CA2337925C - Seal assemblies - Google Patents

Seal assemblies Download PDF

Info

Publication number
CA2337925C
CA2337925C CA002337925A CA2337925A CA2337925C CA 2337925 C CA2337925 C CA 2337925C CA 002337925 A CA002337925 A CA 002337925A CA 2337925 A CA2337925 A CA 2337925A CA 2337925 C CA2337925 C CA 2337925C
Authority
CA
Canada
Prior art keywords
pressure
reservoir
seal
gas
seal assembly
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
CA002337925A
Other languages
English (en)
French (fr)
Other versions
CA2337925A1 (en
Inventor
Leonard Arthur Hall
Wayne Darren Read
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
John Crane UK Ltd
Original Assignee
John Crane UK Ltd
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 John Crane UK Ltd filed Critical John Crane UK Ltd
Publication of CA2337925A1 publication Critical patent/CA2337925A1/en
Application granted granted Critical
Publication of CA2337925C publication Critical patent/CA2337925C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • F04D29/12—Shaft sealings using sealing-rings
    • F04D29/122—Shaft sealings using sealing-rings especially adapted for elastic fluid pumps
    • F04D29/124—Shaft sealings using sealing-rings especially adapted for elastic fluid pumps with special means for adducting cooling or sealing fluid
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
    • F01D11/02—Preventing or minimising internal leakage of working-fluid, e.g. between stages by non-contact sealings, e.g. of labyrinth type
    • F01D11/04—Preventing or minimising internal leakage of working-fluid, e.g. between stages by non-contact sealings, e.g. of labyrinth type using sealing fluid, e.g. steam
    • F01D11/06—Control thereof
    • 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
    • F16J15/002—Sealings comprising at least two sealings in succession
    • F16J15/004—Sealings comprising at least two sealings in succession forming of recuperation chamber for the 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
    • F16J15/34—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member
    • F16J15/3404—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member and characterised by parts or details relating to lubrication, cooling or venting of the seal
    • 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
    • F16J15/40—Sealings between relatively-moving surfaces by means of fluid

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sealing Devices (AREA)
  • Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
  • Mechanical Sealing (AREA)
  • Gas-Insulated Switchgears (AREA)
  • Compressor (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
CA002337925A 2000-02-24 2001-02-23 Seal assemblies Expired - Lifetime CA2337925C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0004239.0 2000-02-24
GBGB0004239.0A GB0004239D0 (en) 2000-02-24 2000-02-24 Seal assemblies

Publications (2)

Publication Number Publication Date
CA2337925A1 CA2337925A1 (en) 2001-08-24
CA2337925C true CA2337925C (en) 2009-05-26

Family

ID=9886226

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002337925A Expired - Lifetime CA2337925C (en) 2000-02-24 2001-02-23 Seal assemblies

Country Status (8)

Country Link
US (1) US6708981B2 (enExample)
EP (1) EP1128101B1 (enExample)
JP (1) JP2001289192A (enExample)
CA (1) CA2337925C (enExample)
DE (1) DE60113894T2 (enExample)
GB (1) GB0004239D0 (enExample)
NO (1) NO331069B1 (enExample)
RU (1) RU2285173C2 (enExample)

Families Citing this family (31)

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EP1350997B1 (en) * 2002-04-05 2014-10-01 Ebara Corporation Method for operating a seal device
JP4218756B2 (ja) * 2003-10-17 2009-02-04 株式会社荏原製作所 真空排気装置
GB0402887D0 (en) * 2004-02-10 2004-03-17 Aesseal Plc Applications for controlling liquid flow through a seal when using a forced circulation barrier fluid suppport system
EP1712816A1 (de) * 2005-04-14 2006-10-18 Siemens Aktiengesellschaft Dichtungssystem zur Abdichtung eines Prozessgasraumes gegen einen Dichtraum
NO325900B1 (no) * 2005-10-07 2008-08-11 Aker Subsea As Anordning og fremgangsmåte for regulering av tilførsel av barrieregass til en kompressormodul
JP4857766B2 (ja) * 2005-12-28 2012-01-18 株式会社日立プラントテクノロジー 遠心圧縮機およびそれに用いるドライガスシールシステム
US7544039B1 (en) 2006-06-14 2009-06-09 Florida Turbine Technologies, Inc. Dual spool shaft with intershaft seal
US8511219B2 (en) * 2007-03-28 2013-08-20 Clyde Union Inc. Zero emissions reciprocating pump
US7784395B2 (en) * 2007-03-28 2010-08-31 Clyde Union Inc. Zero emissions reciprocating pump
EP2006584A1 (de) * 2007-06-21 2008-12-24 Siemens Aktiengesellschaft Puffereinrichtung zum Abführen von Leckagegas zu einem Entsorgungssystem und Sperrgassystem
US20110209786A1 (en) * 2008-11-12 2011-09-01 Rasmussen Peter C Vessel Compressor Methods and Systems
SG172127A1 (en) * 2008-12-15 2011-07-28 Flowserve Man Co Seal leakage gas recovery system
US8061984B2 (en) 2009-04-06 2011-11-22 Dresser-Rand Company Dry gas blow down seal
JP2011052620A (ja) * 2009-09-03 2011-03-17 Mitsubishi Heavy Industries Compressor Corp ドライガスシールからのリークガス回収装置
JP5548094B2 (ja) * 2010-10-21 2014-07-16 株式会社神戸製鋼所 圧縮機
JP5231611B2 (ja) * 2010-10-22 2013-07-10 株式会社神戸製鋼所 圧縮機
AU2010366070A1 (en) * 2010-12-02 2013-06-27 Abb Oy Seal arrangement for a propeller shaft and method for sealing a propeller shaft
US20130064638A1 (en) * 2011-09-08 2013-03-14 Moorthi Subramaniyan Boundary Layer Blowing Using Steam Seal Leakage Flow
ITCO20110057A1 (it) * 2011-12-05 2013-06-06 Nuovo Pignone Spa Tenuta a gas secco per buffer ad alta pressione di pompa per co2 supercritico
EP2838789B1 (en) * 2012-04-17 2016-05-18 Wärtsilä Finland Oy An arrangement for sealing a propeller shaft of a marine vessel and a method of controlling the operation thereof
BR112014031692A2 (pt) 2012-06-18 2017-10-31 Flowserve Man Co intensificador para um sistema de fornecimento de gás de uma vedação mecânica.
GB2517132B (en) * 2013-06-12 2015-11-11 Aes Eng Ltd Barrier System for Mechanical Seal
CA2962897C (en) 2014-09-29 2019-08-06 New Way Machine Components, Inc. Porous media ventless seal
CN104806559B (zh) * 2015-04-08 2017-10-03 中国神华能源股份有限公司 压缩机密封气的供应装置、气液分离系统及密封方法
CN106286215A (zh) * 2016-08-31 2017-01-04 内蒙古汇能煤化工有限公司 甲烷化压缩机干气密封系统
US10563663B2 (en) 2018-04-06 2020-02-18 Solar Turbines Incorporated Nitrogen purge of compressor dry seal
DE102018123728A1 (de) * 2018-09-26 2020-03-26 Man Energy Solutions Se Versorgungssystem eines Dichtungssystems einer Strömungsmaschine und Strömungsmaschine mit einem Dichtungs- und Versorgungssystem
CN109989830A (zh) * 2019-05-23 2019-07-09 中国船舶重工集团公司第七0三研究所 减少燃气轮机滑油泄漏的空气增压系统
CA3210277A1 (en) * 2021-03-05 2022-09-09 Sergio CIPRIANI Seal leak gas recovery system using an ejector and method
US12435716B2 (en) * 2022-05-09 2025-10-07 Hoerbiger Wien Gmbh Pressure packing for a reciprocating piston compressor with buffer gas barrier
CN115095513B (zh) * 2022-07-28 2025-04-11 重庆江增船舶重工有限公司 一种超临界二氧化碳压缩机干气密封压力控制系统及方法

Family Cites Families (33)

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Publication number Priority date Publication date Assignee Title
US2485447A (en) * 1940-09-23 1949-10-18 Escher Wyss Maschf Ag Sealing arrangement for the shafts of turbomachines of thermal power plants in which the greater part of a gaseous medium continuously describes a closed cycle under pressure above atmospheric
CH464625A (de) * 1966-10-12 1968-10-31 Sulzer Ag Wellendichtung für ein Gebläse, insbesondere für das Umwälzgebläse einer gasgekühlten Kernreaktoranlage
US3604206A (en) 1968-07-31 1971-09-14 Gen Electric Shaft-sealing system for nuclear turbines
US3919854A (en) * 1973-03-14 1975-11-18 Technip Cie Gas sealing assembly
US4005580A (en) * 1975-06-12 1977-02-01 Swearingen Judson S Seal system and method
JPS52155406A (en) * 1976-06-21 1977-12-23 Agency Of Ind Science & Technol Sealed gas supplying method
JPS5439703U (enExample) * 1977-08-25 1979-03-16
US4193603A (en) * 1978-12-21 1980-03-18 Carrier Corporation Sealing system for a turbomachine
DE2909878C2 (de) * 1979-03-14 1982-12-23 Carl Schenck Ag, 6100 Darmstadt Vorrichtung zur Abführung des Leckflusses eines hydraulischen Lagermediums
DE3001364A1 (de) * 1980-01-16 1981-07-23 Wintershall Ag, 3100 Celle Verfahren und vorrichtung zur rueckfuehrung von leckgasen aus den stopfbuchsen zur kolbenstangenabdichtung von kolbenverdichtern
JPS56167791U (enExample) * 1980-05-16 1981-12-11
JPS56169490U (enExample) * 1980-05-20 1981-12-15
US4582327A (en) * 1982-09-30 1986-04-15 Swearingen Judson S Double fluid power recovery system and process therefor
US4579350A (en) * 1984-10-17 1986-04-01 Knox Gary W Packless stuffing box for polish rods
SU1273615A1 (ru) * 1985-06-25 1986-11-30 Предприятие П/Я В-2504 Устройство дл уплотнени гидравлических систем с бесконтактным уплотнением
JPS6224077U (enExample) * 1985-07-29 1987-02-13
SU1352127A1 (ru) * 1985-12-03 1987-11-15 Волгоградский сельскохозяйственный институт Уплотнительное устройство
US4722663A (en) * 1986-02-04 1988-02-02 Rotoflow Corporation Seal-off mechanism for rotating turbine shaft
SU1323809A1 (ru) * 1986-02-10 1987-07-15 Всесоюзный научно-исследовательский и конструкторско-технологический институт компрессорного машиностроения Кольцевое контактное уплотнение
US5249812A (en) * 1990-03-12 1993-10-05 John Crane Inc. Barrier seal systems
DE4216006C1 (enExample) 1992-05-12 1993-04-29 Mannesmann Ag, 4000 Duesseldorf, De
CH686525A5 (de) 1992-07-02 1996-04-15 Escher Wyss Ag Turbomaschine .
EP0577908B1 (en) * 1992-07-10 1995-09-06 Ansaldo Energia S.P.A. A process for sealing the rotor of a turbine which uses wet geothermal steam
JP2766875B2 (ja) * 1995-04-10 1998-06-18 日本ピラー工業株式会社 軸封システム装置
DE19523713C2 (de) * 1995-06-22 1997-04-24 Mannesmann Ag Verfahren und Vorrichtung zur Sicherung der Funktionstüchtigkeit von Gasdichtungen bei Turboverdichtern
AU1192897A (en) 1995-06-23 1997-01-22 Revolve Technologies Inc. Dry seal contamination prevention system
JPH0960734A (ja) * 1995-08-25 1997-03-04 Mitsubishi Heavy Ind Ltd ドライガスシールにおける漏洩ガスの回収装置
US5636847A (en) * 1995-09-13 1997-06-10 Chesterton International Company Dual face seal clean barrier fluid and dynamic pressure control system
GB2306672B (en) * 1995-11-01 2000-03-22 Framo Eng As Monitoring system for high pressure fluid flow connector
JPH10110831A (ja) * 1996-10-08 1998-04-28 Mitsubishi Heavy Ind Ltd 冷凍圧縮機用軸封装置
DE29704389U1 (de) * 1997-03-11 1997-05-07 Feodor Burgmann Dichtungswerke GmbH & Co, 82515 Wolfratshausen Leckagerückführanordnung bei einer Dichtungseinrichtung
CN1117217C (zh) * 1998-03-13 2003-08-06 株式会社日立制作所 离心压缩机以及其所用的轴封装置
EP1008759A1 (en) * 1998-12-10 2000-06-14 Dresser Rand S.A Gas compressor

Also Published As

Publication number Publication date
NO20010884D0 (no) 2001-02-21
RU2285173C2 (ru) 2006-10-10
DE60113894D1 (de) 2005-11-17
CA2337925A1 (en) 2001-08-24
EP1128101B1 (en) 2005-10-12
JP2001289192A (ja) 2001-10-19
DE60113894T2 (de) 2006-05-11
EP1128101A2 (en) 2001-08-29
NO20010884L (no) 2001-08-27
GB0004239D0 (en) 2000-04-12
NO331069B1 (no) 2011-09-26
US20010017445A1 (en) 2001-08-30
US6708981B2 (en) 2004-03-23
EP1128101A3 (en) 2003-07-02

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Legal Events

Date Code Title Description
EEER Examination request
MKEX Expiry

Effective date: 20210223