CA1133249A - Process and installation for precalcinating powderous or granular substances - Google Patents

Process and installation for precalcinating powderous or granular substances

Info

Publication number
CA1133249A
CA1133249A CA360,312A CA360312A CA1133249A CA 1133249 A CA1133249 A CA 1133249A CA 360312 A CA360312 A CA 360312A CA 1133249 A CA1133249 A CA 1133249A
Authority
CA
Canada
Prior art keywords
cyclone
kiln
junction
fumes
installation
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
CA360,312A
Other languages
English (en)
French (fr)
Inventor
Jean-Pierre Lovichi
Jacques Chapon
Bernard Le Bras
Jean Grandcolas
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Lafarge Conseils et Etudes
Original Assignee
Lafarge Conseils et Etudes
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 Lafarge Conseils et Etudes filed Critical Lafarge Conseils et Etudes
Application granted granted Critical
Publication of CA1133249A publication Critical patent/CA1133249A/en
Expired legal-status Critical Current

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
    • F27B7/2016—Arrangements of preheating devices for the charge
    • F27B7/2025—Arrangements of preheating devices for the charge consisting of a single string of cyclones
    • F27B7/2033—Arrangements of preheating devices for the charge consisting of a single string of cyclones with means for precalcining the raw material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
    • B04C5/00—Apparatus in which the axial direction of the vortex is reversed
    • B04C5/24—Multiple arrangement thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
    • B04C5/00—Apparatus in which the axial direction of the vortex is reversed
    • B04C5/24—Multiple arrangement thereof
    • B04C5/30—Recirculation constructions in or with cyclones which accomplish a partial recirculation of the medium, e.g. by means of conduits
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
    • B04C9/00—Combinations with other devices, e.g. fans, expansion chambers, diffusors, water locks
    • 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
    • C04B7/432—Preheating without addition of fuel

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Furnace Details (AREA)
CA360,312A 1979-09-17 1980-09-16 Process and installation for precalcinating powderous or granular substances Expired CA1133249A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7923130 1979-09-17
FR7923130A FR2464742A1 (fr) 1979-09-17 1979-09-17 Procede de precalcination de matieres pulverulentes ou granulaires et installation pour la mise en oeuvre de ce procede

Publications (1)

Publication Number Publication Date
CA1133249A true CA1133249A (en) 1982-10-12

Family

ID=9229710

Family Applications (1)

Application Number Title Priority Date Filing Date
CA360,312A Expired CA1133249A (en) 1979-09-17 1980-09-16 Process and installation for precalcinating powderous or granular substances

Country Status (4)

Country Link
CA (1) CA1133249A (en:Method)
DE (1) DE3032803A1 (en:Method)
FR (1) FR2464742A1 (en:Method)
GB (1) GB2065279B (en:Method)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4568276A (en) * 1984-02-15 1986-02-04 Kabushiki Kaisha Kobe Seiko Sho Dust preheating system with incipient calciner

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE524779A (en:Method) *
IT1110652B (it) * 1978-02-10 1985-12-23 Italcementi Spa Impianto combinato per il trattamento in forni lunghi per via semisecca di melme umide di materie prime da cemento da trasformare in clinker

Also Published As

Publication number Publication date
GB2065279B (en) 1983-07-06
GB2065279A (en) 1981-06-24
FR2464742A1 (fr) 1981-03-20
FR2464742B1 (en:Method) 1981-10-02
DE3032803A1 (de) 1981-04-02

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Legal Events

Date Code Title Description
MKEX Expiry