HK1110646A1 - Switching valve seal - Google Patents

Switching valve seal

Info

Publication number
HK1110646A1
HK1110646A1 HK08100763A HK08100763A HK1110646A1 HK 1110646 A1 HK1110646 A1 HK 1110646A1 HK 08100763 A HK08100763 A HK 08100763A HK 08100763 A HK08100763 A HK 08100763A HK 1110646 A1 HK1110646 A1 HK 1110646A1
Authority
HK
Hong Kong
Prior art keywords
valve
seal
oxidizer
switching valve
switching
Prior art date
Application number
HK08100763A
Other languages
English (en)
Inventor
James T Cash
Original Assignee
Megtec Sys Inc
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 Megtec Sys Inc filed Critical Megtec Sys Inc
Publication of HK1110646A1 publication Critical patent/HK1110646A1/xx

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
    • F23G7/06—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
    • F23G7/061—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases with supplementary heating
    • F23G7/065—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases with supplementary heating using gaseous or liquid fuel
    • F23G7/066—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases with supplementary heating using gaseous or liquid fuel preheating the waste gas by the heat of the combustion, e.g. recuperation type incinerator
    • F23G7/068—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases with supplementary heating using gaseous or liquid fuel preheating the waste gas by the heat of the combustion, e.g. recuperation type incinerator using regenerative heat recovery means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
    • F23L15/00—Heating of air supplied for combustion
    • F23L15/02—Arrangements of regenerators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
    • F27D17/008—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases cleaning gases
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
    • F27D17/004—Systems for reclaiming waste heat
    • F27D2017/007—Systems for reclaiming waste heat including regenerators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D99/00—Subject matter not provided for in other groups of this subclass
    • F27D99/0001—Heating elements or systems
    • F27D99/0033—Heating elements or systems using burners
    • F27D2099/0046—Heating elements or systems using burners with incomplete combustion, e.g. reducing atmosphere
    • F27D2099/0048—Post- combustion
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E20/00—Combustion technologies with mitigation potential
    • Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/5544—Reversing valves - regenerative furnace type
    • Y10T137/5689—Rotary reversing valve

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Multiple-Way Valves (AREA)
  • Sliding Valves (AREA)
  • Separation By Low-Temperature Treatments (AREA)
  • Fluid-Driven Valves (AREA)
  • Seal Device For Vehicle (AREA)
  • Glass Compositions (AREA)
  • Mechanically-Actuated Valves (AREA)
  • Massaging Devices (AREA)
  • Vehicle Body Suspensions (AREA)
  • Air Supply (AREA)
  • Lift Valve (AREA)
  • Taps Or Cocks (AREA)
HK08100763A 2001-05-04 2008-01-21 Switching valve seal HK1110646A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/849,785 US6749815B2 (en) 2001-05-04 2001-05-04 Switching valve seal

Publications (1)

Publication Number Publication Date
HK1110646A1 true HK1110646A1 (en) 2008-07-18

Family

ID=25306519

Family Applications (1)

Application Number Title Priority Date Filing Date
HK08100763A HK1110646A1 (en) 2001-05-04 2008-01-21 Switching valve seal

Country Status (17)

Country Link
US (2) US6749815B2 (no)
EP (2) EP1780467B1 (no)
JP (1) JP4150596B2 (no)
KR (1) KR100846412B1 (no)
CN (2) CN101004269B (no)
AT (2) ATE407330T1 (no)
AU (1) AU2002255899B2 (no)
CA (1) CA2444636C (no)
CZ (1) CZ20033281A3 (no)
DE (2) DE60235657D1 (no)
ES (2) ES2312566T3 (no)
HK (1) HK1110646A1 (no)
MX (1) MXPA03009976A (no)
NO (2) NO329196B1 (no)
PL (1) PL200788B1 (no)
RU (1) RU2285880C2 (no)
WO (1) WO2002090830A1 (no)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1138630A3 (en) * 1996-11-12 2003-04-02 Ammonia Casale S.A. Seal for use in reforming apparatus
US7033544B2 (en) * 2000-12-13 2006-04-25 Megtec Systems, Inc. Determination of supplemental fuel requirement and instantaneous control thereof involving regenerative thermal oxidation
US20110061576A1 (en) 2009-09-14 2011-03-17 Richard Greco Four-way valve
JP2011241579A (ja) * 2010-05-17 2011-12-01 Taiko Corp 推進工法で用いる送泥管および排泥管のバイパス弁、掘進機
US9067168B2 (en) 2010-05-28 2015-06-30 Exxonmobil Upstream Research Company Integrated adsorber head and valve design and swing adsorption methods related thereto
WO2011149635A1 (en) 2010-05-28 2011-12-01 Exxonmobil Chemical Patents Inc. Reactor with reactor head and integrated valve
WO2012118757A1 (en) 2011-03-01 2012-09-07 Exxonmobil Upstream Research Company Apparatus and systems having a reciprocating valve head assembly and swing adsorption processes related thereto
KR101107920B1 (ko) * 2011-04-06 2012-01-25 신호스틸(주) 중량물 적재대
US10704511B2 (en) 2016-08-15 2020-07-07 Denso International America, Inc. Clamped joint device
ES2696983A1 (es) * 2017-07-21 2019-01-21 Proying Xxi Ingenieria S L U Instalación para la reducción de residuos procedentes de los humos o gases de secado de residuos vegetales, y procedimiento llevado a cabo por dicha instalación.
DE102018121199A1 (de) * 2018-08-30 2020-03-05 Ostfalia Hochschule Für Angewandte Wissenschaften - Hochschule Braunschweig/Wolfenbüttel Regenerator mit einem intermittierend rotierenden Strömungsschieber
CN112761468B (zh) * 2020-12-30 2022-02-22 重庆工程职业技术学院 一种财务防盗保险柜

Family Cites Families (68)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US44090A (en) * 1864-09-06 Improvement in dies for heading screw-blanks
US2219994A (en) 1937-09-24 1940-10-29 Bbc Brown Boveri & Cie Gas turbine plant and regulating system therefor
US2898202A (en) 1955-10-24 1959-08-04 Oxy Catalyst Inc Gas treating apparatus
US2946651A (en) 1956-08-09 1960-07-26 Oxy Catalyst Inc Catalytic treatment of gas streams
US2960245A (en) * 1958-01-06 1960-11-15 Knapp Hans John Material handling valve
US3985150A (en) * 1975-06-03 1976-10-12 Kamyr Valves, Inc. Ball valve for valving abrasive fluids
US4040475A (en) * 1976-07-12 1977-08-09 The Air Preheater Company, Inc. Axially movable sector plate support for rotary regenerative heat exchanger
US4256171A (en) 1979-02-05 1981-03-17 General Motors Corporation Regenerator seal hub gas passages
US4372338A (en) * 1980-07-22 1983-02-08 Dresser Industries, Inc. High pressure valve assembly
SE445776B (sv) 1981-09-09 1986-07-14 Svenska Rotor Maskiner Ab Regenerativ vermevexlare omfattande en rotor med sektorformade rum innehallande regeneratormaterial
DE3140406C2 (de) 1981-10-12 1985-03-07 Apparatebau Rothemühle Brandt + Kritzler GmbH, 5963 Wenden Regenerativ-Wärmeaustauscher zur getrennten Aufwärmung zweier parallel geführter Ströme eines wärmeaufnehmenden Mediums durch ein wärmeabgebendes Medium
US4454826A (en) 1982-06-23 1984-06-19 Regenerative Environmental Equipment Co., Inc. Vertical flow incinerator having regenerative heat exchange
JPS59157486A (ja) 1983-02-28 1984-09-06 Baanaa Internatl:Kk 回転式熱交換器
GB2136553B (en) 1983-03-11 1986-02-12 British Gas Corp Burner
DE3312784A1 (de) 1983-04-09 1984-10-11 Saarbergwerke AG, 6600 Saarbrücken Regeneratives waermeuebertragungssystem
GB8325512D0 (en) 1983-09-23 1983-10-26 Davidson & Co Ltd Controlling seal systems
SE441623B (sv) 1984-06-21 1985-10-21 Heed Bjoern Forfarande och anordning for forbrenning och/eller sonderdelning av fororeningar
DE3426662A1 (de) 1984-07-19 1986-01-23 Linde Ag, 6200 Wiesbaden Regeneratoreinheit und verfahren zum betreiben derselben
US4658853A (en) 1985-01-09 1987-04-21 Regenerative Environmental Equipment Co., Inc. Anti-leak valving system
DE3508553A1 (de) 1985-03-11 1986-09-11 Hüls AG, 4370 Marl Verfahren und vorrichtung zum katalytischen umsetzen von gasen
CN1003187B (zh) * 1985-06-05 1989-02-01 巴尔克德股份公司 蓄热式换热器
GB2206682A (en) 1987-07-02 1989-01-11 Howden James & Co Ltd A rotary regenerative heat exchanger
GR1000258B (el) 1988-05-03 1992-05-12 Leonidas Dounis Καυστηρας αεριων.
DK161037C (da) 1988-10-17 1991-10-28 Haldor Topsoe As Fremgangsmaade og anlaeg til kontinuerligt at rense en oxygenholdig gas for braendbare forureninger
DE4142136C2 (de) 1991-12-20 1994-07-21 Eisenmann Kg Maschbau Vorrichtung zum Reiniguen schadstoffhaltiger Abluft aus Industrieanlagen durch regenerative Nachverbrennung
IT1259150B (it) 1992-09-07 1996-03-11 Orv Spa Termodistruttore perfezionato
DE4301748C2 (de) 1993-01-23 1995-07-27 Ltg Lufttechnische Gmbh Regenerativ-Reaktor
US5376340A (en) 1993-04-15 1994-12-27 Abb Air Preheater, Inc. Regenerative thermal oxidizer
SE501211C2 (sv) 1993-06-21 1994-12-12 Svenska Rotor Maskiner Ab Anordning för att upprätthålla och kontrollera spelrummet mellan sektorplåtarna och generatormassan i en roterande, regenerativ värmeväxlare
DE69418610D1 (de) 1993-07-02 1999-06-24 Berndt Lindstroem Regenerativ-wärmetauscher
US5375622A (en) * 1993-12-07 1994-12-27 Houston; Reagan Multiport valve including leakage control system, particularly for a thermal regenerative fume incinerator
DE4344700C2 (de) 1993-12-27 1999-01-28 Eisenmann Kg Maschbau Vorrichtung zum Reinigen schadstoffhaltiger Abluft aus Industrieanlagen durch regenerative Nachverbrennung
US6000929A (en) 1994-03-11 1999-12-14 Daikin Industries, Ltd. Rotary distribution valve, and regenerative combustion apparatus and regenerative heat exchanger using same
US5538693A (en) 1994-08-04 1996-07-23 Tellkamp Systems, Inc. Varying switching temperature set-point method for bed flow reversal for regenerative incinerator systems
EP0702195A3 (en) 1994-08-17 1997-05-14 Grace W R & Co Annular air distributor for thermal oxidation system with heat regeneration
US5562442A (en) 1994-12-27 1996-10-08 Eisenmann Corporation Regenerative thermal oxidizer
US5540584A (en) 1995-02-03 1996-07-30 Cycle-Therm Valve cam actuation system for regenerative thermal oxidizer
SE504008C2 (sv) 1995-02-10 1996-10-14 Ljungstroem Technology Ab Roterande, regenerativ värmeväxlare där spelrummet mellan sektorplåt och rotor upprätthålls med hjälp av en gaskudde, samt sätt att driva en sådan värmeväxlare
SE503962C2 (sv) 1995-02-10 1996-10-07 Ljungstroem Technology Ab Regenerativ värmeväxlare och ett sätt att driva en regenerativ värmeväxlare
SE504019C2 (sv) 1995-02-24 1996-10-21 Ljungstroem Technology Ab Roterande regenerativ värmeväxlare och sätt att styra en sådan värmeväxlare
SE9500979L (sv) 1995-03-20 1996-09-09 Berndt Lindstroem Anordning vid en regenerativ värmeväxlare med luftkuddestyrda sektorplåtar
CA2238096C (en) 1995-12-08 2008-02-12 Megtec Systems Ab A method and a device for recovery of energy from media containing combustible substances even at low concentration
US5529758A (en) * 1995-05-15 1996-06-25 Houston; Reagan Three-bed rotary valve and fume incineration system
US5503551A (en) 1995-06-05 1996-04-02 Houston; Reagan Rotary valve for fume incinerator
SE504462C2 (sv) 1995-06-08 1997-02-17 Ljungstroem Technology Ab Regenerativ, roterande värmeväxlare med styrning som förhindrar vridning av släpsko
US5915339A (en) * 1995-06-29 1999-06-29 Abb Air Preheater Inc. Sector plate and seal arrangement for trisector air preheater
SE506021C2 (sv) 1995-08-17 1997-11-03 Svenska Rotor Maskiner Ab Regenerativ, roterande värmeväxlare
US5634625A (en) 1996-01-01 1997-06-03 Rose Controls Corporation Valve closure system
US5700433A (en) 1996-02-21 1997-12-23 Eisenmann Corporation Rotary valve for regenerative thermal oxidizer
US5888063A (en) 1996-03-07 1999-03-30 Scott; Gregory J. Method and apparatus for quick purging a multiple bed regenerative fume incinerator
US5833938A (en) 1996-05-20 1998-11-10 Megtec Systems, Inc. Integrated VOC entrapment system for regenerative oxidation
US5692892A (en) 1996-06-12 1997-12-02 Houston; Reagan Continuous flow rotary valve for regenerative fume incinerators
SE517212C2 (sv) 1996-08-15 2002-05-07 Air Preheater Abb Sätt och anordning för att avkänna ett spel
SE517213C2 (sv) 1996-08-15 2002-05-07 Air Preheater Abb Anordning vid en regenerativ, roterande värmväxlare
US5692893A (en) 1996-08-16 1997-12-02 Houston; Reagan Rotary valve for 2-bed regenerative fume incinerator
AU4029097A (en) 1996-08-20 1998-03-26 Smith Engineering Company Pre-heating of process stream for thermal oxidizers
DE19637090C1 (de) 1996-09-12 1997-12-18 Duerr Systems Gmbh Industrielle Abluftreinigungsanlage
DE19643821C1 (de) 1996-10-30 1998-01-15 Schedler Johannes Anlage zur Reinigung von Gasen
US5871347A (en) 1997-04-01 1999-02-16 Engelhard Corporation Rotary regenerative oxidizer
GB9707948D0 (en) 1997-04-19 1997-06-11 Interotex Limited Rotary heat and/or mass transfer arrangements
DE19716877C1 (de) 1997-04-22 1998-12-10 Schedler Johannes Verfahren zur adsorptiven Abgasreinigung
TW387805B (en) * 1997-05-12 2000-04-21 Taiho Ind Co A fingerprint indicator and the method of detection
DE19738678B4 (de) 1997-09-04 2004-08-26 Ltg Lufttechnische Gmbh Regenerativ-Reaktor
US5871349A (en) 1997-10-16 1999-02-16 Smith Engineering Company Rotary valve thermal oxidizer
DE19747905C1 (de) 1997-10-30 1999-01-28 Chemisch Thermische Prozestech Vorrichtung zur Reinigung von schadstoffhaltigem Abgas
US6039927A (en) 1997-11-04 2000-03-21 Greco; Richard Valve system for regenerative thermal oxidizers
US6203316B1 (en) * 1999-11-12 2001-03-20 Regenerative Environmental Equipment Co., Inc. (Reeco, Inc.) Continuous on-line smokeless bake-out process for a rotary oxidizer
US6261092B1 (en) 2000-05-17 2001-07-17 Megtec Systems, Inc. Switching valve

Also Published As

Publication number Publication date
NO20034889D0 (no) 2003-11-03
ES2312566T3 (es) 2009-03-01
AU2002255899B2 (en) 2006-11-09
PL367309A1 (en) 2005-02-21
ES2342838T3 (es) 2010-07-15
EP1386112A4 (en) 2004-09-22
NO20034889L (no) 2004-01-05
CN101004269B (zh) 2010-05-19
CN101004269A (zh) 2007-07-25
EP1386112A1 (en) 2004-02-04
ATE460626T1 (de) 2010-03-15
CA2444636C (en) 2010-05-25
ATE407330T1 (de) 2008-09-15
EP1780467A3 (en) 2008-07-16
EP1386112B1 (en) 2008-09-03
NO329808B1 (no) 2010-12-20
EP1780467B1 (en) 2010-03-10
CN100408919C (zh) 2008-08-06
EP1780467A2 (en) 2007-05-02
CZ20033281A3 (cs) 2004-05-12
RU2003135203A (ru) 2005-04-27
NO20100732L (no) 2004-01-05
CA2444636A1 (en) 2002-11-14
JP4150596B2 (ja) 2008-09-17
KR20040005941A (ko) 2004-01-16
US6749815B2 (en) 2004-06-15
NO329196B1 (no) 2010-09-13
US20020164276A1 (en) 2002-11-07
JP2004532960A (ja) 2004-10-28
PL200788B1 (pl) 2009-02-27
DE60235657D1 (de) 2010-04-22
US20040131987A1 (en) 2004-07-08
DE60228700D1 (de) 2008-10-16
WO2002090830A1 (en) 2002-11-14
CN1628227A (zh) 2005-06-15
US6899121B2 (en) 2005-05-31
KR100846412B1 (ko) 2008-07-16
MXPA03009976A (es) 2004-02-12
RU2285880C2 (ru) 2006-10-20

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Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20140311