CN207991332U - A kind of concave surface heat exchanger tube double pipe heat exchanger that interlocks - Google Patents
A kind of concave surface heat exchanger tube double pipe heat exchanger that interlocks Download PDFInfo
- Publication number
- CN207991332U CN207991332U CN201820250005.3U CN201820250005U CN207991332U CN 207991332 U CN207991332 U CN 207991332U CN 201820250005 U CN201820250005 U CN 201820250005U CN 207991332 U CN207991332 U CN 207991332U
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- CN
- China
- Prior art keywords
- concave surface
- heat exchanger
- shell
- exchanger tube
- staggeredly
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Abstract
The utility model discloses a kind of concave surface heat exchanger tube double pipe heat exchangers that interlocks,Including shell,Staggeredly concave surface heat exchanger tube,Left end cap and right end cap,The staggeredly left and right of concave surface heat exchange pipe external surface and the spherical concave surface that is staggered up and down,And form spherical convex surface corresponding with outer surface of tube body in inner surface of tube body,Make the size and Orientation of the fluid velocity in shell side cavity that periodic change have occurred,Increase the turbulent extent of shell-side fluid,Also the disturbance of fluid is strengthened,Improve convection transfer rate,Simultaneously,Upper recess surface and concave surface are staggered with left concave surface and right concave surface,So that the sectional area also cyclically-varying therewith in tube body,When flowing through concave surface,The big sectional area of flow velocity is small,Flow velocity small cross-sectional area is big when flowing through left and right concave surface,Flow when therefore flowing through concave surface and flowing through left and right concave surface is unchanged,But the synergistic effect of thermal field enhances,The heat exchanger effectiveness of heat exchanger is effectively improved.The utility model is simple in structure easily removable and washable, and application prospect is extensive.
Description
Technical field
The utility model belongs to heat-transfer equipment field, and in particular to a kind of concave surface heat exchanger tube double pipe heat exchanger that interlocks.
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.
Utility model content
The utility model devises a kind of concave surface heat exchanger tube double pipe heat exchanger that interlocks, to solve to carry in above-mentioned background technology
To the problem of and deficiency.
The solution that the utility model solves its technical problem is：A kind of concave surface heat exchanger tube double pipe heat exchanger that interlocks,
Shell including tubulose, the left end cap and right end cap for being connected to shell both ends, the shell both ends are respectively equipped with and tube side fluid
Flow to opposite shell side fluid inlet and shell side fluid outlet, further include set inside the shell and with shell it is coaxial staggeredly concave surface
The outer surface of heat exchanger tube, the staggeredly concave surface heat exchanger tube is equipped with continuous and symmetrical above and below upper recess surface and concave surface and company in an axial direction
Continuous and symmetrical left concave surface and right concave surface, while upper recess surface and concave surface are staggered with left concave surface and right concave surface, it is described
Upper recess surface, concave surface, left concave surface, right concave surface are spherical concave surface and are smoothly connected with tube surfaces, the staggeredly concave surface heat exchange
The inner surface of pipe has upper convex surface corresponding with outer surface, lower convex surface, left convex surface, right convex surface, the staggeredly concave surface heat exchanger tube
Both ends run through left and right end cap, the inner surface of outer cover, staggeredly form ring between concave surface heat exchange pipe external surface and left and right end cap
The shell side cavity of shape.
As a further improvement of the above technical scheme, the staggeredly concave surface heat exchanger tube passes through extruding by metal material pipe
Forming.
As a further improvement of the above technical scheme, shape between the upper recess surface and concave surface and left concave surface and right concave surface
At staggeredly concave surface pipeline section, the concave surface pitch of the staggeredly concave surface pipeline section is 1~3 times of concave radius, institute's size phase with concave surfaces
Together.
As a further improvement of the above technical scheme, the shell is using any one of steel, cast iron, copper, titanium material.
The utility model has the beneficial effects that：The utility model is using the concave surface heat exchanger tube that interlocks as double pipe heat exchanger
Inner tube, the staggeredly left and right of concave surface heat exchange pipe external surface and the spherical concave surface that is staggered up and down, and inner surface of tube body form with
The corresponding spherical convex surface of outer surface of tube body makes the size and Orientation of the fluid velocity in shell side cavity have occurred and periodically changes
Become, increases the turbulent extent of shell-side fluid, also strengthen the disturbance of fluid, improve convection transfer rate, meanwhile, upper recess surface
It is staggered with concave surface and left concave surface and right concave surface so that the sectional area also cyclically-varying therewith in tube body flows through
When concave surface, the big sectional area of flow velocity is small, and flow velocity small cross-sectional area is big when flowing through left and right concave surface, therefore flows through concave surface and flow through a left side
Flow when right concave surface is unchanged, but the synergistic effect enhancing of thermal field, heat transfer efficiency are effectively improved.In addition, shell
Inner surface staggeredly forms ring cavity between the outer surface and two end cap of concave surface heat exchanger tube, strengthens shell-side fluid and radially mixes,
The turbulivity for increasing shell-side fluid itself, improves convection transfer rate.The utility model is simple in structure to be easy to unpick and wash and tie up
It repaiies, can be applied to a variety of industrial heat exchange equipment, there is extensive market application prospect.
Description of the drawings
It is required in being described below to embodiment in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly described.Obviously, described attached drawing is a part of the embodiment of the utility model, rather than complete
Portion's embodiment, those skilled in the art without creative efforts, can also be obtained according to these attached drawings it
His design scheme and attached drawing.
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 be in the utility model interlock concave surface heat exchanger tube structural schematic diagram；
Fig. 3 is the section enlarged diagram at A-A in Fig. 2；
Fig. 4 is the section enlarged diagram at A1-A1 in Fig. 2；
Fig. 5 is the section enlarged diagram at A2-A2 in Fig. 2；
Reference numeral：
1, shell；2, interlock concave surface 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, upper recess surface；202, concave surface；203, left concave surface；204, right concave surface；
205, upper convex surface；206, lower convex surface；207, left convex surface；208, right convex surface；209, tube body；210, circular arc.
Specific implementation mode
The technique effect of the design of the utility model, concrete structure and generation is carried out below with reference to embodiment and attached drawing
It clearly and completely describes, to be completely understood by the purpose of this utility model, feature and effect.Obviously, described embodiment
It is a part of the embodiment of the utility model, rather than whole embodiments, it is based on the embodiments of the present invention, the skill of this field
The other embodiment that art personnel are obtained without creative efforts belongs to the model of the utility model protection
It encloses.In addition, all connection/connection relations being previously mentioned in text, not singly refer to component and directly connect, and referring to can be according to specific reality
Situation is applied, by adding or reducing couple auxiliary, to form more preferably coupling structure.Each technology in the utility model creation
Feature, can be with combination of interactions under the premise of not conflicting conflict.
- Fig. 5 referring to Fig.1, one kind are interlocked concave surface heat exchanger tube double pipe heat exchanger, including the shell 1 of tubulose, are connected to shell
The left end cap and right end cap at 1 both ends, the shell 1 both ends are respectively equipped with flows to opposite shell side fluid inlet with tube side fluid
7 and shell side fluid outlet 8, further include being located in shell 1 and the staggeredly concave surface heat exchanger tube 2 coaxial with shell 1, the concave surface that interlocks
2 outer surface of heat exchanger tube is equipped with continuous and symmetrical above and below upper recess surface 201 and concave surface 202 and continuous and symmetrical in an axial direction
Left concave surface 203 and right concave surface 204, while upper recess surface 201 and concave surface 202 are staggeredly set with left concave surface 203 and right concave surface 204
It sets so that the sectional area also cyclically-varying therewith in tube body 209, that is, when flowing through concave surface 202, the big sectional area of flow velocity is small,
Flow velocity small cross-sectional area is big when flowing through left and right concave surface 204, therefore flow when flowing through concave surface 202 and flowing through left and right concave surface 204
It is unchanged, but the synergistic effect enhancing of thermal field, the heat exchanger effectiveness of heat exchanger are effectively improved, the upper recess surface 201,
Concave surface 202, left concave surface 203, right concave surface 204 are spherical concave surface and are smoothly connected with 209 surface of tube body so that fluid resistance
Small, the inner surface of the staggeredly concave surface heat exchanger tube 2 has upper convex surface 205 corresponding with outer surface, lower convex surface 206, left convex surface
207, right convex surface 208 makes the size and Orientation of the fluid velocity in shell side cavity that periodic change have occurred, increases shell side
The turbulent extent of fluid, the angle of velocity vector and temperature gradient vector becomes smaller in boundary layer, also strengthens the disturbance of fluid,
Convection transfer rate is improved, left and right end cap is run through at the both ends of the staggeredly concave surface heat exchanger tube 2, and 1 inner surface of the shell is handed over
Cricoid shell side cavity is formed between wrong 2 outer surface of concave surface heat exchanger tube and left and right end cap, increases the turbulent flow of shell-side fluid itself
Degree, improves convection transfer rate.
As a further improvement of the above technical scheme, the staggeredly concave surface 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, the upper recess surface 201 and concave surface 202 and left concave surface 203 and the right side
The concave surface pipeline section that interlocks is formed between concave surface 204, the concave surface pitch of the staggeredly concave surface pipeline section is 1~3 times of concave radius, is owned
The size of concave surface is identical so that corresponding staggeredly convex surface pipeline section can continuously change the flow direction of fluid in tube body 209, by force
The heat transfer of fluid at center in tube body 209 is changed.
As a further improvement of the above technical scheme, the shell 1 is using any one of steel, cast iron, copper, titanium material
Material.
The better embodiment of the utility model is illustrated above, but the invention be not limited to it is described
Embodiment, those skilled in the art can also make various equivalent changes without departing from the spirit of the present invention
Type or replacement, these equivalent modifications or replacement are all contained in the application claim limited range.
Claims (4)
1. one kind interlock concave surface 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 staggeredly concave surface heat exchanger tube coaxial inside the shell and with shell, outside the staggeredly concave surface heat exchanger tube
Surface is equipped with continuous and symmetrical above and below upper recess surface and concave surface and continuous and symmetrical left concave surface and right concave surface in an axial direction,
Upper recess surface and concave surface are staggered with left concave surface and right concave surface simultaneously, and the upper recess surface, concave surface, left concave surface, right concave surface are equal
It is smoothly connected for spherical concave surface and with tube surfaces, the inner surface of the staggeredly concave surface heat exchanger tube is with corresponding with outer surface
Upper convex surface, lower convex surface, left convex surface, right convex surface, the both ends of the staggeredly concave surface heat exchanger tube are in left and right end cap, the shell
Surface staggeredly forms cricoid shell side cavity between concave surface heat exchange pipe external surface and left and right end cap.
2. a kind of concave surface heat exchanger tube double pipe heat exchanger that interlocks according to claim 1, it is characterised in that：It is described staggeredly recessed
Face heat exchanger tube is molding by extrusion by metal material pipe.
3. a kind of concave surface heat exchanger tube double pipe heat exchanger that interlocks according to claim 1, it is characterised in that：The upper recess surface
The concave surface pipeline section that interlocks is formed between concave surface and left concave surface and right concave surface, the concave surface pitch of the staggeredly concave surface pipeline section is concave surface
1~3 times of diameter, institute's size with concave surfaces are identical.
4. a kind of concave surface heat exchanger tube double pipe heat exchanger that interlocks according to claim 1, it is characterised in that：The shell is adopted
With any one of steel, cast iron, copper, titanium material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820250005.3U CN207991332U (en) | 2018-02-11 | 2018-02-11 | A kind of concave surface heat exchanger tube double pipe heat exchanger that interlocks |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820250005.3U CN207991332U (en) | 2018-02-11 | 2018-02-11 | A kind of concave surface heat exchanger tube double pipe heat exchanger that interlocks |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207991332U true CN207991332U (en) | 2018-10-19 |
Family
ID=63824605
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820250005.3U Expired - Fee Related CN207991332U (en) | 2018-02-11 | 2018-02-11 | A kind of concave surface heat exchanger tube double pipe heat exchanger that interlocks |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207991332U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108204750A (en) * | 2018-02-11 | 2018-06-26 | 佛山科学技术学院 | A kind of concave surface heat exchanger tube double pipe heat exchanger that interlocks |
| CN109443051A (en) * | 2018-11-20 | 2019-03-08 | 佛山科学技术学院 | A kind of double pipe heat exchanger |
-
2018
- 2018-02-11 CN CN201820250005.3U patent/CN207991332U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108204750A (en) * | 2018-02-11 | 2018-06-26 | 佛山科学技术学院 | A kind of concave surface heat exchanger tube double pipe heat exchanger that interlocks |
| CN109443051A (en) * | 2018-11-20 | 2019-03-08 | 佛山科学技术学院 | A kind of double pipe heat exchanger |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181019 Termination date: 20210211 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |