CN114526618A - Multi-flow inner sleeve spiral twisted flat tube wound tube type heat exchanger - Google Patents
Multi-flow inner sleeve spiral twisted flat tube wound tube type heat exchanger Download PDFInfo
- Publication number
- CN114526618A CN114526618A CN202210231688.9A CN202210231688A CN114526618A CN 114526618 A CN114526618 A CN 114526618A CN 202210231688 A CN202210231688 A CN 202210231688A CN 114526618 A CN114526618 A CN 114526618A
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- Prior art keywords
- tube
- spiral
- pipe
- twisted flat
- heat exchanger
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- 238000004804 winding Methods 0.000 claims description 9
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims 1
- 235000017491 Bambusa tulda Nutrition 0.000 claims 1
- 241001330002 Bambuseae Species 0.000 claims 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims 1
- 239000011425 bamboo Substances 0.000 claims 1
- 210000005239 tubule Anatomy 0.000 claims 1
- 239000012530 fluid Substances 0.000 abstract description 24
- 230000000149 penetrating effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
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
- F28D7/0066—Multi-circuit heat-exchangers, e.g. integrating different heat exchange sections in the same unit or heat-exchangers for more than two fluids
- F28D7/0075—Multi-circuit heat-exchangers, e.g. integrating different heat exchange sections in the same unit or heat-exchangers for more than two fluids with particular circuits for the same heat exchange medium, e.g. with the same heat exchange medium flowing through sections having different heat exchange capacities or for heating or cooling the same heat exchange medium at different temperatures
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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
- F28D7/02—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 helically coiled
- F28D7/024—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 helically coiled the conduits of only one medium being helically coiled tubes, the coils having a cylindrical configuration
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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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/02—Header boxes; End plates
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/02—Header boxes; End plates
- F28F2009/0285—Other particular headers or end plates
- F28F2009/0287—Other particular headers or end plates having passages for different heat exchange media
Landscapes
- 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 discloses a multi-stream inner sleeve spiral twisted flat tube wound tube type heat exchanger, which comprises a cylinder body, a large tube plate, a small tube plate, a core barrel, a spiral circular tube, a spiral twisted flat tube and the like, and is characterized in that: the spiral heat exchange tube is of a double-layer sleeve structure, wherein the inner tube is a spiral twisted flat tube, the outer tube is a spiral round tube, a gap for forming an outer tube flow is formed between the outer wall of the inner tube and the inner wall of the outer tube, the inner tube is formed in the inner tube, two ends of the outer tube are connected to the large tube plate respectively, and two ends of the inner tube are connected to the small tube plate after penetrating through the large tube plate respectively. The invention realizes the heat exchange between the inner tube fluid and the shell pass fluid and the outer tube fluid at the same time, so that the structure is compact, the heat exchange area is increased, the disturbance of the fluids in the outer tube and the inner tube can be enhanced by arranging the inner tube as the spiral twisted flat tube, the heat transfer efficiency is high, and the pump work consumption is low.
Description
Technical Field
The invention relates to a multi-stream inner sleeve spiral twisted flat tube wound tube type heat exchanger, and belongs to the technical field of heat exchange enhancement.
Background
With the continuous increase of social economy and the continuous increase of resource consumption, higher requirements are put forward on the utilization rate of energy. The heat exchanger is used as a heat exchange universal device, has the advantages of being capable of recycling heat and the like, plays an important role in improving the energy utilization rate and the economical efficiency of a system, and is widely applied to the industries of chemical industry, electric power, metallurgy, power, aviation and the like and the processes of evaporation, condensation, heating, cooling and the like of materials.
The heat exchanger can be divided into various types according to the structure, such as a shell-and-tube heat exchanger, a plate-and-shell heat exchanger and the like, and has the advantages of firm structure, high operation elasticity, high reliability degree, wide application range and the like. The spiral wound tube type heat exchanger has the advantages of compact structure, high compressive strength, large heat transfer coefficient and the like as a novel heat exchanger, and is widely applied to the fields of low temperature, high pressure and the like in recent years. The heat exchanger is formed by winding two concentric sleeves into a spiral shape. The two working fluids can realize pure countercurrent flow, and the heat transfer efficiency is high. The invention provides a multi-stream inner sleeve spiral twisted flat tube wound tube type heat exchanger, which realizes the heat exchange between an inner tube fluid and a shell pass fluid and an outer tube fluid at the same time, has compact structure and increased heat exchange area, can enhance the disturbance of the fluids in the outer tube and the inner tube by arranging the inner tube as the spiral twisted flat tube, and has high heat transfer efficiency and small pump work consumption.
Disclosure of Invention
The invention aims to provide a multi-strand inner sleeve spiral twisted flat tube wound tube heat exchanger which can realize multi-strand fluid heat exchange, simultaneously improve the heat exchange efficiency of the wound tube heat exchanger, reduce pressure drop and is convenient to operate.
The technical scheme adopted by the invention is as follows: the multi-strand inner sleeve spiral twisted flat tube wound tube type heat exchanger mainly comprises a cylinder body, a large tube box, a small tube box, a large tube plate, a small tube plate, a core barrel, a spiral round tube, a spiral twisted flat tube, a shell pass inlet and outlet tube, a tube pass inlet and outlet tube and a connecting tube, and is characterized in that: be equipped with the cylinder that forms the shell side, set up and be in form the heliciform heat exchange tube of tube side in the cylinder, the heliciform heat exchange tube adopt double-deck sleeve structure, wherein the inner tube is the spiral distortion flat pipe, and the outer tube is the spiral pipe, be equipped with the clearance that forms the outer tube flow between inner tube outer wall and the outer tube inner wall, form the inner tube flow in the inner tube, the both ends of outer tube are connected respectively on big tube sheet, the inner tube both ends are connected to little tube sheet after passing big tube sheet respectively.
The spiral twisted flat tube and the spiral round tube are independent tube plates for each tube winding bundle, and each tube plate is provided with a tube box and an inlet and outlet tube respectively.
The pipe diameter of each winding pipe is determined according to the process conditions of each pipe pass fluid under the actual operation working conditions.
The invention realizes the heat exchange between the fluid in the inner pipe and the fluid in the shell pass and the fluid in the outer pipe at the same time, so that the structure is compact, the heat exchange area is increased, the disturbance of the fluid in the outer pipe and the fluid in the inner pipe can be enhanced by arranging the inner pipe as the spiral twisted flat pipe, the heat transfer efficiency is high, and the pump work consumption is low.
Drawings
FIG. 1 is a schematic structural diagram of the present invention
FIG. 2 is a schematic view of a spirally twisted flat tube
FIG. 3 is a schematic view of a spiral pipe
In the figure, 1-outer tube flow inlet tube; 2-spirally twisting flat tubes; 3-a shell pass outlet pipe; 4-a core barrel; 5-a small tube plate; 6-inlet pipe of inner pipe process; 7-outlet pipe of inner pipe flow path; 8-small tubelet box; 9-large tube plate; 10-a cylinder; 11-a spiral circular tube; 12-shell side inlet tube; 13-large pipe box; 14-outer tube flow outlet tube; 15-connecting pipe.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
The invention is realized by the following steps: a novel multi-strand inner sleeve spiral twisted flat tube wound tube type heat exchanger comprises an outer tube flow inlet tube [1], a spiral twisted flat tube [2], a shell side outlet tube [3], a core barrel [4], a small tube plate [5], an inner tube flow inlet tube [6], an inner tube flow outlet tube [7], a small tube box [8], a large tube plate [9], a cylinder [10], a spiral round tube [11], a shell side inlet tube [12], a large tube box [13], an outer tube flow outlet tube [14] and a connecting tube [15 ]. The spiral twisted flat tube is formed by twisting and winding a flat tube pressed by a round tube, the base circle of the spiral twisted flat tube is in an elliptical tube shape, the cross sections of an inlet and an outlet are the same ellipse, and the major axis, the minor axis and the twisting degree of the tube diameter can be manufactured into different sizes according to different working conditions. The spiral twisted flat tube is sleeved in the spiral round tube, a shell side is formed by a gap between the outer wall of the spiral round tube and the inner wall of the cylinder body, an outer tube flow is formed by a gap between the inner wall of the spiral round tube and the outer wall of the spiral twisted flat tube, and an inner tube flow is formed in the spiral twisted flat tube, so that double-heat-source heating or double-cold-source cooling heat exchange is realized. The core barrel is fixed on the large tube plates at two sides by welding, the spiral twisted flat tube and the spiral round tube are wound on the periphery of the core barrel in parallel at the same spiral angle and spiral central line, and the core barrel is fixed in position by the filler strip and the supporting structure. The two ends of the spiral round pipe are connected to the large pipe plate respectively, and the two ends of the spiral twisted flat pipe are connected to the small pipe plate after penetrating through the large pipe plate respectively. The large tube plates are fixed on two sides of the cylinder body through welding, and the small tube plates are fixed on the connecting tubes on two sides through welding. Wherein the connecting pipe is connected with the side edge of the large end socket and is symmetrically distributed with the inlet and the outlet of the outer pipe flow.
In the multi-stream inner sleeve spiral twisted flat tube wound tube type heat exchanger, simultaneous heat exchange of three streams of fluid can be realized, namely, the inner tube flow fluid and the shell pass fluid heat or cool the outer tube flow fluid simultaneously, so that the volumetric efficiency of the heat exchanger is improved, and the heat exchange efficiency is enhanced. And the inner pipe adopts a spiral twisted flat pipe structure, which is a flow-winding element in the outer pipe flow fluid, so that the disturbance degree of the outer pipe flow fluid is enhanced, the pump work consumed by the outer pipe flow fluid is reduced, and meanwhile, the twisted structure can also induce the formation of secondary circulation of the inner pipe flow fluid, so that the dirt heat resistance in the pipe is reduced, the disturbance on a boundary layer is enhanced, and the heat transfer efficiency is further enhanced.
Claims (5)
1. The utility model provides a many streams endotheca spiral distortion flat pipe is around tubular heat exchanger, includes cylinder, big bobbin case, tubule bobbin case, big tube sheet, little tube sheet, core section of thick bamboo, spiral pipe, spiral distortion flat pipe, shell side inlet and outlet pipe, tube side inlet and outlet pipe, takeover, its characterized in that: be equipped with the cylinder that forms the shell side, set up and be in form the heliciform heat exchange tube of tube side in the cylinder, the heliciform heat exchange tube adopt double-deck sleeve structure, wherein the inner tube is the spiral distortion flat pipe, and the outer tube is the spiral pipe, be equipped with the clearance that forms the outer tube flow between inner tube outer wall and the outer tube inner wall, form the inner tube flow in the inner tube, the both ends of outer tube are connected to respectively on the big tube sheet, the inner tube both ends are connected to little tube sheet after passing big tube sheet respectively.
2. The multiple flow inner sleeve helically twisted flat tube wound tube heat exchanger of claim 1, wherein: the spiral twisted flat tube is formed by twisting and winding a flat tube pressed by a round tube, the base circle of the spiral twisted flat tube is in an elliptical tube shape, the cross sections of an inlet and an outlet are the same ellipse, and the major axis, the minor axis and the twisting degree of the tube diameter can be manufactured into different sizes according to different working conditions.
3. The multiple flow inner sleeve helically twisted flat tube wound tube heat exchanger of claim 1, wherein: the spiral round pipe is formed by winding a smooth round pipe, and the diameter of the spiral round pipe is larger than the long shaft of the spiral twisted flat pipe.
4. The multiple flow inner sleeve helically twisted flat tube wound tube heat exchanger of claim 1, wherein: the tube side is formed by spirally winding a spiral twisted flat tube and a spiral round tube in parallel.
5. The multiple flow inner sleeve helically twisted flat tube wound tube heat exchanger of claim 1, wherein: the spiral twisted flat tube and the spiral round tube are independent tube plates for each tube winding bundle, and each tube plate is provided with a tube box and an inlet and outlet tube respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210231688.9A CN114526618A (en) | 2022-03-10 | 2022-03-10 | Multi-flow inner sleeve spiral twisted flat tube wound tube type heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210231688.9A CN114526618A (en) | 2022-03-10 | 2022-03-10 | Multi-flow inner sleeve spiral twisted flat tube wound tube type heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114526618A true CN114526618A (en) | 2022-05-24 |
Family
ID=81625922
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210231688.9A Pending CN114526618A (en) | 2022-03-10 | 2022-03-10 | Multi-flow inner sleeve spiral twisted flat tube wound tube type heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114526618A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115289872A (en) * | 2022-09-28 | 2022-11-04 | 安徽普泛能源技术有限公司 | Quaternary efficient heat exchanger and absorption type ice making system and application thereof |
| CN116638324A (en) * | 2023-07-27 | 2023-08-25 | 江苏金诺化工装备有限公司 | Production equipment for coil assembly of composite coil type heat exchanger |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3915224A (en) * | 1973-06-22 | 1975-10-28 | Uhde Gmbh Friedrich | Process gas cooler |
| DE102009036070A1 (en) * | 2009-08-04 | 2011-02-17 | Eichenauer Heizelemente Gmbh & Co. Kg | Liquid heating device for use in coffee machine, has tubular heating elements or heating cartridges connected with one another in lengthwise manner, where liquid-carrying pipe is simultaneously wound around heating elements or cartridges |
| CN102032816A (en) * | 2010-11-23 | 2011-04-27 | Tcl空调器(中山)有限公司 | Heat exchanger |
| CN104359335A (en) * | 2014-11-05 | 2015-02-18 | 镇海石化建安工程有限公司 | Novel multi-strand flow heat exchanger |
| CN105823349A (en) * | 2016-05-19 | 2016-08-03 | 郑州大学 | Double-pipe-pass mixed pipe bundle heat exchanger |
| CN105823348A (en) * | 2016-05-19 | 2016-08-03 | 郑州大学 | Double-flow mixed tube bundle shell and tube heat exchanger |
| CN107228581A (en) * | 2017-08-06 | 2017-10-03 | 郑州大学 | Sub-thread stream reduced pipe wound tube heat exchanger |
| CN107255422A (en) * | 2017-07-31 | 2017-10-17 | 郑州大学 | Shell side multiple flow wound tube heat exchanger |
| CN108801000A (en) * | 2018-08-17 | 2018-11-13 | 上海理工大学 | The tube side of multiple flow wound tube heat exchanger imports and exports connecting pipe structure |
-
2022
- 2022-03-10 CN CN202210231688.9A patent/CN114526618A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3915224A (en) * | 1973-06-22 | 1975-10-28 | Uhde Gmbh Friedrich | Process gas cooler |
| DE102009036070A1 (en) * | 2009-08-04 | 2011-02-17 | Eichenauer Heizelemente Gmbh & Co. Kg | Liquid heating device for use in coffee machine, has tubular heating elements or heating cartridges connected with one another in lengthwise manner, where liquid-carrying pipe is simultaneously wound around heating elements or cartridges |
| CN102032816A (en) * | 2010-11-23 | 2011-04-27 | Tcl空调器(中山)有限公司 | Heat exchanger |
| CN104359335A (en) * | 2014-11-05 | 2015-02-18 | 镇海石化建安工程有限公司 | Novel multi-strand flow heat exchanger |
| CN105823349A (en) * | 2016-05-19 | 2016-08-03 | 郑州大学 | Double-pipe-pass mixed pipe bundle heat exchanger |
| CN105823348A (en) * | 2016-05-19 | 2016-08-03 | 郑州大学 | Double-flow mixed tube bundle shell and tube heat exchanger |
| CN107255422A (en) * | 2017-07-31 | 2017-10-17 | 郑州大学 | Shell side multiple flow wound tube heat exchanger |
| CN107228581A (en) * | 2017-08-06 | 2017-10-03 | 郑州大学 | Sub-thread stream reduced pipe wound tube heat exchanger |
| CN108801000A (en) * | 2018-08-17 | 2018-11-13 | 上海理工大学 | The tube side of multiple flow wound tube heat exchanger imports and exports connecting pipe structure |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115289872A (en) * | 2022-09-28 | 2022-11-04 | 安徽普泛能源技术有限公司 | Quaternary efficient heat exchanger and absorption type ice making system and application thereof |
| CN115289872B (en) * | 2022-09-28 | 2023-02-07 | 安徽普泛能源技术有限公司 | Quaternary efficient heat exchanger and absorption type ice making system and application thereof |
| CN116638324A (en) * | 2023-07-27 | 2023-08-25 | 江苏金诺化工装备有限公司 | Production equipment for coil assembly of composite coil type heat exchanger |
| CN116638324B (en) * | 2023-07-27 | 2023-09-19 | 江苏金诺化工装备有限公司 | Production equipment for coil assembly of composite coil type heat exchanger |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20220524 |
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