ATE197T1 - METHOD AND DEVICE FOR THE HEAT TREATMENT OF FINE GRAIN MATERIAL, IN PARTICULAR CEMENT RAW MATERIAL. - Google Patents

METHOD AND DEVICE FOR THE HEAT TREATMENT OF FINE GRAIN MATERIAL, IN PARTICULAR CEMENT RAW MATERIAL.

Info

Publication number
ATE197T1
ATE197T1 AT80100586T AT80100586T ATE197T1 AT E197 T1 ATE197 T1 AT E197T1 AT 80100586 T AT80100586 T AT 80100586T AT 80100586 T AT80100586 T AT 80100586T AT E197 T1 ATE197 T1 AT E197T1
Authority
AT
Austria
Prior art keywords
cement raw
raw material
particular cement
heat treatment
fine grain
Prior art date
Application number
AT80100586T
Other languages
German (de)
Inventor
Bernd Korte
Wilfried Kraeft
Original Assignee
Krupp Polysius Ag
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6062250&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ATE197(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Krupp Polysius Ag filed Critical Krupp Polysius Ag
Application granted granted Critical
Publication of ATE197T1 publication Critical patent/ATE197T1/en

Links

Classifications

    • 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
    • C04B7/434—Preheating with addition of fuel, e.g. calcining
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P40/00—Technologies relating to the processing of minerals
    • Y02P40/10—Production of cement, e.g. improving or optimising the production methods; Cement grinding
    • Y02P40/121—Energy efficiency measures, e.g. improving or optimising the production methods

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Thermal Sciences (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Treating Waste Gases (AREA)
  • Heat Treatments In General, Especially Conveying And Cooling (AREA)
  • Disintegrating Or Milling (AREA)
  • Drying Of Solid Materials (AREA)
  • Crucibles And Fluidized-Bed Furnaces (AREA)
  • Furnace Details (AREA)
  • Glass Compositions (AREA)

Abstract

1. Method of heat treating fine-grain material, in particular cement raw material, using a multistage cyclone preheater through which the exhaust gases of a rotary tubular kiln pass, high-sulphur-content fuel being introduced into a precalcination zone disposed in the lowermost region of the cyclone preheater and the entire combustion air required in the precalcination zone being supplied by the rotary tubular kiln, characterised in that the kiln exhaust gases are dedusted before entry into the precalcination zone at exhaust gas temperature and at least a portion of the dust precipitating is discarded.
AT80100586T 1979-02-06 1980-02-05 METHOD AND DEVICE FOR THE HEAT TREATMENT OF FINE GRAIN MATERIAL, IN PARTICULAR CEMENT RAW MATERIAL. ATE197T1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19792904379 DE2904379A1 (en) 1979-02-06 1979-02-06 METHOD FOR THE HEAT TREATMENT OF FINE GRAIN
EP80100586A EP0016935B1 (en) 1979-02-06 1980-02-05 Method and apparatus for the heat treatment of fine-grained material, particularly of cementitious material

Publications (1)

Publication Number Publication Date
ATE197T1 true ATE197T1 (en) 1981-09-15

Family

ID=6062250

Family Applications (1)

Application Number Title Priority Date Filing Date
AT80100586T ATE197T1 (en) 1979-02-06 1980-02-05 METHOD AND DEVICE FOR THE HEAT TREATMENT OF FINE GRAIN MATERIAL, IN PARTICULAR CEMENT RAW MATERIAL.

Country Status (6)

Country Link
EP (1) EP0016935B1 (en)
AT (1) ATE197T1 (en)
BR (1) BR8000688A (en)
DE (2) DE2904379A1 (en)
ES (1) ES488293A0 (en)
ZA (1) ZA80185B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3111527A1 (en) * 1981-03-24 1982-10-07 Krupp Polysius Ag, 4720 Beckum HEAT EXCHANGER
DE3411148A1 (en) * 1984-03-27 1985-10-10 Dyckerhoff Engineering GmbH, 6200 Wiesbaden Process for removing volatile heavy metal compounds from the cement clinker process
DE3420078A1 (en) * 1984-05-29 1985-12-05 Krupp Polysius Ag, 4720 Beckum Process and plant for heat treatment of fine granular material

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH408751A (en) * 1963-11-04 1966-02-28 Escher Wyss Ag Process for heat exchange between the powdery raw material and the exhaust gases of a cement rotary kiln and device for carrying out this process
FR1558447A (en) * 1967-12-15 1969-02-28
DE2558506C2 (en) * 1975-12-24 1982-03-11 Klöckner-Humboldt-Deutz AG, 5000 Köln Process for the thermal treatment of powdery material, in particular for burning cement in several stages

Also Published As

Publication number Publication date
DE2904379A1 (en) 1980-08-14
ES8104156A1 (en) 1981-04-16
BR8000688A (en) 1980-10-14
ZA80185B (en) 1981-03-25
DE3060014D1 (en) 1981-11-26
ES488293A0 (en) 1981-04-16
EP0016935A1 (en) 1980-10-15
EP0016935B1 (en) 1981-09-09

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