CN102192820B - 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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- CN102192820B CN102192820B CN 201010130494 CN201010130494A CN102192820B CN 102192820 B CN102192820 B CN 102192820B CN 201010130494 CN201010130494 CN 201010130494 CN 201010130494 A CN201010130494 A CN 201010130494A CN 102192820 B CN102192820 B CN 102192820B
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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 thesecond 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 a kind of secondary pre-service hydraulic pressure test of steam generator secondary side loop exit interface module.
Background technology
Secondary pre-service hydraulic pressure test of steam generator is important node and the milestone in PWR nuclear power plant nuclear island equipment erection schedule.Its scope has covered steam generator secondary side and relative system (comprising main feed system, auxiliary feedwater system, main steam system, drainage etc.) pipeline and isolation boundary-valve.
This test comprises that steam generator shell heats up, the multinomial technological processes such as secondary side boosts, pressurize, release.Therefore, the interface between pilot system and steam generator secondary side loop exit also requires to possess the high pressure isolation features except large flow connectivity capabilities.
Summary of the invention
The object of the present invention is to provide a kind of secondary pre-service hydraulic pressure test of steam generator secondary side loop exit interface module, this interface module has the function that large flow is communicated with, high pressure is isolated.
Realize the technical scheme of the object of the invention: a kind of secondary pre-service hydraulic pressure test of steam generator secondary side loop exit interface module, it comprises the interim joint flange of valve gap, the first companion flange, heavy caliber high pressure ball valve, the second companion flange, the first 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 the first companion flange; Be connected between one end of the other end of the first companion flange and heavy caliber high pressure ball valve, be communicated with between an end of the other end of heavy caliber high pressure ball valve and the second companion flange; The other end of the second companion flange is communicated with an end of the first straight length, and the other end of the first straight length is communicated with heat cycles outlet ready-packaged joint.
Be communicated with by the second straight length between the interim joint flange of described valve gap and the first companion flange.
Be communicated with by the loop exit elbow between described the second straight length and the first companion flange.
Described the first 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 large flow is communicated with, high pressure is isolated.Adopt rapid-acting coupling to be connected between the flexible pipe of this interface module and secondary pre-service hydraulic pressure test of steam generator system, in case can guarantee that high-pressure hose takes off the personal security when managing.Simultaneously, this interface module easy accessibility has facilitated this interface module maintenance and mobile.Be provided with 1 high-pressure ball valve on this interface module, 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 steam generator secondary side labour in limited installing space.This special purpose interface spare compact conformation, easy for installation, performance safety is reliable, can realize the effectively isolation fast 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 a kind of secondary pre-service hydraulic pressure test of steam generator secondary side loop exit interface module provided by the present invention.
In figure: 1. the interim joint flange of valve gap; 2. the second straight length; 3. loop exit elbow; 4. the 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. the 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, a kind of secondary pre-service hydraulic pressure test of steam generator secondary side loop exit interface module, it comprises the interim joint flange 1 of valve gap, the second straight length 2, loop exit elbow 3, the first companion flange 4, heavy caliber high pressure ball valve 9, the second companion flange 11, the first straight length 18, heat cycles outlet ready-packaged joint 19, gas outlet 17, the first 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 welding of an end of the interim joint flange 1 of valve gap and the second straight length 2; The other end of the second 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 the first companion flange 4; Be fixedly connected with by bolt 6, nut 7, clamping washer 8 between one end of the other end of the first companion flange 4 and heavy caliber high pressure ball valve 9, be provided with gasket seal 5 between the first companion flange 4 and heavy caliber high pressure ball valve 9; Be fixedly connected with by bolt 13, nut 14, clamping washer 15 between one end of the other end of heavy caliber high pressure ball valve 9 and the second companion flange 11, be provided with gasket seal 12 between heavy caliber high pressure ball valve 9 and the second companion flange 11; The other end of the second companion flange 11 adopts jam welding to be connected with an end of the first straight length 18; Heat cycles outlet ready-packaged joint 19 adopts socket welded mode to be arranged in the other end of the first straight length 18.The first companion flange 4, linking together with the heavy caliber high pressure ball valve 9 of reducing gear 10 and the second companion flange 11 consists of heat cycles outlet Trunk Line.When carrying out secondary pre-service hydraulic pressure test of steam generator, 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 secondary pre-service hydraulic pressure test of steam generator system by this outlet Trunk Line carries out heat temperature raising again.
As shown in Figure 1, the middle part of gas outlet 17 is provided with vent valve 16, inserts and weld together with it from the top of the first straight length 18 with gas outlet 17 bottoms of vent valve 16 to consist of the mouthpiece exhaust line, and gas outlet 17 is communicated with the first straight length 18.When carrying out secondary pre-service hydraulic pressure test of steam generator, the water-filling exhaust phase before secondary pre-service hydraulic pressure test of steam generator can carry out bleeding to the heat cycles return piping by this exhaust line.
As shown in Figure 1, when using interface module provided by the present invention, remove valve gap and the spool of steam generator secondary side, will cover interim joint flange 1 by screw and link together with the non-return valve that is arranged on steam generator secondary side.In the secondary pre-service hydraulic pressure test of steam generator system carried out the circulating-heating process, the heavy caliber high pressure ball valve 9 on 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.Carry out system in the secondary pre-service hydraulic pressure test of steam generator system and suppress the stage, the circulating-heating loop high-voltage isolation ball valve 9 on loop exit interface module of the present invention is closed fully, to guarantee the complete of steam generator secondary side hydraulic testing pressure-bearing boundary.
The above has done detailed description to embodiments of the invention by reference to the accompanying drawings, but the present invention is not limited to above-described embodiment, in the ken that those of ordinary skills possess, can also make various variations under the prerequisite that does not break away from aim of the present invention.The content that is not described in detail in instructions of the present invention all can adopt prior art, and such as the interim joint flange 1 of valve gap, the second straight length 2, loop exit elbow 3, the first companion flange 4, heavy caliber high pressure ball valve 9, the second companion flange 11, the first straight length 18, heat cycles outlet ready-packaged joint 19 and bolt, nut, clamping washer, pad etc. all can be adopted the product of any model in prior art.
Claims (5)
1. secondary pre-service hydraulic pressure test of steam generator secondary side loop exit interface module, it is characterized in that: it comprises the interim joint flange of valve gap (1), the first companion flange (4), heavy caliber high pressure ball valve (9), the second companion flange (11), the first 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 the first companion flange (4); Be connected between one end of the other end of the first companion flange (4) and heavy caliber high pressure ball valve (9), be communicated with between an end of the other end of heavy caliber high pressure ball valve (9) and the second companion flange (11); The other end of the second companion flange (11) is communicated with an end of the first straight length (18), and the other end of the first straight length (18) is communicated with heat cycles outlet ready-packaged joint (19).
2. a kind of secondary pre-service hydraulic pressure test of steam generator secondary side loop exit interface module according to claim 1 is characterized in that: be communicated with by the second straight length (2) between the interim joint flange of described valve gap (1) and the first companion flange (4).
3. a kind of secondary pre-service hydraulic pressure test of steam generator secondary side loop exit interface module according to claim 2 is characterized in that: be communicated with by loop exit elbow (3) between described the second straight length (2) and the first companion flange (4).
4. according to claim 1,2 or 3 described a kind of secondary pre-service hydraulic pressure test of steam generator secondary side loop exit interface modules is characterized in that: described the first straight length (18) top is provided with plugs in the gas outlet (17) that is communicated with it.
5. a kind of secondary pre-service hydraulic pressure test of steam generator secondary side loop exit interface module according to claim 4, is characterized in that: be provided with vent valve (16) in the middle part of described gas outlet (17).
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 |
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| Publication Number | Publication Date |
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| CN102192820A CN102192820A (en) | 2011-09-21 |
| CN102192820B true 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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|---|---|
| CN102192820A (en) | 2011-09-21 |
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