CN109654913A - Nuclear power station heat exchanger bend pipe baffling structure - Google Patents
Nuclear power station heat exchanger bend pipe baffling structure Download PDFInfo
- Publication number
- CN109654913A CN109654913A CN201811486629.6A CN201811486629A CN109654913A CN 109654913 A CN109654913 A CN 109654913A CN 201811486629 A CN201811486629 A CN 201811486629A CN 109654913 A CN109654913 A CN 109654913A
- Authority
- CN
- China
- Prior art keywords
- heat exchanger
- bend pipe
- exchanger tube
- nuclear power
- power station
- 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.)
- Granted
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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
- F28D7/1607—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 with particular pattern of flow of the heat exchange media, e.g. change of flow direction
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/007—Auxiliary supports for elements
- F28F9/013—Auxiliary supports for elements for tubes or tube-assemblies
- F28F9/0131—Auxiliary supports for elements for tubes or tube-assemblies formed by plates
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/24—Arrangements for promoting turbulent flow of heat-exchange media, e.g. by plates
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fluid Mechanics (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The present invention discloses a kind of nuclear power station heat exchanger bend pipe baffling structure, it includes several heat exchanger tubes, with several bend pipes and covers the heat exchange shell side outside heat exchanger tube, and it is set to the deflector body in bend pipe and for fixing heat exchanger tube, wherein, deflector body includes the baffle plate on the inside of the positioning ring being connected with elbow internal wall and closing positioning ring, baffle plate is spliced by several baffles, and the side close to each other of two adjacent baffles offers several one-to-one correspondence and the card slot for fixing heat exchanger tube respectively.Compared with the existing technology, nuclear power station heat exchanger bend pipe baffling structure of the present invention is spliced into baffle plate by several baffles, so that shell side medium transversal flow heat exchanger tube, improves heat exchange efficiency；Baffle is equipped with the card slot of fixed heat exchanger tube, moves radially so that heat exchanger tube will not generate, and avoids heat exchanger tube and generates abrasion or deformation because moving radially, improves product quality and service life.
Description
Technical field
The invention belongs to technical field of heat exchangers, it is more particularly related to which a kind of nuclear power station heat exchanger bend pipe is rolled over
Flow structure.
Background technique
Currently, multiple baffle plates are usually arranged in heat exchanger, so that the heat transferring medium energy transversal flow in heat exchanger changes
Heat pipe, thus obtain higher heat-exchange system to improve heat transfer effect, achieve the effect that reduce cost and reduce heat exchanger volume,
Meanwhile baffle plate can also play a part of to support heat exchanger tube, can effectively prevent heat exchanger tube from deforming or because of knot caused by vibrating
Structure destroys.
But in special industry, such as nuclear power industry, because space limitation generallys use U-shaped heat exchanger, to face
The problem of fixed heat exchanger tube is difficult in the bend pipe of U-shaped heat exchanger is fixed by filling grizzly bar in bend pipe in the prior art
Heat exchanger tube is clipped in be formed between two grizzly bars and fix by heat exchanger tube, such heat exchanger tube still can move along grizzly bar and cause to grind
Damage, and heat transferring medium transversal flow heat exchanger tube in bend pipe cannot be made, heat exchange efficiency is low.
In view of this, it is necessory to provide a kind of nuclear power station heat exchanger bend pipe baffling structure, it is in the prior art to overcome
Drawbacks described above.
Summary of the invention
It is an object of the invention to: a kind of nuclear power station heat exchanger bend pipe baffling used in curved heat exchanger is provided
Structure, it is intended to the installation of heat exchanger tube in a heat exchanger be facilitated to fix by the bend pipe baffle plate being spliced.
In order to achieve the above-mentioned object of the invention, the present invention provides a kind of bend pipe baffling structure, including several heat exchanger tubes, have
Several bend pipes simultaneously cover the heat exchange shell side outside heat exchanger tube, and are set to the deflector body in bend pipe and for fixing heat exchanger tube, folding
Fluid includes the baffle plate on the inside of the positioning ring being connected with elbow internal wall and closing positioning ring, and baffle plate is spliced by several baffles
It forms, and adjacent two baffles side close to each other offers several one-to-one correspondence and for fixing heat exchanger tube respectively
Card slot.
As a kind of improvement of nuclear power station heat exchanger bend pipe baffling structure of the present invention, the cross-sectional shape of the bend pipe is circle
Shape, the positioning ring are semi-circular shape, and a diversion gap is formed between the deflector body and the inner wall of the bend pipe.
As a kind of improvement of nuclear power station heat exchanger bend pipe baffling structure of the present invention, in the heat exchanger tube and the bend pipe
Axis is parallel, and the deflector body is vertical with the central axes of the bend pipe, and two adjacent diversion gaps shift to install.
As a kind of improvement of nuclear power station heat exchanger bend pipe baffling structure of the present invention, the positioning ring and the bend pipe are coaxial
Setting, and the outer diameter of the positioning ring is consistent with the internal diameter of the bend pipe.
As a kind of improvement of nuclear power station heat exchanger bend pipe baffling structure of the present invention, the deflector body grouping setting is each
The diversion gap of group deflector body is overlapped to fix the same area of the heat exchanger tube jointly.
As a kind of improvement of nuclear power station heat exchanger bend pipe baffling structure of the present invention, the number of deflector body in each group of deflector body
Amount at least two.
As a kind of improvement of nuclear power station heat exchanger bend pipe baffling structure of the present invention, the distance between two adjacent groups deflector body
It is equal.
As a kind of improvement of nuclear power station heat exchanger bend pipe baffling structure of the present invention, the positioning ring and the bend loss
It is welded and fixed between inner wall, between the positioning ring and the baffle.
As a kind of improvement of nuclear power station heat exchanger bend pipe baffling structure of the present invention, the card slot is semicircle, two phases
Corresponding card slot combination is complete round and is that circular heat exchanger tube matches with cross section.
As a kind of improvement of nuclear power station heat exchanger bend pipe baffling structure of the present invention, the heat exchange shell side further includes two flat
Row is arranged and the straight tube that be connected to bend pipe both ends, the one end of the straight tube far from bend pipe equipped with the connector being connected to heat exchanger tube and with
Straight tube connection adapter tube, the connector and adapter tube respectively as fluid the heat exchanger tube and heat exchange shell side in circulate into
Mouth and outlet.
Compared with the existing technology, nuclear power station heat exchanger bend pipe baffling structure provided by the invention, is spelled by several baffles
It is connected into baffle plate, so that shell side medium transversal flow heat exchanger tube, improves heat exchange efficiency；Baffle is equipped with the card of fixed heat exchanger tube
Slot moves radially so that heat exchanger tube will not generate, and avoids heat exchanger tube and generates abrasion or deformation because moving radially, improves and produce
Quality and service life.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the schematic diagram of nuclear power station heat exchanger bend pipe baffling structure provided by the invention.
Fig. 2 is the cross-sectional view along A-A direction shown in Fig. 1.
Fig. 3 is the decomposition diagram of baffle in Fig. 1 nuclear power station heat exchanger bend pipe baffling structure.
Specific embodiment
It is clear in order to be more clear goal of the invention of the invention, technical solution and advantageous effects, below in conjunction with attached
Figure and specific embodiment, the present invention will be described in further detail.It should be understood that described in this specification specific
Embodiment is not intended to limit the present invention just for the sake of explaining the present invention.
Shown in please referring to Fig.1 to Fig.3, the present invention provides a kind of nuclear power station heat exchanger bend pipe baffling structure 100, is mainly used for
It solves the problems, such as to be difficult to that heat exchanger tube 10 is fixedly mounted in curved heat-exchanger rig.
In an embodiment of the present invention, bend pipe baffling structure 100 includes several heat exchanger tubes 10, has several bend pipes 201 simultaneously
The heat exchange shell side 20 outside heat exchanger tube 10 is covered, and is set to the deflector body 30 in bend pipe 201 and for fixing heat exchanger tube 10, folding
Fluid 30 includes the baffle plate 302 of 301 inside of the positioning ring 301 being connected with 201 inner wall of bend pipe and closing positioning ring, baffle plate
302 are spliced by several baffles 3021, and the side close to each other of two adjacent baffles 3021 offers respectively
Several one-to-one correspondence and the card slot 3022 for fixing heat exchanger tube 10.
In an embodiment of the invention, card slot 3022 is semicircle, and two corresponding card slots 3022 have combined
Whole circle can effectively prevent heat exchanger tube 10 and generate radial displacement to be that circular heat exchanger tube 10 matches with cross section.
In an embodiment of the invention, the cross-sectional shape of bend pipe 201 is circle, and positioning ring 301 is semicircular ring
Shape forms a diversion gap 303 between deflector body 30 and the inner wall of bend pipe 201, for the fluid circulation in heat exchange shell side 20.
Preferably, the axis parallel of heat exchanger tube 10 and bend pipe 201, deflector body 30 is vertical with the central axes of bend pipe 201, and adjacent two
Diversion gap 303 shifts to install, so that the fluid in bend pipe 201 exchanges heat along deflector body 30 and 303 transversal flow of diversion gap
Pipe 10, can effectively improve heat exchange efficiency.In the shown embodiment, positioning ring 301 and bend pipe 201 are coaxially disposed, and are positioned
The outer diameter of ring 301 is consistent with the internal diameter of bend pipe 201.
In an embodiment of the invention, the grouping of deflector body 30 setting, the diversion gap 303 of each group of deflector body 30
It is overlapped the fastness that can reinforce fixed heat exchanger tube 10 to fix the same area of heat exchanger tube 10 jointly.In the present embodiment,
The quantity at least two of deflector body 30 in each group of deflector body 30.Preferably, the distance between two adjacent groups deflector body 30 phase
Deng, to avoid heat exchanger tube 10 occur because exchange heat it is uneven due to lead to unequal power distribution, can reduce vibration, improve service life.
In an embodiment of the invention, between positioning ring 301 and 201 sections of bend pipe of inner wall and positioning ring 301 with
It is welded and fixed between baffle 3021, to enhance the bonding strength of deflector body 30 Yu bend pipe 201, while it is right to enhance baffle 3021
The fixed effect of heat exchanger tube 10.
Positioning ring 301 is first welded on the inner wall of bend pipe 201 by the present invention when putting into heat exchanger tube 10 in bend pipe 201,
Then first baffle 3021 is welded in positioning ring 301, then first corresponding heat exchanger tube 10 is stuck in the baffle
In 3021 card slot 3022, then in positioning ring 301 weld second baffle 3021 first heat exchanger tube 10 to be positioned,
It is further continued for installation second batch heat exchanger tube 10, is so repeated up to and completion installation is welded in last baffle 3021.
According to an embodiment of the invention, it is understood that baffle plate 302 is spliced by several baffles 3021, conveniently
It is installed in bend pipe 201, so that 20 medium transversal flow heat exchanger tube 10 of shell side, improves heat exchange efficiency.Meanwhile on baffle 3021
Card slot 3022 equipped with fixed heat exchanger tube 10, moves radially so that heat exchanger tube 10 will not generate, avoids heat exchanger tube 10 because of radial direction
It is mobile and generate abrasion or deformation, improve product quality and service life.
In an embodiment of the present invention, the shell side 20 that exchanges heat further includes two and is arranged in parallel and is connected to 201 both ends of bend pipe
Straight tube 202, the heat exchange shell side 20 of U-shaped is collectively formed, straight tube 202 is equipped with far from one end of bend pipe 201 and is connected to heat exchanger tube 10
Connector 2021 and the adapter tube 2022 that is connected to straight tube 202, connector 2021 and adapter tube 2022 are respectively as fluid in heat exchanger tube 10
With the import and outlet circulated in heat exchange shell side 20.In the shown embodiment, the cross-sectional shape of straight tube and bend pipe 201
Cross-sectional shape it is completely the same.
In conjunction with can be seen that compared with the existing technology to the detailed description of embodiment of the present invention above, the present invention is provided
Nuclear power station heat exchanger bend pipe baffling structure, baffle plate 30 is spliced by several baffles 3021, so that shell side 20 medium is horizontal
To heat exchanger tube 10 is washed away, heat exchange efficiency is improved；Baffle 3021 is equipped with the card slot 3022 of fixed heat exchanger tube, so that heat exchanger tube 10
It will not generate and move radially, avoid heat exchanger tube 10 and generate abrasion or deformation because moving radially, improve product quality and make
Use the service life.
According to the disclosure and teachings of the above specification, those skilled in the art in the invention can also be to above-mentioned embodiment party
Formula carries out change and modification appropriate.Therefore, the invention is not limited to the specific embodiments disclosed and described above, to this
Some modifications and changes of invention should also be as falling into the scope of the claims of the present invention.In addition, although this specification
In use some specific terms, these terms are merely for convenience of description, does not limit the present invention in any way.
Claims (10)
1. a kind of nuclear power station heat exchanger bend pipe baffling structure, which is characterized in that including several heat exchanger tubes, there are several bend pipes and cover
Heat exchange shell side outside heat exchanger tube, and be set to the deflector body in bend pipe and for fixing heat exchanger tube, wherein deflector body includes
The baffle plate on the inside of positioning ring and closing positioning ring being connected with elbow internal wall, baffle plate are spliced by several baffles, and
The side close to each other of two adjacent baffles offers several one-to-one correspondence and the card slot for fixing heat exchanger tube respectively.
2. nuclear power station heat exchanger bend pipe baffling structure according to claim 1, which is characterized in that the cross section of the bend pipe
Shape is circle, and the positioning ring is semi-circular shape, forms a water conservancy diversion between the deflector body and the inner wall of the bend pipe and lacks
Mouthful.
3. nuclear power station heat exchanger bend pipe baffling structure according to claim 2, which is characterized in that the heat exchanger tube with it is described
The axis parallel of bend pipe, the deflector body is vertical with the central axes of the bend pipe, and two adjacent diversion gaps shift to install.
4. nuclear power station heat exchanger bend pipe baffling structure according to claim 3, which is characterized in that the positioning ring with it is described
Bend pipe coaxial arrangement, and the outer diameter of the positioning ring is consistent with the internal diameter of the bend pipe.
5. nuclear power station heat exchanger bend pipe baffling structure according to claim 2, which is characterized in that the deflector body grouping is set
It sets, the diversion gap of each group of deflector body is overlapped to fix the same area of the heat exchanger tube jointly.
6. nuclear power station heat exchanger bend pipe baffling structure according to claim 5, which is characterized in that rolled in each group of deflector body
The quantity at least two of fluid.
7. nuclear power station heat exchanger bend pipe baffling structure according to claim 6, which is characterized in that two adjacent groups deflector body it
Between be equidistant.
8. nuclear power station heat exchanger bend pipe baffling structure according to claim 1, which is characterized in that the positioning ring with it is described
It is welded and fixed between the inner wall of bend loss, between the positioning ring and the baffle.
9. nuclear power station heat exchanger bend pipe baffling structure according to claim 1, which is characterized in that the card slot is semicircle
Shape, two corresponding card slot combinations are complete round and are that circular heat exchanger tube matches with cross section.
10. nuclear power station heat exchanger bend pipe baffling structure according to claim 1, which is characterized in that the heat exchange shell side is also
The straight tube for being arranged in parallel and being connected to bend pipe both ends including two, the straight tube are equipped with far from one end of bend pipe and are connected to heat exchanger tube
Connector and the adapter tube that is connected to straight tube, the connector followed in the heat exchanger tube and the shell side that exchanges heat with adapter tube respectively as fluid
Circulation dynamic import and outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811486629.6A CN109654913B (en) | 2018-12-06 | 2018-12-06 | Bent pipe baffling structure of heat exchanger of nuclear power station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811486629.6A CN109654913B (en) | 2018-12-06 | 2018-12-06 | Bent pipe baffling structure of heat exchanger of nuclear power station |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109654913A true CN109654913A (en) | 2019-04-19 |
| CN109654913B CN109654913B (en) | 2020-05-01 |
Family
ID=66112659
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811486629.6A Active CN109654913B (en) | 2018-12-06 | 2018-12-06 | Bent pipe baffling structure of heat exchanger of nuclear power station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109654913B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112728979A (en) * | 2019-10-14 | 2021-04-30 | 浙江中控太阳能技术有限公司 | Particle heat exchanger |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1073032A (en) * | 1991-11-27 | 1993-06-09 | 费罗马托姆公司 | The U-shaped pipe in pipe of anti-loose fulcrum arrangement is housed |
| CN1099473A (en) * | 1993-07-09 | 1995-03-01 | 法玛通公司 | Heat exchanger including a bundle of tubes which are bent into A U and anti-vibration bars between the bent parts of the tubes |
| US5692557A (en) * | 1995-03-09 | 1997-12-02 | Framatome | U-tube heat exchanger, equipped with a tube antivibration stabilizing system and a hold-down system |
| CN101349366A (en) * | 2007-07-18 | 2009-01-21 | 巴布考克及威尔考克斯加拿大有限公司 | Nubbed U-bend tube support |
| CN106197125A (en) * | 2016-08-17 | 2016-12-07 | 哈尔滨汽轮机厂辅机工程有限公司 | A kind of U-shaped heat exchanger tube supporting construction of photo-thermal power generation reheater |
| CN106546111A (en) * | 2016-12-12 | 2017-03-29 | 北京广厦环能科技股份有限公司 | A kind of shell-and-tube heat exchanger |
-
2018
- 2018-12-06 CN CN201811486629.6A patent/CN109654913B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1073032A (en) * | 1991-11-27 | 1993-06-09 | 费罗马托姆公司 | The U-shaped pipe in pipe of anti-loose fulcrum arrangement is housed |
| CN1099473A (en) * | 1993-07-09 | 1995-03-01 | 法玛通公司 | Heat exchanger including a bundle of tubes which are bent into A U and anti-vibration bars between the bent parts of the tubes |
| US5692557A (en) * | 1995-03-09 | 1997-12-02 | Framatome | U-tube heat exchanger, equipped with a tube antivibration stabilizing system and a hold-down system |
| CN101349366A (en) * | 2007-07-18 | 2009-01-21 | 巴布考克及威尔考克斯加拿大有限公司 | Nubbed U-bend tube support |
| US20140158835A1 (en) * | 2007-07-18 | 2014-06-12 | Babcock & Wilcox Canada Ltd. | Nubbed u-bend tube support |
| CN106197125A (en) * | 2016-08-17 | 2016-12-07 | 哈尔滨汽轮机厂辅机工程有限公司 | A kind of U-shaped heat exchanger tube supporting construction of photo-thermal power generation reheater |
| CN106546111A (en) * | 2016-12-12 | 2017-03-29 | 北京广厦环能科技股份有限公司 | A kind of shell-and-tube heat exchanger |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112728979A (en) * | 2019-10-14 | 2021-04-30 | 浙江中控太阳能技术有限公司 | Particle heat exchanger |
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| Publication number | Publication date |
|---|---|
| CN109654913B (en) | 2020-05-01 |
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