CN216770279U - Tube bundle, heat exchanger and horizontal reactor - Google Patents
Tube bundle, heat exchanger and horizontal reactor Download PDFInfo
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- CN216770279U CN216770279U CN202220154876.1U CN202220154876U CN216770279U CN 216770279 U CN216770279 U CN 216770279U CN 202220154876 U CN202220154876 U CN 202220154876U CN 216770279 U CN216770279 U CN 216770279U
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Abstract
The utility model discloses a tube bundle, a heat exchanger and a horizontal reactor, belonging to the field of heat exchange, comprising a heat exchange tube group and tube plates at two ends of the heat exchange tube group, wherein the heat exchange tube group comprises a plurality of heat exchange tubes, a plurality of tube holes are arranged on the tube plates, the heat exchange tubes are arranged in the tube holes in a penetrating way and are connected with the tube holes, the specific connection mode can adopt the modes of welding, expanded joint, expanded welding and the like, the heat exchange tubes are designed into a structure comprising a straight tube section and a wound tube section which are communicated, and the wound tube section is designed into a section of spiral wound tube. In the heat exchange process, the stress can be self-eliminated by utilizing the self-expansion characteristic of the pipe winding section, the working condition of large temperature difference is adapted, and the problem that the stress is easy to concentrate on the welding line of the pipe joint of the heat exchange pipe and the pipe plate is solved.
Description
Technical Field
The utility model relates to the field of heat exchange, in particular to a tube bundle, a heat exchanger and a horizontal reactor.
Background
The heat exchange tube is an important component in the chemical production process and plays a role in heat exchange of cold and hot fluid. The existing heat exchange tubes are generally divided into two types, namely a wound tube type structure and a tube type structure. The shell and tube structure is in the operation process, because the existence of the fluid temperature difference in the heat exchange tube, the stress is easily concentrated on the welding line of the heat exchange tube and the tube joint of the tube plate, the welding line is pulled off, the heat exchange failure is finally caused, and the tube structure is wound, so that the manufacturing is difficult and the material consumption is high.
Aiming at the problems in the prior art, the utility model designs and manufactures a tube bundle, a heat exchanger and a horizontal reactor by combining years of design and use experience of related fields and assisting with over-strong professional knowledge, thereby overcoming the defects.
SUMMERY OF THE UTILITY MODEL
For the problems in the prior art, the tube bundle, the heat exchanger and the horizontal reactor provided by the utility model have the advantages that the heat exchange tube is formed by combining the wound tube and the straight tube, and the problem that the stress is easy to concentrate on the welding seam of the heat exchange tube and the tube joint of the tube plate is solved by virtue of the self-expansion characteristic of the wound tube.
In order to achieve the purpose, the technical scheme adopted by the utility model is as follows: a tube bundle comprises a heat exchange tube group and tube plates at two ends of the heat exchange tube group, wherein the heat exchange tube group comprises a plurality of heat exchange tubes, a plurality of tube holes are formed in the tube plates, and the heat exchange tubes are arranged in the tube holes in a penetrating manner;
the heat exchange tube comprises a straight tube section and a winding tube section which are communicated, and the winding tube section is a section of spiral winding tube.
Preferably, the length of the coiled pipe section is less than the length of the straight pipe section.
Preferably, the straight pipe section is provided with at least one section, and the winding pipe section is provided with at least one section.
Preferably, the two ends of the winding pipe section are both connected with straight pipe sections.
Preferably, the total length ratio of the wound pipe section to the straight pipe section is 1: 1-3.
A heat exchanger comprises a cylinder and the tube bundle, wherein the tube bundle is arranged in the cylinder, tube plates are positioned at two ends of the cylinder, seal heads are arranged on the outer sides of the tube plates, one end of each seal head is provided with a tube pass inlet, and the other end of each seal head is provided with a tube pass outlet;
and the outer side wall of the cylinder body is provided with a shell pass inlet and a shell pass outlet.
Preferably, the inner wall of the cylinder body is provided with a plurality of baffle plates, the baffle plates are provided with through holes, and the straight pipe sections of the pipe bundles are arranged in the through holes in a penetrating manner.
A horizontal reactor comprises a cylinder and the tube bundle, wherein the tube bundle is arranged in the cylinder, tube plates are positioned at two ends of the cylinder, seal heads are arranged outside the tube plates, one end of each seal head is provided with a tube pass inlet, and the other end of each seal head is provided with a tube pass outlet;
and the outer side wall of the cylinder body is provided with a shell pass inlet, a shell pass outlet and a vent.
Preferably, the inner wall of the cylinder body is provided with a plurality of pass partition plates, the pass partition plates are provided with through holes, the straight pipe sections of the pipe bundle penetrate through the through holes, and the pass partition plates divide the cylinder body into a plurality of heat exchange areas;
each heat exchange area is provided with a shell pass inlet, and at least one heat exchange area is provided with a shell pass outlet.
Preferably, a gas medium outlet is formed in the upper portion of the cylinder body.
The utility model discloses an useful part lies in:
1. the heat exchange tube comprises a straight tube section and a wound tube section, and the stress can be self-eliminated by utilizing the self-expansion characteristic of the wound tube section in the heat exchange process, so that the heat exchange tube is suitable for the working condition with large temperature difference, and the problem that the stress is easy to concentrate on the weld joint of the heat exchange tube and the tube plate is solved.
2. The baffle plate in the heat exchanger prolongs the medium circulation path in the cylinder, plays a role in turbulence, improves the heat exchange efficiency and can also play a role in supporting the heat exchange pipe.
3. The split-pass partition plate in the horizontal reactor can realize the purpose of controlling the temperature of the inner partition of the reaction zone, and the normal reaction is ensured by introducing different amounts of refrigerants through the shell-pass inlet.
Drawings
FIG. 1 is a schematic view of a tube bundle;
FIG. 2 is a schematic view of a heat exchange tube of the present invention
FIG. 3 is a schematic view of a heat exchanger;
FIG. 4 is a schematic view of a horizontal reactor.
In the figure: 1-winding pipe section, 2-straight pipe section, 3-pipe plate, 4-end enclosure, 5-tube side inlet, 6-tube side outlet, 7-cylinder, 8-shell side inlet, 9-shell side outlet, 10-gas medium outlet, 11-pass partition plate and 12-baffle plate.
Detailed Description
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
Example one
As shown in fig. 1 and 2, a tube bundle comprises a heat exchange tube group and tube plates 3 at two ends of the heat exchange tube group, the heat exchange tube group comprises a plurality of heat exchange tubes, a plurality of tube holes are arranged on the tube plates 3, the heat exchange tubes are arranged in the tube holes in a penetrating manner and connected with the tube holes, and the specific connection mode can adopt the modes of welding, expansion welding and the like.
In order to solve the problem that stress is easy to concentrate on a welding seam between a heat exchange tube and a tube plate 3 and further the welding seam is pulled off due to the temperature difference of fluid in the heat exchange tube, the heat exchange tube is designed to be of a structure comprising a straight tube section 2 and a wound tube section 1 which are communicated with each other, and the wound tube section 1 is designed to be a section of spiral wound tube. In the heat exchange process, the stress can be self-eliminated by utilizing the self-expansion characteristic of the pipe winding section 1, the large temperature difference working condition is adapted, and the problem that the stress is easy to concentrate on the welding line of the pipe joint of the heat exchange pipe and the pipe plate 3 is solved.
Further, the length of the coil pipe section 1 is preferably smaller than that of the straight pipe section 2, in addition, at least one section of the straight pipe section 2 is arranged, at least one section of the coil pipe section 1 is also arranged, the ratio of the total length of the coil pipe section 1 (the sum of the lengths of the coil pipe sections 1) to the total length of the straight pipe section 2 (the sum of the lengths of the straight pipe sections 2) is preferably 1:1-3, for example, as shown in fig. 2, the ratio of the total length of the coil pipe section 1 (L1) to the total length of the straight pipe section 2 (L21+ L22) is preferably 1:1-3, so that the corresponding processing difficulty and consumable materials are reduced on the basis of meeting the requirement of self-telescopic deformation.
According to the utility model, two ends of a wound pipe section 1 are both connected with a straight pipe section 2, if the wound pipe section 1 is positioned at one end of a heat exchange pipe, a connecting pipe is connected between the wound pipe section 1 and a pipe plate 3, the connecting pipe is also a section of straight pipe so as to be conveniently connected with the pipe plate 3, and the other end of the wound pipe section 1 is set as the straight pipe section 2 and is directly connected with the other pipe plate 3.
Example two
The utility model provides a heat exchanger, includes barrel 7 and above-mentioned tube bank, and the tube bank setting is in barrel 7, and tube sheet 3 is located barrel 7 both ends, and the 3 outsides of tube sheet set up head 4, and one end head 4 is equipped with tube side import 5, and other end head 4 is equipped with tube side export 6, and 7 lateral walls of barrel are equipped with shell side import 8 and shell side export 9.
The inner wall of the cylinder 7 is provided with a plurality of baffle plates 12, adjacent baffle plates 12 are sequentially arranged on two sides of the inner wall of the cylinder 7, a gap is arranged between the other end of each baffle plate 12 and the inner wall of the cylinder 7, the baffle plates 12 are provided with through holes, and the straight pipe sections 2 of the pipe bundles are arranged in the through holes in a penetrating manner.
EXAMPLE III
A horizontal reactor comprises a cylinder body 7 and the tube bundle, wherein the tube bundle is arranged in the cylinder body 7, tube plates 3 are arranged at two ends of the cylinder body 7, end sockets 4 are arranged on the outer sides of the tube plates 3, one end head 4 is provided with a tube pass inlet 5, the other end head 4 is provided with a tube pass outlet 6, the outer side wall of the cylinder body 7 is provided with a shell pass inlet 8, a shell pass outlet 9, and a vent (not shown in the figure) can be arranged on the cylinder body 7.
The inner wall of the cylinder 7 is provided with a plurality of pass partition plates 11, the pass partition plates 11 are provided with through holes, the straight pipe sections 2 of the pipe bundle penetrate through the through holes, the pass partition plates 11 divide the cylinder 7 into a plurality of heat exchange areas, each heat exchange area is provided with a shell pass inlet 8, and at least one heat exchange area is provided with a shell pass outlet 9. Different amounts of refrigerants are introduced through the shell side inlet 8, so that the aim of controlling the temperature of the inner partition of the reaction area can be fulfilled, and the normal reaction is ensured. A gas medium outlet 10 can be arranged above the cylinder 7, and the refrigerant vaporized by heating can be discharged from the gas medium outlet 10.
It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should also be understood that various alterations, modifications and/or variations can be made to the present invention by those skilled in the art after reading the technical content of the present invention, and all such equivalents fall within the protective scope defined by the claims of the present application.
Claims (10)
1. A tube bundle is characterized by comprising a heat exchange tube group and tube plates at two ends of the heat exchange tube group, wherein the heat exchange tube group comprises a plurality of heat exchange tubes, a plurality of tube holes are formed in the tube plates, and the heat exchange tubes are arranged in the tube holes in a penetrating manner;
the heat exchange tube comprises a straight tube section and a winding tube section which are communicated, and the winding tube section is a section of spiral winding tube.
2. A tube bundle according to claim 1, wherein the length of said coiled section is less than the length of the straight section.
3. The tube bundle according to claim 1, wherein said straight tube section has at least one segment and said coiled tube section has at least one segment.
4. A tube bundle according to claim 3, characterized in that a straight tube section is connected to both ends of said coil section.
5. A tube bundle according to claim 2 or 3, characterized in that the total length ratio of the wound tube section to the straight tube section is 1: 1-3.
6. A heat exchanger, characterized by comprising a cylinder and the tube bundle of any one of claims 1 to 5, wherein the tube bundle is arranged in the cylinder, the tube plates are positioned at two ends of the cylinder, end sockets are arranged outside the tube plates, one end of each end socket is provided with a tube pass inlet, and the other end of each end socket is provided with a tube pass outlet;
and the outer side wall of the cylinder body is provided with a shell pass inlet and a shell pass outlet.
7. The heat exchanger of claim 6, wherein the inner wall of the cylinder is provided with a plurality of baffle plates, the baffle plates are provided with through holes, and the straight pipe sections of the pipe bundle are arranged in the through holes in a penetrating manner.
8. A horizontal reactor, characterized by comprising a cylinder and the tube bundle of any one of claims 1 to 5, wherein the tube bundle is arranged in the cylinder, the tube plates are positioned at two ends of the cylinder, the outer sides of the tube plates are provided with end sockets, one end of the end socket is provided with a tube pass inlet, and the other end of the end socket is provided with a tube pass outlet;
and the outer side wall of the cylinder body is provided with a shell pass inlet, a shell pass outlet and a vent.
9. The horizontal reactor according to claim 8, wherein a plurality of stroke partitions are arranged on the inner wall of the cylinder body, the stroke partitions are provided with through holes, the straight pipe sections of the pipe bundle penetrate through the through holes, and the stroke partitions divide the cylinder body into a plurality of heat exchange areas;
each heat exchange area is provided with a shell pass inlet, and at least one heat exchange area is provided with a shell pass outlet.
10. The horizontal reactor according to claim 8, wherein a gaseous medium outlet is provided above the barrel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220154876.1U CN216770279U (en) | 2022-01-20 | 2022-01-20 | Tube bundle, heat exchanger and horizontal reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220154876.1U CN216770279U (en) | 2022-01-20 | 2022-01-20 | Tube bundle, heat exchanger and horizontal reactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216770279U true CN216770279U (en) | 2022-06-17 |
Family
ID=81979764
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220154876.1U Active CN216770279U (en) | 2022-01-20 | 2022-01-20 | Tube bundle, heat exchanger and horizontal reactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216770279U (en) |
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2022
- 2022-01-20 CN CN202220154876.1U patent/CN216770279U/en active Active
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