CN108332583A - A kind of axial notch heat exchanger tube double pipe heat exchanger - Google Patents
A kind of axial notch heat exchanger tube double pipe heat exchanger Download PDFInfo
- Publication number
- CN108332583A CN108332583A CN201810139669.7A CN201810139669A CN108332583A CN 108332583 A CN108332583 A CN 108332583A CN 201810139669 A CN201810139669 A CN 201810139669A CN 108332583 A CN108332583 A CN 108332583A
- Authority
- CN
- China
- Prior art keywords
- heat exchanger
- shell
- axial notch
- axial
- exchanger tube
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- 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
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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
- F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
- F28F21/04—Constructions of heat-exchange apparatus characterised by the selection of particular materials of ceramic; of concrete; of natural stone
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
- F28F21/08—Constructions of heat-exchange apparatus characterised by the selection of particular materials of metal
- F28F21/081—Heat exchange elements made from metals or metal alloys
- F28F21/082—Heat exchange elements made from metals or metal alloys from steel or ferrous alloys
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
- F28F21/08—Constructions of heat-exchange apparatus characterised by the selection of particular materials of metal
- F28F21/081—Heat exchange elements made from metals or metal alloys
- F28F21/085—Heat exchange elements made from metals or metal alloys from copper or copper alloys
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
- F28F21/08—Constructions of heat-exchange apparatus characterised by the selection of particular materials of metal
- F28F21/081—Heat exchange elements made from metals or metal alloys
- F28F21/086—Heat exchange elements made from metals or metal alloys from titanium or titanium alloys
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention discloses a kind of axial notch heat exchanger tube double pipe heat exchangers,Including shell,Axial notch heat exchanger tube,It is connected to the left end cap and right end cap at shell both ends,Circumferentially there is the design of at least two axial notches in the outer surface of the axial notch heat exchanger tube,So that in the case of identical actual internal area,The contact area of shell-side fluid and axial notch pipe wall of heat exchange pipe increases,To make heat transfer area increase,Simultaneously,Axial fin in pipe gos deep into tube hub area,Enhance the heat exchange of center fluid in axial notch heat exchange tube,This structure can make that heat transfer coefficient of heat exchanger is greatly improved but on-way resistance amplification is little,It is particularly suitable for the heat exchange of high viscosity fluid,Simultaneously,Inner surface of outer cover,Concave surface heat exchange pipe external surface and a left side,Ring cavity is formed between right end cap,Increase the turbulivity of shell-side fluid itself,Improve convection transfer rate.The configuration of the present invention is simple is easy to unpick and wash and repair, and has extensive market application prospect.
Description
Technical field
The invention belongs to heat-transfer equipment fields, and in particular to a kind of axial notch heat exchanger tube double pipe heat exchanger.
Background technology
For tubular heat exchanger, double pipe heat exchanger is simple in structure, and heat transfer area increases and decreases freely, while it is by standard
Component composition forms, and without in addition processing when installation, heat conductive efficiency is high, is a kind of pure adverse current type heat exchanger, while can also select
Suitable sectional dimension is taken, to improve fluid velocity, increases the heat transfer coefficient of two side liquids, double pipe heat exchanger is in scientific research and reality
Border production field has a wide range of applications.It is formed by connecting concentric circular sleeve with two kinds of different standard pipes of caliber, outside
It is shell side, internal is tube side.Two kinds of different mediums can in shell side and tube side reverse flow (or in the same direction) to reach heat exchange
Effect.The inner tube in double-tube heat exchanger is all that smooth pipe, tubing is used to be generally the metal materials such as copper, stainless steel and titanium at present
Expect, the fluid convection coefficient of heat transfer is low in heat exchanger, and the heat transfer coefficient for causing double pipe heat exchanger total is low.
Invention content
The present invention devises a kind of axial notch heat exchanger tube double pipe heat exchanger, with solve to mention in above-mentioned background technology
Problem and shortage.
The solution that the present invention solves its technical problem is：A kind of axial notch heat exchanger tube double pipe heat exchanger, including
The shell of tubulose, the left end cap and right end cap for being connected to shell both ends, the shell both ends are respectively equipped with the stream with tube side fluid
Further include setting inside the shell and exchanging heat with the coaxial axial notch of shell to opposite shell side fluid inlet and shell side fluid outlet
Pipe, circumferentially there are at least two axial notches, the axial notch heat exchanger tube in described its outer surface of axial notch heat exchanger tube
Inner surface there is axial fin corresponding with outer surface, the both ends of the axial notch heat exchanger tube to run through left and right end cap, institute
It states and forms cricoid shell side cavity between the outer surface and left and right end cap of inner surface of outer cover, axial notch heat exchanger tube.
As a further improvement of the above technical scheme, the axial notch heat exchanger tube passes through extruding by metal material pipe
Forming.
As a further improvement of the above technical scheme, the shell is using in steel, cast iron, copper, titanium, ceramics or glass
Any one or two kinds of materials.
As a further improvement of the above technical scheme, the axial fin of the axial notch pipe internal surface equidistantly divides
Cloth.
The beneficial effects of the invention are as follows：The present invention uses inner tube of the axial notch heat exchanger tube as double pipe heat exchanger, institute
Circumferentially there is the design of at least two axial notches in the outer surface for stating axial notch heat exchanger tube so that in identical flow area
In the case of product, the contact area of shell-side fluid and axial notch pipe wall of heat exchange pipe increases, to make heat transfer area increase, this
Outside, the axial fin in pipe gos deep into tube hub area, enhances the heat exchange of center fluid in axial notch heat exchange tube, this structure
It can make that heat transfer coefficient of heat exchanger is greatly improved but on-way resistance amplification is little, be particularly suitable for the heat exchange of high viscosity fluid.
The configuration of the present invention is simple is easy to unpick and wash and repair, and can be applied in the industrial heat exchanges equipment such as evaporator, heat exchanger, has extensive
Market application prospect.
Description of the drawings
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described.Obviously, described attached drawing is a part of the embodiment of the present invention, rather than is all implemented
Example, those skilled in the art without creative efforts, can also be obtained according to these attached drawings other designs
Scheme and attached drawing.
Fig. 1 is the structural schematic diagram of the present invention；
Fig. 2 is the structural schematic diagram of axial groove heat exchange tube in the present invention；
Fig. 3 is the sectional view of axial groove heat exchange tube in the present invention；
Reference numeral：
1, shell；2, axial notch heat exchanger tube；3, left end cap；4, right end cap；5, tube side fluid inlet；6, tube side fluid goes out
Mouthful；7, shell side fluid inlet；8, shell side fluid outlet；201, axial notch.
Specific implementation mode
The technique effect of the design of the present invention, concrete structure and generation is carried out below with reference to embodiment and attached drawing clear
Chu is fully described by, to be completely understood by the purpose of the present invention, feature and effect.Obviously, described embodiment is this hair
Bright a part of the embodiment, rather than whole embodiments, based on the embodiment of the present invention, those skilled in the art are not being paid
The other embodiment obtained under the premise of creative work, belongs to the scope of protection of the invention.In addition, be previously mentioned in text
All connection/connection relations not singly refer to component and directly connect, and refer to that can be added deduct according to specific implementation situation by adding
Few couple auxiliary, to form more preferably coupling structure.Each technical characteristic in the invention, in not conflicting conflict
Under the premise of can be with combination of interactions.
- Fig. 3 referring to Fig.1, a kind of axial notch heat exchanger tube double pipe heat exchanger, including shell 1, it is connected to 1 both ends of shell
Left end cap 3 and right end cap 4,1 both ends of the shell be respectively equipped with tube side fluid flow to opposite shell side fluid inlet 7 and
Shell side fluid outlet 8 further includes being located in shell 1 and the axial notch heat exchanger tube 2 coaxial with shell 1, the axial notch change
Circumferentially there are at least two axial notches 201 in the outer surface of heat pipe 2 so that in the case of identical actual internal area, shell
Contact area increases between Cheng Liuti and the tube wall of axial notch heat exchanger tube 2, and to make heat transfer area increase, while the axial direction is recessed
The inner surface of slot heat exchanger tube 2 has axial fin corresponding with outer surface axial notch 201, the axial direction fin deeply axial
The tube hub area of groove heat exchange tube 2, enhances the heat exchange that axial notch heat exchanger tube 2 manages interior center fluid, this structure can make to change
Hot device heat transfer coefficient is greatly improved but on-way resistance amplification is little, is particularly suitable for the heat exchange of high viscosity fluid, the axis
Fixed in the end cap of left and right to the both ends of groove heat exchange tube 2,1 inner surface of the shell, 2 outer surface of axial notch heat exchanger tube and
Cricoid shell side cavity is formed between left end cap 3 and right end cap 4, strengthens the radial mixing of shell-side fluid, and increases shell side
The turbulivity of fluid itself, improves convection transfer rate.
As a further improvement of the above technical scheme, the axial notch heat exchanger tube 2 is passed through crowded by metal material pipe
Pressing formation, it is simple for process, and the intensity of the tubing shaped and toughness are also improved.
As a further improvement of the above technical scheme, steel, cast iron, copper, titanium, ceramics or glass can be used in the shell 1
Any one of or two kinds of materials.
As a further improvement of the above technical scheme, the axial fin of 201 pipe internal surface of the axial notch is equidistant
Distribution, can be such that the flowing of outer fluid in axial notch heat exchanger tube 2 is uniformly distributed.
The better embodiment of the present invention is illustrated above, but the invention is not limited to the implementation
Example, those skilled in the art can also make various equivalent modifications or be replaced under the premise of without prejudice to spirit of that invention
It changes, these equivalent modifications or replacement are all contained in the application claim limited range.
Claims (4)
1. a kind of axial notch heat exchanger tube double pipe heat exchanger, including the shell of tubulose, be connected to shell both ends left end cap and
Right end cap, the shell both ends are respectively equipped with flows to opposite shell side fluid inlet and shell side fluid outlet with tube side fluid,
It is characterized in that：Further include setting the axial notch heat exchanger tube coaxial inside the shell and with shell, outside the axial notch heat exchanger tube
Circumferentially there are at least two axial notches on surface, and the inner surface of the axial notch heat exchanger tube is with corresponding with outer surface
Axial fin, left and right end cap, the inner surface of outer cover, axial notch heat exchange are run through in the both ends of the axial notch heat exchanger tube
Cricoid shell side cavity is formed between the outer surface of pipe and left and right end cap.
2. a kind of axial notch heat exchanger tube double pipe heat exchanger according to claim 1, it is characterised in that：The axial direction is recessed
Slot heat exchanger tube is molding by extrusion by metal material pipe.
3. a kind of axial notch heat exchanger tube double pipe heat exchanger according to claim 1, it is characterised in that：The shell is adopted
With any one of steel, cast iron, copper, titanium, ceramics or glass or two kinds of materials.
4. a kind of axial notch heat exchanger tube double pipe heat exchanger according to claim 1, it is characterised in that：The axial direction is recessed
The axial fin equidistantly distributed of barrel inner surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810139669.7A CN108332583A (en) | 2018-02-11 | 2018-02-11 | A kind of axial notch heat exchanger tube double pipe heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810139669.7A CN108332583A (en) | 2018-02-11 | 2018-02-11 | A kind of axial notch heat exchanger tube double pipe heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108332583A true CN108332583A (en) | 2018-07-27 |
Family
ID=62928795
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810139669.7A Pending CN108332583A (en) | 2018-02-11 | 2018-02-11 | A kind of axial notch heat exchanger tube double pipe heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108332583A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109443051A (en) * | 2018-11-20 | 2019-03-08 | 佛山科学技术学院 | A kind of double pipe heat exchanger |
| CN112815344A (en) * | 2020-12-16 | 2021-05-18 | 吴媛媛 | Boiler tail gas treatment device with cooling function and tail gas treatment process |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11237192A (en) * | 1998-02-24 | 1999-08-31 | Tennex Corp | Egr gas cooler for internal combustion engine |
| CN102032827A (en) * | 2010-11-30 | 2011-04-27 | 上海科米钢管有限公司 | Process for processing heating jacket of heat exchange pipe |
| CN202442614U (en) * | 2012-01-30 | 2012-09-19 | 徐成义 | Bushing type heat exchanger |
| CN202709811U (en) * | 2012-08-24 | 2013-01-30 | 高玉琴 | Air cooler |
| CN103940263A (en) * | 2013-01-21 | 2014-07-23 | 姜堰市泰怡金属网管有限公司 | Heating water heater |
| CN205860827U (en) * | 2016-08-10 | 2017-01-04 | 佛山科学技术学院 | Spiral elliptical tube double pipe heat exchanger |
| CN206073761U (en) * | 2016-08-24 | 2017-04-05 | 佛山科学技术学院 | Groove heat exchange tube |
| CN208059638U (en) * | 2018-02-11 | 2018-11-06 | 佛山科学技术学院 | A kind of axial notch heat exchanger tube double pipe heat exchanger |
-
2018
- 2018-02-11 CN CN201810139669.7A patent/CN108332583A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11237192A (en) * | 1998-02-24 | 1999-08-31 | Tennex Corp | Egr gas cooler for internal combustion engine |
| CN102032827A (en) * | 2010-11-30 | 2011-04-27 | 上海科米钢管有限公司 | Process for processing heating jacket of heat exchange pipe |
| CN202442614U (en) * | 2012-01-30 | 2012-09-19 | 徐成义 | Bushing type heat exchanger |
| CN202709811U (en) * | 2012-08-24 | 2013-01-30 | 高玉琴 | Air cooler |
| CN103940263A (en) * | 2013-01-21 | 2014-07-23 | 姜堰市泰怡金属网管有限公司 | Heating water heater |
| CN205860827U (en) * | 2016-08-10 | 2017-01-04 | 佛山科学技术学院 | Spiral elliptical tube double pipe heat exchanger |
| CN206073761U (en) * | 2016-08-24 | 2017-04-05 | 佛山科学技术学院 | Groove heat exchange tube |
| CN208059638U (en) * | 2018-02-11 | 2018-11-06 | 佛山科学技术学院 | A kind of axial notch heat exchanger tube double pipe heat exchanger |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109443051A (en) * | 2018-11-20 | 2019-03-08 | 佛山科学技术学院 | A kind of double pipe heat exchanger |
| CN112815344A (en) * | 2020-12-16 | 2021-05-18 | 吴媛媛 | Boiler tail gas treatment device with cooling function and tail gas treatment process |
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