CN220835573U - Reaction kettle with integral jacket - Google Patents

Abstract

The utility model discloses a reaction kettle with an integral jacket, which belongs to the technical field of chemical reaction equipment and comprises a reaction kettle body (1), wherein a jacket (3) is arranged outside the reaction kettle body (1), a cavity (4) is formed between the inside of the jacket (3) and the reaction kettle body (1), a guide plate (5) is spirally arranged in the cavity (4), the cavity (4) is divided into a spiral flow channel (6) through the guide plate (5), an input port (7) is arranged at the upper end of the jacket (3), an output port (8) is arranged at the lower end of the jacket (3), and a conveying pipeline is arranged between the input port (7) and the output port (8).

Description

Reaction kettle with integral jacket

Technical Field

The utility model belongs to the technical field of chemical reaction equipment, and particularly relates to a reaction kettle with an integral jacket, which improves the connection strength and connection stability between the jacket and the reaction kettle.

Background

The reaction kettle is a pressure vessel for completing the technological processes of vulcanization, nitration, hydrogenation, hydrocarbylation, polymerization, condensation and the like, the outside of the reaction kettle is usually provided with a jacket, and a heating medium or a cooling medium can be introduced into the jacket so as to realize heating or cooling of a reaction system in the reaction kettle, effectively control the temperature of the reaction system, promote the progress of material reaction and improve the yield and the product quality. In the actual production process, when a heating medium is introduced, the jacket expands, and the temperature in the jacket rises faster than the temperature in the reaction kettle; when the cooling medium is introduced, the jacket can shrink, and the temperature in the jacket can drop faster than the steady drop in the reaction kettle. Therefore, the heating medium or the cooling medium is alternately introduced into the jacket for a long time, so that larger temperature difference stress exists between the jacket and the reaction kettle, the stability of connection between the jacket and the reaction kettle is affected, the jacket is easy to crack or even fall off, and the hidden danger of leakage of the heating medium or the cooling medium is caused.

The utility model patent with the application number of CN201120358827.1 discloses an improved spiral semicircular pipe sleeve reaction kettle, which comprises a kettle body, a stirring device arranged on the kettle body, at least two sections of spiral semicircular pipe sleeves are welded outside the kettle body, cold and hot carrier inlets and outlets are arranged on each section of spiral semicircular pipe sleeve, and in the process of the synthesis reaction of electroplating solution, when the kettle body needs to be cooled quickly, a heat carrier inlet valve can be closed firstly, and a cold carrier is introduced to cool the kettle, so that the process requirements of quick heating and quick cooling are met.

However, in the improved spiral semicircular pipe sleeve reaction kettle, firstly, the semicircular pipe sleeve is welded with the outside of the reaction kettle body respectively only through two ends of the semicircular pipe sleeve, so that the connection strength and the connection stability between the sleeve and the reaction kettle are poor, and cold and heat carriers are alternately introduced into the sleeve to realize the cooling and heating of the reaction kettle, and the sleeve still cracks due to temperature difference stress to cause the leakage of the cold and heat carriers; secondly, the reaction kettle has simple structure and function, does not consider the problem of how to alternately introduce and discharge the cold and heat carriers in the jacket, and does not consider the problem of how to realize the recycling of the cold and heat carriers in the jacket in order to reduce the production cost and save the energy resource.

Disclosure of utility model

The utility model aims to overcome the technical problems that in the prior art, the connection strength and the connection stability between a jacket and a reaction kettle are poor, the jacket can crack due to temperature difference stress to cause leakage of cold and hot media, and how the cold and hot media in the jacket are alternately introduced, discharged, recycled and the like are not considered.

In order to solve the technical problems, the utility model provides a reaction kettle with an integral jacket, which comprises a reaction kettle body, wherein a stirring device is arranged in the reaction kettle body, a jacket is arranged outside the reaction kettle body, the jacket is of a hollow structure, a cavity is formed between the inside of the jacket and the outer surface of the reaction kettle body, a guide plate is spirally arranged in the cavity, one side of the guide plate is connected with the jacket, the other side of the guide plate is connected with the reaction kettle body, the guide plate divides the cavity into spiral flow channels, an input port communicated with the flow channels is formed in the upper end of the jacket, an output port communicated with the flow channels is formed in the lower end of the jacket, a conveying pipeline is arranged between the input port and the output port, and a temperature control device is arranged on the conveying pipeline

As a further improvement measure of the utility model, the upper end of the reaction kettle body is provided with an observation port and a feed port respectively, the lower end of the reaction kettle body is provided with a discharge port, and the bottom of the jacket is provided with a through hole corresponding to the discharge port.

As a further improvement measure of the utility model, the two side edges of the guide plate are respectively welded with the reaction kettle body and the jacket, and the upper end and the lower end of the jacket are respectively welded with the reaction kettle body.

As a further improvement of the present utility model, the above-mentioned conveying pipeline includes a first conveying pipeline which is communicated with the input port, and a second conveying pipeline which is communicated with the output port, a third conveying pipeline is communicated between the first conveying pipeline and the second conveying pipeline, and the temperature control device includes a heater and a first temperature sensor which are arranged on the third conveying pipeline.

As a further improvement measure of the present utility model, a fourth conveying pipeline is further communicated between the first conveying pipeline and the second conveying pipeline, and the temperature control device further comprises a cooler and a second temperature sensor, which are arranged on the fourth conveying pipeline.

As a further improvement measure of the present utility model, the end of the third conveying pipeline facing the first conveying pipeline is provided with a first valve, the end of the third conveying pipeline facing the second conveying pipeline is provided with a second valve, the end of the fourth conveying pipeline facing the first conveying pipeline is provided with a third valve, and the end of the fourth conveying pipeline facing the second conveying pipeline is provided with a fourth valve.

As a further improvement measure of the utility model, the second conveying pipeline is also communicated with a storage tank and a filter, the storage tank is positioned between the output port and the filter, the filter is communicated with an output pipeline, and the output pipeline is provided with a fifth valve.

As a further improvement measure of the present utility model, a flowmeter is disposed on the first conveying pipeline, a fifth conveying pipeline is disposed between the storage tank and the second conveying pipeline, a sixth valve is disposed on the fifth conveying pipeline, and the sixth valve is connected with the flowmeter.

As a further improvement measure of the utility model, the stirring device comprises a stirring shaft and a driving motor for driving the stirring shaft to rotate, wherein the driving motor is arranged at the outer top of the reaction kettle body, a first opening for the stirring shaft to pass through is formed in the top of the reaction kettle body, and stirring paddles are arranged at one end part of the stirring shaft, which is positioned in the reaction kettle body.

Compared with the prior art, the utility model has the beneficial effects that: 1. the utility model enlarges the contact area between the jacket and the reaction kettle body by utilizing the guide plate, increases the welding range of the jacket and the reaction kettle body, improves the connection strength and the connection stability between the jacket and the reaction kettle body, and compared with the jacket of the reaction kettle in the prior art, the utility model can effectively avoid the problems that the temperature difference stress between the jacket and the reaction kettle body is caused by long-term alternate flow of water or oil medium, the stability of the connection between the jacket and the reaction kettle body is affected, the jacket is prevented from cracking or even falling off, and the leakage of the water or oil medium is avoided; 2. according to the utility model, through arranging the conveying pipelines, the conveying pipelines are respectively connected with the input port and the output port on the jacket, and the valves are arranged on the conveying pipelines, so that not only are the flow areas of the heating medium and the cooling medium in the jacket separated, but also the problems of how to introduce, discharge and recycle the mediums in the jacket are solved, the efficiency of temperature control and regulation of the reaction kettle is improved, the production cost is reduced, and the energy resource is saved; 3. according to the utility model, the heater and the first temperature sensor are arranged on the third conveying pipeline, and the cooler and the second temperature sensor are arranged on the fourth conveying pipeline, so that each medium in each pipeline can be heated or cooled continuously, and the temperature required by a reaction kettle reaction system is met.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

FIG. 2 is a schematic structural view of a reactor body and a conveying pipeline in the utility model.

FIG. 3 is a schematic structural view of a heating pipeline of a reaction kettle body in the utility model.

FIG. 4 is a schematic structural view of a cooling pipeline of a reaction kettle body in the utility model.

Reference numerals illustrate: the device comprises a 1-reaction kettle body, a 2-stirring device, a 3-jacket, a 4-cavity, a 5-deflector, a 6-runner, a 7-input port, an 8-output port, a 9-discharge port, a 10-through hole, a 11-first conveying pipeline, a 12-second conveying pipeline, a 13-third conveying pipeline, a 14-heater, a 15-first temperature sensor, a 16-fourth conveying pipeline, a 17-cooler, a 18-second temperature sensor, a 19-first valve, a 20-second valve, a 21-third valve, a 22-fourth valve, a 23-storage tank, a 24-filter, a 25-output pipeline, a 26-fifth valve, a 27-fifth conveying pipeline, a 28-sixth valve, a 29-stirring shaft, a 30-driving motor and a 31-stirring slurry.

Detailed Description

The utility model is further described below with reference to the accompanying drawings.

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

On the contrary, the utility model is intended to cover any alternatives, modifications, equivalents, and variations as may be included within the spirit and scope of the utility model as defined by the appended claims. Further, in the following detailed description of the present utility model, certain specific details are set forth in order to provide a better understanding of the present utility model. The present utility model will be fully understood by those skilled in the art without the details described herein.

The reaction kettle with the integral jacket as shown in fig. 1 comprises a reaction kettle body 1, wherein the upper end of the reaction kettle body 1 is provided with an observation port for observing the reaction condition of materials and a feed port for placing the materials, and the lower end of the reaction kettle body 1 is provided with a discharge port 9 for discharging the materials after the reaction is completed.

The inside of reation kettle body 1 is provided with agitating unit 2, and agitating unit 2 includes (mixing) shaft 29 to and be used for driving (mixing) shaft 29 pivoted driving motor 30, driving motor 30 sets up in the outer top of reation kettle body 1, and the first opening that supplies (mixing) shaft 29 to pass is seted up at the top of reation kettle body 1, and the one end tip that (mixing) shaft 29 is located reation kettle body 1 is provided with stirring thick liquid 31. Under the drive of the driving motor 30, the stirring shaft 29 drives the stirring paddle 31 to rotate, and materials in the reaction kettle body 1 are stirred to be mixed.

As shown in fig. 1 and 2, a jacket 3 is arranged outside the reaction kettle body 1, and the upper end and the lower end of the jacket 3 are respectively welded with the reaction kettle body 1 so as to ensure the connection strength between the jacket 3 and the reaction kettle body 1. The jacket 3 in the embodiment is sleeved at the outer bottom of the reaction kettle body 1, and a through hole 10 corresponding to the discharge hole 9 is formed at the bottom of the jacket 3 so as to facilitate the discharge of the reacted materials; as other schemes, the jacket 3can also be sleeved on the outer side part of the reaction kettle body 1, or the jacket 3 is sleeved on the outer bottom part and the outer side part of the reaction kettle body 1.

The jacket 3 is of a hollow structure, a cavity 4 is formed between the inside of the jacket 3 and the outer surface of the reaction kettle body 1, a guide plate 5 is spirally arranged in the cavity 4, one side of the guide plate 5 is welded with the jacket 3, the other side of the guide plate 5 is welded with the reaction kettle body 1, and as another scheme, the guide plate 5 and the reaction kettle body 1 can be also of an integrated structure so as to strengthen the structural strength between the guide plate 5 and the reaction kettle body 1. In this embodiment, the contact area between the jacket 3 and the reaction kettle body 1 is enlarged by using the deflector 5, and the welding range of the jacket 3 and the reaction kettle body 1 is increased, compared with the reaction kettle jacket in the prior art, the temperature control effect of the jacket 3 on the reaction kettle body 1 is ensured, and meanwhile, the problem that the temperature difference stress between the jacket 3 and the reaction kettle body 1, which is caused by long-term alternate flow of water or oil media, influences the stability of connection between the jacket 3 and the reaction kettle body 1, seriously causes the cracking or even the falling of the jacket 3, and causes the leakage of the water or oil media can be effectively avoided.

As shown in fig. 2 and 3, the cavity 4 is divided into a spiral flow channel 6 by the guide plate 5, the upper end of the jacket 3 is provided with an input port 7 communicated with the flow channel 6, water or oil medium flows into the cavity 4 from the input port 7 and flows from top to bottom along the spiral flow channel 6, so that the time for contacting the heating and cooling medium with the outer surface of the reaction kettle body 1 is prolonged, and the water or oil medium and the reaction kettle body 1 are ensured to perform sufficient heat exchange to finish heating or cooling of the reaction kettle body 1; the lower end of the jacket 3 is provided with an output port 8 communicated with the flow channel 6 for discharging the heat exchanged water or oil and other mediums.

A conveying pipeline is arranged between the input port 7 and the output port 8 of the jacket 3, and comprises a first conveying pipeline 11 communicated with the input port 7 and a second conveying pipeline 12 communicated with the output port 8, and a third conveying pipeline 13 is communicated between the first conveying pipeline 11 and the second conveying pipeline 12. By arranging the first conveying pipeline 11, the second conveying pipeline 12 and the third conveying pipeline 13, the circulation alternation of water or oil medium between the input port 7 and the output port 8, namely the circulation flow in the flow channel 6, is realized, so that the energy consumption is reduced, and the resource saving is facilitated.

As shown in fig. 2 and 3, the heated water or oil medium contacts with the outer surface of the reaction kettle body 1, and after circulating in the flow channel 6 for several circles, the temperature is reduced, and the temperature required by the reaction of the materials in the reaction kettle cannot be satisfied, so that the water or oil medium needs to be continuously heated. Therefore, the present embodiment is provided with a temperature control device on the conveying pipe, the temperature control device includes the heater 14 and the first temperature sensor 15 provided on the third conveying pipe 13, and the heater 14 is located at one end of the third conveying pipe 13 toward the first conveying pipe 11.

The water or oil medium flowing through the third conveying pipeline 13 can be heated by the heater 14 to reach the temperature required by the reaction of the materials in the reaction kettle, and then the water or oil medium flows into the runner 6 again through the first conveying pipeline 11 to continuously heat the reaction kettle body 1. The first temperature sensor 15 may be used to detect the temperature of the medium such as water or oil in the third conveying pipe 13 in real time, and transmit a signal to the heater 14 according to the set temperature requirement, so as to control the heating temperature of the heater 14.

As shown in fig. 2 and 4, after the reaction of the reaction kettle is finished, the reaction kettle needs to be cooled rapidly, so in this embodiment, a fourth conveying pipeline 16 is further communicated between the first conveying pipeline 11 and the second conveying pipeline 12, the temperature control device further includes a cooler 17 and a second temperature sensor 18 disposed on the fourth conveying pipeline 16, and the cooler 17 is located at one end of the fourth conveying pipeline 16 facing the first conveying pipeline 11.

The water or oil medium which flows into the fourth conveying pipeline 16 through the second conveying pipeline 12 can be cooled by discharging the water or oil medium from the output port 8 through the cooler 17, so that the water or oil medium reaches the temperature required by the reaction of materials in the reaction kettle, and then flows into the flow channel 6 again through the first conveying pipeline 11, so that the reaction kettle body 1 is continuously cooled. The second temperature sensor 18 can be used for detecting the temperature of the medium such as water or oil in the fourth conveying pipeline 16 in real time, transmitting a signal to the cooler 17 according to the set temperature requirement, and controlling the cooling temperature of the cooler 17.

As shown in fig. 2 to 4, in order to distinguish the heating pipe route and the cooling pipe route of the medium such as water or oil, the end of the third conveying pipe 13 facing the first conveying pipe 11 is provided with a first valve 19, and the end of the third conveying pipe 13 facing the second conveying pipe 12 is provided with a second valve 20; the end of the fourth transfer duct 16 facing the first transfer duct 11 is provided with a third valve 21 and the end of the fourth transfer duct 16 facing the second transfer duct 12 is provided with a fourth valve 22.

When the reaction kettle is heated, the first valve 19 and the second valve 20 are opened, the third valve 21 and the fourth valve 22 are closed, so that the third conveying pipeline 13 is respectively communicated with the first conveying pipeline 11 and the second conveying pipeline 12, and water or oil medium can only circularly flow in the route of the heating pipeline; when the reaction kettle is cooled, the first valve 19 and the second valve 20 are closed, the third valve 21 and the fourth valve 22 are opened, so that the fourth conveying pipeline 16 is respectively communicated with the first conveying pipeline 11 and the second conveying pipeline 12, and water or oil medium can only circularly flow in the route of the cooling pipeline.

As shown in fig. 2 to 4, in the process of cyclic heating and cooling, the amount of the medium such as water or oil is gradually reduced and impurities are likely to occur, so in this embodiment, the second conveying pipe 12 is further connected with the storage tank 23 and the filter 24, the storage tank 23 is located between the output port 8 and the filter 24, the first conveying pipe 11 is provided with a flow meter, a fifth conveying pipe 27 is provided between the storage tank 23 and the second conveying pipe 12, the fifth conveying pipe 27 is provided with a sixth valve 28, and the sixth valve 28 is connected with the flow meter. When the flow meter detects that the flow rate and the flow rate of the water or oil medium in the first conveying pipeline 11 are reduced, the sixth valve 28 can be opened, so that the water or oil medium in the storage tank 23 flows into the second conveying pipeline 12 through the fifth conveying pipeline 27, and the circulation of the water or oil medium in each corresponding conveying pipeline and the flow channel 6 is ensured.

The filter 24 can be used for filtering impurities in the water or oil medium flowing out of the outlet 8, an output pipeline 25 is communicated with the filter 24, a fifth valve 26 is arranged on the output pipeline 25, and the filtered water or oil medium in each conveying pipeline and the flow channel 6 can be discharged through the output pipeline 25.

The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the embodiments described above, and it will be apparent to those skilled in the art that various modifications and improvements can be made therein without departing from the scope of the utility model.

Claims (9)

1. Be provided with reation kettle of whole clamp cover, including reation kettle body (1), the inside of reation kettle body (1) is provided with agitating unit (2), its characterized in that, the outside of reation kettle body (1) is provided with clamp cover (3), clamp cover (3) set up to hollow structure, its inside with be formed with cavity (4) between the surface of reation kettle body (1), cavity (4) internal screw is provided with guide plate (5), guide plate (5) one side with clamp cover (3) are connected, guide plate (5) opposite side with reation kettle body (1) are connected, pass through guide plate (5) are cut apart into spiral runner (6) with cavity (4), clamp cover the upper end of (3) seted up with runner (6) are linked together input port (7), clamp cover the lower extreme of (3) seted up output port (8) that are linked together with runner (6), be provided with pipeline between output port (8), pipeline is provided with temperature control device on the pipeline.

2. The reaction kettle with the integral jacket according to claim 1, wherein an observation port and a feeding port are respectively formed in the upper end of the reaction kettle body (1), a discharging port (9) is formed in the lower end of the reaction kettle body (1), and a through hole (10) corresponding to the discharging port (9) is formed in the bottom of the jacket (3).

3. The reaction kettle with the integral jacket according to claim 2, wherein two side edges of the guide plate (5) are respectively welded with the reaction kettle body (1) and the jacket (3), and the upper end and the lower end of the jacket (3) are respectively welded with the reaction kettle body (1).

4. A reaction kettle provided with an integral jacket according to any one of claims 1 to 3, characterized in that the conveying pipeline comprises a first conveying pipeline (11) communicated with the input port (7), and a second conveying pipeline (12) communicated with the output port (8), a third conveying pipeline (13) is communicated between the first conveying pipeline (11) and the second conveying pipeline (12), and the temperature control device comprises a heater (14) and a first temperature sensor (15) which are arranged on the third conveying pipeline (13).

5. The reaction kettle with the integral jacket according to claim 4, wherein a fourth conveying pipeline (16) is further communicated between the first conveying pipeline (11) and the second conveying pipeline (12), and the temperature control device further comprises a cooler (17) and a second temperature sensor (18) which are arranged on the fourth conveying pipeline (16).

6. The reaction kettle with the integral jacket according to claim 5, wherein a first valve (19) is arranged at one end of the third conveying pipeline (13) facing the first conveying pipeline (11), a second valve (20) is arranged at one end of the third conveying pipeline (13) facing the second conveying pipeline (12), a third valve (21) is arranged at one end of the fourth conveying pipeline (16) facing the first conveying pipeline (11), and a fourth valve (22) is arranged at one end of the fourth conveying pipeline (16) facing the second conveying pipeline (12).

7. The reaction kettle with the integral jacket according to claim 6, wherein a storage tank (23) and a filter (24) are further communicated with the second conveying pipeline (12), the storage tank (23) is located between the output port (8) and the filter (24), an output pipeline (25) is communicated with the filter (24), and a fifth valve (26) is arranged on the output pipeline (25).

8. The reaction kettle with the integral jacket according to claim 7, wherein a flowmeter is arranged on the first conveying pipeline (11), a fifth conveying pipeline (27) is arranged between the storage box (23) and the second conveying pipeline (12), a sixth valve (28) is arranged on the fifth conveying pipeline (27), and the sixth valve (28) is connected with the flowmeter.

9. The reaction kettle with the integral jacket according to claim 1, wherein the stirring device (2) comprises a stirring shaft (29) and a driving motor (30) for driving the stirring shaft (29) to rotate, the driving motor (30) is arranged at the outer top of the reaction kettle body (1), a first opening for the stirring shaft (29) to pass through is formed in the top of the reaction kettle body (1), and stirring slurry (31) is arranged at one end part of the stirring shaft (29) in the reaction kettle body (1).