CN108954288A - A kind of tube bank anti-vibration strip damping unit and limit method - Google Patents
A kind of tube bank anti-vibration strip damping unit and limit method Download PDFInfo
- Publication number
- CN108954288A CN108954288A CN201810762391.9A CN201810762391A CN108954288A CN 108954288 A CN108954288 A CN 108954288A CN 201810762391 A CN201810762391 A CN 201810762391A CN 108954288 A CN108954288 A CN 108954288A
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- China
- Prior art keywords
- screw rod
- damping unit
- vibration strip
- vibration
- tube bank
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Classifications
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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
- F22B37/02—Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
- F22B37/10—Water tubes; Accessories therefor
- F22B37/107—Protection of water tubes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention discloses a kind of tube bank anti-vibration strip damping units, its installation site is between the tube bundle assembly of steam generator and the lower case of steam generator, several anti-vibration strips are equipped in tube bundle assembly, the end of anti-vibration strip is fixing end, fixing end is pierced by tube bundle assembly, tube bank anti-vibration strip damping unit is connect with fixing end, and tube bank anti-vibration strip damping unit includes the flexible several fixed cells for connecting length-adjustable several damping units of different fixing ends and being connected and fixed end and lower case.The utility model has the advantages that the length of damping unit is adjustable, it can prevent the relative position of adjacent anti-vibration strip from shifting.Fixed cell has elasticity, can prevent the relative position of anti-vibration strip and lower case from shifting, and can buffer the vibration that tube bundle assembly generates at work, is conducive to keep the heat exchange efficiency of steam generator stable and reduces the risk of whole system damage.The present invention relates to the steam generators in compressed water reactor nuclear power equipment.
Description
Technical field
The present invention relates to the steam generator in compressed water reactor nuclear power equipment, in particular to a kind of tube bank anti-vibration strip damping dress
It sets.
Background technique
Steam generator is the hinge of PWR nuclear power plant primary Ioops, secondary circuit, belongs to core first device, and major function is
Using the U heat exchange in lower tube bundle component, the reactor coolant from primary Ioops is mixed with the carbonated drink from secondary circuit
It closes object and heat exchange is carried out by U heat exchange tube wall, so that steam water interface is swashed acute vaporization, generate a large amount of Steam Actuation steam turbine
Acting power generation.In the operational process of steam generator, if tube bundle assembly occurs vibration and will affect heat exchange efficiency, hair is directly affected
Electrical efficiency, or even influence the service life of steam turbine.
Steam generator and checks that its position meets when putting on the 1st column, the 2nd column U heat exchange in the tube bank fabrication stage
After drawing requirement, first layer anti-vibration strip is inserted into, after the position and gap for measuring anti-vibration strip meet design requirement, continues that U is installed
Type heat exchanger tube and anti-vibration strip, until all U heat exchange whole polings finish.In above-mentioned manufacturing process, each step of anti-vibration strip
Installation all controls offset and the gap of the corresponding U heat exchange top center line of anti-vibration strip, it is ensured that in tube bundle assembly
Fabrication stage anti-vibration strip installation site meets design drawing requirement.
Drawback of the prior art is that: U heat exchange and anti-vibration strip lack fixed and buffer unit, due to by product structure
Design limitation, in subsequent manufacturing activities, the rotation or movement of lower cylinder component, at product shipping nuclear power station scene
In the process, antidetonation bar assembly has the risk to shift, its final position is caused to be possible to be unsatisfactory for design requirement；Steam generation
The vibration that device equipment is restrained at runtime is not limited and is buffered, and keeps the heat exchange efficiency of steam generator lower, and meeting
Reduce the service life of whole system.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of tube bank anti-vibration strip damping unit, it can prevent from transporting or construct
Anti-vibration strip shifts in the process, can buffer the vibration that tube bundle assembly generates at work.
Used technical solution to solve above-mentioned technical problem: a kind of tube bank anti-vibration strip damping unit, installation site
Between the tube bundle assembly of steam generator and the lower case of steam generator, several anti-vibration strips, antidetonation are equipped in tube bundle assembly
The end of item is fixing end, and fixing end is pierced by tube bundle assembly, and tube bank anti-vibration strip damping unit is connect with fixing end, restrains anti-vibration strip
Damping unit includes connecting length-adjustable several damping units of different fixing ends and being connected and fixed having for end and lower case
Several fixed cells of elasticity.
As an improvement, damping unit includes the first screw rod, the second screw rod and first sleeve, the first screw rod and the second screw rod divide
It first sleeve and Cha Ru not be threadedly engaged with first sleeve.
As an improvement, damping unit further includes the first lock nut for being respectively provided at first sleeve both ends, the first locking spiral shell
Mother is respectively sleeved on the first screw rod and the second screw rod.
As an improvement, the first screw rod and the second screw rod are respectively articulated with the first bindiny mechanism connecting with fixing end.
As an improvement, fixed cell includes third screw rod and the first baffle being respectively sleeved on third screw rod and second gear
Plate, third screw rod and second baffle are connect with fixing end and lower case respectively, and first baffle is fixed on third screw rod, third spiral shell
Bar is equipped with spring movably through second baffle between first baffle and second baffle.
As an improvement, fixed cell further includes sleeve, first baffle, second baffle and spring are located in sleeve, on sleeve
Equipped with peep hole and scale, the side of second baffle is equipped with the adjusting nut being set on third screw rod.
As an improvement, being hinged with the second bindiny mechanism connecting with lower case on sleeve, it is hinged on third screw rod and solid
The third bindiny mechanism of fixed end connection.
As an improvement, third bindiny mechanism is equipped at least two fixed jaws, fixed interval (FI) is equipped between fixed jaw, it is fixed
In the insertion fixed interval (FI) of end.
As an improvement, be equipped with the 4th screw rod between third screw rod and the second bindiny mechanism, third screw rod and the 4th screw rod it
Between be equipped with the second casing, third screw rod and the 4th screw rod are inserted into the second casing respectively and cooperate in the second casing threads, second set
The both ends of pipe are respectively equipped with the second lock nut.
A kind of tube bank anti-vibration strip limit method limits anti-vibration strip using tube bank anti-vibration strip damping unit.
The utility model has the advantages that the length of damping unit is adjustable, it can prevent the relative position of adjacent anti-vibration strip from shifting.It is fixed single
Member has elasticity, can prevent the relative position of anti-vibration strip and lower case from shifting, and can buffer tube bundle assembly and produce at work
Raw vibration is conducive to keep the heat exchange efficiency of steam generator stable and reduces the risk of whole system damage.
Detailed description of the invention
Following further describes the present invention with reference to the drawings:
Fig. 1 is the schematic view of the mounting position of the embodiment of the present invention 1；
Fig. 2 is the top view of Fig. 1 of the embodiment of the present invention 1；
Fig. 3 is the enlarged drawing of the part A of Fig. 1 of the embodiment of the present invention 1；
Fig. 4 is the structural schematic diagram of the damping unit of the embodiment of the present invention 1；
Fig. 5 is the perspective view of the damping unit of the embodiment of the present invention 1；
Fig. 6 is the structural schematic diagram of the fixation device of the embodiment of the present invention 1；
Fig. 7 is the perspective view of the fixation device of the embodiment of the present invention 1；
Fig. 8 is the structural schematic diagram of the fixation device of the embodiment of the present invention 2；
The noun and label that embodiment and Figure of description are related to include: lower case 1, heat exchanger tube 2, anti-vibration strip 3, fixing end
4, damping unit 5, fixed cell 6, the first screw rod 7, the second screw rod 8, first sleeve 9, the first lock nut 10, first connect machine
Structure 11, the first articulated shaft 12, the first clamping section 13, the second clamping section 14, third screw rod 15, first baffle 16, second baffle 17,
Spring 18, sleeve 19, peep hole 20, adjusting nut 21, connecting plate 22, the second bindiny mechanism 23, the second articulated shaft 24, third connect
Connection mechanism 25, third articulated shaft 26, fixed jaw 27, the 4th screw rod 28, the second casing 29, the second lock nut 30.
Specific embodiment
Embodiment 1:
Referring to figs. 1 to 7, a kind of 3 damping unit of tube bank anti-vibration strip, installation site steam generator tube bundle assembly with
Between the lower case 1 of steam generator, tube bundle assembly includes several heat exchanger tubes 2 of layered arrangement, is equipped between each layer heat exchanger tube 2
Gap is restrained, 3 component of anti-vibration strip is equipped in tube bundle assembly, 3 component of anti-vibration strip includes several antidetonations being arranged in tube bank gap
Item 3, the end of anti-vibration strip 3 are fixing end 4, and fixing end 4 is pierced by tube bundle assembly from tube bank gap, restrain 3 damping unit of anti-vibration strip
It is connect with fixing end 4.In order to buffer the vibration of the generation of anti-vibration strip 3 and prevent the position of anti-vibration strip 3 from shifting, anti-vibration strip is restrained
3 damping units include connecting length-adjustable several damping units 5 of different fixing ends 4 and being connected and fixed to hold 4 and lower case 1
Flexible several fixed cells 6.The length of damping unit 5 is adjustable, can prevent the relative position of adjacent anti-vibration strip 3 from occurring inclined
It moves.Fixed cell 6 has elasticity, can prevent anti-vibration strip 3 and the relative position of lower case 1 from shifting, and can buffer tube bank group
The vibration that part generates at work is conducive to keep the heat exchange efficiency of steam generator stable and reduces the wind of whole system damage
Danger.
In order to keep the length of damping unit 5 adjustable, damping unit 5 includes the first screw rod 7, the second screw rod 8 and first sleeve
9, the first screw rod 7 and the second screw rod 8 are inserted into first sleeve 9 respectively and are threadedly engaged with first sleeve 9.First screw rod 7 and second
The hand of spiral of screw rod 8 is opposite.By rotating first sleeve 9, the first screw rod 7 and the second screw rod 8 can be made respectively along its axis phase
It is mutually close, shorten the length of damping unit 5.By reversely rotating first sleeve 9, the first screw rod 7 and the second screw rod 8 can be made to divide
It is not located remotely from each other along its axis, makes the length elongation of damping unit 5.
In order to fix the length of damping unit 5, damping unit 5 further includes the first lock for being respectively provided at 9 both ends of first sleeve
Determine nut 10, the first lock nut 10 is respectively sleeved on the first screw rod 7 and the second screw rod 8.By screwing 9 both ends of first sleeve
The first lock nut 10, can prevent the length of damping unit 5 from changing, be beneficial to prevent the opposite position between anti-vibration strip 3
It sets and shifts.
Damping unit bends in order to prevent, and the first screw rod 7 and the second screw rod 8 have been respectively articulated with and have connect with fixing end 4
The first bindiny mechanism 11, be respectively equipped with the first articulated shaft between the first bindiny mechanism 11 and the first screw rod 7 and the second screw rod 8
12.First articulated shaft 12 keeps damping unit 5 flexible, when there is the trend of opposite offset between each anti-vibration strip 3, can prevent
The bending damage of damping unit 5.First bindiny mechanism 11 is equipped with the first clamping section 13 and the second clamping section 14 of protrusion, the first folder
It is equipped with fixing groove between tight portion 13 and the second clamping section 14, the end of the first clamping section 13 and the second clamping section 14 is equipped with screw thread
The fixing end 4 in hole, anti-vibration strip 3 is inserted into fixing groove, then tightens the first clamping section 13 and the second clamping section 14 by screw, makes to resist
The fixing end 4 of shake item 3 is clamped in fixing groove.5 both ends of damping unit of the present embodiment are separately connected in same tube bank gap
Two anti-vibration strips 3 fixed part, can prevent the relative position between the different anti-seismic item 3 in same tube bank gap from occurring inclined
It moves.
In order to make fixed cell 6 have elasticity, fixed cell 6 includes third screw rod 15 and is respectively sleeved at third screw rod 15
On first baffle 16 and second baffle 17, third screw rod 15 and second baffle 17 connect with fixing end 4 and lower case 1 respectively,
First baffle 16 is fixed on third screw rod 15, and third screw rod 15 is movably through second baffle 17, first baffle 16 and
Spring 18 is equipped between two baffles 17, spring 18 is set on third screw rod 15, and the both ends of spring 18 are born against in first gear
On plate 16 and second baffle 17, make to connect between third screw rod 15 and second baffle 17 by spring 18, when anti-vibration strip 3 and lower casing
When generating vibration between body 1, spring 18 can snubber vibration, be beneficial to prevent between anti-vibration strip 3 and lower case 1 occur it is inclined
It moves, be conducive to keep the heat exchange efficiency of steam generator stable and reduce the risk of whole system damage.
For the pressure being adjusted between anti-vibration strip 3 and lower case 1, fixed cell 6 further includes sleeve 19, first baffle
16, second baffle 17 and spring 18 are located in sleeve 19, and sleeve 19 is equipped with peep hole 20 and scale, the side of second baffle 17
Equipped with the adjusting nut 21 being set on third screw rod 15.Sleeve 19 can prevent from occurring between spring 18 and second baffle 17 wrong
Position.Adjusting nut 21 is adjustable and fixes the distance between first baffle 16 and second baffle 17, and then adjusts the pressure of spring 18
Contracting amount makes to generate certain pressure between anti-vibration strip 3 and lower case 1, can prevent the relative position of anti-vibration strip 3 and lower case 1 from sending out
Raw offset, and the vibration that tube bundle assembly generates at work can be buffered, be conducive to keep the heat exchange efficiency of steam generator to stablize
And reduce the risk of whole system damage.Peep hole 20 and scale can make spring 18 convenient for the position of observation first baffle 16
Deflection can be visually observed that, the deflection for cooperating different demands that spring 18 is adjusted flexibly is conducive to, can also be convenient for inspection
The 18 decrement state of spring for looking into each fixed cell 6, facilitates work-up maintenance.
Fixed cell 6 is bent in order to prevent, and the side wall of sleeve 19 is equipped with the connecting plate being centered around around adjusting nut 21
22, the second bindiny mechanism 23 is hinged on connecting plate 22, and the second articulated shaft is equipped between connecting plate 22 and the second bindiny mechanism 23
24, the second bindiny mechanism 23 connect with lower case 1.The third bindiny mechanism connecting with fixing end 4 is hinged on third screw rod 15
25, third articulated shaft 26 is equipped between third bindiny mechanism 25 and third screw rod 15.Second articulated shaft 24 and third articulated shaft 26
Keeping fixed cell 6 flexible, when there is the trend of opposite offset between anti-vibration strip 3 and lower case 1, fixed cell 6 can be prevented
Bending damage.
The position of the anti-vibration strip 3 between different tube bank gaps occurs to deviate relatively in order to prevent, in third bindiny mechanism 25
If being set between six fixed jaws 27 there are five fixed interval (FI), each fixing end 4 is inserted into fixed interval (FI) respectively there are six fixed jaw 27
Interior, fixed jaw 27 is equipped with threaded hole, and installing tabletting additional at threaded hole can be fixedly clamped end 4, can prevent fixing end 4 from falling off.This
The arc-shaped distribution in end of the fixed jaw 27 of embodiment can be used for fixing the fixing end 4 of arc arrangement.Between difference tube bank gap
Fixing end 4 be connected in the same third bindiny mechanism 25, prevent it is different tube bank gaps between anti-vibration strip 3 positions hair
Raw opposite offset.
Part falls off in order to prevent, and the fastener in damping unit 5 and fixed cell 6 is fixed by welding to adjacent zero
On part, fastener include the screw being located between the first clamping section 13 and the second clamping section 14 and be located at the first bindiny mechanism 11 with
The first articulated shaft 12 between first screw rod 7 or the second screw rod 8.Pin shaft parts are connected to adjacent part by wirerope
On.Pin shaft parts include the second articulated shaft 24 being located between the second bindiny mechanism 23 and sleeve 19 and be located at third connection machine
Third articulated shaft 26 between structure 25 and third screw rod 15.Locking measures, which can reduce part and fall, causes other devices such as steam turbine
A possibility that damage.
A kind of 3 limit method of tube bank anti-vibration strip limits anti-vibration strip 3 using tube bank 3 damping unit of anti-vibration strip, anti-
It shakes and damping unit 5 is installed between the fixing end 4 of item 3, the first bindiny mechanism 11 is made to be fixedly clamped end 4, then pass through rotation first set
Pipe 9 adjusts the length of damping unit 5, is fixed the relative position of fixing end 4, then screw the first lock nut 10.In antidetonation
Fixed cell 6 is installed between the fixing end 4 and lower case 1 of item 3, keeps the second bindiny mechanism 23 and lower case 1 solid by fastener
Fixed connection, is fixedly connected with third bindiny mechanism 25 with fixing end 4, then rotating adjusting nut 21, keeps spring 18 compressed, makes solid
Certain pressure, last lock adjustment nut 21 are formed between order member 6 and the fixing end 4 of anti-vibration strip 3.Damping unit 5 and solid
After order member 6 is installed, by between the first clamping section 13 and the second clamping section 14 screw and the first articulated shaft 12 pass through weldering
It connects and is fixed in the first bindiny mechanism 11, wirerope is added on the second articulated shaft 24 and third articulated shaft 26 and be connected to adjacent
On part, it can prevent it from falling off and fall into piping.
Embodiment 2:
Referring to figs. 1 to 8, in order to can adjust the length of fixed cell 6, set between third screw rod 15 and the second bindiny mechanism 23
There is the 4th screw rod 28, the second casing 29, third screw rod 15 and the 4th screw rod 28 are equipped between third screw rod 15 and the 4th screw rod 28
It is inserted into the second casing 29 respectively and is threadedly engaged in the second casing 29, the both ends of the second casing 29 are respectively equipped with the second lock nut
30.The hand of spiral of third screw rod 15 and the 4th screw rod 28 in the present embodiment is on the contrary, can make third by rotating the second casing 29
Screw rod 15 and the 4th screw rod 28 are close to each other, and fixed cell 6 can be made to shorten.It can make third spiral shell by reversely rotating the second casing 29
Bar 15 and the 4th screw rod 28 are located remotely from each other, and fixed cell 6 can be made to extend.By screwing the second lock nut 30, can make fixed single
The length of member 6 remains unchanged.The decrement of spring 18 can also be further adjusted by adjusting the length of fixed cell 6.
Embodiments of the present invention are explained in detail above in conjunction with attached drawing, but the present invention is not limited to above-mentioned embodiment party
Formula, technical field those of ordinary skill within the scope of knowledge, can also be before not departing from present inventive concept
Put that various changes can be made.
Claims (10)
1. a kind of tube bank anti-vibration strip damping unit, installation site is under the tube bundle assembly and steam generator of steam generator
Between shell, several anti-vibration strips are equipped in tube bundle assembly, the end of anti-vibration strip is fixing end, and fixing end is pierced by tube bundle assembly, is managed
Beam anti-vibration strip damping unit is connect with fixing end, it is characterised in that: length-adjustable several resistances including connecting different fixing ends
Buddhist nun's unit and the flexible several fixed cells for being connected and fixed end and lower case.
2. a kind of tube bank anti-vibration strip damping unit according to claim 1, it is characterised in that: the damping unit includes the
One screw rod, the second screw rod and first sleeve, the first screw rod and the second screw rod be inserted into respectively first sleeve and with first sleeve screw thread
Cooperation.
3. a kind of tube bank anti-vibration strip damping unit according to claim 2, it is characterised in that: the damping unit further includes
It is respectively provided at first lock nut at first sleeve both ends, the first lock nut is respectively sleeved at the first screw rod and the second screw rod
On.
4. a kind of tube bank anti-vibration strip damping unit according to claim 2, it is characterised in that: first screw rod and second
Screw rod is respectively articulated with the first bindiny mechanism connecting with the fixing end.
5. a kind of tube bank anti-vibration strip damping unit according to claim 1, it is characterised in that: the fixed cell includes the
Three screw rods and the first baffle and second baffle being respectively sleeved on third screw rod, third screw rod and second baffle respectively with it is described
Fixing end is connected with the lower case, and first baffle is fixed on third screw rod, third screw rod movably through second baffle,
Spring is equipped between first baffle and second baffle.
6. a kind of tube bank anti-vibration strip damping unit according to claim 5, it is characterised in that: the fixed cell further includes
Sleeve, the first baffle, second baffle and spring are located in sleeve, and sleeve is equipped with peep hole and scale, second baffle
Side is equipped with the adjusting nut being set on the third screw rod.
7. a kind of tube bank anti-vibration strip damping unit according to claim 6, it is characterised in that: be hinged on the sleeve with
Second bindiny mechanism of lower case connection is hinged with third connect with the fixing end on the third screw rod and connects machine
Structure.
8. a kind of tube bank anti-vibration strip damping unit according to claim 7, it is characterised in that: in the third bindiny mechanism
Equipped at least two fixed jaws, fixed interval (FI) is equipped between fixed jaw, the fixing end is inserted into fixed interval (FI).
9. a kind of tube bank anti-vibration strip damping unit according to claim 7, it is characterised in that: the third screw rod and second
It is equipped with the 4th screw rod between bindiny mechanism, the second casing, third screw rod and the 4th spiral shell are equipped between third screw rod and the 4th screw rod
Bar is inserted into the second casing respectively and cooperates in the second casing threads, and the both ends of the second casing are respectively equipped with the second lock nut.
10. a kind of tube bank anti-vibration strip limit method, it is characterised in that: anti-using tube bank described in claim 1~9 any one
A shake damping unit limits anti-vibration strip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810762391.9A CN108954288B (en) | 2018-07-11 | 2018-07-11 | Tube bundle anti-seismic strip damping device and limiting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810762391.9A CN108954288B (en) | 2018-07-11 | 2018-07-11 | Tube bundle anti-seismic strip damping device and limiting method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108954288A true CN108954288A (en) | 2018-12-07 |
| CN108954288B CN108954288B (en) | 2020-01-07 |
Family
ID=64483889
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810762391.9A Active CN108954288B (en) | 2018-07-11 | 2018-07-11 | Tube bundle anti-seismic strip damping device and limiting method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108954288B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114571168A (en) * | 2022-02-22 | 2022-06-03 | 哈电集团（秦皇岛）重型装备有限公司 | Steam generator tube bundle assembly positioning device and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4991645A (en) * | 1988-06-20 | 1991-02-12 | Westinghouse Electric Corp. | Steam generator tube antivibration apparatus |
| FR2707382A1 (en) * | 1993-07-09 | 1995-01-13 | Framatome Sa | Heat exchanger comprising a bundle of U-bent tubes and anti-vibration bars between the bent parts of the tubes. |
| CN1102500A (en) * | 1993-08-20 | 1995-05-10 | 法玛通公司 | Heat exchanger including means for holding antivibration bars interposed between the tubes of the bundle of the exchanger |
| FR2714626A1 (en) * | 1993-12-31 | 1995-07-07 | Framatome Sa | Removable supports for tubes of a heat exchanger during assembly and transport |
| CN1160183A (en) * | 1995-03-09 | 1997-09-24 | 费罗马托姆公司 | U-tube heat exchanger, equipped with tube antivibration stabilizing system and hold-down system |
| CN202229648U (en) * | 2011-09-16 | 2012-05-23 | 茂名重力石化机械制造有限公司 | Shell and tube type heat exchanger with U-shaped tube bundle vibration proof device |
| US20140014294A1 (en) * | 2012-07-13 | 2014-01-16 | Areva Np Inc. | U-Bend Tube Compression/Distortion Stabilization System (CDSS) |
| CN205858865U (en) * | 2016-07-20 | 2017-01-04 | 哈电集团（秦皇岛）重型装备有限公司 | A kind of steam generator vibrationproof bar fixing device |
| CN106855226A (en) * | 2015-12-09 | 2017-06-16 | 中广核工程有限公司 | Steam Generators in NPP vibrationproof bar structure |
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2018
- 2018-07-11 CN CN201810762391.9A patent/CN108954288B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4991645A (en) * | 1988-06-20 | 1991-02-12 | Westinghouse Electric Corp. | Steam generator tube antivibration apparatus |
| FR2707382A1 (en) * | 1993-07-09 | 1995-01-13 | Framatome Sa | Heat exchanger comprising a bundle of U-bent tubes and anti-vibration bars between the bent parts of the tubes. |
| CN1102500A (en) * | 1993-08-20 | 1995-05-10 | 法玛通公司 | Heat exchanger including means for holding antivibration bars interposed between the tubes of the bundle of the exchanger |
| FR2714626A1 (en) * | 1993-12-31 | 1995-07-07 | Framatome Sa | Removable supports for tubes of a heat exchanger during assembly and transport |
| CN1160183A (en) * | 1995-03-09 | 1997-09-24 | 费罗马托姆公司 | U-tube heat exchanger, equipped with tube antivibration stabilizing system and hold-down system |
| CN202229648U (en) * | 2011-09-16 | 2012-05-23 | 茂名重力石化机械制造有限公司 | Shell and tube type heat exchanger with U-shaped tube bundle vibration proof device |
| US20140014294A1 (en) * | 2012-07-13 | 2014-01-16 | Areva Np Inc. | U-Bend Tube Compression/Distortion Stabilization System (CDSS) |
| CN106855226A (en) * | 2015-12-09 | 2017-06-16 | 中广核工程有限公司 | Steam Generators in NPP vibrationproof bar structure |
| CN205858865U (en) * | 2016-07-20 | 2017-01-04 | 哈电集团（秦皇岛）重型装备有限公司 | A kind of steam generator vibrationproof bar fixing device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114571168A (en) * | 2022-02-22 | 2022-06-03 | 哈电集团（秦皇岛）重型装备有限公司 | Steam generator tube bundle assembly positioning device and method |
| CN114571168B (en) * | 2022-02-22 | 2023-10-27 | 哈电集团（秦皇岛）重型装备有限公司 | Steam generator tube bundle assembly assembling and positioning device and method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108954288B (en) | 2020-01-07 |
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