JP2014015374A - 粉体急結剤及び不定形耐火物の吹き付け施工方法 - Google Patents
粉体急結剤及び不定形耐火物の吹き付け施工方法 Download PDFInfo
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- JP2014015374A JP2014015374A JP2012155802A JP2012155802A JP2014015374A JP 2014015374 A JP2014015374 A JP 2014015374A JP 2012155802 A JP2012155802 A JP 2012155802A JP 2012155802 A JP2012155802 A JP 2012155802A JP 2014015374 A JP2014015374 A JP 2014015374A
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- 239000000843 powder Substances 0.000 title claims abstract description 117
- 239000003795 chemical substances by application Substances 0.000 title claims abstract description 87
- 238000000034 method Methods 0.000 title claims description 9
- 239000007921 spray Substances 0.000 title abstract description 12
- 239000002245 particle Substances 0.000 claims abstract description 76
- 239000000463 material Substances 0.000 claims abstract description 68
- 239000000203 mixture Substances 0.000 claims abstract description 58
- 239000002994 raw material Substances 0.000 claims abstract description 9
- 239000011819 refractory material Substances 0.000 claims abstract description 9
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 51
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims description 29
- 239000000920 calcium hydroxide Substances 0.000 claims description 29
- 235000011116 calcium hydroxide Nutrition 0.000 claims description 29
- 229910001861 calcium hydroxide Inorganic materials 0.000 claims description 29
- 238000005507 spraying Methods 0.000 claims description 15
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 12
- 229910052799 carbon Inorganic materials 0.000 claims description 10
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims description 8
- 230000001788 irregular Effects 0.000 claims description 8
- 239000000395 magnesium oxide Substances 0.000 claims description 8
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 8
- 239000000292 calcium oxide Substances 0.000 claims description 7
- 235000012255 calcium oxide Nutrition 0.000 claims description 7
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 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 4
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 4
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical compound [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 claims description 4
- UAMZXLIURMNTHD-UHFFFAOYSA-N dialuminum;magnesium;oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[O-2].[Mg+2].[Al+3].[Al+3] UAMZXLIURMNTHD-UHFFFAOYSA-N 0.000 claims description 4
- QDOXWKRWXJOMAK-UHFFFAOYSA-N dichromium trioxide Chemical compound O=[Cr]O[Cr]=O QDOXWKRWXJOMAK-UHFFFAOYSA-N 0.000 claims description 4
- 239000010459 dolomite Substances 0.000 claims description 4
- 229910000514 dolomite Inorganic materials 0.000 claims description 4
- 239000004571 lime Substances 0.000 claims description 4
- 229910052710 silicon Inorganic materials 0.000 claims description 4
- 239000010703 silicon Substances 0.000 claims description 4
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 4
- 239000000377 silicon dioxide Substances 0.000 claims description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 4
- 239000001488 sodium phosphate Substances 0.000 claims description 4
- 229910052596 spinel Inorganic materials 0.000 claims description 4
- 239000011029 spinel Substances 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
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims description 3
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims description 3
- 239000011398 Portland cement Substances 0.000 claims description 3
- 150000004645 aluminates Chemical class 0.000 claims description 3
- 239000001110 calcium chloride Substances 0.000 claims description 3
- 229910001628 calcium chloride Inorganic materials 0.000 claims description 3
- 235000011148 calcium chloride Nutrition 0.000 claims description 3
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 claims description 3
- 239000004927 clay Substances 0.000 claims description 3
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 claims description 3
- 239000000347 magnesium hydroxide Substances 0.000 claims description 3
- 229910001862 magnesium hydroxide Inorganic materials 0.000 claims description 3
- 229910001467 sodium calcium phosphate Inorganic materials 0.000 claims description 3
- 235000011008 sodium phosphates Nutrition 0.000 claims description 3
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 2
- 235000010216 calcium carbonate Nutrition 0.000 claims description 2
- 229910052570 clay Inorganic materials 0.000 claims description 2
- 239000011230 binding agent Substances 0.000 claims 2
- 238000010791 quenching Methods 0.000 claims 1
- 230000000171 quenching effect Effects 0.000 claims 1
- 238000010276 construction Methods 0.000 description 28
- 238000011156 evaluation Methods 0.000 description 10
- 238000004898 kneading Methods 0.000 description 10
- 230000000694 effects Effects 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 6
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 239000010419 fine particle Substances 0.000 description 5
- 230000000903 blocking effect Effects 0.000 description 4
- 239000011362 coarse particle Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- ANBBXQWFNXMHLD-UHFFFAOYSA-N aluminum;sodium;oxygen(2-) Chemical compound [O-2].[O-2].[Na+].[Al+3] ANBBXQWFNXMHLD-UHFFFAOYSA-N 0.000 description 3
- 229910001388 sodium aluminate Inorganic materials 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000004111 Potassium silicate Substances 0.000 description 2
- 239000004115 Sodium Silicate Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- NNHHDJVEYQHLHG-UHFFFAOYSA-N potassium silicate Chemical compound [K+].[K+].[O-][Si]([O-])=O NNHHDJVEYQHLHG-UHFFFAOYSA-N 0.000 description 2
- 229910052913 potassium silicate Inorganic materials 0.000 description 2
- 235000019353 potassium silicate Nutrition 0.000 description 2
- KVOIJEARBNBHHP-UHFFFAOYSA-N potassium;oxido(oxo)alumane Chemical compound [K+].[O-][Al]=O KVOIJEARBNBHHP-UHFFFAOYSA-N 0.000 description 2
- 238000007790 scraping Methods 0.000 description 2
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 2
- 229910052911 sodium silicate Inorganic materials 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 235000001465 calcium Nutrition 0.000 description 1
- XFWJKVMFIVXPKK-UHFFFAOYSA-N calcium;oxido(oxo)alumane Chemical compound [Ca+2].[O-][Al]=O.[O-][Al]=O XFWJKVMFIVXPKK-UHFFFAOYSA-N 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009970 fire resistant effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 235000010755 mineral Nutrition 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 229910000162 sodium phosphate Inorganic materials 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
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Abstract
【解決手段】耐火物の吹付け施工の際に使用され、配管17を通じて耐火組成物をノズル13に向けて気流搬送する際に、ノズル13又はノズル手前で前記耐火組成物に気流搬送により添加される粉体急結剤であって、前記耐火組成物を硬化させる第1の粉体材料と、耐火原料である第2の粉体材料と、を含有し、前記第2の粉体材料は、粒径が0.5mm超の粒子を5質量%以上、且つ、粒径が0.1mm以上の粒子を30質量%以上含有することを特徴とする粉体急結剤。
【選択図】図1
Description
(1)本発明の粉体急結剤は、耐火物の吹付け施工の際に使用され、配管を通じて耐火組成物をノズルに向けて気流搬送する際に、前記ノズル又はノズル手前で前記耐火組成物に気流搬送により添加される粉体急結剤であって、前記耐火組成物を硬化させる第1の粉体材料と、耐火原料である第2の粉体材料と、を含有し、前記第2の粉体材料は、粒径が0.5mm超の粒子を5質量%以上、且つ、粒径が0.1mm以上5mm以下の粒子を30質量%以上含有することを特徴とするものである。
(2)また、本発明の粉体急結剤は、上記(1)において、前記第2の粉体材料は、粒径が5mm以下で、且つ0.5mm超の粒子を10質量%以上含有することが好ましい。
(3)また、本発明の粉体急結剤は、上記(1)又は(2)において、第1の粉体材料と前記第2の粉体材料とを質量比で1:3から3:1の割合、言い換えれば第1の粉体材料と第2の粉体材料との合量を100質量%としたときに、第1の粉体材料を25〜75質量%、第2の粉体材料を75〜25質量%で含有することが好ましい。
(4)また、本発明の粉体急結剤は、上記(1)〜(3)のいずれかにおいて、前記第1の粉体材料は、消石灰、アルミン酸塩、珪酸塩、水酸化マグネシウム、ポルトランドセメント、硫酸ばん土、炭酸カルシウム、塩化カルシウム、酸化カルシウム、水酸化カルシウム及びリン酸ソーダからなる群から選ばれる1種又は2種以上であることが好ましい。
(5)また、本発明の粉体急結剤は、上記(1)〜(4)のいずれかにおいて、前記第2の粉体材料は、アルミナ質、シリカ質、アルミナ−シリカ質、アルミナ−スピネル質、アルミナ−マグネシア質、アルミナ−カーボン質、アルミナ−炭化珪素質、アルミナ−炭化珪素−カーボン質、マグネシア質、マグネシア−カーボン質、カーボン質、炭化珪素質、窒化珪素質、ジルコニア質、カルシア質、ドロマイト質、クロミア質、クロミア−マグネシア質、マグネシア−ライム質及びマグネシア−アルミナ質からなる群から選ばれる1種又は2種以上の耐火材料であることが好ましい。
(6)また、本発明は、上記(1)〜(5)のいずれかに記載の粉体急結剤を使用した不定形耐火物の吹付け施工方法であって、配管を通じて気流搬送されてノズルから吐出される耐火組成物に、前記ノズル内又は前記ノズルの手前の配管内に前記粉体急結剤を気流搬送により添加することを特徴とする。
されたアルミナ質原料を用い、表1に示す各種の粉体急結剤を添加した。粉体急結剤の添
加量は、耐火組成物100質量%に対して外掛けで3質量%とした。
11 気流式原料搬送手段
12 材料混練手段
13 ノズル
14 急結剤供給手段
15、16、17、18 配管
Claims (6)
- 耐火物の吹付け施工の際に使用され、配管を通じて耐火組成物をノズルに向けて気流搬送する際に、前記ノズル又はノズル手前で前記耐火組成物に気流搬送により添加される粉体急結剤であって、
前記耐火組成物を硬化させる第1の粉体材料と、
耐火原料である第2の粉体材料と、を含有し、
前記第2の粉体材料は、粒径が0.5mm超の粒子を5質量%以上、且つ、粒径が0.1mm以上の粒子を30質量%以上含有することを特徴とする粉体急結剤。 - 前記第2の粉体材料は、粒径が5mm以下で、且つ0.5mm超の粒子を10質量%以上含有することを特徴とする請求項1に記載の粉体急結剤。
- 前記第1の粉体材料と前記第2の粉体材料とを質量比で1:3から3:1の範囲の割合で含有することを特徴とする請求項1又は2に記載の粉体急結剤。
- 前記第1の粉体材料は、消石灰、アルミン酸塩、珪酸塩、水酸化マグネシウム、ポルトランドセメント、硫酸ばん土、炭酸カルシウム、塩化カルシウム、酸化カルシウム、水酸化カルシウム及びリン酸ソーダからなる群から選ばれる1種又は2種以上であることを特徴とする請求項1〜3のいずれか1項に記載の粉体急結剤。
- 前記第2の粉体材料は、アルミナ質、シリカ質、アルミナ−シリカ質、アルミナ−スピネル質、アルミナ−マグネシア質、アルミナ−カーボン質、アルミナ−炭化珪素質、アルミナ−炭化珪素−カーボン質、マグネシア質、マグネシア−カーボン質、カーボン質、炭化珪素質、窒化珪素質、ジルコニア質、カルシア質、ドロマイト質、クロミア質、クロミア−マグネシア質、マグネシア−ライム質及びマグネシア−アルミナ質からなる群から選ばれる1種又は2種以上の耐火材料であることを特徴とする請求項1〜4のいずれか1項に記載の粉体急結剤。
- 請求項1〜5のいずれか1項に記載の粉体急結剤を使用した不定形耐火物の吹付け施工方法であって、配管を通じて気流搬送されてノズルから吐出される耐火組成物に、前記ノズル内又は前記ノズルの手前の配管内に前記粉体急結剤を気流搬送により添加することを特徴とする不定形耐火物の吹付け施工方法。
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BR112015000361-3A BR112015000361B1 (pt) | 2012-07-11 | 2013-07-02 | agente de cura rápida em pó, e, método de pulverização para um material refratário não modelado |
CN201380035044.1A CN104507893B (zh) | 2012-07-11 | 2013-07-02 | 粉体速凝剂及不定形耐火物的喷附施工方法 |
KR1020147028223A KR101604259B1 (ko) | 2012-07-11 | 2013-07-02 | 분체 급결제 및 부정형 내화물의 분사 시공 방법 |
PCT/JP2013/068108 WO2014010467A1 (ja) | 2012-07-11 | 2013-07-02 | 粉体急結剤及び不定形耐火物の吹き付け施工方法 |
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WO2023013284A1 (ja) * | 2021-08-06 | 2023-02-09 | 黒崎播磨株式会社 | 焼成炉用の乾式吹付材 |
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US10336579B2 (en) * | 2016-03-29 | 2019-07-02 | Otis Elevator Company | Metal coating of load bearing member for elevator system |
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EP3702338A4 (en) | 2018-03-14 | 2021-01-06 | Denka Company Limited | POWDER FAST SETTING AGENT, QUICK SET MATERIAL, QUICK SET MATERIAL CURED PRODUCT, AND SPRAY PROCESS |
US11572654B2 (en) | 2018-04-03 | 2023-02-07 | Lg Electronics Inc. | Clothing treatment apparatus |
JP6756794B2 (ja) * | 2018-10-02 | 2020-09-16 | 黒崎播磨株式会社 | 熱間用乾式吹付材及び熱間乾式吹付施工方法 |
CN115652024B (zh) * | 2022-12-08 | 2023-04-07 | 北京科技大学 | 一种再生钢铁原料电炉炼钢流程高效脱Cu的方法 |
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