CN113865379A - Novel tube-sheet heat exchanger structure - Google Patents
Novel tube-sheet heat exchanger structure Download PDFInfo
- Publication number
- CN113865379A CN113865379A CN202011490030.7A CN202011490030A CN113865379A CN 113865379 A CN113865379 A CN 113865379A CN 202011490030 A CN202011490030 A CN 202011490030A CN 113865379 A CN113865379 A CN 113865379A
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- China
- Prior art keywords
- dimensional deformation
- shell
- fluid inlet
- tube
- heat exchanger
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/16—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation
- F28D7/1684—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation the conduits having a non-circular cross-section
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F1/00—Tubular elements; Assemblies of tubular elements
- F28F1/02—Tubular elements of cross-section which is non-circular
- F28F1/025—Tubular elements of cross-section which is non-circular with variable shape, e.g. with modified tube ends, with different geometrical features
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F11/00—Arrangements for sealing leaky tubes and conduits
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Geometry (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention relates to a novel tube-plate heat exchanger structure, which comprises a tube bundle playing a role of integrated constraint, wherein the tube bundle is bound with a plurality of three-dimensional deformation tubes which are arranged in parallel, the three-dimensional deformation tubes are of a twisted elliptical tube structure and are linearly distributed, a shell playing a role of sealing is covered on the outer side of the tube bundle, sealing parts used for sealing the shell are respectively arranged at two ends of the three-dimensional deformation tubes, a fluid inlet is formed in one end side surface of the shell, and a fluid outlet is formed in one end side surface of the shell, which is far away from the fluid inlet; the end of the three-dimensional deformation pipe close to the fluid inlet is an outflow end, and the end of the three-dimensional deformation pipe far away from the fluid inlet is an inflow end. By adopting the technical scheme, the heat exchange efficiency of the heat exchanger structure is improved; at the same time, the resistance to fluid flow is reduced.
Description
Technical Field
The invention relates to the technical field of heat exchange, in particular to a novel tube-plate heat exchanger structure.
Background
The energy demand in China is rigidly increased, the consumption level is in the forefront of the world and is still rapidly increased, and meanwhile, the situation of energy conservation and emission reduction is severe. The radiator is widely applied to the fields of chemical industry, petroleum, metallurgy, electric power and the like, the performance of the radiator has obvious value for improving the energy efficiency, researchers at home and abroad attach great importance to the heat exchange strengthening technology, the heat exchange efficiency is improved, the flow resistance is reduced, and the environmental adaptability is improved by continuously developing novel radiator structures, optimizing design parameters and selecting special materials, so that the heat exchange capacity is improved, and the competitive level of equipment in the industry is improved.
The tube bundle of the existing tube-plate heat exchanger structure generally comprises a heat exchange tube, a tube plate and baffle plates, wherein a medium is baffled outside the tube for many times to collide with the medium in the tube for heat exchange, the heat exchange mode cannot achieve the effect of pure countercurrent, the consumption of the medium driving force is also high due to extra collision baffling, and the heat exchange efficiency of the heat exchanger structure is reduced.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a novel tube-plate heat exchanger structure which has the advantage of improving the heat exchange efficiency of the heat exchanger structure.
In order to achieve the purpose, the invention provides the following technical scheme:
a novel tube-plate heat exchanger structure comprises a tube bundle playing a role in integrated constraint, wherein the tube bundle is constrained with a plurality of three-dimensional deformation tubes which are arranged in parallel, the three-dimensional deformation tubes are of a twisted elliptical tube structure, the three-dimensional deformation tubes are linearly distributed, a shell playing a role in sealing is covered on the outer side of the tube bundle, sealing elements used for sealing the shell are respectively installed at two ends of the three-dimensional deformation tubes, a fluid inlet is formed in one end side face of the shell, and a fluid outlet is formed in one end side face, away from the fluid inlet, of the shell; and one end of the three-dimensional deformation pipe close to the fluid inlet is an outflow end, and one end of the three-dimensional deformation pipe far away from the fluid inlet is an inflow end.
By adopting the technical scheme, when two fluids respectively flow between the metal round pipe and the inner part of the shell, the two fluids flow in a mutually reverse direction, so that pure reverse flow between the fluids is realized, the heat exchange temperature difference is increased, and the heat exchange efficiency of the heat exchanger structure is improved; meanwhile, the three-dimensional deformation pipe is of a twisted elliptical pipe structure, the fluid flowing mode is converted from collision flow to friction flow, and the flowing resistance of the fluid is reduced.
The invention is further configured to: the two groups of sealing elements are made of plastics, and the side faces, close to each other, of the two groups of sealing elements are respectively connected with the side faces at the two ends of the shell in a seamless mode.
By adopting the technical scheme, the two groups of sealing elements are made of plastics, and the corrosion resistance of the plastics is more excellent than that of the metal, so that the corrosion resistance of the sealing elements is improved, and the sealing property of the inner space of the shell is improved.
The invention is further configured to: the two ends of the three-dimensional deformation pipe are cylindrical round pipe structures, and the three-dimensional deformation pipe is in interference fit with the sealing piece.
By adopting the technical scheme, the two ends of the three-dimensional deformation pipe are both cylindrical circular pipe structures, so that the three-dimensional deformation pipe can be in interference fit with the sealing element, the sealing performance of the sealing element is improved, and the possibility of leakage of fluid flowing inside the shell is reduced; meanwhile, the structure does not need welding, and can be directly assembled, so that the installation efficiency is improved.
The invention is further configured to: the fluid outlet is located on a side of the housing remote from the fluid inlet.
Through adopting above-mentioned technical scheme, the fluid outlet is located the shell and keeps away from the side of fluid inlet avoids fluidic confusion, and makes the operation change in the fluid inlet of distinguishing and fluid outlet, reduces misoperation.
In conclusion, the invention has the following beneficial effects:
1. when two fluids flow between the metal round pipe and the inner part of the shell respectively, the two fluids flow in a reverse direction, so that pure countercurrent between the fluids is realized, the heat exchange temperature difference is increased, and the heat exchange efficiency of the heat exchanger structure is improved; meanwhile, the three-dimensional deformation pipe is of a twisted elliptical pipe structure, the fluid flowing mode is converted from collision flow to friction flow, and the flowing resistance of the fluid is reduced;
2. the two ends of the three-dimensional deformation pipe are cylindrical round pipe structures, so that the three-dimensional deformation pipe can be in interference fit with the sealing element, the sealing performance of the sealing element is improved, and the possibility of leakage of fluid flowing inside the shell is reduced; meanwhile, the structure does not need welding, and can be directly assembled, so that the installation efficiency is improved.
Drawings
FIG. 1 is an overall structural view of the present embodiment;
fig. 2 is a schematic side view of the present embodiment.
Reference numerals: 1. a three-dimensional deformation tube; 2. a housing; 21. a fluid inlet; 22. a fluid outlet; 3. and a seal.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
As shown in fig. 1 and 2, the novel tube-plate heat exchanger structure disclosed by the invention comprises a tube bundle playing a role of integrated constraint, wherein the tube bundle is bound with a plurality of three-dimensional deformed tubes 1 which are arranged in parallel, the three-dimensional deformed tubes 1 are in a twisted elliptical tube structure, the three-dimensional deformed tubes 1 are distributed in a straight line, and the shape formed by the three-dimensional deformed tubes 1 is a cuboid; the outer side of the tube bundle is covered with a shell 2 which has a sealing function, and the shell 2 is a hollow cuboid.
One end of the three-dimensional deformation pipe 1 close to the fluid inlet 21 is an outflow end, and one end of the three-dimensional deformation pipe 1 far away from the fluid inlet 21 is an inflow end. The two ends of the three-dimensional deformation pipe 1 are cylindrical circular pipe structures, and the three-dimensional deformation pipes 1 are in interference fit with the sealing element 3.
The working conditions and principles of the embodiment are as follows:
when two kinds of fluid exchange heat in the heat exchanger, pouring the first fluid into the three-dimensional deformation pipe 1 from the inflow end, so that the first fluid flows from the inflow end to the outflow end of the three-dimensional deformation pipe 1; meanwhile, a second fluid is poured from the fluid inlet 21, so that the second fluid enters the shell 2, flows from the fluid inlet 21 to the fluid outlet 22 in the shell 2, and fully contacts with the three-dimensional deformation pipes 1 in the flowing process, and pure countercurrent is realized between the first fluid and the second fluid in the heat exchanger structure due to the fact that the direction of the fluid inlet 21 is opposite to that of the inflow end, and the heat exchange efficiency of the heat exchanger is improved.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention accordingly, and not to limit the protection scope of the present invention accordingly. All equivalent changes or modifications made in accordance with the spirit of the present disclosure are intended to be covered by the scope of the present disclosure.
Claims (4)
1. The utility model provides a novel tube-sheet heat exchanger structure, is including playing the tube bank of integrated constraint effect, characterized by: the tube bundle is bound with a plurality of three-dimensional deformation tubes (1) which are arranged in parallel, the three-dimensional deformation tubes (1) are of a twisted oval tube structure, the three-dimensional deformation tubes (1) are linearly distributed, the outer side of the tube bundle is covered with a shell (2) which has a sealing effect, two ends of the three-dimensional deformation tubes (1) are respectively provided with a sealing element (3) which is used for sealing the shell (2), one end side surface of the shell (2) is provided with a fluid inlet (21), and one end side surface of the shell (2) far away from the fluid inlet (21) is provided with a fluid outlet (22); one end, close to the fluid inlet (21), of the three-dimensional deformation pipe (1) is an outflow end, and one end, far away from the fluid inlet (21), of the three-dimensional deformation pipe (1) is an inflow end.
2. The new tube-plate heat exchanger structure of claim 1, wherein: the two groups of sealing elements (3) are made of plastics, and the side faces, close to each other, of the two groups of sealing elements (3) are respectively connected with the side faces at the two ends of the shell (2) in a seamless mode.
3. The new tube-plate heat exchanger structure of claim 1, wherein: the two ends of the three-dimensional deformation pipe (1) are cylindrical circular pipe structures, and the three-dimensional deformation pipe (1) and the sealing piece (3) are in interference fit.
4. The new tube-plate heat exchanger structure of claim 1, wherein: the fluid outlet (22) is located on a side of the housing (2) remote from the fluid inlet (21).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2020212531036 | 2020-06-30 | ||
| CN202021253103 | 2020-06-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113865379A true CN113865379A (en) | 2021-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011490030.7A Pending CN113865379A (en) | 2020-06-30 | 2020-12-15 | Novel tube-sheet heat exchanger structure |
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| CN (1) | CN113865379A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080038165A1 (en) * | 2006-08-08 | 2008-02-14 | Kellogg Brown & Root Llc | Low pressure drop reforming reactor |
| CN107830752A (en) * | 2017-10-23 | 2018-03-23 | 中国科学院广州能源研究所 | A kind of high-efficiency waste heat recovery device |
| CN208347854U (en) * | 2018-06-06 | 2019-01-08 | 中国科学院广州能源研究所 | A kind of compact shell-and-tube Marine Diesel Engine oil cooler |
| CN110542334A (en) * | 2019-08-23 | 2019-12-06 | 中国科学院广州能源研究所 | Pure countercurrent shell and tube type fresh water cooler |
| CN110906759A (en) * | 2019-11-21 | 2020-03-24 | 中国科学院广州能源研究所 | Modular efficient heat exchange structure |
-
2020
- 2020-12-15 CN CN202011490030.7A patent/CN113865379A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080038165A1 (en) * | 2006-08-08 | 2008-02-14 | Kellogg Brown & Root Llc | Low pressure drop reforming reactor |
| CN107830752A (en) * | 2017-10-23 | 2018-03-23 | 中国科学院广州能源研究所 | A kind of high-efficiency waste heat recovery device |
| CN208347854U (en) * | 2018-06-06 | 2019-01-08 | 中国科学院广州能源研究所 | A kind of compact shell-and-tube Marine Diesel Engine oil cooler |
| CN110542334A (en) * | 2019-08-23 | 2019-12-06 | 中国科学院广州能源研究所 | Pure countercurrent shell and tube type fresh water cooler |
| CN110906759A (en) * | 2019-11-21 | 2020-03-24 | 中国科学院广州能源研究所 | Modular efficient heat exchange structure |
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