DK0497937T3 - Installations for the thermal treatment of powdered raw materials - Google Patents

Installations for the thermal treatment of powdered raw materials

Info

Publication number
DK0497937T3
DK0497937T3 DK91914034.3T DK91914034T DK0497937T3 DK 0497937 T3 DK0497937 T3 DK 0497937T3 DK 91914034 T DK91914034 T DK 91914034T DK 0497937 T3 DK0497937 T3 DK 0497937T3
Authority
DK
Denmark
Prior art keywords
calcinator
fitted
installations
raw materials
thermal treatment
Prior art date
Application number
DK91914034.3T
Other languages
Danish (da)
Inventor
Albrecht Wolter
Claus Bauer
Original Assignee
Kloeckner Humboldt Deutz 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=6412851&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DK0497937(T3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Kloeckner Humboldt Deutz Ag filed Critical Kloeckner Humboldt Deutz Ag
Application granted granted Critical
Publication of DK0497937T3 publication Critical patent/DK0497937T3/en

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 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
    • 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)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Processing Of Solid Wastes (AREA)
  • Treating Waste Gases (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
  • Cereal-Derived Products (AREA)
  • Bakery Products And Manufacturing Methods Therefor (AREA)
  • Noodles (AREA)
  • Muffle Furnaces And Rotary Kilns (AREA)

Abstract

The invention concerns a cement-clinker production line with a double-fired calcinator fitted upstream of the rotating-cylinder kiln. In order to ensure thermally efficient combustion which is a s complete as possible, including re-combustion of unburnt fuel such as CO and/or carbon particles, in the calcinator, whether the calcinator is fitted with equipment for reducing the NOx? content of the oven exhaust gases or not, the invention calls for a turbulence chamber (33) to be fitted in the calcining section (17), in the zone in which the direction of flow is reversed, to separate off at least part of at least the coarse-grain fraction (37) of the gas/solid suspension and to reintroduce the solid material thus separated off into the calcining-section leg (30 or 32) located upstream or downstream of the turbulence chamber (33).
DK91914034.3T 1990-08-24 1991-08-09 Installations for the thermal treatment of powdered raw materials DK0497937T3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4026814A DE4026814C2 (en) 1990-08-24 1990-08-24 Plant for the thermal treatment of flour-like raw materials

Publications (1)

Publication Number Publication Date
DK0497937T3 true DK0497937T3 (en) 1995-07-17

Family

ID=6412851

Family Applications (1)

Application Number Title Priority Date Filing Date
DK91914034.3T DK0497937T3 (en) 1990-08-24 1991-08-09 Installations for the thermal treatment of powdered raw materials

Country Status (6)

Country Link
EP (1) EP0497937B1 (en)
AT (1) ATE122452T1 (en)
DE (3) DE4026814C2 (en)
DK (1) DK0497937T3 (en)
ES (1) ES2072009T3 (en)
WO (1) WO1992003691A1 (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4123306C2 (en) * 1991-07-13 2000-05-25 Deutz Ag Plant for the thermal treatment of flour-like raw materials
DE19649922A1 (en) * 1996-12-02 1998-06-04 Krupp Polysius Ag Method and device for the heat treatment of fine-grained material
DE19903954A1 (en) * 1999-02-02 2000-08-03 Kloeckner Humboldt Wedag Plant for the thermal treatment of flour-like raw materials
DE19917310A1 (en) * 1999-04-16 2000-10-19 Krupp Polysius Ag Material treatment equipment, especially for cement raw material calcination, has a flow diversion chamber with an impact wall transverse to material flow entering from a rising pipe branch
DE19920143A1 (en) * 1999-05-03 2000-11-09 Kloeckner Humboldt Wedag Process and plant for the thermal treatment of meal-like raw materials
DE19962536A1 (en) * 1999-12-23 2001-07-05 Kloeckner Humboldt Wedag Process for the thermal treatment of meal-like raw materials
DE10003283A1 (en) 2000-01-26 2001-08-02 Krupp Polysius Ag Process and plant for the heat treatment of fine-grained material
DE10040163A1 (en) * 2000-08-17 2002-02-28 Kloeckner Humboldt Wedag Process for the desulphurization of exhaust gases from a plant for the production of cement clinker
DE10146418A1 (en) * 2001-09-20 2003-04-17 Kloeckner Humboldt Wedag Process and plant for the thermal treatment of meal-like raw materials
DE10150097B4 (en) * 2001-10-11 2009-08-20 Khd Humboldt Wedag Gmbh Multi-strand plant for the production of cement clinker from raw meal
EP1921050A3 (en) 2006-11-13 2009-06-10 Montanuniversität Leoben Method and device for thermal processing of raw material
NL2020896B1 (en) 2018-05-08 2019-11-14 Corning Inc Water-containing glass-based articles with high indentation cracking threshold
TW202026257A (en) 2018-11-16 2020-07-16 美商康寧公司 Glass compositions and methods for strengthening via steam treatment
US11370696B2 (en) 2019-05-16 2022-06-28 Corning Incorporated Glass compositions and methods with steam treatment haze resistance
EP3779341B1 (en) 2019-08-14 2021-12-01 Alite GmbH Conduit of a calciner in a cement clinker plant
GB202012825D0 (en) 2020-05-12 2020-09-30 Corning Inc Fusion formable and steam strengthenable glass compositions with platinum compatibility

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3964922A (en) * 1972-09-04 1976-06-22 Kawasaki Jukogyo Kabushiki Kaisha Process for calcination of cement-clinker
US4568276A (en) * 1984-02-15 1986-02-04 Kabushiki Kaisha Kobe Seiko Sho Dust preheating system with incipient calciner
DE3538707A1 (en) * 1985-10-31 1987-05-07 Kloeckner Humboldt Deutz Ag METHOD AND DEVICE FOR THE THERMAL TREATMENT OF MOLDED RAW MATERIALS
DE3800895A1 (en) * 1988-01-14 1989-07-27 Krupp Polysius Ag METHOD AND INSTALLATION FOR THE HEAT TREATMENT OF FINE GRAIN GOODS

Also Published As

Publication number Publication date
DE9018023U1 (en) 1993-12-16
ATE122452T1 (en) 1995-05-15
EP0497937B1 (en) 1995-05-10
WO1992003691A1 (en) 1992-03-05
DE59105452D1 (en) 1995-06-14
ES2072009T3 (en) 1995-07-01
DE4026814A1 (en) 1992-02-27
EP0497937A1 (en) 1992-08-12
DE4026814C2 (en) 2000-05-18

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