CN206378037U - Heat Exchanger of Nuclear Power Plant tube bundle support structure - Google Patents
Heat Exchanger of Nuclear Power Plant tube bundle support structure Download PDFInfo
- Publication number
- CN206378037U CN206378037U CN201621354940.1U CN201621354940U CN206378037U CN 206378037 U CN206378037 U CN 206378037U CN 201621354940 U CN201621354940 U CN 201621354940U CN 206378037 U CN206378037 U CN 206378037U
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- China
- Prior art keywords
- heat exchanger
- nuclear power
- power plant
- tube bundle
- support structure
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Abstract
The utility model discloses a kind of Heat Exchanger of Nuclear Power Plant tube bundle support structure, it is arranged in inside shell-and-tube exchanger, many rod baffles on baffling circle are welded on including baffling circle and two ends, and the transverse support bar of spot welding vertical with rod baffle, wherein, baffling circle, rod baffle, transverse support bar are manufactured by band steel, are staggered between adjacent baffling circle 90 °.Relative to prior art, the utility model Heat Exchanger of Nuclear Power Plant tube bundle support structure has advantages below：1) rod baffle, baffling circle and transverse support bar are made using band steel, it is to avoid produce Karman vortex street, prevents rod baffle of wearing and tearing；2) it is simple in construction, rod baffle is strengthened by band steel transverse support bar, the intrinsic frequency of rod baffle is effectively improved, it is to avoid produces Flow vibration and damages heat exchanger；3) increase shell fluid level of disruption, improve the heat exchange efficiency of heat exchanger.
Description
Technical field
The utility model belongs to technical field of nuclear power, more specifically, and the utility model is related to a kind of nuclear power station heat exchange
Device tube bundle support structure.
Background technology
At present, the heat-exchanging tube bundle in shell-and-tube exchanger is generally supported using deflection plate or rod baffle.Wherein, adopt
The heat-exchanging tube bundle of shell-and-tube exchanger is supported with rod baffle, had the advantage that：First, shell-side fluid is by lateral flow
It is changed into longitudinal flow, substantially reduces the transversal flow that fluid exchanges heat pipe, it is to avoid triggers tube bank Flow vibration；Secondly, fluid stream
Turbulence when crossing rod baffle can improve heat exchange efficiency.Therefore, using the shell-and-tube exchanger of rod baffle in chemical industry, thermoelectricity
It is widely used with nuclear power.
However, in actual application, problems with is still suffered from using the shell-and-tube exchanger of rod baffle：1)
The machining accuracy of rod baffle is difficult to ensure, it is difficult to exchanges heat pipe bundle and is formed with effect support, causes heat exchanger tube to become big without support distances,
Intrinsic frequency is reduced, and produces Flow vibration, reduces heat exchange efficiency；2) round steel rod baffle is also easy to produce Karman vortex street, and Karman vortex street takes off
Fall to cause rod baffle to produce micro breadth oscillation, be that fretting wear is produced between rod baffle and heat transfer tube bundle；3) for diameter
Larger shell-and-tube exchanger, using rod baffle as support, middle part rod baffle is due to, intrinsic frequency drop big without support distances
It is low, Flow vibration is produced, wear and tear heat exchanger tube.
In view of this, it is necessory to provide, a kind of simple in construction, intrinsic frequency is high, effectively improve the nuclear power station of heat exchange efficiency
Heat transfer tube bundle supporting construction.
Utility model content
The purpose of this utility model is：There is provided that a kind of simple in construction, intrinsic frequency is high, effectively improve the core of heat exchange efficiency
Power station heat transfer tube bundle supporting construction.
To realize above-mentioned utility model purpose, the utility model provides a kind of Heat Exchanger of Nuclear Power Plant tube bundle support structure,
It is arranged in inside shell-and-tube exchanger, including baffling circle, two ends are welded on many rod baffles on baffling circle, and and baffling
The transverse support bar of the vertical spot welding of bar.
As the utility model Heat Exchanger of Nuclear Power Plant tube bundle support structure one kind improve, the baffling circle, rod baffle,
Transverse support bar is manufactured by band steel.
Improved as one kind of the utility model Heat Exchanger of Nuclear Power Plant tube bundle support structure, between the adjacent baffling circle
Stagger 90 °.
Improved as one kind of the utility model Heat Exchanger of Nuclear Power Plant tube bundle support structure, the package count of the baffling circle
And spacing is adjustable.
Improved as one kind of the utility model Heat Exchanger of Nuclear Power Plant tube bundle support structure, on the adjacent baffling circle
The formation support of rod baffle heat exchanging pipe.
Improved as one kind of the utility model Heat Exchanger of Nuclear Power Plant tube bundle support structure, the rod baffle and heat exchanger tube
Between be linear contact lay.
Improved as one kind of the utility model Heat Exchanger of Nuclear Power Plant tube bundle support structure, the transverse support bar two ends
It is welded on baffling circle.
Improved as one kind of the utility model Heat Exchanger of Nuclear Power Plant tube bundle support structure, in the middle of the transverse support bar
Welded with each rod baffle.
Improved as one kind of the utility model Heat Exchanger of Nuclear Power Plant tube bundle support structure, the number of the transverse support bar
Mesh is 1~5.
Relative to prior art, the utility model Heat Exchanger of Nuclear Power Plant tube bundle support structure has advantages below：1) adopt
Rod baffle, baffling circle and transverse support bar are made with band steel, it is to avoid produce Karman vortex street, prevent rod baffle of wearing and tearing；2) by flat
Steel transverse support bar is strengthened rod baffle, effectively improves the intrinsic frequency of rod baffle, it is to avoid produces Flow vibration and damages
Heat exchanger；3) increase shell fluid level of disruption, improve the heat exchange efficiency of heat exchanger.
Brief description of the drawings
With reference to the accompanying drawings and detailed description, to the utility model Heat Exchanger of Nuclear Power Plant tube bundle support structure and its
Advantageous effects are described in detail, wherein：
Fig. 1 is the schematic diagram of the utility model Heat Exchanger of Nuclear Power Plant tube bundle support structure.
Fig. 2 is the structural representation of odd number baffling coil assembly in Fig. 1.
Fig. 3 is the structural representation of even number baffling coil assembly in Fig. 1.
Fig. 4 is the schematic diagram that rod baffle exchanges heat pipe standoff.
Embodiment
In order that goal of the invention of the present utility model, technical scheme and its advantageous effects become apparent from, below in conjunction with
The drawings and specific embodiments, the utility model is further elaborated.It should be appreciated that described in this specification
Embodiment just for the sake of explain the utility model, be not intended to limit the utility model.
Refer to shown in Fig. 1, Fig. 2, the utility model Heat Exchanger of Nuclear Power Plant tube bundle support structure includes baffling circle 10, two
End is welded on many rod baffles 20 on baffling circle 10, and the transverse support bar 30 with the vertical spot welding of rod baffle 20.
According to an embodiment of the present utility model, refer to shown in Fig. 2, Fig. 3, rod baffle 20 is welded at a certain distance
On baffling circle 10, stagger between odd number baffling circle 10 and even number baffling circle 10 90 °.Transverse support bar 30 is hung down with rod baffle 20
Directly, its two ends is welded on baffling circle 10, and with the every spot welding of rod baffle 20, make the maximum without support distances reduction of rod baffle 20
To 1/4~1/6 level, the maximum quantity that transverse support bar 30 is depended on without support distances.The setting of transverse support bar 30 shows
The intrinsic frequency of lifting rod baffle 20 is write, reduction produces the possibility of Flow vibration, while increase the level of disruption of shell fluid,
Improve heat exchange efficiency.
According to an embodiment of the present utility model, refer to shown in Fig. 4, the rod baffle on two neighboring baffling circle 10
20 exchange heat pipes 40 form effective support, are linear contact lay between heat exchanger tube 40 and rod baffle 20.
According to an embodiment of the present utility model, baffling circle 10, rod baffle 20 and transverse support bar 30 are by band steel
Manufacture.
According to an embodiment of the present utility model, the package count of baffling circle 10 and spacing are adjustable.
The utility model Heat Exchanger of Nuclear Power Plant tube bundle support structure is arranged in inside shell-and-tube exchanger.First, root
According to heat exchanger shell diameter and process for machining and manufacturing, baffling circle 10 is manufactured from band steel, it is ensured that circularity and flatness.Then root
Transverse support bar 30, transverse support bar 30 are manufactured according to 10 selection of dimension of baffling circle 1~5 and the band steel of the same size of baffling circle 10
It is distributed along the uniform diameter of baffling circle 10, two ends are welded with baffling circle 10.Secondly, according to the size of heat exchanger tube 40 and heat exchanger tube 40
Distribution, choose the band steel manufacture rod baffle 20 of appropriate size, rod baffle 20 is vertical with transverse support bar 30 and along baffling circle 10
Uniform diameter is distributed, and the two ends of rod baffle 20 are welded with baffling circle 10, the middle and spot welding of transverse support bar 30.Baffling circle 10, baffling
Bar 20 and the composition baffling coil assembly of transverse support bar 30, need according to heat exchange and the length of heat exchanger tube 40 determine the component of baffling circle 20
Quantity and spacing, odd number baffling coil assembly and even number baffling coil assembly are spaced apart, and are rotated by 90 °.In heat exchanger tube 40 and heat
After the Tube-sheet Welding of exchanger one end, baffling coil assembly is penetrated into heat-exchanging tube bundle by the order and spacing of determination, and by baffling circle 10
With pull bar spot welding with fixed position.Finally, remaining procedure of processing is completed, remaining procedure of processing adds with common shell-and-tube exchanger
Work step is suddenly identical.
By above description, relative to prior art, the utility model Heat Exchanger of Nuclear Power Plant tube bundle support structure
With advantages below：1) rod baffle 20, baffling circle 10 and transverse support bar 30 are made using band steel, it is to avoid produce Karman vortex street,
Prevent rod baffle of wearing and tearing；2) it is simple in construction, rod baffle 20 is strengthened by band steel transverse support bar 30, baffling is effectively improved
The intrinsic frequency of bar 20, it is to avoid produce Flow vibration and damage heat exchanger；3) increase shell fluid level of disruption, improve heat and hand over
The heat exchange efficiency of parallel operation.
The announcement and teaching of book according to the above description, the utility model those skilled in the art can also be to above-mentioned reality
The mode of applying carries out appropriate change and modification.Therefore, the utility model is not limited to specific implementation disclosed and described above
Some modifications and changes of the present utility model should also be as falling into scope of the claims of the present utility model by mode.
Although in addition, used some specific terms in this specification, these terms merely for convenience of description, not to this reality
With any limitation of new composition.
Claims (9)
1. a kind of Heat Exchanger of Nuclear Power Plant tube bundle support structure, is arranged in inside shell-and-tube exchanger, including baffling circle and two
End is welded on many rod baffles on baffling circle, it is characterised in that also include the transverse support bar of spot welding vertical with rod baffle.
2. Heat Exchanger of Nuclear Power Plant tube bundle support structure according to claim 1, it is characterised in that the baffling circle, folding
Flow post, transverse support bar are manufactured by band steel.
3. Heat Exchanger of Nuclear Power Plant tube bundle support structure according to claim 1, it is characterised in that the adjacent baffling circle
Between stagger 90 °.
4. Heat Exchanger of Nuclear Power Plant tube bundle support structure according to claim 1, it is characterised in that the group of the baffling circle
Number of packages and spacing are adjustable.
5. Heat Exchanger of Nuclear Power Plant tube bundle support structure according to claim 1, it is characterised in that the adjacent baffling circle
On rod baffle heat exchanging pipe formation support.
6. Heat Exchanger of Nuclear Power Plant tube bundle support structure according to claim 5, it is characterised in that the rod baffle is with changing
It is linear contact lay between heat pipe.
7. Heat Exchanger of Nuclear Power Plant tube bundle support structure according to claim 1, it is characterised in that the transverse support bar
Two ends are welded on baffling circle.
8. Heat Exchanger of Nuclear Power Plant tube bundle support structure according to claim 1, it is characterised in that the transverse support bar
It is middle to be welded with each rod baffle.
9. Heat Exchanger of Nuclear Power Plant tube bundle support structure according to claim 1, it is characterised in that the transverse support bar
Number be 1~5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621354940.1U CN206378037U (en) | 2016-12-12 | 2016-12-12 | Heat Exchanger of Nuclear Power Plant tube bundle support structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621354940.1U CN206378037U (en) | 2016-12-12 | 2016-12-12 | Heat Exchanger of Nuclear Power Plant tube bundle support structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206378037U true CN206378037U (en) | 2017-08-04 |
Family
ID=59406608
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621354940.1U Active CN206378037U (en) | 2016-12-12 | 2016-12-12 | Heat Exchanger of Nuclear Power Plant tube bundle support structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206378037U (en) |
-
2016
- 2016-12-12 CN CN201621354940.1U patent/CN206378037U/en active Active
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