Reaction temperature adjusting device

Abstract

The utility model discloses a reaction temperature adjusting device which comprises a reactor, a jacket liquid inlet pipe, a jacket liquid outlet pipe, a heat source pipe, a cold source pipe, a controller and a mixing adjusting assembly, a reaction temperature instrument is arranged on the reactor; a jacket liquid inlet pump and a jacket inlet thermometer are arranged on the jacket liquid inlet pipe; the mixing adjusting assembly comprises a first liquid inlet pipe, a second liquid inlet pipe, a three-way pipe, an adjusting liquid outlet pipe, a first adjusting valve and a second adjusting valve; a temperature adjusting instrument is arranged at the communication position of the adjusting liquid outlet pipe and the jacket liquid inlet pipe; according to the technical scheme, the reactor, the jacket liquid inlet pipe, the jacket liquid outlet pipe, the heat source pipe, the cold source pipe, the controller, the mixing adjusting assembly, the reaction temperature instrument, the jacket inlet temperature instrument and the temperature adjusting instrument are adopted, so that the response speed of reaction temperature control is increased, and the control precision of the reaction temperature is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of chemical equipment, in particular to a reaction temperature regulating device. Background Art

[0002] A reaction kettle is a production device widely used in the chemical and pharmaceutical fields. There are many factors affecting product quality during the production process, and the temperature control of the reaction kettle is a relatively crucial factor. The temperature control of the reaction kettle not only affects product quality but also determines the safety of the production process. How to accurately and effectively control the reaction temperature inside the reaction kettle has become an important link in the chemical and pharmaceutical production processes.

[0003] Currently, the temperature of the reaction kettle is controlled by introducing normal temperature medium, cold medium, and hot medium into the jacket inlet pipe through a normal temperature source pipe, a heat source pipe, and a cold source pipe respectively, introducing the normal temperature medium, cold medium, or hot medium into the jacket, and controlling the reaction temperature inside the reaction kettle through a jacket arranged outside the reaction kettle. However, the response speed of this method for controlling the reaction temperature inside the reaction kettle is slow, and the control accuracy is relatively low. Summary of the Utility Model

[0004] The main purpose of the utility model is to propose a reaction temperature regulating device, aiming to improve the response speed of reaction temperature control and the control accuracy of reaction temperature.

[0005] To achieve the above purpose, the reaction temperature regulating device proposed by the utility model is used for controlling the reaction temperature of a reactor, and includes:

[0006] A reactor, which includes a jacket, and a reaction thermometer for measuring the reaction temperature inside the reactor is arranged on the reactor;

[0007] A jacket inlet pipe, which is communicated with the jacket, and a jacket inlet pump and a jacket inlet thermometer are arranged on the jacket inlet pipe, and the jacket inlet thermometer is located between the jacket inlet pump and the jacket;

[0008] A jacket outlet pipe, which is communicated with the jacket, and an adjusting outlet valve is arranged on the jacket outlet pipe;

[0009] A heat source pipe, on which a first control valve is arranged, and the heat source pipe is communicated with a heat medium source;

[0010] A cold source pipe, on which a second control valve is arranged, and the cold source pipe is communicated with a cold medium source;

[0011] A controller; and

[0012] Mixing adjustment assembly, the mixing adjustment assembly includes a first liquid inlet pipe, a second liquid inlet pipe, a three-way pipe, an adjustment liquid outlet pipe, a first control valve, and a second control valve; the first control valve is arranged on the first liquid inlet pipe, and the second control valve is arranged on the second liquid inlet pipe; one end of the first liquid inlet pipe is communicated with the heat source pipe, and the other end is communicated with the three-way pipe; one end of the second liquid inlet pipe is communicated with the cold source pipe, and the other end is communicated with the three-way pipe; one end of the adjustment liquid outlet pipe is communicated with the jacket liquid inlet pipe, and the other end is communicated with the three-way pipe; an adjustment thermometer is arranged at the connection position between the adjustment liquid outlet pipe and the jacket liquid inlet pipe;

[0013] Both the heat source pipe and the cold source pipe are communicated with the jacket liquid inlet pipe; the controller is communicatively connected to the adjustment liquid outlet valve, the jacket inlet temperature meter, the first control valve, the second control valve, the first control valve, the second control valve, the reaction thermometer, and the adjustment thermometer.

[0014] Optionally, a jacket liquid inlet valve is further arranged on the jacket liquid inlet pipe, and the jacket liquid inlet valve is located between the adjustment thermometer and the jacket liquid inlet pump.

[0015] Optionally, it further includes:

[0016] A hot reflux pipe, a third control valve is arranged on the hot reflux pipe, and the hot reflux pipe is used for refluxing hot medium and is communicated with the hot reflux tank;

[0017] A cold reflux pipe, a fourth control valve is arranged on the cold reflux pipe, and the cold reflux pipe is used for refluxing cold medium and is communicated with the cold reflux tank;

[0018] Both the hot reflux pipe and the cold reflux pipe are communicated with the jacket liquid outlet pipe; both the third control valve and the fourth control valve are communicatively connected to the controller.

[0019] Optionally, it further includes: a circulation pipe, a check valve is arranged on the circulation pipe, both ends of the circulation pipe are respectively communicated with the jacket liquid inlet pipe and the jacket liquid outlet pipe, the connection position between the circulation pipe and the jacket liquid inlet pipe is located between the jacket liquid inlet valve and the adjustment thermometer, and the connection position between the circulation pipe and the jacket liquid outlet pipe is located between the adjustment liquid outlet valve and the jacket;

[0020] Optionally, a liquid outlet switch valve is further arranged on the jacket liquid outlet pipe, and the liquid outlet switch valve is located between the adjustment liquid outlet valve and the circulation pipe.

[0021] Optionally, spare liquid outlet pipes are arranged on both sides of the adjustment liquid outlet valve and the liquid outlet switch valve, both ends of the spare liquid outlet pipes are respectively communicated with the jacket liquid outlet pipe, and a spare valve is arranged on the spare liquid outlet pipes, and the spare valve is communicatively connected to the controller.

[0022] Optionally, it further includes: a direct connection pipe, a direct connection valve is arranged on the direct connection pipe, one end of the direct connection pipe is communicated with the circulation pipe, the other end is communicated with the jacket liquid inlet pipe, the connection position between the direct connection pipe and the circulation pipe is located between the jacket liquid inlet pipe and the check valve, and the connection position between the direct connection pipe and the jacket liquid inlet pipe is located between the jacket inlet temperature meter and the jacket liquid inlet pump.

[0023] Optionally, a first maintenance pipe is communicated with the jacket inlet pipe, and the communication position between the first maintenance pipe and the jacket inlet pipe is located between the jacket and the jacket inlet pump. A first maintenance valve is arranged on the first maintenance pipe;

[0024] A second maintenance pipe is communicated with the jacket outlet pipe, and the communication position between the second maintenance pipe and the jacket outlet pipe is located between the jacket and the regulating outlet valve. A second maintenance valve is arranged on the second maintenance pipe.

[0025] Optionally, a second one-way valve is further arranged on the jacket inlet pipe and between the jacket inlet pump and the jacket.

[0026] Optionally, it further includes:

[0027] A normal temperature source pipe, on which a fifth control valve is arranged, and the normal temperature source pipe is communicated with a normal temperature medium source;

[0028] A normal temperature return pipe, on which a sixth control valve is arranged, and the normal temperature return pipe is used for returning the normal temperature medium and is communicated with a normal temperature return tank;

[0029] The normal temperature source pipe is communicated with the cooling liquid inlet of the jacket inlet pump, and the normal temperature return pipe is communicated with the cooling liquid outlet of the jacket inlet pump.

[0030] The technical solution of the present utility model improves the response speed of reaction temperature control and the control accuracy of reaction temperature by adopting a reactor, a jacket inlet pipe, a jacket outlet pipe, a heat source pipe, a cold source pipe, a controller, a mixing and regulating assembly, a reaction temperature instrument, a jacket inlet temperature instrument and a regulating temperature instrument. Description of the Drawings

[0031] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required to be used in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on the structures shown in these drawings without creative efforts.

[0032] Figure 1 It is a schematic structural diagram of an embodiment of the reaction temperature regulating device of the present utility model;

[0033] Figure 2 It is a schematic structural diagram of the mixing and regulating assembly of the reaction temperature regulating device of the present utility model;

[0034] Figure 3 It is a schematic diagram of a partial structure of the reaction temperature regulating device of the present utility model Figure 1 ;

[0035] Figure 4Partial structural schematic of the reaction temperature adjustment device of the present utility model Figure 2 ;

[0036] Figure 5 Partial structural schematic of the reaction temperature adjustment device of the present utility model Figure 3 。

[0037] The main component symbols are explained as follows:

[0038] Reactor 1; Jacket 11; Reaction thermometer 15; Jacket inlet pipe 2; Jacket inlet pump 21; Normal temperature source pipe 212; Fifth control valve 213; Normal temperature return pipe 214; Sixth control valve 215; Jacket inlet thermometer 22; Jacket inlet thermometer 22; Jacket inlet liquid valve 23; Second check valve 26; Heat source pipe 31; First control valve 311; Cold source pipe 32; Second control valve 321; Heat return pipe 33; Third control valve 331; Cold return pipe 34; Fourth control valve 341; Mixing and adjusting assembly 4; First inlet pipe 41; Second inlet pipe 42; Adjusting outlet pipe 44; First regulating valve 45; Second regulating valve 46; Adjusting thermometer 47; Circulation pipe 5; Check valve 51; Direct connection pipe 55; Direct connection valve 56; Jacket outlet pipe 6; Adjusting outlet valve 61; Outlet switch valve 62; Spare outlet pipe 65; Spare valve 651; First maintenance pipe 81; First maintenance valve 811; Second maintenance pipe 82; Second maintenance valve 821.

[0039] The realization, functional features and advantages of the purpose of the present utility model will be further described in conjunction with the embodiments with reference to the attached drawings. Specific embodiments

[0040] The realization, functional features and advantages of the purpose of the present utility model will be further described in conjunction with the embodiments with reference to the attached drawings.

[0041] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described with reference to the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0042] It should be noted that if there are directional indications (such as up, down, left, right, front, back...) involved in the embodiments of the present utility model, the directional indications are only used to explain the relative position relationship and movement conditions between components in a specific posture (as shown in the attached drawings). If the specific posture changes, the directional indications will also change accordingly.

[0043] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the present utility model, the descriptions of "first", "second", etc. are only for descriptive purposes and cannot be construed as indicating or implying their relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first", "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions between various embodiments can be combined with each other, but it must be based on the ability of those of ordinary skill in the art to implement. When the combination of technical solutions results in contradictions or cannot be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection required by the present utility model.

[0044] The present utility model provides a reaction temperature regulating device.

[0045] In the embodiments of the present utility model, as Figures 1 to 5 shown, the reaction temperature regulating device is used to control the reaction temperature of the reactor 1. The reaction temperature regulating device includes: the reactor 1, a jacket inlet pipe 2, a jacket outlet pipe 6, a heat source pipe 31, a cold source pipe 32, a controller, and a mixing and regulating component 4; the reactor includes a jacket 11, and a reaction thermometer 15 for measuring the reaction temperature inside the reactor 1 is provided on the reactor 1; the jacket inlet pipe 2 is communicated with the jacket 11, a jacket inlet pump 21 and a jacket inlet thermometer 22 are provided on the jacket inlet pipe 2, and the jacket inlet thermometer 22 is located between the jacket inlet pump 21 and the jacket 11; the jacket outlet pipe 6 is communicated with the jacket 11, and a regulating outlet valve 61 is provided on the jacket outlet pipe 6; a first control valve 311 is provided on the heat source pipe 31, and the heat source pipe 31 is communicated with a heat medium source; a second control valve 321 is provided on the cold source pipe 32, and the cold source pipe 32 is communicated with a cold medium source;

[0046] The mixing and regulating component 4 includes a first inlet pipe 41, a second inlet pipe 42, a three-way pipe, a regulating outlet pipe 44, a first regulating valve 45, and a second regulating valve 46; the first regulating valve 45 is provided on the first inlet pipe 41, and the second regulating valve 46 is provided on the second inlet pipe 42; one end of the first inlet pipe 41 is communicated with the heat source pipe 31, and the other end is communicated with the three-way pipe; one end of the second inlet pipe 42 is communicated with the cold source pipe 32, and the other end is communicated with the three-way pipe; one end of the regulating outlet pipe 44 is communicated with the jacket inlet pipe 2, and the other end is communicated with the three-way pipe; a regulating thermometer 47 is provided at the connection position of the regulating outlet pipe 44 and the jacket inlet pipe 2;

[0047] Both the heat source pipe 31 and the cold source pipe 32 are connected to the jacket inlet pipe 2; the controller is communicatively connected to the regulating outlet valve 61, the jacket inlet temperature gauge 22, the first control valve 311, the second control valve 321, the first regulating valve 45, the second regulating valve 46, the reaction temperature gauge 15, and the regulating temperature gauge 47. Among them, the first regulating valve 45, the second regulating valve 46, and the regulating outlet valve 61 are regulating valves; the first control valve 311 and the second control valve 321 are on-off valves.

[0048] The technical solution of the present utility model improves the response speed of reaction temperature control and the control accuracy of reaction temperature by adopting the reactor 1, the jacket inlet pipe 2, the jacket outlet pipe 6, the heat source pipe 31, the cold source pipe 32, the controller, the mixing and regulating assembly 4, the reaction temperature gauge 15, the jacket inlet temperature gauge 22, and the regulating temperature gauge 47.

[0049] Specifically, in order to facilitate the control of the flow rate of the medium entering the jacket 11, a jacket inlet valve 23 is further provided on the jacket inlet pipe 2, and the jacket inlet valve 23 is located between the regulating temperature gauge 47 and the jacket inlet pump 21.

[0050] Specifically, in order to facilitate the separate recovery of the cold medium or the hot medium in the jacket, the reaction temperature regulating device further includes:

[0051] A hot return pipe 33 is provided with a third control valve 331, and the hot return pipe 33 is used for returning the hot medium and is connected to the hot return tank;

[0052] A cold return pipe 34 is provided with a fourth control valve 341, and the cold return pipe 34 is used for returning the cold medium and is connected to the cold return tank;

[0053] Both the hot return pipe 33 and the cold return pipe 34 are connected to the jacket outlet pipe 6; both the third control valve 331 and the fourth control valve 341 are communicatively connected to the controller.

[0054] Specifically, in order to achieve the control of the medium circulation and save the energy consumption of the reaction temperature regulating device, the reaction temperature regulating device further includes: a circulation pipe 5, the circulation pipe 5 is provided with a check valve 51, both ends of the circulation pipe 5 are respectively connected to the jacket inlet pipe 2 and the jacket outlet pipe 6, the connection position of the circulation pipe 5 and the jacket inlet pipe 2 is between the jacket inlet valve 23 and the regulating temperature gauge 47, and the connection position of the circulation pipe 5 and the jacket outlet pipe 6 is between the regulating outlet valve 61 and the jacket 11;

[0055] Specifically, in order to facilitate the control of the large-flow control medium flowing out of the jacket, and thus quickly cool or heat up the reaction in the reactor, the jacket outlet pipe 6 is further provided with an outlet on-off valve 62, and the outlet on-off valve 62 is located between the regulating outlet valve 61 and the circulation pipe 5.

[0056] Specifically, in order to facilitate increasing the outflow rate of the regulating medium and improving the stability of the medium liquid outlet of the reaction temperature regulating device, spare liquid outlet pipes 65 are arranged on both sides of the liquid outlet valve 61 and the liquid outlet switch valve 62. Both ends of the spare liquid outlet pipe 65 are respectively connected to the jacket liquid outlet pipe 6. A spare valve 651 is arranged on the spare liquid outlet pipe 65, and the spare valve 651 is communicatively connected to the controller.

[0057] Specifically, to further save the energy consumption of the automatic dropping reaction device, the reaction temperature regulating device further includes: a direct connection pipe 55. A direct connection valve 56 is arranged on the direct connection pipe 55. One end of the direct connection pipe 55 is connected to the circulation pipe 5, and the other end is connected to the jacket inlet pipe 2. The connection position of the direct connection pipe 55 and the circulation pipe 5 is located between the jacket inlet pipe 2 and the check valve 51, and the connection position of the direct connection pipe 55 and the jacket inlet pipe 2 is located between the jacket inlet temperature gauge 22 and the jacket inlet pump 21.

[0058] Specifically, in order to facilitate discharging the medium in the jacket inlet pipe 2 and facilitating the maintenance of the reaction temperature regulating device, the jacket inlet pipe 2 is connected to a first maintenance pipe 81. The connection position of the first maintenance pipe 81 and the jacket inlet pipe 2 is located between the jacket 11 and the jacket inlet pump 21. Further, the connection position of the first maintenance pipe 81 and the jacket inlet pipe 2 is located between the jacket inlet temperature gauge 22 and the jacket 11. A first maintenance valve 811 is arranged on the first maintenance pipe 81;

[0059] Specifically, in order to facilitate discharging the medium in the jacket outlet pipe 6 and facilitating the maintenance of the reaction temperature regulating device, the jacket outlet pipe 6 is connected to a second maintenance pipe 82. The connection position of the second maintenance pipe 82 and the jacket outlet pipe 6 is located between the jacket 11 and the liquid outlet valve 61; further, the connection position of the second maintenance pipe 82 and the jacket outlet pipe 6 is located between the circulation pipe 5 and the jacket 11; a second maintenance valve 821 is arranged on the second maintenance pipe 82.

[0060] Specifically, in order to facilitate controlling the flow direction of the medium flowing in the jacket inlet pipe 2 and improving the temperature control efficiency of the reaction temperature regulating device, a second check valve 26 is further arranged on the jacket inlet pipe 2 and between the jacket inlet pump 21 and the jacket 11. Further, a second check valve 26 is arranged on the jacket inlet pipe 2 and between the jacket inlet pump 21 and the direct connection pipe 55.

[0061] Specifically, in order to cool down the jacket inlet pump 21, the reaction temperature regulating device further includes:

[0062] A normal temperature source pipe 212. A fifth control valve 213 is arranged on the normal temperature source pipe 212. The normal temperature source pipe 212 is connected to a normal temperature medium source;

[0063] The normal-temperature reflux pipe 214 is provided with a sixth control valve 215. The normal-temperature reflux pipe 214 is used for refluxing the normal-temperature medium and is connected to the normal-temperature reflux tank;

[0064] The normal-temperature source pipe 212 is connected to the cooling liquid inlet of the jacket liquid inlet pump 21, and the normal-temperature reflux pipe 214 is connected to the cooling liquid outlet of the jacket liquid inlet pump 21.

[0065] The normal-temperature medium can be introduced through the normal-temperature source pipe 212 to cool the jacket liquid inlet pump 21, and then the normal-temperature medium flows back to the normal-temperature reflux tank through the normal-temperature reflux pipe 214.

[0066] The flow principle of the medium of the reaction temperature regulating device of the present utility model: After adding reactants to the reactor 1 and carrying out the reaction, the medium, under the action of the jacket liquid inlet pump 21, passes through the heat source pipe 31, the cold source pipe 32 or the mixing and regulating assembly 4, and then enters the jacket liquid inlet pipe 6 and the jacket 11 in sequence, and exchanges heat with the reactor 1 through the jacket 11 to regulate the temperature of the reactor 1; after the medium exchanges heat with the reactor through the jacket 11, it enters the jacket liquid outlet pipe 6; after the medium enters the jacket liquid outlet pipe 6, it can enter the jacket liquid inlet pipe 2 through the circulation pipe 5; after the medium enters the jacket liquid outlet pipe 6, it can enter the heat reflux pipe 33 or the cold reflux pipe 34 after adjusting the liquid outlet valve 61 and / or the standby valve 651.

[0067] The working principle of the medium of the reaction temperature adjustment device of the present utility model: The controller determines the medium temperature fluctuation range where the jacket inlet temperature sensor 22 is located according to the actual internal temperature data measured by the reaction temperature sensor 15, the input target temperature, and the input heating slope; determines the valve opening and closing degree ranges of the first regulating valve 45 and the second regulating valve 46 according to the medium temperature fluctuation range; adjusts the valve opening and closing degrees of the first regulating valve 45 and the second regulating valve 46 according to the mixed point temperature data measured by the jacket inlet temperature sensor 22, the medium temperature fluctuation range, and the PID control method; through the valve opening and closing degree ranges of the first regulating valve 45 and the second regulating valve 46, the temperature of the jacket inlet temperature sensor 22, and then through the heat exchange of the medium between the jacket 11 and the reactor 1, the reaction temperature in the reactor 1 is adjusted; then, according to the actual internal temperature data measured by the reaction temperature sensor 15, the input target temperature, the input heating slope, and the PID control method, the medium temperature fluctuation range where the jacket inlet temperature sensor 22 is located is determined in reverse; and so on, and then according to the mixed point temperature data measured by the jacket inlet temperature sensor 22, the medium temperature fluctuation range, and the PID control method, the valve opening and closing degrees of the first regulating valve 45 and the second regulating valve 46 are adjusted, and through the valve opening and closing degrees of the first regulating valve 45 and the second regulating valve 46, the temperature of the jacket inlet temperature sensor 22 is adjusted, and then through the heat exchange of the medium between the jacket 11 and the reactor 1, the dynamic adjustment of the reaction temperature in the reactor 1 is realized. At the same time, feedforward control is carried out by using the temperature sensor 47. When it is detected that the current temperature exceeds the input target temperature and the range determined by the temperature sensor 47, the first regulating valve 45 and the second regulating valve 46 are closed and adjusted.

[0068] The above are only the preferred embodiments of the present utility model, and do not limit the patent scope of the present utility model accordingly. Any equivalent structural transformation made under the concept of the present utility model by using the content of the specification and drawings of the present utility model, or directly / indirectly applied to other related technical fields, is included in the patent protection scope of the present utility model.

Claims

1. A reaction temperature adjustment device, characterized in that, For controlling the reaction temperature of a reactor (1), including: A reactor (1), the reactor comprising a jacket (11), and a reaction thermometer (15) is provided on the reactor (1) for measuring the reaction temperature inside the reactor (1); A jacket inlet pipe (2), the jacket inlet pipe (2) is communicated with the jacket (11), a jacket inlet pump (21) and a jacket inlet thermometer (22) are provided on the jacket inlet pipe (2), and the jacket inlet thermometer (22) is located between the jacket inlet pump (21) and the jacket (11); A jacket outlet pipe (6), the jacket outlet pipe (6) is communicated with the jacket (11), and an adjusting outlet valve (61) is provided on the jacket outlet pipe (6); A heat source pipe (31), a first control valve (311) is provided on the heat source pipe (31), and the heat source pipe (31) is communicated with a heat medium source; A cold source pipe (32), a second control valve (321) is provided on the cold source pipe (32), and the cold source pipe (32) is communicated with a cold medium source; A controller; and A mixing and adjusting assembly (4), the mixing and adjusting assembly (4) includes a first inlet pipe (41), a second inlet pipe (42), a tee, an adjusting outlet pipe (44), a first adjusting valve (45) and a second adjusting valve (46); the first adjusting valve (45) is provided on the first inlet pipe (41), and the second adjusting valve (46) is provided on the second inlet pipe (42); one end of the first inlet pipe (41) is communicated with the heat source pipe (31), and the other end is communicated with the tee; one end of the second inlet pipe (42) is communicated with the cold source pipe (32), and the other end is communicated with the tee; one end of the adjusting outlet pipe (44) is communicated with the jacket inlet pipe (2), and the other end is communicated with the tee; an adjusting thermometer (47) is provided at the communicating position of the adjusting outlet pipe (44) and the jacket inlet pipe (2); Both the heat source pipe (31) and the cold source pipe (32) are communicated with the jacket inlet pipe (2); the controller is communicatively connected to the adjusting outlet valve (61), the jacket inlet thermometer (22), the first control valve (311), the second control valve (321), the first adjusting valve (45), the second adjusting valve (46), the reaction thermometer (15) and the adjusting thermometer (47).

2. The reaction temperature adjustment device according to claim 1, characterized in that, A jacket inlet valve (23) is further provided on the jacket inlet pipe (2), and the jacket inlet valve (23) is located between the adjusting thermometer (47) and the jacket inlet pump (21).

3. The reaction temperature adjusting device according to claim 2, characterized in that, Further included are: A heat reflux pipe (33), a third control valve (331) is provided on the heat reflux pipe (33), and the heat reflux pipe (33) is used for refluxing the heat medium and is communicated with a heat reflux tank; A cold reflux pipe (34), a fourth control valve (341) is provided on the cold reflux pipe (34), and the cold reflux pipe (34) is used for refluxing the cold medium and is communicated with a cold reflux tank; The heat reflux pipe (33) and the cold reflux pipe (34) are both communicated with the jacket liquid outlet pipe (6); the third control valve (331) and the fourth control valve (341) are both communicatively connected to the controller.

4. The reaction temperature regulating device according to any one of claims 1 to 3, characterized in that It further includes: A circulation pipe (5) is provided with a check valve (51). The two ends of the circulation pipe (5) are respectively communicated with the jacket liquid inlet pipe (2) and the jacket liquid outlet pipe (6). The connection position of the circulation pipe (5) and the jacket liquid inlet pipe (2) is between the jacket liquid inlet valve (23) and the regulating thermometer (47), and the connection position of the circulation pipe (5) and the jacket liquid outlet pipe (6) is between the regulating liquid outlet valve (61) and the jacket (11).

5. The reaction temperature adjusting device according to claim 4, characterized in that, The jacket liquid outlet pipe (6) is further provided with a liquid outlet switch valve (62), and the liquid outlet switch valve (62) is located between the regulating liquid outlet valve (61) and the circulation pipe (5).

6. The reaction temperature regulating device according to claim 5, wherein Spare liquid outlet pipes (65) are arranged on both sides of the regulating liquid outlet valve (61) and the liquid outlet switch valve (62). The two ends of the spare liquid outlet pipes (65) are respectively communicated with the jacket liquid outlet pipe (6). A spare valve (651) is arranged on the spare liquid outlet pipes (65), and the spare valve (651) is communicatively connected to the controller.

7. The reaction temperature adjusting device according to claim 6, characterized in that, It further includes: A direct connection pipe (55) is provided with a direct connection valve (56). One end of the direct connection pipe (55) is communicated with the circulation pipe (5), and the other end is communicated with the jacket liquid inlet pipe (2). The connection position of the direct connection pipe (55) and the circulation pipe (5) is between the jacket liquid inlet pipe (2) and the check valve (51), and the connection position of the direct connection pipe (55) and the jacket liquid inlet pipe (2) is between the jacket inlet thermometer (22) and the jacket liquid inlet pump (21).

8. The reaction temperature adjusting device according to any one of claims 1 to 3, characterized in that, The jacket liquid inlet pipe (2) is communicated with a first maintenance pipe (81). The connection position of the first maintenance pipe (81) and the jacket liquid inlet pipe (2) is between the jacket (11) and the jacket liquid inlet pump (21). A first maintenance valve (811) is arranged on the first maintenance pipe (81); The jacket liquid outlet pipe (6) is communicated with a second maintenance pipe (82). The connection position of the second maintenance pipe (82) and the jacket liquid outlet pipe (6) is between the jacket (11) and the regulating liquid outlet valve (61). A second maintenance valve (821) is arranged on the second maintenance pipe (82).

9. The reaction temperature adjusting device according to claim 8, characterized in that A second check valve (26) is further arranged on the jacket liquid inlet pipe (2) and between the jacket liquid inlet pump (21) and the jacket (11).

10. The reaction temperature adjusting device according to any one of claims 1 to 3, characterized in that, It further includes: A normal temperature source pipe (212) is provided with a fifth control valve (213), and the normal temperature source pipe (212) is communicated with a normal temperature medium source; A normal temperature reflux pipe (214) is provided with a sixth control valve (215), and the normal temperature reflux pipe (214) is used for refluxing the normal temperature medium and is communicated with a normal temperature reflux tank; The normal temperature source pipe (212) is communicated with the cooling liquid inlet of the jacket liquid inlet pump (21), and the normal temperature return pipe (214) is communicated with the cooling liquid outlet of the jacket liquid inlet pump (21).

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