CN106051722A - Lower horizontal supporting structure of nuclear power plant vapor generator - Google Patents
Lower horizontal supporting structure of nuclear power plant vapor generator Download PDFInfo
- Publication number
- CN106051722A CN106051722A CN201610417349.4A CN201610417349A CN106051722A CN 106051722 A CN106051722 A CN 106051722A CN 201610417349 A CN201610417349 A CN 201610417349A CN 106051722 A CN106051722 A CN 106051722A
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- pedestal
- steam generator
- lower horizontal
- nuclear power
- horizontal supporting
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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
- F22B37/002—Component parts or details of steam boilers specially adapted for nuclear steam generators, e.g. maintenance, repairing or inspecting equipment not otherwise provided for
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Monitoring And Testing Of Nuclear Reactors (AREA)
Abstract
The invention discloses a lower horizontal supporting structure of a nuclear power plant vapor generator. The lower horizontal supporting structure of the nuclear power plant vapor generator comprises a supporting device for preventing the vapor generator from generating instant displacement. The supporting device comprises a base and an axial clearance adjustment device arranged on the base. The base is shaped like a stepped shaft in outline, and the outer diameter of the base is gradually decreased from back to front to form a base large end and a base secondarily large end. The front section of the base large end is of a hollow structure, the inner diameter of the front section of the base large end is larger than the outer diameter of the base secondarily large end, and therefore a radius difference delta[r] is formed between the inner wall of the front section of the base large end and the outer wall of the base secondarily large end. Compared with the prior art, the lower horizontal supporting structure of the nuclear power plant vapor generator has the following effects that (1) the base with a buffering function is simple in structure, excellent in buffering performance and convenient to install and maintain, and the manufacturing and installation cost is effectively lowered; (2) clearance measurement operation is convenient and rapid, and the measurement result is small in error; and (3) clearance adjustment is more convenient, the time of clearance measurement and adjustment is effectively shortened through the structure, and the time cost and labor cost are reduced.
Description
Technical field
The present invention relates to a kind of nuclear power station steam generator lower horizontal supporting structure.
Background technology
In normal conditions, nuclear power station steam generator supporting structure can provide supporting for steam generator, bears phase
Answer the bearing load under operating mode；Under, primary Ioops main system thermal expansion operating mode properly functioning at reactor coolant loop, steam is sent out
Raw device supporting structure ensure that steam generator realizes free free thermal expansion and thermal walking；In earthquake or dehydration thing
Therefore when occurring (loss of-coolant accident (LOCA) hereinafter referred to as LOCA accident), steam generator supporting structure can limit the wink of steam generator
Between displacement, it is ensured that the stability and security of reactor coolant loop, steam generator and civil engineering structure.
Published nuclear power station steam generator lower horizontal supporting structure is by lateral Displacement seat 2 and front end limit base 1 group
Becoming, concrete arrangement is as shown in Figure 1.Wherein, the supporting leg of lateral Displacement seat 2 has supporting leg I, II, III and IV 4 kind of specification；Front end
The supporting leg of limit base 1 has supporting leg II and III two kinds of specifications of supporting leg.As shown in Figure 2, limit base includes water to the concrete structure of limit base
Calm down supporting leg 3 that position supports and be fixed on steam generator by the cushion block 7 of supporting leg Horizontal limiting, supporting leg front end from rear to
Before be sequentially provided with the buffer stopper 4 of adjacent laminating, filler strip 5 and adjustment block 6, adjustment block 6 relative with cushion block 7 to and stay between the two
There is adjustment gap.Either lateral Displacement seat or front end limit base, they are all using a number of buffer stopper 4 as buffering dress
Put, the shock loading that during to bear earthquake or LOCA accident generation, each limit base is produced by steam generator because of instantaneous displacement,
Thus ensure the stability and security of reactor coolant loop, steam generator and civil engineering structure.The front end face of each limit base with
Gap between corresponding cushion block cooperation face is adjusted and is then realized by filler strip 5 and adjustment block 6, by adjusting the thickness of adjustment block 6
Adjust adjustment block 6 and coordinate the gap width between face with each cushion block 7, draw because of reactor coolant loop variations in temperature to meet
The free thermal walking of steam generator risen, can limit the instantaneous displacement of steam generator simultaneously.
From above-mentioned nuclear power station steam generator lower horizontal supporting structure introduction, send out at published nuclear power station steam
In raw device lower horizontal supporting structure, it is as buffer unit and each spacing that each limit base all have employed the square buffer stopper of standard
All there is certain adjustment gap between adjustment block and the cushion block of seat, these adjust gaps needs to reload hot shutdown in each overhaul
Measure under operating mode, afterwards according to the thickness of calculated gap examination value processing adjustment block, to ensure that adjusting gap exists
In acceptable scope.But, this supporting structure has following defects that
1, the square buffer stopper procurement cycle used is longer, cost is high, the later stage install, operation maintenance cumbersome；
2, measurement and the adjustment in gap is required for repetitive operation when reloading every time, adds the manpower of maintainer, thing
The input of power；
3, less due to the adjustment gap between adjustment block and cushion block, measure working place limited, and adjustment block is relatively
Long, equipment of measuring is difficult to accurately measure the adjustment gap of these positions, causes measurement error bigger；
4, the gap width that adjusts measured under hot shutdown operating mode of every time reloading is required for transferring to the company of specialty or mechanism to carry out
Gap evaluation, assesses costly, and the persistent period is longer；
5, the thickness of the on-the-spot result processing adjustment block needing to evaluate according to gap, to ensure that adjusting gap width tests in gap
In the range of receipts, add adjustment block processing, install and the operation such as adjustment.
Summary of the invention
It is an object of the invention to: the nuclear power station steam providing a kind of clearance measurement simple operation, gap easy to adjust is sent out
Raw device lower horizontal supporting structure.
In order to realize foregoing invention purpose, the invention provides a kind of nuclear power station steam generator lower horizontal supporting knot
Structure, it supporting arrangement including limiting steam generator generation instantaneous displacement, supporting arrangement includes pedestal and is located on pedestal
Axial interval regulator, described pedestal profile is ladder shaft-like, and the external diameter of pedestal the most gradually successively decreases and forms base
The big end of seat and the big end of pedestal time, the leading portion of the big end of pedestal is hollow structure, and outside pedestal big end leading portion internal diameter end bigger than pedestal time
Footpath is big, so that forming semidiameter Δ r between pedestal big end leading portion inwall and pedestal time big end outer wall.
As a kind of improvement of nuclear power station steam generator lower horizontal supporting structure of the present invention, described axial gap adjusts
Device include adjusting bolt, be located on pedestal adjust bolt lock locking structure and be opened in the adjustment screwed hole of pedestal front end face,
Adjust bolt and screw in adjustment screwed hole, be threaded in or out adjusting screwed hole by adjustment bolt and realize the tune of axial gap
Whole, adjust bolt lock locking structure and can make that adjustment bolt is fixing cannot be rotated.
As a kind of improvement of nuclear power station steam generator lower horizontal supporting structure of the present invention, described adjustment bolt is locked
Structure is included in and is positioned on the adjustment screwed hole hole wall of pedestal front end the radial indentation and clamping screw having, and radial indentation will
The adjustment screwed hole hole wall of adjacent both sides separates and the radical length of radial indentation is at least big than pore wall thickness, is positioned at radially
Adjusting on front side of breach has axially extending bore on screwed hole hole wall, is positioned on the adjustment screwed hole hole wall on rear side of radial indentation and has
The locking screw pit coaxial with through hole, clamping screw initially passes through through hole and is screwed in locking screw pit, clamping screw and locking
Threaded power between screwed hole can oppress the adjustment screwed hole hole wall inclination being positioned on front side of radial indentation, adjusts screwed hole
Hole wall tilts to cause to adjust that bolt is stuck cannot rotate.
As a kind of improvement of nuclear power station steam generator lower horizontal supporting structure of the present invention, described radial indentation is positioned at
Pedestal front end, near the side of pedestal front end face, is positioned at the axial length adjusting screwed hole hole wall on front side of radial indentation the shortest,
Adjust screwed hole hole wall the most easily to tilt.
As a kind of improvement of nuclear power station steam generator lower horizontal supporting structure of the present invention, the footpath of described radial indentation
Big, less than pedestal front end overall diameter than pedestal front end outer radius to length, the radical length of radial indentation is than pedestal front end outer half
Footpath is big so that adjust screwed hole hole wall and be easier under the effect of clamping screw.
As a kind of improvement of nuclear power station steam generator lower horizontal supporting structure of the present invention, described locking screw pit position
On the radial symmetric line of radial indentation so that the radial direction arm of force of clamping screw is maximum, adjust screwed hole hole wall at clamping screw
Effect under be easier to tilt.
As a kind of improvement of this practicality nuclear power station steam generator lower horizontal supporting structure, during the big end of described pedestal is
Hollow structure, is so conducive to the manufacture processing of pedestal.
As a kind of improvement of nuclear power station steam generator lower horizontal supporting structure of the present invention, the big end of described pedestal is provided with
Mounting flange, is fixed on pedestal on xoncrete structure to facilitate.
As a kind of improvement of nuclear power station steam generator lower horizontal supporting structure of the present invention, also include being respectively arranged on steaming
The lateral blocked frame of vapour generator main pipe hot leg centrage both sides, the front divider being located on steam generator main pipe hot leg centrage
And lateral-supporting platform and the forward direction being located on steam generator low head supports platform, lateral blocked frame and lateral-supporting platform one
One is corresponding, and front divider is corresponding with forward direction supporting platform, and each lateral blocked frame and front divider all include at least two supporting arrangement.
As a kind of improvement of nuclear power station steam generator lower horizontal supporting structure of the present invention, described lateral blocked frame includes two
Individual supporting arrangement, described front divider includes three supporting arrangements.
Compared with prior art, nuclear power station steam generator lower horizontal supporting structure of the present invention has the effect that
1) using the base construction with pooling feature simple, shock-absorbing capacity is excellent, installs, easy to maintenance, effectively reduces
Manufacture and installation cost；
2) clearance measurement simple operation, and measuring result error is less；
3) gap adjusts convenient, and this structure is effectively shortened the time of clearance measurement and adjustment, when saving
Between cost and human cost.
Accompanying drawing explanation
Below in conjunction with the accompanying drawings and detailed description of the invention, to nuclear power station steam generator lower horizontal supporting structure of the present invention and
Its beneficial effect is described in detail.
Fig. 1 is the mounting structure figure of disclosed steam generator lower horizontal supporting.
Fig. 2 is the structure chart of disclosed steam generator lower horizontal supporting.
Fig. 3 is the structural representation of nuclear power station steam generator lower horizontal supporting structure of the present invention.
Fig. 4 is the structural representation of the supporting arrangement of nuclear power station steam generator lower horizontal supporting structure of the present invention.
Fig. 5 is the sectional view of the supporting arrangement of nuclear power station steam generator lower horizontal supporting structure of the present invention.
Fig. 6 is the sectional view of the pedestal of nuclear power station steam generator lower horizontal supporting structure of the present invention.
Detailed description of the invention
In order to make the goal of the invention of the present invention, technical scheme and Advantageous Effects thereof become apparent from, below in conjunction with accompanying drawing
And detailed description of the invention, the present invention is further elaborated.It should be appreciated that the concrete reality described in this specification
The mode of executing is only used to explain the present invention, is not intended to limit the present invention.
Referring to Fig. 3, nuclear power station steam generator lower horizontal supporting structure of the present invention includes being respectively arranged on steam generation
The lateral blocked frame 80 of main pipe hot leg centrage 100 both sides of device 200, it is located at the main pipe hot leg centrage of steam generator 200
Front divider 90 on 100 and be located at the lateral-supporting platform 50 on steam generator 200 low head and forward direction supporting platform 60,
Lateral blocked frame 80 and lateral-supporting platform 50 one_to_one corresponding, front divider 90 is corresponding with forward direction supporting platform 60.Lateral blocked frame 80 and front
The supporting arrangement of the produced instantaneous displacement of steam generator, side when divider 90 all includes limiting earthquake or LOCA accident generation
The structure of the supporting arrangement of divider 80 and front divider 90 and all being the same size, simply quantity is otherwise varied.
Referring to Fig. 4, Fig. 5 and Fig. 6, each supporting arrangement includes that pedestal 10 and the axial gap being located on pedestal 10 are adjusted
Engagement positions.
Pedestal 10 profile is ladder shaft-like, and the external diameter of pedestal 10 the most gradually successively decreases, and the leading portion of the big end of pedestal 102 is
Hollow structure, and pedestal big end 102 leading portion internal diameter is bigger than pedestal time big end 103 external diameters, so that pedestal big end 102 leading portion inwall
And form semidiameter Δ r between pedestal time big end 103 outer walls.
Owing to there is semidiameter Δ r between pedestal big end 102 leading portion inwall and pedestal time big end 103 outer walls, and pedestal is big
Annular region 108 thickness that end 102 end 103 big with pedestal time is connected is t, when adjusting bolt 20 by axial compressive force, axially
Pressure is delivered to annular region 108 by the big end 103 of pedestal time, and semidiameter Δ r is the arm of force of this axial compressive force, now annular
Region 108 can produce flexural deformation, that is to say that pedestal 10 has pooling feature, and shock-absorbing capacity is excellent.
And annular region 108 is preferably processed by forging integration, is formed the buffering of pedestal by forging process
Performance is best.If the big end 103 of the big end of pedestal 102, pedestal time and annular region 108 be combine by the way of splicing and
Become, owing to the big end of pedestal 102, the big end 103 of pedestal time and annular region 108 connecting portion each other are not belonging to original
Material structure, causes deformation performance to reduce and affect the shock-absorbing capacity of pedestal.
Flexural deformation size is also that t is relevant with annular region thickness, and the least flexural deformation of t is the biggest, therefore can be by adjusting
The thickness t and semidiameter Δ r of the annular region of joint pedestal changes the shock-absorbing capacity of pedestal, and base construction is simple, easy for installation,
Effectively reduce and manufacture and installation cost.The pooling feature of pedestal is primarily to cuisine steam generator is because of earthquake or LOCA accident
The shock loading produced by instantaneous displacement during generation, thus ensure reactor coolant loop, steam generator and civil engineering knot
The stability and security of structure.
Axial interval regulator includes adjusting bolt 20, the adjustment bolt lock locking structure being located on pedestal 10 and being opened in
The adjustment screwed hole 101 of pedestal 10 front end face, adjusts bolt 20 and screws in adjustment screwed hole 101, screw in by adjusting bolt 20
Or back-out adjusts screwed hole 101 and realizes the adjustment of axial gap, adjust bolt lock locking structure and adjustment bolt 20 can be made to fix nothing
Method rotates.The degree of depth adjusted in bolt 20 screw-in adjustment screwed hole 101 by regulation can complete gap adjustment, effectively shortens
The time of clearance measurement and adjustment, save time cost and human cost.
In an embodiment of nuclear power station steam generator lower horizontal supporting structure of the present invention, adjust bolt lock tight knot
Structure includes clamping screw 30 and is opened in the radial indentation 104 adjusted on screwed hole 101 hole wall of pedestal front end 107.Radially
Screwed hole 101 hole wall that adjusts of adjacent both sides is separated and the radical length of radial indentation 104 is at least than hole wall by breach 104
Thickness is big, is positioned on adjustment screwed hole 101 hole wall on front side of radial indentation 104 and has axially extending bore 105, is positioned at radial indentation
Adjusting on rear side of in the of 104 has the locking screw pit 106 coaxial with through hole 105 on screwed hole hole wall, and clamping screw 30 initially passes through logical
Hole 105 is also screwed in locking screw pit 106, and the power of threadeding between clamping screw 30 with locking screw pit 106 can be pressed
Compel to be positioned at adjustment screwed hole 101 hole wall on front side of radial indentation 104 to tilt, adjust screwed hole 101 hole wall and tilt to cause to adjust spiral shell
Bolt is stuck cannot be rotated.
In an embodiment of nuclear power station steam generator lower horizontal supporting structure of the present invention, radial indentation 104
In pedestal front end 107 near the side of pedestal 10 front end face, be positioned on front side of radial indentation 104 adjust screwed hole hole wall axial
Length is the shortest, adjusts screwed hole hole wall and the most easily tilts.The radical length of radial indentation is bigger than pedestal front end outer radius, compare pedestal
Front end overall diameter is little, and the radical length of radial indentation is bigger than pedestal front end outer radius so that adjust screwed hole hole wall in locking
It is easier under the effect of bolt.Locking screw pit 106 is positioned on the radial symmetric line of radial indentation 104 so that locking screw
The radial direction arm of force of bolt is maximum, adjusts screwed hole hole wall and is easier under the effect of clamping screw.
In an embodiment of nuclear power station steam generator lower horizontal supporting structure of the present invention, pedestal big end 102 is complete
Portion is hollow structure, and such structure is conducive to the processing of pedestal 10, reduces manufacturing cost, in the mill, directly after pedestal
End end face processing i.e. can get pedestal big end hollow structure.
In an embodiment of nuclear power station steam generator lower horizontal supporting structure of the present invention, the big end of pedestal 104 sets
There is mounting flange 40, to facilitate, pedestal is fixed on xoncrete structure.
Referring to Fig. 3, when actually used, nuclear power station steam generator lower horizontal supporting structure of the present invention is specifically installed
Mode is: pedestal 10 is fixedly mounted on xoncrete structure 70 by flange 40, and the adjustment bolt 20 of lateral blocked frame 80 is sent out with steam
The lateral-supporting platform 50 of raw device is relatively to installation, the forward direction supporting platform adjusting bolt 20 and steam generator of front divider 90
60 relatively to installation, adjusts and leaves gap between bolt 20 and lateral-supporting platform 50, forward direction supporting platform 60, can be by adjusting
Bolt 20 be threaded in or out adjusting the size in this gap.
When reactor coolant loop enters hot shutdown operating mode, testing staff utilizes measurement device measuring to adjust bolt 20
End face support the gap width of platform 90 to lateral-supporting platform 80 or forward direction, afterwards according to gap acceptance criteria to clearance measurement
Value correspondingly adjusts, and is locked, to avoid machine adjusting bolt 10 by clamping screw 30 after gap adjustment is qualified
The gap width adjusted in group running between end face supporting corresponding with the steam generator platform of bolt 20 produces change, impact system
That unites is properly functioning.
In sum, the pedestal of nuclear power station steam generator lower horizontal supporting structure of the present invention can effectively buffer moment position
Move and the shock loading that produces, and adjust bolt by regulation and screw in the degree of depth adjusted in screwed hole and can complete gap and adjust
Whole.
Compared with prior art, nuclear power station steam generator lower horizontal supporting structure of the present invention at least has following excellent
Point:
1) clearance measurement simple operation, and measuring result error is less；
2) gap adjusts convenient, and this structure is effectively shortened the time of clearance measurement and adjustment, when saving
Between cost and human cost；
3) using and have the pedestal of pooling feature, base construction is simple, and shock-absorbing capacity is excellent, installs, easy to maintenance, effectively
Reduce and manufacture and installation cost.
The announcement of book and teaching according to the above description, those skilled in the art in the invention can also be to above-mentioned embodiment party
Formula carries out suitable change and amendment.Therefore, the invention is not limited in detailed description of the invention disclosed and described above, to this
Some modifications and changes of invention should also be as falling in the scope of the claims of the present invention.Although additionally, this specification
In employ some specific terms, but these terms are merely for convenience of description, and the present invention does not constitute any restriction.
Claims (10)
1. a nuclear power station steam generator lower horizontal supporting structure, produces propping up of instantaneous displacement including limiting steam generator
Bearing apparatus, supporting arrangement includes pedestal and the axial interval regulator being located on pedestal, it is characterised in that: outside described pedestal
Shape is ladder shaft-like, and the external diameter of pedestal the most gradually successively decreases and forms the big end of pedestal and the big end of pedestal time, the big end of pedestal
Leading portion is hollow structure, and pedestal big end leading portion internal diameter is bigger than pedestal time big end external diameter so that pedestal big end leading portion inwall with
Semidiameter Δ r is formed between pedestal time big end outer wall.
Nuclear power station steam generator lower horizontal supporting structure the most according to claim 1, it is characterised in that: described axially
Lash adjusting device include adjusting bolt, be located on pedestal adjust bolt lock locking structure and be opened in the adjustment of pedestal front end face
Screwed hole, adjusts bolt and screws in and adjust in screwed hole, is threaded in or out adjusting between screwed hole realizes axially by adjusting bolt
The adjustment of gap, adjusts bolt lock locking structure and can make that adjustment bolt is fixing cannot be rotated.
Nuclear power station steam generator lower horizontal supporting structure the most according to claim 2, it is characterised in that: described adjustment
Bolt lock locking structure is included in and is positioned on the adjustment screwed hole hole wall of pedestal front end the radial indentation and clamping screw, footpath having
To breach, the screwed hole hole wall that adjusts of adjacent both sides is separated and the radical length of radial indentation is at least big than pore wall thickness,
It is positioned at adjusting on front side of radial indentation to have axially extending bore on screwed hole hole wall, be positioned at the adjustment screwed hole hole on rear side of radial indentation
Having the locking screw pit coaxial with through hole on wall, clamping screw initially passes through through hole and is screwed in locking screw pit.
Nuclear power station steam generator lower horizontal supporting structure the most according to claim 3, it is characterised in that: described radial direction
Breach is positioned at the side near pedestal front end face, the pedestal front end.
Nuclear power station steam generator lower horizontal supporting structure the most according to claim 3, it is characterised in that: described radial direction
The radical length of breach is bigger than pedestal front end outer radius, less than pedestal front end overall diameter.
Nuclear power station steam generator lower horizontal supporting structure the most according to claim 3, it is characterised in that: described locking
Screwed hole is positioned on the radial symmetric line of radial indentation.
Nuclear power station steam generator lower horizontal supporting structure the most according to claim 1, it is characterised in that: described pedestal
Big end is hollow structure.
Nuclear power station steam generator lower horizontal supporting structure the most according to claim 1, it is characterised in that: described pedestal
Big end is provided with mounting flange.
9. according to the arbitrary described nuclear power station steam generator lower horizontal supporting structure of claim 1 to 8, it is characterised in that:
Also include being respectively arranged on the lateral blocked frame of steam generator main pipe hot leg centrage both sides, being located at steam generator main pipe hot leg
Front divider on centrage and the lateral-supporting platform being located on steam generator low head and forward direction supporting platform, lateral blocked frame
With lateral-supporting platform one_to_one corresponding, front divider and forward direction supporting platform is corresponding, each lateral blocked frame and front divider all include to
Few two supporting arrangements.
Nuclear power station steam generator lower horizontal supporting structure the most according to claim 9, it is characterised in that: described side
Divider includes that two supporting arrangements, described front divider include three supporting arrangements.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610417349.4A CN106051722B (en) | 2016-06-15 | 2016-06-15 | Nuclear power station steam generator lower horizontal supporting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610417349.4A CN106051722B (en) | 2016-06-15 | 2016-06-15 | Nuclear power station steam generator lower horizontal supporting structure |
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| Publication Number | Publication Date |
|---|---|
| CN106051722A true CN106051722A (en) | 2016-10-26 |
| CN106051722B CN106051722B (en) | 2018-05-29 |
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ID=57167498
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| CN201610417349.4A Active CN106051722B (en) | 2016-06-15 | 2016-06-15 | Nuclear power station steam generator lower horizontal supporting structure |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108087857A (en) * | 2018-01-04 | 2018-05-29 | 中广核研究院有限公司 | A kind of support cushion block for steam generator |
| CN109215814A (en) * | 2018-08-01 | 2019-01-15 | 中广核研究院有限公司 | Horizontal supporting structure for multi-vessel system |
| CN110853784A (en) * | 2019-11-19 | 2020-02-28 | 中国核动力研究设计院 | Pressurized water reactor nuclear power plant stabiliser bearing structure |
| CN111140836A (en) * | 2019-12-04 | 2020-05-12 | 深圳中广核工程设计有限公司 | Nuclear power station steam generator sleeve supporting device and installation method thereof |
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| CN104121571A (en) * | 2013-04-25 | 2014-10-29 | 中广核工程有限公司 | Lower horizontal bearing structure of steam generator |
| CN204201278U (en) * | 2014-07-31 | 2015-03-11 | 中国船舶重工集团公司第七一九研究所 | A kind of supporting pipeline device of adaptability adjustment setting height(from bottom) |
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| JPH10220703A (en) * | 1997-02-10 | 1998-08-21 | Ishikawajima Harima Heavy Ind Co Ltd | Conveying method for boiler |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108087857A (en) * | 2018-01-04 | 2018-05-29 | 中广核研究院有限公司 | A kind of support cushion block for steam generator |
| CN108087857B (en) * | 2018-01-04 | 2024-03-01 | 中广核研究院有限公司 | Novel support cushion block for steam generator |
| CN109215814A (en) * | 2018-08-01 | 2019-01-15 | 中广核研究院有限公司 | Horizontal supporting structure for multi-vessel system |
| CN109215814B (en) * | 2018-08-01 | 2024-03-22 | 中广核研究院有限公司 | Horizontal support structure for multi-container system |
| CN110853784A (en) * | 2019-11-19 | 2020-02-28 | 中国核动力研究设计院 | Pressurized water reactor nuclear power plant stabiliser bearing structure |
| CN111140836A (en) * | 2019-12-04 | 2020-05-12 | 深圳中广核工程设计有限公司 | Nuclear power station steam generator sleeve supporting device and installation method thereof |
| CN111140836B (en) * | 2019-12-04 | 2021-12-07 | 深圳中广核工程设计有限公司 | Nuclear power station steam generator sleeve supporting device and installation method thereof |
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| Publication number | Publication date |
|---|---|
| CN106051722B (en) | 2018-05-29 |
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