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ZA906924B - Dust recycling to rotary kilns - Google Patents

Dust recycling to rotary kilns

Info

Publication number
ZA906924B
ZA906924B ZA906924A ZA906924A ZA906924B ZA 906924 B ZA906924 B ZA 906924B ZA 906924 A ZA906924 A ZA 906924A ZA 906924 A ZA906924 A ZA 906924A ZA 906924 B ZA906924 B ZA 906924B
Authority
ZA
South Africa
Prior art keywords
rotary kilns
dust recycling
recycling
dust
kilns
Prior art date
Application number
ZA906924A
Other languages
English (en)
Inventor
Leo Gerald Mayotte
Gerald Mayotte Leo
Prince Boyd Eleazer Iii
Boyd Eleazer Prince Iii
Original Assignee
Air Prod & Chem
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 Air Prod & Chem filed Critical Air Prod & Chem
Publication of ZA906924B publication Critical patent/ZA906924B/xx

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
    • F27B7/20—Details, accessories or equipment specially adapted for rotary-drum furnaces
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B7/00—Hydraulic cements
    • C04B7/36—Manufacture of hydraulic cements in general
    • C04B7/43—Heat treatment, e.g. precalcining, burning, melting; Cooling
    • C04B7/436—Special arrangements for treating part or all of the cement kiln dust
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
    • F27B7/20—Details, accessories or equipment specially adapted for rotary-drum furnaces
    • F27B7/36—Arrangements of air or gas supply devices
    • 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
    • F27D17/30—Arrangements for extraction or collection of waste gases; Hoods therefor
    • F27D17/302—Constructional details of ancillary components, e.g. waste gas conduits or seals

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Muffle Furnaces And Rotary Kilns (AREA)
  • Processing Of Solid Wastes (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Treatment Of Sludge (AREA)
ZA906924A 1989-12-01 1990-08-30 Dust recycling to rotary kilns ZA906924B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/444,493 US5007823A (en) 1989-12-01 1989-12-01 Dust recycling to rotary kilns

Publications (1)

Publication Number Publication Date
ZA906924B true ZA906924B (en) 1992-05-27

Family

ID=23765137

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA906924A ZA906924B (en) 1989-12-01 1990-08-30 Dust recycling to rotary kilns

Country Status (7)

Country Link
US (1) US5007823A (xx)
JP (1) JPH079354B2 (xx)
KR (1) KR920004853B1 (xx)
BR (1) BR9004654A (xx)
CA (1) CA2024037C (xx)
MY (1) MY106862A (xx)
ZA (1) ZA906924B (xx)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6488765B1 (en) 1997-07-30 2002-12-03 Cemex, Inc. Oxygen enrichment of cement kiln system combustion
US6077072A (en) * 1998-09-18 2000-06-20 American Air Liquide Inc. Prefferential oxygen firing system for counter-current mineral calcining
US6309210B1 (en) 1999-03-16 2001-10-30 L'air Liquide, Societe Anonyme Pour L'etude Et, L'exploitation Des Procedes Georges Claude Kiln universal oxygen enrichment
FR2795808B1 (fr) 1999-07-02 2001-09-14 Air Liquide Procede de combustion, applicable a la fabrication de ciment
US6116896A (en) * 1999-09-15 2000-09-12 Air Liquide America Inc. System and method for oxidant injection in rotary kilns
US6241514B1 (en) * 1999-09-15 2001-06-05 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Oxidant-driven dust recycling process and device for rotary kilns
TW487689B (en) * 2000-03-30 2002-05-21 Smidth & Co As F L Method and apparatus for manufacturing cement clinker from particulate cement raw material
US6659762B2 (en) 2001-09-17 2003-12-09 L'air Liquide - Societe Anonyme A' Directoire Et Conseil De Surveillance Pour L'etude Et L'exploitation Des Procedes Georges Claude Oxygen-fuel burner with adjustable flame characteristics
US20040040472A1 (en) * 2002-09-03 2004-03-04 Donald Everett Method of recycling cement kiln dust
FR2863692B1 (fr) * 2003-12-16 2009-07-10 Air Liquide Procede de combustion etagee avec injection optimisee de l'oxydant primaire
SE531957C2 (sv) * 2006-06-09 2009-09-15 Aga Ab Förfarande för lansning av syrgas vid en industriugn med konventionell brännare
US7452203B2 (en) * 2006-10-16 2008-11-18 Praxair Technology, Inc. Stratified staging in kilns
US7771690B2 (en) * 2006-11-01 2010-08-10 Solvay Chemicals, Inc. Plenum crusher dust injection
JP4926781B2 (ja) * 2007-03-27 2012-05-09 住友大阪セメント株式会社 高含水率廃棄物の処理方法及び処理装置
FR2927409B1 (fr) * 2008-02-11 2013-01-04 Air Liquide Procede de chauffage d'un cru mineral dans un four de cuisson de type four tunnel
CN101671040B (zh) * 2008-09-09 2011-04-06 沈阳铝镁设计研究院 一种返灰装置
DE102008047489B4 (de) 2008-09-17 2010-05-12 Messer Group Gmbh Brenner und Verfahren zum Betreiben eines Brenners
RU2015117255A (ru) * 2012-10-08 2016-11-27 Л'Эр Ликид, Сосьете Аноним Пур Л'Этюд Э Л'Эксплуатасьон Де Проседе Жорж Клод Способ и устройство для улучшения сгорания вспомогательного топлива во вращающейся печи, и способ модернизации вращающейся печи с узлом горелки
CN103090665B (zh) * 2012-11-30 2014-10-15 沈光林 用于回转窑的局部增氧助燃装置
CH712284A1 (de) * 2016-03-21 2017-09-29 Bech Ulrich Verfahren zur carbothermischen Reduktion von Zinkoxid zu Zink.
WO2017129816A1 (de) * 2016-01-29 2017-08-03 Ulrich Bech Verfahren zur carbothermischen reduktion von zinkoxid zu zink
CN112279624A (zh) * 2020-11-23 2021-01-29 河南郑矿机器有限公司 煤矸石陶粒防结圈煅烧系统

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3074707A (en) * 1960-04-15 1963-01-22 Union Carbide Corp Process for the manufacture of cement
DE1222843B (de) * 1961-05-09 1966-08-11 Huettenwerk Oberhausen Ag Ofenabdichtung fuer Drehrohroefen
US3206526A (en) * 1962-05-15 1965-09-14 Rygaard Ole Frank Utilization of cement kiln dust
US3397256A (en) * 1966-07-01 1968-08-13 Baker Co J E Combustion process and apparatus to increase a flame temperature
DE3120683C2 (de) * 1981-05-23 1985-04-11 BKMI Industrieanlagen GmbH, 8000 München Vorrichtung zum Kühlen von gebranntem Weißzementklinker
JPS58199036A (ja) * 1982-05-17 1983-11-19 Nippon Cement Co Ltd 酸素富化焼成方法
DE3242508A1 (de) * 1982-11-18 1984-05-24 Klöckner-Humboldt-Deutz AG, 5000 Köln Vorrichtung zum schnellbrand von thermisch vorbehandeltem feinkoernigen gut
US4741694A (en) * 1984-02-17 1988-05-03 Reynolds Metals Co. Method for calcining carbonaceous materials

Also Published As

Publication number Publication date
CA2024037C (en) 1995-07-18
KR910012641A (ko) 1991-08-08
JPH079354B2 (ja) 1995-02-01
KR920004853B1 (ko) 1992-06-19
BR9004654A (pt) 1991-09-10
JPH03177785A (ja) 1991-08-01
US5007823A (en) 1991-04-16
MY106862A (en) 1995-08-30
CA2024037A1 (en) 1991-06-02

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