ZA200606856B - Process and apparatus for manufacturing set cellular cement - Google Patents
Process and apparatus for manufacturing set cellular cement Download PDFInfo
- Publication number
- ZA200606856B ZA200606856B ZA200606856A ZA200606856A ZA200606856B ZA 200606856 B ZA200606856 B ZA 200606856B ZA 200606856 A ZA200606856 A ZA 200606856A ZA 200606856 A ZA200606856 A ZA 200606856A ZA 200606856 B ZA200606856 B ZA 200606856B
- Authority
- ZA
- South Africa
- Prior art keywords
- slurry
- mixer
- mixing device
- cement
- shear
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 67
- 230000008569 process Effects 0.000 title claims description 64
- 239000004568 cement Substances 0.000 title claims description 35
- 230000001413 cellular effect Effects 0.000 title claims description 33
- 238000004519 manufacturing process Methods 0.000 title claims description 21
- 239000002002 slurry Substances 0.000 claims description 134
- 238000002156 mixing Methods 0.000 claims description 66
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 52
- 239000006260 foam Substances 0.000 claims description 35
- 239000011505 plaster Substances 0.000 claims description 33
- 239000000463 material Substances 0.000 claims description 30
- 239000004088 foaming agent Substances 0.000 claims description 22
- 239000000654 additive Substances 0.000 claims description 21
- 239000000203 mixture Substances 0.000 claims description 21
- 239000000835 fiber Substances 0.000 claims description 17
- 238000002347 injection Methods 0.000 claims description 15
- 239000007924 injection Substances 0.000 claims description 15
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical group [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 claims description 7
- 239000012530 fluid Substances 0.000 claims description 7
- 239000011521 glass Substances 0.000 claims description 6
- 239000011148 porous material Substances 0.000 claims description 6
- 239000011347 resin Substances 0.000 claims description 5
- 229920005989 resin Polymers 0.000 claims description 5
- 238000003892 spreading Methods 0.000 claims description 5
- 230000007480 spreading Effects 0.000 claims description 5
- 238000005266 casting Methods 0.000 claims description 4
- 239000000945 filler Substances 0.000 claims description 4
- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 claims description 3
- 238000010924 continuous production Methods 0.000 claims description 3
- 239000000123 paper Substances 0.000 claims description 3
- 229920001495 poly(sodium acrylate) polymer Polymers 0.000 claims description 3
- NNMHYFLPFNGQFZ-UHFFFAOYSA-M sodium polyacrylate Chemical compound [Na+].[O-]C(=O)C=C NNMHYFLPFNGQFZ-UHFFFAOYSA-M 0.000 claims description 3
- 230000008774 maternal effect Effects 0.000 claims description 2
- YPPQYORGOMWNMX-UHFFFAOYSA-L sodium phosphonate pentahydrate Chemical compound [Na+].[Na+].[O-]P([O-])=O YPPQYORGOMWNMX-UHFFFAOYSA-L 0.000 claims description 2
- 239000003381 stabilizer Substances 0.000 claims description 2
- 229920003048 styrene butadiene rubber Polymers 0.000 claims description 2
- 239000004034 viscosity adjusting agent Substances 0.000 claims description 2
- NWONKYPBYAMBJT-UHFFFAOYSA-L zinc sulfate Chemical compound [Zn+2].[O-]S([O-])(=O)=O NWONKYPBYAMBJT-UHFFFAOYSA-L 0.000 claims description 2
- 229960001763 zinc sulfate Drugs 0.000 claims description 2
- 229910000368 zinc sulfate Inorganic materials 0.000 claims description 2
- 230000000979 retarding effect Effects 0.000 claims 4
- 238000000151 deposition Methods 0.000 claims 3
- 230000002708 enhancing effect Effects 0.000 claims 2
- 210000004027 cell Anatomy 0.000 claims 1
- 210000003850 cellular structure Anatomy 0.000 claims 1
- 239000003570 air Substances 0.000 description 79
- 238000009826 distribution Methods 0.000 description 16
- 239000007788 liquid Substances 0.000 description 12
- 239000010440 gypsum Substances 0.000 description 11
- 229910052602 gypsum Inorganic materials 0.000 description 11
- 239000000047 product Substances 0.000 description 6
- 239000011800 void material Substances 0.000 description 6
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 5
- 238000013461 design Methods 0.000 description 5
- 230000002349 favourable effect Effects 0.000 description 5
- 229940072033 potash Drugs 0.000 description 5
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Substances [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 5
- 235000015320 potassium carbonate Nutrition 0.000 description 5
- 239000004094 surface-active agent Substances 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000002902 bimodal effect Effects 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 239000012209 synthetic fiber Substances 0.000 description 3
- 229920002994 synthetic fiber Polymers 0.000 description 3
- 235000019738 Limestone Nutrition 0.000 description 2
- 239000004721 Polyphenylene oxide Substances 0.000 description 2
- 238000013019 agitation Methods 0.000 description 2
- 239000002981 blocking agent Substances 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005188 flotation Methods 0.000 description 2
- 239000010881 fly ash Substances 0.000 description 2
- 229910021485 fumed silica Inorganic materials 0.000 description 2
- 239000006028 limestone Substances 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000004570 mortar (masonry) Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000004014 plasticizer Substances 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 229920000570 polyether Polymers 0.000 description 2
- -1 polyphenolic Polymers 0.000 description 2
- 229920002635 polyurethane Polymers 0.000 description 2
- 239000004814 polyurethane Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000009666 routine test Methods 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 150000005846 sugar alcohols Polymers 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 235000001018 Hibiscus sabdariffa Nutrition 0.000 description 1
- 241000257303 Hymenoptera Species 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 239000011398 Portland cement Substances 0.000 description 1
- 235000005291 Rumex acetosa Nutrition 0.000 description 1
- 240000007001 Rumex acetosella Species 0.000 description 1
- 241000555745 Sciuridae Species 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 239000011149 active material Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 150000008051 alkyl sulfates Chemical class 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical class [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- 229910052925 anhydrite Inorganic materials 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 239000003139 biocide Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 230000001143 conditioned effect Effects 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 229920002313 fluoropolymer Polymers 0.000 description 1
- 239000004811 fluoropolymer Substances 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 239000006101 laboratory sample Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 239000004005 microsphere Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000009740 moulding (composite fabrication) Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000010451 perlite Substances 0.000 description 1
- 235000019362 perlite Nutrition 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920002492 poly(sulfone) Polymers 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229920001021 polysulfide Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 239000001397 quillaja saponaria molina bark Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000005871 repellent Substances 0.000 description 1
- 230000002940 repellent Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 229930182490 saponin Natural products 0.000 description 1
- 150000007949 saponins Chemical class 0.000 description 1
- 235000003513 sheep sorrel Nutrition 0.000 description 1
- 229910021487 silica fume Inorganic materials 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 229920001897 terpolymer Polymers 0.000 description 1
- 238000012956 testing procedure Methods 0.000 description 1
- 239000010455 vermiculite Substances 0.000 description 1
- 235000019354 vermiculite Nutrition 0.000 description 1
- 229910052902 vermiculite Inorganic materials 0.000 description 1
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
-
- 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
- B28C5/1269—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 for making cellular concrete
-
- 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
- B01F27/05—Stirrers
- B01F27/09—Stirrers characterised by the mounting of the stirrers with respect to the receptacle
- B01F27/091—Stirrers characterised by the mounting of the stirrers with respect to the receptacle with elements co-operating with receptacle wall or bottom, e.g. for scraping the receptacle wall
-
- 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
- B01F27/73—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis with rotary discs
-
- 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
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
- B28C5/38—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions wherein the mixing is effected both by the action of a fluid and by directly-acting driven mechanical means, e.g. stirring means ; Producing cellular concrete
- B28C5/381—Producing cellular concrete
- B28C5/383—Producing cellular concrete comprising stirrers to effect the mixing
-
- 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
- C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
-
- 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
- C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
- C04B38/007—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof characterised by the pore distribution, e.g. inhomogeneous distribution of pores
- C04B38/0074—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof characterised by the pore distribution, e.g. inhomogeneous distribution of pores expressed as porosity percentage
-
- 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
- C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
- C04B38/007—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof characterised by the pore distribution, e.g. inhomogeneous distribution of pores
- C04B38/0077—Materials with a non-porous skin
-
- 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
- C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
- C04B38/10—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by using foaming agents or by using mechanical means, e.g. adding preformed foam
-
- 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
-
- 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
-
- 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
- C04B40/005—High shear mixing; Obtaining macro-defect free materials
-
- 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
- C04B40/06—Inhibiting the setting, e.g. mortars of the deferred action type containing water in breakable containers ; Inhibiting the action of active ingredients
- C04B40/0658—Retarder inhibited mortars activated by the addition of accelerators or retarder-neutralising agents
-
- 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
- B01F27/61—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis about an inclined axis
-
- 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00612—Uses not provided for elsewhere in C04B2111/00 as one or more layers of a layered structure
- C04B2111/0062—Gypsum-paper board like materials
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Structural Engineering (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- Inorganic Chemistry (AREA)
- Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
- Treatment Of Sludge (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP04290494A EP1568671B9 (en) | 2004-02-24 | 2004-02-24 | Process and apparatus for manufacturing a set cellular cementitious body |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA200606856B true ZA200606856B (en) | 2007-11-28 |
Family
ID=34746143
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA200606856A ZA200606856B (en) | 2004-02-24 | 2006-08-17 | Process and apparatus for manufacturing set cellular cement |
Country Status (18)
Country | Link |
---|---|
US (2) | US8119207B2 (es) |
EP (1) | EP1568671B9 (es) |
KR (1) | KR101183916B1 (es) |
CN (1) | CN1922120B (es) |
AR (1) | AR050763A1 (es) |
AT (1) | ATE463471T1 (es) |
AU (1) | AU2005213907B2 (es) |
BR (1) | BRPI0507231A (es) |
CA (1) | CA2556584C (es) |
DE (1) | DE602004026400D1 (es) |
DK (1) | DK1568671T3 (es) |
ES (1) | ES2343958T3 (es) |
PL (1) | PL209099B1 (es) |
PT (1) | PT1568671E (es) |
RU (1) | RU2006130465A (es) |
SI (1) | SI1568671T1 (es) |
WO (1) | WO2005080294A1 (es) |
ZA (1) | ZA200606856B (es) |
Families Citing this family (66)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DK1568671T3 (da) | 2004-02-24 | 2010-07-26 | Lafarge Platres | Proces og apparatur til produktion af en hærdet, cellulær, cementlignende masse |
US7332114B2 (en) * | 2005-02-04 | 2008-02-19 | Lafarge Platres | Process for manufacturing sound absorbing cement tile |
US7731794B2 (en) | 2005-06-09 | 2010-06-08 | United States Gypsum Company | High starch light weight gypsum wallboard |
US20080070026A1 (en) * | 2005-06-09 | 2008-03-20 | United States Gypsum Company | High hydroxyethylated starch and high dispersant levels in gypsum wallboard |
USRE44070E1 (en) | 2005-06-09 | 2013-03-12 | United States Gypsum Company | Composite light weight gypsum wallboard |
US11338548B2 (en) | 2005-06-09 | 2022-05-24 | United States Gypsum Company | Light weight gypsum board |
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- 2004-02-24 EP EP04290494A patent/EP1568671B9/en not_active Expired - Lifetime
- 2004-02-24 AT AT04290494T patent/ATE463471T1/de active
- 2004-02-24 SI SI200431419T patent/SI1568671T1/sl unknown
- 2004-02-24 PT PT04290494T patent/PT1568671E/pt unknown
- 2004-02-24 ES ES04290494T patent/ES2343958T3/es not_active Expired - Lifetime
- 2004-02-24 DE DE602004026400T patent/DE602004026400D1/de not_active Expired - Lifetime
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- 2005-02-22 AU AU2005213907A patent/AU2005213907B2/en not_active Ceased
- 2005-02-22 CN CN2005800057530A patent/CN1922120B/zh active Active
- 2005-02-22 CA CA2556584A patent/CA2556584C/en not_active Expired - Fee Related
- 2005-02-22 KR KR1020067017036A patent/KR101183916B1/ko active IP Right Grant
- 2005-02-22 BR BRPI0507231-0A patent/BRPI0507231A/pt not_active Application Discontinuation
- 2005-02-22 PL PL380900A patent/PL209099B1/pl unknown
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- 2005-02-22 WO PCT/EP2005/002576 patent/WO2005080294A1/en active Application Filing
- 2005-02-23 AR ARP050100661A patent/AR050763A1/es unknown
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2006
- 2006-08-17 ZA ZA200606856A patent/ZA200606856B/en unknown
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CA2556584A1 (en) | 2005-09-01 |
US20080310248A1 (en) | 2008-12-18 |
EP1568671B9 (en) | 2011-09-07 |
CN1922120B (zh) | 2010-06-09 |
DE602004026400D1 (de) | 2010-05-20 |
KR20060123582A (ko) | 2006-12-01 |
US8517594B2 (en) | 2013-08-27 |
BRPI0507231A (pt) | 2007-06-26 |
CA2556584C (en) | 2013-04-09 |
CN1922120A (zh) | 2007-02-28 |
ATE463471T1 (de) | 2010-04-15 |
PL380900A1 (pl) | 2007-04-02 |
WO2005080294A1 (en) | 2005-09-01 |
AU2005213907A1 (en) | 2005-09-01 |
AU2005213907B2 (en) | 2010-03-11 |
SI1568671T1 (sl) | 2010-06-30 |
AR050763A1 (es) | 2006-11-22 |
DK1568671T3 (da) | 2010-07-26 |
KR101183916B1 (ko) | 2012-09-21 |
RU2006130465A (ru) | 2008-02-27 |
ES2343958T3 (es) | 2010-08-13 |
PT1568671E (pt) | 2010-07-16 |
US20050219938A1 (en) | 2005-10-06 |
EP1568671B1 (en) | 2010-04-07 |
PL209099B1 (pl) | 2011-07-29 |
EP1568671A1 (en) | 2005-08-31 |
US8119207B2 (en) | 2012-02-21 |
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