JP5933169B2 - 粘結剤コーテッド耐火物、鋳型、鋳型の製造方法 - Google Patents
粘結剤コーテッド耐火物、鋳型、鋳型の製造方法 Download PDFInfo
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- LVXHNCUCBXIIPE-UHFFFAOYSA-L disodium;hydrogen phosphate;hydrate Chemical compound O.[Na+].[Na+].OP([O-])([O-])=O LVXHNCUCBXIIPE-UHFFFAOYSA-L 0.000 description 2
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- HQKMJHAJHXVSDF-UHFFFAOYSA-L magnesium stearate Chemical compound [Mg+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O HQKMJHAJHXVSDF-UHFFFAOYSA-L 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
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- OTYBMLCTZGSZBG-UHFFFAOYSA-L potassium sulfate Chemical compound [K+].[K+].[O-]S([O-])(=O)=O OTYBMLCTZGSZBG-UHFFFAOYSA-L 0.000 description 2
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- 229910052911 sodium silicate Inorganic materials 0.000 description 2
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- RSIJVJUOQBWMIM-UHFFFAOYSA-L sodium sulfate decahydrate Chemical compound O.O.O.O.O.O.O.O.O.O.[Na+].[Na+].[O-]S([O-])(=O)=O RSIJVJUOQBWMIM-UHFFFAOYSA-L 0.000 description 2
- 235000011152 sodium sulphate Nutrition 0.000 description 2
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- YNIRKEZIDLCCMC-UHFFFAOYSA-K trisodium;phosphate;hydrate Chemical compound [OH-].[Na+].[Na+].[Na+].OP([O-])([O-])=O YNIRKEZIDLCCMC-UHFFFAOYSA-K 0.000 description 2
- 238000011144 upstream manufacturing Methods 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
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- 239000004111 Potassium silicate Substances 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 239000006087 Silane Coupling Agent Substances 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
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- 239000002253 acid Substances 0.000 description 1
- 150000008431 aliphatic amides Chemical class 0.000 description 1
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- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 description 1
- CEGOLXSVJUTHNZ-UHFFFAOYSA-K aluminium tristearate Chemical compound [Al+3].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CEGOLXSVJUTHNZ-UHFFFAOYSA-K 0.000 description 1
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- AGXUVMPSUKZYDT-UHFFFAOYSA-L barium(2+);octadecanoate Chemical compound [Ba+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O AGXUVMPSUKZYDT-UHFFFAOYSA-L 0.000 description 1
- DDKJQJYTUAWSPY-UHFFFAOYSA-H bis(2,2-dioxo-1,3,2,4-dioxathialumetan-4-yl) sulfate dodecahydrate Chemical compound O.O.O.O.O.O.O.O.O.O.O.O.[Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DDKJQJYTUAWSPY-UHFFFAOYSA-H 0.000 description 1
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- WZISDKTXHMETKG-UHFFFAOYSA-H dimagnesium;dipotassium;trisulfate Chemical compound [Mg+2].[Mg+2].[K+].[K+].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O WZISDKTXHMETKG-UHFFFAOYSA-H 0.000 description 1
- 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 1
- BNIILDVGGAEEIG-UHFFFAOYSA-L disodium hydrogen phosphate Chemical compound [Na+].[Na+].OP([O-])([O-])=O BNIILDVGGAEEIG-UHFFFAOYSA-L 0.000 description 1
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- 235000019359 magnesium stearate Nutrition 0.000 description 1
- 229940099596 manganese sulfate Drugs 0.000 description 1
- 239000011702 manganese sulphate Substances 0.000 description 1
- 235000007079 manganese sulphate Nutrition 0.000 description 1
- SQQMAOCOWKFBNP-UHFFFAOYSA-L manganese(II) sulfate Chemical compound [Mn+2].[O-]S([O-])(=O)=O SQQMAOCOWKFBNP-UHFFFAOYSA-L 0.000 description 1
- SCVOEYLBXCPATR-UHFFFAOYSA-L manganese(II) sulfate pentahydrate Chemical compound O.O.O.O.O.[Mn+2].[O-]S([O-])(=O)=O SCVOEYLBXCPATR-UHFFFAOYSA-L 0.000 description 1
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 1
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- LGQLOGILCSXPEA-UHFFFAOYSA-L nickel sulfate Chemical compound [Ni+2].[O-]S([O-])(=O)=O LGQLOGILCSXPEA-UHFFFAOYSA-L 0.000 description 1
- OGKAGKFVPCOHQW-UHFFFAOYSA-L nickel sulfate heptahydrate Chemical compound O.O.O.O.O.O.O.[Ni+2].[O-]S([O-])(=O)=O OGKAGKFVPCOHQW-UHFFFAOYSA-L 0.000 description 1
- 229910000363 nickel(II) sulfate Inorganic materials 0.000 description 1
- LYRFLYHAGKPMFH-UHFFFAOYSA-N octadecanamide Chemical compound CCCCCCCCCCCCCCCCCC(N)=O LYRFLYHAGKPMFH-UHFFFAOYSA-N 0.000 description 1
- WGOROJDSDNILMB-UHFFFAOYSA-N octatriacontanediamide Chemical compound NC(=O)CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC(N)=O WGOROJDSDNILMB-UHFFFAOYSA-N 0.000 description 1
- 229910052609 olivine Inorganic materials 0.000 description 1
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- NNHHDJVEYQHLHG-UHFFFAOYSA-N potassium silicate Chemical compound [K+].[K+].[O-][Si]([O-])=O NNHHDJVEYQHLHG-UHFFFAOYSA-N 0.000 description 1
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- BBMHARZCALWXSL-UHFFFAOYSA-M sodium dihydrogenphosphate monohydrate Chemical compound O.[Na+].OP(O)([O-])=O BBMHARZCALWXSL-UHFFFAOYSA-M 0.000 description 1
- KKCBUQHMOMHUOY-UHFFFAOYSA-N sodium oxide Chemical compound [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 description 1
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- 125000002256 xylenyl group Chemical class C1(C(C=CC=C1)C)(C)* 0.000 description 1
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 description 1
- NWONKYPBYAMBJT-UHFFFAOYSA-L zinc sulfate Chemical compound [Zn+2].[O-]S([O-])(=O)=O NWONKYPBYAMBJT-UHFFFAOYSA-L 0.000 description 1
- 229910000368 zinc sulfate Inorganic materials 0.000 description 1
- 229960001763 zinc sulfate Drugs 0.000 description 1
- 229910052845 zircon Inorganic materials 0.000 description 1
- GFQYVLUOOAAOGM-UHFFFAOYSA-N zirconium(iv) silicate Chemical compound [Zr+4].[O-][Si]([O-])([O-])[O-] GFQYVLUOOAAOGM-UHFFFAOYSA-N 0.000 description 1
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- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Description
140℃に加熱したフラタリー硅砂30kgをワールミキサーに入れ、これに表1に示す量で水溶性無機化合物を水450gに分散乃至溶解させた溶液を加え、約90秒間混練した。崩壊した後、滑剤としてステアリン酸カルシウム30gを添加して15秒間混練し、さらにエアーレーションを行なうことによって、粘結剤として水溶性無機化合物を含有するコーティング層で被覆した粘結剤コーテッド耐火物を得た。
140℃に加熱したフラタリー硅砂30kgをワールミキサーに入れ、これに表2に示す量のフェノール樹脂を加え、30秒間した後、さらに比較例1ではヘキサメチレンテトラミンを水450gに溶解したヘキサメチレンテトラミン水溶液を、また比較例2、3では水450を加え、混練した。崩壊した後、滑剤としてステアリン酸カルシウム30gを添加して30秒間混練し、さらにエアーレーションを行なうことによって、粘結剤としてフェノール樹脂を含有するコーティング層で被覆した粘結剤コーテッド耐火物を得た。この粘結剤コーテッド耐火物はさらさらとした粒状物であり、粘結剤コーテッド耐火物中のコーティング層の質量比率は2.0質量%であった。
崩壊率(%)=100−(加熱処理後の曲げ強さ/加熱処理前の曲げ強さ)×100
実施例3,12、参考例1,7、比較例1,2と同じ配合の粘結剤でコーティング層を被覆した粘結剤コーテッド耐火物を調製した。これらの粘結剤コーテッド耐火物を実施例17,19、参考例16,18、比較例4〜5とする。
2 粘結剤コーテッド耐火物
Claims (13)
- 耐火骨材の表面に、粘結剤として塩化ナトリウム、リン酸ナトリウム、炭酸ナトリウム、バナジン酸ナトリウム、ホウ酸ナトリウム、酸化アルミニウムナトリウム、塩化カリウム、炭酸カリウムから選ばれる水溶性無機化合物を含有する固形のコーティング層が被覆されていることを特徴とする粘結剤コーテッド耐火物。
- 粘結剤の水溶性無機化合物として、請求項1に記載の水溶性無機化合物と硫酸化合物とを併用することを特徴とする請求項1に記載の粘結剤コーテッド耐火物。
- 粘結剤の水溶性無機化合物として、請求項1に記載の水溶性無機化合物と水ガラスとを併用することを特徴とする請求項1又は2に記載の粘結剤コーテッド耐火物。
- コーティング層に、滑剤が含有されていることを特徴とする請求項1乃至3のいずれかに記載の粘結剤コーテッド耐火物。
- 請求項1乃至4のいずれかに記載の粘結剤コーテッド耐火物が、コーティング層の粘結剤によって結合して形成されていることを特徴とする鋳型。
- 請求項1乃至4のいずれかに記載の粘結剤コーテッド耐火物を型内に充填し、この型内に水蒸気を吹き込んで粘結剤コーテッド耐火物を加熱し、コーティング層の粘結剤を湿らせた後に固化させることを特徴とする鋳型の製造方法。
- 粘結剤コーテッド耐火物を充填した型内に水蒸気を吹き込んで、水蒸気の凝縮水を粘結剤に供給して粘結剤を湿らせると共に、次いで水蒸気の凝縮潜熱により粘結剤コーテッド耐火物の温度を上昇させることによって、コーティング層の粘結剤を固化させることを特徴とする請求項6に記載の鋳型の製造方法。
- 粘結剤コーテッド耐火物を充填した型内に水蒸気を吹き込んで、水蒸気の凝縮潜熱により粘結剤コーテッド耐火物の温度を上昇させ、次に加熱した気体を型内に吹き込んで、型内の凝縮水を蒸発させると共にコーティング層の粘結剤を固化させることを特徴とする請求項6又は7に記載の鋳型の製造方法。
- 上記の加熱した気体が、加熱した空気であることを特徴とする請求項8に記載の鋳型の製造方法。
- 上記の加熱した気体が、水蒸気と空気との混合気体であることを特徴とする請求項8に記載の鋳型の製造方法。
- 上記の水蒸気が、過熱水蒸気であることを特徴とする請求項6乃至10のいずれかに記載の鋳型の製造方法。
- 粘結剤コーテッド耐火物を充填した型内に水分を供給して粘結剤を湿らせた後、型内に過熱水蒸気を吹き込んで、過熱水蒸気の凝縮潜熱により粘結剤コーテッド耐火物の温度を上昇させて水分を乾燥させると共にコーティング層の粘結剤を固化させることを特徴とする請求項6乃至11のいずれかに記載の鋳型の製造方法。
- 予備加熱した粘結剤コーテッド耐火物を型内に充填することを特徴とする請求項6乃至12のいずれかに記載の鋳型の製造方法。
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