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WO2014206417A3 - A method and apparatus for removing contaminants from particulate material - Google Patents

A method and apparatus for removing contaminants from particulate material Download PDF

Info

Publication number
WO2014206417A3
WO2014206417A3 PCT/DK2014/050186 DK2014050186W WO2014206417A3 WO 2014206417 A3 WO2014206417 A3 WO 2014206417A3 DK 2014050186 W DK2014050186 W DK 2014050186W WO 2014206417 A3 WO2014206417 A3 WO 2014206417A3
Authority
WO
WIPO (PCT)
Prior art keywords
contaminants
particulate material
compartment
end together
venting gas
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.)
Ceased
Application number
PCT/DK2014/050186
Other languages
French (fr)
Other versions
WO2014206417A2 (en
Inventor
Martin Hagsted RASMUSSEN
Kim Haugaard PEDERSEN
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 AS
Original Assignee
FLSmidth 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 AS filed Critical FLSmidth AS
Publication of WO2014206417A2 publication Critical patent/WO2014206417A2/en
Publication of WO2014206417A3 publication Critical patent/WO2014206417A3/en
Anticipated expiration legal-status Critical
Ceased 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
    • C04B7/436—Special arrangements for treating part or all of the cement kiln dust
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09C—RECLAMATION OF CONTAMINATED SOIL
    • B09C1/00—Reclamation of contaminated soil
    • B09C1/06—Reclamation of contaminated soil thermally
    • 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
    • F27B15/00—Fluidised-bed furnaces; Other furnaces using or treating finely-divided materials in dispersion
    • F27B15/006—Equipment for treating dispersed material falling under gravity with ascending gases
    • 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
    • F27B15/00—Fluidised-bed furnaces; Other furnaces using or treating finely-divided materials in dispersion
    • F27B15/02—Details, accessories or equipment specially adapted for furnaces of these types
    • 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
    • F27B15/00—Fluidised-bed furnaces; Other furnaces using or treating finely-divided materials in dispersion
    • F27B15/02—Details, accessories or equipment specially adapted for furnaces of these types
    • F27B15/10—Arrangements of air or gas supply devices
    • 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
    • F27B15/00—Fluidised-bed furnaces; Other furnaces using or treating finely-divided materials in dispersion
    • F27B15/02—Details, accessories or equipment specially adapted for furnaces of these types
    • F27B15/14—Arrangements of heating devices
    • 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
    • F27B15/00—Fluidised-bed furnaces; Other furnaces using or treating finely-divided materials in dispersion
    • F27B15/02—Details, accessories or equipment specially adapted for furnaces of these types
    • F27B15/18—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
    • F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
    • F27D17/20—Arrangements for treatment or cleaning of waste gases
    • 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
    • F27D99/00—Subject matter not provided for in other groups of this subclass
    • F27D99/0001—Heating elements or systems
    • F27D99/0033—Heating elements or systems using burners
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/28—Manufacture of steel in the converter
    • C21C5/38—Removal of waste gases or dust
    • 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)
  • Dispersion Chemistry (AREA)
  • Ceramic Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Soil Sciences (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Processing Of Solid Wastes (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)

Abstract

Described is a method as well as an apparatus for removing vaporizable contaminants from a particulate material, by which method the contaminants are inhibited from escaping the compartment at the second end together with the particulate material and transporting the vaporized contaminants towards the first end together with the venting gas, said venting gas acting as a carrier gas, condensing contaminants onto said particulate material in a condensing temperature region having temperatures higher than the initial temperature but lower than the vaporizing temperature such that the contaminants are inhibited from escaping the compartment at the first end together with the venting gas such that said contaminants are continuously vaporized and condensed in an internal vaporization-condensation cycle in the compartment thereby gradually accumulating the contaminants in the compartment. The invention also relates to an apparatus for carrying out the method and the use of such apparatus.
PCT/DK2014/050186 2013-06-24 2014-06-24 A method and apparatus for removing contaminants from particulate material Ceased WO2014206417A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DKPA201370346 2013-06-24
DKPA201370346 2013-06-24

Publications (2)

Publication Number Publication Date
WO2014206417A2 WO2014206417A2 (en) 2014-12-31
WO2014206417A3 true WO2014206417A3 (en) 2015-05-28

Family

ID=51022712

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DK2014/050186 Ceased WO2014206417A2 (en) 2013-06-24 2014-06-24 A method and apparatus for removing contaminants from particulate material

Country Status (1)

Country Link
WO (1) WO2014206417A2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106623394A (en) * 2017-01-09 2017-05-10 中城环境技术（天津）有限公司 Suspension thermal desorption furnace for restoring organic contaminated soil
NL2020846B1 (en) * 2018-04-30 2019-11-07 C2Ca Tech B V Cement waste recycling device and method of recycling cement waste

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5176087A (en) * 1991-12-17 1993-01-05 Roy F. Weston, Inc. Apparatus and method for low temperature thermal stripping of volatile organic compounds from soil and waste materials with non-oxidative cross-sweep gases
WO1998018577A1 (en) * 1996-10-31 1998-05-07 Astec Industries, Inc. Treatment of contaminated particulate material by low-temperature thermal desorption with indirect heating
US5938433A (en) * 1996-05-30 1999-08-17 Cedarapids, Inc. Soil remediation system having heat-loss dust decontamination apparatus

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5176087A (en) * 1991-12-17 1993-01-05 Roy F. Weston, Inc. Apparatus and method for low temperature thermal stripping of volatile organic compounds from soil and waste materials with non-oxidative cross-sweep gases
US5938433A (en) * 1996-05-30 1999-08-17 Cedarapids, Inc. Soil remediation system having heat-loss dust decontamination apparatus
WO1998018577A1 (en) * 1996-10-31 1998-05-07 Astec Industries, Inc. Treatment of contaminated particulate material by low-temperature thermal desorption with indirect heating

Also Published As

Publication number Publication date
WO2014206417A2 (en) 2014-12-31

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