WO2008057274A3 - Method for wet mixing cementitious slurry for fiber-reinforced structural cement panels - Google Patents

Method for wet mixing cementitious slurry for fiber-reinforced structural cement panels Download PDF

Info

Publication number
WO2008057274A3
WO2008057274A3 PCT/US2007/022694 US2007022694W WO2008057274A3 WO 2008057274 A3 WO2008057274 A3 WO 2008057274A3 US 2007022694 W US2007022694 W US 2007022694W WO 2008057274 A3 WO2008057274 A3 WO 2008057274A3
Authority
WO
WIPO (PCT)
Prior art keywords
slurry
fiber
mixing
wet mixing
cementitious slurry
Prior art date
Application number
PCT/US2007/022694
Other languages
French (fr)
Other versions
WO2008057274A2 (en
Inventor
Lloyd M George
Ashish Dubey
Eugene Scott Stivender
Original Assignee
United States Gypsum Co
Lloyd M George
Ashish Dubey
Eugene Scott Stivender
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, Lloyd M George, Ashish Dubey, Eugene Scott Stivender filed Critical United States Gypsum Co
Priority to NZ576395A priority Critical patent/NZ576395A/en
Priority to CA 2668160 priority patent/CA2668160A1/en
Priority to JP2009535282A priority patent/JP2010508179A/en
Priority to EP07852972A priority patent/EP2086754A4/en
Priority to BRPI0718107-8A2A priority patent/BRPI0718107A2/en
Priority to MX2009004595A priority patent/MX2009004595A/en
Priority to AU2007318084A priority patent/AU2007318084A1/en
Publication of WO2008057274A2 publication Critical patent/WO2008057274A2/en
Publication of WO2008057274A3 publication Critical patent/WO2008057274A3/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
    • B28C5/08—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions using driven mechanical means affecting the mixing
    • B28C5/10—Mixing in containers not actuated to effect the mixing
    • B28C5/12—Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials, e.g. with incorporated feeding or discharging means or with oscillating stirrers
    • B28C5/1238—Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials, e.g. with incorporated feeding or discharging means or with oscillating stirrers for materials flowing continuously through the mixing device and with incorporated feeding or discharging devices
    • B28C5/1276—Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials, e.g. with incorporated feeding or discharging means or with oscillating stirrers for materials flowing continuously through the mixing device and with incorporated feeding or discharging devices with consecutive separate containers with rotating stirring and feeding or discharging means
    • B28C5/1284—Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials, e.g. with incorporated feeding or discharging means or with oscillating stirrers for materials flowing continuously through the mixing device and with incorporated feeding or discharging devices with consecutive separate containers with rotating stirring and feeding or discharging means having a feeding hopper and consecutive vertical or inclined mixing container fed at its upper part
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/50—Mixing liquids with solids
    • B01F23/53—Mixing liquids with solids using driven stirrers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/60—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis
    • B01F27/62—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis comprising liquid feeding, e.g. spraying means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/60—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis
    • B01F27/70—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis with paddles, blades or arms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
    • B01F27/96—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with openwork frames or cages
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F33/00—Other mixers; Mixing plants; Combinations of mixers
    • B01F33/80—Mixing plants; Combinations of mixers
    • B01F33/82—Combinations of dissimilar mixers
    • B01F33/821—Combinations of dissimilar mixers with consecutive receptacles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/71—Feed mechanisms
    • B01F35/717—Feed mechanisms characterised by the means for feeding the components to the mixer
    • B01F35/71775—Feed mechanisms characterised by the means for feeding the components to the mixer using helical screws
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28C7/00—Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
    • B28C7/04—Supplying or proportioning the ingredients
    • B28C7/0404—Proportioning
    • B28C7/0418—Proportioning control systems therefor
    • 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
    • C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/14—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate 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
    • C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
    • C04B40/0028—Aspects relating to the mixing step of the mortar preparation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B19/00—Machines or methods for applying the material to surfaces to form a permanent layer thereon
    • B28B19/0092—Machines or methods for applying the material to surfaces to form a permanent layer thereon to webs, sheets or the like, e.g. of paper, cardboard
    • 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
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/91—Use of waste materials as fillers for mortars or concrete

Abstract

A process employing a wet mixer having a vertical mixing chamber for forming a wet slurry of a cementitious powder and liquid. The vertical mixing chamber is designed to provide the required amount of mixing to provide thoroughly mixed, uniformly thin slurry within a mixing residence time that allows for adequate supply of slurry to ensure continuous operation of an associated cement panel production line. Gravity feed means for supply of cementitious powder and water to the slurry mixing area of the chamber is also disclosed.
PCT/US2007/022694 2006-11-01 2007-10-26 Method for wet mixing cementitious slurry for fiber-reinforced structural cement panels WO2008057274A2 (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
NZ576395A NZ576395A (en) 2006-11-01 2007-10-26 Method for wet mixing cementitious slurry for fiber-reinforced structural cement panels
CA 2668160 CA2668160A1 (en) 2006-11-01 2007-10-26 Method for wet mixing cementitious slurry for fiber-reinforced structural cement panels
JP2009535282A JP2010508179A (en) 2006-11-01 2007-10-26 Method for wet mixing cement slurry for fiber reinforced structural cement panels
EP07852972A EP2086754A4 (en) 2006-11-01 2007-10-26 Method for wet mixing cementitious slurry for fiber-reinforced structural cement panels
BRPI0718107-8A2A BRPI0718107A2 (en) 2006-11-01 2007-10-26 METHOD TO PREPARE A LIGHT WEIGHT CEMENT COMPOSITE FOLDER
MX2009004595A MX2009004595A (en) 2006-11-01 2007-10-26 Method for wet mixing cementitious slurry for fiber-reinforced structural cement panels.
AU2007318084A AU2007318084A1 (en) 2006-11-01 2007-10-26 Method for wet mixing cementitious slurry for fiber-reinforced structural cement panels

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/555,655 US7524386B2 (en) 2006-11-01 2006-11-01 Method for wet mixing cementitious slurry for fiber-reinforced structural cement panels
US11/555,655 2006-11-01

Publications (2)

Publication Number Publication Date
WO2008057274A2 WO2008057274A2 (en) 2008-05-15
WO2008057274A3 true WO2008057274A3 (en) 2008-07-31

Family

ID=39329918

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2007/022694 WO2008057274A2 (en) 2006-11-01 2007-10-26 Method for wet mixing cementitious slurry for fiber-reinforced structural cement panels

Country Status (12)

Country Link
US (1) US7524386B2 (en)
EP (1) EP2086754A4 (en)
JP (1) JP2010508179A (en)
CN (1) CN101573226A (en)
AU (1) AU2007318084A1 (en)
BR (1) BRPI0718107A2 (en)
CA (1) CA2668160A1 (en)
CL (1) CL2007003124A1 (en)
MX (1) MX2009004595A (en)
NZ (1) NZ576395A (en)
RU (1) RU2009120412A (en)
WO (1) WO2008057274A2 (en)

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