CN112299818A - Red mud sintered natural three-dimensional decorative building material blank, product and production method of product - Google Patents
Red mud sintered natural three-dimensional decorative building material blank, product and production method of product Download PDFInfo
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- CN112299818A CN112299818A CN202011225287.XA CN202011225287A CN112299818A CN 112299818 A CN112299818 A CN 112299818A CN 202011225287 A CN202011225287 A CN 202011225287A CN 112299818 A CN112299818 A CN 112299818A
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- red mud
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- 239000004566 building material Substances 0.000 title claims abstract description 83
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 23
- 238000002485 combustion reaction Methods 0.000 claims abstract description 22
- 239000010454 slate Substances 0.000 claims abstract description 21
- 239000002699 waste material Substances 0.000 claims abstract description 21
- 239000004575 stone Substances 0.000 claims abstract description 19
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 13
- 239000010703 silicon Substances 0.000 claims abstract description 13
- WDIHJSXYQDMJHN-UHFFFAOYSA-L barium chloride Chemical compound [Cl-].[Cl-].[Ba+2] WDIHJSXYQDMJHN-UHFFFAOYSA-L 0.000 claims abstract description 10
- 229910001626 barium chloride Inorganic materials 0.000 claims abstract description 10
- 239000001913 cellulose Substances 0.000 claims abstract description 9
- 229920002678 cellulose Polymers 0.000 claims abstract description 9
- 238000010304 firing Methods 0.000 claims abstract description 6
- 239000000047 product Substances 0.000 claims description 71
- 238000005245 sintering Methods 0.000 claims description 37
- 239000002245 particle Substances 0.000 claims description 32
- 238000005520 cutting process Methods 0.000 claims description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 19
- 238000001035 drying Methods 0.000 claims description 16
- 239000000203 mixture Substances 0.000 claims description 13
- 238000005096 rolling process Methods 0.000 claims description 13
- 238000001816 cooling Methods 0.000 claims description 10
- 239000003245 coal Substances 0.000 claims description 7
- 239000012043 crude product Substances 0.000 claims description 7
- 238000003756 stirring Methods 0.000 claims description 7
- 239000004698 Polyethylene Substances 0.000 claims description 6
- -1 polyethylene Polymers 0.000 claims description 6
- 229920000573 polyethylene Polymers 0.000 claims description 6
- 230000032683 aging Effects 0.000 claims description 5
- 238000010276 construction Methods 0.000 claims description 5
- 239000010805 inorganic waste Substances 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 4
- 238000007670 refining Methods 0.000 claims description 3
- 238000005303 weighing Methods 0.000 claims description 3
- 230000004927 fusion Effects 0.000 claims description 2
- 239000011449 brick Substances 0.000 abstract description 28
- 239000002994 raw material Substances 0.000 abstract description 26
- 239000011499 joint compound Substances 0.000 description 148
- 238000001125 extrusion Methods 0.000 description 25
- 238000000034 method Methods 0.000 description 14
- 229910000831 Steel Inorganic materials 0.000 description 10
- 239000010959 steel Substances 0.000 description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 8
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 8
- 229910052782 aluminium Inorganic materials 0.000 description 8
- 239000000126 substance Substances 0.000 description 8
- 238000002360 preparation method Methods 0.000 description 7
- 239000010440 gypsum Substances 0.000 description 6
- 229910052602 gypsum Inorganic materials 0.000 description 6
- 238000002844 melting Methods 0.000 description 6
- 230000008018 melting Effects 0.000 description 6
- 229920002635 polyurethane Polymers 0.000 description 6
- 239000004814 polyurethane Substances 0.000 description 6
- 238000011161 development Methods 0.000 description 5
- 230000018109 developmental process Effects 0.000 description 5
- 230000004907 flux Effects 0.000 description 5
- 229910052500 inorganic mineral Inorganic materials 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 239000011707 mineral Substances 0.000 description 5
- 235000010755 mineral Nutrition 0.000 description 5
- 230000001680 brushing effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000000704 physical effect Effects 0.000 description 4
- 239000000377 silicon dioxide Substances 0.000 description 4
- 235000012239 silicon dioxide Nutrition 0.000 description 4
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 239000003513 alkali Substances 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 238000005034 decoration Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 239000011734 sodium Substances 0.000 description 3
- 229910052708 sodium Inorganic materials 0.000 description 3
- 238000010257 thawing Methods 0.000 description 3
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 2
- 241000282414 Homo sapiens Species 0.000 description 2
- 239000004115 Sodium Silicate Substances 0.000 description 2
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 2
- 239000000292 calcium oxide Substances 0.000 description 2
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 2
- 238000011049 filling Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- 239000000395 magnesium oxide Substances 0.000 description 2
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 2
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 2
- NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical compound O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 2
- 229910052911 sodium silicate Inorganic materials 0.000 description 2
- AKEJUJNQAAGONA-UHFFFAOYSA-N sulfur trioxide Chemical compound O=S(=O)=O AKEJUJNQAAGONA-UHFFFAOYSA-N 0.000 description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- 229910052612 amphibole Inorganic materials 0.000 description 1
- 159000000009 barium salts Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000000280 densification Methods 0.000 description 1
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 description 1
- 238000006253 efflorescence Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 230000002431 foraging effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052900 illite Inorganic materials 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 229910003480 inorganic solid Inorganic materials 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 1
- 239000010982 man-made stone Substances 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 229910052901 montmorillonite Inorganic materials 0.000 description 1
- 239000010813 municipal solid waste Substances 0.000 description 1
- 239000004578 natural building material Substances 0.000 description 1
- VGIBGUSAECPPNB-UHFFFAOYSA-L nonaaluminum;magnesium;tripotassium;1,3-dioxido-2,4,5-trioxa-1,3-disilabicyclo[1.1.1]pentane;iron(2+);oxygen(2-);fluoride;hydroxide Chemical compound [OH-].[O-2].[O-2].[O-2].[O-2].[O-2].[F-].[Mg+2].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[K+].[K+].[K+].[Fe+2].O1[Si]2([O-])O[Si]1([O-])O2.O1[Si]2([O-])O[Si]1([O-])O2.O1[Si]2([O-])O[Si]1([O-])O2.O1[Si]2([O-])O[Si]1([O-])O2.O1[Si]2([O-])O[Si]1([O-])O2.O1[Si]2([O-])O[Si]1([O-])O2.O1[Si]2([O-])O[Si]1([O-])O2 VGIBGUSAECPPNB-UHFFFAOYSA-L 0.000 description 1
- CHWRSCGUEQEHOH-UHFFFAOYSA-N potassium oxide Chemical compound [O-2].[K+].[K+] CHWRSCGUEQEHOH-UHFFFAOYSA-N 0.000 description 1
- 229910001950 potassium oxide Inorganic materials 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 229910052611 pyroxene Inorganic materials 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 206010037844 rash Diseases 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 235000011121 sodium hydroxide Nutrition 0.000 description 1
- KKCBUQHMOMHUOY-UHFFFAOYSA-N sodium oxide Chemical compound [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 description 1
- 229910001948 sodium oxide Inorganic materials 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Classifications
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- 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
- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/13—Compounding ingredients
- C04B33/132—Waste materials; Refuse; Residues
- C04B33/1321—Waste slurries, e.g. harbour sludge, industrial muds
- C04B33/1322—Red mud
-
- 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
- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/13—Compounding ingredients
- C04B33/1305—Organic additives
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- 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
- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/13—Compounding ingredients
- C04B33/131—Inorganic additives
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- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/13—Compounding ingredients
- C04B33/132—Waste materials; Refuse; Residues
-
- 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
- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/13—Compounding ingredients
- C04B33/132—Waste materials; Refuse; Residues
- C04B33/1324—Recycled material, e.g. tile dust, stone waste, spent refractory material
-
- 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
- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/13—Compounding ingredients
- C04B33/132—Waste materials; Refuse; Residues
- C04B33/1328—Waste materials; Refuse; Residues without additional clay
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- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
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- C04B33/00—Clay-wares
- C04B33/30—Drying methods
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- C04B33/00—Clay-wares
- C04B33/32—Burning methods
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/44—Metal salt constituents or additives chosen for the nature of the anions, e.g. hydrides or acetylacetonate
- C04B2235/444—Halide containing anions, e.g. bromide, iodate, chlorite
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
- C04B2235/656—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes characterised by specific heating conditions during heat treatment
- C04B2235/6562—Heating rate
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
- C04B2235/656—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes characterised by specific heating conditions during heat treatment
- C04B2235/6565—Cooling rate
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
- C04B2235/656—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes characterised by specific heating conditions during heat treatment
- C04B2235/6567—Treatment time
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
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- 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
- Y02P40/60—Production of ceramic materials or ceramic elements, e.g. substitution of clay or shale by alternative raw materials, e.g. ashes
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Dispersion Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Inorganic Chemistry (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention discloses a red mud sintered natural three-dimensional decorative building material blank, a product and a production method of the product, wherein the red mud sintered natural three-dimensional decorative building material blank comprises, by weight, 70-80 parts of red mud, 18-25 parts of silicon-containing waste, 1.9-2.0 parts of frit, 1-3 parts of barium chloride and 1-2 parts of cellulose. The invention provides a red mud sintered natural three-dimensional decorative building material blank, product and product production method, which provides a red mud sintered building material formula blank through physicochemical analysis of traditional brick firing raw materials, and provides a specific production process to obtain a class of red mud sintered building material products, such as red mud sintered slate, red mud sintered culture stone, red mud sintered travertine, red mud internal combustion sintered wall and floor tile (plate) products used as wall and ground, and a specific production method.
Description
Technical Field
The invention relates to the technical field of solid waste sintered building materials, in particular to a red mud sintered natural three-dimensional decorative building material blank, a product and a production method of the product.
Background
The history of sintering culture in China is long, the invention of the sintered brick is recorded according to history materials, the invention of the Qin dynasty is carried out in the east Han dynasty, the history of the sintered brick is called as Qin brick Han tile, clay is used as a raw material, and the brick is fired by using firewood as a manual blank. Because the product is single in use, and the loess and shale which are traditional raw materials are used as blanks, a large amount of mining is caused, and the ecology is damaged, the yield is strictly controlled in various countries, and further the quantity and the use single of the baked bricks can not meet the market demand.
However, as the demand of the rapid development of the construction industry for the building material baked bricks is greatly increased, a large amount of loess and shale are mined, only the loess consumes about two hundred million tons, the field is damaged by fifty thousand mu, the exploitation seriously damages the ecology, the exploitation is forbidden to protect the ecology, the development of the construction industry is restricted, and no complete substitute product exists so far, namely, the sharp contradiction which cannot be solved is to protect the ecology and meet the building requirements of human beings. In addition, the rapid development of the aluminum industry deprives the aluminum resource, countless tailings and aluminum industry waste are generated all over the world, and red mud is accumulated. China is one of four major aluminum producing countries in the world, the aluminum production accounts for thirty percent of the world, the red mud discharge amount is the most important in the world, besides over five hundred million tons of aluminum accumulated in twenty years, nearly hundred million tons of aluminum are discharged every year, large area of land is occupied, the land is not grown for tens of years, underground water is polluted, the comprehensive treatment utilization rate is only four percent, and the red mud treatment becomes a world problem.
Therefore, the former needs to prohibit the exploitation of raw materials to protect the ecology, and the latter needs to treat the red mud waste, so that the problem to be solved by the technical personnel in the field is how to provide a red mud sintered natural three-dimensional decorative building material blank, product and production method of the product.
Disclosure of Invention
In view of the above, the invention provides a red mud sintered natural three-dimensional decorative building material blank, product and production method thereof, which provides a red mud sintered building material formula blank through physicochemical analysis of traditional brick raw materials, and provides a specific production process to obtain a class of red mud sintered building material products, such as red mud sintered slate, red mud sintered culture stone, red mud sintered travertine, red mud internal combustion sintered wall and floor tile (plate) products used as wall and ground buildings, and a specific production method The stacking and the occupation of land and the like, saves resources, protects the environment, ensures the virtuous cycle of the aluminum industrial production and the sintered building material production, stabilizes the social and economic development and achieves the aim of achieving multiple purposes.
In order to achieve the purpose, the invention adopts the following technical scheme:
the red mud sintered natural three-dimensional decorative building material blank comprises, by weight, 70-80 parts of red mud, 18-25 parts of silicon-containing waste, 1.9-2.0 parts of frit, 1-3 parts of barium chloride and 1-2 parts of cellulose. Wherein the ratio of the dosage of the cellulose to the total dosage of the red mud, the siliceous waste, the clinker and the barium chloride is 100 (1-3).
The technical effect of adopting the technical scheme is as follows: the red mud sintered building material blank provided by the invention is a red mud sintered natural three-dimensional decorative building material product formula blank prepared according to a sintering principle by referring to the physical and chemical properties and mineral composition of the traditional sintered brick blank, and the specific raw material preparation steps are as follows:
(a) the traditional sintered brick blank is analyzed for chemical composition, mineral composition, physical properties and particle component composition:
chemical composition and properties: 55-80% of silicon dioxide, 10-20% of ferric oxide, 2-15% of aluminum oxide, 0-5% of calcium oxide O, 0-3% of magnesium oxide, and 6-7% of sulfur trioxide, wherein the pH value is lower than the reference value.
The mineral composition is as follows: illite, montmorillonite, magnetite, limonite, agalmatolite, amphibole, pyroxene, mica.
Physical properties: the plasticity index is 10, the yellow color is shown, the specific gravity is 1.8, the volume weight is 1.34, the melting point is 1400 ℃, and the sintering point is 900-.
The particles are composed of: 0.05mm 35-50%, 0.05-1.2mm 20-65%, 1.2-2mm 30%, filling particles 35%, flux particles 30%, and framework particles 35%.
(b) The chemical property components, mineral compositions, physical properties and particle components of the red mud are analyzed:
chemical components: 30% of silicon dioxide, 21% of aluminum oxide, 23% of ferric oxide, 3% of calcium oxide, 1% of magnesium oxide, 3% of titanium oxide, 1% of potassium oxide, 6% of sodium oxide and 12% of trace oxide.
The chemical properties are as follows: the pH value is 10.36, the fluoride content is 5.89 mg.L-1The pH value of the red mud waste liquid is 12.8, and the fluoride content is 50 mg.L-1。
Physical properties: plasticity index of 5, red color, specific gravity of 2.8, volume weight of 0.8, and melting point of 1220 deg.C.
The particles are composed of: 0.05mm 0%, 0.05-1.2mm 100%, 1.2-2mm 0%, filling particles 60%, flux particles 10%, and skeleton particles 30%.
(c) Preparing a blank theoretical basis of the red mud sintered building material product:
(1) sintering
Sintering is a process in which molecules or atoms in an inorganic solid are mutually attracted, and particles are transferred by heating to obtain enough heat to bond fine particles and powder bodies, so that strength is generated and densification and crystallization are caused.
(2) Sodium fixation defrost
The natural alkali, the caustic soda and the silicon dioxide are fully reacted at a certain temperature to generate sodium silicate, so that the sodium is fixed and the alkali is removed, the efflorescence is caused by soluble salt, and the sodium silicate is fully reacted with the barium chloride at a certain temperature to generate insoluble barium salt, so that the defrosting can be realized.
(3) Binding flux
The bonding property is related to the surface energy of particles and the key is related to the melting point, under the condition of the same granularity and temperature, different inorganic substances are melted, gasified or not melted, the bonding property is qualitatively different, and the raw materials melted at the same temperature in different raw material formula blanks are commonly called flux raw materials and not melted called framework raw materials.
(d) Designing a formula blank:
the analysis of the steps (a) and (b) clearly defines the difference between the red mud and the sintered brick blank, finds out the scheme for solving the difference according to the sintering and bonding flux principle and the mineral composition, and obtains the red mud sintered natural three-dimensional decorative building material formula blank by adopting a sodium fixation defrosting method.
Through the steps, the red mud is scientifically matched and matched in an all-round and accurate mode, and qualified blanks are provided for the red mud to sinter the natural three-dimensional decorative building materials.
Preferably, the water content of the red mud is less than or equal to 5 percent, and the particle size is 0.25-0.88 mm.
Preferably, the silicon-containing waste is a mixture of one or more of construction waste, inorganic waste residues and waste loess, the silicon content is more than or equal to 50%, and the particle size is 1.2-2 mm.
Preferably, the melting point of the frit is 700-750 ℃, the silicon content is more than or equal to 96 percent, and the particle size is 200-300 meshes.
The invention also provides a red mud sintered natural three-dimensional decorative building material product, which is prepared from the red mud sintered natural three-dimensional decorative building material blank.
Preferably, the building material product comprises red mud sintered slate, red mud sintered culture stone, red mud sintered travertine, red mud internal combustion sintered wall and floor tile and red mud internal combustion sintered wall and floor.
Preferably, the red mud sintered travertine also comprises 0.1-0.3 part of polyethylene, and the particle size is 2-4 mm;
the red mud internal combustion sintered wall and floor tile and the red mud internal combustion sintered wall and floor further comprise 10-50 parts of coal gangue, and the particle size is 1-3 mm.
Adopt above-mentioned technical scheme: by adding polyethylene or coal gangue into the blank, the red mud is scientifically matched and prepared in an all-round and accurate manner, and the qualified blanks of the red mud sintered travertine, the red mud internal combustion sintered wall and floor tile and the red mud internal combustion sintered wall and floor are obtained.
The invention further provides a production method of the red mud sintered natural three-dimensional decorative building material product, which comprises the following specific steps:
s1, weighing blanks according to a proportion, mixing, aging for 48-60 hours, inputting into a blank stirrer, adding 10-17% of water, and uniformly stirring to obtain pug;
s2, inputting the pug into a vacuum pug picking machine for vacuum refining, inputting the pug into a pug strip extruder for extruding according to specifications to obtain pug strip, and cutting the pug strip into required blanks through a cutting machine;
and S3, stacking the green bodies into a kiln car through a stacking platform, drying and sintering the kiln car in a sintering kiln to obtain a red mud sintered natural three-dimensional decorative building material crude product, and performing edge cutting post-treatment to obtain the red mud sintered natural three-dimensional decorative building material product.
Preferably, in step S2, the die outlet specification of the loaf extruder is 606 × 53mm or 606 × 20mm,
and a rolling forming machine is also arranged between the mud strip extruder and the cutting machine, and the mud strip extruder is extruded according to specifications and then is input into the rolling forming machine to obtain the mud strip.
The technical effect of adopting the technical scheme is as follows: the method is a method for producing red mud sintered natural building material products by improving the traditional sintered (brick) building material production equipment process, and the traditional sintered bricks can be prepared at the die outlet of a 240 multiplied by 120mm extrusion forming machine; the outlet of a 606 multiplied by 53mm extrusion forming machine die is used as a wall and floor and brick product primary blank die for standby; a die outlet of an extrusion forming machine with the size of 606mm multiplied by 20mm is used as a primary blank die of a product of red mud sintered building materials for standby.
The forming machine of the red mud sintered building material product natural three-dimensional building material facing die comprises the following two types:
1. preparation of natural slate facing rolling forming machine
Firstly, selecting natural slate with beautiful and satisfactory surface stereo shape, cutting into 606X 606mm, brushing the surface with a separant, pouring gypsum, turning into a gypsum natural slate template, brushing the separant on the gypsum template, and then pouring molten polyurethane liquid upwards to obtain the polyurethane template with the same specification.
Turning a steel roller with the length of 606mm and the circumference of 606mm by using a lathe, mounting concentric shafts at two ends, attaching a polyurethane template on the surface of the steel roller, then mounting the steel roller on the upper surface of an outlet of a traditional brick making extruder (606 multiplied by 20mm), mounting a pressure-bearing steel plate with the thickness of 606 multiplied by 200mm below the steel roller, forming an outlet of a red mud slate three-dimensional decorative surface roller press with the distance of 18mm from the pressure roller, connecting the front part with the extruder, and then connecting with a conveying belt for later use.
2. Preparation of natural culture stone facing rolling forming machine
Firstly, selecting natural cultural stone plate with beautiful and satisfactory surface stereo-modeling, cutting into 606X 606mm, brushing a release agent on the surface, pouring gypsum, turning into a gypsum natural cultural stone template, brushing the release agent on the gypsum template, and then pouring molten polyurethane liquid upwards to obtain the polyurethane template with the same specification.
Turning a steel roller with the length of 606mm and the circumference of 606mm by using a lathe, mounting concentric shafts at two ends, attaching a polyurethane template on the surface of the steel roller, then mounting the steel roller on the outlet of a traditional brick making extruder (606 multiplied by 20mm), mounting a pressure-bearing steel plate with the thickness of 606 multiplied by 200mm below the steel roller, forming the outlet of the red mud culture stone facing roller mill with the distance of 18mm with the roller, connecting the outlet of the extruder in front, and then connecting the conveyor belt for later use.
Preferably, in step S3, when the sintering kiln is a roller kiln, the sintering temperature is programmed as:
and (3) drying: the operation is carried out for 3 hours at the temperature of between 0 and 100 ℃ and 2 hours at the temperature of between 100 and 200 ℃;
and (3) sintering: the operation is carried out at 400 ℃ for 3 hours at 200-;
and (3) cooling: operating at 980 ℃ and 300 ℃ for 1 hour, and operating at 300-60 ℃ for 2 hours;
when the firing kiln is a tunnel kiln, the temperature of the internal combustion sintering is programmed as:
and (3) drying: the operation is carried out for 19 hours at the temperature of between 0 and 100 ℃ and 6 hours at the temperature of between 100 and 200 ℃;
and (3) sintering: the operation is carried out at 400 ℃ for 4 hours at 200 ℃, at 600 ℃ for 5 hours at 400 ℃, at 700 ℃ for 6 hours at 600 ℃, at 800 ℃ for 3 hours at 700 ℃, at 980 ℃ for 3 hours at 800 ℃ and at 980 ℃ for 2 hours at 980 ℃;
and (3) cooling: the operation is carried out for 2 hours at the temperature of 980 ℃ and 300 ℃ to 60 ℃ and 1 hour.
The technical effect of adopting the technical scheme is as follows: the firing temperature programming process is systematically, practically and scientifically improved, and a forming method and a firing process are provided for the red mud sintered natural three-dimensional decorative building material, so that the product meets the application standard, and can be used as a red mud sintered slate for wall decoration, a red mud sintered culture stone for wall decoration, a red mud sintered travertine for wall decoration, and a red mud sintered plate (brick) product for walls and ground.
According to the technical scheme, compared with the prior art, the red mud sintered natural three-dimensional decorative building material blank, the product and the production method of the product have the following beneficial effects:
(1) the invention changes the physical and chemical combination of the raw materials of the traditional baked brick, finishes the history that the baked brick takes loess and shale as the raw materials for two thousand years, does not dig the land, does not mine the mine, protects the land and the mine resources, not only saves a large amount of land occupied by stacking the red mud, but also eradicates the pollution to the environment and the underground water, thoroughly solves the world problem of red mud resource utilization, protects the environment, promotes the stable development of the human society and economy, and the produced red mud (internal combustion) sintered natural three-dimensional decorative building material products reach and exceed the technical standard of the national sintered common bricks, enriches the variety of the building materials, including the red mud sintered natural slate, the red mud sintered natural culture stone, the red mud sintered natural travertine and the red mud sintered wall floor (brick).
(2) The red mud sintered natural three-dimensional decorative building material blank, the product and the production method of the product have the characteristics of reasonable formula, reasonable process design, simplicity in operation, energy conservation, comprehensive utilization of waste and the like.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the embodiment of the invention, firstly, matched raw materials meeting the standard requirements and the process requirements of the red mud sintered natural three-dimensional decorative building material product are selected, crushed and sieved according to the requirements of the blank, and are matched according to the weight ratio and then aged for 48 hours (the water content is 5 percent and the temperature is 18-35 ℃) to obtain the red mud sintered natural three-dimensional decorative building material blank.
In the invention, the raw materials refer to the original state of materials used in the production process, and comprise red mud as a main material and building wastes, inorganic waste residues or waste loess, frits, barium chloride, cellulose and water as auxiliary materials, the blank refers to the state of the raw materials which are prepared and aged, the mud refers to the state of the blank added with required water and homogenized, the blank of the rough product is in a natural state after firing, the product refers to the state of the rough product after post-treatment (edge cutting), and the red mud sintered natural three-dimensional decorative building material is a general name of red mud sintered slate, red mud sintered cultured stone, red mud sintered travertine, red mud sintered wall and floor tile and red mud internal combustion sintered wall and floor tile.
The raw materials of the red mud sintered building material product of the invention are abundant in red mud, garbage, inorganic waste slag and waste loess, frits, barium chloride and cellulose can be obtained from commercial channels, silicon dioxide in the blank is used as a framework and an alkali removing raw material, low-temperature frits are used as a fusing agent and a temperature adjusting raw material, barium chloride is used as a defrosting raw material, and cellulose is used as a plasticizing raw material.
The embodiment of the invention provides a red mud sintered natural three-dimensional decorative building material blank, which comprises, by weight, 70-80 parts of red mud, 18-25 parts of silicon-containing waste, 1.9-2.0 parts of frit, 1-3 parts of barium chloride and 1-2 parts of cellulose.
In order to further optimize the technical scheme, the water content of the red mud is less than or equal to 5 percent, and the particle size is 0.25-0.88 mm.
In order to further optimize the technical scheme, the silicon-containing waste is a mixture of one or more of construction waste, inorganic waste residues and waste gas loess, the silicon content is more than or equal to 50 percent, and the particle size is 1.2-2 mm.
In order to further optimize the technical scheme, the melting point of the frit is 700-750 ℃, the silicon content is more than or equal to 96 percent, and the particle size is 200-300 meshes.
The invention also provides a red mud sintered natural three-dimensional decorative building material product which is prepared from the red mud sintered natural three-dimensional decorative building material blank.
In order to further optimize the technical scheme, the building material products comprise red mud sintered slate, red mud sintered culture stone, red mud sintered travertine, red mud internal combustion sintered wall and floor tiles and red mud internal combustion sintered wall and floor tiles.
In order to further optimize the technical scheme, the red mud sintered travertine also comprises 0.1-0.3 part of polyethylene, and the particle size is 2-4 mm;
the red mud internal combustion sintered wall and floor tile and red mud internal combustion sintered wall and floor further comprise 10-50 parts of coal gangue, and the particle size is 1-3 mm.
The invention further provides a production method of the red mud sintered natural three-dimensional decorative building material product, which comprises the following specific steps:
s1, weighing blanks according to a proportion, mixing, aging for 48-60 hours, inputting into a blank stirrer, adding 10-17% of water, and uniformly stirring to obtain pug;
s2, inputting the pug into a vacuum pug picking machine for vacuum refining, inputting the pug into a pug strip extruder for extruding according to specifications to obtain pug strip, and cutting the pug strip into required blanks through a cutting machine;
and S3, stacking the green bodies into a kiln car through a stacking platform, drying and sintering the kiln car in a sintering kiln to obtain a red mud sintered natural three-dimensional decorative building material crude product, and performing edge cutting post-treatment to obtain the red mud sintered natural three-dimensional decorative building material product.
In order to further optimize the technical scheme, in step S2, the die outlet specification of the loaf extruder is 606 multiplied by 53mm or 606 multiplied by 20 mm;
the die outlet specification of the loam extruder is 606 multiplied by 53mm or 606 multiplied by 20mm,
and a rolling forming machine is arranged between the mud strip extruder and the cutting machine, and the mud strip extruder is extruded according to specifications and then is input into the rolling forming machine to obtain the mud strip.
The mold outlet of the traditional sintered brick extrusion molding machine is as follows: 240X 120 mm.
Die exit after modification:
the outlet of the 606 multiplied by 53mm extrusion forming machine die is used as a wall and floor and brick product primary blank die for standby.
A die outlet of an extrusion forming machine with the size of 606mm multiplied by 20mm is used as a primary blank die of a product of red mud sintered building materials for standby.
The rolling forming machine comprises a natural slate facing rolling forming machine and a natural culture stone facing rolling forming machine.
In order to further optimize the technical scheme, the green bodies are mechanically and manually stacked into a kiln car through a stacking platform, the kiln car (on a high-temperature supporting plate) reaches 16 layers, a tunnel kiln is operated for drying and sintering, and the sintering temperature is programmed as follows:
and (3) drying: the operation is carried out for 19 hours at the temperature of between 0 and 100 ℃ and 6 hours at the temperature of between 100 and 200 ℃;
and (3) sintering: the operation is carried out at 400 ℃ for 4 hours at 200 ℃, at 600 ℃ for 5 hours at 400 ℃, at 700 ℃ for 6 hours at 600 ℃, at 800 ℃ for 3 hours at 700 ℃, at 980 ℃ for 3 hours at 800 ℃ and at 980 ℃ for 2 hours at 980 ℃;
and (3) cooling: operating at 980 ℃ and 300 ℃ for 2 hours, and operating at 300-60 ℃ for 1 hour;
and (3) obtaining a red mud internal combustion sintered wall and floor (brick) rough product after sintering, and obtaining the red mud internal combustion sintered wall and floor (brick) after trimming and post-treatment.
Wherein, when no coal gangue raw material is added, the raw material enters a roller kiln for drying and sintering, and the sintering temperature is programmed as follows:
and (3) drying: the operation is carried out for 3 hours at the temperature of between 0 and 100 ℃ and 2 hours at the temperature of between 100 and 200 ℃;
and (3) sintering: the operation is carried out at 400 ℃ for 3 hours at 200-;
and (3) cooling: the operation is carried out for 1 hour at the temperature of 980 ℃ and 300 ℃ to 60 ℃ and 2 hours.
In the above steps, different product blanks are fired in different kilns at different temperature programming processes, and different red mud sintered building material products are provided with different rolling forming machines with natural veneers at the outlet of the compression forming machine in the step S2.
The technical solution will be explained by the following specific embodiments.
Firstly, preparing raw materials:
80 tons of red mud with the grain diameter of 0.88-0.25 mm;
18 tons of waste loess with the particle size of 2-1.2 mm;
1.9 tons of low-temperature fusion cake with the melting point of 700 ℃ and 200 meshes;
0.1 ton of barium chloride is in powder form;
cellulose 100: 1 powder, i.e. 1 ton;
the raw materials of above 101 tons are fully and evenly mixed by a mixer and then automatically conveyed to an aging storehouse for aging for 48 hours for standby.
Secondly, preparing raw materials:
A. sintering the red mud into a 'natural travertine' building material, wherein polyethylene particles for making holes have the particle size of 2-4mm and are 0.2 ton for later use.
The method is implemented according to a design scheme, and firstly, the blank is assembled according to the design requirement of the scheme for the following examples: (ton)
B. The red mud internal combustion sintering wall and floor (brick) uses internal combustion raw material coal gangue with heat of 800 kilocalories, particle size of 0.5-3mm and 10 tons for standby.
Example 1
The embodiment provides a red mud sintered natural slate building material product, which is characterized in that an outlet of a blank die is arranged at an original outlet of a matched traditional extrusion molding machine, a natural slate facing roll forming machine is arranged at the original outlet of the extrusion molding machine at a distance of 100m, and then the natural slate facing roll forming machine is connected with a conveyer belt at a distance of 100m for standby.
The preparation process comprises the following steps:
the aged standby blank (20 tons) is continuously and automatically input into a mud stirring machine by a conveyor belt according to the fixed quantity, simultaneously, water (the water content is fifteen percent) is continuously and automatically added according to the fixed flow rate, the blank is uniformly stirred, then the blank automatically enters a vacuum mud picking machine for exhausting and vacuum, then the blank directly enters an extrusion forming machine for extrusion, a red mud lath with the surface being a plane and the surface being the face width of the natural slate three-dimensional face being 606mm multiplied by 20mm is obtained through a primary extrusion port (606mm multiplied by 20mm) and an outlet of a veneer rolling machine, the blank is conveyed to an automatic cutting machine with the length being 606mm to be cut, a red mud natural slate veneer blank with the surface being 606mm multiplied by 20mm is obtained, the blank is automatically conveyed to a high-temperature supporting plate with the diameter being 610mm multiplied by 610mm by 10:
and (3) drying: the operation is carried out for 3 hours at the temperature of between 0 and 100 ℃ and 2 hours at the temperature of between 100 and 200 ℃;
and (3) sintering: the operation is carried out at 400 ℃ for 3 hours at 200-;
and (3) cooling: operating at 980 ℃ and 300 ℃ for 1 hour, and operating at 300-60 ℃ for 2 hours;
and (4) taking the raw product out of the kiln to obtain a red mud sintered slate facing building material crude product, automatically cutting the raw product in a cutting machine according to the specification of 600 multiplied by 600mm, and finally obtaining the red mud sintered natural slate facing building material product of 600 multiplied by 18 mm.
Example 2
The embodiment provides a red mud sintered natural cultural stone building material product, which is characterized in that an outlet of a blank die of a primary shape is arranged at an original outlet of a matched traditional extrusion forming machine, a natural cultural veneer roll forming machine is arranged at the primary shape outlet of the extrusion forming machine at a distance of 10mm, and then the natural cultural veneer roll forming machine is connected with a conveying belt at a distance of 10mm for standby.
The preparation process comprises the following steps:
the aged standby blank (20 tons) is continuously and automatically input into a mud stirring machine by a conveyor belt according to a fixed quantity, simultaneously, water is continuously and uniformly added according to a fixed flow rate (fifteen percent of water content), the blank is automatically fed into a vacuum mud picking machine for exhausting and vacuum, then the blank is directly fed into an extrusion forming machine for extrusion, a red mud batten with the lower surface being a plane and the upper surface being the decorative surface width of the natural cultural stone stereoscopic body of 606mm multiplied by 20mm is obtained through a primary extrusion port (606mm multiplied by 20mm) and an outlet of a decorative roller press, the red mud batten is conveyed to an automatic cutting machine with the length of 606mm spacing for cutting, the red mud natural cultural stone decorative surface blank with the thickness of 606mm multiplied by 20mm is obtained, the red mud natural cultural stone decorative blank is automatically conveyed to a high-temperature supporting plate with the thickness of 610mm multiplied by:
and (3) drying: the operation is carried out for 3 hours at the temperature of between 0 and 100 ℃ and 2 hours at the temperature of between 100 and 200 ℃;
and (3) sintering: the operation is carried out at 400 ℃ for 3 hours at 200-;
and (3) cooling: operating at 980 ℃ and 300 ℃ for 1 hour, and operating at 300-60 ℃ for 2 hours;
and (4) taking the raw product out of the kiln to obtain a red mud sintered culture stone facing building material crude product, automatically cutting the raw product in a cutting machine according to the specification of 600 multiplied by 600mm, and finally obtaining the red mud sintered natural culture stone facing building material product of 600 multiplied by 18 mm.
Example 3
The embodiment provides a red mud sintered natural travertine building material product, and firstly, a blank die outlet of 606mm multiplied by 20mm is arranged at a matched original outlet of a traditional extrusion forming machine for standby.
The preparation process comprises the following steps:
the method comprises the following steps of aging a prepared blank (20 tons), adding 0.2 ton of polyethylene particle prepared material, continuously and automatically inputting the prepared blank into a mud stirring machine according to a fixed quantity, simultaneously automatically and continuously adding water (fifteen percent of water content) according to a fixed flow rate, uniformly stirring, automatically feeding the obtained product into a vacuum mud picker for vacuum exhaust, directly feeding the obtained product into an extrusion forming machine for extrusion, obtaining a red mud batten of 606mm multiplied by 20mm through a primary extrusion opening (606mm multiplied by 20mm), conveying the red mud batten to an automatic cutting machine with a distance of 606mm for cutting to obtain a red mud natural travertine blank of 606mm multiplied by 20mm with holes from the surface to the inside, automatically conveying the red mud natural travertine blank to a high-temperature supporting plate of 610mm multiplied by 10mm through a conveying belt, and automatically feeding the red mud natural travertine:
and (3) drying: the operation is carried out for 3 hours at the temperature of between 0 and 100 ℃ and 2 hours at the temperature of between 100 and 200 ℃;
and (3) sintering: the operation is carried out at 400 ℃ for 3 hours at 200-;
and (3) cooling: operating at 980 ℃ and 300 ℃ for 1 hour, and operating at 300-60 ℃ for 2 hours;
and (4) taking the red mud sintered travertine building material crude product out of the kiln, automatically feeding the crude product into a cutting machine to automatically cut according to the specification of 600 multiplied by 600mm, and finally obtaining the red mud sintered natural travertine building material product of 600 multiplied by 18 mm.
Example 4
The embodiment provides a red mud sintered wall and floor building material product, and firstly, a blank mold outlet of 606mm multiplied by 53mm is arranged at a matched original outlet of a traditional extrusion molding machine for standby.
The preparation process comprises the following steps:
the method comprises the following steps of (1) automatically inputting aged spare blanks (20 tons), adding 10 tons of coal gangue spare internal fuel, automatically inputting the blanks into a mud mixer quantitatively and continuously according to a conveying belt, simultaneously automatically and continuously adding water (with the water content of fifteen percent) at a fixed flow rate, uniformly mixing, automatically feeding the mixture into a vacuum mud picker for vacuum exhaust, directly feeding the mixture into an extrusion forming machine for extrusion, obtaining red mud battens with the thickness of 606mm multiplied by 53mm through a primary extrusion port (with the thickness of 606mm multiplied by 53mm), cutting the red mud battens by a long automatic cutting machine with the distance of 606mm to obtain red mud wall and floor blanks with the thickness of 606mm multiplied by 53mm, conveying the blanks to a stacking platform, automatically stacking the manipulators on a kiln car for three layers, automatically feeding the blanks into a running tunnel kiln for drying and sintering, and programming the:
and (3) drying: the operation is carried out for 19 hours at the temperature of between 0 and 100 ℃ and 6 hours at the temperature of between 100 and 200 ℃;
and (3) sintering: the operation is carried out at 400 ℃ for 4 hours at 200 ℃, at 600 ℃ for 5 hours at 400 ℃, at 700 ℃ for 6 hours at 600 ℃, at 800 ℃ for 3 hours at 700 ℃, at 980 ℃ for 3 hours at 800 ℃ and at 980 ℃ for 2 hours at 980 ℃;
and (3) cooling: operating at 980 ℃ and 300 ℃ for 2 hours, and operating at 300-60 ℃ for 1 hour;
and (4) taking the red mud sintered wall and floor building material out of the kiln to obtain a crude red mud sintered wall and floor building material product, automatically cutting the crude red mud sintered wall and floor building material product by automatically entering a cutting machine according to the specification of 600 multiplied by 600mm, and finally obtaining the red mud sintered wall and floor building material product of 600 multiplied by 18 mm.
In addition, the process for sintering the wall and floor tiles by burning the red mud is the same as the fourth embodiment, except that the extrusion outlet is a mold of 240mmx115mmx53 mm.
To further illustrate the technical effects of the present invention, the applicant performed performance tests on the red mud sintered building material products obtained in examples 1 to 4, and the results are shown in table 1.
TABLE 1 Performance test results for Red mud sintered building materials articles of examples 1-4
| Inspection item | Standard of merit | Example 1 | Example 2 | Example 3 | Example 4 |
| Strength Mpa | 10.43 | 12.6 | 12.8 | 12.7 | 12.9 |
| Blooming | Is free of | Is free of | Is free of | Is free of | Is free of |
| Burst area mm | 2-5 | 0 | 0 | 0 | 0 |
| Internal radiation index (Ira) | ≤1.0 | 0.04 | 0.03 | 0.04 | 0.02 |
| External exposure index (I)Y) | ≤1.3 | 0.29 | 0.28 | 0.27 | 0.25 |
From the above data, the red mud sintered building material product of the above example: the indexes of compressive strength, no frost and no burst, radioactivity, namely, internal irradiation index of 0.4Ira, external irradiation index of 0.3Iy and the like all reach and exceed the national standard of common sintered bricks, and specifically formed products comprise: the red mud sintered natural slate, the red mud sintered culture stone, the red mud sintered natural travertine and the red mud sintered wall and floor (brick) are all green environment-friendly building material products.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The red mud sintered natural three-dimensional decorative building material blank is characterized by comprising, by weight, 70-80 parts of red mud, 18-25 parts of silicon-containing waste, 1.9-2.0 parts of frit, 1-3 parts of barium chloride and 1-2 parts of cellulose.
2. The red mud sintered natural three-dimensional decorative building material blank according to claim 1, wherein the red mud has a water content of not more than 5% and a particle size of 0.25-0.88 mm.
3. The red mud sintered natural three-dimensional decorative building material blank according to claim 1, wherein the silicon-containing waste is a mixture of one or more of construction waste, inorganic waste residue and waste loess, and has a silicon content of not less than 50% and a particle size of 1.2-2 mm.
4. The red mud sintered natural three-dimensional decorative building material blank according to claim 1, wherein the fusion point of the frit is 700-750 ℃, the silicon content is not less than 96%, and the particle size is 200-300 mesh.
5. A red mud sintered natural three-dimensional decorative building material product, characterized in that the building material product is made of the red mud sintered natural three-dimensional decorative building material blank according to any one of claims 1 to 4.
6. The red mud sintered natural three-dimensional decorative building material product according to claim 5, wherein the building material product comprises red mud sintered slate, red mud sintered culture stone, red mud sintered travertine, red mud fired sintered wall and floor tile and red mud fired sintered wall and floor tile.
7. The red mud sintered natural three-dimensional decorative building material product according to claim 6, wherein the red mud sintered travertine further comprises 0.1-0.3 parts of polyethylene, and the particle size is 2-4 mm;
the red mud internal combustion sintered wall and floor tile and the red mud internal combustion sintered wall and floor further comprise 10-50 parts of coal gangue, and the particle size is 1-3 mm.
8. The production method of the red mud sintered natural three-dimensional decorative building material product of any one of claims 5 to 7, which is characterized by comprising the following specific steps:
s1, weighing blanks according to a proportion, mixing, aging for 48-60 hours, inputting into a blank stirrer, adding 10-17% of water, and uniformly stirring to obtain pug;
s2, inputting the pug into a vacuum pug picking machine for vacuum refining, inputting the pug into a pug strip extruder for extruding according to specifications to obtain pug strip, and cutting the pug strip into required blanks through a cutting machine;
and S3, stacking the green bodies into a kiln car through a stacking platform, drying and sintering the kiln car in a sintering kiln to obtain a red mud sintered natural three-dimensional decorative building material crude product, and performing edge cutting post-treatment to obtain the red mud sintered natural three-dimensional decorative building material product.
9. The method for producing a red mud sintered natural three-dimensional decorative building material product according to claim 8, wherein in step S2, the die outlet specification of the loam extruder is 606 × 53mm or 606 × 20 mm;
and a rolling forming machine is also arranged between the mud strip extruder and the cutting machine, and the mud strip extruder is extruded according to specifications and then is input into the rolling forming machine to obtain the mud strip.
10. The method for producing a red mud sintered natural three-dimensional decorative building material product according to claim 8, wherein in step S3, when the sintering kiln is a roller kiln, the sintering temperature is programmed as follows:
and (3) drying: the operation is carried out for 3 hours at the temperature of between 0 and 100 ℃ and 2 hours at the temperature of between 100 and 200 ℃;
and (3) sintering: the operation is carried out at 400 ℃ for 3 hours at 200-;
and (3) cooling: operating at 980 ℃ and 300 ℃ for 1 hour, and operating at 300-60 ℃ for 2 hours;
when the firing kiln is a tunnel kiln, the temperature of the internal combustion sintering is programmed as:
and (3) drying: the operation is carried out for 19 hours at the temperature of between 0 and 100 ℃ and 6 hours at the temperature of between 100 and 200 ℃;
and (3) sintering: the operation is carried out at 400 ℃ for 4 hours at 200 ℃, at 600 ℃ for 5 hours at 400 ℃, at 700 ℃ for 6 hours at 600 ℃, at 800 ℃ for 3 hours at 700 ℃, at 980 ℃ for 3 hours at 800 ℃ and at 980 ℃ for 2 hours at 980 ℃;
and (3) cooling: the operation is carried out for 2 hours at the temperature of 980 ℃ and 300 ℃ to 60 ℃ and 1 hour.
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