ZA846782B - Controlling seal systems in rotary regenerative air pre-heaters - Google Patents

Controlling seal systems in rotary regenerative air pre-heaters

Info

Publication number
ZA846782B
ZA846782B ZA846782A ZA846782A ZA846782B ZA 846782 B ZA846782 B ZA 846782B ZA 846782 A ZA846782 A ZA 846782A ZA 846782 A ZA846782 A ZA 846782A ZA 846782 B ZA846782 B ZA 846782B
Authority
ZA
South Africa
Prior art keywords
heaters
regenerative air
air pre
rotary regenerative
seal systems
Prior art date
Application number
ZA846782A
Other languages
English (en)
Inventor
Stanley Gibson
Colin Tindall
Original Assignee
Davidson & Co 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 Davidson & Co Ltd filed Critical Davidson & Co Ltd
Publication of ZA846782B publication Critical patent/ZA846782B/xx

Links

Classifications

    • 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
    • F16J15/3436—Pressing means
    • F16J15/346—Pressing means the pressing force varying during operation
    • 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
    • F16J15/3436—Pressing means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D17/00—Regenerative heat-exchange apparatus in which a stationary intermediate heat-transfer medium or body is contacted successively by each heat-exchange medium, e.g. using granular particles
    • F28D17/02—Regenerative heat-exchange apparatus in which a stationary intermediate heat-transfer medium or body is contacted successively by each heat-exchange medium, e.g. using granular particles using rigid bodies, e.g. of porous material
    • F28D17/023—Sealing means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D19/00—Regenerative heat-exchange apparatus in which the intermediate heat-transfer medium or body is moved successively into contact with each heat-exchange medium
    • F28D19/04—Regenerative heat-exchange apparatus in which the intermediate heat-transfer medium or body is moved successively into contact with each heat-exchange medium using rigid bodies, e.g. mounted on a movable carrier
    • F28D19/047—Sealing means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/14—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring distance or clearance between spaced objects or spaced apertures
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2203/00—Devices or apparatus used for air treatment
    • F24F2203/10—Rotary wheel
    • F24F2203/1004—Bearings or driving means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2203/00—Devices or apparatus used for air treatment
    • F24F2203/10—Rotary wheel
    • F24F2203/1012—Details of the casing or cover
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2203/00—Devices or apparatus used for air treatment
    • F24F2203/10—Rotary wheel
    • F24F2203/104—Heat exchanger wheel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2203/00—Devices or apparatus used for air treatment
    • F24F2203/10—Rotary wheel
    • F24F2203/1068—Rotary wheel comprising one rotor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2203/00—Devices or apparatus used for air treatment
    • F24F2203/10—Rotary wheel
    • F24F2203/1084—Rotary wheel comprising two flow rotor segments
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2203/00—Devices or apparatus used for air treatment
    • F24F2203/10—Rotary wheel
    • F24F2203/1096—Rotary wheel comprising sealing means
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S165/00—Heat exchange
    • Y10S165/009—Heat exchange having a solid heat storage mass for absorbing heat from one fluid and releasing it to another, i.e. regenerator
    • Y10S165/013—Movable heat storage mass with enclosure
    • Y10S165/016—Rotary storage mass
    • Y10S165/02—Seal and seal-engaging surface are relatively movable
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S165/00—Heat exchange
    • Y10S165/009—Heat exchange having a solid heat storage mass for absorbing heat from one fluid and releasing it to another, i.e. regenerator
    • Y10S165/037—Heat exchange having a solid heat storage mass for absorbing heat from one fluid and releasing it to another, i.e. regenerator having flow diverting means, e.g. valve to selectively control flow through storage mass
    • Y10S165/041—Rotary diverting means

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Air Supply (AREA)
  • Manufacture Of Motors, Generators (AREA)
  • General Induction Heating (AREA)
ZA846782A 1983-09-23 1984-08-30 Controlling seal systems in rotary regenerative air pre-heaters ZA846782B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB838325512A GB8325512D0 (en) 1983-09-23 1983-09-23 Controlling seal systems

Publications (1)

Publication Number Publication Date
ZA846782B true ZA846782B (en) 1985-04-24

Family

ID=10549207

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA846782A ZA846782B (en) 1983-09-23 1984-08-30 Controlling seal systems in rotary regenerative air pre-heaters

Country Status (8)

Country Link
US (2) US4610297A (de)
EP (2) EP0222463B1 (de)
JP (1) JPS6093293A (de)
AU (1) AU566293B2 (de)
DE (1) DE3470947D1 (de)
GB (1) GB8325512D0 (de)
IN (1) IN162727B (de)
ZA (1) ZA846782B (de)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07101134B2 (ja) * 1988-02-02 1995-11-01 株式会社東芝 蓄熱材料および低温蓄熱器
US5038849A (en) * 1989-10-24 1991-08-13 Damper Design, Inc. Sealing of air heaters by deforming sector plates
US5063993A (en) * 1990-10-22 1991-11-12 The Babcock & Wilcox Company Air heater with automatic sealing
US5029632A (en) * 1990-10-22 1991-07-09 The Babcock & Wilcox Company Air heater with automatic sealing
SE517213C2 (sv) * 1996-08-15 2002-05-07 Air Preheater Abb Anordning vid en regenerativ, roterande värmväxlare
US5845700A (en) * 1996-10-31 1998-12-08 Ljungstrom Technology Ab Rotary regenerative heat exchanger
FR2774464B1 (fr) * 1998-02-02 2000-04-07 Gec Alsthom Stein Ind Systeme de reduction des fuites radiales dans un rechauffeur d'air regeneratif pour equipement thermique
FI110817B (fi) * 2000-02-01 2003-03-31 Waertsilae Tech Oy Ab Lämmöntalteenottolaitteisto ja menetelmä likaantumisen minimoimiseksi lämmöntalteenottolaitteistossa
US6227150B1 (en) * 2000-04-03 2001-05-08 Abb Air Preheater, Inc. Load based control system for active leakage control in air preheater
US6261092B1 (en) 2000-05-17 2001-07-17 Megtec Systems, Inc. Switching valve
US6749815B2 (en) 2001-05-04 2004-06-15 Megtec Systems, Inc. Switching valve seal
US7325562B2 (en) 2002-05-07 2008-02-05 Meggec Systems, Inc. Heated seal air for valve and regenerative thermal oxidizer containing same
US6669472B1 (en) 2002-08-28 2003-12-30 Megtec Systems, Inc. Dual lift system
US7150446B1 (en) 2002-08-28 2006-12-19 Megtec Systems, Inc. Dual lift system
GB2400646B (en) * 2003-04-15 2005-05-25 Howden Power Ltd Ljungstrom heat exchanger and method of controlling the gap between the rotor and the hot end sector plate
CN101957166B (zh) * 2010-08-27 2012-07-04 徐州燃控科技股份有限公司 长距离高温间隙测量探头
CN113883949B (zh) * 2021-10-25 2023-06-06 河北西柏坡第二发电有限责任公司 一种回转式空预器自调密封装置
CN120720973B (zh) * 2025-08-29 2025-10-31 江苏威宝仕智能科技有限公司 一种间隙检测装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3232335A (en) * 1962-03-21 1966-02-01 Svenska Rotor Maskiner Ab Rotary regenerative preheater
GB1391261A (en) * 1971-06-11 1975-04-16 Rolls Royce Apparatus for measuring the clearance between a rotor and a surrounding stator of a rotary machine
JPS5437710B2 (de) * 1974-09-30 1979-11-16
GB1559679A (en) * 1975-11-04 1980-01-23 Davidson & Co Ltd Regenerative air preheaters and seal frame suspension control system therefor
US4301858A (en) * 1979-08-29 1981-11-24 Svenska Rotor Maskiner Ab Adjusting means of rotary regenerative sector plate heat exchangers
US4306612A (en) * 1979-11-09 1981-12-22 The Air Preheater Company, Inc. Fiber optic sensing device
GB2091003B (en) * 1980-11-24 1984-11-21 Davidson & Co Ltd Magnetic seal system

Also Published As

Publication number Publication date
JPS6093293A (ja) 1985-05-25
US4610297A (en) 1986-09-09
DE3470947D1 (en) 1988-06-09
US4760875A (en) 1988-08-02
EP0137670A3 (en) 1985-08-21
GB8325512D0 (en) 1983-10-26
EP0222463B1 (de) 1989-01-25
AU566293B2 (en) 1987-10-15
AU3269384A (en) 1985-03-28
IN162727B (de) 1988-07-02
EP0137670B1 (de) 1988-05-04
EP0222463A1 (de) 1987-05-20
EP0137670A2 (de) 1985-04-17

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