CN216538444U

CN216538444U - Reactor

Info

Publication number: CN216538444U
Application number: CN202122837680.0U
Authority: CN
Inventors: 陈恩之; 谢毅; 徐淑媛; 赵风轩; 于彬; 徐令; 刘天宇; 董成苓
Original assignee: Chongqing Huafeng New Material Research Institute Co ltd; CHONGQING HUAFON CHEMICAL CO LTD
Current assignee: Chongqing Huafeng New Material Research Institute Co ltd; CHONGQING HUAFON CHEMICAL CO LTD
Priority date: 2021-11-18
Filing date: 2021-11-18
Publication date: 2022-05-17
Anticipated expiration: 2031-11-18

Abstract

The utility model provides a reactor, which comprises a housin, and the agitating unit of setting in the casing, heat transfer device includes two heat transfer coil pipes, and two heat exchangers, two heat transfer coil pipes are along the material space evenly distributed of production facility, and encircle around agitating unit, the medium export of first heat transfer coil pipe is continuous through first pipeline, first heat exchanger, the second pipeline is with the medium import of second heat transfer coil pipe, the medium export of second heat transfer coil pipe is continuous through the third pipeline, second heat exchanger, the medium import of fourth pipeline with first heat exchanger, constitute the circulation pipeline, set up the circulating pump on first pipeline and/or second pipeline and/or third pipeline and/or the fourth pipeline, the combination constitutes the reactor. The utility model has simple structure and low processing cost, and can ensure uniform heat exchange to materials and product quality.

Description

Reactor

Technical Field

The utility model relates to the field of chemical industry, in particular to a reactor.

Background

In the production process of chemical enterprises, production equipment, such as reactors and other equipment, needs to be heated or cooled so as to meet the requirements of material reaction.

At present, chemical enterprises heat or cool the reactor, usually by using a heat exchange coil which is arranged in the inner space of the reactor and is in direct contact with the material, or by using a heat exchange interlayer arranged on the surface wall of the production device, and the temperature of the material is lowered or raised by flowing through the heat exchange coil or the heat exchange interlayer by a refrigerant or a heating medium.

However, in the two heat exchange modes, as the medium flows in the heat exchange coil or the heat exchange interlayer, the temperature of the medium gradually rises or falls, so that the temperature reduction or rise effect of the medium on the material in the reactor at the rear section of the heat exchange coil or the rear section of the heat exchange interlayer is not obvious, the temperature of the material in the reactor is unbalanced, the production requirement of fine chemistry industry is difficult to meet, and the quality of the product obtained by production is poor.

Therefore, how to design a reactor with simple structure and uniform heat exchange is a problem to be solved urgently by those skilled in the art.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provides a reactor which is simple in structure and low in processing cost, and can ensure uniform heat exchange of materials in the reactor and ensure the product quality.

The technical scheme of the utility model is as follows: the utility model provides a reactor, includes the casing to and agitating unit, heat transfer device of setting in the casing, heat transfer device includes two heat transfer coil pipes, and two heat exchangers, two heat transfer coil pipes are along the direction of height evenly distributed of casing inner space, and encircle around agitating unit, the medium export of first heat transfer coil pipe links to each other with the medium import of second heat transfer coil pipe through first pipeline, first heat exchanger, second pipeline, the medium export of second heat transfer coil pipe links to each other with the medium import of first heat transfer coil pipe through third pipeline, second heat exchanger, fourth pipeline, constitute circulation pipeline, set up the circulating pump on first pipeline and/or second pipeline and/or third pipeline and/or the fourth pipeline, the combination constitutes the reactor.

The device further comprises a fifth pipeline, wherein the upstream end of the fifth pipeline is connected with the first pipeline, the downstream end of the fifth pipeline is connected with the second pipeline, and the fifth pipeline is provided with a first valve.

The device further comprises a sixth pipeline, the upstream end of the sixth pipeline is connected with the third pipeline, the downstream end of the sixth pipeline is connected with the fourth pipeline, and a second valve is arranged on the sixth pipeline.

Furthermore, a medium injection port is arranged on the first pipeline and/or the second pipeline and/or the third pipeline and/or the fourth pipeline, and the opening and the closing of the medium injection port are controlled by a third valve.

Preferably, the medium injection port is provided at the highest point of the circulation line.

Furthermore, a medium drain port is arranged on the first pipeline and/or the second pipeline and/or the third pipeline and/or the fourth pipeline, and the opening and the closing are controlled through a fourth valve.

Preferably, the medium drain port is provided at the lowest point of the circulation line.

The two heat exchange coil pipes are formed by connecting two heat exchange pipes in parallel and spirally coiling.

Adopt above-mentioned technical scheme to have following beneficial effect:

1. the reactor comprises a shell, and a stirring device and a heat exchange device which are arranged in the shell, wherein the inner space of the shell is used as a reaction space of the material, the stirring device is used for uniformly mixing the material, and the heat exchange device is used for heating or cooling the material. The heat exchange device comprises two heat exchange coils and two heat exchangers, the two heat exchange coils are uniformly distributed along the height direction of the inner space of the shell and surround the stirring device, so that the heat exchange range of the heat exchange coils covers the corresponding material space, and the interference with the stirring device is avoided. The medium outlet of the first heat exchange coil is connected with the medium inlet of the second heat exchange coil through the first pipeline, the first heat exchanger and the second pipeline, the medium outlet of the second heat exchange coil is connected with the medium inlet of the first heat exchange coil through the third pipeline, the second heat exchanger and the fourth pipeline to form a circulating pipeline, namely, the heat exchange medium circularly flows in the closed circulating pipeline, the heat exchange medium firstly carries out heat exchange temperature rise/fall with the material in the space covered by the first heat exchange coil in the first heat exchange coil, then enters the first heat exchanger for carrying out heat exchange temperature fall/rise again, recovers the heat exchange capability, enters the second heat exchange coil, carries out heat exchange temperature rise/fall with the material in the space covered by the second heat exchange coil, and then recovers the heat exchange capability after carrying out heat exchange temperature fall/rise again by the second heat exchanger, get into first heat exchange coil inner loop and carry out the heat exchange, can effectively guarantee that the heat transfer capacity of the heat transfer medium in first heat exchange coil, the second heat exchange coil is the same, and then guarantee to the intensification/cooling ability of the material in the space that two heat exchange coils cover respectively the same for material intensification/cooling in the casing is even, and then guarantees product quality. The first pipeline and/or the second pipeline and/or the third pipeline and/or the fourth pipeline are/is provided with the circulating pump, the heat exchange medium is driven to flow in the circulating pipeline, the material in the shell is subjected to uniform heat exchange, the flow rate of the heat exchange medium can be controlled, the heat exchange speed of the material in the shell is further increased, and the actual requirements of enterprises are met.

2. The heat exchanger comprises a first pipeline, a second pipeline and a third pipeline, wherein the upstream end of the first pipeline is connected with the first pipeline, the downstream end of the second pipeline is connected with the second pipeline, a first valve is arranged on the first pipeline, the sixth pipeline is arranged, the upstream end of the third pipeline is connected with the third pipeline, the downstream end of the sixth pipeline is connected with the fourth pipeline, a second valve is arranged on the sixth pipeline, and when the first heat exchanger or the second heat exchanger breaks down or does not need to carry out fine heat exchange on production equipment, the first valve or the second valve can be opened by the aid of opening of the first valve or the second valve, so that a heat exchange medium bypasses the first heat exchanger or the second heat exchanger, and actual requirements of enterprises are met.

3. The medium injection port is arranged on the first pipeline and/or the second pipeline and/or the third pipeline and/or the fourth pipeline and is controlled to be opened and closed through the third valve, the medium injection port is arranged at the highest point of the circulating pipeline, heat exchange medium can be supplemented or replaced to the circulating pipeline through the medium injection port, the whole circulating pipeline can be filled without extra power, and the actual requirements of enterprises are met.

4. The medium liquid discharge port is formed in the first pipeline and/or the second pipeline and/or the third pipeline and/or the fourth pipeline and is controlled to be opened and closed through the fourth valve, the medium liquid discharge port is formed in the lowest point of the circulating pipeline, heat exchange media in the circulating pipeline can be discharged through the medium liquid discharge port, the heat exchange media in the whole circulating pipeline can be discharged completely without extra power, and actual requirements of enterprises are met.

The following description and the detailed description are further described with reference to the accompanying drawings.

Drawings

FIG. 1 is a schematic diagram of the connection of the present invention.

In the attached drawing, 1 is a heat exchange coil, 2 is a heat exchanger, 3 is a circulating pump, 4 is a medium liquid injection port, 5 is a medium liquid discharge port, 6 is a shell, 7 is a stirring device, 8 is a heat exchange device, 11 is a first pipeline, 12 is a second pipeline, 13 is a third pipeline, 14 is a fourth pipeline, 15 is a fifth pipeline, 16 is a sixth pipeline, a is a first valve, b is a second valve, c is a third valve, and d is a fourth valve.

Detailed Description

In the utility model, the equipment or the component which is not marked with a specific structure or model is generally conventional equipment or component in the chemical field, and the equipment or the component which is not marked with a specific connection mode is generally a conventional connection mode in the chemical field or a connection mode suggested by a manufacturer.

Referring to fig. 1, a specific embodiment of a reactor is shown. The reactor includes casing 6 to and agitating unit 7, the heat transfer device 8 of setting in casing 6, in this embodiment, regard as the casing with the cauldron body, agitating unit assemble according to the conventional setting in chemical industry field. Heat transfer device 8 includes two heat exchange coil 1 to and two heat exchangers 2, two heat exchange coil 1 along the direction of height evenly distributed of casing inner space, and encircle around agitating unit, in this embodiment, two heat exchange coil obtain by two heat exchange tubes parallel and spiral coil shaping. A medium outlet of the first heat exchange coil is connected with a medium inlet of the second heat exchange coil through a first pipeline 11, a first heat exchanger and a second pipeline 12, obviously, the first heat exchanger is arranged outside the shell, usually, in order to meet actual requirements of enterprises, a fifth pipeline 15 is further arranged, an upstream end of the fifth pipeline 15 is connected with the first pipeline 11, a downstream end of the fifth pipeline 15 is connected with the second pipeline 12, a first valve a is arranged on the fifth pipeline 15, and is in a closed state at ordinary times, so that heat exchange medium needs to exchange heat through the first heat exchanger, and when the first heat exchanger fails and needs to be overhauled or does not need to use the first heat exchanger for heat exchange, the first valve a is opened, so that the heat exchange medium bypasses the first heat exchanger for circulation. A medium outlet of the second heat exchange coil is connected with a medium inlet of the second heat exchange coil through a third pipeline 13, a second heat exchanger and a fourth pipeline 14 to form a circulating pipeline, obviously, the second heat exchanger is also arranged outside the shell, usually, in order to meet the actual requirements of enterprises, a sixth pipeline 16 is further arranged, the upstream end of the sixth pipeline 16 is connected with the third pipeline 13, the downstream end of the sixth pipeline 16 is connected with the fourth pipeline 14, a second valve b is arranged on the sixth pipeline 16, the second valve b is normally in a closed state, so that heat exchange medium needs to exchange heat through the second heat exchanger, and when the second heat exchanger fails and needs to be overhauled or does not need to use the second heat exchanger for heat exchange, the second valve b is opened, so that the heat exchange medium circulates around the second heat exchanger. The first pipeline 11 and/or the second pipeline 12 and/or the third pipeline 13 and/or the fourth pipeline 14 are provided with the circulating pump 3, and the circulating pump 3 is arranged on the fourth pipeline in the embodiment.

Further, in order to meet the actual requirement, the first pipeline 11 and/or the second pipeline 12 and/or the third pipeline 13 and/or the fourth pipeline 14 are provided with a medium filling port 4, and the opening and closing of the medium filling port is controlled by a third valve c, and normally, the medium filling port 4 is arranged at the highest point of the circulating pipeline, and particularly in the embodiment, the medium filling port is arranged on the second pipeline.

Further, in order to meet the actual requirement, the medium drain port 5 is provided on the first pipeline 11 and/or the second pipeline 12 and/or the third pipeline 13 and/or the fourth pipeline 14, and is controlled to open and close by the fourth valve d, and normally, the medium drain port 5 is provided at the lowest point of the circulation pipeline, and specifically, in the present embodiment, the medium drain port is provided on the fourth pipeline.

According to actual requirements, a plurality of groups of heat exchange devices can be arranged in the shell.

The working principle of the utility model is that taking the material in the heating shell as an example, the material enters the shell and is stirred and uniformly mixed by the stirring device, the heat exchange medium circularly flows in the closed circulation pipeline, the heat exchange medium firstly carries out heat exchange with the material in the space covered by the first heat exchange coil in the first heat exchange coil to cool, then enters the first heat exchanger to carry out heat exchange again to heat and heat, then recovers the heat exchange capability, enters the second heat exchange coil to carry out heat exchange with the material in the space covered by the second heat exchange coil to cool, and then recovers the heat exchange capability after the second heat exchanger carries out heat exchange again to heat and circularly enters the first heat exchange coil to carry out heat exchange, thus effectively ensuring that the heat exchange capability of the heat exchange medium in the first heat exchange coil and the heat exchange coil is the same, and further ensuring that the temperature rising capability of the material in the spaces respectively covered by the two heat exchange coils is the same, so that the temperature of the materials in the shell is uniformly raised, and the product quality is ensured.

Claims

1. A reactor, characterized by: comprises a shell (6), a stirring device (7) and a heat exchange device (8) which are arranged in the shell (6),

the heat exchange device (8) comprises two heat exchange coil pipes (1) and two heat exchangers (2),

the two heat exchange coil pipes (1) are uniformly distributed along the height direction of the inner space of the shell and surround the stirring device,

the medium outlet of the first heat exchange coil is connected with the medium inlet of the second heat exchange coil through a first pipeline (11), a first heat exchanger and a second pipeline (12),

a medium outlet of the second heat exchange coil is connected with a medium inlet of the first heat exchange coil through a third pipeline (13), the second heat exchanger and a fourth pipeline (14) to form a circulating pipeline, and a circulating pump (3) is arranged on the first pipeline (11) and/or the second pipeline (12) and/or the third pipeline (13) and/or the fourth pipeline (14) to form a reactor in a combined mode.

2. The reactor of claim 1, wherein: the pipeline device is characterized by further comprising a fifth pipeline (15), wherein the upstream end of the fifth pipeline (15) is connected with the first pipeline (11), the downstream end of the fifth pipeline (15) is connected with the second pipeline (12), and a first valve (a) is arranged on the fifth pipeline (15).

3. The reactor of claim 1, wherein: the pipeline device is characterized by further comprising a sixth pipeline (16), wherein the upstream end of the sixth pipeline (16) is connected with the third pipeline (13), the downstream end of the sixth pipeline (16) is connected with the fourth pipeline (14), and a second valve (b) is arranged on the sixth pipeline (16).

4. The reactor of claim 1, wherein: the first pipeline (11) and/or the second pipeline (12) and/or the third pipeline (13) and/or the fourth pipeline (14) are/is provided with a medium injection port (4) and the opening and the closing are controlled by a third valve (c).

5. The reactor of claim 4, wherein: the medium injection port (4) is arranged at the highest point of the circulating pipeline.

6. The reactor of claim 1, wherein: and a medium drain port (5) is arranged on the first pipeline (11) and/or the second pipeline (12) and/or the third pipeline (13) and/or the fourth pipeline (14), and the opening and the closing are controlled by a fourth valve (d).

7. The reactor of claim 6, wherein: the medium liquid outlet (5) is arranged at the lowest point of the circulating pipeline.

8. The reactor of claim 1, wherein: the two heat exchange coil pipes are formed by connecting two heat exchange pipes in parallel and spirally coiling.