarified by the following embodiments, which are implemented on the premise of the technical solution of the present invention, with reference to the attached drawings, and it should be understood that these embodiments are only used for illustrating the present invention and are not used for limiting the scope of the present invention.

As shown in fig. 1, a heat-conducting oil anti-boiling buffer device of a clozapine cyclization reaction kettle comprises a kettle body 1, wherein a feed inlet 11 is arranged at the upper part of the kettle body 1, a discharge outlet 12 is arranged at the bottom of the kettle body 1, a stirring device 2 is arranged at the upper part of the kettle body 1, a jacket 3 extends outwards from the lower part of the kettle body 1, and a cavity 4 for containing heat-conducting oil is formed between the jacket 3 and the kettle body 1; an oil inlet pipe 41 is arranged at the upper part of the cavity 4, and an oil outlet pipe 42 is arranged at the lower part of the cavity 4; a furnace box 5 is arranged outside the kettle body 1, and a heating tank 6 is arranged in the furnace box 5; the utility model discloses a stove case 5 can adopt timber or biomass fuel or natural gas as the heat source, has energy-conserving advantage, and convenient for material collection can not be subject to the problem of gas supply or power supply shortage.

The top of the furnace box 5 is communicated with a smoke exhaust pipe 7 which extends vertically and upwards, and smoke dust generated by combustion in the furnace box 5 is exhausted to the outside from a combustion chamber of the furnace box 5 through the smoke exhaust pipe 7. The heating tank 6 is provided with a heat conduction oil extraction pipe 8 and a return pipe 9 on the side wall of the heating tank, the heat conduction oil extraction pipe 8 is connected with an extraction pump 10, the extraction pump 10 is arranged on a fixed seat 101, and the extraction pump 10 is connected with an oil discharge pipe 13. The oil discharge pipe 13 is connected with the oil inlet pipe 41, and the heat conduction oil extracted by the extraction pump 10 is sent to the oil discharge pipe 13 through the heat conduction oil extraction pipe 8 and then sent into the cavity 4 through the oil discharge pipe 13; the return pipe 9 is connected to the outlet pipe 42.

After the high-temperature heat conduction oil discharged through the oil discharge pipe 13 uses heat in the kettle body 1, the heat conduction oil which has dissipated heat can flow back to the heating tank 6 through the return pipe 9 to be heated again. The return pipe 9 is connected with a return pump (not shown in the figure) at one end of the heat utilization equipment located in the high-temperature heat conduction oil. The horizontal plane height at the position where the heat conduction oil extraction pipe 8 is communicated with the heating tank 6 is lower than the horizontal plane height at the position where the return pipe 9 is communicated with the heating tank 6, so that the heat conduction oil which flows into the return pipe 9 and is cooled can flow back to the bottom to be heated more quickly.

An extraction pipe stop valve 81 is arranged on the heat conduction oil extraction pipe 8, an oil extraction pipe stop valve 131 is arranged on the oil extraction pipe 13, and the heat conduction oil on the corresponding pipeline can be subjected to cut-off control through the corresponding stop valve.

Wherein, in order to prevent high-temperature bumping, the top of the heating tank 6 is provided with a decompression pipe 14 vertically extending upwards from the top of the oven box 5, and the decompression pipe 14 is provided with an overflow pipe 15 communicated with the decompression pipe 14 at a position close to the top of the oven box 5. The overflow pipe 15 is horizontally disposed, and the pressure reducing pipe 14 is opened at the top. When the conduction oil in the heating tank 6 produces the boiling, the conduction oil of boiling can rise along the decompression pipe 14 under the effect of pressure in the heating tank 6, through the opening at the top of the decompression pipe 14, can communicate with the atmosphere, release partly pressure, avoid producing too big pressure in the heating tank 6, simultaneously, the conduction oil that rises to in the decompression pipe 14 still can get into the overflow pipe 15 of decompression pipe 14 lower extreme, overflow pipe 15 inserts a transfer container and is used for keeping in the conduction oil of overflowing from this overflow pipe 15. The pressure reducing pipe 14 and the overflow pipe 15 are the boiling prevention and buffering means of the present invention.

The length of the decompression tube 14 is 1.5 to 2m, and the inner tube diameter of the decompression tube 14 is 10 to 20 cm.

A communicating pipe 16 is also arranged at the upper part of the cavity 4, and the upper end of the communicating pipe 16 is higher than the jacket 3; be equipped with the observation window that is used for observing the conduction oil on communicating pipe 16, communicate through communicating pipe 16 in the embodiment cavity 4 utilizes the communicating vessel principle to observe the liquid level of conduction oil in cavity 4 through the observation window, the impurity condition in the conduction oil to and whether have the bubble in the conduction oil, conveniently supervise the conduction oil.

A pressure sensor 17 is arranged in the communicating pipe 16, and the position of the pressure sensor 17 is higher than the upper end of the cavity 4; namely, when the heat conducting oil is gushed to the pressure sensor 17, the pressure sensor 17 transmits a signal to the alarm device communicated with the pressure sensor 17, and the alarm device reminds a worker to monitor and maintain the embodiment.

As shown in fig. 2, an asbestos sheet 31 and a heat insulating layer 32 are provided in this order outside the jacket 3. The asbestos web layer 31 plays a role in heat insulation and open fire isolation, the possibility of fire is reduced, and on the other hand, the asbestos web layer 31 also assists the heat insulation layer 32 in reducing the temperature of the outer surface of the jacket 3, so that workers are prevented from being scalded.

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 decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a clozapine cyclization reation kettle conduction oil anti-boiling buffer which characterized in that: the device comprises a kettle body (1), wherein a feed inlet (11) is formed in the upper part of the kettle body (1), a discharge outlet (12) is formed in the bottom of the kettle body (1), a stirring device (2) is arranged on the upper part of the kettle body (1), a jacket (3) extends outwards from the lower part of the kettle body (1), and a cavity (4) for containing heat conduction oil is formed between the jacket (3) and the kettle body (1); an oil inlet pipe (41) is arranged at the upper part of the cavity (4), and an oil outlet pipe (42) is arranged at the lower part of the cavity (4); a furnace box (5) is arranged outside the kettle body (1), and a heating tank (6) is arranged in the furnace box (5);

a heat conduction oil extraction pipe (8) and a return pipe (9) are arranged on the side wall of the heating tank (6), the heat conduction oil extraction pipe (8) is connected with an extraction pump (10), and the extraction pump (10) is connected with an oil discharge pipe (13); the oil discharge pipe (13) is connected with the oil inlet pipe (41), and the return pipe (9) is connected with the oil outlet pipe (42); and a decompression pipe (14) vertically and upwards extending from the top of the furnace box (5) is arranged at the top of the heating tank (6), and an overflow pipe (15) communicated with the decompression pipe (14) is arranged at the position, close to the top of the furnace box (5), of the decompression pipe (14).

2. The anti-boiling buffer device for the heat transfer oil of the clozapine cyclization reaction kettle according to claim 1, which is characterized in that: the pipeline of the overflow pipe (15) is arranged horizontally, and the upper part of the decompression pipe (14) is opened.

3. The anti-boiling buffer device for the heat transfer oil of the clozapine cyclization reaction kettle according to claim 2, which is characterized in that: the length of the decompression pipe (14) is 1.5-2 m, and the inner pipe diameter of the decompression pipe (14) is 10-20 cm.

4. The anti-boiling buffer device for the heat transfer oil of the clozapine cyclization reaction kettle according to claim 1, which is characterized in that: the top of the furnace box (5) is communicated with a smoke exhaust pipe (7) which extends vertically and upwards.

5. The anti-boiling buffer device for the heat transfer oil of the clozapine cyclization reaction kettle according to claim 1, which is characterized in that: the suction pump (10) is arranged on a fixed seat (101).

6. The anti-boiling buffer device for the heat transfer oil of the clozapine cyclization reaction kettle according to claim 1, which is characterized in that: an extraction pipe shutoff valve (81) is arranged on the heat conduction oil extraction pipe (8), and an oil extraction pipe shutoff valve (131) is arranged on the oil extraction pipe (13).

7. The anti-boiling buffer device for the heat transfer oil of the clozapine cyclization reaction kettle according to claim 1, which is characterized in that: a communicating pipe (16) is also arranged at the upper part of the cavity (4), and the upper end of the communicating pipe (16) is higher than the jacket (3); an observation window for observing the heat conduction oil is arranged on the communicating pipe (16).

8. The anti-boiling buffer device for the heat transfer oil of the clozapine cyclization reaction kettle according to claim 7, which is characterized in that: a pressure sensor (17) is arranged in the communicating pipe (16), and the position of the pressure sensor (17) is higher than the upper end of the cavity (4).

9. The anti-boiling buffer device for the heat transfer oil of the clozapine cyclization reaction kettle according to claim 1, which is characterized in that: an asbestos mesh layer (31) and a heat insulation layer (32) are sequentially arranged outside the jacket (3).