CN215598173U - Counterflow Shell and Tube Heat Exchanger - Google Patents
Counterflow Shell and Tube Heat Exchanger Download PDFInfo
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- CN215598173U CN215598173U CN202120826446.5U CN202120826446U CN215598173U CN 215598173 U CN215598173 U CN 215598173U CN 202120826446 U CN202120826446 U CN 202120826446U CN 215598173 U CN215598173 U CN 215598173U
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- heat exchanger
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- 239000007788 liquid Substances 0.000 claims abstract description 37
- 238000005192 partition Methods 0.000 claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 39
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 21
- 238000012546 transfer Methods 0.000 abstract description 19
- 238000000034 method Methods 0.000 abstract description 11
- 239000003507 refrigerant Substances 0.000 abstract description 5
- 238000013461 design Methods 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 238000009826 distribution Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
本实用新型公开了逆流式壳管换热器，包括壳体和换热管，换热管设于壳体中，壳体设有至少两个隔板，隔板水平设置。本实用新型设置至少两个隔板，能够将壳体分隔成多个区域，各区域首尾连通，增加壳程，同时换热管沿着隔板的分隔进行设置，呈多个U型弯折，有效提升管程，从而提高换热时间，提高换热效率和换热效果。利用分隔板分隔壳体，能够使得壳体内液体流动方向与换热管内液体流动方向一致或相反，保证换热过程中的充分接触，同时能够保证换热过程中制冷剂的温度变化平缓，提高换热效果。
The utility model discloses a counter-flow shell-and-tube heat exchanger, which comprises a shell and a heat exchange tube. The heat exchange tube is arranged in the shell, and the shell is provided with at least two partition plates, and the partition plates are arranged horizontally. The utility model is provided with at least two partitions, which can divide the shell into a plurality of regions, and each region is connected end-to-end to increase the shell length, and meanwhile, the heat exchange tubes are arranged along the partitions of the partitions, and are bent in a plurality of U shapes. Effectively increase the tube length, thereby increasing the heat exchange time, improving the heat exchange efficiency and heat exchange effect. Using the partition plate to separate the shell can make the liquid flow direction in the shell consistent with or opposite to the liquid flow direction in the heat exchange tube, ensure sufficient contact during the heat exchange process, and at the same time ensure that the temperature change of the refrigerant during the heat exchange process is gentle, improving the efficiency of the heat exchange process. heat transfer effect.
Description
Technical Field
The utility model belongs to the technical field of refrigeration equipment, and particularly relates to a counter-flow shell and tube heat exchanger.
Background
Shell and tube heat exchangers are the most widely used conventional heat exchangers. The most basic structure is that a plurality of small tubes for heat exchange are added in a circular shell, and when the heating medium is steam, the shell-and-tube steam-water heat exchanger is called; the shell-tube water-water heat exchanger is called when the heating medium is high-temperature water, and the water-water heat exchanger is also called as a sectional water-water heat exchanger because the inside and the outside of a heat exchange small tube are both water, the water flow velocity at the two sides of the small tube is close, the diameter of a circular shell cannot be too large, and when the requirement on the heating area is large, a plurality of sections are connected. The heat exchanger is commonly used for hot water heating systems, low-temperature water air-conditioning systems and certain continuous hot water production process water.
The heat exchange tube of the existing counter-flow shell-and-tube heat exchanger generally adopts a U-shaped tube, and the tube pass is short, so that the heat exchange effect is poor.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problems in the prior art, and provides a counter-flow shell-and-tube heat exchanger which can increase tube passes and improve the heat exchange effect.
In order to solve the technical problems, the utility model adopts the following technical scheme:
counter-flow shell and tube heat exchanger, including casing and heat exchange tube, the heat exchange tube is located in the casing, its characterized in that: the shell is provided with at least two clapboards which are horizontally arranged. Set up two at least baffles, can separate into a plurality of regions with the casing, each regional end to end intercommunication increases the shell side, and the heat exchange tube sets up along the partition of baffle simultaneously, is a plurality of U types and buckles, effectively promotes the tube side to improve heat transfer time, improve heat exchange efficiency and heat transfer effect. Utilize the division board to separate the casing, can make liquid flow direction in the casing unanimous or opposite with the interior liquid flow direction of heat-exchanging pipe, guarantee the abundant contact of heat transfer in-process, can guarantee simultaneously that the temperature variation of heat transfer in-process refrigerant is mild, improves the heat transfer effect.
Further, the cross section of the shell is rectangular. The structural design of whole casing just with the cuboid compares in the casing of cylinder, and the specification of heat exchange tube reduces, increases with the heat exchange tube quantity of specification, then can make things convenient for the production and processing of heat exchange tube. The shell of the cylinder is filled with the heat exchange tubes, so that the specifications of the heat exchange tubes are multiple, the number of the heat exchange tubes with the same specification is small, and the heat exchange tubes are inconvenient to produce. The heat exchange tube bundle in the cuboid shell is uniformly distributed, and the installation and the arrangement of the heat exchange tube bundle can be convenient.
Furthermore, the outer side surface of the shell is provided with a reinforcing rib. Traditional shell and tube heat exchanger is cylindrical shell, and the pressure-bearing is high, the even characteristics of pressurized, and this application adopts the cuboid structure, though the structural material bearing ratio circular little with thickness, but the highest design pressure of casing is 1Mpa, and operating pressure generally is about 0.5MPa, can satisfy the user demand, and sets up the strengthening rib at the casing lateral surface, can improve the bearing strength of casing, guarantees the normal use of casing. Meanwhile, the partition board inside the shell is connected with the shell, so that the strength of the shell can be improved to a certain extent.
Furthermore, the liquid inlet of the heat exchange tube and the liquid outlet of the heat exchange tube are arranged on the same side of the shell. Liquid outlet and inlet set up with one side, can make things convenient for the connection of inlet and liquid outlet, shorten the required length of connecting tube, make things convenient for the connection of heat exchanger.
Furthermore, the shell is provided with a flow dividing and collecting cover which is connected with the heat exchange tube. Through the flow dividing and collecting cover, the liquid inlet has the function of liquid equalization, and the liquid outlet has the function of flow collection, so that the connection of the tube pass is facilitated.
Further, the cross section of the diversity flow cover is rectangular. The diversity flow cover with the rectangular cross section is matched with the heat exchange tubes arranged in a rectangular shape, so that the effects of liquid distribution, flow equalization and liquid collection can be effectively improved. The cross-section of the traditional flow distributing and collecting cover is circular, the heat exchange tubes distributed in one quarter are matched, the good flow equalizing and liquid collecting effects can be achieved, and the poor flow equalizing and liquid collecting effects are achieved by matching the heat exchange tubes distributed in a rectangular mode.
Further, the shell is provided with a water inlet and a water outlet, and the water inlet is arranged below the water outlet. The water inlet sets up in the below of delivery port, can improve the required time of shell side in the liquid flow, promotes heat transfer time and heat transfer effect.
Further, the water inlet and the water outlet are arranged on the same side of the shell. The water inlet and the water outlet are arranged on the same side, so that the connection of the water inlet and the connection of the water outlet can be facilitated, and the length of a pipeline required during connection can be shortened.
Furthermore, the bottom of the shell is provided with a support rod. The bottom support rod can play a supporting role for the shell, and the shell is convenient to place.
Due to the adoption of the technical scheme, the utility model has the following beneficial effects:
the shell is provided with at least two partition plates, the partition plates are horizontally arranged, the shell can be divided into a plurality of areas, the shell pass is increased, and meanwhile, the heat exchange tubes are arranged along the partition of the partition plates and are bent in a plurality of U shapes, so that the tube pass is effectively improved, the heat exchange time is prolonged, and the heat exchange efficiency and the heat exchange effect are improved. Utilize the division board to separate the casing, can make liquid flow direction in the casing unanimous or opposite with the interior liquid flow direction of heat-exchanging pipe, guarantee the abundant contact of heat transfer in-process, can guarantee simultaneously that the temperature variation of heat transfer in-process refrigerant is mild, improves the heat transfer effect.
Drawings
The utility model will be further described with reference to the accompanying drawings in which:
FIG. 1 is a schematic structural view of a counter-flow shell and tube heat exchanger of the present invention;
FIG. 2 is a schematic view of a heat exchange tube disposed in a housing according to the present invention;
FIG. 3 is a schematic structural view of the housing of the present invention;
FIG. 4 is a schematic structural view of a heat exchange tube according to the present invention;
FIG. 5 is a schematic view showing the flow direction of the liquid in the present invention.
In the drawings, 1-housing; 2-heat exchange tube; 3-a separator; 4-reinforcing ribs; 5-a diversity flow mask; 6-water inlet; 7-water outlet; 8-support bar.
Detailed Description
As shown in fig. 1 to 5, the counter-flow shell and tube heat exchanger of the present invention comprises a shell 1 and a heat exchange tube 2, wherein the heat exchange tube 2 is disposed in the shell 1, the shell 1 is provided with at least two partition plates 3, and the partition plates 3 are horizontally disposed. Set up two at least baffles 3, can separate into a plurality of regions with casing 1, each regional end to end intercommunication increases the shell side, and heat exchange tube 2 sets up along the partition of baffle 3 simultaneously, is a plurality of U types and buckles, effectively promotes the tube side to improve heat transfer time, improve heat exchange efficiency and heat transfer effect. Utilize division board 3 to separate casing 1, can make in the casing 1 liquid flow direction unanimous or opposite with the interior liquid flow direction of heat exchange tube 2, guarantee the abundant contact among the heat transfer process, can guarantee simultaneously that the temperature variation of heat transfer in-process refrigerant is mild, improves the heat transfer effect.
The cross section of the housing 1 is rectangular. The structural design of whole casing 1 just with the cuboid compares in cylindrical casing 1, and the specification of heat exchange tube 2 reduces, increases with the heat exchange tube 2 quantity of specification, then can make things convenient for the production and processing of heat exchange tube 2. The heat exchange tubes 2 are fully filled in the cylindrical shell 1, so that the heat exchange tubes 2 are large in specification, the number of the heat exchange tubes 2 with the same specification is small, and the heat exchange tubes 2 are inconvenient to produce. 2 bundles of heat exchange tubes in the cuboid shell 1 are uniformly distributed, and the installation and the arrangement of the 2 bundles of heat exchange tubes can be facilitated.
The outer side surface of the shell 1 is provided with a reinforcing rib 4. Traditional shell and tube heat exchanger is cylindrical casing 1, and the pressure-bearing is high, the even characteristics of pressurized, and this application adopts the cuboid structure, though the structural material bearing ratio circle little with thickness, but the highest design pressure of casing 1 is 1Mpa, and operating pressure generally is about 0.5MPa, can satisfy the user demand, and sets up strengthening rib 4 at 1 lateral surface of casing, can improve the bearing strength of casing 1, guarantees casing 1's normal use. Meanwhile, the partition board 3 inside the shell 1 is connected with the shell 1, so that the strength of the shell 1 can be improved to a certain extent.
The liquid inlet of the heat exchange tube 2 and the liquid outlet of the heat exchange tube 2 are arranged on the same side of the shell 1. Liquid outlet and inlet set up with one side, can make things convenient for the connection of inlet and liquid outlet, shorten the required length of connecting tube, make things convenient for the connection of heat exchanger.
The shell 1 is provided with a flow dividing and collecting cover 5, and the flow dividing and collecting cover 5 is connected with the heat exchange tube 2. Through the flow dividing and collecting cover 5, the liquid inlet has the function of liquid equalization, and the liquid outlet has the function of flow collection, so that the connection of the tube pass is facilitated.
The cross section of the distribution header 5 is rectangular. The rectangular cross-section divides the flow cover 5, cooperates heat exchange tube 2 that the rectangle was arranged, can effectively improve divide the liquid and flow equalize and collect the liquid effect. The cross-section of the traditional flow distributing and collecting cover 5 is circular, the heat exchange tubes 2 which are distributed in one quarter are matched, so that the better flow equalizing and liquid collecting effects can be achieved, and the flow equalizing and liquid collecting effects are poorer due to the matching of the heat exchange tubes 2 which are distributed in a rectangular shape.
The shell 1 is provided with a water inlet 6 and a water outlet 7, and the water inlet 6 is arranged below the water outlet 7. The water inlet 6 is arranged below the water outlet 7, so that the time required by liquid flowing in the shell pass can be prolonged, and the heat exchange time and the heat exchange effect are improved.
The water inlet 6 and the water outlet 7 are arranged on the same side of the shell 1. The water inlet 6 and the water outlet 7 are arranged on the same side, so that the connection of the water inlet 6 and the connection of the water outlet 7 can be facilitated, and the length of a pipeline required during connection can be shortened.
The bottom of the shell 1 is provided with a support rod 8. The bottom support rod 8 can support the shell 1, and the shell 1 is convenient to place.
The shell 1 is provided with at least two partition plates 3, the partition plates 3 are horizontally arranged, the shell 1 can be divided into a plurality of areas, the shell pass is increased, meanwhile, the heat exchange tubes 2 are arranged along the partition of the partition plates 3 and are bent in a plurality of U shapes, and the tube pass is effectively improved, so that the heat exchange time is prolonged, and the heat exchange efficiency and the heat exchange effect are improved. Utilize division board 3 to separate casing 1, can make in the casing 1 liquid flow direction unanimous or opposite with the interior liquid flow direction of heat exchange tube 2, guarantee the abundant contact among the heat transfer process, can guarantee simultaneously that the temperature variation of heat transfer in-process refrigerant is mild, improves the heat transfer effect.
The above is only a specific embodiment of the present invention, but the technical features of the present invention are not limited thereto. Any simple changes, equivalent substitutions or modifications made based on the present invention to solve the same technical problems and achieve the same technical effects are within the scope of the present invention.
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120826446.5U CN215598173U (en) | 2021-04-21 | 2021-04-21 | Counterflow Shell and Tube Heat Exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120826446.5U CN215598173U (en) | 2021-04-21 | 2021-04-21 | Counterflow Shell and Tube Heat Exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215598173U true CN215598173U (en) | 2022-01-21 |
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ID=79871933
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120826446.5U Active CN215598173U (en) | 2021-04-21 | 2021-04-21 | Counterflow Shell and Tube Heat Exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215598173U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119554625A (en) * | 2025-02-06 | 2025-03-04 | 山东爱能森新材料科技有限公司 | A molten salt heat storage steam supply system |
-
2021
- 2021-04-21 CN CN202120826446.5U patent/CN215598173U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119554625A (en) * | 2025-02-06 | 2025-03-04 | 山东爱能森新材料科技有限公司 | A molten salt heat storage steam supply system |
| CN119554625B (en) * | 2025-02-06 | 2025-04-04 | 山东爱能森新材料科技有限公司 | Fused salt heat accumulation steam supply system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20241023 Address after: 266300 No. 21 Xiangjiang Road, Jiaozhou Economic and Technological Development Zone, Jiaozhou City, Qingdao City, Shandong Province Patentee after: Qingdao Kaifa Longhai Intelligent Control Co.,Ltd. Country or region after: China Address before: No.1, Jinhai Road, Hongdao Economic Zone, Qingdao, Shandong 266113 Patentee before: QINGDAO BAISHIHENG REFRIGERATION TECHNOLOGY Co.,Ltd. Country or region before: China |
|
| TR01 | Transfer of patent right |