FR2464742A1 - Procede de precalcination de matieres pulverulentes ou granulaires et installation pour la mise en oeuvre de ce procede - Google Patents

Procede de precalcination de matieres pulverulentes ou granulaires et installation pour la mise en oeuvre de ce procede Download PDF

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Publication number
FR2464742A1
FR2464742A1 FR7923130A FR7923130A FR2464742A1 FR 2464742 A1 FR2464742 A1 FR 2464742A1 FR 7923130 A FR7923130 A FR 7923130A FR 7923130 A FR7923130 A FR 7923130A FR 2464742 A1 FR2464742 A1 FR 2464742A1
Authority
FR
France
Prior art keywords
cyclone
oven
cooler
furnace
preheater
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.)
Granted
Application number
FR7923130A
Other languages
English (en)
French (fr)
Other versions
FR2464742B1 (OSRAM
Inventor
Jean-Pierre Lovichi
Bernard Le Bras
Jacques Chapon
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
Priority to FR7923130A priority Critical patent/FR2464742A1/fr
Priority to DE19803032803 priority patent/DE3032803A1/de
Priority to GB8029773A priority patent/GB2065279B/en
Priority to CA360,312A priority patent/CA1133249A/en
Publication of FR2464742A1 publication Critical patent/FR2464742A1/fr
Application granted granted Critical
Publication of FR2464742B1 publication Critical patent/FR2464742B1/fr
Granted 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)
FR7923130A 1979-09-17 1979-09-17 Procede de precalcination de matieres pulverulentes ou granulaires et installation pour la mise en oeuvre de ce procede Granted FR2464742A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
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
DE19803032803 DE3032803A1 (de) 1979-09-17 1980-08-30 Verfahren und einrichtung zum vorkalzinieren pulverfoermigen oder koerniger stoffe
GB8029773A GB2065279B (en) 1979-09-17 1980-09-15 Processes and installations for precalcinating powderous or granular substances
CA360,312A CA1133249A (en) 1979-09-17 1980-09-16 Process and installation for precalcinating powderous or granular substances

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
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 (2)

Publication Number Publication Date
FR2464742A1 true FR2464742A1 (fr) 1981-03-20
FR2464742B1 FR2464742B1 (OSRAM) 1981-10-02

Family

ID=9229710

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7923130A Granted 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

Country Status (4)

Country Link
CA (1) CA1133249A (OSRAM)
DE (1) DE3032803A1 (OSRAM)
FR (1) FR2464742A1 (OSRAM)
GB (1) GB2065279B (OSRAM)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0153048A3 (en) * 1984-02-15 1987-04-01 Kabushiki Kaisha Kobe Seiko Sho Dust preheating system with preliminary calciner

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE524779A (OSRAM) *
FR2416874A1 (fr) * 1978-02-10 1979-09-07 Italcementi Spa Installation pour le traitement dans des fours longs, par voie semi-seche de boues humides de matiere premieres pour ciment a transformer en clinker

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE524779A (OSRAM) *
FR2416874A1 (fr) * 1978-02-10 1979-09-07 Italcementi Spa Installation pour le traitement dans des fours longs, par voie semi-seche de boues humides de matiere premieres pour ciment a transformer en clinker

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0153048A3 (en) * 1984-02-15 1987-04-01 Kabushiki Kaisha Kobe Seiko Sho Dust preheating system with preliminary calciner

Also Published As

Publication number Publication date
GB2065279B (en) 1983-07-06
GB2065279A (en) 1981-06-24
FR2464742B1 (OSRAM) 1981-10-02
DE3032803A1 (de) 1981-04-02
CA1133249A (en) 1982-10-12

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ST Notification of lapse