CN221099445U - Heat exchanger for chemical industry - Google Patents
Heat exchanger for chemical industry Download PDFInfo
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- CN221099445U CN221099445U CN202322884622.2U CN202322884622U CN221099445U CN 221099445 U CN221099445 U CN 221099445U CN 202322884622 U CN202322884622 U CN 202322884622U CN 221099445 U CN221099445 U CN 221099445U
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- heat exchange
- fixedly connected
- pipe
- heat
- threaded rod
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- 239000000126 substance Substances 0.000 title claims abstract description 18
- 239000012530 fluid Substances 0.000 claims abstract description 55
- 238000010992 reflux Methods 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims abstract description 6
- 230000008569 process Effects 0.000 claims abstract description 5
- 230000007704 transition Effects 0.000 claims description 20
- 238000011143 downstream manufacturing Methods 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 3
- 239000007788 liquid Substances 0.000 description 9
- 230000000712 assembly Effects 0.000 description 4
- 238000000429 assembly Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012824 chemical production Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model is suitable for the technical field of heat exchangers, and provides a heat exchanger for chemical industry, which comprises a shell, wherein a split pipe is arranged in the shell and used for dividing cold fluid into a plurality of strands and then respectively exchanging heat, the input end of the split pipe is fixedly connected with a cold fluid inlet pipe, a plurality of output ends of the split pipe are respectively fixedly connected with a first direct heat exchange pipe, one end of the first direct heat exchange pipe is fixedly connected with a forward flow heat exchange component, the forward flow heat exchange component is used for enabling cold fluid to absorb heat of hot fluid in the shell in the forward flow process, the other end of the forward flow heat exchange component is fixedly connected with a collecting pipe, the other end of the collecting pipe is fixedly connected with an adapter, the other end of the adapter is fixedly connected with a reflux component, and the other end of the reflux component is fixedly connected with a cold fluid outlet pipe. The utility model has the advantages of small occupied space, diversified heat exchange modes, high heat exchange efficiency and high space utilization rate.
Description
Technical Field
The utility model belongs to the technical field of heat exchangers, and particularly relates to a heat exchanger for chemical industry.
Background
The heat exchanger is a device for transferring part of heat of hot fluid to cold fluid, also called heat exchanger, which plays an important role in chemical industry, petroleum, power, food and other industrial production, and can be used as a heater, a cooler, a condenser, an evaporator, a reboiler and the like in chemical industry.
The heat exchangers for chemical industry in the market at present have obvious problems in actual use, the heat exchangers often occupy a large amount of factory space, and the heat transfer mode is single, so that the heat exchange efficiency of equipment is low, the efficiency of chemical production is affected by the defects, and the energy consumption and the risk of environmental pollution can be increased.
Therefore, in view of the above situation, there is an urgent need to develop a heat exchanger for chemical industry to overcome the shortcomings in the current practical application.
Disclosure of utility model
The embodiment of the utility model aims to provide a heat exchanger for chemical industry, and aims to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
The utility model provides a heat exchanger for chemical industry, includes the casing, casing upper end left side fixedly connected with cold flow feed liquor pipe, casing lower extreme left side fixedly connected with cold flow drain pipe, casing lower extreme right side fixedly connected with hot flow feed liquor pipe, casing left end face fixedly connected with hot flow drain pipe, casing lower extreme fixedly connected with a plurality of supporting shoe, and every supporting shoe lower extreme is all fixedly connected with two expansion assembly, still include the shunt tube in the casing, the input and the cold flow feed liquor pipe fixed connection of shunt tube for divide into the heat transfer respectively behind the multistrand with cold fluid; the output ends of the shunt tubes are respectively and fixedly connected with a first direct heat exchange tube, one end of the first direct heat exchange tubes is fixedly connected with a downstream heat exchange assembly, the downstream heat exchange assembly is used for enabling cold fluid to absorb heat of hot fluid in a shell in a downstream process, the other end of the downstream heat exchange assembly is fixedly connected with a collecting pipe, the cold fluid heat collector is characterized in that the adapter is fixedly connected with the other end of the collecting pipe, the heat return assembly is fixedly connected with the other end of the adapter and used for enabling cold fluid to absorb heat of the hot fluid in the shell in the process of backflow, and the other end of the heat return assembly is fixedly connected with the cold fluid outlet pipe.
According to a further technical scheme, the telescopic assembly comprises a first threaded rod, a second threaded rod and a sleeve; the first threaded rod is fixedly connected to the bottom end of the supporting block, the outer wall of the first threaded rod is sleeved with the sleeve, the upper portion of the sleeve is in threaded connection with the first threaded rod, the other end of the sleeve is sleeved on the outer wall of the second threaded rod, the sleeve is in threaded connection with the upper end of the outer wall of the second threaded rod, and the other end of the second threaded rod is fixedly connected with the supporting plate
According to a further technical scheme, the downstream heat exchange component comprises a heat exchange plate, a convex ring and a second direct heat exchange pipe; the heat exchange plate is characterized in that a cavity is formed in the heat exchange plate, the heat exchange plates are fixedly connected with the inner wall of the shell, the heat exchange plates are uniformly distributed between the first straight heat exchange pipe and the collecting pipe, the left end of the heat exchange plate is fixedly connected with the tail end of the first straight heat exchange pipe, the tail end of the heat exchange plate is fixedly connected with the front end of the collecting pipe, the two sides of the heat exchange plate are fixedly connected with a plurality of convex rings, the inside of each convex ring is hollow, the convex rings are communicated with the cavity in the heat exchange plate, the adjacent heat exchange plates are fixedly connected with second straight heat exchange pipes, and the two ends of each second straight heat exchange pipe are respectively communicated with the inner cavities of the adjacent heat exchange plates.
According to a further technical scheme, the reflux heat exchange assembly comprises a spiral heat exchange tube and a reflux round tube; the backflow circular tube is positioned in the heat exchange plate, and two ends of the outer wall of the backflow circular tube are respectively and hermetically connected with through holes formed in the heat exchange plate; the spiral heat exchange tube is positioned between every two adjacent heat exchange plates, and two ends of the spiral heat exchange tube are fixedly connected with corresponding ends of two reflux round tubes adjacent to two sides respectively.
Further technical proposal, the utility model also comprises a transition pipe; the transition pipe penetrates through the heat exchange plate, the outer walls of the transition pipes are respectively connected with the heat exchange plate in a sealing mode, and two ends of each transition pipe are located in the cavity of the shell.
According to a further technical scheme, the transition pipes are fixedly arranged on the upper half part and the lower half part of the adjacent heat exchange plate in a staggered mode.
According to a further technical scheme, the spiral heat exchange tube is flat.
In summary, compared with the prior art, the embodiment of the utility model has the following beneficial effects:
The cold fluid is divided into a plurality of strands through the shunt pipes, then heat exchange is respectively carried out, the height of the heat exchanger from the ground is adjusted through the telescopic group, so that the heat exchange condition between the cold fluid and the surrounding environment is changed, the cold fluid absorbs the heat of the hot fluid in the shell in the downstream process through the downstream heat exchange assembly, and the cold fluid absorbs the heat of the hot fluid in the shell in the reflux process through the reflux heat exchange assembly.
In order to more clearly illustrate the structural features and efficacy of the present utility model, the present utility model will be described in detail below with reference to the accompanying drawings and examples.
Drawings
FIG. 1 is a schematic perspective view of a part of a structure according to an embodiment of the present utility model;
FIG. 2 is a schematic bottom perspective view of FIG. 1 according to an embodiment of the present utility model;
FIG. 3 is a cross-sectional view of the three-dimensional structure of FIG. 1 according to an embodiment of the present utility model;
FIG. 4 is an enlarged schematic view of the portion A in FIG. 3 according to an embodiment of the present utility model;
FIG. 5 is a schematic view of a cross-sectional perspective structure of the right-hand view of FIG. 1 according to an embodiment of the present utility model;
Fig. 6 is a schematic perspective view of a telescopic assembly according to an embodiment of the present utility model.
In the figure: 1-shell, 2-cold flow liquid inlet pipe, 3-cold flow liquid outlet pipe, 4-hot flow liquid inlet pipe, 5-hot flow liquid outlet pipe, 6-supporting block, 7-supporting plate, 8-shunt pipe, 9-first straight heat exchange pipe, 10-heat exchange plate, 11-convex ring, 12-second straight heat exchange pipe, 13-spiral heat exchange pipe, 14-collecting pipe, 15-backflow circular pipe, 16-adapter, 17-first threaded rod, 18-second threaded rod, 19-sleeve and 20-transition pipe.
Detailed Description
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.
Specific implementations of the utility model are described in detail below in connection with specific embodiments.
As shown in fig. 1, fig. 2 and fig. 3, the embodiment of the utility model provides a heat exchanger for chemical industry, which comprises a shell 1, a cold flow liquid inlet pipe 2 is fixedly connected to the left side of the upper end of the shell 1, a cold flow liquid outlet pipe 3 is fixedly connected to the left side of the lower end of the shell 1, a hot flow liquid inlet pipe 4 is fixedly connected to the right side of the lower end of the shell 1, a hot flow liquid outlet pipe 5 is fixedly connected to the left end face of the shell 1, a plurality of support blocks 6 are fixedly connected to the lower end of the shell 1, two telescopic assemblies are fixedly connected to the lower end of each support block 6, a support plate 7 is fixedly connected to the lower end of each telescopic assembly, a shunt pipe 8 is further included in the shell 1, the input end of the shunt pipe 8 is fixedly connected with the cold flow liquid inlet pipe 2 and used for respectively carrying out heat exchange after dividing cold fluid into a plurality of strands, a plurality of forward flow heat exchange pipes 9 are respectively fixedly connected to the plurality of output ends of the shunt pipe 8, one ends of the first forward flow heat exchange pipes 9 are fixedly connected with forward flow heat exchange assemblies, and the forward flow heat exchange assemblies are used for enabling the heat exchange assemblies to absorb heat of the cold fluid in the shell 1. The other end fixedly connected with pressure manifold 14 of downstream heat transfer subassembly, pressure manifold 14 other end fixedly connected with adapter 16, just adapter 16 other end fixedly connected with backward flow heat transfer subassembly, backward flow heat transfer subassembly is used for making cold fluid absorb the heat of hot fluid in casing 1 in backward flow in-process, the other end fixedly connected with cold flow drain pipe 3 of backward flow heat transfer subassembly.
In the embodiment of the utility model, the cold fluid is divided into a plurality of strands through the shunt pipes 8, then heat exchange is respectively carried out, the height of the heat exchanger from the ground is adjusted through the telescopic group, so that the heat exchange condition between the heat exchanger and the surrounding environment is changed, the cold fluid absorbs the heat of the hot fluid in the shell 1 in the downstream process through the downstream heat exchange assembly, and the cold fluid absorbs the heat of the hot fluid in the shell 1 in the reflux process through the reflux heat exchange assembly.
As shown in fig. 1, 2 and 6, in particular, the telescopic assembly comprises a first threaded rod 17, a second threaded rod 18 and a sleeve 19; the first threaded rod 17 is fixedly connected to the bottom end of the supporting block 6, the outer wall of the first threaded rod 17 is sleeved with a sleeve 19, the upper portion of the sleeve 19 is in threaded connection with the first threaded rod 17, the other end of the sleeve 19 is sleeved on the outer wall of the second threaded rod 18, the sleeve 19 is in threaded connection with the upper end of the outer wall of the second threaded rod 18, and the other end of the second threaded rod 18 is fixedly connected with the supporting plate 7.
It will be appreciated that the direction of the threads on the first threaded rod 17 and the second threaded rod 18 are reversed.
In a specific application, when the sleeve 19 is required to be adjusted up, the sleeve 19 is rotated clockwise, then the sleeve 19 moves upwards relative to the second threaded rod 18, and the first threaded rod 17 moves upwards relative to the sleeve 19, so that the supporting block 6 moves upwards; when it is desired to adjust down, the sleeve 19 is rotated anticlockwise, and then the sleeve 19 is moved downwards relative to the second threaded rod 18, and the first threaded rod 17 is moved downwards relative to the sleeve 19, thereby causing the support block 6 to move downwards.
As shown in fig. 1, 3, 4 and 5, in particular, the downstream heat exchange assembly includes a heat exchange plate 10, a convex ring 11 and a second straight heat exchange tube 12; the heat exchange plate 10 is internally provided with a cavity, a plurality of heat exchange plates 10 are fixedly connected with the inner wall of the shell 1, the heat exchange plates 10 are uniformly distributed between the first straight heat exchange pipes 9 and the collecting pipe 14, the left end of each heat exchange plate 10 is fixedly connected with the tail end of the first straight heat exchange pipe 9, the right end of each tail heat exchange plate 10 is fixedly connected with the front end of the collecting pipe 14, the two sides of each heat exchange plate 10 are fixedly connected with a plurality of convex rings 11, the inside of each convex ring 11 is hollow, the convex rings 11 are communicated with the cavity in each heat exchange plate 10, the adjacent heat exchange plates 10 are fixedly connected with second straight heat exchange pipes 12, and the two ends of each second straight heat exchange pipe 12 are respectively communicated with the inner cavities of the adjacent heat exchange plates 10.
It will be appreciated that the second straight heat exchange tube 12 serves to communicate the cavities in adjacent heat exchange plates 10 and the collar 11 serves to increase the contact area of the heat exchange plates 10 with the hot fluid.
In a specific application, cold fluid flows through the first straight heat exchange tube 9 into the heat exchange plate 10, then flows through the second straight heat exchange tube 12 into the next heat exchange plate 10, and then flows into the collecting pipe 14, and then flows into the heat return assembly through the adapter 16 to collect the cold fluid in the collecting pipes 14.
As shown in fig. 1, 3, 4 and 5, in particular, the heat return assembly includes a plurality of spiral heat exchange tubes 13 and a return round tube 15; the backflow circular tube 15 is positioned in the heat exchange plate 10, and two ends of the outer wall of the backflow circular tube 15 are respectively and hermetically connected with a through hole formed in the upper center of the heat exchange plate 10; the spiral heat exchange tube 13 is located between every two adjacent heat exchange plates 10, and two ends of the spiral heat exchange tube 13 are fixedly connected with corresponding ends of two reflux round tubes 15 adjacent to two sides respectively.
In a specific application, cold fluid enters the backflow circular tube 15 through one end of the adapter 16, then flows through the spiral heat exchange tube 13, then continuously repeats the action, then flows into the cold fluid outlet tube 3, and finally flows out from one end of the cold fluid outlet tube 3.
As shown in fig. 3, 4 and 5, further comprises a transition pipe 20; the transition pipe 20 penetrates through the heat exchange plate 10, the outer walls of the transition pipes 20 are respectively connected with the heat exchange plate 10 in a sealing mode, and two ends of the transition pipe 20 are located in the cavity of the shell 1.
It will be appreciated that the transition duct 20 serves to communicate the cavities on both sides of the heat exchanger plate 10 for the passage of the hot fluid therethrough.
In a specific application, the hot fluid enters the shell 1 from the hot fluid inlet pipe 4, continuously flows forward through the transition pipe 20 on the heat exchange plate 10, finally flows into the hot fluid outlet pipe 5, and then flows out from one end of the hot fluid outlet pipe 5.
In the embodiment of the present utility model, the transition pipes 20 are staggered and fixedly arranged on the upper and lower half portions of the adjacent heat exchange plates 10, and a plurality of transition pipes 20 are fixedly arranged on the upper portion of one heat exchange plate 10, so that the lower portion of the adjacent heat exchange plate 10 is provided with the same number of transition pipes 20; the spiral heat exchange tube 13 is flat and is used for enlarging the contact area.
The working principle of the utility model is as follows: the hot fluid enters the shell 1 from the hot fluid inlet pipe 4, continuously flows forwards through the transition pipe 20 on the heat exchange plate 10, finally flows into the hot fluid outlet pipe 5, flows out of one end of the hot fluid outlet pipe 5, flows in from the cold fluid inlet pipe 2, is split by the split pipe 8, flows through the first straight heat exchange pipe 9 into the heat exchange plate 10 respectively, continuously flows through the second straight heat exchange pipe 12 into the next heat exchange plate 10, continuously repeats the action, flows into the collecting pipe 14, flows through the adapter 16 to collect cold fluid in the collecting pipes 14, flows into the backflow round pipe 15, flows through the spiral heat exchange pipe 13, continuously repeats the action, flows into the cold fluid outlet pipe 3 and finally flows out of one end of the cold fluid outlet pipe 3.
In addition, when an adjustment is required, the sleeve 19 is rotated clockwise, then the sleeve 19 is moved upward relative to the second threaded rod 18, the first threaded rod 17 is moved upward relative to the sleeve 19, thereby causing the support block 6 to move upward, and when an adjustment is required, the sleeve 19 is rotated counterclockwise, then the sleeve 19 is moved downward relative to the second threaded rod 18, and the first threaded rod 17 is moved downward relative to the sleeve 19, thereby causing the support block 6 to move downward.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (7)
1. The utility model provides a heat exchanger for chemical industry, includes the casing, casing upper end left side fixedly connected with cold flow feed liquor pipe, casing lower extreme left side fixedly connected with cold flow drain pipe, casing lower extreme right side fixedly connected with hot flow feed liquor pipe, casing left end face fixedly connected with hot flow drain pipe, its characterized in that, casing lower extreme fixedly connected with a plurality of supporting shoe, and every supporting shoe lower extreme is all fixedly connected with two flexible subassemblies, still be equipped with the shunt tube in the casing, the input and the cold flow feed liquor pipe fixed connection of shunt tube for divide into the heat transfer respectively behind the multistrand with cold fluid; the output ends of the shunt tubes are respectively and fixedly connected with a first direct heat exchange tube, one end of the first direct heat exchange tubes is fixedly connected with a downstream heat exchange assembly, the downstream heat exchange assembly is used for enabling cold fluid to absorb heat of hot fluid in a shell in a downstream process, the other end of the downstream heat exchange assembly is fixedly connected with a collecting pipe, the cold fluid heat collector is characterized in that the adapter is fixedly connected with the other end of the collecting pipe, the heat return assembly is fixedly connected with the other end of the adapter and used for enabling cold fluid to absorb heat of the hot fluid in the shell in the process of backflow, and the other end of the heat return assembly is fixedly connected with the cold fluid outlet pipe.
2. A chemical heat exchanger according to claim 1, wherein the telescoping assembly comprises a first threaded rod, a second threaded rod, and a sleeve;
The first threaded rod is fixedly connected to the bottom end of the supporting block, the outer wall of the first threaded rod is sleeved with the sleeve, the upper portion of the sleeve is in threaded connection with the first threaded rod, the other end of the sleeve is sleeved on the outer wall of the second threaded rod, the sleeve is in threaded connection with the upper end of the outer wall of the second threaded rod, and the other end of the second threaded rod is fixedly connected with the supporting plate.
3. A heat exchanger for chemical industry according to claim 1, wherein the downstream heat exchange assembly comprises a heat exchange plate, a convex ring and a second straight heat exchange tube;
The heat exchange plate is characterized in that a cavity is formed in the heat exchange plate, the heat exchange plates are fixedly connected with the inner wall of the shell, the heat exchange plates are uniformly distributed between the first straight heat exchange pipe and the collecting pipe, the left end of the heat exchange plate is fixedly connected with the tail end of the first straight heat exchange pipe, the tail end of the heat exchange plate is fixedly connected with the front end of the collecting pipe, the two sides of the heat exchange plate are fixedly connected with a plurality of convex rings, the inside of each convex ring is hollow, the convex rings are communicated with the cavity in the heat exchange plate, the adjacent heat exchange plates are fixedly connected with second straight heat exchange pipes, and the two ends of each second straight heat exchange pipe are respectively communicated with the inner cavities of the adjacent heat exchange plates.
4. A heat exchanger for chemical industry according to claim 3, wherein the heat return assembly comprises a spiral heat exchange tube and a round return tube;
The backflow circular tube is positioned in the heat exchange plate, and two ends of the outer wall of the backflow circular tube are respectively and hermetically connected with through holes formed in the heat exchange plate; the spiral heat exchange tube is positioned between every two adjacent heat exchange plates, and two ends of the spiral heat exchange tube are fixedly connected with corresponding ends of two reflux round tubes adjacent to two sides respectively.
5. A heat exchanger for chemical industry as claimed in claim 4, further comprising a transition pipe;
The transition pipe penetrates through the heat exchange plate, the outer walls of the transition pipes are respectively connected with the heat exchange plate in a sealing mode, and two ends of each transition pipe are located in the cavity of the shell.
6. The heat exchanger for chemical industry according to claim 5, wherein the transition pipes are fixedly arranged on the upper half part and the lower half part of the adjacent heat exchange plates in a staggered manner.
7. A heat exchanger for chemical industry as set forth in claim 4, wherein the spiral heat exchange tube is flat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322884622.2U CN221099445U (en) | 2023-10-26 | 2023-10-26 | Heat exchanger for chemical industry |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322884622.2U CN221099445U (en) | 2023-10-26 | 2023-10-26 | Heat exchanger for chemical industry |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221099445U true CN221099445U (en) | 2024-06-07 |
Family
ID=91308918
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322884622.2U Active CN221099445U (en) | 2023-10-26 | 2023-10-26 | Heat exchanger for chemical industry |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221099445U (en) |
-
2023
- 2023-10-26 CN CN202322884622.2U patent/CN221099445U/en active Active
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