CN107221357B - Heat exchanging chamber in integral vibration damping type reactor evaporator - Google Patents
Heat exchanging chamber in integral vibration damping type reactor evaporator Download PDFInfo
- Publication number
- CN107221357B CN107221357B CN201710373710.2A CN201710373710A CN107221357B CN 107221357 B CN107221357 B CN 107221357B CN 201710373710 A CN201710373710 A CN 201710373710A CN 107221357 B CN107221357 B CN 107221357B
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- China
- Prior art keywords
- transfer pipe
- spring
- shaped heat
- heat
- support plate
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Classifications
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- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C1/00—Reactor types
- G21C1/32—Integral reactors, i.e. reactors wherein parts functionally associated with the reactor but not essential to the reaction, e.g. heat exchangers, are disposed inside the enclosure with the core
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B37/00—Component parts or details of steam boilers
- F22B37/002—Component parts or details of steam boilers specially adapted for nuclear steam generators, e.g. maintenance, repairing or inspecting equipment not otherwise provided for
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21D—NUCLEAR POWER PLANT
- G21D1/00—Details of nuclear power plant
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Abstract
The invention discloses the heat exchanging chamber in integral vibration damping type reactor evaporator, including bundle wrapper, U-shaped heat-transfer pipe, the curved section and part straight pipe of U-shaped heat-transfer pipe are located inside bundle wrapper；Further include the equally distributed N block tube bundle support plate of straight pipe along U-shaped heat-transfer pipe in bundle wrapper, the jack to match with U-shaped heat-transfer pipe is set on tube bundle support plate, U-shaped heat-transfer pipe is inserted into from jack, passes through N block tube bundle support plate；Pass through several spring connections between adjacent two single u-shaped heat-transfer pipe, both ends of the spring is separately fixed on two single u-shaped heat-transfer pipes, and sheet rubber is arranged on spring, through-hole is arranged on sheet rubber, through-hole aperture is greater than spring line footpath, is less than spring outer diameter, and spring is passed through from the through-hole；The opposite sides side of the sheet rubber is fixedly connected by connector with U-shaped heat-transfer pipe.The present invention is to solve the problems, such as that vibrationproof damping efficiency is insufficient in the prior art, realizes the purpose for improving damping efficiency, prolonging the service life.
Description
Technical field
The present invention relates to nuclear power plant reactor steam generator heat-transfer pipe vibration damping fields, and in particular to integral vibration damping type reaction
Heat exchanging chamber in heap evaporator.
Background technique
Steam generator is the heavy equipment that pressure vessel is only second in nuclear power station.Its effect is primary Ioops water from core
The heat transfer taken out of in reactor gives secondary circuit water, and it is made to become steam.There are thousands of thin-walleds to pass inside steam generator
Heat pipe can be divided into vertical, inverted-loop tube, natural circulation steam generator according to heat transfer tube shape.Primary Ioops water flows in heat-transfer pipe
Dynamic, secondary circuit water flows outside pipe, heat exchange is carried out between two water flow circuits by heat-transfer pipe with this, then in steam generation
The top of device forms steam and generates electricity.Due to there is water flow flowing inside and outside heat-transfer pipe, heat-transfer pipe is generated vibration by water currents
It is dynamic to cause the irreversible damage such as fretting, stress corrosion to heat-transfer pipe.Therefore it is added on heat-transfer pipe in the prior art
Vibrationproof item reduces vibration.But existing vibrationproof item is only supported the bending section of heat-transfer pipe, while it uses rigid support
Mode is consolidated, and rigid vibrationproof item is bigger instead by water impact, and effectiveness in vibration suppression is limited, service life is limited.
Summary of the invention
The purpose of the present invention is to provide the heat exchanging chambers in integral vibration damping type reactor evaporator, to solve in the prior art
The problem of vibrationproof damping efficiency deficiency realizes the purpose for improving damping efficiency, prolonging the service life.
The present invention is achieved through the following technical solutions:
Heat exchanging chamber in integral vibration damping type reactor evaporator, including bundle wrapper, U-shaped heat-transfer pipe, the U-shaped heat-transfer pipe
Including straight pipe and curved section, the curved section and part straight pipe of U-shaped heat-transfer pipe are located inside bundle wrapper；On bundle wrapper also
It is provided with water inlet flow channel, outlet passage, further includes the equally distributed N block of straight pipe along U-shaped heat-transfer pipe in the bundle wrapper
Tube bundle support plate, the jack that setting matches with U-shaped heat-transfer pipe on the tube bundle support plate, U-shaped heat-transfer pipe is inserted into from jack,
Across N block tube bundle support plate, wherein N >=3；Pass through several spring connections, the spring two between adjacent two single u-shaped heat-transfer pipe
End is separately fixed on two single u-shaped heat-transfer pipes, and sheet rubber is arranged on the spring, through-hole, the through-hole hole are arranged on sheet rubber
Diameter is greater than spring line footpath, is less than spring outer diameter, and spring is passed through from the through-hole；The opposite sides side of the sheet rubber passes through company
Fitting is fixedly connected with U-shaped heat-transfer pipe.
Only bending section is supported for vibrationproof item in the prior art, the problem of vibrationproof damping efficiency deficiency, this hair
A kind of bright heat exchanging chamber proposed in integral vibration damping type reactor evaporator, including existing U-shaped heat-transfer pipe and bundle wrapper, U
The in-out end of type heat-transfer pipe is arranged according to existing way across bundle wrapper, wherein U-shaped heat-transfer pipe provides stream for primary Ioops water
Road, secondary circuit water enter in bundle wrapper from the water inlet flow channel of bundle wrapper, carry out after heat exchange with U-shaped heat-transfer pipe from water flow out
Road outflow.N block uniformly distributed support plate side by side is set in bundle wrapper, and U-shaped heat-transfer pipe is inserted into from the jack in support plate and wears
It crosses, since jack and U-shaped heat-transfer pipe match, by N block support plate, the side of U-shaped heat-transfer pipe can be limited,
It avoids U-shaped heating surface bank from carrying out double swerve under water currents, solves lateral vibration problem.Wherein support plate quantity is greater than
Equal to 3, the principle of straight line is determined by two o'clock, if also can determine the vertical of U-shaped heat-transfer pipe using two pieces of support plates, if but
Using only two pieces of support plates, if one piece of support plate shakes under flow action, restraining entirety can all shake, and make
Then be not in such situation with three pieces or more of support plates, be one piece of support plate Joint failure, there are also at least two pieces of branch
Fagging is limited and is consolidated to it, so as to ensure that U-shaped heat-transfer pipe has better lateral stability.In addition, of the invention
Also it is fixedly connected between adjacent two single u-shaped heat-transfer pipe by several springs, mutual to U-shaped heat-transfer pipe by spring
Micro-vibration is offset, and the kinetic energy of vibration is rapidly converted into elastic potential energy and is consumed.
If but carry out vibration damping only by spring, can voluntarily generate vibration after the spring impact force lasting by water flow,
Elastic potential energy of the spring consumption is very slow, and spring will do it continuous elongation, shorten, shake, until it is completely consumed elastic potential energy, this
Process, which takes a long time, will lead to that effectiveness in vibration suppression is bad, and U-shaped heat-transfer pipe still will do it shakes repeatedly.Therefore the present invention is also provided with set
The sheet rubber being located on spring, the wire of spring passes through in the through-hole on sheet rubber, simultaneously because through-hole aperture is less than spring
Outer diameter, therefore sheet rubber is covered and be will not fall off on spring, during spring carries out continuous elongation shortening, since spring can not
Integrally through through-hole, therefore spring is isolated into two parts by sheet rubber, and two parts spring is respectively constantly to sheet rubber to two sides
It is squeezed, by the interior rubbing action of sheet rubber, rapidly depletes great number of elastic potential energy, rapidly convert interior energy for elastic potential energy
Consumed, when avoiding merely using spring damping elastic potential energy need to be consumed by external drag, depletion rate it is slow
The problem of, to largely improve damping efficiency；Water impact can also pass through sheet rubber on sheet rubber simultaneously
Elasticity offsets impact force, therefore also solves that conventional rigid shock absorption bar service life under long-term impact is not long to ask
Topic.The opposite sides side of sheet rubber is fixedly connected by connector with U-shaped heat-transfer pipe, so that sheet rubber both ends are fixed, no
It can be moved with water flow.
Preferably, the connector is galvanized steel plain sheet.Ensure intensity and prevents from corroding.
Preferably, the tube bundle support plate is detachably connected on bundle wrapper inner wall.Convenient for clear to being carried out in bundle wrapper
Reason, is conveniently replaceable heat-transfer pipe.
Preferably, all springs use pressure spring.Inside motive force is provided U-shaped heat-transfer pipe by pressure spring, thus from
Side clamps U-shaped heat-transfer pipe, reduces its Oscillation Amplitude, compared to traditional use from stateful spring, uses pressure
Spring can greatly improve effectiveness in vibration suppression.
Compared with prior art, the present invention having the following advantages and benefits:
1, it is uniformly distributed side by side that N block is arranged in the heat exchanging chamber in integral vibration damping type reactor evaporator of the present invention in bundle wrapper
Support plate, U-shaped heat-transfer pipe is inserted through from the jack in support plate, since jack and U-shaped heat-transfer pipe match, lead to
N block support plate is crossed, the side of U-shaped heat-transfer pipe can be limited, U-shaped heating surface bank is avoided to be controlled under water currents
It shakes, solves lateral vibration problem.
2, the heat exchanging chamber in integral vibration damping type reactor evaporator of the present invention is fixedly connected on adjacent by several springs
Between two single u-shaped heat-transfer pipes, offset by the spring micro-vibration mutual to U-shaped heat-transfer pipe, the kinetic energy of vibration is fast
Speed is converted into elastic potential energy and is consumed.
3, the heat exchanging chamber in integral vibration damping type reactor evaporator of the present invention, is also provided with the rubber being set on spring
Piece, the wire of spring pass through in the through-hole on sheet rubber, simultaneously because through-hole aperture is less than spring outer diameter, therefore sheet rubber set
Will not fall off on spring, during spring carries out continuous elongation and shortens, due to spring can not integrally through through-hole,
Spring is isolated into two parts by sheet rubber, and two parts spring respectively constantly squeezes sheet rubber to two sides, by sheet rubber
Interior rubbing action, rapidly deplete great number of elastic potential energy, rapidly by elastic potential energy be converted into can be carried out consumption, avoid list
It is pure using the problem that elastic potential energy when spring damping needs to be consumed by external drag, depletion rate is slow, thus very big journey
Damping efficiency is improved on degree；Water impact can also support impact force by the elasticity of sheet rubber on sheet rubber simultaneously
Disappear, therefore also solves the conventional rigid shock absorption bar problem that service life is not grown under long-term impact.
Detailed description of the invention
Attached drawing described herein is used to provide to further understand the embodiment of the present invention, constitutes one of the application
Point, do not constitute the restriction to the embodiment of the present invention.In the accompanying drawings:
Fig. 1 is the cross-sectional view of the specific embodiment of the invention；
Fig. 2 is the partial structural diagram of spring and sheet rubber in the specific embodiment of the invention；
Fig. 3 is the connection top view of tube bundle support plate in the specific embodiment of the invention.
Label and corresponding parts title in attached drawing:
1-U type heat-transfer pipe, 2- bundle wrapper, 21- water inlet flow channel, 22- outlet passage, 3- tube bundle support plate, 4- spring, 5-
Sheet rubber, 6- through-hole, 7- connector, 8- jack.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below with reference to embodiment and attached drawing, to this
Invention is described in further detail, and exemplary embodiment of the invention and its explanation for explaining only the invention, are not made
For limitation of the invention.
Embodiment 1:
Heat exchanging chamber in integral vibration damping type reactor evaporator as shown in Figure 1 to Figure 3, including bundle wrapper 2, U-shaped biography
Heat pipe 1, the U-shaped heat-transfer pipe 1 include straight pipe and curved section, and the curved section and part straight pipe of U-shaped heat-transfer pipe 1 are located at tube bank
Inside coaming plate 2；It is additionally provided with water inlet flow channel 21, outlet passage 22 on bundle wrapper 2, further includes along U-shaped in the bundle wrapper 2
The equally distributed N block tube bundle support plate 3 of the straight pipe of heat-transfer pipe 1, is arranged on the tube bundle support plate 3 and U-shaped 1 phase of heat-transfer pipe
The jack 8 matched, U-shaped heat-transfer pipe 1 are inserted into from jack 8, pass through N block tube bundle support plate 3, wherein N >=3；Adjacent two single u-shaped heat transfer
It is connected between pipe 1 by several springs 4,4 both ends of spring are separately fixed on two single u-shaped heat-transfer pipes 1, the spring 4
On be arranged sheet rubber 5, through-hole 6 is set on sheet rubber 5, and 6 aperture of through-hole is greater than 4 line footpath of spring, is less than 4 outer diameter of spring, bullet
Spring 4 is passed through from the through-hole 6；The opposite sides side of the sheet rubber 5 is fixedly connected by connector 7 with U-shaped heat-transfer pipe 1.
The connector 7 is galvanized steel plain sheet.The tube bundle support plate 3 is detachably connected on 2 inner wall of bundle wrapper.All springs 4 make
Use pressure spring.N block uniformly distributed support plate side by side is arranged in the present invention in bundle wrapper, and U-shaped heat-transfer pipe is from the jack in support plate
Be inserted through, since jack and U-shaped heat-transfer pipe match, by N block support plate, can side to U-shaped heat-transfer pipe into
Row limit, avoids U-shaped heating surface bank from carrying out double swerve under water currents, solves lateral vibration problem.Pass through several
Spring is fixedly connected between adjacent two single u-shaped heat-transfer pipe, is supported by the spring micro-vibration mutual to U-shaped heat-transfer pipe
Disappear, the kinetic energy of vibration is rapidly converted into elastic potential energy and is consumed.It is also provided with the sheet rubber being set on spring, spring
Wire passes through in the through-hole on sheet rubber, simultaneously because through-hole aperture is less than spring outer diameter, therefore sheet rubber covers on spring
It will not fall off, during spring carries out continuous elongation and shortens, since spring can not will integrally through through-hole, sheet rubber
Spring is isolated into two parts, and two parts spring respectively constantly squeezes sheet rubber to two sides, by the interior friction of sheet rubber
Effect, rapidly deplete great number of elastic potential energy, rapidly by elastic potential energy be converted into can be carried out consumption, avoid merely use bullet
The problem that elastic potential energy needs to be consumed by external drag when spring vibration damping, depletion rate is slow, to largely improve
Damping efficiency；Water impact can also offset impact force by the elasticity of sheet rubber on sheet rubber simultaneously, therefore
Also solve the conventional rigid shock absorption bar problem that service life is not grown under long-term impact.
Above-described specific embodiment has carried out further the purpose of the present invention, technical scheme and beneficial effects
It is described in detail, it should be understood that being not intended to limit the present invention the foregoing is merely a specific embodiment of the invention
Protection scope, any modification, equivalent substitution, improvement and etc. done all within the spirits and principles of the present invention should all include
Within protection scope of the present invention.
Claims (2)
1. the heat exchanging chamber in integral vibration damping type reactor evaporator, including bundle wrapper (2), U-shaped heat-transfer pipe (1), the U-shaped biography
Heat pipe (1) includes straight pipe and curved section, and the curved section and part straight pipe of U-shaped heat-transfer pipe (1) are located in bundle wrapper (2)
Portion；Water inlet flow channel (21), outlet passage (22) are additionally provided on bundle wrapper (2), which is characterized in that the bundle wrapper (2)
It inside further include the equally distributed N block tube bundle support plate (3) of straight pipe along U-shaped heat-transfer pipe (1), on the tube bundle support plate (3)
The jack (8) to match with U-shaped heat-transfer pipe (1) is set, and U-shaped heat-transfer pipe (1) is inserted into from jack (8), passes through N block tube bundle support
Plate (3), wherein N >=3；The axis for crossing any one single u-shaped heat-transfer pipe (1) both ends straight pipe does section, adjacent on the section
Two single u-shaped heat-transfer pipes (1) between by the connection of several springs (4), spring (4) both ends are separately fixed at two single u-shaped
It on heat-transfer pipe (1), is arranged sheet rubber (5) on the spring (4), through-hole (6) is set on sheet rubber (5), through-hole (6) aperture
Greater than spring (4) line footpath, it is less than spring (4) outer diameter, spring (4) is passed through from the through-hole (6)；The phase of the sheet rubber (5)
Two sides are fixedly connected by connector (7) with U-shaped heat-transfer pipe (1)；The connector (7) is galvanized steel plain sheet；The tube bank
Support plate (3) is detachably connected on bundle wrapper (2) inner wall.
2. the heat exchanging chamber in integral vibration damping type reactor evaporator according to claim 1, which is characterized in that all springs
(4) pressure spring is used.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710373710.2A CN107221357B (en) | 2017-05-24 | 2017-05-24 | Heat exchanging chamber in integral vibration damping type reactor evaporator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710373710.2A CN107221357B (en) | 2017-05-24 | 2017-05-24 | Heat exchanging chamber in integral vibration damping type reactor evaporator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107221357A CN107221357A (en) | 2017-09-29 |
| CN107221357B true CN107221357B (en) | 2019-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710373710.2A Active CN107221357B (en) | 2017-05-24 | 2017-05-24 | Heat exchanging chamber in integral vibration damping type reactor evaporator |
Country Status (1)
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| CN (1) | CN107221357B (en) |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4704577A (en) * | 1986-04-18 | 1987-11-03 | Westinghouse Electric Corp. | Eddy currents probe for measuring a gap between a tube and an antivibration bar |
| FR2709174B1 (en) * | 1993-08-20 | 1995-11-17 | Framatome Sa | Heat exchanger comprising means for holding anti-vibration bars inserted between the tubes of the heat exchanger bundle. |
| CN103868051B (en) * | 2012-12-13 | 2015-08-26 | 中国核动力研究设计院 | PWR nuclear power plant steam generator march-past vibrationproof bar structure |
| CN103871488A (en) * | 2012-12-13 | 2014-06-18 | 中国核动力研究设计院 | Anti-vibration bar structure for steam generator of pressurized water reactor (PWR) nuclear power plant |
| CN103868049B (en) * | 2012-12-13 | 2016-06-01 | 中国核动力研究设计院 | A kind of novel setting-out core power plant steam producer heat transfer tube supporting device |
| CN103106938B (en) * | 2013-01-28 | 2015-10-21 | 华北电力大学 | A kind of spent fuel transport container with damping, protecting against shock spring assembly |
| CN205245135U (en) * | 2015-11-27 | 2016-05-18 | 苏州海陆重工股份有限公司 | Tube bank structure among exhaust -heat boiler |
| CN206806029U (en) * | 2017-05-24 | 2017-12-26 | 安徽科创智慧知识产权服务有限公司 | The nuclear power station heat exchanger chamber of efficient antivibration |
-
2017
- 2017-05-24 CN CN201710373710.2A patent/CN107221357B/en active Active
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| Publication number | Publication date |
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| CN107221357A (en) | 2017-09-29 |
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Effective date of registration: 20171116 Address after: 236800 Bozhou Anhui Industrial Park East of West ring, north of Guanghua Road, south of Guangming West Road Applicant after: Anhui Kechuang wisdom intellectual property services Co. Ltd. Address before: 610000 Sichuan city of Chengdu province high tech Zone sub Road No. 88 2 10 storey building No. 1002 Applicant before: SICHUAN XINGZHI ZHIHUI INTELLECTUAL PROPERTY OPERATION CO., LTD. |
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