RU2015102015A - PASSIVE EMERGENCY SEALING DEVICE FOR THE SYSTEM OF SHAFT SEALS IN THE ASSEMBLY OF THE REACTOR COOLING PUMP - Google Patents
PASSIVE EMERGENCY SEALING DEVICE FOR THE SYSTEM OF SHAFT SEALS IN THE ASSEMBLY OF THE REACTOR COOLING PUMP Download PDFInfo
- Publication number
- RU2015102015A RU2015102015A RU2015102015A RU2015102015A RU2015102015A RU 2015102015 A RU2015102015 A RU 2015102015A RU 2015102015 A RU2015102015 A RU 2015102015A RU 2015102015 A RU2015102015 A RU 2015102015A RU 2015102015 A RU2015102015 A RU 2015102015A
- Authority
- RU
- Russia
- Prior art keywords
- sealing
- cooling pump
- reactor cooling
- shaft
- ring
- Prior art date
Links
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/08—Sealings
- F04D29/10—Shaft sealings
- F04D29/14—Shaft sealings operative only when pump is inoperative
- F04D29/146—Shaft sealings operative only when pump is inoperative especially adapted for liquid pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/001—Testing thereof; Determination or simulation of flow characteristics; Stall or surge detection, e.g. condition monitoring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/008—Stop safety or alarm devices, e.g. stop-and-go control; Disposition of check-valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/08—Sealings
- F04D29/10—Shaft sealings
- F04D29/12—Shaft sealings using sealing-rings
- F04D29/126—Shaft sealings using sealing-rings especially adapted for liquid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D7/00—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts
- F04D7/02—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type
- F04D7/08—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type the fluids being radioactive
-
- 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
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/164—Sealings between relatively-moving surfaces the sealing action depending on movements; pressure difference, temperature or presence of leaking fluid
-
- 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
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
- F16J15/3204—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip
- F16J15/3208—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip provided with tension elements, e.g. elastic rings
-
- 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
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
- F16J15/3204—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip
- F16J15/3208—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip provided with tension elements, e.g. elastic rings
- F16J15/3212—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip provided with tension elements, e.g. elastic rings with metal springs
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Sealing Devices (AREA)
Abstract
1. Пассивное аварийное уплотнительное устройство (20) для уплотнительной системы вала насоса охлаждения реактора, отличающееся тем, что содержит:разъемное уплотнительное кольцо (23, 123), характеризующееся наличием неактивного положения и активного положения;разделитель (27, 127), выполненный из плавкого материала, способного изменять свое состояние при превышении температурного порога, именуемого порогом изменения состояния, при этом указанный разделитель (27, 127) удерживает указанное разъемное уплотнительное кольцо (23, 123) в его неактивном положении, когда температура устройства (20) ниже порога изменения состояния;при этом указанное устройство отличается тем, что содержит кольцевой эластичный элемент (22), расположенный вокруг разъемного уплотнительного кольца (23, 123), при этом указанный эластичный элемент (22) предусмотрен для приведения указанного уплотнительного кольца (23, 123) в его активное положение, когда температура выше либо равна значению порога изменения состояния указанного разделителя (27, 127).2. Пассивное аварийное уплотнительное устройство (20) для уплотнительной системы вала насоса охлаждения реактора по п. 1, отличающееся тем, что указанный эластичный элемент приводит указанное разъемное уплотнительное кольцо (23, 123) в его активное положение, когда температура больше либо равна значению порога активации устройства (20), при этом температура порога активации больше температуры порога изменения состояния.3. Пассивное аварийное уплотнительное устройство (20) для уплотнительной системы вала насоса охлаждения реактора по п. 1, отличающееся тем, что указанное устройство предусмотрено для формирования части системы уплотнителей в узле функционирующего1. Passive emergency sealing device (20) for the sealing system of the shaft of the reactor cooling pump, characterized in that it contains: a detachable sealing ring (23, 123), characterized by the presence of an inactive position and an active position; a separator (27, 127) made of fusible material capable of changing its state when the temperature threshold is exceeded, referred to as the state threshold, while said separator (27, 127) holds said split ring (23, 123) in its inactive floor when the temperature of the device (20) is lower than the threshold of the state change; wherein said device is characterized in that it contains an annular elastic element (22) located around a split sealing ring (23, 123), while said elastic element (22) is provided for bringing said sealing ring (23, 123) to its active position when the temperature is higher than or equal to the threshold value for changing the state of said separator (27, 127) .2. Passive emergency sealing device (20) for the sealing system of the shaft of the reactor cooling pump according to claim 1, characterized in that said elastic element brings said split ring (23, 123) to its active position when the temperature is greater than or equal to the activation threshold of the device (20), while the temperature of the activation threshold is higher than the temperature of the threshold of state change. 3. Passive emergency sealing device (20) for the sealing system of the shaft of the reactor cooling pump according to claim 1, characterized in that said device is provided for forming a part of the sealing system in a functioning unit
Claims (11)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1256005 | 2012-06-25 | ||
FR1256005A FR2992392B1 (en) | 2012-06-25 | 2012-06-25 | PASSIVE STOP SEALING DEVICE FOR SHAFT JOINT SYSTEM OF PRIMARY MOTOR PUMP GROUP |
PCT/FR2013/051473 WO2014001702A1 (en) | 2012-06-25 | 2013-06-25 | Passive shutdown sealing device for a system of shaft seals of a primary motorised pump unit |
Publications (1)
Publication Number | Publication Date |
---|---|
RU2015102015A true RU2015102015A (en) | 2016-08-20 |
Family
ID=46785670
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
RU2015102015A RU2015102015A (en) | 2012-06-25 | 2013-06-25 | PASSIVE EMERGENCY SEALING DEVICE FOR THE SYSTEM OF SHAFT SEALS IN THE ASSEMBLY OF THE REACTOR COOLING PUMP |
Country Status (12)
Country | Link |
---|---|
US (1) | US20150192142A1 (en) |
EP (1) | EP2864676A1 (en) |
JP (1) | JP2015528896A (en) |
KR (1) | KR20150032300A (en) |
CN (1) | CN104620027A (en) |
BR (1) | BR112014032566A2 (en) |
CA (1) | CA2877212A1 (en) |
FR (1) | FR2992392B1 (en) |
IN (1) | IN2014DN11210A (en) |
RU (1) | RU2015102015A (en) |
WO (1) | WO2014001702A1 (en) |
ZA (1) | ZA201409510B (en) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6021674B2 (en) * | 2012-09-28 | 2016-11-09 | 三菱重工業株式会社 | Shaft seal structure and primary coolant circulation pump |
KR101548866B1 (en) * | 2014-05-14 | 2015-09-01 | 한국수력원자력 주식회사 | Nitrogen supply system of reactor coolant pump of advanced power reactor plus |
CN105240309B (en) * | 2014-11-19 | 2017-11-17 | 中广核工程有限公司 | Nuclear reactor coolant pump and its passive parking seal assembly |
DE202015100048U1 (en) * | 2015-01-08 | 2016-04-11 | Krones Ag | seal |
CN104976150B (en) * | 2015-07-16 | 2017-11-17 | 中广核工程有限公司 | Nuclear reactor coolant pump and its passive parking sealing device |
WO2017092767A1 (en) * | 2015-11-30 | 2017-06-08 | Wärtsilä Svanehøj A/S | Static shaft sealing |
CN107100882B (en) * | 2017-05-16 | 2019-04-16 | 中广核工程有限公司 | Nuclear reactor coolant pump and its passive parking sealing device |
JP6764381B2 (en) * | 2017-08-24 | 2020-09-30 | 三菱重工業株式会社 | Shaft seal structure and primary coolant circulation pump |
JP2019173889A (en) * | 2018-03-29 | 2019-10-10 | 三菱重工業株式会社 | Multistage shaft seal device and rotary machine |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
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US4105040A (en) * | 1977-06-27 | 1978-08-08 | Chester Arnold M | Temperature responsive valve seal |
US5171024A (en) * | 1988-05-23 | 1992-12-15 | Westinghouse Electric Corp. | Reactor coolant pump shaft seal utilizing shape memory metal |
DE19653580B4 (en) * | 1996-12-20 | 2006-03-16 | Richard Wolf Gmbh | Seal for the shaft of a sterilizable rotary drive for medical tools and instruments |
JP3440777B2 (en) * | 1997-09-10 | 2003-08-25 | 株式会社日立製作所 | Segment type shaft sealing device and drain pump provided with the same |
JPH11280910A (en) * | 1998-03-30 | 1999-10-15 | Senshin Zairyo Riyo Gas Generator Kenkyusho:Kk | Cylindrical surface seal device |
US20030057655A1 (en) * | 2001-09-24 | 2003-03-27 | Siemens Westinghouse Power Corporation | Environmentally-reactive seal and associated method |
KR20070015501A (en) * | 2003-12-22 | 2007-02-05 | 이 아이 듀폰 디 네모아 앤드 캄파니 | Multi-layered seal structure |
CN2674209Y (en) * | 2003-12-24 | 2005-01-26 | 天津渤海化工有限责任公司天津碱厂 | Cylinder sealing packing device for compressor |
GB2417298B (en) * | 2004-08-21 | 2008-12-24 | Alstom Technology Ltd | Sealing arrangement |
US20070172367A1 (en) * | 2006-01-26 | 2007-07-26 | Janocko David J | Flow restricting devices in pumps |
US8356972B2 (en) * | 2008-12-10 | 2013-01-22 | Westinghouse Electric Company Llc | Thermally activated shutdown seals for rotatable shafts |
JP2010265995A (en) * | 2009-05-15 | 2010-11-25 | Nok Corp | Sealing device |
US8690534B1 (en) * | 2009-06-08 | 2014-04-08 | Curtiss-Wright Electro-Mechanical Corporation | Backup seals in rotary pumps |
FR2986300B1 (en) * | 2012-02-01 | 2014-03-07 | Jeumont Systemes De Pompes Et De Mecanismes | PASSIVE STOP SEALING DEVICE FOR SHAFT JOINT SYSTEM OF PRIMARY MOTOR PUMP GROUP |
US9206812B2 (en) * | 2013-03-13 | 2015-12-08 | Westinghouse Electric Company Llc | Pump seal with thermal retracting actuator |
US9206791B2 (en) * | 2013-03-13 | 2015-12-08 | Westinghouse Electric Company Llc | Pump seal with thermal retracting actuator |
US9217441B2 (en) * | 2013-08-20 | 2015-12-22 | Westinghouse Electric Company Llc | Pump seal with thermal retracting actuator |
-
2012
- 2012-06-25 FR FR1256005A patent/FR2992392B1/en not_active Expired - Fee Related
-
2013
- 2013-06-25 CN CN201380033642.5A patent/CN104620027A/en active Pending
- 2013-06-25 JP JP2015517834A patent/JP2015528896A/en active Pending
- 2013-06-25 US US14/409,836 patent/US20150192142A1/en not_active Abandoned
- 2013-06-25 KR KR20157001350A patent/KR20150032300A/en not_active Application Discontinuation
- 2013-06-25 BR BR112014032566A patent/BR112014032566A2/en not_active IP Right Cessation
- 2013-06-25 WO PCT/FR2013/051473 patent/WO2014001702A1/en active Application Filing
- 2013-06-25 RU RU2015102015A patent/RU2015102015A/en not_active Application Discontinuation
- 2013-06-25 CA CA2877212A patent/CA2877212A1/en not_active Abandoned
- 2013-06-25 EP EP13744618.3A patent/EP2864676A1/en not_active Withdrawn
-
2014
- 2014-12-23 ZA ZA2014/09510A patent/ZA201409510B/en unknown
- 2014-12-30 IN IN11210DEN2014 patent/IN2014DN11210A/en unknown
Also Published As
Publication number | Publication date |
---|---|
ZA201409510B (en) | 2016-09-28 |
FR2992392B1 (en) | 2014-07-11 |
WO2014001702A1 (en) | 2014-01-03 |
US20150192142A1 (en) | 2015-07-09 |
JP2015528896A (en) | 2015-10-01 |
CA2877212A1 (en) | 2014-01-03 |
KR20150032300A (en) | 2015-03-25 |
BR112014032566A2 (en) | 2017-06-27 |
CN104620027A (en) | 2015-05-13 |
FR2992392A1 (en) | 2013-12-27 |
IN2014DN11210A (en) | 2015-10-02 |
EP2864676A1 (en) | 2015-04-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FA94 | Acknowledgement of application withdrawn (non-payment of fees) |
Effective date: 20180409 |