CL2009000383A1 - Un metodo para calcinar yeso, que comprende inyectar yeso en un reactor a presion, inyectar gases de combustion y aire en el reactor a presion, para crear un lecho fluidizado, y calentar el lecho fluidizado para formar un hemihidrato calcinado; y aparato para calcinar yeso en forma continua. - Google Patents

Un metodo para calcinar yeso, que comprende inyectar yeso en un reactor a presion, inyectar gases de combustion y aire en el reactor a presion, para crear un lecho fluidizado, y calentar el lecho fluidizado para formar un hemihidrato calcinado; y aparato para calcinar yeso en forma continua.

Info

Publication number
CL2009000383A1
CL2009000383A1 CL2009000383A CL2009000383A CL2009000383A1 CL 2009000383 A1 CL2009000383 A1 CL 2009000383A1 CL 2009000383 A CL2009000383 A CL 2009000383A CL 2009000383 A CL2009000383 A CL 2009000383A CL 2009000383 A1 CL2009000383 A1 CL 2009000383A1
Authority
CL
Chile
Prior art keywords
gypsum
fluidized bed
pressure reactor
injecting
calcine
Prior art date
Application number
CL2009000383A
Other languages
English (en)
Inventor
Wenqi Luan
Qinxia Liu
Original Assignee
United States Gypsum Co
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 United States Gypsum Co filed Critical United States Gypsum Co
Publication of CL2009000383A1 publication Critical patent/CL2009000383A1/es

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
    • C04B11/00—Calcium sulfate cements
    • C04B11/02—Methods and apparatus for dehydrating gypsum
    • C04B11/028—Devices therefor characterised by the type of calcining devices used therefor or by the type of hemihydrate obtained
    • C04B11/0283—Fluidised beds
    • 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
    • C04B11/00—Calcium sulfate cements
    • C04B11/02—Methods and apparatus for dehydrating gypsum
    • C04B11/028—Devices therefor characterised by the type of calcining devices used therefor or by the type of hemihydrate obtained
    • C04B11/036—Devices therefor characterised by the type of calcining devices used therefor or by the type of hemihydrate obtained for the dry process, e.g. dehydrating in a fluidised bed or in a rotary kiln, i.e. to obtain beta-hemihydrate
    • 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 peculiar to furnaces of these types
    • F27B15/10—Arrangements of air or gas supply devices

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
  • Crucibles And Fluidized-Bed Furnaces (AREA)
  • Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)

Abstract

Método para calcinar yeso que comprende inyectar yeso en un reactor a presión, inyectar gases de combustión y aire en el reactor para crear un lecho fluidizado de yeso y calentar dicho lecho en el reactor a presión para calcinar el yeso para formar un hemihidrato calcinado; y aparato para calcinar yeso en forma continua.
CL2009000383A 2008-02-19 2009-02-19 Un metodo para calcinar yeso, que comprende inyectar yeso en un reactor a presion, inyectar gases de combustion y aire en el reactor a presion, para crear un lecho fluidizado, y calentar el lecho fluidizado para formar un hemihidrato calcinado; y aparato para calcinar yeso en forma continua. CL2009000383A1 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US2972508P 2008-02-19 2008-02-19
US10790108P 2008-10-23 2008-10-23

Publications (1)

Publication Number Publication Date
CL2009000383A1 true CL2009000383A1 (es) 2010-09-10

Family

ID=40985879

Family Applications (1)

Application Number Title Priority Date Filing Date
CL2009000383A CL2009000383A1 (es) 2008-02-19 2009-02-19 Un metodo para calcinar yeso, que comprende inyectar yeso en un reactor a presion, inyectar gases de combustion y aire en el reactor a presion, para crear un lecho fluidizado, y calentar el lecho fluidizado para formar un hemihidrato calcinado; y aparato para calcinar yeso en forma continua.

Country Status (17)

Country Link
US (1) US7815889B2 (es)
EP (1) EP2254837A4 (es)
JP (1) JP5439643B2 (es)
CN (1) CN101952203B (es)
AR (1) AR070616A1 (es)
AU (1) AU2009215632B2 (es)
BR (1) BRPI0905983A2 (es)
CA (1) CA2715793A1 (es)
CL (1) CL2009000383A1 (es)
CO (1) CO6251305A2 (es)
MX (1) MX2010009047A (es)
MY (1) MY158232A (es)
NZ (1) NZ587328A (es)
RU (1) RU2506227C2 (es)
TW (1) TWI432393B (es)
UA (1) UA103890C2 (es)
WO (1) WO2009105424A1 (es)

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EP2163532A1 (de) * 2008-09-11 2010-03-17 Claudius Peters Technologies GmbH Verfahren und Anlage zur Herstellung von Hartgips
FR2944344B1 (fr) * 2009-04-10 2013-12-27 Inst Francais Du Petrole Four tournant pour traitement thermique de materiaux solides
US7897134B1 (en) * 2009-08-07 2011-03-01 Alstom Technology Ltd System and method for calcining gypsum
US8523496B2 (en) * 2010-02-10 2013-09-03 Kior, Inc. Biomass feed system/process
EP2641884A1 (fr) * 2012-03-21 2013-09-25 Greenmade Development Limited Procédé de préparation de liants hydrauliques comprenant un mélange de clinker, ou de ciment, sulfo-alumineux et de sulfates de calcium
US20140113241A1 (en) * 2012-10-22 2014-04-24 United States Gypsum Company Calcining kettle
US9504983B2 (en) * 2013-10-09 2016-11-29 Karlton D. Krause System and method for converting biomass into fuel, oil and other useful products
JP5909568B2 (ja) * 2014-02-17 2016-04-26 月島機械株式会社 流動層装置
MX2017010868A (es) * 2015-02-25 2017-12-07 Yoshino Gypsum Co Aparato y metodo para calcinacion de yeso.
CN205797218U (zh) * 2016-07-12 2016-12-14 山东博瑞新材料科技有限公司 一种粉末固体反应器
MX2019000917A (es) * 2016-08-10 2019-05-20 Yoshino Gypsum Co Aparato y metodo para tratar yeso.
US10023496B1 (en) 2017-06-16 2018-07-17 United States Gypsum Company No fiber calcination of gypsum for gypsum fiberboard
CN112299735A (zh) * 2020-10-29 2021-02-02 中科院过程工程研究所南京绿色制造产业创新研究院 一种制备高强度石膏的方法
EP4033188A1 (en) * 2021-01-20 2022-07-27 Saint-Gobain Placo Industrial calcination apparatus
DE102021205828A1 (de) * 2021-06-09 2022-12-15 Refratechnik Holding Gmbh Verfahren und Vorrichtung zur Herstellung eines calcinierten Materials
CA3231612A1 (en) * 2021-09-17 2023-03-23 Blair Walker System and method for manufacturing calcined gypsum with in-line calcination control device
CN114213044B (zh) * 2021-12-31 2022-08-05 镇江吉邦材料科技有限公司 一种以天然气为热源的脱硫石膏煅烧工艺
WO2023237231A1 (en) 2022-06-08 2023-12-14 Knauf Gips Kg Process and system for the calcination of gypsum
CN114956623B (zh) * 2022-07-05 2023-03-21 重庆谋先智能科技有限公司 一种节能式fgd煅烧系统

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DE1940007B2 (de) * 1969-08-06 1973-06-07 Rheinstahl Ag, 4300 Essen Verfahren zum brennen von gips in einem heizgasstrom
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Also Published As

Publication number Publication date
BRPI0905983A2 (pt) 2015-06-30
CA2715793A1 (en) 2009-08-27
WO2009105424A1 (en) 2009-08-27
RU2506227C2 (ru) 2014-02-10
JP2011512317A (ja) 2011-04-21
EP2254837A4 (en) 2012-01-25
AU2009215632B2 (en) 2013-11-28
US7815889B2 (en) 2010-10-19
UA103890C2 (uk) 2013-12-10
TW200942502A (en) 2009-10-16
CN101952203A (zh) 2011-01-19
JP5439643B2 (ja) 2014-03-12
CO6251305A2 (es) 2011-02-21
MX2010009047A (es) 2010-09-10
TWI432393B (zh) 2014-04-01
RU2010136669A (ru) 2012-03-27
EP2254837A1 (en) 2010-12-01
MY158232A (en) 2016-09-15
AR070616A1 (es) 2010-04-21
NZ587328A (en) 2012-03-30
US20090257946A1 (en) 2009-10-15
AU2009215632A1 (en) 2009-08-27
CN101952203B (zh) 2013-08-14

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