CN103542225B - Primary side of steam generator main adapter high water level closure plate - Google Patents
Primary side of steam generator main adapter high water level closure plate Download PDFInfo
- Publication number
- CN103542225B CN103542225B CN201210234644.8A CN201210234644A CN103542225B CN 103542225 B CN103542225 B CN 103542225B CN 201210234644 A CN201210234644 A CN 201210234644A CN 103542225 B CN103542225 B CN 103542225B
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- plate
- main adapter
- steam generator
- water level
- side plate
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 26
- 238000007789 sealing Methods 0.000 claims abstract description 32
- 238000001514 detection method Methods 0.000 claims abstract description 9
- 239000000203 mixture Substances 0.000 claims abstract description 5
- 239000011148 porous material Substances 0.000 claims description 16
- 238000000465 moulding Methods 0.000 claims description 9
- 235000013351 cheese Nutrition 0.000 claims description 4
- 230000002146 bilateral effect Effects 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 5
- 238000009434 installation Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 238000012546 transfer Methods 0.000 description 6
- 238000007689 inspection Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 229920002943 EPDM rubber Polymers 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 2
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 208000019155 Radiation injury Diseases 0.000 description 1
- 238000002048 anodisation reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- 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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/10—Means for stopping flow in pipes or hoses
- F16L55/12—Means for stopping flow in pipes or hoses by introducing into the pipe a member expandable in situ
- F16L55/128—Means for stopping flow in pipes or hoses by introducing into the pipe a member expandable in situ introduced axially into the pipe or hose
- F16L55/132—Means for stopping flow in pipes or hoses by introducing into the pipe a member expandable in situ introduced axially into the pipe or hose the closure device being a plug fixed by radially deforming the packing
- F16L55/134—Means for stopping flow in pipes or hoses by introducing into the pipe a member expandable in situ introduced axially into the pipe or hose the closure device being a plug fixed by radially deforming the packing by means of an inflatable packing
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Monitoring And Testing Of Nuclear Reactors (AREA)
Abstract
The invention belongs to pressurized water reactor nuclear power station steam generator first side repair apparatus technical field, specifically a kind of primary side of steam generator main adapter high water level closure plate is disclosed, it comprises two blocks of side plates, center plate, center plate are arranged between two blocks of side plates and center plate, two blocks of side plates coordinate composition completely circular structures, and every block side plate is equipped with detection components; Described center plate, two blocks of side plates are all embedded in black box; Described side plate is fixedly installed in the main adapter of first side by double threaded screw assembly; Described double threaded screw assembly is arranged in main adapter by boss; Described center plate will be fixedly installed in main adapter by locating stud.This closure plate can be used in sealing primary side of steam generator hydroecium before high water level arrives, and guarantees maintenance process needed time.
Description
Technical field
The invention belongs to pressurized water reactor nuclear power station steam generator first side repair apparatus technical field, be specifically related to a kind of primary side of steam generator main adapter high water level closure plate.
Background technique
Steam generator is the hinge connecting primary Ioops and secondary circuit in nuclear power plant, is one of equipment that during nuclear power plant runs, fault is more simultaneously.Steam generator fault is because the factor such as mechanical vibration and corrosion of complexity causes mostly, and causes heat-transfer pipe to break or heat-transfer pipe and tube sheet joint place reveal.Once heat-transfer pipe breaks or the fault such as leakage, nuclear power station will be forced to shutdown, cause huge economic loss and major safety risks.Thus, carry out periodic inservice inspection at primary side of steam generator, assessment and preventative maintenance are the mandatory requirements of whole nuclear power system safety, stable operation.
Use at primary side of steam generator in the world at present and mainly contain with the most effective inservice inspection technology at most: heat-transfer pipe vortex inspection, heat-transfer pipe ultrasonic testing, heat-transfer pipe plugging, first side hydroecium surface TV inspection etc., most service works is all completed by distant control robot.
Maintenance for primary side of steam generator need be carried out when first side pipeline low water level.During low water level during maintenance, main adapter is sealed by anti-foreign matter closure plate.And during shutdown the main adapter low water level endurance shorter, water during high water level in main adapter will enter first side hydroecium, and operator can not carry out maintenance activity.In order to ensure the repair time, maintenance process can completely being carried out, need seal main adapter before high water level arrives.
Summary of the invention
The object of the invention is to provide a kind of primary side of steam generator main adapter high water level closure plate, and this closure plate can be used in sealing primary side of steam generator hydroecium before high water level arrives, and guarantees maintenance process needed time.
Realize the technological scheme of the object of the invention: a kind of primary side of steam generator main adapter high water level closure plate, it comprises two blocks of side plates, center plate, center plate are arranged between two blocks of side plates and center plate, two blocks of side plates coordinate composition completely circular structures, and every block side plate is equipped with detection components.
Described side plate is overall in fan-shaped cavity type structure, side plate is provided with interradial plate, two pieces of two bottom sides disc, two pieces of upper strata disc, flange, baffle plates in bottom, in bottom, interradial plate is positioned at the center of side plate bottom, two pieces of two bottom sides disc symmetrical both sides being arranged in bottom interradial plate respectively; Upper strata disc is positioned at side plate top, and upper strata disc is in two bottom sides disc and bottom between interradial plate; The flange that side plate top outer rim is provided with, flange is provided with marking rod mounting hole, and the sidewall of side plate is provided with baffle plate, and baffle plate is embedded in the sidewall of center plate.
Described center plate is the cavity structure that two ends circular arc is rectangle, and center plate both sides outer rim is provided with two tapped holes, flange, two pieces of two bottom sides disc, two pieces of upper strata disc, four large square holes, interradial plate in two pieces of bottoms, four small square holes, four draw-in grooves; In bottom, interradial plate is positioned at center plate bottom centre, and two pieces of two bottom sides disc are arranged in interradial plate both sides, bottom; Upper strata disc is positioned at center plate top, simultaneously in bottom between interradial plate and two bottom sides disc; Center plate both sides outer rim is provided with flange, flange is provided with tapped hole and draw-in groove; Bottom small square hole is positioned at outside large square hole, four small square holes and four large square holes all centrally plate center line, in non-circular arc bilateral symmetry distribution.
Described detection components is made up of marking rod, spring, base pads, and between marking rod and side plate, cover has spring and base pads, and marking rod middle and lower part is provided with boss, and spring is positioned at this boss and is provided with top, and base pads is positioned at this boss bottom.
Described center plate, two blocks of side plates are all embedded in black box, black box by with side plate, center plate bottom the sealing gasket that fits tightly, be looped around the air bag on sealing gasket outer surface, the moulding be arranged on gasbag outer surface is formed, and base pads is between the boss bottom and sealing gasket of marking rod.
Inside described annular air-pocket, have an air-filled pore, a pore that can be communicated with the air-filled pore inside annular air-pocket opened all separately by sealing gasket, side plate, and the tail end of flexible pipe is communicated with the air-filled pore inside annular air-pocket by the pore on sealing gasket, side plate.
Described side plate is fixedly installed in the main adapter of first side by double threaded screw assembly, double threaded screw assembly is made up of dome nut, nut, double threaded screw, stud runs through side plate, side plate 1 is arranged in main adapter by sealing gasket, and double threaded screw top is provided with cheese head screw and nut.
Described double threaded screw assembly is arranged in main adapter by boss.
Described boss is fixedly mounted on side plate by fastener assembly, fastener assembly is made up of dome nut, spring washer, plain washer, boss locating stud, fastening with side plate bottom boss locating stud, boss locating stud top is provided with dome nut, spring washer, plain washer.
Described center plate will be fixedly installed in main adapter by locating stud.
Beneficial effect of the present invention: equipment composition component of the present invention are few, simple and reliable for structure.Side plate and center plate can ensure to install smoothly from first side manhole.Side plate and center plate are designed to web pattern, and quality alleviates and ensures structural rigidity simultaneously.Side plate is provided with fastening piece and corresponding locking measure, and simplicity of design mechanical structure, certificate authenticity can be carried out to installation quality.Whole Equipment is easy for installation, operating time section, reduces radiation injury suffered by operator.
Accompanying drawing explanation
Fig. 1 is the schematic top plan view of a kind of primary side of steam generator provided by the present invention main adapter high water level closure plate.
Fig. 2 is that the A-A of Fig. 1 is to sectional view;
Fig. 3 is the structural representation of side plate;
Fig. 3 is a) schematic top plan view of side plate;
Fig. 3 b) be the schematic front view of side plate;
The structural representation of plate centered by Fig. 4;
Fig. 4 a) centered by the schematic top plan view of plate;
Fig. 4 b) centered by the schematic front view of plate;
Fig. 5 is the linkage structure schematic diagram of double threaded screw assembly and associated fasteners and side plate;
Fig. 6 is the linkage structure schematic diagram of detection components and side plate;
Fig. 7 is the linkage structure schematic diagram of black box and side plate, supervisor.
In figure: 1-side plate, 101. screw rod mounting holes, 102. locating stud mounting holes, interradial plate in bottom 103., 104. upper strata disc, 105. two bottom sides disc, 106. flanges, 107. marking rod mounting holes, 108. baffle plates;
2-center plate, 201. tapped holes, 202. flanges, 203. two bottom sides disc, 204. upper strata disc, 205. large square holes, interradial plate in bottom 206., 207. small square holes, 208. draw-in grooves;
3-nylon cable tie, 4-flexible pipe, 5-dome nut, 6-nut, 7-boss, 8-dome nut, 9-spring washer, 10-plain washer, 11-boss locating stud, 12-double threaded screw, 13-marking rod, 14-spring, 15-base pads, 16-locating stud, 17-sealing gasket, 18-air bag, the moulding of 19-rectangle, the main adapter of 20-, 21. double threaded screw assemblies.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in further detail.
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, side plate 1 and center plate 2 adopt high tensile aluminium alloy to process, surface anodization.Side plate 1 and center plate 2 are all designed to plate spoke structure, and portable construction facilitates human users, and ensure that structural strength.Due to manhole space's restriction, described side plate 1 and center plate 2 are designed to split-type structural.Center plate 2 both sides are respectively provided with one block of side plate, 1, two blocks of side plates 1 and one piece of conglobate plate spoke structure of the overall structure of center plate 2.
As shown in Figure 3, two the screw rod mounting holes 101 on side plate 1 and four locating stud mounting holes 102 provide the installing space of double threaded screw assembly convex platform locating stud 11 and stud bolt 12 respectively.As Fig. 3 a) shown in, side plate 1 is overall in fan-shaped cavity type structure.As Fig. 3 b) and Fig. 3 a) shown in, side plate 1 be provided with bottom in interradial plate 103, two pieces of two bottom sides disc 105 and two pieces of upper strata disc 104.In bottom, interradial plate 103 is positioned at the center bottom side plate 1, two pieces of two bottom sides disc 105 symmetrical both sides being arranged in bottom interradial plate 103 respectively.Upper strata disc 104 is positioned at side plate 1 top, and upper strata disc 104 is in two bottom sides disc 105 and bottom between interradial plate 103.The flange 106 of side plate 1 top outer rim contacts with the mouth of pipe of main adapter 20 when installing, and plays the effect of mounting flange.Marking rod mounting hole 107 on flange 106 provides the mounting point of marking rod 13.Be provided with two pieces of baffle plates 108 inside side plate 1, baffle plate 108 is for the connection of side plate 1 with center plate 2.
As shown in Figure 4, two tapped holes 201 on center plate 2 are for connection locating stud 16.Flange 202 and flange 106 form completely circular structure, with the effect of flange.Center plate 2 is equally cavity type structure with side plate 1.For proof strength is designed with interradial plate 206 and two pieces of upper strata disc 204 in two pieces of two bottom sides disc 203, bottom.In bottom, interradial plate 206 is positioned at center plate 2 bottom centre, and two pieces of two bottom sides disc 203 are arranged in interradial plate 206 both sides, bottom.Upper strata disc 204 is positioned at center plate 2 top, and upper strata disc 204 is in bottom between interradial plate 206 and two bottom sides disc 203.For alleviating quality further, side plate 1 both sides have four small square holes 207 and four large square holes 205.Small square hole 207 is positioned at outside large square hole 205, and the center line of four small square holes 207 and four large square holes 205 all centrally plate 2, in non-circular arc bilateral symmetry distribution.Four draw-in grooves 208 are for the baffle plate 108 on location and installation side plate 1, and as shown in Figure 1 and Figure 4, on two side plates 1, totally four baffle plates 108 are embedded in corresponding four draw-in grooves 208 all separately.Baffle plate 108 and draw-in groove 208 overlap, and are Spielpassung, make the relative position of center plate 2 and two blocks of side plates 1 immobilize during installation.By the double threaded screw 12 on fixed lateral plate 1, thus whole closure plate device is fixed.
As shown in Figure 1, Figure 2 with shown in Fig. 5, when equipment is installed, operator enter primary side of steam generator hydroecium.Under the cooperation of another operator, bend black box, and be jointly embedded in black box after center plate 2, two blocks of side plates 1 being coordinated composition completely circular structure.Black box is made up of sealing gasket 17, air bag 18, rectangle moulding 19.Center plate 2 is embedded in sealing gasket 17, and center plate 2, two blocks of side plates 1 and black box is embedded in the main adapter 20 of first side hydroecium.
As shown in Figure 1, center plate 2 and black box are fixedly installed in main adapter 20 by two locating studs 16.As shown in Figure 1, Figure 2 and Figure 3, two blocks of side plates 1 are fixedly installed in main adapter 20 each via four double threaded screw assemblies 21; Double threaded screw assembly 21 is made up of dome nut 5, nut 6, double threaded screw 12.Stud 12 runs through side plate 1, boss 7 and sealing gasket 17, is arranged in main adapter 20 by side plate 1.Double threaded screw 12 top is provided with cheese head screw 5 and nut 6.Described cheese head screw 5 can make stud 12 avoid tangling other repair apparatus cables.Double threaded screw assembly 21 is fixedly mounted on side plate 1 by boss 7, and boss 7 is fixedly mounted on side plate 1 by fastener assembly.Fastener assembly is made up of dome nut 8, spring washer 9, plain washer 10, boss locating stud 11.Fastening with side plate 1 bottom boss locating stud 11, boss locating stud 11 top is provided with dome nut 8, spring washer 9, plain washer 10.On side plate 1 and boss, 7 are provided with oval hole, ensure necessarily to install activity space, make simple installation.
As shown in figures 1 to 6, be provided with two detection components in every block side plate 1 separately, detection components is made up of marking rod 13, spring 14, base pads 15.Overlap between marking rod 13 and side plate 1 and have spring 14 and base pads 15, marking rod 13 middle and lower part is provided with boss, and spring 14 is positioned at this boss and is provided with top, and base pads 15 is between this boss bottom and sealing gasket 17, and base pads 15 is for retaining spring 14.During original state, spring 14 is in elongation state, and the boss compressed on marking rod 13 makes it be close in base pads 15.When closure plate of the present invention is in place, the sealing gasket 17 of black box is adjacent to the end face of main adapter 20, after marking rod 13 times end in contact main adapter 20 end faces, and the boss Compress Spring 14 on marking rod 13, marking rod 13 upper end is made to exceed side plate 1 upper surface, as shown in Fig. 6 right part of flg.Naked eyes can observe the marking rod 13 stretched out, and confirm successful installation.Otherwise if the marking rod 13 stretched out can not be observed, show to reexamine installation.Until see marking rod 13.This detection components structure is simply effective.
As shown in Figure 1, Figure 2, shown in Fig. 5 and Fig. 7, black box is made up of sealing gasket 17, air bag 18, rectangle moulding 19.Described black box material is EPDM(ethylene propylene diene rubber), good resistance to high temperature can be ensured.Sealing gasket 17 fits tightly with side plate 1 and center plate 2.Be looped around on sealing gasket 17 outer surface inside two annular air-pockets 18, two pieces of rectangle moulding 19 are arranged on air bag 18 outer surface.Sealing gasket 17, air bag 18 and rectangle moulding 19 adopt grinding tool global formation, ensure that overall sealing effect.Two annular air-pockets 18 fully can ensure the reliability of sealing.Inside annular air-pocket 18, have an air-filled pore, a pore that can be communicated with the air-filled pore inside annular air-pocket 18 opened all separately by sealing gasket 17, side plate 1.The tail end of flexible pipe 4 is communicated with the air-filled pore inside annular air-pocket 18 through the pore on sealing gasket 17, side plate 1.During use, inflated in two air bags 18 by flexible pipe 4 by the air-filled pore inside annular air-pocket 18; After two air bags 18 are inflated, air bag 18, sealing gasket 17 and main adapter 20 internal face form a closed chamber, are caught pressure and the changes in flow rate of these enclosed cavity indoor, are converted into electrical signal, can whether detect seal failure by flexible pipe 4.Air bag 18 produces distortion after inflating.The rectangle moulding 19 be attached thereto is stretched laterally, and is fitted on main adapter 20 inwall disc, two air bags 18 and moulding 19 realize two seals." several " shape sealing gasket 17 both sides are arranged on main adapter 20 flanged surface by double threaded screw 12 laminating, realize three seals.Two seals makes sealing effect more reliable.It is 4bar that black box can bear independently adapter 20 hydraulic pressure, and within the scope of 2bar effectively, the maximum swelling pressure of bearing are 7bar to sealing, and the pressure that bears of air chamber pipeline is greater than 15bar.
The flexible pipe group that flexible pipe 4 is made up of many flexible pipes, nylon cable tie 3 forms flexible pipe 4 for being bundled together by many flexible pipes.
In conjunction with the accompanying drawings and embodiments the present invention is explained in detail above, but the present invention is not limited to above-described embodiment, in the ken that those of ordinary skill in the art possess, various change can also be made under the prerequisite not departing from present inventive concept.The content be not described in detail in the present invention all can adopt prior art.
Claims (9)
1. a primary side of steam generator main adapter high water level closure plate, it is characterized in that: it comprises two pieces of side plates (1), center plate (2), center plate (2) is arranged between two pieces of side plates (1), and center plate (2), two pieces of side plates (1) coordinate composition completely circular structure, side plate (1) and center plate (2) are plate spoke structure, every block side plate (1) is equipped with detection components, described detection components is by marking rod (13), spring (14), base pads (15) is formed, overlap between marking rod (13) and side plate (1) and have spring (14) and base pads (15), marking rod (13) middle and lower part is provided with boss, spring (14) is positioned at this boss top, base pads (15) is positioned at this boss bottom.
2. a kind of primary side of steam generator according to claim 1 main adapter high water level closure plate, it is characterized in that: described side plate (1) is overall in fan-shaped cavity type structure, side plate (1) is provided with interradial plate (103) in bottom, two pieces of two bottom sides disc (105), two pieces of upper strata disc (104), flange (106), baffle plate (108), in bottom, interradial plate (103) is positioned at the center of side plate (1) bottom, and two pieces of two bottom sides disc (105) respectively symmetry are arranged in the both sides of bottom interradial plate (103); Upper strata disc (104) is positioned at side plate (1) top, and upper strata disc (104) is arranged between two bottom sides disc (105) and bottom interradial plate (103); The flange (106) that side plate (1) top outer rim is provided with, flange (106) is provided with marking rod mounting hole (107), the sidewall of side plate (1) is provided with baffle plate (108), and baffle plate (108) is embedded in the sidewall of center plate (2).
3. a kind of primary side of steam generator according to claim 1 and 2 main adapter high water level closure plate, it is characterized in that: the cavity structure that described center plate (2) is rectangle for two ends circular arc, center plate (2) both sides outer rim is provided with two tapped holes (201), flange (202), two pieces of two bottom sides disc (203), two pieces of upper strata disc (204), four large square holes (205), interradial plate (206) in two pieces of bottoms, four small square holes (207), four draw-in grooves (208); In bottom, interradial plate (206) is positioned at center plate (2) bottom centre, and two pieces of two bottom sides disc (203) are arranged in interradial plate (206) both sides, bottom; Upper strata disc (204) is positioned at center plate (2) top, is arranged between bottom interradial plate (206) and two bottom sides disc (203) simultaneously; Center plate (2) both sides outer rim is provided with flange (202), flange (202) is provided with tapped hole (201) and draw-in groove (208); Bottom small square hole (207) is positioned at large square hole (205) outside, four small square holes (207) and four large square holes (205) all centrally plate (2) center line, in non-circular arc bilateral symmetry distribution.
4. a kind of primary side of steam generator according to claim 3 main adapter high water level closure plate, it is characterized in that: described center plate (2), two pieces of side plates (1) are all embedded in black box, black box by with side plate (1), the sealing gasket (17) that fits tightly of center plate (2) bottom, be looped around the air bag (18) on sealing gasket (17) outer surface, the moulding (19) be arranged on air bag (18) outer surface is formed, and base pads (15) is positioned between the boss bottom of marking rod (13) and sealing gasket (17).
5. a kind of primary side of steam generator according to claim 4 main adapter high water level closure plate, it is characterized in that: have an air-filled pore in described air bag (18) inner side, a pore that can be communicated with the air-filled pore of annular air-pocket (18) inner side opened all separately by sealing gasket (17), side plate (1), and the tail end of flexible pipe (4) is communicated with by the air-filled pore of the pore on sealing gasket (17), side plate (1) with annular air-pocket (18) inner side.
6. a kind of primary side of steam generator according to claim 5 main adapter high water level closure plate, it is characterized in that: described side plate (1) is fixedly installed in the main adapter of first side (20) by double threaded screw assembly (21), double threaded screw assembly (21) is by dome nut (5), nut (6), double threaded screw (12) is formed, stud (12) runs through side plate (1), side plate 1 is arranged in main adapter (20) by sealing gasket (17), double threaded screw (12) top is provided with cheese head screw (5) and nut (6).
7. a kind of primary side of steam generator according to claim 6 main adapter high water level closure plate, is characterized in that: described double threaded screw assembly (21) is arranged in main adapter (20) by boss (7).
8. a kind of primary side of steam generator according to claim 7 main adapter high water level closure plate, it is characterized in that: described boss (7) is fixedly mounted on side plate (1) by fastener assembly, fastener assembly is made up of dome nut (8), spring washer (9), plain washer (10), boss locating stud (11), boss locating stud (11) bottom is fastening with side plate (1), and boss locating stud (11) top is provided with dome nut (8), spring washer (9), plain washer (10).
9. a kind of primary side of steam generator according to claim 8 main adapter high water level closure plate, is characterized in that: described center plate (2) is fixedly installed in main adapter (20) by locating stud (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210234644.8A CN103542225B (en) | 2012-07-09 | 2012-07-09 | Primary side of steam generator main adapter high water level closure plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210234644.8A CN103542225B (en) | 2012-07-09 | 2012-07-09 | Primary side of steam generator main adapter high water level closure plate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103542225A CN103542225A (en) | 2014-01-29 |
| CN103542225B true CN103542225B (en) | 2016-01-20 |
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ID=49965961
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210234644.8A Active CN103542225B (en) | 2012-07-09 | 2012-07-09 | Primary side of steam generator main adapter high water level closure plate |
Country Status (1)
| Country | Link |
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| CN (1) | CN103542225B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107722471B (en) * | 2017-10-23 | 2020-07-31 | 陕西特种橡胶制品有限公司 | Radiation-resistant rubber for nuclear power steam generator closure plate air bag and preparation method thereof |
| CN107965620A (en) * | 2018-01-03 | 2018-04-27 | 上海核工程研究设计院有限公司 | A kind of steam generator water chamber head ozzle closure plate |
| CN112728247B (en) * | 2020-12-31 | 2024-09-10 | 核动力运行研究所 | Sealing assembly of primary side high water level blocking plate of steam generator |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4482076A (en) * | 1979-02-02 | 1984-11-13 | Combustion Engineering, Inc. | Nozzle plug for submersible vessel |
| US4693278A (en) * | 1986-11-10 | 1987-09-15 | T. D. Williamson, Inc. | Safety closure member |
| US4770235A (en) * | 1986-05-16 | 1988-09-13 | Combustion Engineering, Inc. | Nozzle dam locking pin assembly |
| CN202733317U (en) * | 2012-07-09 | 2013-02-13 | 核动力运行研究所 | High water blocking board of primary side main connecting pipe of steam generator |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8019038B2 (en) * | 2006-11-21 | 2011-09-13 | Advanced Engineered Products Incorporated | Steam generator nozzle dam and method for installing and removing steam generator nozzle dam |
-
2012
- 2012-07-09 CN CN201210234644.8A patent/CN103542225B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4482076A (en) * | 1979-02-02 | 1984-11-13 | Combustion Engineering, Inc. | Nozzle plug for submersible vessel |
| US4770235A (en) * | 1986-05-16 | 1988-09-13 | Combustion Engineering, Inc. | Nozzle dam locking pin assembly |
| US4693278A (en) * | 1986-11-10 | 1987-09-15 | T. D. Williamson, Inc. | Safety closure member |
| CN202733317U (en) * | 2012-07-09 | 2013-02-13 | 核动力运行研究所 | High water blocking board of primary side main connecting pipe of steam generator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103542225A (en) | 2014-01-29 |
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