ZA201409510B - Passive shutdown sealing device for a system of shaft seals of a primary motorised pump unit - Google Patents

Passive shutdown sealing device for a system of shaft seals of a primary motorised pump unit

Info

Publication number
ZA201409510B
ZA201409510B ZA2014/09510A ZA201409510A ZA201409510B ZA 201409510 B ZA201409510 B ZA 201409510B ZA 2014/09510 A ZA2014/09510 A ZA 2014/09510A ZA 201409510 A ZA201409510 A ZA 201409510A ZA 201409510 B ZA201409510 B ZA 201409510B
Authority
ZA
South Africa
Prior art keywords
primary
sealing device
pump unit
shaft seals
passive shutdown
Prior art date
Application number
ZA2014/09510A
Inventor
Philippart Olivier
Original Assignee
Areva Np
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Areva Np filed Critical Areva Np
Publication of ZA201409510B publication Critical patent/ZA201409510B/en

Links

Classifications

    • 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
    • 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)
ZA2014/09510A 2012-06-25 2014-12-23 Passive shutdown sealing device for a system of shaft seals of a primary motorised pump unit ZA201409510B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
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
ZA201409510B true ZA201409510B (en) 2016-09-28

Family

ID=46785670

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA2014/09510A ZA201409510B (en) 2012-06-25 2014-12-23 Passive shutdown sealing device for a system of shaft seals of a primary motorised pump unit

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Also Published As

Publication number Publication date
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
RU2015102015A (en) 2016-08-20
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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