CN108262846B - Production line for producing foaming microcrystal fireproof heat-preserving decorative integrated plate by utilizing smelting slag - Google Patents
Production line for producing foaming microcrystal fireproof heat-preserving decorative integrated plate by utilizing smelting slag Download PDFInfo
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- CN108262846B CN108262846B CN201810086792.7A CN201810086792A CN108262846B CN 108262846 B CN108262846 B CN 108262846B CN 201810086792 A CN201810086792 A CN 201810086792A CN 108262846 B CN108262846 B CN 108262846B
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- China
- Prior art keywords
- foaming
- slag
- temperature
- production line
- microcrystal
- Prior art date
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- 238000005187 foaming Methods 0.000 title claims abstract description 113
- 239000002893 slag Substances 0.000 title claims abstract description 88
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 59
- 238000003723 Smelting Methods 0.000 title claims abstract description 42
- 239000013081 microcrystal Substances 0.000 title claims abstract description 30
- 238000002844 melting Methods 0.000 claims abstract description 51
- 230000008018 melting Effects 0.000 claims abstract description 46
- 238000002156 mixing Methods 0.000 claims abstract description 39
- 239000000843 powder Substances 0.000 claims abstract description 22
- 238000002425 crystallisation Methods 0.000 claims abstract description 21
- 230000008025 crystallization Effects 0.000 claims abstract description 21
- 238000010438 heat treatment Methods 0.000 claims abstract description 14
- 238000004321 preservation Methods 0.000 claims abstract description 13
- 238000005034 decoration Methods 0.000 claims abstract description 8
- 238000012805 post-processing Methods 0.000 claims abstract description 7
- 238000005245 sintering Methods 0.000 claims abstract description 7
- 238000002360 preparation method Methods 0.000 claims abstract description 6
- 239000000463 material Substances 0.000 claims description 83
- 239000010410 layer Substances 0.000 claims description 27
- 239000002344 surface layer Substances 0.000 claims description 26
- 239000006260 foam Substances 0.000 claims description 25
- 238000001816 cooling Methods 0.000 claims description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 22
- 239000003795 chemical substances by application Substances 0.000 claims description 19
- 239000003086 colorant Substances 0.000 claims description 19
- 239000004088 foaming agent Substances 0.000 claims description 16
- 238000001035 drying Methods 0.000 claims description 15
- 238000010791 quenching Methods 0.000 claims description 15
- 230000000171 quenching effect Effects 0.000 claims description 15
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 14
- 239000003381 stabilizer Substances 0.000 claims description 14
- 239000000203 mixture Substances 0.000 claims description 13
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 12
- 229910052802 copper Inorganic materials 0.000 claims description 12
- 239000010949 copper Substances 0.000 claims description 12
- 239000000155 melt Substances 0.000 claims description 11
- 229910000616 Ferromanganese Inorganic materials 0.000 claims description 9
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 9
- 238000005520 cutting process Methods 0.000 claims description 9
- 238000000227 grinding Methods 0.000 claims description 9
- DALUDRGQOYMVLD-UHFFFAOYSA-N iron manganese Chemical compound [Mn].[Fe] DALUDRGQOYMVLD-UHFFFAOYSA-N 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 9
- 238000003756 stirring Methods 0.000 claims description 9
- GNTDGMZSJNCJKK-UHFFFAOYSA-N divanadium pentaoxide Chemical compound O=[V](=O)O[V](=O)=O GNTDGMZSJNCJKK-UHFFFAOYSA-N 0.000 claims description 8
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical compound O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 claims description 8
- 238000005498 polishing Methods 0.000 claims description 8
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 claims description 7
- 238000006243 chemical reaction Methods 0.000 claims description 7
- 239000010436 fluorite Substances 0.000 claims description 7
- 229910052742 iron Inorganic materials 0.000 claims description 7
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 6
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 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 5
- VMHLLURERBWHNL-UHFFFAOYSA-M Sodium acetate Chemical compound [Na+].CC([O-])=O VMHLLURERBWHNL-UHFFFAOYSA-M 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 5
- 238000009413 insulation Methods 0.000 claims description 5
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 5
- NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical compound O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 claims description 5
- 238000012216 screening Methods 0.000 claims description 5
- 239000011734 sodium Substances 0.000 claims description 5
- 229910052708 sodium Inorganic materials 0.000 claims description 5
- 239000001632 sodium acetate Substances 0.000 claims description 5
- 235000017281 sodium acetate Nutrition 0.000 claims description 5
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 4
- 239000006004 Quartz sand Substances 0.000 claims description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 239000004115 Sodium Silicate Substances 0.000 claims description 4
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 4
- ADCOVFLJGNWWNZ-UHFFFAOYSA-N antimony trioxide Chemical compound O=[Sb]O[Sb]=O ADCOVFLJGNWWNZ-UHFFFAOYSA-N 0.000 claims description 4
- 229910021538 borax Inorganic materials 0.000 claims description 4
- 239000004327 boric acid Substances 0.000 claims description 4
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 claims description 4
- 239000010433 feldspar Substances 0.000 claims description 4
- 239000011777 magnesium Substances 0.000 claims description 4
- 229910052749 magnesium Inorganic materials 0.000 claims description 4
- VWDWKYIASSYTQR-UHFFFAOYSA-N sodium nitrate Chemical compound [Na+].[O-][N+]([O-])=O VWDWKYIASSYTQR-UHFFFAOYSA-N 0.000 claims description 4
- 239000001488 sodium phosphate Substances 0.000 claims description 4
- 229910000162 sodium phosphate Inorganic materials 0.000 claims description 4
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 4
- 229910052911 sodium silicate Inorganic materials 0.000 claims description 4
- 239000004328 sodium tetraborate Substances 0.000 claims description 4
- 235000010339 sodium tetraborate Nutrition 0.000 claims description 4
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 claims description 4
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 3
- YKTSYUJCYHOUJP-UHFFFAOYSA-N [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] Chemical compound [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] YKTSYUJCYHOUJP-UHFFFAOYSA-N 0.000 claims description 3
- CNLWCVNCHLKFHK-UHFFFAOYSA-N aluminum;lithium;dioxido(oxo)silane Chemical compound [Li+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O CNLWCVNCHLKFHK-UHFFFAOYSA-N 0.000 claims description 3
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 3
- 229910000365 copper sulfate Inorganic materials 0.000 claims description 3
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 3
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 3
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 3
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 3
- 229910052642 spodumene Inorganic materials 0.000 claims description 3
- 239000011701 zinc Substances 0.000 claims description 3
- 229910052725 zinc Inorganic materials 0.000 claims description 3
- 229910000604 Ferrochrome Inorganic materials 0.000 claims description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 2
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims description 2
- AYJRCSIUFZENHW-DEQYMQKBSA-L barium(2+);oxomethanediolate Chemical compound [Ba+2].[O-][14C]([O-])=O AYJRCSIUFZENHW-DEQYMQKBSA-L 0.000 claims description 2
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 claims description 2
- 230000005587 bubbling Effects 0.000 claims description 2
- 238000005266 casting Methods 0.000 claims description 2
- 239000000428 dust Substances 0.000 claims description 2
- 238000010304 firing Methods 0.000 claims description 2
- 239000010881 fly ash Substances 0.000 claims description 2
- 229910052744 lithium Inorganic materials 0.000 claims description 2
- 239000010446 mirabilite Substances 0.000 claims description 2
- 229910052759 nickel Inorganic materials 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 239000004317 sodium nitrate Substances 0.000 claims description 2
- 235000010344 sodium nitrate Nutrition 0.000 claims description 2
- 239000011787 zinc oxide Substances 0.000 claims description 2
- 239000006063 cullet Substances 0.000 claims 1
- 238000006477 desulfuration reaction Methods 0.000 claims 1
- 230000023556 desulfurization Effects 0.000 claims 1
- PYLLWONICXJARP-UHFFFAOYSA-N manganese silicon Chemical compound [Si].[Mn] PYLLWONICXJARP-UHFFFAOYSA-N 0.000 claims 1
- 238000005265 energy consumption Methods 0.000 abstract description 21
- 238000000034 method Methods 0.000 abstract description 11
- 239000002910 solid waste Substances 0.000 abstract description 3
- 238000003912 environmental pollution Methods 0.000 abstract 1
- 238000011084 recovery Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 7
- 239000002994 raw material Substances 0.000 description 7
- 238000010276 construction Methods 0.000 description 6
- 239000011810 insulating material Substances 0.000 description 5
- 239000004566 building material Substances 0.000 description 4
- 239000000292 calcium oxide Substances 0.000 description 4
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 4
- 239000011521 glass Substances 0.000 description 4
- 229910052500 inorganic mineral Inorganic materials 0.000 description 4
- 239000011707 mineral Substances 0.000 description 4
- 238000009628 steelmaking Methods 0.000 description 4
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 3
- 239000011575 calcium Substances 0.000 description 3
- 229910052791 calcium Inorganic materials 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000003344 environmental pollutant Substances 0.000 description 3
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 3
- 239000011574 phosphorus Substances 0.000 description 3
- 229910052698 phosphorus Inorganic materials 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 230000000630 rising effect Effects 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 2
- 229910004298 SiO 2 Inorganic materials 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 238000000498 ball milling Methods 0.000 description 2
- AYJRCSIUFZENHW-UHFFFAOYSA-L barium carbonate Chemical compound [Ba+2].[O-]C([O-])=O AYJRCSIUFZENHW-UHFFFAOYSA-L 0.000 description 2
- 125000005619 boric acid group Chemical group 0.000 description 2
- 229910052918 calcium silicate Inorganic materials 0.000 description 2
- 235000012241 calcium silicate Nutrition 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 239000010459 dolomite Substances 0.000 description 2
- 229910000514 dolomite Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 1
- 206010000369 Accident Diseases 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 229910000720 Silicomanganese Inorganic materials 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052661 anorthite Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 235000001465 calcium Nutrition 0.000 description 1
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 1
- 239000000378 calcium silicate Substances 0.000 description 1
- JHLNERQLKQQLRZ-UHFFFAOYSA-N calcium silicate Chemical compound [Ca+2].[Ca+2].[O-][Si]([O-])([O-])[O-] JHLNERQLKQQLRZ-UHFFFAOYSA-N 0.000 description 1
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 description 1
- -1 calmaghemite Chemical compound 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000011362 coarse particle Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- GWWPLLOVYSCJIO-UHFFFAOYSA-N dialuminum;calcium;disilicate Chemical compound [Al+3].[Al+3].[Ca+2].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-] GWWPLLOVYSCJIO-UHFFFAOYSA-N 0.000 description 1
- BCAARMUWIRURQS-UHFFFAOYSA-N dicalcium;oxocalcium;silicate Chemical compound [Ca+2].[Ca+2].[Ca]=O.[O-][Si]([O-])([O-])[O-] BCAARMUWIRURQS-UHFFFAOYSA-N 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 229910052840 fayalite Inorganic materials 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 229940077441 fluorapatite Drugs 0.000 description 1
- 229910052587 fluorapatite Inorganic materials 0.000 description 1
- 239000011494 foam glass Substances 0.000 description 1
- 229910052839 forsterite Inorganic materials 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000012774 insulation material Substances 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
- HCWCAKKEBCNQJP-UHFFFAOYSA-N magnesium orthosilicate Chemical compound [Mg+2].[Mg+2].[O-][Si]([O-])([O-])[O-] HCWCAKKEBCNQJP-UHFFFAOYSA-N 0.000 description 1
- 238000010309 melting process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000011490 mineral wool Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- MKTRXTLKNXLULX-UHFFFAOYSA-P pentacalcium;dioxido(oxo)silane;hydron;tetrahydrate Chemical compound [H+].[H+].O.O.O.O.[Ca+2].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[O-][Si]([O-])=O.[O-][Si]([O-])=O.[O-][Si]([O-])=O.[O-][Si]([O-])=O.[O-][Si]([O-])=O.[O-][Si]([O-])=O MKTRXTLKNXLULX-UHFFFAOYSA-P 0.000 description 1
- VSIIXMUUUJUKCM-UHFFFAOYSA-D pentacalcium;fluoride;triphosphate Chemical compound [F-].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O VSIIXMUUUJUKCM-UHFFFAOYSA-D 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 239000006104 solid solution Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 229910021534 tricalcium silicate Inorganic materials 0.000 description 1
- 235000019976 tricalcium silicate Nutrition 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B15/00—General arrangement or layout of plant ; Industrial outlines or plant installations
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Glass Compositions (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a production line for producing a foaming microcrystal fireproof heat-preservation decoration integrated plate by utilizing smelting slag, which sequentially comprises the following steps: a feeding unit, a mixing and melting unit,Powder preparation unit, foaming sintering heat treatment unit and post-processing treatment unit, foaming microcrystal fireproof heat-insulating decorative integrated plate produced by smelting slag, and the comprehensive performance can meet the requirements of various public and civil buildings, and the volume weight is not more than 200kg/m 3 The heat conductivity coefficient is 0.05-0.09W/m.k, the compressive strength is 4-7 Mpa, the flexural strength is 3-6 MPa, the highest heat-resistant temperature is 750-800 ℃, and the A-level is nonflammable; the method realizes the double recovery of the resources and the energy sources of the metallurgical solid wastes, completes the foaming and crystallization processes in one step, reduces the energy consumption and the cost of the product production, reduces the exploitation of natural resources and environmental pollution, and maintains the virtuous circle of an ecological system.
Description
Technical Field
The invention belongs to the technical field of manufacturing of building wall heat-insulating materials, relates to a production line for producing inorganic foaming microcrystalline plates by using smelting slag, and in particular relates to a production line for producing inorganic foaming microcrystalline plates with fireproof, heat-insulating and decorative functions by using the smelting slag as a main raw material.
Background
At present, the energy consumption of the buildings in China (including construction energy consumption, living energy consumption, heating air conditioner and the like) accounts for about 30% of the total social energy consumption, and if the energy consumption in the building material production process (16.7% of the total social energy consumption) is added, the energy consumption related to the buildings can account for 46.7% of the total social energy consumption. The building energy consumption is parallel to the industrial energy consumption and the traffic energy consumption and becomes three 'energy consumption households' of the energy consumption in China, and the building energy consumption has a trend of rapid rising along with continuous rising of the total building amount and rising of living comfort in recent years.
The traditional building material production process uses natural ore as a main raw material, and adopts the processes of melting, calcining, drying, screening, grinding and the like to produce and manufacture, so that a large amount of non-renewable resources and energy sources are consumed, and pollutant emissions such as waste water, waste gas, waste residues and the like are generated, thereby causing great damage to the environment. Meanwhile, one of the measures for building energy conservation is to perform wall heat preservation, and building wall heat preservation materials can be divided into two main types of organic and inorganic according to chemical properties: the organic wall heat-insulating material, such as polystyrene, polyurethane, phenolic resin and other foam, has the advantages of light weight and good heat-insulating property, but the organic wall heat-insulating material is easy to age, and has the problems of cracking and falling off of a heat-insulating layer and a decorative layer, high later maintenance cost, incapability of having the same service life as a building and the like. More serious, the organic heat-insulating material has poor fireproof safety, and fire accidents caused by ignition of the organic heat-insulating material frequently happen worldwide, particularly when a high-rise building is in a fire, huge property loss and casualties are caused due to strong smoke, high smoke toxicity and difficult escape.
The traditional foaming microcrystal integrated plate production line takes cold natural minerals such as quartz sand, dolomite, feldspar and the like as main raw materials, and the traditional glass melting furnace has the disadvantages of high fuel consumption, serious pollution emission, high raw material variety replacement difficulty and long replacement period (1-2 days); the drying and crushing after water quenching are carried out step by step, and the grinding of the granule materials is generally carried out by adopting ball milling, so that the yield is low and the energy consumption is high; the inorganic wall thermal insulation material produced by the method is such as rock wool boards, calcium silicate boards, foam glass boards, foam ceramic boards and other materials, and has the problems of low board strength, high water absorption, easiness in pulverization after meeting water and the like, meanwhile, the decorative layer and the thermal insulation layer are adhered by an adhesive, the decorative layer is easy to age, personnel injury is caused after falling off, and later maintenance cost is increased.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention aims to provide a production line for producing foaming microcrystal fireproof heat-insulating decorative integrated plates by utilizing smelting slag, wherein the smelting slag is introduced into the production line of the integrated plates, and the related process and equipment are subjected to integrated innovation, so that the production energy consumption of products is reduced, and the resource consumption is reduced.
The invention further aims to provide the foaming microcrystal fireproof heat-insulating decorative integrated board prepared by the production line, which is a novel inorganic building material integrating fireproof, heat-insulating and decoration, wherein the decorative layer and the heat-insulating layer are sintered into a whole at high temperature and never fall off, and the foaming microcrystal fireproof heat-insulating decorative integrated board has the advantages of small volume weight, A-level incombustibility, easiness in construction, same service life as a building and the like, shortens the construction period while realizing fireproof, heat-insulating and decorative multifunction, reduces the comprehensive construction cost of the building, and is widely applied to the energy-saving fields of various public and civil buildings.
The above object of the present invention is achieved by the following technical solutions:
production line for producing foaming microcrystal fireproof heat-preservation decoration integrated plate by utilizing smelting slag sequentially comprises the following steps: the device comprises a feeding unit, a mixing and melting unit, a powder preparation unit, a foaming sintering heat treatment unit and a post-processing treatment unit, wherein,
the mixing and melting unit comprises a mixing furnace and a melting furnace which are arranged at high and low positions, and the bottom of the mixing furnace is connected with the top of the melting furnace through a connecting trough;
the powder preparation unit comprises a high-pressure water quenching system, a drying and crushing integrated machine, a vibrating screen, a surface layer material bin, a vertical mill, a vertical planetary stirring mixer and a foaming material bin; the high-pressure water quenching system is arranged below the melting furnace and is connected with a feed inlet of the drying and crushing integrated machine; the discharge port of the drying and crushing integrated machine is connected with the feed port of the vibrating screen through a conveyor belt; the vibrating screen is respectively connected with a feed inlet of the surface layer material bin and a feed inlet of the vertical mill; the top of the vertical planetary stirring mixer is connected with a discharge hole at the bottom of the vertical mill, and the bottom of the vertical planetary stirring mixer is connected with the top of the foaming material bin through a conveyor belt;
the foaming sintering heat treatment unit sequentially comprises a powder distributor, a kiln car with a fireproof die and a gas tunnel kiln; the powder distributor is respectively connected with a discharge hole of the surface layer material bin and a discharge hole at the bottom of the foaming material bin; the kiln car is arranged below the powder distributor and can move from the head part to the tail part of the gas tunnel kiln;
the post-processing unit comprises a cutting machine and a polishing machine, wherein one side of the cutting machine is connected with the outlet of the gas tunnel kiln, and the other side of the cutting machine is connected with the inlet of the polishing machine.
Further, a receiving port is arranged above one side of the mixing furnace, a flashboard of a discharging port of the mixing furnace is arranged below the other side of the mixing furnace, a high-temperature liquid level instrument of the mixing furnace is arranged at the top of the mixing furnace, a bubbling device is arranged at the bottom of the mixing furnace, and a plurality of heating electrodes are uniformly distributed in the mixing furnace.
Further, a melting furnace discharge gate flashboard and a melting furnace discharge chute are arranged below the melting furnace, a melting furnace high-temperature liquid level instrument is arranged at the top, and a plurality of heating electrodes are uniformly distributed in the melting furnace.
Further, the bottom of the receiving hole is of a thickened slope structure, and a receiving hole cover plate and a dust hood are arranged above the bottom of the receiving hole.
Further, the charging unit comprises a slag ladle car and a cold component regulator bin with a discharging chute arranged at the bottom, and the cold component regulator bin are both arranged at a receiving port of the mixing furnace.
Further, the gas tunnel kiln is sequentially provided with a preheating area, a firing area and a cooling area from approaching the powder distributor, and a full-automatic temperature control system is arranged.
Further, the connecting trough is open, and a colorant bin is arranged above the connecting trough.
According to a second aspect of the invention, the production process for preparing the foaming microcrystal fireproof heat-preservation decorative integrated plate by the production line comprises the following steps:
s1, pouring smelting slag with slag discharging temperature of 1400-1500 ℃ into a smelting slag component adjusting industrial furnace at a speed of 1-2 t/hr, and simultaneously adding a cold component adjusting agent, wherein the mass percent of the smelting slag is 40-80%, and the mass percent of the cold component adjusting agent is 20-60%;
s2, fully mixing and melting the smelting slag and the cold component regulator in the step S1 in a smelting slag component regulating industrial furnace, wherein the melting temperature is 1450-1550 ℃, the melting time is 18-36 h, and simultaneously, adding a trace colorant accounting for 0.01-3% of the total amount of the melt from a connecting trough, and carrying out a series of high-temperature reactions to obtain a high-temperature melt;
s3, the high-temperature melt obtained in the step S2 flows out of a discharge hole according to the melt flow rate of 2-10 t/h and then carries out high-pressure water quenching, water quenching particles are fished out, dehydrated and dried, and then the surface layer material and the foaming material are obtained through crushing, grinding and screening; wherein the water pressure of the high-pressure water quenching is 3-5 KPa, and the water quantity is 20-100 t/h; the drying temperature is 200-300 ℃ and the drying time is 90-150 min;
s4, mixing the foaming material obtained in the step S3 with a foaming agent, a foam stabilizer and a fluxing agent in proportion for 15-30 min, wherein the foaming agent is 0.5-5% of the foaming material, the foam stabilizer is 2-5% of the foaming material, and the fluxing agent is 2-4% of the foaming material; then a powder spreader and the surface layer material obtained in the step S3 are respectively and evenly paved into a lower layer and an upper layer of a die in sequence, and aluminum silicate high-temperature heat insulation paper is paved on the bottom surface and the periphery of the die; pushing the mould paved with the powder into a tunnel kiln for sintering heat treatment to obtain a foaming microcrystalline plate; wherein the foaming temperature is 850-1050 ℃, and the foaming time is 60-150 min; the crystallization temperature is 1020-1150 ℃ and the crystallization time is 40-100 min; the average cooling speed is 5-15 ℃/min, the cooling time is 80-200 min, and the cooling temperature is below 100 ℃;
and S5, taking out the foamed microcrystalline board subjected to heat treatment in the step S4, demolding, cutting off the concave-convex surface layer and the peripheral corners, and polishing the finish coat to obtain the foamed microcrystalline fireproof heat-insulating decorative integrated board.
Further, in step S1, the smelting slag is one of red mud, copper slag, iron slag, steel slag, lead slag, zinc slag, nickel slag, silicomanganese slag, casting residue, ferrochrome slag, magnesium slag, lithium slag, ferromanganese slag and desulphurized and dephosphorized slag.
In step S1, the cold component regulator is one or more of barium carbonate, sodium carbonate, feldspar, quartz sand, sodium nitrate, zinc oxide, spodumene, antimony trioxide, mirabilite, fluorite, fly ash, and broken glass.
Further, in step S2, the colorant is one or more of ferric oxide, manganese dioxide, copper sulfate and vanadium pentoxide.
Further, in the step S3, the granularity of the surface layer material is 50-150 meshes, and the granularity of the foaming material is 250-1000 meshes.
Further, in step S4, the foaming agent is one or more of carbon powder, sodium silicate, calcium carbonate, aluminum nitride, silicon carbide and sodium hydroxide; the foam stabilizer is one or more of sodium phosphate, sodium acetate and boric acid; the fluxing agent is one or more of borax, fluorite and sodium fluosilicate.
Further, in the step S4, the grinding equipment is a CLUM-1425 vertical mill, and the output per machine hour is 30t/h; the screening equipment is an HC-1000-3S type vibrating screen, and the screening precision is not less than 90%; the mixing equipment is an XLH-3000 type vertical planetary stirring mixer; the powder distributor is of a SY-F02 type, the weighing range is 100-200 kg, and the distribution precision is 1%; the tunnel kiln is a SKF-20 type gas tunnel kiln, and the heat treatment temperature interval is 100-1200 ℃.
Further, in step S5, the cutter is of SD-2400 type, and the polisher is of HF-R20 type.
In the third aspect of the invention, the foaming microcrystal fireproof heat-insulating decorative integrated plate prepared by the production line and the production process has a volume weight of not more than 200kg/m 3 The heat conductivity coefficient is 0.05-0.09W/m.k, the compressive strength is 4-7 Mpa, the flexural strength is 3-6 MPa, the highest heat-resistant temperature is 750-800 ℃, and the A-level incombustibility is achieved.
Compared with the prior art, the invention has the positive progress effects that:
(1) The production line of the invention solves the problems of large fuel consumption, serious pollution emission and the like when the traditional glass melting furnace is adopted by taking cold natural minerals such as quartz sand, dolomite, feldspar and the like as main raw materials in the traditional production line; the high-temperature smelting slag is taken as a main raw material, cold component regulators such as barium carbonate and sodium carbonate are added, and the industrial furnace is regulated to be fully mixed and melted through the special smelting slag components, so that the production energy consumption is greatly reduced, and the pollutant emission in the melting process is reduced; and the foaming and crystallization reaction is completed in one step, so that the energy consumption and the production cost of the product are further reduced, the metallurgical solid waste storage site and the emission of production pollutants are reduced, secondary solid waste is not generated in the production process, and the energy-saving and environment-friendly benefits are huge.
(2) The raw material variety replacement difficulty in the existing production line is high, the replacement period is long and is generally 1-2 days, and the color of the product (about half a day) can be quickly adjusted through the colorant adding equipment arranged at the connecting trough; various color fabric layers can be paved through the cloth machine, and the color and the decoration effect of the product are improved.
(3) The existing production line generally adopts ball milling to grind the particles, so that the yield is low and the energy consumption is high; the invention adopts the vertical mill to grind, has large yield and low energy consumption, and adopts the drying and crushing integrated machine, thereby simplifying the production process and improving the production efficiency.
(4) The production line introduces high-temperature smelting slag into the production line of the integrated plate to prepare the novel inorganic building material integrating fireproof, heat preservation and decoration, wherein the decoration layer and the heat preservation layer are sintered into a whole at high temperature and never fall off.
(5) The foaming microcrystal fireproof heat-insulating decorative integrated plate prepared by the production line can meet the requirements of various public and civil buildings, is particularly suitable for wall heat insulation, and has the volume weight of not more than 200kg/m 3 The heat conductivity coefficient is 0.05-0.09W/m.k, the compressive strength is 4-7 Mpa, the flexural strength is 3-6 Mpa, the highest heat-resistant temperature is 750-800 ℃, the A level is incombustible, the installation mode is simple and quick, the limitation of climate and geographical environment is avoided, the construction period is obviously shortened, and the comprehensive construction cost of the building is reduced.
Drawings
FIG. 1 is a flow chart of a production process for preparing a foaming microcrystalline fireproof heat-insulating decorative integrated plate by a production line;
FIG. 2 is a schematic diagram of a production line arrangement of the present invention;
FIG. 3 is a schematic diagram of the structure of the charging unit and the hybrid melting unit of the present invention;
FIG. 4 is a schematic view showing the structure of a powder preparation unit of the present invention;
FIG. 5 is a schematic view of the structure of the foam sintering heat treatment unit of the present invention;
FIG. 6 is a schematic diagram of the structure of the post-processing unit of the present invention; wherein:
1 a-slag pot car; 1 b-a cold component regulator bin, 1 c-a blanking chute, 2-a mixing furnace, 201-a material receiving hole cover plate, 202-a material receiving hole, 203-a mixing furnace discharge hole, 204-a mixing furnace discharge hole flashboard and 205-a mixing furnace high-temperature liquid level instrument; 3-melting furnace, 301-melting furnace discharge port, 302-melting furnace discharge port flashboard, 303-melting furnace high temperature liquid level instrument and 304-melting furnace discharge chute; 4-connecting trough, 401-colorant bin; 5-a high-pressure water quenching system; 6-drying and crushing integrated machine; 7-a vibrating screen; 8-a surface layer material bin; 9-vertical grinding; 10-a vertical planetary stirring mixer; 11-foaming material bin; 12-a powder distributor; 13-kiln car; 14-a gas tunnel kiln; 15-a cutting machine; 16-polishing machine.
Detailed Description
The following description of the preferred embodiments of the present invention will be given with reference to the accompanying drawings, to illustrate the technical solution of the present invention in detail, but the scope of the present invention is not limited to the following embodiments.
As shown in fig. 1, 2 and 3, the smelting slag is transported to a production plant by a slag ladle 1, the slag ladle is lifted by a travelling crane in the plant, the slag is poured into a mixing furnace 2, and the mixture in a cold composition regulator bin 201 is simultaneously added along a blanking chute 202 while the slag is poured. After the material is fed, the material receiving opening cover plate 201 is pushed to a working position along the guide rail, and the material receiving opening 202 is closed, so that heat dissipation is avoided. After the cold and hot materials are fully mixed and primarily melted in the mixing furnace 2, the cold and hot materials flow out of the mixing furnace discharge port 203 and enter the melting furnace 3 along the connecting trough 4, and the flow rate of the cold and hot materials is controlled by the mixing furnace discharge port flashboard 204 and the mixing furnace high-temperature liquid level meter 205 in a linkage way. The colorant in the colorant bin 401 is added from the connecting trough 4, all materials are further melted and homogenized in the melting furnace 3, complete high-temperature physicochemical reaction is carried out, the colorant flows out from the melting furnace discharge port 301 after the requirement of the subsequent product production process is met, the flow rate of the colorant is controlled by the melting furnace discharge port flashboard 302 and the melting furnace high-temperature liquid level instrument 303 in a linkage way, and the melt flows into the high-pressure water quenching system 5 along the melting furnace discharge chute 304.
As shown in fig. 4-6, the water quenched granular materials are fished out from the water quenching tank, are dehydrated and ground by adopting a drying and crushing integrated machine 6, are screened by a vibrating screen 7, the screened fine particles are conveyed to a surface material bin 8, and the coarse particles are conveyed to a grinding head of a vertical mill 9 for grinding. The foamed powder obtained by grinding is mixed with a foaming agent, a foam stabilizer and a fluxing agent in a vertical planetary stirring mixer 10 according to a certain proportion, and the mixture is conveyed to a foaming material bin 11. Powder distributor 12 is adopted to respectively pave the surface layer material and the foaming material on the lower layer and the upper layer of the kiln car 13 fireproof mold, and aluminum silicate high-temperature heat insulation paper is paved on the bottom surface and the periphery of the mold so as to facilitate demolding. Pushing the paved surface layer material and foaming material mold together with kiln car 13 into gas tunnel kiln 14 for foaming and crystallization, cooling, delivering from kiln tail, taking down the sintered foaming microcrystal integrated plate from kiln car 13, delivering into cutter 15 for processing into different specifications and sizes according to order requirement, and finally polishing the decorative layer with polisher 16, packaging and leaving factory.
The production process in the following examples is basically the same as the above process, except that the smelting slag, the cold component regulator, the foaming agent, the foam stabilizer, the fluxing agent, the type and the amount of the colorant, the granularity of the surface layer material and the foaming material, the temperature and the time of the melting, foaming and crystallization processes, the average cooling speed of the tunnel kiln, and the appearance and the product performance of the obtained foaming microcrystalline fireproof heat-insulating decorative integrated plate are different.
Example 1
Copper slag is slag generated in the copper smelting process, belongs to one of nonferrous metal slag, waste slag discharged from copper smelting by adopting a reverberatory furnace method is reverberatory furnace copper slag, waste slag discharged from copper smelting by adopting a blast furnace is blast furnace copper slag, each time 1t of copper is smelted, 10-20 t of slag is generated by adopting the reverberatory furnace method, and 50-100 t of slag is generated by adopting the blast furnace method. The chemical composition of the copper slag comprises the following components in percentage by mass: 30-40% SiO 2 ，5～10％CaO，1～5％NaO，2～4％Al 2 O 3 In addition, a large amount of iron 27-35% and a small amount of zinc 2-3%; the main mineral phase is fayalite (FeSiO 90% 4 ) Next are magnetite, vitreous and sulphide.
Smelting copper slag by a 50% reverberatory furnace, and producing a foaming microcrystal fireproof heat-insulating decorative integrated plate by using a 50% cold component regulator, wherein the smelting temperature is 1480 ℃, the smelting time is 24 hours, the colorant is manganese dioxide, and the addition amount is 0.05% of a melt; the granularity of the surface layer material is 80 meshes, the granularity of the foaming material is 300 meshes, wherein the foaming agent is calcium carbonate, the addition amount is 2% of the foaming material, the foam stabilizer is sodium acetate, the addition amount is 3% of the foaming material, the fluxing agent is fluorite, and the addition amount is 2.5% of the foaming material; the foaming temperature is 1020 ℃, the foaming time is 90min, the crystallization temperature is 1050 ℃, the crystallization time is 60min, the average cooling speed is 8 ℃/min, and the cooling time is 140min.
The facing layer of the obtained foam microcrystal fireproof heat-insulating decorative integrated plate is beige, the thickness of the facing layer is 5mm, the thickness of the foaming layer is 50mm, and the whole volume weight is 160kg/m 3 The heat conductivity coefficient is 0.07W/m.k, the compressive strength is 5.53Mpa, the flexural strength is 4.33MPa, the highest heat-resistant temperature is 750 ℃, and the A-level is nonflammable.
Example 2
Producing a foaming microcrystalline fireproof heat-insulating decorative integrated plate by using 60% of blast furnace copper slag and 40% of cold component regulator, wherein the melting temperature is 1520 ℃, the melting time is 30 hours, the colorant is ferric oxide, and the addition amount is 0.12% of the melt; the granularity of the surface layer material is 100 meshes, the granularity of the foaming material is 250 meshes, wherein the foaming agent is a mixture of sodium silicate and aluminum nitride, the addition amount of the foaming agent is 2.5 percent of the foaming material, the addition amount of the foam stabilizer is 3.6 percent of the foaming material, the addition amount of the fluxing agent is sodium fluosilicate, and the addition amount of the fluxing agent is 3 percent of the foaming material; the foaming temperature is 1040 ℃, the foaming time is 100min, the crystallization temperature is 1070 ℃, the crystallization time is 80min, the average cooling speed is 10 ℃/min, and the cooling time is 120min.
The finish coat of the obtained foaming microcrystal fireproof heat-preserving decorative integrated plate is light yellow, the thickness of the finish coat is 8mm, the thickness of the foaming layer is 60mm, and the whole volume weight is 170kg/m 3 The heat conductivity coefficient is 0.08W/m.k, the compressive strength is 5.84Mpa, the flexural strength is 4.85MPa, the highest heat-resistant temperature is 770 ℃, and the A-level is nonflammable.
Example 3
The ferromanganese slag is an industrial waste residue discharged during ferromanganese alloy smelting, and generally 2.0-2.5 t ferromanganese slag is produced per 1t of ferromanganese alloy, and the chemical components of the ferromanganese slag are CaO and SiO 2 ，Al 2 O 3 CaO and SiO thereof 2 The mass ratio is more than 1.2, belongs to alkaline slag, is glass body about 80 percent, and contains anorthite and C 2 S, small amount of crystals such as tobermorite, spodumene and the like.
Producing a foaming microcrystalline fireproof heat-insulating decorative integrated plate by using 65% ferromanganese smelting slag and 35% cold component regulator, wherein the melting temperature is 1470 ℃, the melting time is 20 hours, the colorant is vanadium pentoxide, and the addition amount is 0.8% of the melt; the granularity of the surface layer material is 120 meshes, the granularity of the foaming material is 400 meshes, wherein the foaming agent is a mixture of sodium silicate and aluminum nitride, the addition amount is 0.8% of the foaming material, the foam stabilizer is a mixture of sodium phosphate and sodium acetate, the addition amount is 2% of the foaming material, the fluxing agent is a mixture of borax and fluorite, and the addition amount is 2.2% of the foaming material; the foaming temperature is 970 ℃, the foaming time is 60min, the crystallization temperature is 1020 ℃, the crystallization time is 90min, the average cooling speed is 5 ℃/min, and the cooling time is 200min.
The decorative surface layer of the obtained foam microcrystal fireproof heat-insulating decorative integrated plate is coffee-colored, the thickness of the decorative surface layer is 10mm, the thickness of the foam layer is 40mm, and the whole volume weight is 150kg/m 3 The heat conductivity coefficient is 0.06W/m.k, the compressive strength is 5.17Mpa, the flexural strength is 4.12MPa, the highest heat-resistant temperature is 780 ℃, and the A-level is nonflammable.
Example 4
80% ferromanganese smelting slag and 20% cold component regulator are used for producing a foaming microcrystal fireproof heat-insulating decorative integrated plate, the smelting temperature is 1450 ℃, the smelting time is 28 hours, the colorant is copper sulfate, and the addition amount is 1.2% of the melt; the granularity of the surface layer material is 150 meshes, the granularity of the foaming material is 500 meshes, wherein the foaming agent is silicon carbide, the addition amount is 1.5% of the foaming material, the foam stabilizer is a mixture of sodium phosphate and sodium acetate, the addition amount is 2.4% of the foaming material, the fluxing agent is borax, and the addition amount is 2.7% of the foaming material; the foaming temperature is 1010 ℃, the foaming time is 80min, the crystallization temperature is 1060 ℃, the crystallization time is 100min, the average cooling speed is 7 ℃/min, and the cooling time is 160min.
The finish coat of the obtained foam microcrystal fireproof heat-insulating decorative integrated plate is wine red, the thickness of the finish coat is 12mm, the thickness of the foam layer is 50mm, and the whole volume weight is 140kg/m 3 The heat conductivity coefficient is 0.05W/m.k, the compressive strength is 4.32Mpa, the flexural strength is 3.79Mpa, the highest heat-resistant temperature is 760 ℃, and the A-level is nonflammable.
Example 5
The steel slag is slag discharged in the steelmaking process, and the steelmaking process oxidizes elements such as carbon, titanium, manganese, silicon, phosphorus and the like in molten iron by using air or oxygen with higher purity so as to remove the impurities, wherein about 130-240 kg of steel slag is produced per 1t of steel produced. The steel slag is mainly composed of calcium, iron, silicon, magnesium, a small amount of oxides of aluminum, manganese, phosphorus and the like, and the main mineral phases are solid solution formed by tricalcium silicate, dicalcium silicate, calcium forsterite, calmaghemite, calcium aluminoferrite and oxides of silicon, magnesium, iron, manganese, phosphorus, a small amount of free calcium oxide, metallic iron, fluorapatite and the like.
Producing a foaming microcrystalline fireproof heat-insulating decorative integrated plate by using 40% of steelmaking slag and 60% of cold component regulator, wherein the melting temperature is 1550 ℃, the melting time is 30 hours, the colorant is ferric oxide and manganese dioxide, and the addition amount is 2% of the melt; the granularity of the surface layer material is 50 meshes, the granularity of the foaming material is 350 meshes, wherein the foaming agent is carbon powder, the addition amount is 4% of the foaming material, the foam stabilizer is boric acid, the addition amount is 4.5% of the foaming material, the fluxing agent is a mixture of fluorite and sodium fluosilicate, and the addition amount is 3.5% of the foaming material; the foaming temperature is 880 ℃, the foaming time is 120min, the crystallization temperature is 1120 ℃, the crystallization time is 50min, the average cooling speed is 12 ℃/min, and the cooling time is 90min.
The finish coat of the obtained foam microcrystal fireproof heat-insulating decorative integrated plate is dark black, the thickness of the finish coat is 6mm, the thickness of the foam layer is 70mm, and the whole volume weight is 180kg/m 3 The heat conductivity coefficient is 0.08W/m.k, the compressive strength is 6.15Mpa, the flexural strength is 5.28MPa, the highest heat-resistant temperature is 800 ℃, and the A-level is nonflammable.
Example 6
45% of steelmaking slag and 55% of cold component regulator are used for producing a foaming microcrystalline fireproof heat-insulating decorative integrated plate, the melting temperature is 1530 ℃, the melting time is 36 hours, the colorant is a mixture of vanadium pentoxide and ferric oxide, and the addition amount is 3% of the melt; the granularity of the surface layer material is 70 meshes, the granularity of the foaming material is 300 meshes, wherein the foaming agent is a mixture of sodium hydroxide and carbon powder, the addition amount of the foaming agent is 5% of the foaming material, the addition amount of the foam stabilizer is boric acid, the addition amount of the foaming material is 5%, the fluxing agent is sodium fluosilicate, and the addition amount of the foaming material is 4%; the foaming temperature is 950 ℃, the foaming time is 150min, the crystallization temperature is 1150 ℃, the crystallization time is 70min, the average cooling speed is 15 ℃/min, and the cooling time is 80min.
The facing layer of the obtained foam microcrystal fireproof heat-insulating decorative integrated plate is light gray, the thickness of the facing layer is 9mm, the thickness of the foaming layer is 60mm, and the whole volume weight is 200kg/m 3 The heat conductivity coefficient is 0.09W/m.k, the compressive strength is 6.96Mpa, the flexural strength is 5.72MPa, the highest heat-resistant temperature is 800 ℃, and the A-level is nonflammable.
The foregoing is illustrative of a preferred embodiment of the present invention, but the present invention should not be limited to the disclosure of this embodiment. So that equivalents and modifications will fall within the scope of the invention, all within the spirit and scope of the invention as disclosed.
Claims (12)
1. Utilize production line of foaming microcrystalline fireproof heat preservation decoration intergral template of smelting slag production, its characterized in that includes in proper order: the device comprises a feeding unit, a mixing and melting unit, a powder preparation unit, a foaming sintering heat treatment unit and a post-processing treatment unit, wherein,
the mixing and melting unit comprises a mixing furnace (2) and a melting furnace (3) which are arranged at high and low positions, and the bottom of the mixing furnace (2) is connected with the top of the melting furnace (3) through a connecting trough (4);
a receiving port (202) is arranged above one side of the mixing furnace (2), a mixing furnace discharging port flashboard (204) is arranged below the other side of the mixing furnace, a mixing furnace high-temperature liquid level instrument (205) is arranged at the top of the mixing furnace, a bubbling device is arranged at the bottom of the mixing furnace, and a plurality of heating electrodes are uniformly distributed in the mixing furnace;
a melting furnace discharge gate plate (302) and a melting furnace discharge chute (304) are arranged below the melting furnace (3), a melting furnace high-temperature liquid level instrument (303) is arranged at the top, and a plurality of heating electrodes are uniformly distributed in the melting furnace high-temperature liquid level instrument;
the powder preparation unit comprises a high-pressure water quenching system (5), a drying and crushing integrated machine (6), a vibrating screen (7), a surface layer material bin (8), a vertical mill (9), a vertical planetary stirring mixer (10) and a foaming material bin (11); the high-pressure water quenching system (5) is arranged below the melting furnace (3) and is connected with a feed inlet of the drying and crushing integrated machine (6); the discharge port of the drying and crushing integrated machine (6) is connected with the feed port of the vibrating screen (7) through a conveyor belt; the vibrating screen (7) is respectively connected with a feed inlet of the surface layer material bin (8) and a feed inlet of the vertical mill (9); the top of the vertical planetary stirring mixer (10) is connected with a discharge hole at the bottom of the vertical mill (9), and the bottom of the vertical planetary stirring mixer (10) is connected with the top of the foaming material bin (11) through a conveyor belt;
the foaming sintering heat treatment unit comprises a powder distributor (12), a kiln car (13) with a fireproof die and a gas tunnel kiln (14); the powder distributor (12) is respectively connected with a discharge hole of the surface layer material bin (8) and a discharge hole at the bottom of the foaming material bin (11); the kiln car (13) is arranged below the powder distributor (12) and can move in the gas tunnel kiln (14);
the post-processing unit comprises a cutting machine (15) and a polishing machine (16), wherein one side of the cutting machine (15) is connected with an outlet of the gas tunnel kiln (14), and the other side of the cutting machine is connected with an inlet of the polishing machine (16).
2. The production line for producing the foaming microcrystal fireproof heat-insulating decorative integrated plate by utilizing the smelting slag according to claim 1, wherein the bottom of the receiving port (202) is of a thickened slope structure, and a receiving port cover plate (201) and a dust hood are arranged above the receiving port cover plate.
3. The production line for producing the foamed microcrystalline fireproof heat-insulating decorative integrated plate by utilizing the smelting slag according to claim 1, wherein the charging unit comprises a slag ladle car (1 a) and a cold component regulator bin (1 b) with a blanking chute (1 c) arranged at the bottom, and the cold component regulator bin are both arranged at a receiving opening (202) of the mixing furnace (2).
4. The production line for producing the foaming microcrystal fireproof heat-preservation decorative integrated plate by utilizing the smelting slag according to claim 1, wherein the connecting trough (4) is open, and a colorant bin (401) is arranged above the connecting trough.
5. The production line for producing the foaming microcrystal fireproof heat-preservation decoration integrated board by utilizing the smelting slag according to claim 1, wherein the gas tunnel kiln (14) is sequentially provided with a preheating zone, a firing zone and a cooling zone from the powder distributor (12), and is provided with a full-automatic temperature control system.
6. The production process for preparing the foaming microcrystalline fireproof heat-insulating decorative integrated plate by the production line according to any one of claims 1 to 5 is characterized by comprising the following steps:
s1, feeding: pouring smelting slag with slag discharging temperature of 1400-1500 ℃ into a smelting slag component adjusting industrial furnace at a speed of 1-2 t/min, and adding a cold component adjusting agent, wherein the mass percent of the smelting slag is 40-80%, and the mass percent of the cold component adjusting agent is 20-60%;
s2, mixing and melting: in the step S1, the smelting slag and the cold component regulator are fully mixed and melted in a smelting slag component regulating industrial furnace, the melting temperature is 1450-1550 ℃, the melting time is 18-36 h, and simultaneously, a trace coloring agent accounting for 0.01-3% of the total amount of the melt is added for high-temperature reaction to obtain a high-temperature melt;
s3, preparing powder by high-pressure water quenching: the high-temperature melt obtained in the step S2 flows out according to the melt flow rate of 2-10 t/h and then carries out high-pressure water quenching, water quenching particles are fished out, dehydrated and dried, and then the surface layer material and the foaming material are obtained through crushing, grinding and screening; wherein the water pressure of the high-pressure water quenching is 3-5 KPa, and the water quantity is 20-100 t/h; the drying temperature is 200-300 ℃, and the drying time is 90-150 min;
s4, foaming and crystallizing reaction: mixing the foaming material obtained in the step S3 with a foaming agent, a foam stabilizer and a fluxing agent in proportion for 15-30 min, wherein the foaming agent is 0.5-5% of the foaming material, the foam stabilizer is 2-5% of the foaming material, and the fluxing agent is 2-4% of the foaming material; then a powder spreader and the surface layer material obtained in the step S3 are respectively paved on the lower layer and the upper layer of the refractory mold, and aluminum silicate high-temperature heat insulation paper is paved on the bottom surface and the periphery of the mold; pushing the mould paved with the materials into a tunnel kiln for foaming and crystallization reaction, and cooling after the reaction is finished to obtain a foaming microcrystalline plate; wherein the foaming temperature is 850-1050 ℃, and the foaming time is 60-150 min; the crystallization temperature is 1020-1150 ℃ and the crystallization time is 40-100 min; the average cooling speed is 5-15 ℃/min, the cooling time is 80-200 min, and the cooling temperature is below 100 ℃;
s5, post-processing: and (3) taking out the foaming microcrystalline board obtained in the step (S4), demolding, cutting off the concave-convex surface layer and the peripheral corners, and polishing the finish coat to obtain the foaming microcrystalline fireproof heat-insulating decorative integrated board.
7. The production process for preparing the foaming microcrystal fireproof heat-preservation decorative integrated plate by the production line according to claim 6, wherein in the step S1, smelting slag is one of red mud, copper slag, iron slag, steel slag, lead slag, zinc slag, nickel slag, silicon manganese slag, casting residue, ferrochrome slag, magnesium slag, lithium slag, ferromanganese slag and desulfurization and dephosphorization slag.
8. The production process for preparing the foamed microcrystal fireproof heat-insulating decorative integrated plate by the production line according to claim 6, wherein in the step S1, the cold component regulator is one or a mixture of more than two of barium carbonate, sodium carbonate, feldspar, quartz sand, sodium nitrate, zinc oxide, spodumene, antimony trioxide, mirabilite, fluorite, fly ash and cullet.
9. The production process for preparing the foaming microcrystal fireproof heat-preservation decorative integrated plate by the production line according to claim 6, which is characterized in that in the step S2, the colorant is one or more of ferric oxide, manganese dioxide, copper sulfate and vanadium pentoxide.
10. The production process for preparing the foamed microcrystal fireproof heat-insulating decorative integrated plate by the production line according to claim 6, wherein in the step S3, the granularity of the surface layer material is 50-150 meshes, and the granularity of the foaming material is 250-1000 meshes.
11. The production process for preparing the foaming microcrystal fireproof heat-preservation decorative integrated plate by the production line according to claim 6, which is characterized in that in the step S4, the foaming agent is one or more of carbon powder, sodium silicate, calcium carbonate, aluminum nitride, silicon carbide and sodium hydroxide; the foam stabilizer is one or more of sodium phosphate, sodium acetate and boric acid; the fluxing agent is one or more of borax, fluorite and sodium fluosilicate.
12. The foamed microcrystal fireproof heat-insulating decorative integrated plate prepared by the production line according to any one of claims 1 to 5 and the production process according to any one of claims 6 to 11, is characterized in that the volume weight is not more than 200kg/m 3 The heat conductivity coefficient is 0.05-0.09W/m.k, the compressive strength is 4-7 mpa, the flexural strength is 3-6 mpa, the highest heat-resistant temperature is 750-800 ℃, and the A-level is nonflammable.
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| CN110271085A (en) * | 2019-07-22 | 2019-09-24 | 株洲聚润合微波工业炉有限公司 | A kind of microwave continues the short route device and method of hot rolling production foamed ceramic plate |
| CN110511052B (en) * | 2019-08-19 | 2021-09-28 | 福建德胜新建材有限公司 | Foamed ceramic produced by using tailings of steel plant and preparation method thereof |
| CN113415997B (en) | 2021-06-29 | 2022-10-28 | 北京工业大学 | Method for preparing lead slag microcrystalline glass by oxidizing and tempering silicon-rich silicon slag |
| CN114790084B (en) * | 2022-04-20 | 2023-11-28 | 河南省高新技术实业有限公司 | Porous microcrystalline glass and preparation method thereof |
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| CN1482090A (en) * | 2002-09-09 | 2004-03-17 | 上海宝田新型建材有限公司 | Instantly grinding scoria micro powder and process for manufacturing the same |
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| ATA551981A (en) * | 1981-12-22 | 1984-06-15 | Wienerberger Baustoffind Ag | METHOD FOR THE PRODUCTION OF CERAMIC BRICKS, IN PARTICULAR HOLLOW BRICKS |
| CN1482090A (en) * | 2002-09-09 | 2004-03-17 | 上海宝田新型建材有限公司 | Instantly grinding scoria micro powder and process for manufacturing the same |
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