CN219252619U - Pipeline reactor - Google Patents

Abstract

The utility model discloses a pipeline reactor, which comprises a kettle body, a steam pipe, an agitating device, a feed pipe, a discharge pipe and at least one reaction pipe, wherein the steam pipe is arranged on the kettle body; wherein, an inner cavity is arranged in the kettle body, and liquid is filled in the inner cavity; the steam pipe is positioned in the inner cavity and is used for introducing steam and injecting the steam into the inner cavity to heat liquid in the inner cavity; at least a portion of the agitating means extends into the lumen and is adapted to agitate the liquid in the lumen to cause the liquid to flow in the lumen; the reaction tube is mounted in the inner cavity and is at least partially immersed in the liquid in the inner cavity; the feed pipe is connected with one end of the reaction pipe and is used for injecting materials into the reaction pipe; the discharging pipe is connected with the other end part of the reaction pipe and is used for discharging materials in the reaction pipe. The utility model can uniformly heat the materials in the reaction tube and improve the uniformity of heating the materials.

Description

Pipeline reactor

Technical Field

The present utility model relates to a pipeline reactor.

Background

Currently, a pipe reactor is a device for injecting materials into a reaction pipe to allow the materials to react in the reaction pipe. Chinese patent publication No. CN108745264a discloses a tubular continuous esterification reactor, which includes an S-type reactor (corresponding to a reaction tube), a reaction chamber, a partition plate, a material inlet tube, a material outlet tube, a steam inlet, a steam outlet, and the like. The material enters the S-shaped reactor from the material inlet pipe, the reacted material is discharged from the material outlet pipe, the steam is injected into the reaction cavity from the steam inlet, the S-shaped reactor is heated along the U-shaped space formed by the partition plate, and finally the steam is condensed into liquid water and discharged from the steam outlet. However, the steam is higher near the steam inlet and lower near the steam outlet, which results in uneven heating of the materials in the S-type reactor, thereby affecting the reaction effect.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provide a pipeline reactor which can uniformly heat materials in a reaction tube and improve the uniformity of heating the materials.

In order to solve the technical problems, the technical scheme of the utility model is as follows: a pipeline reactor comprising:

the kettle body is internally provided with an inner cavity, and liquid is filled in the inner cavity;

a vapor tube partially located in the lumen for accessing and injecting vapor into the lumen to heat the liquid in the lumen;

an agitating device having at least a portion extending into the lumen and for agitating the liquid in the lumen to cause the liquid to flow in the lumen;

at least one reaction tube mounted in the inner cavity and at least partially submerged in the liquid in the inner cavity;

a feed pipe connected to one end of the reaction pipe and used for injecting a material into the reaction pipe;

and the discharging pipe is connected with the other end part of the reaction pipe and is used for discharging materials in the reaction pipe.

The reaction tube is spirally coiled, and at least two reaction tubes are sequentially arranged from inside to outside.

Further, the feed pipe is connected with the lower end part of the reaction pipe, and the discharge pipe is connected with the upper end part of the reaction pipe.

Further, the lower end part of the kettle body is provided with a liquid inlet communicated with the inner cavity, and the upper end part of the kettle body is provided with an overflow port communicated with the inner cavity.

And in order to discharge the gas in the inner cavity, the top of the kettle body is provided with a vent communicated with the inner cavity.

Further for installing the temperature sensor, the kettle body is also provided with a temperature control port which is communicated with the inner cavity and used for installing the temperature sensor.

There is further provided a specific structure of the stirring device, the stirring device comprising:

the support is connected to the kettle body;

the motor is connected to the support;

one end of the rotating shaft is connected with the motor, and the other end of the rotating shaft extends into the inner cavity;

at least one stirring paddle, the stirring paddle is connected on the rotation axis.

Further to improve the stability of the rotating shaft, the stirring device further comprises a rotating seat, wherein the rotating seat is connected to the kettle body and is positioned in the inner cavity;

the upper end part of the rotating shaft is connected with the motor;

the lower end part of the rotating shaft is rotatably connected to the rotating seat.

The steam pipe comprises an air inlet pipe and at least two annular pipes which are sequentially arranged from outside to inside;

one end part of the air inlet pipe is positioned outside the kettle body, and the other end of the air inlet pipe extends into the inner cavity and is connected with the annular pipe;

and a plurality of air outlet holes are formed in the annular tube.

Further, the pipeline reactor also comprises a plurality of supporting legs which are connected with the kettle body and are used for supporting the kettle body.

After the technical scheme is adopted, high-temperature steam is introduced into the inner cavity through the steam pipe, the high-temperature steam can heat liquid in the inner cavity, and the reaction pipe is immersed in the liquid in the inner cavity, so that the liquid can uniformly heat materials in the reaction pipe, and the materials react in the reaction pipe to generate a required product. The stirring device stirs the liquid in the inner cavity so as to enable the liquid to continuously flow, so that the temperature distribution in the liquid is more uniform, the materials in the reaction tube can be heated more uniformly, the uniformity of heating the materials is improved, and the smooth reaction is facilitated.

Drawings

FIG. 1 is a schematic structural view of a pipe reactor according to the present utility model;

FIG. 2 is a cross-sectional view of a pipe reactor of the present utility model;

fig. 3 is a schematic structural view of the steam pipe of the present utility model.

Detailed Description

In order that the utility model may be more readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments that are illustrated in the appended drawings.

As shown in fig. 1 to 3, a pipe reactor, comprising:

the kettle comprises a kettle body 1, wherein an inner cavity 2 is arranged in the kettle body 1, and liquid is filled in the inner cavity 2;

a steam pipe 3, the steam pipe 3 is partially positioned in the inner cavity 2, the steam pipe 3 is used for introducing steam and injecting the steam into the inner cavity 2 to heat liquid in the inner cavity 2;

stirring means, at least a part of which extends into the inner cavity 2 and is used for stirring the liquid in the inner cavity 2 so as to enable the liquid to flow in the inner cavity 2, and further enable the temperature distribution in the liquid to be uniform;

at least one reaction tube 4, said reaction tube 4 being mounted in said inner cavity 2 and being at least partially immersed in the liquid in said inner cavity 2;

a feed pipe 5 connected to one end of the reaction tube 4 and used for injecting materials into the reaction tube 4;

a discharge pipe 6, wherein the discharge pipe 6 is connected with the other end part of the reaction pipe 4 and is used for discharging materials in the reaction pipe 4; specifically, high-temperature steam is introduced into the inner cavity 2 through the steam pipe 3, the high-temperature steam can heat the liquid in the inner cavity 2, and the reaction pipe 4 is immersed in the liquid in the inner cavity 2, so that the liquid can uniformly heat the materials in the reaction pipe 4, and the materials react in the reaction pipe 4 to generate a required product. The stirring device stirs the liquid in the inner cavity 2 so as to enable the liquid to continuously flow, so that the temperature distribution in the liquid is more uniform, the materials in the reaction tube 4 can be heated more uniformly, the uniformity of heating the materials is improved, and the smooth reaction is facilitated.

In this embodiment, the cyclopropylamide solution, the sodium hypochlorite solution and the sodium hydroxide solution enter the reaction tube 4 from the feed tube 5 to perform huffman degradation reaction, and the reacted solution is discharged from the discharge tube 6 and is continuously rectified to finally obtain the cyclopropylamine product.

As shown in fig. 2, the reaction tube 4 is spirally coiled, and at least two reaction tubes 4 can be sequentially arranged from inside to outside; in this embodiment, 3 reaction tubes 4 are arranged from inside to outside, and the steam tube 3 is located at the bottom of the inner cavity 2.

As shown in fig. 1 and 2, the feeding pipe 5 is connected to the lower end of the reaction pipe 4, the discharging pipe 6 is connected to the upper end of the reaction pipe 4, and 3 reaction pipes 4 are connected in parallel between the feeding pipe 5 and the discharging pipe 6.

As shown in fig. 1 and 2, a liquid inlet 7 communicated with the inner cavity 2 is arranged at the lower end part of the kettle body 1, an overflow port 8 communicated with the inner cavity 2 is arranged at the upper end part of the kettle body 1, the liquid inlet 7 is used for injecting liquid into the inner cavity 2, and the overflow port 8 is used for overflowing the liquid in the inner cavity 2; in this embodiment, the liquid may be water, and the high-temperature steam is injected into the inner cavity 2 through the steam pipe 3 to raise the temperature of the water in the inner cavity 2, and the cold water is injected into the inner cavity 2 through the liquid inlet 7 to lower the temperature of the water in the inner cavity 2, so as to achieve the purpose of controlling the temperature.

As shown in fig. 1 and 2, the top of the kettle body 1 may be provided with a vent 9 communicated with the inner cavity 2, and the vent 9 is used for exhausting gas in the inner cavity 2.

As shown in fig. 1 and 2, the kettle body 1 is further provided with a temperature control port 10 which is communicated with the inner cavity 2 and is used for installing a temperature sensor, and the temperature control port 10 is arranged at the lower end part of the kettle body 1.

As shown in fig. 1 and 2, the agitation apparatus is, for example and without limitation, of the following structure, which includes:

the support 11 is connected to the kettle body 1;

a motor 12, said motor 12 being connected to said support 11;

a rotating shaft 13, wherein one end part of the rotating shaft 13 is connected with the motor 12, and the other end part of the rotating shaft 13 extends into the inner cavity 2;

at least one stirring paddle 14, the stirring paddle 14 being connected to the rotation shaft 13; specifically, the motor 12 drives the rotation shaft 13 to rotate, so as to drive the stirring paddle 14 to rotate, and then stir the liquid in the inner cavity 2, so that the liquid continuously flows in the inner cavity 2, and the temperature distribution in the liquid is more uniform. In this embodiment, two stirring paddles 14 are provided.

As shown in fig. 2, the stirring device may further include a rotating base 15, where the rotating base 15 is connected to the kettle body 1 and is located in the inner cavity 2;

the upper end of the rotating shaft 13 is connected with the motor 12;

the lower end of the rotating shaft 13 is rotatably connected to the rotating base 15, thereby improving the stability of the rotating shaft 13.

As shown in fig. 2 and 3, the steam pipe 3 may include an air inlet pipe 16 and at least two annular pipes 17 sequentially arranged from outside to inside;

one end part of the air inlet pipe 16 is positioned outside the kettle body 1, and the other end of the air inlet pipe 16 extends into the inner cavity 2 and is connected with the annular pipe 17;

the annular pipe 17 is provided with a plurality of air outlet holes 18; specifically, the high-temperature steam enters the annular pipe 17 from the inlet pipe and then flows into the inner cavity 2 through the air outlet hole 18 so as to heat the liquid in the inner cavity 2; in this embodiment, 3 of the annular pipes 17 are concentrically arranged.

As shown in fig. 1 and 2, the pipe reactor may further include a plurality of support legs 19 connected to the tank 1 for supporting the tank 1.

In summary, the high-temperature steam is introduced into the inner cavity 2 through the steam pipe 3, the high-temperature steam can heat the liquid in the inner cavity 2, and the reaction pipe 4 is immersed in the liquid in the inner cavity 2, so that the liquid can uniformly heat the material in the reaction pipe 4, so that the material reacts in the reaction pipe 4 to generate a required product. The stirring device stirs the liquid in the inner cavity 2 so as to enable the liquid to continuously flow, so that the temperature distribution in the liquid is more uniform, the materials in the reaction tube 4 can be heated more uniformly, the uniformity of heating the materials is improved, and the smooth reaction is facilitated.

The technical problems, technical solutions and advantageous effects solved by the present utility model have been further described in detail in the above-described embodiments, and it should be understood that the above-described embodiments are only illustrative of the present utility model and are not intended to limit the present utility model, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present utility model should be included in the scope of protection of the present utility model.

Claims (10)

1. A pipeline reactor, comprising:

the kettle comprises a kettle body (1), wherein an inner cavity (2) is arranged in the kettle body (1), and liquid is filled in the inner cavity (2);

a steam pipe (3), the steam pipe (3) being located partly in the inner cavity (2), the steam pipe (3) being for accessing steam and injecting steam into the inner cavity (2) to heat the liquid in the inner cavity (2);

stirring means, at least a portion of which protrudes into the inner chamber (2) and is used to stir the liquid in the inner chamber (2) so as to flow the liquid in the inner chamber (2);

-at least one reaction tube (4), said reaction tube (4) being mounted in said inner cavity (2) and being at least partially immersed in the liquid in said inner cavity (2);

a feed pipe (5), wherein the feed pipe (5) is connected with one end part of the reaction pipe (4) and is used for injecting materials into the reaction pipe (4);

and the discharging pipe (6) is connected with the other end part of the reaction pipe (4) and is used for discharging materials in the reaction pipe (4).

2. A pipeline reactor according to claim 1, characterized in that the reaction tubes (4) are spirally wound, the reaction tubes (4) being provided with at least two in sequence from inside to outside.

3. A pipe reactor according to claim 2, characterized in that the feed pipe (5) is connected to the lower end of the reaction pipe (4) and the discharge pipe (6) is connected to the upper end of the reaction pipe (4).

4. A pipeline reactor according to claim 1, characterized in that the lower end of the kettle body (1) is provided with a liquid inlet (7) communicated with the inner cavity (2), and the upper end of the kettle body (1) is provided with an overflow port (8) communicated with the inner cavity (2).

5. A pipeline reactor according to claim 1, characterized in that the top of the tank (1) is provided with a vent (9) communicating with the inner cavity (2).

6. A pipe reactor according to claim 1, characterized in that the kettle body (1) is further provided with a temperature control port (10) which is communicated with the inner cavity (2) and is used for installing a temperature sensor.

7. A pipe reactor according to claim 1, wherein the agitation means comprises:

the support (11) is connected to the kettle body (1);

a motor (12), the motor (12) being connected to the support (11);

a rotating shaft (13), wherein one end part of the rotating shaft (13) is connected with the motor (12), and the other end part of the rotating shaft (13) stretches into the inner cavity (2);

at least one stirring paddle (14), the stirring paddle (14) being connected to the rotation shaft (13).

8. A pipe reactor according to claim 7, characterized in that the stirring device further comprises a rotating seat (15), the rotating seat (15) being connected to the tank (1) and being located in the inner cavity (2);

the upper end part of the rotating shaft (13) is connected with the motor (12);

the lower end part of the rotating shaft (13) is rotatably connected to the rotating seat (15).

9. A pipe reactor according to claim 1, characterized in that the steam pipe (3) comprises an inlet pipe (16) and at least two annular pipes (17) arranged in sequence from the outside inwards;

one end part of the air inlet pipe (16) is positioned outside the kettle body (1), and the other end of the air inlet pipe (16) extends into the inner cavity (2) and is connected with the annular pipe (17);

the annular tube (17) is provided with a plurality of air outlet holes (18).

10. A pipe reactor according to claim 1, further comprising a plurality of support legs (19) connected to the tank (1) for supporting the tank (1).

Images