AR062908A1 - Proceso para fabricar mezcla de estuco (alfa) y (beta) de consistencia ultra fluida - Google Patents

Proceso para fabricar mezcla de estuco (alfa) y (beta) de consistencia ultra fluida

Info

Publication number
AR062908A1
AR062908A1 ARP070104143A ARP070104143A AR062908A1 AR 062908 A1 AR062908 A1 AR 062908A1 AR P070104143 A ARP070104143 A AR P070104143A AR P070104143 A ARP070104143 A AR P070104143A AR 062908 A1 AR062908 A1 AR 062908A1
Authority
AR
Argentina
Prior art keywords
calcium sulfate
beta
slurry
hemihydrate
estuco
Prior art date
Application number
ARP070104143A
Other languages
English (en)
Inventor
Michael R Lynn
Weixin David Song
Qiang Yu
Michael Lee Cloud
Qingxia 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 AR062908A1 publication Critical patent/AR062908A1/es

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F11/00—Compounds of calcium, strontium, or barium
    • C01F11/46—Sulfates
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F11/00—Compounds of calcium, strontium, or barium
    • C01F11/46—Sulfates
    • C01F11/466—Conversion of one form of calcium sulfate to another
    • 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
    • C04B11/002—Mixtures of different CaSO4-modifications, e.g. plaster of Paris and anhydrite, used as cements
    • 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
    • C04B11/024—Ingredients added before, or during, the calcining process, e.g. calcination modifiers
    • 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
    • C04B11/032—Devices therefor characterised by the type of calcining devices used therefor or by the type of hemihydrate obtained for the wet process, e.g. dehydrating in solution or under saturated vapour conditions, i.e. to obtain alpha-hemihydrate

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Catalysts (AREA)

Abstract

Un proceso para hacer una mezcla de estuco alfa y beta que incluye un paso de calcinacion de la lechada para producir alfa hemihidrato de sulfato de calcio seguido de un paso de calcinacion en lecho fluidizado para producir beta hemihidrato de sulfato de calcio. El proceso comienza con una lechada que contiene 50-75% de solidos de yeso, y luego la lechada se calcina al vapor en un primer reactor para formar una lechada de yeso parcialmente calcinado que contiene sulfato de calcio dihidratado y alfa hemihidratado de sulfato de calcio. Luego se extrae el agua de la lechada parcialmente calcinada. Luego, la torta de filtrado se alimenta a un reactor para completar el proceso de calcinacion convirtiendo el sulfato de calcio dihidratado del material de la torta de filtrado en beta hemihidrato de sulfato de calcio.
ARP070104143A 2006-09-20 2007-09-19 Proceso para fabricar mezcla de estuco (alfa) y (beta) de consistencia ultra fluida AR062908A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11/533,604 US7588634B2 (en) 2006-09-20 2006-09-20 Process for manufacturing ultra low consistency alpha- and beta- blend stucco

Publications (1)

Publication Number Publication Date
AR062908A1 true AR062908A1 (es) 2008-12-17

Family

ID=39188831

Family Applications (1)

Application Number Title Priority Date Filing Date
ARP070104143A AR062908A1 (es) 2006-09-20 2007-09-19 Proceso para fabricar mezcla de estuco (alfa) y (beta) de consistencia ultra fluida

Country Status (19)

Country Link
US (1) US7588634B2 (es)
EP (1) EP2069243B1 (es)
JP (1) JP5384351B2 (es)
KR (1) KR101421273B1 (es)
CN (1) CN101516783B (es)
AR (1) AR062908A1 (es)
AU (1) AU2007297815B2 (es)
BR (1) BRPI0715158A2 (es)
CA (1) CA2662895C (es)
CO (1) CO6170352A2 (es)
HR (1) HRP20090200A2 (es)
IL (1) IL197489A0 (es)
MX (1) MX2009002882A (es)
NO (1) NO20091529L (es)
NZ (1) NZ575529A (es)
RU (1) RU2458014C2 (es)
TW (1) TW200837015A (es)
WO (1) WO2008036160A2 (es)
ZA (1) ZA200902621B (es)

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US9802866B2 (en) 2005-06-09 2017-10-31 United States Gypsum Company Light weight gypsum board
US9840066B2 (en) 2005-06-09 2017-12-12 United States Gypsum Company Light weight gypsum board
US11338548B2 (en) 2005-06-09 2022-05-24 United States Gypsum Company Light weight gypsum board
MY150755A (en) * 2006-12-20 2014-02-28 Nugyp Corp Calcium sulfate hemihydrate treatment process
US20090208392A1 (en) * 2008-02-14 2009-08-20 Georgia-Pacific Gypsum, Llc Process for producing alpha-hemihydrate gypsum
EP2116294A1 (de) * 2008-05-09 2009-11-11 Claudius Peters Technologies GmbH Kalzinierverfahren und- anlage
EP2163532A1 (de) * 2008-09-11 2010-03-17 Claudius Peters Technologies GmbH Verfahren und Anlage zur Herstellung von Hartgips
EP2418184B2 (de) 2010-08-12 2021-02-17 Lindner GFT GmbH Verfahren zur Herstellung von alpha-Calciumsulfat-Halbhydrat
US10076853B2 (en) 2010-12-30 2018-09-18 United States Gypsum Company Slurry distributor, system, and method for using same
US9296124B2 (en) 2010-12-30 2016-03-29 United States Gypsum Company Slurry distributor with a wiping mechanism, system, and method for using same
US9999989B2 (en) 2010-12-30 2018-06-19 United States Gypsum Company Slurry distributor with a profiling mechanism, system, and method for using same
CA2823347C (en) 2010-12-30 2019-05-07 United States Gypsum Company Slurry distributor, system and method for using same
CA2823356C (en) 2010-12-30 2020-02-25 United States Gypsum Company Slurry distribution system and method
JP6246722B2 (ja) 2011-10-24 2017-12-13 ユナイテッド・ステイツ・ジプサム・カンパニー セメント質水性スラリ分配用多脚排出ブーツ、石膏スラリの混合および分配アセンブリ、ならびにセメント質の製品を調合する方法
US10293522B2 (en) 2011-10-24 2019-05-21 United States Gypsum Company Multi-piece mold and method of making slurry distributor
CA2851527C (en) 2011-10-24 2020-03-10 Alfred Li Flow splitter for slurry distribution system
GB2497574B (en) 2011-12-15 2019-10-02 Saint Gobain Placo Sas A method of forming a gypsum based product
US8343273B1 (en) * 2012-03-30 2013-01-01 United States Gypsum Company Method of modifying beta stucco using diethylene-triamine-pentaacetic acid
US9540810B2 (en) 2012-10-23 2017-01-10 United States Gypsum Company Pregelatinized starch with mid-range viscosity, and product, slurry and methods related thereto
US9828441B2 (en) 2012-10-23 2017-11-28 United States Gypsum Company Method of preparing pregelatinized, partially hydrolyzed starch and related methods and products
US10399899B2 (en) 2012-10-23 2019-09-03 United States Gypsum Company Pregelatinized starch with mid-range viscosity, and product, slurry and methods related thereto
US10059033B2 (en) 2014-02-18 2018-08-28 United States Gypsum Company Cementitious slurry mixing and dispensing system with pulser assembly and method for using same
US20150376063A1 (en) * 2014-06-27 2015-12-31 Boral Ip Holdings (Australia) Pty Limited Ultra-Lightweight Gypsum Wallboard
US10309771B2 (en) 2015-06-11 2019-06-04 United States Gypsum Company System and method for determining facer surface smoothness
CN105858705A (zh) * 2016-03-30 2016-08-17 东南大学 一种用废硫酸溶液制备低游离水含量二水石膏的方法
EP3284723A1 (de) * 2016-08-17 2018-02-21 Claudius Peters Projects GmbH Zweistufiges kalzinierverfahren sowie anlage hierfür
WO2019165578A1 (zh) * 2018-02-27 2019-09-06 江苏一夫科技股份有限公司 一种转晶剂以及使用其制备α型高强石膏的用途
CA3208725A1 (en) 2021-02-19 2022-08-25 Knauf Gips Kg High solids, sprayable setting type joint compound
CN113149513B (zh) * 2021-05-12 2023-05-16 太原科技大学 一种煅烧建筑石膏用增强转晶助剂及其制备方法
CN113480209A (zh) * 2021-07-16 2021-10-08 昆明理工大学 一种干法制备高强建筑石膏的方法
WO2023229996A1 (en) 2022-05-27 2023-11-30 United States Gypsum Company Pottery plaster formula with increased porosity

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Also Published As

Publication number Publication date
KR101421273B1 (ko) 2014-07-18
IL197489A0 (en) 2009-12-24
WO2008036160A2 (en) 2008-03-27
WO2008036160A3 (en) 2008-07-24
CA2662895C (en) 2012-05-01
WO2008036160A8 (en) 2009-04-16
AU2007297815A1 (en) 2008-03-27
NO20091529L (no) 2009-04-17
JP5384351B2 (ja) 2014-01-08
EP2069243A4 (en) 2011-10-05
BRPI0715158A2 (pt) 2013-06-04
CN101516783A (zh) 2009-08-26
CN101516783B (zh) 2012-10-17
US20080069762A1 (en) 2008-03-20
US7588634B2 (en) 2009-09-15
CO6170352A2 (es) 2010-06-18
ZA200902621B (en) 2010-03-31
AU2007297815B2 (en) 2012-09-20
KR20090064564A (ko) 2009-06-19
EP2069243A2 (en) 2009-06-17
EP2069243B1 (en) 2017-06-21
JP2010504271A (ja) 2010-02-12
TW200837015A (en) 2008-09-16
NZ575529A (en) 2011-05-27
HRP20090200A2 (en) 2009-06-30
CA2662895A1 (en) 2008-03-27
MX2009002882A (es) 2009-03-30
RU2009110959A (ru) 2010-11-10
RU2458014C2 (ru) 2012-08-10

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