JPWO2006051793A1 - フロートバス底部用耐火レンガ及びその製造方法 - Google Patents
フロートバス底部用耐火レンガ及びその製造方法 Download PDFInfo
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- 239000011449 brick Substances 0.000 title claims abstract description 95
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 38
- 239000002994 raw material Substances 0.000 claims abstract description 62
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 28
- 229910052906 cristobalite Inorganic materials 0.000 claims abstract description 22
- 150000003112 potassium compounds Chemical class 0.000 claims abstract description 15
- 238000000034 method Methods 0.000 claims abstract description 11
- 239000005357 flat glass Substances 0.000 claims abstract description 8
- 239000002245 particle Substances 0.000 claims description 34
- 239000013078 crystal Substances 0.000 claims description 25
- 239000000203 mixture Substances 0.000 claims description 21
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims description 19
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 19
- 239000004927 clay Substances 0.000 claims description 19
- 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 claims description 19
- 229910052863 mullite Inorganic materials 0.000 claims description 19
- 238000010304 firing Methods 0.000 claims description 14
- 239000010419 fine particle Substances 0.000 claims description 12
- 238000004898 kneading Methods 0.000 claims description 12
- 238000000465 moulding Methods 0.000 claims description 9
- 229910052708 sodium Inorganic materials 0.000 claims description 9
- 238000010298 pulverizing process Methods 0.000 claims description 4
- 239000011521 glass Substances 0.000 abstract description 33
- 238000006243 chemical reaction Methods 0.000 abstract description 9
- 238000006124 Pilkington process Methods 0.000 abstract description 2
- KKCBUQHMOMHUOY-UHFFFAOYSA-N Na2O Inorganic materials [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 abstract 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract 1
- 229910052681 coesite Inorganic materials 0.000 abstract 1
- 229910052593 corundum Inorganic materials 0.000 abstract 1
- 239000000377 silicon dioxide Substances 0.000 abstract 1
- 235000012239 silicon dioxide Nutrition 0.000 abstract 1
- 229910052682 stishovite Inorganic materials 0.000 abstract 1
- 229910052905 tridymite Inorganic materials 0.000 abstract 1
- 229910001845 yogo sapphire Inorganic materials 0.000 abstract 1
- 239000011734 sodium Substances 0.000 description 30
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 20
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 16
- 238000002441 X-ray diffraction Methods 0.000 description 11
- 229910000027 potassium carbonate Inorganic materials 0.000 description 10
- 230000000052 comparative effect Effects 0.000 description 8
- 239000000470 constituent Substances 0.000 description 6
- 229910052664 nepheline Inorganic materials 0.000 description 6
- 239000010434 nepheline Substances 0.000 description 6
- 230000007547 defect Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 239000010453 quartz Substances 0.000 description 5
- 239000011362 coarse particle Substances 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 239000004570 mortar (masonry) Substances 0.000 description 4
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 3
- 239000000654 additive Substances 0.000 description 3
- 230000000996 additive effect Effects 0.000 description 3
- 238000011088 calibration curve Methods 0.000 description 3
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- 230000000704 physical effect Effects 0.000 description 3
- 229910000272 alkali metal oxide Inorganic materials 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 238000003475 lamination Methods 0.000 description 2
- 238000000691 measurement method Methods 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 239000008188 pellet Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- XARHOZCQSBWPOC-UHFFFAOYSA-N Neferin Natural products COc1ccc(CC2N(C)CCc3cc(OC)c(Oc4ccc(CC5N(C)CCc6cc(OC)c(OC)cc56)cc4O)cc23)cc1 XARHOZCQSBWPOC-UHFFFAOYSA-N 0.000 description 1
- MIBATSHDJRIUJK-ROJLCIKYSA-N Neferine Chemical compound C1=CC(OC)=CC=C1C[C@@H]1C2=CC(OC=3C(=CC=C(C[C@@H]4C5=CC(OC)=C(OC)C=C5CCN4C)C=3)O)=C(OC)C=C2CCN1C MIBATSHDJRIUJK-ROJLCIKYSA-N 0.000 description 1
- MIBATSHDJRIUJK-UHFFFAOYSA-N Neferine Natural products C1=CC(OC)=CC=C1CC1C2=CC(OC=3C(=CC=C(CC4C5=CC(OC)=C(OC)C=C5CCN4C)C=3)O)=C(OC)C=C2CCN1C MIBATSHDJRIUJK-UHFFFAOYSA-N 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000004299 exfoliation Methods 0.000 description 1
- 239000005329 float glass Substances 0.000 description 1
- 238000005816 glass manufacturing process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000006060 molten glass Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 239000005361 soda-lime glass Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
Description
ここでクリストバライト結晶相の構成比率とは、クリストバライトの質量/(クリストバライトの質量+ムライトの質量)の百分率で表わしたものであり、クリストバライトの質量、ムライトの質量はX線回折装置(θ/2θ法、Cu−Ka1線)で測定したクリストバライト、ムライトの強度ピークから事前に測定した検量線を使用し求めることができる。
X線回折装置での測定方法は、粉末化した試料を粉末X線回折装置で強度ピークを測定し、事前に作製したクリストバライトとムライトの比率を5段階に変えた試料のピーク強度から検量線を作成しておき、これと対比して構成比率を求める。
ここでムライト結晶相の構成比率とは、ムライトの質量/(クリストバライトの質量+ムライトの質量)の百分率で表わしたものであり、クリストバライトの質量、ムライトの質量は前述のX線回折装置を用いる方法で測定する。
なお、X線回折の測定方法はフィリップス社製X Pert−MPD(θ/2θ法、Cu−Ka1線)で粉末を試料として測定を行った。ムライトとクリストバライトの比率を100:0、75:25、50:50,25:75,0:100とした5種類の試料を事前に測定し、比率とX線ピーク強度より検量線を求めた。
原料Aの粘土質原料10gに対し、K2O源としての炭酸カリウムを混合後のK2O質量%換算で無添加(1.1%)、2、3、4%となるようにそれぞれ原料Aに加えた。ここで、無添加のものを試料1(比較例1)、2%添加のものを試料2(実施例1)、3%添加のものを試料3(実施例1)、4%添加のものを試料4(実施例1)とする。炭酸カリウムは予め乳鉢で粉砕したものを使用した。混練は乳鉢で行なった。混練したものを金型に入れ、プレス機を用いペレット状に成型した。成型体は1300℃で24時間焼成した。
また、図3、図4より、無添加の場合(比較例1)では、クリストバライト結晶相の構成比率は10%超であり、炭酸カリウムを添加しK2Oの質量%が2、3、4%の場合(実施例1)では、クリストバライト結晶相の構成比率は10%未満である。
従って、実施例1のフロートバス底部耐火レンガはフレーキング現象を抑制することができると推定できる。
例1と同様の方法に、粘土質原料B10gに対しK2O源としての炭酸カリウムを混合後のK2Oの質量%換算で0.3(無添加)、2、3、4、6%となるようにそれぞれ原料Aに加えた。ここで、無添加のものを試料5(比較例2)、2%添加のものを試料6(実施例2)、3%添加のものを試料7(実施例2)、4%添加のものを試料8(実施例2)、6%添加のものを試料9(比較例3)とする。炭酸カリウムは予め乳鉢で粉砕したものを使用した。混練は乳鉢で行なった。混練したものを金型に入れ、プレス機を用いペレット状に成型した。成型体は1300℃で24時間焼成した。
なお、2004年11月9日に出願された日本特許出願2004−325473号の明細書、特許請求の範囲、図面及び要約書の全内容をここに引用し、本発明の明細書の開示として、取り入れるものである。
Claims (12)
- 質量百分率表示の次の酸化物基準で、Al2O3を30〜45%、SiO2を50〜65%含有する粘土質原料に対し、カリウム化合物を添加し焼成することを特徴とするフロートバス底部用耐火レンガの製造方法。
- 質量百分率表示の次の酸化物基準で、Al2O3を30〜45%、SiO2を50〜65%含有し、Na2Oの含量が1%以下の粘土質原料を使用して、フロートバス底部用耐火レンガを製造する方法であって、製造されるフロートバス底部用耐火レンガにおけるK2Oの含量が2〜4%となるようにカリウム化合物を添加することを特徴とするフロートバス底部用耐火レンガの製造方法。
- 質量百分率表示の次の酸化物基準で、Al2O3を30〜45%、SiO2を50〜65%含有する粘土質原料に対しカリウム化合物を添加し、これら原料を混練、成型、焼成し、次いで粉砕して粒状耐火原料を得、この粒状耐火原料を混練し、所望のフロートバス底部用耐火レンガの形状に成型し、次いで焼成してフロートバス底部用耐火レンガを製造する方法であって、前記粒状耐火原料における粒径90μm未満の微粒部におけるK2Oの含量を2〜4%、Na2Oの含量を1%以下となるように制御することを特徴とする請求項1記載のフロートバス底部用耐火レンガの製造方法。
- 前記粒状耐火原料に対し、K2Oを2〜4%、Na2Oを1%以下含む粒径90μm未満の微粒部を20〜60質量%含むことを特徴とする請求項3記載のフロートバス底部用耐火レンガの製造方法。
- 質量百分率表示の下記酸化物基準で、前記粒状耐火原料のうち、粒径90μm〜1mmの中粒部および粒径90μm未満の微粒部におけるK2Oの含量を2〜4%、Na2Oの含量を1%以下となるように制御することを特徴とする請求項3記載のフロートバス底部用耐火レンガの製造方法。
- 前記粒状耐火原料に対し、粒径90μm〜1mmの中粒部を20〜60質量%含むことを特徴とする請求項5記載のフロートバス底部用耐火レンガの製造方法。
- 質量百分率表示の次の酸化物基準で、Al2O3を30〜45%、SiO2を50〜65%含有する粘土質原料を混練、成型、焼成し、次いで粉砕して得られた粒状耐火原料に対し、粒状のカリウム化合物を添加して混練し、所望のフロートバス底部用耐火レンガの形状に成型し、次いで焼成してフロートバス底部用耐火レンガを製造する方法であって、製造されるフロートバス底部用耐火レンガにおけるK2Oの含量が2〜4%となるように制御することを特徴とする請求項1記載のフロートバス底部用耐火レンガの製造方法。
- フロートバス底部用耐火レンガの組成が質量百分率表示の次の酸化物基準で、Al2O3を30〜45%、SiO2を50〜65%、Na2Oを1%以下、およびK2Oを2〜4%含有することを特徴とするフロートバス底部用耐火レンガ。
- クリストバライト(Cristobalite)の結晶相が10%以下であることを特徴とする請求項8記載のフロートバス底部用耐火レンガ。
- ムライト(Mullite)の結晶相が20%以上であることを特徴とする請求項8または9記載のフロートバス底部用耐火レンガ。
- 請求項8〜10記載のいずれかのレンガをフロートバス底部に用いたことを特徴するフロートバス。
- 請求項11記載のフロートバスを用いた板ガラスの製造方法。
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DE102007028109A1 (de) * | 2007-06-19 | 2008-12-24 | Märkisches Werk GmbH | Thermisch gespritzte, gasdichte Schutzschicht für metallische Substrate |
KR101377539B1 (ko) * | 2010-04-20 | 2014-03-26 | 주식회사 엘지화학 | 유리판 제조용 플로트 배스, 플로트 유리 성형 방법, 및 플로트 배스에 배리어를 시공하는 방법 |
TWI492915B (zh) | 2012-01-11 | 2015-07-21 | Saint Gobain Ceramics | 耐火物件及使用耐火物件形成玻璃板之方法 |
JP2016117595A (ja) * | 2013-04-18 | 2016-06-30 | 旭硝子株式会社 | フロートバスルーフ部材、および、それを用いたフロート板ガラス製造装置 |
WO2016138111A1 (en) | 2015-02-24 | 2016-09-01 | Saint-Gobain Ceramics & Plastics, Inc. | Refractory article and method of making |
CN104909542B (zh) * | 2015-05-09 | 2017-09-22 | 浙江瑞泰耐火材料科技有限公司 | 一种锡槽底砖 |
CN108975868A (zh) * | 2018-09-10 | 2018-12-11 | 郑红升 | 一种用于高温微波的材料 |
RU2758076C1 (ru) * | 2020-06-15 | 2021-10-26 | Общество с ограниченной ответственностью "Огнеупор" | Способ прессования оксидоуглеродистых изделий и соответствующая укладка изделий при футеровке сталеразливочных ковшей |
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US20070238603A1 (en) | 2007-10-11 |
BRPI0517974A (pt) | 2008-10-21 |
RU2007121652A (ru) | 2008-12-20 |
UA91692C2 (ru) | 2010-08-25 |
CN101056827A (zh) | 2007-10-17 |
EP1813580A1 (en) | 2007-08-01 |
JP4888121B2 (ja) | 2012-02-29 |
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