GB2146747B - Method and apparatus for precalcining pulverous raw material - Google Patents

Method and apparatus for precalcining pulverous raw material

Info

Publication number
GB2146747B
GB2146747B GB08420398A GB8420398A GB2146747B GB 2146747 B GB2146747 B GB 2146747B GB 08420398 A GB08420398 A GB 08420398A GB 8420398 A GB8420398 A GB 8420398A GB 2146747 B GB2146747 B GB 2146747B
Authority
GB
United Kingdom
Prior art keywords
precalcining
raw material
pulverous raw
pulverous
raw
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
GB08420398A
Other versions
GB8420398D0 (en
GB2146747A (en
Inventor
Peter Bechtoft Nielsen
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.)
FLSmidth and Co AS
Original Assignee
FLSmidth and Co AS
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 FLSmidth and Co AS filed Critical FLSmidth and Co AS
Publication of GB8420398D0 publication Critical patent/GB8420398D0/en
Publication of GB2146747A publication Critical patent/GB2146747A/en
Application granted granted Critical
Publication of GB2146747B publication Critical patent/GB2146747B/en
Expired legal-status Critical Current

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
    • 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 peculiar to 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
    • 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 peculiar to rotary-drum furnaces
    • F27B7/2016—Arrangements of preheating devices for the charge
    • F27B7/2041—Arrangements of preheating devices for the charge consisting of at least two strings of cyclones with two different admissions of raw material
    • F27B7/205—Arrangements of preheating devices for the charge consisting of at least two strings of cyclones with two different admissions of raw material with precalcining means on the string supplied with exhaust gases from the cooler
    • 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

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Furnace Details (AREA)
GB08420398A 1983-09-19 1984-08-10 Method and apparatus for precalcining pulverous raw material Expired GB2146747B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB838325035A GB8325035D0 (en) 1983-09-19 1983-09-19 Precalcining pulverous raw material

Publications (3)

Publication Number Publication Date
GB8420398D0 GB8420398D0 (en) 1984-09-12
GB2146747A GB2146747A (en) 1985-04-24
GB2146747B true GB2146747B (en) 1987-02-04

Family

ID=10548984

Family Applications (2)

Application Number Title Priority Date Filing Date
GB838325035A Pending GB8325035D0 (en) 1983-09-19 1983-09-19 Precalcining pulverous raw material
GB08420398A Expired GB2146747B (en) 1983-09-19 1984-08-10 Method and apparatus for precalcining pulverous raw material

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB838325035A Pending GB8325035D0 (en) 1983-09-19 1983-09-19 Precalcining pulverous raw material

Country Status (1)

Country Link
GB (2) GB8325035D0 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT381694B (en) * 1985-01-11 1986-11-10 Voest Alpine Ag METHOD AND DEVICE FOR THERMALLY TREATING FINE-GRAINED GOODS, IN PARTICULAR FOR BURNING CEMENT FLOUR
DE3520058A1 (en) * 1985-06-04 1986-12-04 O & K Orenstein & Koppel Ag, 1000 Berlin METHOD FOR THE HEAT TREATMENT OF FINE GRAIN GOODS

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5527022B2 (en) * 1972-09-04 1980-07-17
CS210252B1 (en) * 1974-03-08 1982-01-29 Jiri Filous Facility for firing the cementing raw material and similar substances
AT377249B (en) * 1980-07-30 1985-02-25 Thaelmann Schwermaschbau Veb METHOD FOR THE HEAT TREATMENT OF FINE GRAIN MATERIAL AND DEVICE FOR CARRYING OUT THE METHOD
US4527973A (en) * 1982-12-23 1985-07-09 Ube Industries, Ltd. Precalciner for cement raw meal

Also Published As

Publication number Publication date
GB8420398D0 (en) 1984-09-12
GB8325035D0 (en) 1983-10-19
GB2146747A (en) 1985-04-24

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee