CN214863475U - Reaction kettle with built-in heat exchange device - Google Patents
Reaction kettle with built-in heat exchange device Download PDFInfo
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- CN214863475U CN214863475U CN202022835015.3U CN202022835015U CN214863475U CN 214863475 U CN214863475 U CN 214863475U CN 202022835015 U CN202022835015 U CN 202022835015U CN 214863475 U CN214863475 U CN 214863475U
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Abstract
The utility model discloses a built-in heat transfer device's reation kettle, include: the kettle body is a cylinder, and the cross sectional area of the upper part of the cylinder is larger than that of the lower part of the cylinder; a heat exchange device is arranged in the kettle body and comprises a top plate, a bottom plate and an inner wall plate arranged between the top plate and the bottom plate, and the top plate, the bottom plate and the inner wall of the kettle body form an annular closed space; the heat exchange device also comprises a set number of heat exchange tubes arranged in the closed space, and openings at two ends of each heat exchange tube are respectively arranged on the top plate and the bottom plate; and a first inlet and a first outlet of the heat exchange medium inlet/outlet heat exchange device are arranged on the kettle body. This reation kettle has increased reation kettle's heat transfer area through establishing heat transfer device in reation kettle, has improved reation kettle's heat exchange efficiency, reduces heat transfer medium's energy consumption.
Description
Technical Field
The utility model relates to the technical field of chemical machinery, especially, relate to a built-in heat transfer device's reation kettle
Background
The reaction kettle is a container with physical or chemical reaction, and realizes the heating, evaporation, cooling and low-speed mixing functions required by the process through the structural design and parameter configuration of the container. The reaction vessel is widely used in the fields of petroleum, chemical industry, rubber, pesticides, dyes, medicines, foods, etc., and is used as a pressure vessel for completing processes such as vulcanization, nitration, hydrogenation, alkylation, polymerization, condensation, etc., such as a reactor, a reaction vessel, a decomposition vessel, a polymerization vessel, etc. The material is carbon manganese steel, stainless steel, zirconium, nickel-based (Hastelloy, Monel, Inconel) alloy and other composite materials.
Chemical reactions are divided into endothermic and exothermic reactions, and temperature has a direct effect on the rate of chemical reaction. Therefore, the heat absorbed and generated by the chemical reaction is supplemented and removed from the reaction kettle, and the maintenance of the constant temperature of the materials in the reaction kettle is crucial to the control of the chemical reaction. The heat exchange structure of the existing reaction kettle has low heat exchange efficiency and is not easy to control the temperature of materials in the reaction kettle.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
An object of the utility model is to the not enough of above-mentioned prior art, provide one kind and can improve reation kettle's heat exchange efficiency, the built-in heat transfer device's of material temperature in the more accurate control reation kettle.
(II) technical scheme
In order to solve the problem, the utility model provides a built-in heat transfer device's reation kettle, include: the kettle body is a cylinder, and the cross sectional area of the upper part of the cylinder is larger than that of the lower part of the cylinder; a heat exchange device is arranged in the kettle body and comprises a top plate, a bottom plate and an inner wall plate arranged between the top plate and the bottom plate, and the top plate, the bottom plate and the inner wall of the kettle body form an annular closed space; the heat exchange device also comprises a set number of heat exchange tubes arranged in the closed space, and openings at two ends of each heat exchange tube are respectively arranged on the top plate and the bottom plate; and a first inlet and a first outlet of the heat exchange medium inlet/outlet heat exchange device are arranged on the kettle body.
Optionally, the heat exchange tube is a straight tube and is vertically arranged in the closed space.
Optionally, the heat exchange tubes are curved tubes arranged in a set manner within the enclosed space.
Optionally, the stirring device includes at least two stirring blades, and the stirring blades are arranged up and down and spaced from each other by a set distance.
Optionally, the stirring paddle is arranged in a space enclosed by the inner wall plate.
Optionally, the top of the kettle body is provided with a material inlet, and the bottom of the kettle body is provided with a material outlet.
Optionally, a heat tracing structure is arranged on the outer wall of the kettle body, and the heat tracing structure is an outer coil pipe, a half pipe or a jacket.
Optionally, the heat tracing structures are respectively arranged at the upper part and the lower part of the outer wall of the kettle body.
Optionally, different heat exchange media are used in the heat tracing structures arranged at the upper part and the lower part of the outer wall of the kettle body.
Optionally, a second inlet and a second outlet of the heat tracing structure for the heat exchange medium are arranged on the heat tracing structure.
(III) advantageous effects
The utility model provides a built-in heat transfer device's reation kettle through establishing heat transfer device in reation kettle, has increased reation kettle's heat transfer area, has improved reation kettle's heat exchange efficiency, reduces heat transfer medium's energy consumption. Through setting up a plurality of stirring paddle leaf for the material is abundant circulating flow in reation kettle, thereby makes material temperature evenly distributed among the reation kettle, can control material temperature among the reation kettle more accurately, helps the regulation and control of material chemical reaction among the reation kettle. The cross-sectional area of the upper part of the reaction kettle is increased, the evaporation area of the materials in the reaction kettle is increased, and the evaporation efficiency is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
FIG. 1 is a schematic view of the overall structure of a reaction kettle with a built-in heat exchange device in an embodiment of the present invention;
FIG. 2 is a sectional view of a heat exchanger of a reaction vessel with a built-in heat exchanger according to an embodiment of the present invention;
fig. 3 is a schematic view of an arrangement of heat exchange tubes in the heat exchange device in an embodiment of the present invention.
The reference numbers in the drawings are, in order:
1. the device comprises a kettle body, 11, a material inlet, 12, a material outlet, 2, a stirring device, 21, a stirring paddle, 3, a heat exchange device, 31, a top plate, 32, a bottom plate, 33, an inner wall plate, 34, a heat exchange tube, 35, a first inlet, 36, a first outlet, 4, a heat tracing structure, 41, a second inlet, 42 and a second outlet.
Detailed Description
The following describes the present invention in further detail with reference to the following embodiments and the accompanying drawings. The following examples of the present invention are provided to illustrate the present invention, but are not intended to limit the scope of the present invention.
As shown in fig. 1, an embodiment of the present invention provides a reaction kettle with a built-in heat exchange device, including: the kettle body 1 and the agitating unit 2 of setting in the kettle body 1. The cauldron body 1 is the barrel, and the cross-sectional area on barrel upper portion is greater than the cross-sectional area of barrel lower part, and the top of cauldron body 1 is provided with material inlet 11, and the bottom of cauldron body 1 is provided with material outlet 12. In this embodiment, the cauldron body 1 is cylindrical barrel, and the radius on the 1 upper portion of the cauldron body is greater than the radius of the 1 lower part of the cauldron body, has increased the evaporation area on the 1 upper portion of the cauldron body through this kind of setting, has improved evaporation efficiency. Agitating unit 2 includes two at least stirring paddle 21, and a plurality of stirring paddle 21 set up from top to bottom, the distance of interval settlement each other. In this embodiment, the stirring device 2 includes two stirring blades 21 disposed up and down. Can set up the structure of each stirring paddle 21 as required, the structure of each stirring paddle 21 can be the same, also can be different, the embodiment of the utility model provides a do not specifically limit to this.
As shown in fig. 1 and 2, a heat exchanging device 3 is provided in the autoclave body 1, and the heat exchanging device 3 includes a top plate 31, a bottom plate 32, and an inner wall plate 33 provided between the top plate 31 and the bottom plate 32. The top plate 31, the bottom plate 32 and the inner wall plate 33 form an annular closed space with the inner wall of the kettle body 1. In this embodiment, the heat exchanger 2 is located at the lower part of the kettle 1, the top plate 31 and the bottom plate 32 are circular, the inner wall plate 33 is cylindrical, the edges of the outer rings of the top plate 31 and the bottom plate 32 are welded to the inner wall of the kettle 1, and the edges of the inner rings of the top plate 31 and the bottom plate 32 are welded to the two ends of the inner wall plate 33, respectively, thereby forming a circular closed space. The heat exchanging device 3 further comprises a set number of heat exchanging pipes 34 arranged in the closed space, and openings at both ends of the heat exchanging pipes 34 are respectively arranged on the top plate 31 and the bottom plate 32. The heat exchange pipe 34 may be a straight pipe vertically disposed in the closed space of the heat exchange device 3. As shown in fig. 3, the heat exchange tubes 34 of the straight tubes may be arranged such that the line connecting the centers of the cross sections of three straight tubes adjacent to each other forms an equilateral triangle. The heat exchange tubes 34 may also be curved tubes, e.g., coils, arranged in a set manner within the enclosure of the heat exchange device 3, e.g., with the central axis of the coils in a vertical orientation or with the central axis of the coils in a horizontal orientation. The kettle body 1 is provided with a first inlet 35 and a first outlet 36 of the heat exchange medium inlet/outlet heat exchange device 3. The stirring blade 21 is disposed in a space surrounded by the inner wall plate 33. In this embodiment, two stirring blades 21 are disposed in the space enclosed by the cylindrical inner wall plate 33, so that the stirring blades 21 can stir the material during operation, and the material flows in the reaction kettle in a reciprocating manner.
As shown in figure 1, the outer wall of the kettle body 1 is provided with a heat tracing structure 4, and the heat tracing structure 4 can be an outer coil pipe, a half pipe or a jacket. The upper part and the lower part of the outer wall of the kettle body 1 can be respectively provided with a heat tracing structure 4. A second inlet 41 and a second outlet 42 for the heat exchange medium to/from the heat tracing structure 4 are provided on each heat tracing structure 4. In this embodiment, the top and the bottom of the outer wall of the autoclave body 1 are respectively provided with a heat tracing structure 4 in the form of a semi-pipe.
The heat exchange medium can be liquid such as water, heat transfer oil and the like; or a gas such as steam. The embodiment of the present invention is not limited to this embodiment. When the heat exchange medium is liquid, the inlet of the heat exchange medium is positioned at the lower part of the heat exchange device 3 or the heat tracing structure 4, and the outlet of the heat exchange medium is positioned at the upper part of the heat exchange device 3 or the heat tracing structure 4; when the heat exchange medium is gas, the relative positions of the inlet and the outlet of the heat exchange medium are opposite to the arrangement mode when the heat exchange medium is liquid. The heat tracing structures 4 respectively arranged at the top and the bottom of the outer wall of the kettle body 1 can use the same heat exchange medium and can also use different heat exchange media. The embodiment of the present invention is not limited to this embodiment.
When the reaction kettle with the built-in heat exchange device is used, materials enter the reaction kettle from the material inlet 11 at the bottom of the kettle body 1, and the height of the materials should exceed the heat exchange device 3 at the lower part in the kettle body 1. Meanwhile, heat conduction oil (as a heat exchange medium) is continuously input into the heat exchange device 3 from the first inlet 31 of the heat exchange device 3 and continuously flows out from the first outlet 32, so that heat conduction oil is filled between the heat exchange tubes 34 in the heat exchange device 3. And the heat conducting oil is continuously input into the heat tracing structure 4 from the second inlet 41 of the heat tracing structure 4 arranged at the top and the bottom of the kettle body 1 respectively, and continuously flows out from the second outlet 42; so that the heat tracing structures 4 arranged at the top and the bottom of the kettle body 1 are filled with heat conducting oil. The stirring device 2 is started, and the material flows under the action of the stirring blade 2. The material enters the heat exchange tube 34 from the open end of the heat exchange tube 34 on the bottom plate 32 of the heat exchange device 3, flows through the heat exchange tube 34 from bottom to top, and leaves the heat exchange tube 34 from the open end of the heat exchange tube 34 on the top plate 31. The materials are circulated in the heat exchange tube 34 repeatedly under the action of the stirring device 2. In the process, the heat conduction oil flowing between the heat exchange tubes 34 in the heat exchange device 3 can be used for continuously exchanging heat for the materials, and removing or supplementing the heat released or absorbed by the chemical reaction in the reaction kettle. Meanwhile, the heat tracing structures 4 arranged at the top and the bottom of the kettle body 1 of the reaction kettle also utilize the heat conduction oil continuously flowing in the heat tracing structures, and also play a role in removing or supplementing heat released or absorbed by chemical reaction in the reaction kettle.
The utility model provides a built-in heat transfer device's reation kettle through establishing heat transfer device in reation kettle, has increased reation kettle's heat transfer area, has improved reation kettle's heat exchange efficiency, reduces heat transfer medium's energy consumption. Through setting up a plurality of stirring paddle leaf for the material is abundant circulating flow in reation kettle, thereby makes material temperature evenly distributed among the reation kettle, can control material temperature among the reation kettle more accurately, helps the regulation and control of material chemical reaction among the reation kettle. The cross-sectional area of the upper part of the reaction kettle is increased, the evaporation area of the materials in the reaction kettle is increased, and the evaporation efficiency is improved.
In the present invention, the terms such as "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "side", "bottom", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, and are only the terms determined for convenience of describing the structural relationship of each component or element of the present invention, and are not specific to any component or element of the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. To those skilled in the art, the specific meaning of the above terms in the present invention can be understood in specific cases, and should not be construed as limiting the present invention.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The above embodiments are merely illustrative, and not restrictive, of the present invention. Although the present invention has been described in detail with reference to the embodiments, it should be understood by those skilled in the art that various combinations, modifications or equivalent substitutions may be made to the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention, and all of the technical solutions should be covered by the scope of the claims of the present invention.
Claims (10)
1. A reaction kettle with a built-in heat exchange device comprises: a kettle body and a stirring device arranged in the kettle body, which is characterized in that,
the kettle body is a cylinder, and the cross sectional area of the upper part of the cylinder is larger than that of the lower part of the cylinder;
a heat exchange device is arranged in the kettle body and comprises a top plate, a bottom plate and an inner wall plate arranged between the top plate and the bottom plate, and the top plate, the bottom plate and the inner wall of the kettle body form an annular closed space;
the heat exchange device also comprises a set number of heat exchange tubes arranged in the closed space, and openings at two ends of each heat exchange tube are respectively arranged on the top plate and the bottom plate;
and a first inlet and a first outlet of the heat exchange medium inlet/outlet heat exchange device are arranged on the kettle body.
2. The reactor according to claim 1, wherein said heat exchange tubes are straight tubes and are vertically disposed within said enclosed space.
3. The reactor according to claim 1, wherein said heat exchange tubes are curvilinear tubes arranged in a set manner within said enclosed space.
4. The reaction kettle according to claim 1, wherein the stirring device comprises at least two stirring blades, and the stirring blades are arranged up and down and are spaced from each other by a set distance.
5. The reactor according to claim 4, wherein the stirring blade is disposed in a space defined by the inner wall plate.
6. The reaction kettle according to claim 1, wherein a material inlet is arranged at the top of the kettle body, and a material outlet is arranged at the bottom of the kettle body.
7. The reaction kettle according to claim 1, wherein a heat tracing structure is arranged on the outer wall of the kettle body, and the heat tracing structure is an outer coil pipe, a half pipe or a jacket.
8. The reaction kettle according to claim 7, wherein the heat tracing structure is provided at an upper portion and a lower portion of the outer wall of the kettle body, respectively.
9. The reactor of claim 8, wherein different heat exchange media are used in the heat tracing structures disposed at the upper and lower portions of the outer wall of the body.
10. The reaction kettle as claimed in any one of claims 7 to 9, wherein the heat tracing structure is provided with a second inlet and a second outlet for heat exchange medium to enter/exit the heat tracing structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022835015.3U CN214863475U (en) | 2020-12-01 | 2020-12-01 | Reaction kettle with built-in heat exchange device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022835015.3U CN214863475U (en) | 2020-12-01 | 2020-12-01 | Reaction kettle with built-in heat exchange device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214863475U true CN214863475U (en) | 2021-11-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022835015.3U Active CN214863475U (en) | 2020-12-01 | 2020-12-01 | Reaction kettle with built-in heat exchange device |
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| Country | Link |
|---|---|
| CN (1) | CN214863475U (en) |
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- 2020-12-01 CN CN202022835015.3U patent/CN214863475U/en active Active
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