MA58220A1 - Cement manufacturing plant and process for the production of cement slag - Google Patents

Cement manufacturing plant and process for the production of cement slag

Info

Publication number
MA58220A1
MA58220A1 MA58220A MA58220A MA58220A1 MA 58220 A1 MA58220 A1 MA 58220A1 MA 58220 A MA58220 A MA 58220A MA 58220 A MA58220 A MA 58220A MA 58220 A1 MA58220 A1 MA 58220A1
Authority
MA
Morocco
Prior art keywords
furnace
cement
calcining
manufacturing plant
slag
Prior art date
Application number
MA58220A
Other languages
French (fr)
Other versions
MA58220B1 (en
Inventor
Karl Lampe
Jost Lemke
Eike Willms
Anna Ivanova Dinkova
Original Assignee
Thyssenkrupp Ind Solutions 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
Application filed by Thyssenkrupp Ind Solutions Ag filed Critical Thyssenkrupp Ind Solutions Ag
Priority claimed from PCT/EP2021/061409 external-priority patent/WO2021224129A1/en
Publication of MA58220A1 publication Critical patent/MA58220A1/en
Publication of MA58220B1 publication Critical patent/MA58220B1/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
    • C04B7/44—Burning; Melting
    • 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
    • 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
    • F27B7/36—Arrangements of air or gas supply devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D19/00—Arrangements of controlling devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D7/00—Forming, maintaining, or circulating atmospheres in heating chambers
    • F27D7/02—Supplying steam, vapour, gases, or liquids
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D19/00—Arrangements of controlling devices
    • F27D2019/0003—Monitoring the temperature or a characteristic of the charge and using it as a controlling value
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D19/00—Arrangements of controlling devices
    • F27D2019/0028—Regulation
    • F27D2019/0034—Regulation through control of a heating quantity such as fuel, oxidant or intensity of current

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)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Furnace Details (AREA)

Abstract

La présente invention concerne une installation de fabrication de ciment (10) comportant - un préchauffeur (12) pour préchauffer de la farine crue, - un four de calcination (14) pour la calcination de la farine crue préchauffée, - un four (16) doté d'un brûleur de four (28) pour brûler la farine crue pour former des scories de ciment, le four (16) présentant une entrée de gaz de combustion pour laisser entrer un gaz de combustion ayant une teneur en oxygène de 30 % à 75 % dans le four (16), et - un refroidisseur (18) pour refroidir les scories de ciment, le four de calcination (14) et le four (16) présentent respectivement au moins une entrée de carburant (20) pour introduire au moins un combustible dans le four de calcination (14) et le four (16), le four de calcination (14) et le four (16) ayant respectivement au moins une entrée de gaz inerte (64, 68) pour laisser entrer respectivement du gaz inerte dans le four de calcination (14) et le four (16).The present invention relates to a cement manufacturing plant (10) comprising - a preheater (12) for preheating raw flour, - a calcining furnace (14) for calcining the preheated raw flour, - a furnace (16) having a kiln burner (28) for burning the raw meal to form cement slag, the kiln (16) having a flue gas inlet for admitting flue gas having an oxygen content of 30% at 75% in the furnace (16), and - a cooler (18) for cooling the cement slag, the calcining furnace (14) and the furnace (16) respectively have at least one fuel inlet (20) for introducing the at least one fuel in the calcining furnace (14) and the furnace (16), the calcining furnace (14) and the furnace (16) respectively having at least one inert gas inlet (64, 68) for letting in respectively inert gas in the calcining furnace (14) and the furnace (16).

MA58220A 2020-05-05 2021-04-30 INSTALLATION AND METHOD FOR MANUFACTURING CEMENT FOR THE PRODUCTION OF CEMENT SLAG MA58220B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102020205672.2A DE102020205672A1 (en) 2020-05-05 2020-05-05 Cement manufacturing plant and method for manufacturing cement clinker
PCT/EP2021/061409 WO2021224129A1 (en) 2020-05-05 2021-04-30 Cement-manufacturing plant and process for producing cement clinker

Publications (2)

Publication Number Publication Date
MA58220A1 true MA58220A1 (en) 2022-11-30
MA58220B1 MA58220B1 (en) 2024-01-31

Family

ID=78231639

Family Applications (1)

Application Number Title Priority Date Filing Date
MA58220A MA58220B1 (en) 2020-05-05 2021-04-30 INSTALLATION AND METHOD FOR MANUFACTURING CEMENT FOR THE PRODUCTION OF CEMENT SLAG

Country Status (2)

Country Link
DE (1) DE102020205672A1 (en)
MA (1) MA58220B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE1030238B1 (en) * 2022-02-01 2023-08-28 Smidth As F L entrained flow calciner

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018206673A1 (en) 2018-04-30 2019-10-31 Thyssenkrupp Ag Oxyfuel clinker production with special oxygen supply

Also Published As

Publication number Publication date
MA58220B1 (en) 2024-01-31
DE102020205672A1 (en) 2021-11-11

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