BR112023017953A2 - Forno rotativo e método para queimar material que contém carbonato, em particular calcário ou dolomita - Google Patents

Forno rotativo e método para queimar material que contém carbonato, em particular calcário ou dolomita

Info

Publication number
BR112023017953A2
BR112023017953A2 BR112023017953A BR112023017953A BR112023017953A2 BR 112023017953 A2 BR112023017953 A2 BR 112023017953A2 BR 112023017953 A BR112023017953 A BR 112023017953A BR 112023017953 A BR112023017953 A BR 112023017953A BR 112023017953 A2 BR112023017953 A2 BR 112023017953A2
Authority
BR
Brazil
Prior art keywords
zone
dolomite
particular limestone
rotating tube
burning
Prior art date
Application number
BR112023017953A
Other languages
English (en)
Inventor
Carsten Kaczinski
Original Assignee
Lhoist Rech Et Developpement Sa
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 Lhoist Rech Et Developpement Sa filed Critical Lhoist Rech Et Developpement Sa
Publication of BR112023017953A2 publication Critical patent/BR112023017953A2/pt

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
    • F27B7/14—Rotary-drum furnaces, i.e. horizontal or slightly inclined with means for agitating or moving the charge
    • F27B7/16—Rotary-drum furnaces, i.e. horizontal or slightly inclined with means for agitating or moving the charge the means being fixed relatively to the drum, e.g. composite means
    • F27B7/161—Rotary-drum furnaces, i.e. horizontal or slightly inclined with means for agitating or moving the charge the means being fixed relatively to the drum, e.g. composite means the means comprising projections jutting out from the wall
    • F27B7/162—Rotary-drum furnaces, i.e. horizontal or slightly inclined with means for agitating or moving the charge the means being fixed relatively to the drum, e.g. composite means the means comprising projections jutting out from the wall the projections consisting of separate lifting elements, e.g. lifting shovels
    • 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
    • C04B2/00—Lime, magnesia or dolomite
    • C04B2/10—Preheating, burning calcining or 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
    • F27B7/14—Rotary-drum furnaces, i.e. horizontal or slightly inclined with means for agitating or moving the charge
    • F27B7/16—Rotary-drum furnaces, i.e. horizontal or slightly inclined with means for agitating or moving the charge the means being fixed relatively to the drum, e.g. composite means
    • F27B7/161—Rotary-drum furnaces, i.e. horizontal or slightly inclined with means for agitating or moving the charge the means being fixed relatively to the drum, e.g. composite means the means comprising projections jutting out from the wall
    • F27B2007/165—Rotary-drum furnaces, i.e. horizontal or slightly inclined with means for agitating or moving the charge the means being fixed relatively to the drum, e.g. composite means the means comprising projections jutting out from the wall forming a helical lifting projection
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27M—INDEXING SCHEME RELATING TO ASPECTS OF THE CHARGES OR FURNACES, KILNS, OVENS OR RETORTS
    • F27M2003/00—Type of treatment of the charge
    • F27M2003/03—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
    • Y02P40/40—Production or processing of lime, e.g. limestone regeneration of lime in pulp and sugar mills

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)
  • Muffle Furnaces And Rotary Kilns (AREA)
  • Furnace Details (AREA)

Abstract

forno rotativo e método para queimar material que contém carbonato, em particular calcário ou dolomita. a presente invenção refere-se a um forno rotativo para queima de um material que contém carbonato, em particular calcário ou dolomita, que compreende um tubo rotativo (1) com uma extremidade de entrada (2a) para alimentação do material a ser queimado e uma extremidade de saída (4a) para a descarga do material queimado, o tubo rotativo (1) tendo uma zona de entrada (2) em sua extremidade de entrada (2a) e uma zona de saída (4) em sua extremidade de saída (4a), em que uma zona de preaquecimento (3a) e uma zona de combustão (3b) estão dispostas entre a zona de entrada (2) e a zona de saída (4), o forno rotativo sendo caracterizado, de acordo com a invenção, pelo fato de que, na zona de entrada (2) do tubo rotativo (1), é fornecida pelo menos uma saliência (6), em que a pelo menos uma saliência (6) tem pelo menos uma superfície deslizante (6a) inclinada em relação ao eixo longitudinal do tubo rotativo (1) para transporte do material a ser queimado da zona de entrada (2) para a zona de preaquecimento (3a). a presente invenção refere-se ainda a um método para queimar material que contém carbonato, em particular calcário ou dolomita.
BR112023017953A 2021-03-05 2022-03-07 Forno rotativo e método para queimar material que contém carbonato, em particular calcário ou dolomita BR112023017953A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP21161139.7A EP4053485A1 (de) 2021-03-05 2021-03-05 Drehrohrofen und verfahren zum brennen von karbonathaltigem gut, insbesondere kalkstein oder dolomit
PCT/EP2022/055696 WO2022184936A1 (de) 2021-03-05 2022-03-07 Drehrohrofen und verfahren zum brennen von karbonathaltigem gut, insbesondere kalkstein oder dolomit

Publications (1)

Publication Number Publication Date
BR112023017953A2 true BR112023017953A2 (pt) 2023-10-03

Family

ID=74859732

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112023017953A BR112023017953A2 (pt) 2021-03-05 2022-03-07 Forno rotativo e método para queimar material que contém carbonato, em particular calcário ou dolomita

Country Status (4)

Country Link
US (1) US20240077257A1 (pt)
EP (2) EP4053485A1 (pt)
BR (1) BR112023017953A2 (pt)
WO (1) WO2022184936A1 (pt)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE423492C (de) * 1926-01-04 Poliet Et Chausson Sa Ets Zylindrische, beiderseits keglig auslaufende Drehtrommel zum Brennen von Gips
FR443783A (fr) * 1912-05-14 1912-10-02 Adolf Negro Four rotatif pour la calcination de pierres à chaux ou de déchets de pierres à chaux
US2939693A (en) * 1956-08-06 1960-06-07 Southern Lightweight Aggregate Rotary kiln
US5975752A (en) 1998-02-25 1999-11-02 Conoco Inc. Fabricated steel lifter for rotary kiln
EP1903292B1 (de) 2006-09-19 2011-11-16 Blücher GmbH Drehrohrofen für die Aktivkohleherstellung mit veränderter Drehrohrgeometrie
JP2008122043A (ja) 2006-11-15 2008-05-29 Sumitomo Heavy Ind Ltd ロータリーキルン炉

Also Published As

Publication number Publication date
EP4302037A1 (de) 2024-01-10
EP4053485A1 (de) 2022-09-07
US20240077257A1 (en) 2024-03-07
WO2022184936A1 (de) 2022-09-09

Similar Documents

Publication Publication Date Title
BR112023017956A2 (pt) Forno tubular rotatório e processo para queima de material contendo carbonato, especialmente pedra calcária ou dolomita
AR000502A1 (es) Aparato para la fabricación de material a granel calcinado en especial clinquer de cemento
BR112023017953A2 (pt) Forno rotativo e método para queimar material que contém carbonato, em particular calcário ou dolomita
BR112023017855A2 (pt) Forno rotativo e método para queimar material que contém carbonato, em particular calcário ou dolomita
US4741694A (en) Method for calcining carbonaceous materials
US3369587A (en) Burners for liquid, gaseous and pulverulent fuels
GB972335A (en) Improved apparatus for continuous steelmaking
GB764537A (en) Improvements relating to the burning of materials containing sulphates
CA1079065A (en) Cement calcining apparatus
GB1215792A (en) Improvements in or relating to incinerators
US1317686A (en) Howard f
US1505918A (en) Cement furnace
DE372331C (de) Schachtofen zum Brennen von Zement, Magnesit, Dolomit u. dgl. sowie zum Agglomerieren von Erzen mit gegeneinander versetztem Vorwaerm- und Kuehlschacht und im Brennraum liegender Foerdereinrichtung
KR920007174Y1 (ko) 용광로 내부 관찰구
JPS5734198A (en) Fuel mixture for blast furnace
SU792053A1 (ru) Топливосжигающее устройство вращающейс печи
US1299530A (en) Blowpipe.
GB231139A (en) Improvements in or relating to rotary kilns and methods of operating them
DE319807C (de) Selbsttaetige Feuerung mit wandernder Brennstoffschicht fuer schwer entzuendbare, gasarme, feste Brennstoffe mit einer Hilfsfeuerung fuer fluessigen oder gasfoermigen Brennstoff
DE830170C (de) Verfahren zum Betrieb von Drehrohroefen und Drehrohrofen zur Durchfuehrung des Verfahrens
SU279855A1 (pt)
GB1341278A (en) Calcining apparatus
ATE97226T1 (de) Tunnelofen zum brennen von verbrennbare stoffe enthaltendem brenngut.
SU954758A2 (ru) Сопло
US1038677A (en) Furnace.

Legal Events

Date Code Title Description
B09A Decision: intention to grant [chapter 9.1 patent gazette]