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특허 상세정보

Hot gas filtration system fail-safe and thermal regeneration device

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B01D-046/00   
미국특허분류(USC) 95/280 ; 55/267 ; 55/302 ; 55/486
출원번호 US-0232885 (1994-04-25)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 21  인용 특허 : 0
초록

A fail-safe back-up filter system for filtering particles from a flow of hot gas in a coal gasifier or the like in the event of a failure of the primary filter system. In the event of a break in one of the primary filter elements of the filtration system, the back-up filters, having a higher porosity than the primary filters, begin to collect particulate matter such that the particulates become embedded in the back-up filter. After a period of time, the back-up filters become clogged and prevent the flow of particle laden gas through the back-up filter a...

대표
청구항

A method of removing particulates from a flow of hot gas, comprising: passing said flow of hot gas through a plurality of primary filter elements, each said primary filter element having a membrane having a first porosity, wherein said particulates become collected as cake on said membrane; passing said flow of hot gas through a secondary filter element disposed downstream and adjacent to a corresponding one of said primary filter elements, said secondary filter element having a second porosity greater than said first porosity, wherein said secondary fil...

이 특허를 인용한 특허 피인용횟수: 21

  1. Custer Milton F. ; McVicker Kevin D.. Candle filter and method for making. USP1999095948257.
  2. VanOsdol,John. Fail save shut off valve for filtering systems employing candle filters. USP2006016981516.
  3. Alvin Mary Anne ; Lippert Thomas E. ; Bruck Gerald J. ; Smeltzer Eugene E.. Filter assembly for metallic and intermetallic tube filters. USP2001086273925.
  4. Lippert Thomas Edwin ; Alvin Mary Anne ; Bruck Gerald Joseph ; Smeltzer Eugene E.. Filter holder and gasket assembly for candle or tube filters. USP1999035876471.
  5. Mary Anne Alvin ; Gerald J. Bruck. Filter holder assembly having extended collar spacer ring. USP2002106468322.
  6. Gerald J. Bruck ; Mary Anne Alvin. Filter holder gasket assembly for enhanced securement of candle filters. USP2002086428593.
  7. Teay Jaw-Shiunn,TWX. Gas filtering device for a light gas tank. USP1999055904742.
  8. Musso Jose A. ; Janikowski Zbigniew M. ; Krause Waldemar H.,DEX. High temperature gas filter assembly. USP2001026183529.
  9. Lippert Thomas Edwin ; Palmer Kathryn Miles ; Bruck Gerald Joseph ; Alvin Mary Anne ; Smeltzer Eugene E. ; Bachovchin Dennis Michael. Hot gas filter and system assembly. USP1999085944859.
  10. Heidenreich, Steffen; Haag, Walter. Hot gas filtration system and process for regenerating said system. USP2017069669344.
  11. Koeberle,Paulo Goes. Industrial scale honeycomb type dust collector. USP2008017320717.
  12. Alvin, Mary Anne; Lippert, Thomas E.; Newby, Richard A.. Integral porous filter/fail-safe/regenerator/gas separation membrane module. USP2003076592641.
  13. Lippert Thomas E. ; Bruck Gerald J. ; Alvin Mary Anne. Interlocked fiber fail-safe regenerator device. USP2001116312490.
  14. Mary Anne Alvin ; Dennis M. Bachovchin ; Gerald J. Bruck. Metal-ceramic composite candle filters. USP2002066398837.
  15. McIlroy Robert A. ; Perna Mark A. ; Kneidel Kurt E. ; Kisik Andrew F.. Method and apparatus for filtering hot syngas. USP2000066077490.
  16. Takase, Soken; Koyama, Yoshinori; Shinada, Osamu; Kitagawa, Yuichiro; Takahira, Ryouji; Imagama, Kazunari. Method for regenerating filter and apparatus thereof. USP2011037896956.
  17. Mary Anne Alvin ; Gerald J. Bruck ; Eugene E. Smeltzer. Multipurpose single external seal filter assembly for metallic and ceramic tube filters with integral locking means. USP2002036361575.
  18. Bruck, Gerald J.. Pack heat treatment for material enhancement. USP2014088816259.
  19. Chiang Ta-Kuan ; Straub Douglas L. ; Dennis Richard A.. Rigid porous filter. USP2000056056796.
  20. Curtis C. Cowan ; George F. Leblanc. Sealing means for a multi-axis nozzle. USP2002036357672.
  21. Alvin Mary Anne ; Smeltzer Eugene E. ; Bruck Gerald J. ; Lippert Thomas E.. Tubular and honeycomb metal fail-safe regenerator devices. USP2001096290743.