CN206803104U - Evaporator part vibration absorber for nuclear power reactor - Google Patents
Evaporator part vibration absorber for nuclear power reactor Download PDFInfo
- Publication number
- CN206803104U CN206803104U CN201720587962.0U CN201720587962U CN206803104U CN 206803104 U CN206803104 U CN 206803104U CN 201720587962 U CN201720587962 U CN 201720587962U CN 206803104 U CN206803104 U CN 206803104U
- Authority
- CN
- China
- Prior art keywords
- spring
- transfer pipe
- shaped heat
- sheet rubber
- nuclear power
- 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
Abstract
The utility model discloses the evaporator part vibration absorber for nuclear power reactor, including bundle wrapper, some single u-shaped heat-transfer pipes, U-shaped heat-transfer pipe includes straight length and curved section, and the curved section and part straight length of U-shaped heat-transfer pipe are located inside bundle wrapper；It is fixedly connected between adjacent two single u-shaped heat-transfer pipe by some connecting rods；Also include spring, the spring one end is fixedly connected on bundle wrapper inwall, and the other end is fixedly connected on the curved section of U-shaped heat-transfer pipe, and axle of spring is conllinear with the centre symmetry line for the U-shaped heat-transfer pipe being attached thereto；Also include the sheet rubber being set on spring, through hole is set on sheet rubber, the through-hole aperture is more than spring line footpath, less than spring outer diameter；The opposite sides side of the sheet rubber is fixedly connected by connector with the inwall of bundle wrapper.The utility model is bad using vibrationproof bar damping efficiency in the prior art to solve the problems, such as, realizes the purpose for improving damping efficiency, increasing the service life.
Description
Technical field
It the utility model is related to nuclear power plant reactor steam generator field of heat transfer, and in particular to for nuclear power reactor
Evaporator part vibration absorber.
Background technology
Steam generator is the jumbo that pressure vessel is only second in nuclear power station.Its effect is from core primary Ioops water
The heat transfer taken out of in reactor gives secondary circuit water, and it is become steam.There are thousands of thin-walleds to pass inside steam generator
Heat pipe, vertical, inverted-loop tube, natural circulation steam generator can be divided into according to heat transfer tube shape.Primary Ioops water flows in heat-transfer pipe
Dynamic, secondary circuit water is flowed outside pipe, and 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 generated electricity.Due to there is current flowing inside and outside heat-transfer pipe, heat-transfer pipe is produced by water currents to shake
It is dynamic the irreversible damage such as fretting, stress corrosion to be caused to heat-transfer pipe.Therefore added in the prior art on heat-transfer pipe
Vibrationproof bar reduces vibration.But existing vibrationproof bar is only supported to the bending section of heat-transfer pipe, while it uses rigid support
Mode is consolidated, and rigid support member is big all the better by water impact, and its effectiveness in vibration suppression is limited, service life is limited.
Utility model content
The purpose of this utility model is to provide the evaporator part vibration absorber for nuclear power reactor, existing to solve
The problem of using vibrationproof bar damping efficiency bad in technology, realize the purpose for improving damping efficiency, increasing the service life.
The utility model is achieved through the following technical solutions：
For the evaporator part vibration absorber of nuclear power reactor, including bundle wrapper, some single u-shaped heat-transfer pipes, the U
Type heat-transfer pipe includes straight length and curved section, and the curved section and part straight length of U-shaped heat-transfer pipe are located inside bundle wrapper；Tube bank
Water inlet flow channel, outlet passage are additionally provided with coaming plate, is fixedly connected between adjacent two single u-shaped heat-transfer pipe by some connecting rods；
Also include spring, the spring one end is fixedly connected on bundle wrapper inwall, and the other end is fixedly connected on the curve of U-shaped heat-transfer pipe
Section, and axle of spring is conllinear with the centre symmetry line for the U-shaped heat-transfer pipe being attached thereto；Also include the rubber being set on spring
Piece, through hole is set on sheet rubber, and the through-hole aperture is more than spring line footpath, less than spring outer diameter；Relative the two of the sheet rubber
Side is fixedly connected by connector with the inwall of bundle wrapper.
Only bending section is supported for vibrationproof bar in the prior art, while asked using vibrationproof bar damping efficiency is bad
Topic, the utility model proposes the evaporator part vibration absorber for nuclear power reactor, including existing U-shaped heat-transfer pipe and pipe
Beam coaming plate, the in-out end of U-shaped heat-transfer pipe is set according to existing way through bundle wrapper, wherein U-shaped heating surface bank is one time
Road water provides runner, and secondary circuit water enters in bundle wrapper from the water inlet flow channel of bundle wrapper, and hot friendship is carried out with U-shaped heating surface bank
Flowed out after changing from outlet passage.
It is fixedly connected between adjacent two single u-shaped heat-transfer pipe by some connecting rods, is by some connecting rods, by respectively
U-shaped heat-transfer pipe is connected as an entirety, avoid in the prior art U-shaped heat-transfer pipe be separately provided, each vibrate.By
It is fixedly connected with some U-shaped heat-transfer pipes for overall structure, it is limited by some connecting rods in the lateral direction, Wu Fazai
Freely rocked, so as to improve integrally-built stability, largely reduce oscillation crosswise frequency and amplitude, from
And being able to ensure that U-shaped heat-transfer pipe has more preferable lateral stability.Also include spring, spring one end is fixedly connected on bundle wrapper
Inwall, the other end is fixedly connected on the curved section of U-shaped heat-transfer pipe, and the centre symmetry line of axle of spring and U-shaped heating surface bank is total to
Line, be the top that spring is connected to the curved section of U-shaped heat-transfer pipe, due to some U-shaped heat-transfer pipes become by connecting rod it is whole
Body, therefore spring is connected on any U-shaped heat-transfer pipe.It is connected between U-shaped heat-transfer pipe and bundle wrapper, is passed through by spring
Spring is offset to the vibration on U-shaped heat-transfer pipe longitudinal direction, and the kinetic energy of vibration is rapidly converted into elastic potential energy is consumed.But
If being to carry out vibration damping only by spring, spring by upper and lower vibration is produced after water impact under the drive of U-shaped heat-transfer pipe,
Elastic potential energy of the spring consumption is very slow, and spring, which can carry out constantly elongation, to be shortened up to being completely consumed elastic potential energy, this process consumption
When it is longer effectiveness in vibration suppression can be caused bad, U-shaped heat-transfer pipe can still be rocked repeatedly along axle of spring direction.Therefore this practicality is new
Type is also provided with being set in the sheet rubber on spring, and the wire of spring is passed through in the through hole on sheet rubber, simultaneously because through hole
Aperture is less than spring outer diameter, therefore sheet rubber is enclosed on spring and will not fall off, during spring carries out constantly elongation shortening,
Because spring can not be integrally through through hole, therefore spring is isolated into two parts by sheet rubber, and two parts spring is constantly right respectively
Sheet rubber is extruded to both sides, quick to consume great number of elastic potential energy by the interior rubbing action of sheet rubber, rapidly by elastic potential
Interior energy can be converted into be consumed, avoiding elastic potential energy when using spring damping merely needs to be disappeared by external drag
Consumption, the problem of depletion rate is slow, so as to largely improve damping efficiency；Water impact also can on sheet rubber simultaneously
Impulsive force is offset by the elasticity of sheet rubber, therefore also solves conventional rigid shock absorption bar and uses the longevity under long-term impact
The problem of life is not long.The opposite sides side of sheet rubber is fixedly connected by connector with the inwall of bundle wrapper, so that rubber
Film both ends are fixed, and will not be moved with current.
Preferably, M block sheet rubbers, wherein M >=2 are arranged with the spring.At least two pieces are arranged on a spring
Sheet rubber, the depletion rate to elastic potential energy is more improved, so as to more improve damping efficiency.
Preferably, the connector is rigid connector.Ensure that intensity improves stability.
Preferably, if the water (flow) direction of plane where sheet rubber is towards direction where U-shaped heat-transfer pipe, the spring is drawing
Spring；If the water (flow) direction of plane is directed away from direction where U-shaped heat-transfer pipe where sheet rubber, the spring is stage clip.It is
So that spring to the active force of sheet rubber all the time towards the opposite direction of current, so as to sheet rubber is provided all the time reset it is outer
Power, sheet rubber is quick to carry out interior friction consumption elastic potential energy under relative bourn acting force and acting force of the spring collective effect,
Excellent effectiveness in vibration suppression is more ensured with this.
Preferably, the tube bundle support plate is detachably connected on bundle wrapper inwall.It is easy to clear to being carried out in bundle wrapper
Reason, is conveniently replaceable heat-transfer pipe.
The connecting rod is made by argent.Argent has very high thermal conductivity factor, therefore connects phase by connecting rod
Adjacent two U-shaped heat-transfer pipes, additionally it is possible to improve heat exchange area, improve the heat exchanger effectiveness of reactor evaporator.
The utility model compared with prior art, has the following advantages and advantages：
1st, the utility model be used for nuclear power reactor evaporator part vibration absorber, adjacent two single u-shaped heat-transfer pipe it
Between be fixedly connected by some connecting rods, be by some connecting rods, each U-shaped heat-transfer pipe connected whole as one
Body, avoid in the prior art U-shaped heat-transfer pipe be separately provided, each vibrate.Because some U-shaped heat-transfer pipes are fixedly connected with
For overall structure, it is limited by some connecting rods in the lateral direction, can not freely be rocked again, so as to improve entirety
The stability of structure, oscillation crosswise frequency and amplitude are largely reduced, so as to ensure that it is more preferable that U-shaped heat-transfer pipe has
Lateral stability.
2nd, the utility model is used for the evaporator part vibration absorber of nuclear power reactor, is also provided with being set on spring
Sheet rubber, the wire of spring is passed through in the through hole on sheet rubber, simultaneously because through-hole aperture is less than spring outer diameter, therefore rubber
Piece is enclosed on spring and will not fall off, spring carry out constantly elongation shorten during, due to spring can not integrally through through hole,
Therefore spring is isolated into two parts by sheet rubber, and two parts spring constantly extrudes sheet rubber to both sides respectively, by rubber
The interior rubbing action of film, it is quick to consume great number of elastic potential energy, elastic potential energy is rapidly converted into interior energy and consumed, is avoided
It is simple need to be consumed by external drag using elastic potential energy during spring damping, the problem of depletion rate is slow, so as to pole
Damping efficiency is improved in big degree；Water impact can also be entered on sheet rubber by the elasticity of sheet rubber to impulsive force simultaneously
Row is offset, therefore the problem of also solve conventional rigid shock absorption bar service life is not long under long-term impact.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding the utility model embodiment, forms the one of the application
Part, the restriction to the utility model embodiment is not formed.In the accompanying drawings：
Fig. 1 is the sectional view of the utility model specific embodiment；
Fig. 2 is the partial structural diagram of spring and sheet rubber in the utility model specific embodiment.
Mark and corresponding parts title in accompanying drawing：
1-U type heating surface banks, 2- bundle wrappers, 21- water inlet flow channels, 22- outlet passages, 3- connecting rods, 4- springs, 5- rubber
Piece, 6- through holes, 7- connectors.
Embodiment
For the purpose of this utility model, technical scheme and advantage is more clearly understood, with reference to embodiment and accompanying drawing,
The utility model is described in further detail, and exemplary embodiment of the present utility model and its explanation are only used for explaining this
Utility model, it is not intended as to restriction of the present utility model.
Embodiment 1：
The evaporator part vibration absorber for nuclear power reactor as shown in Figures 1 and 2, including it is bundle wrapper 2, some
Single u-shaped heat-transfer pipe 1, the U-shaped heat-transfer pipe 1 include straight length and curved section, the curved section and part straight length of U-shaped heat-transfer pipe 1
Inside bundle wrapper 2；Water inlet flow channel 21, outlet passage 22, adjacent two single u-shaped heat-transfer pipe 1 are additionally provided with bundle wrapper 2
Between be fixedly connected by some connecting rods 3；Also including spring 4, described one end of spring 4 is fixedly connected on the inwall of bundle wrapper 2,
The other end is fixedly connected on the curved section of U-shaped heat-transfer pipe 1, and the center pair of the axis of spring 4 and the U-shaped heat-transfer pipe 1 being attached thereto
Claim line conllinear；Also include the sheet rubber 5 being set on spring 4, through hole 6 is set on sheet rubber 5, the aperture of through hole 6 is more than bullet
The line footpath of spring 4, less than the external diameter of spring 4；The opposite sides side of the sheet rubber 5 is fixed by the inwall of connector 7 and bundle wrapper 2
Connection.M blocks sheet rubber 5, wherein M >=2 are arranged with the spring 4.The connector 7 is rigid connector.If the institute of sheet rubber 5
Plane water (flow) direction towards the U-shaped place direction of heat-transfer pipe 1, then the spring 4 is extension spring；If the place plane of sheet rubber 5
Water (flow) direction is directed away from the U-shaped place direction of heat-transfer pipe 1, then the spring 4 is stage clip.The tube bundle support plate 3 detachably connects
It is connected on the inwall of bundle wrapper 2.The connecting rod 3 is made by argent.By some between adjacent two single u-shaped heat-transfer pipe 1
Root connecting rod 3 is fixedly connected, and is by some connecting rods 3, each U-shaped heat-transfer pipe 1 is connected as an entirety, is avoided existing
There is U-shaped heat-transfer pipe in technology to be separately provided, each vibrate.Because some U-shaped heat-transfer pipes are fixedly connected with for entirety
Structure, it is limited by some connecting rods in the lateral direction, can not freely be rocked again, integrally-built steady so as to improve
It is qualitative, oscillation crosswise frequency and amplitude are largely reduced, so as to ensure that it is preferably laterally steady that U-shaped heat-transfer pipe has
It is qualitative.It is also provided with being set in the sheet rubber on spring, the wire of spring is passed through in the through hole on sheet rubber, simultaneously because logical
Hole aperture is less than spring outer diameter, therefore sheet rubber is enclosed on spring and will not fall off, and constantly elongation shortening process is carried out in spring
In, because spring can not be integrally through through hole, therefore spring is isolated into two parts by sheet rubber, and two parts spring difference is continuous
Sheet rubber is extruded to both sides, it is quick to consume great number of elastic potential energy by the interior rubbing action of sheet rubber, rapidly by elasticity
Potential energy is that interior energy is consumed, and avoiding elastic potential energy when using spring damping merely needs to be disappeared by external drag
Consumption, the problem of depletion rate is slow, so as to largely improve damping efficiency；Water impact also can on sheet rubber simultaneously
Impulsive force is offset by the elasticity of sheet rubber, therefore also solves conventional rigid shock absorption bar and uses the longevity under long-term impact
The problem of life is not long.
Above-described embodiment, the purpose of this utility model, technical scheme and beneficial effect are entered
One step describes in detail, should be understood that and the foregoing is only specific embodiment of the present utility model, is not used to limit
Determine the scope of protection of the utility model, all any modifications made within the spirit and principles of the utility model, equivalent substitution,
Improve etc., it should be included within the scope of protection of the utility model.
Claims (6)
1. it is used for the evaporator part vibration absorber of nuclear power reactor, including bundle wrapper (2), some single u-shaped heat-transfer pipes (1),
The U-shaped heat-transfer pipe (1) includes straight length and curved section, and the curved section and part straight length of U-shaped heat-transfer pipe (1) enclose positioned at tube bank
Plate (2) is internal；Water inlet flow channel (21), outlet passage (22) are additionally provided with bundle wrapper (2), it is characterised in that adjacent two U
It is fixedly connected between type heat-transfer pipe (1) by some connecting rods (3)；Also include spring (4), described spring (4) one end, which is fixed, to be connected
It is connected on bundle wrapper (2) inwall, the other end is fixedly connected on the curved section of U-shaped heat-transfer pipe (1), and spring (4) axis and therewith
The centre symmetry line of the U-shaped heat-transfer pipe (1) of connection is conllinear；Also include the sheet rubber (5) being set on spring (4), sheet rubber (5)
Upper setting through hole (6), through hole (6) aperture are more than spring (4) line footpath, less than spring (4) external diameter；The sheet rubber (5)
Opposite sides side is fixedly connected by connector (7) with the inwall of bundle wrapper (2).
2. the evaporator part vibration absorber according to claim 1 for nuclear power reactor, it is characterised in that the bullet
M blocks sheet rubber (5), wherein M >=2 are arranged with spring (4).
3. the evaporator part vibration absorber according to claim 1 for nuclear power reactor, it is characterised in that the company
Fitting (7) is rigid connector.
4. the evaporator part vibration absorber according to claim 1 for nuclear power reactor, it is characterised in that if rubber
The water (flow) direction of plane is towards direction where U-shaped heat-transfer pipe (1) where piece (5), then the spring (4) is extension spring；If sheet rubber
(5) water (flow) direction of plane is directed away from direction where U-shaped heat-transfer pipe (1) where, then the spring (4) is stage clip.
5. the evaporator part vibration absorber according to claim 1 for nuclear power reactor, it is characterised in that the pipe
Bundle branch fagging (3) is detachably connected on bundle wrapper (2) inwall.
6. the evaporator part vibration absorber according to claim 1 for nuclear power reactor, it is characterised in that the company
Bar (3) is made by argent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720587962.0U CN206803104U (en) | 2017-05-24 | 2017-05-24 | Evaporator part vibration absorber for nuclear power reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720587962.0U CN206803104U (en) | 2017-05-24 | 2017-05-24 | Evaporator part vibration absorber for nuclear power reactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206803104U true CN206803104U (en) | 2017-12-26 |
Family
ID=60742308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720587962.0U Active CN206803104U (en) | 2017-05-24 | 2017-05-24 | Evaporator part vibration absorber for nuclear power reactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206803104U (en) |
-
2017
- 2017-05-24 CN CN201720587962.0U patent/CN206803104U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110285588B (en) | Solar heat collecting device | |
| CN110285587B (en) | Solar steam system | |
| CN111256374B (en) | Solar air heating device with heat release pipe groups distributed in staggered manner | |
| CN206673403U (en) | A kind of industrial generation of electricity by new energy box-type substation | |
| CN103868049B (en) | A kind of novel setting-out core power plant steam producer heat transfer tube supporting device | |
| CN103594127A (en) | Energy-saving nuclear power evaporator | |
| CN206806029U (en) | The nuclear power station heat exchanger chamber of efficient antivibration | |
| CN206803104U (en) | Evaporator part vibration absorber for nuclear power reactor | |
| CN106288909B (en) | A kind of plane inflection type elasticity-intensified heat exchange tube bundle and heat exchanger | |
| CN107228352B (en) | A kind of heat exchange structure of reactor evaporator | |
| CN107036068B (en) | Steam generator vibration-proof structure in nuclear-power reactor | |
| CN206944124U (en) | Shock reducing type evaporator heat exchange structure | |
| CN203454869U (en) | Multiple continuous baffle plate-supported high-efficiency heat exchange tube heat exchanger | |
| CN207649442U (en) | A kind of baffle ring structure with pooling feature on wound tube heat exchanger | |
| CN108398046A (en) | A kind of photo-thermal autoclave evaporator tube bank fixed structure | |
| CN107221357B (en) | Heat exchanging chamber in integral vibration damping type reactor evaporator | |
| CN114294839A (en) | Flat plate type solar heat collector with elastic heat radiation body | |
| CN203443414U (en) | High-efficient heat exchanger for deep coal mine | |
| CN201242378Y (en) | Novel shell type heat exchanger | |
| CN203443415U (en) | Mine drainage micro-turbulence heat exchanger | |
| CN103673307A (en) | Heat absorber of tower-type solar thermal power generation equipment | |
| CN201672727U (en) | Fold-line heat absorbing flow channel of balcony-style flat-panel solar heat collector | |
| CN201876162U (en) | Coaxial spiral tubes heat exchanger | |
| CN206670418U (en) | A kind of oily salt heat exchanger | |
| CN218544866U (en) | Tower-type gas-liquid mixed flow pipe row heat absorption device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |