CN202650562U - Modularized seat support for reactor pressure vessel - Google Patents
Modularized seat support for reactor pressure vessel Download PDFInfo
- Publication number
- CN202650562U CN202650562U CN2012202674626U CN201220267462U CN202650562U CN 202650562 U CN202650562 U CN 202650562U CN 2012202674626 U CN2012202674626 U CN 2012202674626U CN 201220267462 U CN201220267462 U CN 201220267462U CN 202650562 U CN202650562 U CN 202650562U
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- pressure vessel
- plate
- heat radiating
- stream guidance
- support
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- 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
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- Structure Of Emergency Protection For Nuclear Reactors (AREA)
Abstract
The utility model belongs to a support for a reactor pressure vessel of a nuclear power station, and particularly relates to a support which can fix the pressure vessel around the pressure vessel, guard against earthquake and other impact loads and meanwhile allow a part of dimensional change caused by temperature change of the pressure vessel. The support comprises four modularized seats which are uniformly arranged around the reactor pressure vessel, wherein the bottoms of the seats are fixedly arranged on a concrete foundation. The support has the advantage that the interference of a support structure or support foundation concrete and a vessel connecting pipe can be effectively avoided by arranging the independent support seats on the outer wall of the pressure vessel and arranging the modularized seat support structure. By using modularized manufacturing, transportation and mounting and through combined use of a plurality of modules, a main pipeline of the pressure vessel can be kept away; and the support position is arranged close to gravity elevation of the pressure vessel, so that the stability, the safety and the economy of the support are improved.
Description
Technical field
The utility model belongs to a kind of supporting of nuclear power plant reactor pressure vessel, be specifically related to a kind of can pressure vessel around the fixation pressure container, defence earthquake and other shock loads are gone back the authorized pressure container simultaneously because the supporting of the portion size variation that temperature variation causes.
Background technology
Reactor pressure vessel is one of key equipment of whole nuclear power plant reactor and a circuit system, it is the important component part of pressure boundary, in nuclear power station, reactor pressure vessel fixing also support stack inner member, reactor core parts, control rod drive mechanisms (CRD), heap roof construction etc.In containment, for effective fixation reaction core pressure vessel, guarantee the safe operation of whole reactor, reactor support must be set.The weight of whole nuclear power plant reactor is larger, between whole reactor work and shutdown state, the pressure of whole coolant system, temperature will change, also should consider simultaneously the impact of seismic (seismal, therefore supporting structure also should bear the dynamic loading of reactor under all kinds of operating modes under the prerequisite of the static load that guarantees to bear pressure vessel.
Nuclear power plant reactor pressure vessel supporting structure commonly used is annulus template shell supporting structure structure at present.
As shown in Figure 1, annular plate shell supporting structure is the annular beam type steel construction of a welding, mainly comprises bearing, upper lower ring plate, web and gusset etc.This supporting structure is by on the platform that is arranged in concrete containment, for pressure vessel provides supporting, bearing position be arranged at pressure vessel import and export trunk line below a pad.Because this supporting structure is the domain, require near bearing position, must not have in the certain altitude radial pipeline configuration to arrange, be not suitable for the supporting that reactor weight center of gravity absolute altitude is higher than the pressure vessel at pressure vessel trunk line center.
Summary of the invention
The purpose of this utility model provides a kind of novel reactor pressure vessel modular bearing support structure, and this structure can provide safe and effective supporting for pressure vessel, is the arrangement space that pressure vessel major diameter trunk line is taken over simultaneously.
The utility model is achieved in that a kind of reactor pressure vessel modular bearing support, and it comprises 4 modular bearings, they be arranged in equably reactor pressure vessel around, rest base is fixed on the concrete foundation.
Described each modular bearing comprises T-shaped support body, it comprises superposed supporting upper plate, be positioned at the bearing plate of bottom, and the endosternum between supporting upper plate and the bearing plate, two outer webs and two reinforcement gusset assembly weldings form, strengthen gusset and endosternum and consist of a leg-of-mutton reinforced region, in the cavity that is consisted of by said structure, be provided with stream guidance heat radiating plate, be connected with stream guidance heat radiating plate on the stream guidance heat radiating plate, be connected with endosternum on the stream guidance heat radiating plate, also be furnished with respectively stream guidance heat radiating plate between stream guidance heat radiating plate and two blocks of outer webs, stream guidance heat radiating plate, stream guidance heat radiating plate and stream guidance heat radiating plate all are weldingly connected with the supporting upper plate, have groove on the bearing upper plate of T-shaped support body, the adjusting double-screw bolt is set in the groove, the adjustable backing plate of level, the horizontal slip backing plate, and the adjustable backing plate of sidepiece and sidepiece sliding plate, the front end both sides of T-shaped support body are provided with stop block and ventilation assembly.
Described ventilation assembly is the joint flange of a bell mouth shape, and it is connected with the ventilating duct of outside.
The utility model has the advantages that, by at the pressure vessel outer wall independent bearing support being set, arrange the bearing support structure of modular, the interference that can effectively avoid supporting structure or supporting base concrete and container to take over.It adopts modular manufacturing, transportation and installation, and a plurality of module combinations are used, and can avoid the pressure vessel trunk line, bearing position is arranged near the center of gravity absolute altitude of pressure vessel, improves supporting stability, security and economy.
Description of drawings
Fig. 1 is reactor pressure vessel modular bearing support schematic diagram;
Fig. 2 is reactor pressure vessel modular bearing support schematic diagram provided by the utility model;
Fig. 3 is modular seat structure schematic diagram;
Fig. 4 is the left view schematic diagram of Fig. 3;
Fig. 5 is that the modular seat structure is overlooked and the schematic diagram that ventilates;
Fig. 6 is that sidepiece backing plate and horizontal backing plate are arranged schematic diagram.
Among the figure, 1 concrete foundation, 2 ventilation assemblies, 3T type support body, a 4 pressure vessels supporting pad, 5 pressure vessels, 6 pressure vessel trunk lines are taken over, 7 stop blocks, 8 bearing upper plates, the adjustable backing plate of 9 sidepieces, 10 sidepiece sliding plates, 11 horizontal slip backing plates, the adjustable backing plate of 12 levels, 13 regulate double-screw bolt, 14 base-plates, 15 endosternums, 16 outer webs, 17 strengthen gusset, 18 stream guidance heat radiating plates, 19 stream guidance heat radiating plates, 20 stream guidance heat radiating plates, 21 machined surfaces, 22 cooperate slipping plane.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is elaborated.
Such as Fig. 1, shown in Figure 2, a kind of reactor pressure vessel modular bearing support comprises 4 modular bearings, individual module formula bearing forms final supporting structure by on-the-spot installation, the designs simplification of modular manufacture difficulty, for transportation and on-the-spot the installation are provided convenience, save arrangement space, they be arranged in equably reactor pressure vessel around, rest base is fixed on the concrete foundation, reactor pressure vessel props up pad 4 by the supporting that arranges on the cylinder body outer wall and is fixed on the bearing support central part, and the trunk line of pressure vessel is taken over and drawn from the gap between bearing.
Such as Fig. 3, Fig. 4 and shown in Figure 5, the modular bearing comprises T-shaped support body 3, it comprises superposed supporting upper plate 8, be positioned at the bearing plate 14 of bottom, and the endosternum 15 between supporting upper plate 8 and the bearing plate 14, two outer webs 16 and two reinforcement gusset 17 assembly weldings form leg-of-mutton reinforced region of reinforcement gusset 17 and endosternum 15 formations.In the cavity that is consisted of by said structure, be provided with stream guidance heat radiating plate 19, be connected with stream guidance heat radiating plate 20 on the stream guidance heat radiating plate 19, be connected with endosternum 15 on the stream guidance heat radiating plate 20, also be furnished with respectively stream guidance heat radiating plate 18 between stream guidance heat radiating plate 19 and two blocks of outer webs 16, stream guidance heat radiating plate 18, stream guidance heat radiating plate 19 and stream guidance heat radiating plate 20 all are weldingly connected with supporting upper plate 8, have groove on the bearing upper plate 8 of T-shaped support body 3, arrange in the groove and regulate double-screw bolt 13, level is adjustable backing plate 12, horizontal slip backing plate 11, and the adjustable backing plate 9 of sidepiece and sidepiece sliding plate 10, the front end both sides of T-shaped support body 3 are provided with stop block 7 and ventilation assembly 2.Ventilation assembly 2 is the joint flange of a bell mouth shape, and it can be connected with the ventilating duct of outside.This version can guarantee the requirement of strength of supporting structure, improves the bearing value of bearing, effectively provides supporting for reactor pressure vessel.
Wherein, regulate double-screw bolt 13, level is adjustable backing plate 12, horizontal slip backing plate 11, and the adjustable backing plate 9 of sidepiece and sidepiece sliding plate 10 be used for reactor pressure vessel and install and adjust and the most total fixing, container etc. is met the demands.The absolute altitude of pressure of pressure vessel, levelness, axis requirement etc. when adjusting double-screw bolt 13 is installed in bearing support upper plate groove for reactor pressure vessel.Final spacing fixing by the adjustable backing plate 12 of level, horizontal slip backing plate 11, and the adjustable backing plate 9 of sidepiece and 10 realizations of sidepiece sliding plate in bearing upper plate 8 grooves of a pressure vessel supporting pad 4.Horizontal slip backing plate 11 and sidepiece sliding plate 10 one sides and pressure vessel supporting pad 4 spacing a contact, another side contacts with the adjustable backing plate 12 of level and the adjustable backing plate 9 of sidepiece, and during reactor operation, the slipping plane between sliding plate and adjustable backing plate is slidably.Guarantee that pressure vessel under all kinds of operating modes, limits its circumferential displacement, and radially displacement request when satisfying thermal expansion.
The circumferential displacement restriction of pressure vessel finally is delivered to the stop block 7 of supporting by supporting structure, stop block 7 is arranged in the both sides of T-shaped support body 3.After final the installation, and between T-shaped bearing master 3 bodies certain gap is arranged, stop block 7 is closely fixing with concrete foundation 1, during the purpose that arranges like this when satisfying the requirement of supporting hot displacement, the swing offset of restriction supporting structure, the circumferential displacement of final limiting pressure container, and displacement load passed to concrete foundation.The circumferential displacement that stop block 7 produces at the pressure vessel run duration for restriction bearing support module, displacement passes to concrete foundation the most at last.It is arranged in the both sides of T-shaped support body front end, and certain gap is arranged between support body, guarantees the axial thermal expansion displacement of bearing freely.
The pressure vessel supporting structure props up pad with pressure vessel and contacts, this place's temperature higher (can be similar to the temperature that is thought of as container outer wall), and high temperature passes to concrete foundation by supporting structure, will cause concrete foundation to sustain damage.Transmit heat to the damage of supporting concrete foundation for reducing, supporting structure is arranged ventilation assembly 2, cooling-air enters the bearing below by ventilation assembly 2, advanced the water conservancy diversion of stream guidance heat radiating plate 18, stream guidance heat radiating plate 19, stream guidance heat radiating plate 20, pass through from the bearing below equably, finally flow out from the both sides of T-shaped support body, effectively take away the heat of bearing, reduce to support the heat that is delivered to concrete foundation, make the temperature of concrete foundation satisfy the limit value requirement, guarantee the safety of whole reactor supporting.
The utility model can be used for the supporting of all kinds of reactor pressure vessels, is specially adapted to reactor total amount center of gravity and is higher than the reactor pressure vessel supporting that the pressure vessel trunk line is taken over.
Claims (3)
1. reactor pressure vessel modular bearing support, it is characterized in that: it comprises 4 modular bearings, they be arranged in equably reactor pressure vessel around, rest base is fixed on the concrete foundation.
2. a kind of reactor pressure vessel modular bearing support as claimed in claim 1, it is characterized in that: described each modular bearing comprises T-shaped support body (3), it comprises superposed supporting upper plate (8), be positioned at the bearing plate (14) of bottom, and the endosternum (15) between supporting upper plate (8) and the bearing plate (14), two outer webs (16) and two reinforcement gusset (17) assembly weldings form, strengthen gusset (17) and consist of a leg-of-mutton reinforced region with endosternum (15), in the cavity that is consisted of by said structure, be provided with stream guidance heat radiating plate (19), be connected with stream guidance heat radiating plate (20) on the stream guidance heat radiating plate (19), be connected with endosternum (15) on the stream guidance heat radiating plate (20), also be furnished with respectively stream guidance heat radiating plate (18) between stream guidance heat radiating plate (19) and the two blocks of outer webs (16), stream guidance heat radiating plate (18), stream guidance heat radiating plate (19) and stream guidance heat radiating plate (20) all are weldingly connected with supporting upper plate (8), have groove on the bearing upper plate (8) of T-shaped support body (3), arrange in the groove and regulate double-screw bolt (13), the adjustable backing plate of level (12), horizontal slip backing plate (17), and the adjustable backing plate of sidepiece (9) and sidepiece sliding plate (10), the front end both sides of T-shaped support body (3) are provided with stop block (27) and ventilation assembly (2).
3. a kind of reactor pressure vessel modular bearing support as claimed in claim 1, it is characterized in that: described ventilation assembly (2) is the joint flange of a bell mouth shape, it is connected with outside ventilating duct.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202674626U CN202650562U (en) | 2012-06-08 | 2012-06-08 | Modularized seat support for reactor pressure vessel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202674626U CN202650562U (en) | 2012-06-08 | 2012-06-08 | Modularized seat support for reactor pressure vessel |
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| Publication Number | Publication Date |
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| CN202650562U true CN202650562U (en) | 2013-01-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012202674626U Withdrawn - After Issue CN202650562U (en) | 2012-06-08 | 2012-06-08 | Modularized seat support for reactor pressure vessel |
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| CN (1) | CN202650562U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103474105A (en) * | 2012-06-08 | 2013-12-25 | 中国核动力研究设计院 | Modularized seat support for reactor pressure vessel |
| CN110285137A (en) * | 2019-07-10 | 2019-09-27 | 安徽晨光精工机电科技有限公司 | A kind of rotational supporting structure for pressure vessel stirring device |
| CN112489839A (en) * | 2020-11-27 | 2021-03-12 | 华能山东石岛湾核电有限公司 | Method for adjusting levelness of reactor core shell bottom plate of high-temperature gas cooled reactor metal reactor internals |
| WO2022166233A1 (en) * | 2021-02-03 | 2022-08-11 | 中广核工程有限公司 | Support structure of voltage stabilizer of nuclear power plant |
-
2012
- 2012-06-08 CN CN2012202674626U patent/CN202650562U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103474105A (en) * | 2012-06-08 | 2013-12-25 | 中国核动力研究设计院 | Modularized seat support for reactor pressure vessel |
| CN103474105B (en) * | 2012-06-08 | 2016-03-09 | 中国核动力研究设计院 | A kind of reactor pressure vessel modular bearing support |
| CN110285137A (en) * | 2019-07-10 | 2019-09-27 | 安徽晨光精工机电科技有限公司 | A kind of rotational supporting structure for pressure vessel stirring device |
| CN110285137B (en) * | 2019-07-10 | 2020-12-18 | 安徽晨光精工机电科技有限公司 | Rotary supporting structure for pressure vessel stirring device |
| CN112489839A (en) * | 2020-11-27 | 2021-03-12 | 华能山东石岛湾核电有限公司 | Method for adjusting levelness of reactor core shell bottom plate of high-temperature gas cooled reactor metal reactor internals |
| WO2022166233A1 (en) * | 2021-02-03 | 2022-08-11 | 中广核工程有限公司 | Support structure of voltage stabilizer of nuclear power plant |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130102 Effective date of abandoning: 20160309 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |