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특허 상세정보

MyON담기
내보내기 페이스북 공유 카카오톡 공유

Thickener control system

특허상세정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B01D-021/01    B01D-021/06   
미국특허분류(USC) 210/723 ; 210/104 ; 210/738 ; 210/740
출원번호 US-0973758 (1978-12-27)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 45  인용 특허 : 2
초록
▼

The present invention is directed to a method and apparatus for maintaining steady state conditions in a separator. Steady state is maintained by controlling mass flow rates of influent to, and underflow from the separator. Specifically, an influent specific gravity and flow rate signals are monitored by an influent mass flow controller. That controller responds to variation in these signals to maintain a constant mass feed rate into the separator. A mass flow signal, comprising a composite of influent specific gravity and influent mass flow signals, is ...

대표
청구항
▼

A method for controlling a liquid-solid separation process in which an interface is formed so that substantially steady state operation is maintained comprising steps for: (a) feeding a contaminated liquid-solid influent into a first separator; (b) withdrawing a substantially clear liquid overflow and a substantially solid contaminant underflow therefrom; (c) metering specific gravity and flow rate of the liquid-solid influent; (d) adjusting mass flow rate in response to fluctuations in the metered parameters of step (c) to maintain a desired substantial...

이 특허에 인용된 특허 (2)

  1. Chandler John Leslie (Mandeville JM). Control of flocculant addition in sedimentation apparatus. USP1977084040954.
  2. Zuckerman Matthew M. (Palo Alto CA) Hamer Leslie C. (San Jose CA). System and apparatus for control and optimization of filtration process. USP1979044151080.

이 특허를 인용한 특허 피인용횟수: 45

  1. Hondulas John (Rte. 4 ; Box 505 Gatlinburg TN 37738). Apparatus and system for treating waste water and sludge. USP1989114880533.
  2. Abadi Khodabandeh (P.O. Box 2425 Tucson AZ 85702) Hunt Craig A. (Tucson AZ). Apparatus for control of hard water scale in evaporative coolers. USP1991055013488.
  3. Yunoki Toru (Chigasaki JPX). Apparatus for controlling an infinitesimal flow rate of fluid. USP1987064670138.
  4. King F. Paul ; Inch Mark ; Howard Robert ; Bogh Niels. Apparatus for separating light and heavy phase liquids. USP2001016180001.
  5. Kleinschnittger Hans H. (Berg - Vorberg DEX) Bassler Wolfgang (Allensbach DEX) Kahmann Albrecht (Weingarten DEX) Siewert Wolfgang (Ravensburg DEX). Arrangement for the flocculation of flocculatable substances in suspensions, particularly for the purification of the ba. USP1988114784764.
  6. Wiemers Reginald A. ; Costello Michael J. R. ; Simmons Alfred R. ; Sealey Gerald L.. Automated effluence conditioning and treatment. USP2000086110382.
  7. Wiemers Reginald A. ; Costello Michael J. R. ; Simmons Alfred R. ; Sealey Gerald L.. Automated effluence conditioning and treatment apparatus. USP2001116315894.
  8. Ruehrwein, Donald Neil. Claricone sludge level control system. USP2004116814874.
  9. Moody, Gillian; Allen, Anthony; Adkins, Stephen; Dymond, Brian; Stocks, Paul. Concentration of suspensions. USP2012018097167.
  10. Moody, Gillian; Allen, Anthony; Adkins, Stephen; Dymond, Brian; Stocks, Paul. Concentration of suspensions. USP2013088506822.
  11. Simpson Brian Leigh ; Distefano Gary Michael ; Logsdon Kevin Michael ; Popham Stephen Michael ; Reid Donald Charles. Continuous method of removing impurities from crude silver nitrate. USP2000036042800.
  12. Abbott John (Burton-on-Trent GB2). Controlling the treatment of mixtures comprising solid and liquid. USP1982064336143.
  13. Wright, Terry. Floatables and scum removal apparatus for a waste water treatment system. USP2018039908067.
  14. Oblad Hayward B. (Bethel Park PA) Meenan Gary F. (Bethel Park PA). Flocculant control system. USP1991045006231.
  15. Godlien, Scott Blair. Fluid clarification system and apparatus. USP2011077972501.
  16. Godlien, Scott Blair. Fluid clarification system, method, and apparatus. USP2012118308958.
  17. Slough, Kevin; Lupul, Troy. Fluid treatment apparatus. USP2009057527726.
  18. Butler, Michael A.; Bertoni, Alfred; Jacobs, Jonathan M.. Foldable drain pipe for a decanter in a water treatment system. USP20190110190710.
  19. McMahan Anthony A. (420 Bayberry La. Naperville IL 60540) Vock Donald C. (934 Lorlyn Cir. Batavia IL 60510). Intrachannel clarifier. USP1990084952310.
  20. Wright, Terry; Cornelison, Tim; Bauer, Markus; Abrams, Arvid. Method and apparatus for a vertical lift decanter system in a water treatment system. USP2018019855518.
  21. Vince, Andrew; Firth, Bruce Andrew; Hu, Shenggen. Method and apparatus for determining particle parameter and processor performance in a coal and mineral processing system. USP2009067542873.
  22. Brophey Robert W. (1134 Upton Ave. North Minneapolis MN 55411) Kadwell Robert J. (1111 Sheridan Ave. North Minneapolis MN 55411). Method and apparatus for removal of floating immiscible liquids. USP1991075028212.
  23. Peterson C. Lynn (Salt Lake City UT). Method and apparatus for use in separating solids from liquids. USP1991034999115.
  24. Hodges, Michael K.; Campbell, Larry D.. Method for high speed dewatering of slurries. USP2003116652757.
  25. Alabbas, Faisal M.; Kakpovbia, Anthony. Method for killing and removing microorganisms and scale using separation unit equipped with rotating magnets. USP2017079694303.
  26. Goriawala, Qausarali; Bertoni, Alfred; Jacobs, Jonathan M.; Butler, Michael A.; Wright, Terry. Method for maximizing uniform effluent flow through a waste water treatment system. USP20190410252190.
  27. Goriawala, Qausarali; Bertoni, Alfred; Jacobs, Jonathan M.; Butler, Michael A.; Wright, Terry. Method for maximizing uniform effluent flow through a waste water treatment system. USP2017109782696.
  28. Bagatto Peter F. (Jonquiere CAX) Puxley Donald L. (Jonquiere CAX). Method of and apparatus for thickening red muds derived from bauxite and similar slurries. USP1989054830507.
  29. Scheimann,David W.; Kowalski,Angela S.. Method of dewatering thin stillage processing streams. USP2009037497955.
  30. Sauvignet, Philippe; Beaudet, Jean-Francois; Guillot, Sonia; Ursel, Valery. Method of treating water by ballasted flocculation/settling, which includes a continuous measurement of the ballast, and corresponding installation. USP2012018092688.
  31. Blais Norman J. (Fiskdale MA). Pressurized filtration system. USP1984034439325.
  32. Pickering Carl Anthony,GBX ; Tovey Peter James,GBX. Process and apparatus for dewatering a suspension. USP1999055902487.
  33. Verschuur Eke (Amsterdam NLX). Process for the upgrading of coal. USP1982014311488.
  34. Oshinowo, Olanrewaju Malcolm. Processes for analysis and optimization of multiphase separators, particularly in regard to simulated gravity separation of immiscible liquid dispersions. USP20190310238992.
  35. Lambert Jean-Luc (Fontainebleau FRX). Pulsation amplitude control for pneumatically pulsated liquid. USP1982084342654.
  36. Descamps, Patrick; Prevot, Claude; Haubry, André. Quick static decanter for prethickening water treatment sludge, and plant including such a decanter. USP2015049011677.
  37. Eustacchio Peter (Graz ATX) Perchthaler Heinz (Graz ATX) Syrowatka Rupert (Graz ATX). Regulating apparatus for dewatering machines. USP1986094612123.
  38. West Jon K. (Gainesville FL) LeDuc Kenneth (Gainesville FL) Ferrus Serge (Gainesville FL). Reuse of waste water in battery manufacture. USP1982014310421.
  39. Smith, Stephen Dewhurst; Wheeler, Simon P. H.. Sand separator interface detection. USP20180810046252.
  40. Goriawala, Qausarali; Butler, Michael A.; Wright, Terry; Bertoni, Alfred; Jacobs, Jonathan M.. Screen decanter for removing solids from wastewater. USP2017059643106.
  41. Goriawala, Qausarali; Bertoni, Alfred; Jacobs, Jonathan M.; Butler, Michael A.; Wright, Terry. Screen decanter for screening solids from waste water. USP2017089744482.
  42. Alabbas, Faisal M.; Kakpovbia, Anthony. Separation unit for microbial and scale treatment. USP20181010092860.
  43. Caccia Carl (72 Empire Ave. Toronto ; Ontario CAX M4M 2L4). Settlement tank condition monitoring system. USP1982094348278.
  44. Heller Jon D. ; Heller Kenneth J. ; Reeves Timothy. Sewage treatment apparatus. USP2000106132678.
  45. Peterson C. Lynn (Salt Lake City UT). System for mineral slurry flocculation and vacuum filtration. USP1988104775468.

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