CN102192820A - Secondary side circulating outlet interface module for secondary side preservice water pressure test of steam generator - Google Patents
Secondary side circulating outlet interface module for secondary side preservice water pressure test of steam generator Download PDFInfo
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- CN102192820A CN102192820A CN 201010130494 CN201010130494A CN102192820A CN 102192820 A CN102192820 A CN 102192820A CN 201010130494 CN201010130494 CN 201010130494 CN 201010130494 A CN201010130494 A CN 201010130494A CN 102192820 A CN102192820 A CN 102192820A
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Abstract
The invention belongs to the field of pressurized water reactor nuclear power plants, in particular discloses a secondary side circulating outlet interface module for secondary side preservice water pressure test of a steam generator, which comprises a valve cover temporary connecting flange, a first pairing flange, a large-aperture high pressure ball valve, a second pairing flange, a second straight pipe section and a heating circulating outlet fast connector, wherein one end of the valve cover temporary connecting flange is communicated with one end of the first pairing flange; the other end of the first pairing flange is connected with one end of the large-aperture high pressure ball valve; the other end of the large-aperture high pressure ball valve is communicated with one end of the second pairing flange; the other end of the second pairing flange is communicated with one end of the second straight pipe section; and the other end of the second straight pipe section is communicated with the heating circulating outlet fast connector. The interface module disclosed by the invention has functions of high-flow communication and high pressure isolation.
Description
Technical field
The invention belongs to PWR nuclear power plant (pressurized-water reactor nuclear power plant) field, be specifically related to the preceding hydraulic testing secondary side loop exit interface module of a kind of steam generator secondary side labour.
Background technology
The hydraulic testing is important node and the milestone in the PWR nuclear power plant nuclear island equipment erection schedule before the steam generator secondary side labour.Its scope has covered steam generator secondary side and relative system (comprising main feed system, auxiliary feedwater system, main steam system, drainage or the like) pipeline and isolation boundary-valve.
This test comprises that steam generator shell heats up, multinomial technological processes such as secondary side boosts, pressurize, release.Therefore, the interface between pilot system and the steam generator secondary side loop exit also requires to possess the high pressure isolation features except big flow connectivity capabilities.
Summary of the invention
The object of the present invention is to provide the preceding hydraulic testing secondary side loop exit interface module of a kind of steam generator secondary side labour, this interface module has the function that big flow is communicated with, high pressure is isolated.
Realize the technical scheme of the object of the invention: hydraulic testing secondary side loop exit interface module before a kind of steam generator secondary side labour, it comprises the interim joint flange of valve gap, first companion flange, heavy caliber high-pressure ball valve, second companion flange, second straight length and heat cycles outlet ready-packaged joint, and an end of the interim joint flange of valve gap is communicated with an end of first companion flange; Be connected between one end of the other end of first companion flange and heavy caliber high-pressure ball valve, be communicated with between the end of the other end of heavy caliber high-pressure ball valve and second companion flange; The other end of second companion flange is communicated with an end of second straight length, and the other end of second straight length is communicated with heat cycles outlet ready-packaged joint.
Be communicated with by first straight length between the interim joint flange of described valve gap and first companion flange.
Be communicated with by the loop exit elbow between described first straight length and first companion flange.
The described second straight length top is provided with plugs in the gas outlet that is communicated with it.
Described gas outlet middle part is provided with vent valve.
Useful technique effect of the present invention: interface module of the present invention can be realized steam generator secondary side heat cycles outlet linkage function and suppress the corresponding pressure-bearing boundary isolation features in stage, have the function that big flow is communicated with, high pressure is isolated.Adopt rapid-acting coupling to be connected between the flexible pipe of hydraulic testing system before this interface module and the steam generator secondary side labour, take off the personal security when managing in case can guarantee high-pressure hose.Simultaneously, this interface module easy accessibility has made things convenient for this interface module maintenance and mobile.This interface module is provided with 1 high-pressure ball valve, to realize suppressing quick, the effectively isolation that step cycle adds hot interface.This interface module compact conformation has been realized the isolation features of hydraulic pressure test system high-pressure section before the steam generator secondary side labour in limited installing space.This special purpose interface spare compact conformation, easy for installation, performance is safe and reliable, can realize isolating fast effectively of pressure-bearing boundary, has extraordinary using value in PWR nuclear power plant (station) engineering construction.
Description of drawings
Fig. 1 is the structural representation of hydraulic testing secondary side loop exit interface module before a kind of steam generator secondary side labour provided by the present invention.
Among the figure: 1. the interim joint flange of valve gap; 2. first straight length; 3. loop exit elbow; 4. first companion flange; 5,12 is pad; 6,13 is coupling bolt; 7,14 is the attaching nut; 8,15 is clamping washer; 9. heavy caliber high-pressure ball valve; 10. heavy caliber high-pressure ball valve reducing gear; 11. second companion flange; 16. vent valve; 17. gas outlet; 18. the 6th straight length; 19. heat cycles outlet ready-packaged joint.
Embodiment
Below in conjunction with drawings and Examples the present invention is described in further detail.
As shown in Figure 1, hydraulic testing secondary side loop exit interface module before a kind of steam generator secondary side labour, it comprises the interim joint flange 1 of valve gap, first straight length 2, loop exit elbow 3, first companion flange 4, heavy caliber high-pressure ball valve 9, second companion flange 11, second straight length 18, heat cycles outlet ready-packaged joint 19, gas outlet 17, second straight length 18 and pad 5, pad 12, bolt 6, bolt 13, nut 7, nut 14, clamping washer 8, clamping washer 15.
As shown in Figure 1, an end of an end of the interim joint flange 1 of valve gap and first straight length 2 welding; The other end of first straight length 2 adopts jam welding to be connected with an end of loop exit elbow 3; The other end of loop exit elbow 3 adopts jam welding to be connected with an end of first companion flange 4; Fixedly connected by bolt 6, nut 7, clamping washer 8 between one end of the other end of first companion flange 4 and heavy caliber high-pressure ball valve 9, be provided with gasket seal 5 between first companion flange 4 and the heavy caliber high-pressure ball valve 9; Fixedly connected by bolt 13, nut 14, clamping washer 15 between one end of the other end of heavy caliber high-pressure ball valve 9 and second companion flange 11, be provided with gasket seal 12 between the heavy caliber high-pressure ball valve 9 and second companion flange 11; The other end of second companion flange 11 adopts jam welding to be connected with an end of second straight length 18; Heat cycles outlet ready-packaged joint 19 adopts socket welded mode to be installed in the other end of second straight length 18.First companion flange 4, the heavy caliber high-pressure ball valve 9 that has reducing gear 10 and second companion flange 11 link together and constitute heat cycles outlet Trunk Line.Before carrying out steam generator secondary side labour during the hydraulic testing, steam generator shell heats up after required hot water carries out heat interchange through steam generator secondary side, and the heat cycles process pipeline that is back to the preceding hydraulic testing system of steam generator secondary side labour by this outlet Trunk Line carries out heat temperature raising once more.
As shown in Figure 1, the middle part of gas outlet 17 is provided with vent valve 16, and gas outlet 17 bottoms that have vent valve 16 weld together from the top insertion of second straight length 18 and with it and constitute the mouthpiece exhaust line, and gas outlet 17 is communicated with second straight length 18.During the hydraulic testing, the water-filling exhaust phase before steam generator secondary side is used as a servant before the hydraulic testing can carry out bleeding to the heat cycles return piping by this exhaust line before carrying out steam generator secondary side labour.
As shown in Figure 1, when using interface module provided by the present invention, remove the valve gap and the spool of steam generator secondary side, the non-return valve that will cover interim joint flange 1 and be arranged on steam generator secondary side by screw links together.During hydraulic testing system circulated heating process before steam generator secondary side labour, the heavy caliber high-pressure ball valve 9 on the loop exit interface module of the present invention was in open mode, to guarantee the abundant circulation of recirculated water.At this moment, vent valve 16 is in closed condition, and is complete with the isolation boundary that guarantees the heat cycles stage.Hydraulic testing system carries out system and suppresses the stage before steam generator secondary side labour, and the circulation heating circuit high pressure isolation ball valve 9 on the loop exit interface module of the present invention is closed fully, complete with assurance steam generator secondary side hydraulic testing pressure-bearing boundary.
In conjunction with the accompanying drawings embodiments of the invention have been done detailed description above, but the present invention is not limited to the foregoing description, in the ken that those of ordinary skills possessed, can also under the prerequisite that does not break away from aim of the present invention, makes various variations.The content that is not described in detail in the instructions of the present invention all can adopt prior art, and for example the interim joint flange 1 of valve gap, first straight length 2, loop exit elbow 3, first companion flange 4, heavy caliber high-pressure ball valve 9, second companion flange 11, second straight length 18, heat cycles outlet ready-packaged joint 19 and bolt, nut, clamping washer, pad etc. all can adopt the product of any model in the prior art.
Claims (5)
1. hydraulic testing secondary side loop exit interface module before a steam generator secondary side is used as a servant, it is characterized in that: it comprises the interim joint flange of valve gap (1), first companion flange (4), heavy caliber high-pressure ball valve (9), second companion flange (11), second straight length (18) and heat cycles outlet ready-packaged joint (19), and an end of the interim joint flange of valve gap (1) is communicated with an end of first companion flange (4); Be connected between one end of the other end of first companion flange (4) and heavy caliber high-pressure ball valve (9), be communicated with between the end of the other end of heavy caliber high-pressure ball valve (9) and second companion flange (11); The other end of second companion flange (11) is communicated with an end of second straight length (18), and the other end of second straight length (18) is communicated with heat cycles outlet ready-packaged joint (19).
2. hydraulic testing secondary side loop exit interface module before a kind of steam generator secondary side labour according to claim 1 is characterized in that: be communicated with by first straight length (2) between the interim joint flange of described valve gap (1) and first companion flange (4).
3. hydraulic testing secondary side loop exit interface module before a kind of steam generator secondary side labour according to claim 2 is characterized in that: be communicated with by loop exit elbow (3) between described first straight length (2) and first companion flange (4).
4. according to hydraulic testing secondary side loop exit interface module before claim 1, the 2 or 3 described a kind of steam generator secondary side labour, it is characterized in that: described second straight length (18) top is provided with plugs in the gas outlet (17) that is communicated with it.
5. hydraulic testing secondary side loop exit interface module before a kind of steam generator secondary side labour according to claim 4, it is characterized in that: described gas outlet (17) middle part is provided with vent valve (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010130494 CN102192820B (en) | 2010-03-11 | 2010-03-11 | Secondary side circulating outlet interface module for secondary side preservice water pressure test of steam generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010130494 CN102192820B (en) | 2010-03-11 | 2010-03-11 | Secondary side circulating outlet interface module for secondary side preservice water pressure test of steam generator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102192820A true CN102192820A (en) | 2011-09-21 |
| CN102192820B CN102192820B (en) | 2013-05-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201010130494 Active CN102192820B (en) | 2010-03-11 | 2010-03-11 | Secondary side circulating outlet interface module for secondary side preservice water pressure test of steam generator |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85106507A (en) * | 1985-08-29 | 1987-03-11 | 西屋电气公司 | Improved model steam generator |
| SU1747986A1 (en) * | 1990-06-14 | 1992-07-15 | Институт Биохимии И Физиологии Микроорганизмов Ан Ссср | Vapor-sterilized joint for fermenter |
| DE19508319A1 (en) * | 1995-03-09 | 1996-09-12 | Baelz Gmbh Helmut | Programmable controller for water or steam flow in heating supply systems |
| CN201192583Y (en) * | 2008-04-09 | 2009-02-11 | 上海远跃轻工机械有限公司 | Heat-energy compression bi-effect evaporator |
-
2010
- 2010-03-11 CN CN 201010130494 patent/CN102192820B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85106507A (en) * | 1985-08-29 | 1987-03-11 | 西屋电气公司 | Improved model steam generator |
| SU1747986A1 (en) * | 1990-06-14 | 1992-07-15 | Институт Биохимии И Физиологии Микроорганизмов Ан Ссср | Vapor-sterilized joint for fermenter |
| DE19508319A1 (en) * | 1995-03-09 | 1996-09-12 | Baelz Gmbh Helmut | Programmable controller for water or steam flow in heating supply systems |
| CN201192583Y (en) * | 2008-04-09 | 2009-02-11 | 上海远跃轻工机械有限公司 | Heat-energy compression bi-effect evaporator |
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|---|---|
| CN102192820B (en) | 2013-05-22 |
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