CN206146272U - Crisscross concave surface pipe shell and tube type heat exchanger - Google Patents
Crisscross concave surface pipe shell and tube type heat exchanger Download PDFInfo
- Publication number
- CN206146272U CN206146272U CN201621246178.5U CN201621246178U CN206146272U CN 206146272 U CN206146272 U CN 206146272U CN 201621246178 U CN201621246178 U CN 201621246178U CN 206146272 U CN206146272 U CN 206146272U
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- Prior art keywords
- concave surface
- tube
- heat exchanger
- pipe shell
- staggeredly
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Abstract
The utility model discloses a crisscross concave surface pipe shell and tube type heat exchanger, including the casing, with casing fixed connection's left tube sheet and right tube sheet, be fixed with between left tube sheet and the right tube sheet with casing axis parallel and both ends and a left side, the communicating a plurality of groups heat exchange tube of right seal head, the heat exchange tube is by the fixed stay of baffling board, heat exchange tube body outer wall is equipped with bilateral symmetry's the left concave surface and the upper concave surface and lower concave surface of right concave surface and longitudinal symmetry. The utility model discloses a crisscross concave surface pipe shell and tube type heat exchanger, the left and right sides at the body outer wall sets up spherical concave surface with interlocking from top to bottom, form and the corresponding spherical convex surface of body outer wall concave surface in the body, make the change of the size and orientation occurs periodically nature of the interior fluid speed of body, fluidic torrent degree has been strengthened, the vectorial contained angle of velocity vector and temperature gradient diminishes in the boundary layer, heat transfer field synergy acts on the enhancement, especially, can improve the heat exchange efficiency between the dirty gas, simple process is just produced to easy the washing, and lower cost.
Description
Technical field
The utility model is related to field of heat exchangers, more particularly to a kind of concave surface pipe shell-and-tube heat exchanger that interlocks.
Background technology
At present the heat exchanger tube major part used in heat transmission equipment is plain tube, also there is some augmentation of heat transfer pipes, such as contract
Pipe, band pipe, bellows tube etc. are put, the shortcoming of plain tube is that convection transfer rate is little, and shaped telescopic tube, band pipe, bellows tube etc. are strong
Though the convective heat-transfer coefficient for changing heat-transfer pipe is improved, resistance also increases, easy fouling, and is situated between respectively for different heat transfers
Matter, narrow application range, at present than relatively low, the heat exchanger tube cooling medium of such as one-way spiral line exists the heat exchange efficiency of existing heat exchanger tube
Disturbed by helix during flowing, formed a certain degree of turbulent flow, increased heat transfer effect, but disturbance is less, at tube hub
Still with laminar flow flowing；Although and increase insert heat transfer effect in managing preferably, increased flow resistance, manage in addition in knot
It is difficult to clean after dirt, heat transfer coefficient is little when particularly with gas as heat transfer medium, and rate of heat transfer is low.
Utility model content
Task of the present utility model is to provide a kind of applicable multiple fluid, the little easy cleaning of flow resistance and can improve in body
Heart flow disturbance, heat-transfer effect is good, and the staggeredly concave surface pipe shell-and-tube for being particularly suited for improving the heat exchanger effectiveness of dusty gas is changed
Hot device with solve prior art presence deficiency.
The utility model is achieved through the following technical solutions utility model purpose：
One kind is interlocked concave surface pipe shell-and-tube heat exchanger, including the left tube sheet that is fixedly connected with the housing of housing and right pipe
Plate, is fixed with housing diameter parallel and some groups of heat exchanger tubes that two ends communicate with left and right end socket between left tube sheet and right tube plate,
Heat exchanger tube is fixed by deflection plate and supported, and the heat exchanger tube tube wall is provided with symmetrical left concave surface and right concave surface and up and down
Symmetrical upper recess surface and concave surface.
Further, the left concave surface and right concave surface are crisscross arranged with upper recess surface and concave surface, and inboard wall of tube body is correspondingly formed
Symmetrical left convex surface and right convex surface and laterally zygomorphic upper convex surface and lower convex surface, thus, formed in body and body
The corresponding convex surface of outer wall concave surface, makes the change of the size and Orientation generating period of body fluid velocity inside, enhances fluid
Turbulent extent, the angle of velocity and temperature gradient vector diminishes in boundary layer, thermal field synergy strengthen, improve
Convection transfer rate.
Further, the left concave surface, right concave surface, upper recess surface and concave surface be hemispherical or semielliptical shape, all recessed
Face is smoothly connected with body Jing circular arcs, due to all concave surfaces are hemispherical or semielliptical shape and with body pass through the smooth company of circular arc
Connect, fluid resistance is little, upper and lower, symmetrical all convex surfaces are formed in body makes fluid in body constantly change flowing side
To, it is less scaling, it is easy to cleaning.
Further, all concave surfaces of the heat exchanger tube tube wall are formed as base tube Jing is extruded with straight tube, by
This simple production process, cost is relatively low.
Further, the body is made by copper pipe, stainless steel tube or seamless titanium tube.It is applicable to the stream of various properties
Body, extends the service life of heat exchanger tube.
Further, the concave surface pipeline section that interlocks is formed between the left concave surface and right concave surface and upper recess surface and concave surface, it is described
Staggeredly the pitch of concave surface pipeline section is 1～3 times of concave radius, staggeredly convex surface pipeline section corresponding in body is continuously changed
Fluid flow direction, enhances the heat transfer of center fluid in pipe, and staggeredly the pitch of concave surface pipeline section is changeable, depending on heat exchanging
Depending on the resistance of device, it is uniformly distributed along tube length direction, concave surface pitch is excessive, it is impossible to effectively improve heat convection system
Number, the amplification of the too small meeting larger fluid on-way resistance of pitch.
Further, the left end socket and right seal head end portion are respectively equipped with tube-side inlet and tube side outlet, and housing top is left
End and lower housing portion right-hand member are respectively equipped with shell-side outlet and shell side inlet.
Further, the heat exchanger tube is square or rounded projections arranged, and the deflection plate is arch or disk-and-doughnut
Shape.
The staggeredly concave surface pipe shell-and-tube heat exchanger that the utility model is provided has advantages below：
1st, heat exchanger tube tube wall left and right and the spherical concave surface that is crisscross arranged up and down, formed and tube wall in body
The corresponding spherical convex surface of concave surface, makes the change of the size and Orientation generating period of body fluid velocity inside, enhances fluid
Turbulent extent, the angle of velocity and temperature gradient vector diminishes in boundary layer, thermal field synergy strengthen, improve
Convection transfer rate.
2nd, body upper recess surface is in charge of and body is and is smoothly connected due to changing, fluid resistance is little, and corresponding in body
Upper and lower, symmetrical spherical convex surface is formed, tube fluid constantly changes flow direction, strengthens flow disturbance, and it is right to improve
The stream coefficient of heat transfer, and less scaling and dust stratification, are particularly suited for improving the heat exchanger effectiveness of dusty gas.
3rd, the concave surface pipeline section that interlocks is formed between left and right concave surface and upper and lower concave surface, staggeredly the concave surface pitch of concave surface pipeline section is 1
～3 times of concave radius, enable staggeredly convex surface pipeline section corresponding in body continuously to change fluid flow direction, enhance body
The heat transfer of interior center fluid.
4th, the concave surface pipe processing that interlocks is simple, staggeredly the manufacture of concave surface pipe shell-and-tube heat exchanger and assembly technology and traditional plain tube
Pipe shell type heat exchange is identical, without the need for increasing extra technique.
Description of the drawings
Fig. 1 is a kind of structural representation of embodiment of the utility model；
Fig. 2 is the structural representation of heat exchanger tube in Fig. 1；
Fig. 3 is the section enlarged diagram at Fig. 2 midship section A1-A1；
Fig. 4 is the section enlarged diagram at Fig. 2 midship section A2-A2；
Wherein：1-housing, 2-left tube sheet, 3-right tube plate, 4-left end socket, 5-right end socket, 6-heat exchanger tube, 61-pipe
Body, 62-left concave surface, 63-right concave surface, 64-upper recess surface, 65-concave surface, 66-left convex surface, 67-right convex surface, 68-convex
Face, 69-lower convex surface, 610-circular arc, 611-interlock concave surface pipeline section, 7-deflection plate, 8-tube-side inlet, the outlet of 9-tube side,
10-shell-side outlet, 11-shell side inlet.
Specific embodiment
Embodiment of the present utility model is described in further detail below in conjunction with the accompanying drawings.Wherein, accompanying drawing is only used for
Exemplary illustration, expression is only schematic diagram, rather than pictorial diagram, it is impossible to be interpreted as the restriction to this patent；In order to preferably say
Bright embodiment of the present utility model, accompanying drawing some parts have omission, zoom in or out, and do not represent the size of actual product；
It will be understood by those skilled in the art that some known features and its possible omission of explanation will be understood by accompanying drawing.
The corresponding same or analogous part of same or analogous label in the accompanying drawing of the utility model embodiment；In this practicality
In new description, it is to be understood that if having term " on ", D score, the orientation of the instruction such as "left", "right" or position relationship be
Based on orientation shown in the drawings or position relationship, it is for only for ease of description the utility model and simplifies description, rather than indicates
Or imply that the device or element of indication must be with specific orientation, to retouch in specific azimuth configuration and operation, therefore accompanying drawing
Term the being for illustration only property explanation of position relationship is stated, it is impossible to be interpreted as the restriction to this patent, for the common skill of this area
For art personnel, the concrete meaning of above-mentioned term can be as the case may be understood.
As shown in Figures 1 to 4, what a kind of concave surface pipe shell-and-tube heat exchanger that interlocks, including housing 1 was fixedly connected with housing 1
Left tube sheet 2 and right tube plate 3, be fixed between left tube sheet 2 and right tube plate 3 with the diameter parallel of housing 1 and two ends respectively with left end socket
4th, some groups of heat exchanger tubes 6 that right end socket 5 is communicated, in order that manufacture craft simply reduces production cost, the tube wall of heat exchanger tube 6
All concave surfaces are formed as base tube Jing is extruded with straight tube, and body 61 is made by stainless steel tube, and copper pipe or seamless may also be employed
Titanium tube makes.Heat exchanger tube 6 fixes support by deflection plate 7, and the outer wall of 6 body of heat exchanger tube 61 is provided with symmetrical left concave surface 62 and the right side
Concave surface 63 and laterally zygomorphic upper recess surface 64 and concave surface 65, left concave surface 62 and right concave surface 63 and upper recess surface 64 and concave surface 65
It is crisscross arranged, the inwall of body 61 is correspondingly formed symmetrical left convex surface 66 and right convex surface 67 and laterally zygomorphic upper convex surface 68
With lower convex surface 69.
Wherein, left concave surface 62, right concave surface 63, upper recess surface 64 and concave surface 65 are hemispherical, it is also possible in elliposoidal, institute
There is concave surface to be smoothly connected with the Jing circular arcs 610 of body 61, such tube fluid resistance is little, forms upper and lower, symmetrical in body
All convex surfaces make fluid in body constantly change flow direction, it is less scaling, be easy to cleaning.
Additionally, forming the concave surface pipeline section 611 that interlocks between left concave surface 62 and right concave surface 67 and upper recess surface 68 and concave surface 69, hand over
The length of wrong concave surface pipeline section 611 is 7 for the quantity of 1 times of concave radius, left concave surface 62 and right concave surface 63, upper recess surface 64 and recessed
The quantity in face 65 is 6, and left and right concave surface is mainly according to tube length to determine with the quantity of upper and lower concave surface, and quantity is very few
Effectively heat transfer area can not be increased and improve convection transfer rate, the amplification of excessively meeting larger fluid on-way resistance is set.
Wherein, left end socket 4 and the end of right end socket 5 be respectively equipped with tube-side inlet 8 and tube side outlet 9, the top left end of housing 1 and
The bottom right-hand member of housing 1 is respectively equipped with shell-side outlet 10 and shell side inlet 11.
In addition, heat exchanger tube 6 is square arrangement, it is also possible to be triangularly arranged, the deflection plate 7 as tube bundle support is circle
Disk-annular, or arch.
Above-described is only some embodiments of the present utility model.For the person of ordinary skill of the art,
On the premise of design is created without departing from the utility model, some deformations and improvement can also be made, these belong to this practicality
New protection domain.
Claims (8)
1. a kind of concave surface pipe shell-and-tube heat exchanger that interlocks, it is characterised in that：Including the left pipe that housing is fixedly connected with the housing
Plate and right tube plate, are fixed with housing diameter parallel between left tube sheet and right tube plate and two ends are some with what left and right end socket was communicated
Group heat exchanger tube, heat exchanger tube is fixed by deflection plate and supported, and the heat exchanger tube tube wall is provided with symmetrical left concave surface and the right side is recessed
Face and laterally zygomorphic upper recess surface and concave surface.
2. staggeredly concave surface pipe shell-and-tube heat exchanger according to claim 1, it is characterised in that：The left concave surface and right concave surface
It is crisscross arranged with upper recess surface and concave surface, inboard wall of tube body is correspondingly formed symmetrical left convex surface and right convex surface and symmetrical above and below
Upper convex surface and lower convex surface.
3. staggeredly concave surface pipe shell-and-tube heat exchanger according to claim 2, it is characterised in that：The left concave surface, right concave surface,
Upper recess surface and concave surface be hemispherical or semielliptical shape, and all concave surfaces are smoothly connected with body Jing circular arcs.
4. staggeredly concave surface pipe shell-and-tube heat exchanger according to claim 2, it is characterised in that：The heat exchanger tube tube wall
All concave surfaces be with straight tube as base tube Jing extrude and formed.
5. staggeredly concave surface pipe shell-and-tube heat exchanger according to claim 2, it is characterised in that：The body by copper pipe, no
Rust steel pipe or seamless titanium tube make.
6. staggeredly concave surface pipe shell-and-tube heat exchanger according to claim 2, it is characterised in that：The left concave surface and right concave surface
The concave surface pipeline section that interlocks is formed between upper recess surface and concave surface, the concave surface pitch of the staggeredly concave surface pipeline section is 1～3 times of concave surface
Diameter, institute is with concave surfaces equivalently-sized.
7. staggeredly concave surface pipe shell-and-tube heat exchanger according to claim 1, it is characterised in that：
The left end socket and right seal head end portion are respectively equipped with tube-side inlet and tube side outlet, and housing top left end and lower housing portion are right
End is respectively equipped with shell-side outlet and shell side inlet.
8. staggeredly concave surface pipe shell-and-tube heat exchanger according to claim 1, it is characterised in that：The heat exchanger tube is square
Or rounded projections arranged, the deflection plate is arch or disk-and-doughnut shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621246178.5U CN206146272U (en) | 2016-11-14 | 2016-11-14 | Crisscross concave surface pipe shell and tube type heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621246178.5U CN206146272U (en) | 2016-11-14 | 2016-11-14 | Crisscross concave surface pipe shell and tube type heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206146272U true CN206146272U (en) | 2017-05-03 |
Family
ID=58626621
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621246178.5U Expired - Fee Related CN206146272U (en) | 2016-11-14 | 2016-11-14 | Crisscross concave surface pipe shell and tube type heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206146272U (en) |
Cited By (3)
| 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 |
| CN109579608A (en) * | 2018-12-28 | 2019-04-05 | 杭州简弈科技有限公司 | A kind of the Fouling Cleaning equipment and its control method of tubular heat exchanger |
| CN112710170A (en) * | 2020-12-30 | 2021-04-27 | 佛山科学技术学院 | Shell and tube heat exchanger |
-
2016
- 2016-11-14 CN CN201621246178.5U patent/CN206146272U/en not_active Expired - Fee Related
Cited By (4)
| 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 |
| CN109579608A (en) * | 2018-12-28 | 2019-04-05 | 杭州简弈科技有限公司 | A kind of the Fouling Cleaning equipment and its control method of tubular heat exchanger |
| CN112710170A (en) * | 2020-12-30 | 2021-04-27 | 佛山科学技术学院 | Shell and tube heat exchanger |
| CN112710170B (en) * | 2020-12-30 | 2022-07-15 | 佛山科学技术学院 | Shell-and-tube 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: 20170503 Termination date: 20171114 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |