CN107337462A - A kind of sintered refractory block and preparation method thereof - Google Patents
A kind of sintered refractory block and preparation method thereof Download PDFInfo
- Publication number
- CN107337462A CN107337462A CN201710615492.9A CN201710615492A CN107337462A CN 107337462 A CN107337462 A CN 107337462A CN 201710615492 A CN201710615492 A CN 201710615492A CN 107337462 A CN107337462 A CN 107337462A
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- China
- Prior art keywords
- parts
- silica flour
- powder
- refractory block
- sintered refractory
- Prior art date
- Legal status (The legal status 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 status listed.)
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- 238000002360 preparation method Methods 0.000 title claims abstract description 14
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical class O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 77
- 239000000843 powder Substances 0.000 claims abstract description 43
- 235000013312 flour Nutrition 0.000 claims abstract description 40
- 239000011449 brick Substances 0.000 claims abstract description 32
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 24
- 238000001035 drying Methods 0.000 claims abstract description 21
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000010439 graphite Substances 0.000 claims abstract description 19
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 19
- 239000000463 material Substances 0.000 claims abstract description 18
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 16
- 239000002994 raw material Substances 0.000 claims abstract description 16
- 239000010459 dolomite Substances 0.000 claims abstract description 14
- 229910000514 dolomite Inorganic materials 0.000 claims abstract description 14
- 239000000835 fiber Substances 0.000 claims abstract description 14
- 239000010881 fly ash Substances 0.000 claims abstract description 14
- 239000004088 foaming agent Substances 0.000 claims abstract description 14
- 229910001570 bauxite Inorganic materials 0.000 claims abstract description 13
- 239000006260 foam Substances 0.000 claims abstract description 13
- UNASZPQZIFZUSI-UHFFFAOYSA-N methylidyneniobium Chemical compound [Nb]#C UNASZPQZIFZUSI-UHFFFAOYSA-N 0.000 claims abstract description 13
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229910010271 silicon carbide Inorganic materials 0.000 claims abstract description 13
- 239000002893 slag Substances 0.000 claims abstract description 13
- 239000003381 stabilizer Substances 0.000 claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000001095 magnesium carbonate Substances 0.000 claims abstract description 12
- 235000014380 magnesium carbonate Nutrition 0.000 claims abstract description 12
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 claims abstract description 12
- 229910000021 magnesium carbonate Inorganic materials 0.000 claims abstract description 12
- 229910052582 BN Inorganic materials 0.000 claims abstract description 11
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000000428 dust Substances 0.000 claims abstract description 11
- 239000000203 mixture Substances 0.000 claims abstract description 11
- 239000000920 calcium hydroxide Substances 0.000 claims abstract description 8
- 235000011116 calcium hydroxide Nutrition 0.000 claims abstract description 8
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 8
- 230000032683 aging Effects 0.000 claims abstract description 7
- 238000000227 grinding Methods 0.000 claims abstract description 4
- 238000002156 mixing Methods 0.000 claims description 11
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 10
- 239000006004 Quartz sand Substances 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 6
- 229920000265 Polyparaphenylene Polymers 0.000 claims description 5
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 5
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 5
- -1 polyphenylene Polymers 0.000 claims description 5
- 239000012286 potassium permanganate Substances 0.000 claims description 5
- 239000011347 resin Substances 0.000 claims description 5
- 229920005989 resin Polymers 0.000 claims description 5
- 239000011734 sodium Substances 0.000 claims description 5
- 229910052708 sodium Inorganic materials 0.000 claims description 5
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 5
- 125000001174 sulfone group Chemical group 0.000 claims description 5
- 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 claims description 4
- 239000011790 ferrous sulphate Substances 0.000 claims description 4
- 235000003891 ferrous sulphate Nutrition 0.000 claims description 4
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 claims description 4
- 229910000359 iron(II) sulfate Inorganic materials 0.000 claims description 4
- 229910001711 laumontite Inorganic materials 0.000 claims description 4
- OZAIFHULBGXAKX-UHFFFAOYSA-N 2-(2-cyanopropan-2-yldiazenyl)-2-methylpropanenitrile Chemical compound N#CC(C)(C)N=NC(C)(C)C#N OZAIFHULBGXAKX-UHFFFAOYSA-N 0.000 claims description 3
- 239000004156 Azodicarbonamide Substances 0.000 claims description 3
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical group [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 3
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 3
- ZCJHFOLNXNSZJG-UHFFFAOYSA-N [Na].NS(O)(=O)=O Chemical compound [Na].NS(O)(=O)=O ZCJHFOLNXNSZJG-UHFFFAOYSA-N 0.000 claims description 3
- XOZUGNYVDXMRKW-AATRIKPKSA-N azodicarbonamide Chemical compound NC(=O)\N=N\C(N)=O XOZUGNYVDXMRKW-AATRIKPKSA-N 0.000 claims description 3
- 235000019399 azodicarbonamide Nutrition 0.000 claims description 3
- 239000011575 calcium Substances 0.000 claims description 3
- 229910052791 calcium Inorganic materials 0.000 claims description 3
- 229920005551 calcium lignosulfonate Polymers 0.000 claims description 3
- RYAGRZNBULDMBW-UHFFFAOYSA-L calcium;3-(2-hydroxy-3-methoxyphenyl)-2-[2-methoxy-4-(3-sulfonatopropyl)phenoxy]propane-1-sulfonate Chemical compound [Ca+2].COC1=CC=CC(CC(CS([O-])(=O)=O)OC=2C(=CC(CCCS([O-])(=O)=O)=CC=2)OC)=C1O RYAGRZNBULDMBW-UHFFFAOYSA-L 0.000 claims description 3
- 229920001495 poly(sodium acrylate) polymer Polymers 0.000 claims description 3
- 229920002401 polyacrylamide Polymers 0.000 claims description 3
- 229920000570 polyether Polymers 0.000 claims description 3
- 229920001296 polysiloxane Polymers 0.000 claims description 3
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 3
- 239000002002 slurry Substances 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
- 238000005406 washing Methods 0.000 claims description 3
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims description 2
- 230000003467 diminishing effect Effects 0.000 claims description 2
- 239000011259 mixed solution Substances 0.000 claims description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims 1
- 235000003283 Pachira macrocarpa Nutrition 0.000 claims 1
- 241001083492 Trapa Species 0.000 claims 1
- 235000014364 Trapa natans Nutrition 0.000 claims 1
- 210000000481 breast Anatomy 0.000 claims 1
- MOTZDAYCYVMXPC-UHFFFAOYSA-N dodecyl hydrogen sulfate Chemical group CCCCCCCCCCCCOS(O)(=O)=O MOTZDAYCYVMXPC-UHFFFAOYSA-N 0.000 claims 1
- 239000007788 liquid Substances 0.000 claims 1
- 239000011777 magnesium Substances 0.000 claims 1
- 229910052749 magnesium Inorganic materials 0.000 claims 1
- 235000009165 saligot Nutrition 0.000 claims 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 claims 1
- 235000012239 silicon dioxide Nutrition 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 230000006835 compression Effects 0.000 abstract description 6
- 238000007906 compression Methods 0.000 abstract description 6
- 238000005265 energy consumption Methods 0.000 abstract description 5
- 230000035939 shock Effects 0.000 abstract description 5
- 239000004927 clay Substances 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 239000010453 quartz Substances 0.000 description 4
- 238000002791 soaking Methods 0.000 description 4
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 239000004115 Sodium Silicate Substances 0.000 description 3
- 239000004568 cement Substances 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 235000019795 sodium metasilicate Nutrition 0.000 description 3
- 229910052911 sodium silicate Inorganic materials 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 2
- RCEAADKTGXTDOA-UHFFFAOYSA-N OS(O)(=O)=O.CCCCCCCCCCCC[Na] Chemical compound OS(O)(=O)=O.CCCCCCCCCCCC[Na] RCEAADKTGXTDOA-UHFFFAOYSA-N 0.000 description 2
- KZHJGOXRZJKJNY-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Si]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O KZHJGOXRZJKJNY-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000839 emulsion Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910052863 mullite Inorganic materials 0.000 description 2
- 239000011819 refractory material Substances 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 150000004645 aluminates Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000007767 bonding agent Substances 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 235000013339 cereals Nutrition 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 235000019353 potassium silicate Nutrition 0.000 description 1
- 239000011863 silicon-based powder Substances 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000011895 specific detection Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 230000000930 thermomechanical effect Effects 0.000 description 1
Classifications
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- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/66—Monolithic refractories or refractory mortars, including those whether or not containing clay
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- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/62204—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products using waste materials or refuse
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- C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
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- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3205—Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
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- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3205—Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
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- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
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- C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
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- C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
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- C04B2235/38—Non-oxide ceramic constituents or additives
- C04B2235/3852—Nitrides, e.g. oxynitrides, carbonitrides, oxycarbonitrides, lithium nitride, magnesium nitride
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- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/42—Non metallic elements added as constituents or additives, e.g. sulfur, phosphor, selenium or tellurium
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- C04B2235/52—Constituents or additives characterised by their shapes
- C04B2235/5208—Fibers
- C04B2235/5216—Inorganic
- C04B2235/524—Non-oxidic, e.g. borides, carbides, silicides or nitrides
- C04B2235/5244—Silicon carbide
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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
- 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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- 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
- 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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- 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
- 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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- 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
- 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
- C04B2235/9607—Thermal properties, e.g. thermal expansion coefficient
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Abstract
The invention discloses a kind of sintered refractory block and preparation method thereof, it is related to fire resisting material field, the refractory brick includes following raw material：Modified silica flour, magnesite slag, dolomite dust, bauxite, Fly-ash, milk of lime, expanded graphite, niobium carbide powder, boron nitride powder, phosphatization silica flour, silicon carbide fibre, exciting agent, water reducer, foaming agent and foam stabilizer.Its preparation method is made by steps such as the co-grinding to raw material, standing ageing mixture, drying, roastings.The refractory brick of the present invention prepares simple and convenient, energy consumption is low needed for production, and the time is few, and obtained finished product refractory brick has the characteristics of compression strength is high, thermal shock resistance is excellent, thermal conductivity factor is low, effectively extend service life of the refractory brick in high temperature furnace and in kiln, suitable popularization and application.
Description
Technical field
The present invention relates to fire resisting material field, and in particular to a kind of sintered refractory block and preparation method thereof.
Background technology
Refractory material is the important basic material of industrial circle, the smelting of steel at present, oven coke, thermomechanical aging system
Industrial furnace and its liner all need refractory material, in stove and liner needs to use substantial amounts of refractory brick, existing refractory brick
It is mostly cement insulating fire brick, clay brick is mainly by mullite (25%~50%), glass phase (25%~60%) and ashlar
English and quartz (reaching as high as 30%) are formed.Generally using hard paste as raw material, advance mature calcined material, then it is equipped with soft
Clay, with semidry method or plastic making, temperature burns till clay tile product in 1300~1400C.A small amount of water glass can also be added
Not burned product and unsetting material is made in the bonding agents such as glass, cement.Base is mainly used in blast furnace, hot-blast stove, heating furnace, power pot
In stove, limekiln, rotary kiln, glass furnace, ceramics and refractory brick calcining kiln.Temperature needed for the burning of this kind of clay refractory brick is high,
Energy consumption is big, burning time length, and production cost is high, and obtained finished product refractory brick thermal conductivity factor is high, heat-proof quality is poor, compression strength
It is low, especially gradually reduced with the rise of temperature, its compression strength, thermal shock resistance deficiency, and then influence the use of refractory brick
Life-span and use field.
The content of the invention
For problems of the prior art, the invention provides a kind of sintered refractory block and preparation method thereof, this kind
Refractory brick prepares simple and convenient, and energy consumption is low needed for production, and the time is few, and obtained finished product refractory brick has that compression strength is high, heat resistanceheat resistant
The characteristics of pinking is excellent, thermal conductivity factor is low, service life of the refractory brick in high temperature furnace and in kiln is effectively extended, is suitably pushed away
Wide application.
In order to achieve the above object, the present invention is achieved through the following technical solutions：
A kind of sintered refractory block, including following raw material by weight：Modified silica flour 30-40 parts, magnesite slag 25-
35 parts, dolomite dust 15-25 parts, bauxite 15-25 parts, Fly-ash 10-20 parts, milk of lime 5-15 parts, expanded graphite 6-12
Part, niobium carbide powder 3-7 parts, boron nitride powder 3-7 parts, phosphatization silica flour 3-7 parts, silicon carbide fibre 4-8 parts, exciting agent 1-5 parts, diminishing
Agent 1-3 parts, foaming agent 1-5 parts and foam stabilizer 1-5 parts；
The modified silica flour is made by following steps：Quartz sand is put into sodium carbonate and potassium permanganate mixed solution
After soaking 2-3h, drying is taken out, adds Silane coupling agent KH550 equivalent to quartz sand weight 2-4%, equivalent to laumontite weight
Measure 3-5% polyphenylene sulphone resin and the aluminum oxide equivalent to silica flour weight 1-3% stirs 15- under 300-500r/min
Ground after 25min, cross 70-90 mesh sieves and produce.
Further, the refractory brick includes following raw material by weight：Modified 35 parts of silica flour, magnesite slag 30
Part, 20 parts of dolomite dust, 20 parts of bauxite, 15 parts of Fly-ash, 10 parts of milk of lime, 9 parts of expanded graphite, 5 parts of niobium carbide powder, nitrogen
Change 3 parts of 5 parts of boron powder, 5 parts of phosphatization silica flour, 6 parts of silicon carbide fibre, 3 parts of exciting agent, 2 parts of water reducer, 3 parts of foaming agent and foam stabilizer.
Further, the expanded graphite is the 80 mesh expansible graphites that expansion multiplying power is more than 250ml/g.
Preferably, the exciting agent be calcium sulphoaluminate, sodium metasilicate, ferrous sulfate or washing slurry in two kinds or two kinds with
On.
Preferably, the water reducer is one kind in calcium lignosulfonate, Sodium Polyacrylate or sulfamic acid sodium.
Preferably, the foaming agent is one in lauryl sodium sulfate, sodium azodiisobutyronitrile or azodicarbonamide
Kind.
Preferably, the foam stabilizer is one kind in silicones polyethers emulsion, polyacrylamide or polyvinyl alcohol.
A kind of preparation method of above-mentioned sintered refractory block, is followed the steps below：
(1) the weight preparing material is pressed；
(2) will modified silica flour, magnesite slag, dolomite dust, bauxite, Fly-ash, expanded graphite, niobium carbide powder,
Boron nitride powder, phosphatization silica flour and silicon carbide fibre co-grinding cross 80-120 mesh sieves, obtain powder；
(3) powder and surplus stock are mixed and adds powder quality 60-80%, the hot water that temperature is 75-85 DEG C is stirred
Mixing is mixed, ageing mixture 2-4 days are stood after mixing, obtain material；
(4) material is delivered in brick body mould, is subsequently compressed into adobe, adobe is placed in and bakes and banks up with earth drying and processing 3- in stove
5h, drying temperature are 85-95 DEG C；
(5) adobe after drying is placed in kiln, furnace temperature is risen to by 1080- with 40-60 DEG C/min heating rate
1260 DEG C of roasting 8-12h, afterwards with furnace temperature natural cooling.
The present invention has following beneficial effect：
(1) sintered refractory block of the invention is prepared simple and convenient, using the material of the low temperature fast firings such as Fly-ash, dolomite dust
Expect the part as raw material, reduce the burning energy consumption needed for production, improve production efficiency, specifically, being glued with traditional
Soil nature refractory brick is compared, and temperature needed for its roasting reduces more than 20%, and it is more than hour to reduce 4 for roasting time；
(2) sintered refractory block of the invention adds expanded graphite, carbonization by being improved and optimizated to raw materials for production and technique
The compositions such as silica fibre, modified silica flour, then the auxiliary of the outer adding assistant such as Cooperative Excitation agent and foaming agent, make to occur in brick laying structure
A large amount of closure micropores, have firm skeleton structure, improve the compression strength and thermal shock resistance of finished product refractory brick, reduce brick
The thermal conductivity factor of body, effect of heat insulation is notable, effectively extends service life of the refractory brick in high temperature furnace and in kiln, suitably pushes away
Wide application.
Embodiment
The embodiment of the present invention is further described with reference to embodiment, following examples are only used for more
Clearly demonstrate technical scheme, and can not be limited the scope of the invention with this.
Embodiment 1
A kind of sintered refractory block, the following raw material of preparation are to be prepared：Modified silica flour 30kg, magnesite slag 25kg, dolomite
Powder 15kg, bauxite 15kg, Fly-ash 10kg, milk of lime 5kg, expanded graphite 6kg, niobium carbide powder 3kg, boron nitride powder 3kg,
Phosphatization silica flour 3kg, silicon carbide fibre 4kg, exciting agent 1kg, water reducer 1kg, foaming agent 1kg and foam stabilizer 1kg；
The modified silica flour is made by following steps：Weigh 30kg quartz sands and be put into sodium carbonate and mixed with potassium permanganate
After soaking 2h in solution, drying is taken out, adds the Silane coupling agent KH550 equivalent to quartz sand weight 2%, equivalent to laumontite
The polyphenylene sulphone resin of weight 3% and aluminum oxide equivalent to silica flour weight 1% are ground after stirring 15min under 300r/min
Mill, it is that the modification silica flour needed for raw material of the present invention is made to cross 70 mesh sieves.
Wherein, the expanded graphite is expansion times 280ml/g 80 mesh expansible graphites；
Above-mentioned exciting agent uses two kinds of mixtures of calcium sulphoaluminate and sodium metasilicate, and mass ratio between the two is 1:2；Subtract
Aqua uses calcium lignosulfonate；Foaming agent uses lauryl sodium sulfate；Foam stabilizer uses silicones polyethers emulsion.
A kind of preparation method of above-mentioned sintered refractory block, is followed the steps below：
(1) first will modified silica flour, magnesite slag, dolomite dust, bauxite, Fly-ash, expanded graphite, niobium carbide
Powder, boron nitride powder, phosphatization silica flour and silicon carbide fibre mixing, crushed 80 mesh sieves by grinder, obtain powder；
(2) powder and surplus stock are mixed again and add powder quality 60%, the hot water that temperature is 75 DEG C be stirred it is mixed
It is even, ageing mixture 2 days are stood after mixing, obtain material；
(3) material is delivered in brick body mould after, adobe is then pressed into by press, adobe is placed in and baked and banked up with earth
Drying and processing 3h in stove, drying temperature are controlled at 85 DEG C；
(4) finally the adobe after drying is placed in kiln, furnace temperature is risen to 1080 DEG C with 40 DEG C/min heating rate
8h is calcined, is afterwards that the sintered refractory block of the present invention is made with furnace temperature natural cooling.
Embodiment 2
A kind of sintered refractory block, the following raw material of preparation are to be prepared：Modified silica flour 35kg, magnesite slag 30kg, dolomite
Powder 20kg, bauxite 20kg, Fly-ash 15kg, milk of lime 10kg, expanded graphite 9kg, niobium carbide powder 5kg, boron nitride powder
5kg, phosphatization silica flour 5kg, silicon carbide fibre 6kg, exciting agent 3kg, water reducer 2kg, foaming agent 3kg and foam stabilizer 3kg；
The modified silica flour is made by following steps：Weigh 35kg quartz sands and be put into sodium carbonate and mixed with potassium permanganate
After soaking 2.5h in solution, drying is taken out, adds the Silane coupling agent KH550 equivalent to quartz sand weight 3%, equivalent to turbid boiling
After the polyphenylene sulphone resin of stone weight 4% and aluminum oxide equivalent to silica flour weight 2% stir 20min under 400r/min
Grinding, it is that the modification silica flour needed for raw material of the present invention is made to cross 80 mesh sieves.
Wherein, the expanded graphite is expansion multiplying power 300ml/g 80 mesh expansible graphites；
Above-mentioned exciting agent uses two kinds of mixtures of sodium metasilicate and ferrous sulfate, and mass ratio between the two is 1:1；Subtract
Aqua uses Sodium Polyacrylate；Foaming agent uses sodium azodiisobutyronitrile；Foam stabilizer uses polyacrylamide.
A kind of preparation method of above-mentioned sintered refractory block, is followed the steps below：
(1) first will modified silica flour, magnesite slag, dolomite dust, bauxite, Fly-ash, expanded graphite, niobium carbide
Powder, boron nitride powder, phosphatization silica flour and silicon carbide fibre mixing, crushed 100 mesh sieves by grinder, obtain powder；
(2) powder and surplus stock are mixed again and add powder quality 70%, the hot water that temperature is 80 DEG C be stirred it is mixed
It is even, ageing mixture 3 days are stood after mixing, obtain material；
(3) material is delivered in brick body mould after, adobe is then pressed into by press, adobe is placed in and baked and banked up with earth
Drying and processing 4h in stove, drying temperature are controlled at 90 DEG C；
(4) finally the adobe after drying is placed in kiln, furnace temperature is risen to 1150 DEG C with 50 DEG C/min heating rate
10h is calcined, is afterwards that the sintered refractory block of the present invention is made with furnace temperature natural cooling.
Embodiment 3
A kind of sintered refractory block, the following raw material of preparation are to be prepared：Modified silica flour 40kg, magnesite slag 35kg, dolomite
Powder 25kg, bauxite 25kg, Fly-ash 20kg, milk of lime 15kg, expanded graphite 12kg, niobium carbide powder 7kg, boron nitride powder
7kg, phosphatization silica flour 7kg, silicon carbide fibre 8kg, exciting agent 5kg, water reducer 3kg, foaming agent 5kg and foam stabilizer 5kg；
The modified silica flour is made by following steps：Weigh 40kg quartz sands and be put into sodium carbonate and mixed with potassium permanganate
After soaking 3h in solution, drying is taken out, adds the Silane coupling agent KH550 equivalent to quartz sand weight 4%, equivalent to laumontite
The polyphenylene sulphone resin of weight 5% and aluminum oxide equivalent to silica flour weight 3% are ground after stirring 25min under 500r/min
Mill, it is that the modification silica flour needed for raw material of the present invention is made to cross 90 mesh sieves.
Wherein, the expanded graphite is expansion multiplying power 320ml/g 80 mesh expansible graphites；
Above-mentioned exciting agent uses two kinds of mixtures of ferrous sulfate and washing slurry, and mass ratio between the two is 2:1；Subtract
Aqua uses sulfamic acid sodium；Foaming agent uses azodicarbonamide；Foam stabilizer uses polyvinyl alcohol.
A kind of preparation method of above-mentioned sintered refractory block, is followed the steps below：
(1) first will modified silica flour, magnesite slag, dolomite dust, bauxite, Fly-ash, expanded graphite, niobium carbide
Powder, boron nitride powder, phosphatization silica flour and silicon carbide fibre mixing, crushed 120 mesh sieves by grinder, obtain powder；
(2) powder and surplus stock mixing addition powder quality 80%, the hot water of 85 DEG C of temperature are stirred mixing again,
Ageing mixture 4 days are stood after mixing, obtain material；
(3) material is delivered in brick body mould after, adobe is then pressed into by press, adobe is placed in and baked and banked up with earth
Drying and processing 5h in stove, drying temperature are controlled at 95 DEG C；
(4) finally the adobe after drying is placed in kiln, furnace temperature is risen to 1260 DEG C with 60 DEG C/min heating rate
12h is calcined, is afterwards that the sintered refractory block of the present invention is made with furnace temperature natural cooling.
Embodiment 4
Performance detection
Performance detection is carried out to refractory brick made from above-described embodiment 1-3, compared with the refractory brick in comparative example 4,
Specific detection project and data result see below Tables 1 and 2；
The refractory brick of comparative example 4 includes following raw material by weight percentage：Refractory cement (aluminate) 40%-
60%th, magnesia grain 15%~25%, mullite powder 15%~25%, cristobalite silicon powder 0%~10%.
Table 1
| Group | Compression strength (MPa) | Thermal conductivity factor | Sintering temperature (DEG C) | Roasting time (h) |
| Embodiment 1 | 38.3 | 0.16 | 1080 | 8 |
| Embodiment 2 | 42.1 | 0.14 | 1150 | 10 |
| Embodiment 3 | 40.5 | 0.15 | 1260 | 12 |
| Comparative example 4 | 25.4 | 0.48 | 1380 | 15 |
Table 2：The thermal shock resistance detection of refractory brick
As shown in upper Tables 1 and 2, refractory brick of the invention has higher pressure resistance compared to commercially available common refractory brick
Degree, more preferable thermal shock resistance, more excellent effect of heat insulation, and energy consumption needed for production are low, and the time is short.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, although with reference to foregoing reality
Apply example the present invention is described in detail, for those skilled in the art, it still can be to foregoing each implementation
Technical scheme described in example is modified, or carries out equivalent substitution to which part technical characteristic.All essences in the present invention
God any modification, equivalent substitution and improvements made etc., should be included in the scope of the protection with principle.
Claims (8)
1. a kind of sintered refractory block, it is characterised in that including following raw material by weight：Modified silica flour 30-40 parts, water chestnut
Magnesium slag 25-35 parts, dolomite dust 15-25 parts, bauxite 15-25 parts, Fly-ash 10-20 parts, milk of lime 5-15 parts, expansion
Graphite 6-12 parts, niobium carbide powder 3-7 parts, boron nitride powder 3-7 parts, phosphatization silica flour 3-7 parts, silicon carbide fibre 4-8 parts, exciting agent 1-
5 parts, water reducer 1-3 parts, foaming agent 1-5 parts and foam stabilizer 1-5 parts；
The modified silica flour is made by following steps：Quartz sand is put into sodium carbonate with being soaked in potassium permanganate mixed solution
After 2-3h, drying is taken out, adds Silane coupling agent KH550 equivalent to quartz sand weight 2-4%, equivalent to laumontite weight 3-
5% polyphenylene sulphone resin and aluminum oxide equivalent to silica flour weight 1-3% stir 15- under 300-500r/min
Ground after 25min, cross 70-90 mesh sieves and produce.
2. a kind of sintered refractory block according to claim 1, it is characterised in that including following raw material by weight：
Modified 35 parts of silica flour, 30 parts of magnesite slag, 20 parts of dolomite dust, 20 parts of bauxite, 15 parts of Fly-ash, 10 parts of milk of lime,
9 parts of expanded graphite, 5 parts of niobium carbide powder, 5 parts of boron nitride powder, 5 parts of phosphatization silica flour, 6 parts of silicon carbide fibre, 3 parts of exciting agent, diminishing
3 parts of 2 parts of agent, 3 parts of foaming agent and foam stabilizer.
3. a kind of sintered refractory block according to claim 1, it is characterised in that the expanded graphite is more than for expansion multiplying power
250ml/g 80 mesh expansible graphites.
4. a kind of sintered refractory block according to claim 1, it is characterised in that the exciting agent is calcium sulphoaluminate, silicic acid
Two or more in sodium, ferrous sulfate or washing slurry.
A kind of 5. sintered refractory block according to claim 1, it is characterised in that the water reducer be calcium lignosulfonate,
One kind in Sodium Polyacrylate or sulfamic acid sodium.
6. a kind of sintered refractory block according to claim 1, it is characterised in that the foaming agent is dodecyl sulphate
One kind in sodium, sodium azodiisobutyronitrile or azodicarbonamide.
7. a kind of sintered refractory block according to claim 1, it is characterised in that the foam stabilizer is silicones polyethers breast
One kind in liquid, polyacrylamide or polyvinyl alcohol.
8. the preparation method of a kind of sintered refractory block as described in claim 1-7 any one, it is characterised in that including following
Step：
(1) the weight preparing material is pressed；
(2) will modified silica flour, magnesite slag, dolomite dust, bauxite, Fly-ash, expanded graphite, niobium carbide powder, nitridation
Boron powder, phosphatization silica flour and silicon carbide fibre co-grinding cross 80-120 mesh sieves, obtain powder；
(3) hot water that powder and surplus stock mix addition powder quality 60-80%, temperature is 75-85 DEG C is stirred mixed
It is even, ageing mixture 2-4 days are stood after mixing, obtain material；
(4) material is delivered in brick body mould, is subsequently compressed into adobe, adobe is placed in and bakes and banks up with earth drying and processing 3-5h in stove,
Drying temperature is 85-95 DEG C；
(5) adobe after drying is placed in kiln, furnace temperature is risen to 1080-1260 DEG C with 40-60 DEG C/min heating rate
8-12h is calcined, afterwards with furnace temperature natural cooling.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108083830A (en) * | 2017-12-12 | 2018-05-29 | 陈太师 | A kind of coke oven and the special heat conduction silica brick of hot-blast stove and preparation method thereof |
| CN110372340A (en) * | 2019-07-26 | 2019-10-25 | 马鞍山盛平新材料科技有限公司 | A kind of plastic refractory and preparation method thereof |
| CN110790579A (en) * | 2019-12-04 | 2020-02-14 | 冷水江市鑫达耐火材料制造有限公司 | Chromium-free refractory brick and preparation method thereof |
| CN112979326A (en) * | 2021-01-29 | 2021-06-18 | 临沂中联水泥有限公司 | Anti-skinning wear-resistant refractory material for preheater |
| CN114380609A (en) * | 2022-02-21 | 2022-04-22 | 江苏朗耐德耐火材料有限公司 | Refractory material for deacidification furnace refractory layer and preparation method thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1069013A (en) * | 1992-07-05 | 1993-02-17 | 田留旺 | Low-temperature quick-burning sanitary porcelain taking diopside as fluxing agent |
| CN1761635A (en) * | 2003-02-07 | 2006-04-19 | 联合矿物产品公司 | Crack-resistant dry refractory |
| CN102912686A (en) * | 2012-09-25 | 2013-02-06 | 蚌埠凤凰滤清器有限责任公司 | Filter paper for air filter containing modified nano bamboo charcoal powder |
| CN104909817A (en) * | 2015-06-09 | 2015-09-16 | 辽宁科技大学 | Magnesian porous heat insulating material and preparation method thereof |
| CN105565850A (en) * | 2015-12-11 | 2016-05-11 | 河南工业大学 | Micropore light weight silica brick and preparation method thereof |
-
2017
- 2017-07-26 CN CN201710615492.9A patent/CN107337462A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1069013A (en) * | 1992-07-05 | 1993-02-17 | 田留旺 | Low-temperature quick-burning sanitary porcelain taking diopside as fluxing agent |
| CN1761635A (en) * | 2003-02-07 | 2006-04-19 | 联合矿物产品公司 | Crack-resistant dry refractory |
| CN102912686A (en) * | 2012-09-25 | 2013-02-06 | 蚌埠凤凰滤清器有限责任公司 | Filter paper for air filter containing modified nano bamboo charcoal powder |
| CN104909817A (en) * | 2015-06-09 | 2015-09-16 | 辽宁科技大学 | Magnesian porous heat insulating material and preparation method thereof |
| CN105565850A (en) * | 2015-12-11 | 2016-05-11 | 河南工业大学 | Micropore light weight silica brick and preparation method thereof |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108083830A (en) * | 2017-12-12 | 2018-05-29 | 陈太师 | A kind of coke oven and the special heat conduction silica brick of hot-blast stove and preparation method thereof |
| CN110372340A (en) * | 2019-07-26 | 2019-10-25 | 马鞍山盛平新材料科技有限公司 | A kind of plastic refractory and preparation method thereof |
| CN110790579A (en) * | 2019-12-04 | 2020-02-14 | 冷水江市鑫达耐火材料制造有限公司 | Chromium-free refractory brick and preparation method thereof |
| CN112979326A (en) * | 2021-01-29 | 2021-06-18 | 临沂中联水泥有限公司 | Anti-skinning wear-resistant refractory material for preheater |
| CN114380609A (en) * | 2022-02-21 | 2022-04-22 | 江苏朗耐德耐火材料有限公司 | Refractory material for deacidification furnace refractory layer and preparation method thereof |
| CN114516760A (en) * | 2022-03-03 | 2022-05-20 | 广东韶钢松山股份有限公司 | Coke oven wall thermal state plastering and repairing refractory pug and preparation method and application thereof |
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Application publication date: 20171110 |
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