CN208075629U - A kind of shell-and-tube heat exchanger with spiral baffling structure - Google Patents
A kind of shell-and-tube heat exchanger with spiral baffling structure Download PDFInfo
- Publication number
- CN208075629U CN208075629U CN201820457425.9U CN201820457425U CN208075629U CN 208075629 U CN208075629 U CN 208075629U CN 201820457425 U CN201820457425 U CN 201820457425U CN 208075629 U CN208075629 U CN 208075629U
- Authority
- CN
- China
- Prior art keywords
- heat exchanger
- shell
- baffling structure
- tube
- spiral baffling
- 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.)
- Active
Links
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model discloses a kind of shell-and-tube heat exchanger with spiral baffling structure, including shell, it is fixed on the tube sheet at shell both ends and the heat exchanger tube in shell；The spiral baffling structure to match with heat exchanger tube assembly method is equipped with axially to enclosure interior along shell, is that the trapezoidal baffle plate being in tilted layout and segmental baffle are overlapped and formed by spaced setting and relative to heat exchanger tube；The outer rim of trapezoidal baffle plate is equipped with flanging；Its axial direction conical surface is provided with the peripheral through holes that several intervals were uniformly distributed and were inclination arrangement at the nearly barrel of segmental baffle；It is provided with through flow hole on the pore of segmental baffle bottom；The outer rim of segmental baffle is equipped with groove.Heat exchanger shell-side flow dead zone area can be greatly decreased in this heat exchanger, reduce heat exchanger noise and vibration, and reduce the generation of edge leakage current phenomenon.
Description
Technical field
The utility model is related to a kind of shell-and-tube heat exchanger, especially a kind of pipe shell type heat exchange with spiral baffling structure
Device.
Background technology
There is shell-and-tube heat exchanger firm in structure, manufacture material to derive from a wealth of sources, is adaptable and can utilize and recycle
The advantages that waste heat, is widely used in the fields such as oil, chemical industry, metallurgy, electric power, heat supply.Traditional segmental baffle shell-and-tube
Heat exchanger structure is simple, and manufacture is easy for installation, is a kind of shell-and-tube heat exchanger being most widely used, but such heat exchanger is also deposited
In many drawbacks, under new energy-saving and emission-reduction situation, existing many drawbacks also seem more prominent, such as：Flow dead zone compared with
Greatly, situations such as and there are leakage current, by-pass flows；Shell fluid droop loss is larger, and pump work consumption is big；The presence of flow dead zone makes shell
Side is easy fouling, and heat transfer efficiency is caused to reduce；The suddenly change of fluid flow direction easily causes induced vibration, generates noise and heat exchanger tube
Damage, to cause heat exchanger service life to decline.
The eighties in last century, helical baffles are suggested, and the lateral flow of segmental baffle is become spiral by this structure
Flowing, transversal flow tube bank, which becomes being tilted towards, washes away tube bank, can reduce heat exchanger tube damage, reduce booster rate；But due to spiral shell
Processing and the assembly difficulty for revolving baffle plate are very big, cause its utilization rate not high, later it has been proposed that utilizing intermittent inclination
It overlaps to form helical flow path to baffle plate, and then a kind of mutual using the trapezoidal baffle plate being in tilted layout and single segmental baffle
Every overlap joint the deflector arrangement of shell-side helical flow path is formed to be suggested, which combine helical flow path flow field superiority and
The simplification of segmental baffle process and assemble can reduce shell-side flow crushing while enhancing the coefficient of heat transfer, be it is a kind of compared with
It for ideal deflector arrangement, but finds in actual application, this kind of arrangement remains part stream
Dynamic dead zone and leakage current phenomenon.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of shell-and-tube heat exchanger with spiral baffling structure,
Heat exchanger shell-side flow dead zone area can be greatly decreased in it, reduce heat exchanger noise and vibration, and reduce edge leakage current phenomenon
Generation.
Technical solution adopted by the utility model to solve its technical problems is：A kind of shell with spiral baffling structure
Formula heat exchanger, including shell, be fixed on the shell both ends tube sheet and the heat exchanger tube in shell, along shell axial direction
The spiral baffling structure to match with the heat exchanger tube assembly method is equipped in enclosure interior, the spiral baffling structure is by phase
Mutually interval is arranged and the trapezoidal baffle plate relative to heat exchanger tube inclination arrangement and segmental baffle are overlapped and to be formed, the trapezoidal baffling
The outer rim of plate is equipped with flanging.
Further, the extending direction of the flanging is axially parallel with heat exchanger tube.
Further, the flanging is arc flanging, and the radius of curvature of flanging and the axis projection of trapezoidal baffle plate are justified
Radius is identical.
Further, at the nearly barrel of the segmental baffle along its axial direction conical surface be provided with it is several interval be uniformly distributed and
For the peripheral through holes of inclination arrangement.
Further, the peripheral through holes are round hole.
Further, it is provided with and several is uniformly distributed along pore is circumferentially-spaced on the pore of the segmental baffle bottom
And through the through flow hole of segmental baffle.
Further, the upper layer through flow hole flow area on the segmental baffle is less than lower layer's through flow hole flow area；Institute
The through flow hole stated is square hole.
Further, the outer rim of the segmental baffle is equipped with several along its arc to being spaced equally distributed groove.
Further, the groove is rectangular recess or triangular groove.
Further, the segmental baffle is single segmental baffle.
The utility model has the beneficial effects that：
Firstly, since the baffling structure of this heat exchanger is combined to be formed with segmental baffle using trapezoidal baffle plate
Spiral baffling structure, therefore, it not only solves the technical problem of helical baffles processing and assembly difficulty, improves spiral folding
The popularity rate of flowing plate, and it can also provide Flow Field Performance very excellent helical flow path to heat exchanger, to ensure heat exchanger
Heat exchange efficiency reduce pump work in addition, this heat exchanger with spiral baffling structure can also reduce the flowing crushing of shell fluid
Consumption.
It secondly, can by the way that extending direction and heat exchanger tube axially parallel arc flanging is arranged in trapezoidal baffle plate outer rim
The edge leakage current caused by fluid spiral flow centrifuge power is reduced, and slows down shock of the fluid to barrel, reduces noise and vibration,
The trapezoidal baffle plate rigidity of structure of itself can also be enhanced.
Again, by the way that peripheral through holes are arranged at the nearly barrel of segmental baffle and on the pore of segmental baffle bottom
Through flow hole is set, so as to reduce flow dead zone area, increases heat-transfer surface utilization rate, achievees the purpose that improve heat exchange efficiency.
Finally, groove is set in segmental baffle outer rim, leakage current flow resistance can be increased, it is short to reach reduction fluid
The purpose on road.
Description of the drawings
Fig. 1 is the dimensional structure diagram for the shell-and-tube heat exchanger that the utility model has spiral baffling structure；
Fig. 2 is the structural schematic diagram of trapezoidal baffle plate；
Fig. 3 is the structural schematic diagram for the segmental baffle that through flow hole is arranged on pore；
Fig. 4 is the sectional view along A-A of Fig. 3；
Fig. 5 is the structural schematic diagram that peripheral through holes are arranged on segmental baffle；
Fig. 6 is the sectional view along A-A of Fig. 5；
Fig. 7 is the B-B direction sectional view of Fig. 5；
In figure label for：1- shells, 2- tube sheets, 3- heat exchanger tubes, the trapezoidal baffle plates of 4-, 5- segmental baffles, 6- flangings, 7-
Peripheral through holes, 8- pores, 9- through flow holes, 10- grooves.
Specific implementation mode
The utility model is described in further detail with reference to the accompanying drawings and examples.
As shown in Fig. 1-Fig. 7, the shell-and-tube heat exchanger with spiral baffling structure of the utility model, including circular cylindrical shell
Body 1, the tube sheet 2 for being fixed on 1 both ends of the shell and the heat exchanger tube 3 in shell 1, the tube sheet 2 are equipped with several
Pore, pore that the both ends of the heat exchanger tube 3 are each passed through on two pieces of tube sheets 2 are simultaneously fixedly connected with tube sheet 2；Along shell
1 is internally provided with the spiral baffling structure to match with 3 assembly method of the heat exchanger tube, the spiral baffling axially to shell 1
The trapezoidal baffle plate 4 and the overlap joint of segmental baffle 5 that structure is in tilted layout by spaced setting and relative to heat exchanger tube 3 are formed,
Segmental baffle 5 herein is single segmental baffle；The outer rim windward side of the trapezoidal baffle plate 4 is equipped with arc flanging 6, described
The extending direction of flanging 6 and axial parallel, the axis projection radius of circle of the radius of curvature of flanging 6 and trapezoidal baffle plate 4 of heat exchanger tube 3
Identical, the dog-ear at 4 both ends of trapezoidal baffle plate is axial perpendicular to heat exchanger tube 3, and extend to 1 horizontal central plane of shell hereinafter, to
It is docked with segmental baffle 5 convenient for it；The sharp corner of the flanging 6 should carry out rounding processing, with anti-scratch；Heat exchanger tube 3 passes through
The pore 8 opened up on trapezoidal baffle plate 4 and segmental baffle 5.
As a preferred embodiment, being provided on the pore 8 of 5 bottom of the segmental baffle between several 8 circumferential directions along pore
Every being uniformly distributed and through the rectangular through flow hole 9 of segmental baffle 5；By being arranged on the pore 8 of 5 bottom of segmental baffle
Through flow hole 9 can also make segment fluid flow flow through through flow hole 9, can not only reduce arch baffling in this way after heat exchanger tube 3 passes through pore 8
Flow dead zone area at 5 nearly barrel of plate, moreover it is possible to this region heat exchange area is utilized, to increase heat exchange efficiency.In addition, working as arch
When pore 8 on baffle plate 5 is more, through flow hole 9 can be added on upper layer pore 8, and the setting of upper layer through flow hole 9 should make it
Flow area is less than 9 flow area of lower layer's through flow hole, so that fluid flow rate is larger at this, pressure is smaller, to form such as Fig. 3 arrows
Barometric gradient shown in head, slows down trend of the nearly barrel regional fluid to edge flowing, to realize that increasing heat exchange area utilizes
Rate and the purpose for reducing leakage current.
When the heat-exchanging tube bundle in heat exchanger is less, if through flow hole still is arranged on the pore 8 of 5 bottom of segmental baffle
9, it will influence the baffling effect of segmental baffle 5 so that shell side flow-field changes, to influence heat exchange property.At this point, should bend
The rounded periphery through-hole that several intervals were uniformly distributed and were inclination arrangement is set along its axial direction conical surface at the nearly barrel of shape baffle plate 6
7, peripheral through holes 7 and 5 central shaft of segmental baffle keep same angle, i.e., along using 5 central shaft of segmental baffle as main shaft certain
One circular conical surface is symmetrical；So arrangement peripheral through holes 7 can enable flow across after peripheral through holes 7 to center convergence, reinforce pair
The disturbance of 5 lee side flow dead zone of segmental baffle, to enhance the heat convection in the region.In addition, peripheral through holes 7 and arch
The selection of the angle β and opening diameter of 5 central shaft of baffle plate, should ensure that, peripheral through holes 7 central axial along segmental baffle 5
Import is projected projects non-overlapping copies with outlet, so that it is guaranteed that flowing through the fluid of peripheral through holes 7 can turn to.
As another preferred embodiment, the outer rim in the segmental baffle 5 is uniformly distributed along its arc to interval equipped with several
Groove 10, the shape of the groove 10 is rectangle or triangle；By the outer rim in segmental baffle 5, groove 10 is set, it can
To increase the flow resistance at the leakage current of gap, to achieve the purpose that reduce leakage current；In addition, the size and quantity of groove 10 answer root
It is determined according to the thickness of segmental baffle 5, and the depth of groove 10 should not influence the intensity of pore 8 and segmental baffle 5.
The beneficial effects of the utility model are：
Firstly, since the baffling structure of this heat exchanger is combined to be formed with segmental baffle using trapezoidal baffle plate
Spiral baffling structure, therefore, it not only solves the technical problem of helical baffles processing and assembly difficulty, improves spiral folding
The popularity rate of flowing plate, and it can also provide Flow Field Performance very excellent helical flow path to heat exchanger, to ensure heat exchanger
Heat exchange efficiency reduce pump work in addition, this heat exchanger with spiral baffling structure can also reduce the flowing crushing of shell fluid
Consumption.
It secondly, can by the way that extending direction and heat exchanger tube axially parallel arc flanging is arranged in trapezoidal baffle plate outer rim
The edge leakage current caused by fluid spiral flow centrifuge power is reduced, and slows down shock of the fluid to barrel, reduces noise and vibration,
The trapezoidal baffle plate rigidity of structure of itself can also be enhanced.
Again, by the way that peripheral through holes are arranged at the nearly barrel of segmental baffle and on the pore of segmental baffle bottom
Through flow hole is set, so as to reduce flow dead zone area, increases heat-transfer surface utilization rate, achievees the purpose that improve heat exchange efficiency.
Finally, groove is set in segmental baffle outer rim, leakage current flow resistance can be increased, it is short to reach reduction fluid
The purpose on road.
It should be understood that the above-mentioned specific implementation mode of the utility model is used only for exemplary illustration or explains this reality
With novel principle, without constituting limitations of the present invention.Therefore, in the spirit and scope without departing from the utility model
In the case of any modification, the equivalent replacement etc. made, should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of shell-and-tube heat exchanger with spiral baffling structure, including shell（1）, be fixed on the shell（1）Both ends
Tube sheet（2）And it is set to shell（1）Interior heat exchanger tube（3）, along shell（1）Axially to shell（1）It is internally provided with and is changed with described
Heat pipe（3）The spiral baffling structure that assembly method matches, the spiral baffling structure by it is spaced setting and relative to
Heat exchanger tube（3）The trapezoidal baffle plate being in tilted layout（4）And segmental baffle（5）Overlap joint is formed, which is characterized in that the trapezoidal folding
Flowing plate（4）Outer rim be equipped with flanging（6）.
2. the shell-and-tube heat exchanger according to claim 1 with spiral baffling structure, which is characterized in that the flanging
（6）Extending direction and heat exchanger tube（3）It is axial parallel.
3. the shell-and-tube heat exchanger according to claim 2 with spiral baffling structure, which is characterized in that the flanging
（6）For arc flanging, and flanging（6）Radius of curvature and trapezoidal baffle plate（4）Axis projection radius of circle it is identical.
4. the shell-and-tube heat exchanger according to claim 1 with spiral baffling structure, which is characterized in that in the arch
Baffle plate（5）Nearly barrel at its axial conical surface be provided with several intervals be uniformly distributed and peripheral through holes to be in tilted layout
（7）.
5. the shell-and-tube heat exchanger according to claim 4 with spiral baffling structure, which is characterized in that the periphery
Through-hole（7）For round hole.
6. the shell-and-tube heat exchanger according to claim 1 with spiral baffling structure, which is characterized in that in the arch
Baffle plate（5）The pore of bottom（8）On be provided with and several be uniformly distributed and through segmental baffle along pore is circumferentially-spaced
（5）Through flow hole（9）.
7. the shell-and-tube heat exchanger according to claim 6 with spiral baffling structure, which is characterized in that the arch folding
Flowing plate（5）On upper layer through flow hole flow area be less than lower layer's through flow hole flow area；The through flow hole（9）For square hole.
8. the shell-and-tube heat exchanger according to claim 1 with spiral baffling structure, which is characterized in that the arch folding
Flowing plate（5）Outer rim be equipped with several along its arc to being spaced equally distributed groove（10）.
9. the shell-and-tube heat exchanger according to claim 8 with spiral baffling structure, which is characterized in that the groove
（10）For rectangular recess or triangular groove.
10. the shell-and-tube heat exchanger according to claim 1 with spiral baffling structure, which is characterized in that the bow
Shape baffle plate（5）For single segmental baffle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820457425.9U CN208075629U (en) | 2018-04-03 | 2018-04-03 | A kind of shell-and-tube heat exchanger with spiral baffling structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820457425.9U CN208075629U (en) | 2018-04-03 | 2018-04-03 | A kind of shell-and-tube heat exchanger with spiral baffling structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208075629U true CN208075629U (en) | 2018-11-09 |
Family
ID=64043048
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820457425.9U Active CN208075629U (en) | 2018-04-03 | 2018-04-03 | A kind of shell-and-tube heat exchanger with spiral baffling structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208075629U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110455096A (en) * | 2019-08-27 | 2019-11-15 | 东方电气集团东方锅炉股份有限公司 | Baffle plate support structure and its shell-and-tube heat exchanger with shunt effect |
| CN113587686A (en) * | 2021-08-10 | 2021-11-02 | 兰州恒达石化机械有限公司 | Efficient baffle plate type heat exchanger |
-
2018
- 2018-04-03 CN CN201820457425.9U patent/CN208075629U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110455096A (en) * | 2019-08-27 | 2019-11-15 | 东方电气集团东方锅炉股份有限公司 | Baffle plate support structure and its shell-and-tube heat exchanger with shunt effect |
| CN113587686A (en) * | 2021-08-10 | 2021-11-02 | 兰州恒达石化机械有限公司 | Efficient baffle plate type heat exchanger |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208075629U (en) | A kind of shell-and-tube heat exchanger with spiral baffling structure | |
| CN100453951C (en) | Combined helix baffle plate shell-and-tube heat exchanger | |
| CN206094996U (en) | Shell -and -tube heat exchanger | |
| CN203454896U (en) | Spiral crossing baffle plate-supported efficient tube heat exchanger | |
| CN204240841U (en) | A kind of spiral baffle heat exchanger | |
| CN201892451U (en) | Bending traverse baffle heat exchanger | |
| CN205138291U (en) | Heat transfer cast heat exchanger | |
| CN106440882B (en) | The trapezoidal inclined baffle shell-and-tube heat exchanger of class | |
| CN101275816A (en) | Low water temperature high-efficiency heat exchange tube full solution type evaporator | |
| CN203454869U (en) | Multiple continuous baffle plate-supported high-efficiency heat exchange tube heat exchanger | |
| CN205349840U (en) | Low pulse impeller | |
| CN201497419U (en) | EGR cooler and spiral deflector thereof | |
| CN207012582U (en) | Falling film evaporator film-distributing device | |
| CN106288928B (en) | A kind of heat exchanger helical baffles | |
| CN201104137Y (en) | Helical baffle plate supporting special-shaped pipe condenser | |
| CN107883803B (en) | Shell-and-tube heat exchanger | |
| CN104246409B (en) | Fin-tube heat exchanger | |
| CN2625833Y (en) | Spiral baffle pore plate supported rhombic finned tube bundle heat exchanger | |
| CN206478623U (en) | A kind of curved S types pendant superheater | |
| CN209558997U (en) | Revolve jet stream heat exchanger tube | |
| CN204730688U (en) | Desensitizer production condenser | |
| CN201007624Y (en) | Dual-shell pass U-shaped tube ellipse baffle plate heat exchanger | |
| CN206208075U (en) | Self-supporting spiral baffle heat exchanger | |
| CN206037815U (en) | Spiral baffling board for heat exchanger | |
| CN206739964U (en) | The dolioform baffle heat exchanger of arc opening formula |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |