JP2000203951A - Light weight heat-insulating castable composition - Google Patents

Light weight heat-insulating castable composition

Info

Publication number
JP2000203951A
JP2000203951A JP11000870A JP87099A JP2000203951A JP 2000203951 A JP2000203951 A JP 2000203951A JP 11000870 A JP11000870 A JP 11000870A JP 87099 A JP87099 A JP 87099A JP 2000203951 A JP2000203951 A JP 2000203951A
Authority
JP
Japan
Prior art keywords
lightweight
heat
insulating
alumina
castable composition
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP11000870A
Other languages
Japanese (ja)
Inventor
Toshio Yamane
利夫 山根
Takeshi Okamoto
剛 岡本
Seijiro Tanaka
征二郎 田中
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JFE Refractories Corp
Original Assignee
Kawasaki Refractories Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kawasaki Refractories Co Ltd filed Critical Kawasaki Refractories Co Ltd
Priority to JP11000870A priority Critical patent/JP2000203951A/en
Publication of JP2000203951A publication Critical patent/JP2000203951A/en
Pending legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/622Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/626Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
    • C04B35/628Coating the powders or the macroscopic reinforcing agents
    • C04B35/62844Coating fibres
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/66Monolithic refractories or refractory mortars, including those whether or not containing clay
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/50Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
    • C04B2235/52Constituents or additives characterised by their shapes
    • C04B2235/5208Fibers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Ceramic Products (AREA)

Abstract

PROBLEM TO BE SOLVED: To compensate recent insufficiency of skilled workers and to easily realize reduction of labor by forming a lightweight heat-insulating refractory wall by execution of spraying castable composition to the heat-insulating part of a heating furnace for steel, of the lining of a tundish, of the lining of a molten steel ladle or of a recent refuse incinerator. SOLUTION: The lightweight heat-insulating castable composition contains ceramic fiber wool and/or lightweight aggregate particle, on which at least one of portland cement or alumina cement and at least one hardening agent selected from calcium sulfate, aluminum sulfate, magnesium sulfate, gypsum, hemihydrate gypsum and alum are coated. The lightweight heat-insulating refractory wall can be formed by execution of spraying.

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【発明の属する技術分野】本発明は、耐火物分野におけ
る軽量断熱キャスタブル組成物に関し、特に鉄鋼用加熱
炉の断熱、タンディッシュ内張りの断熱、溶鋼鍋内張り
の断熱等において効果的で、また最近のごみ焼却炉の断
熱部位にも適用容易な軽量断熱キャスタブル組成物に関
する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lightweight heat-insulating castable composition in the field of refractories, and is particularly effective in heat insulation of a heating furnace for steel, heat insulation of a tundish lining, heat insulation of a lining of a molten steel pot, etc. The present invention relates to a lightweight heat-insulating castable composition that can be easily applied to a heat-insulating portion of a refuse incinerator.

【0002】[0002]

【従来の技術】軽量断熱材は、空気の熱伝導率の低いこ
とを利用して、耐火物中に多数の小気孔を付与した熱伝
導率の小さい耐火物であり、断熱性を備えている。
2. Description of the Related Art A lightweight heat insulating material is a refractory having a small thermal conductivity in which a number of small pores are provided in a refractory by utilizing the low thermal conductivity of air, and has a heat insulating property. .

【0003】その気孔を付与したものとして、多孔質原
料であるセラミックファイバー、蛭石(バーミキュライ
ト)焼成物、真珠岩(パーライト)焼成物、軽石、天然
スレート焼成物、膨張頁岩焼成物、珪藻土等を焼結させ
たれんが、バインダーで成形したボードが一般的であ
る。
[0003] Porous raw materials such as ceramic fiber, vermiculite fired material, perlite (pearlite) fired material, pumice stone, natural slate fired material, expanded shale fired material, diatomaceous earth, etc. are given as porous materials. Generally, a sintered brick is a board formed with a binder.

【0004】従来、一般的に軽量断熱れんがや断熱ボー
ドは、焼却炉の操業改善、熱損失の軽減を目的に使用さ
れているが、近年の熱練工不足への対応、省力化への対
応が困難であった。すなわち、軽量断熱のキャスタブル
で吹き付け施工ができるものでなかった。
Conventionally, lightweight insulating bricks and heat insulating boards have been generally used for the purpose of improving the operation of incinerators and reducing heat loss. Was difficult. In other words, it was not possible to perform the spraying construction with a lightweight heat-insulating castable.

【0005】[0005]

【発明が解決しようとする課題】そのため、鉄鋼用加熱
炉の断熱、タンディッシュ内張りの断熱、溶鋼鍋内張り
の断熱、また最近のごみ焼却炉の断熱部位にも効果的に
適用可能なキャスタブルによる吹き付け施工できるもの
が望まれていた。
Therefore, heat-insulating furnaces for iron and steel, heat-insulating tundish linings, heat-insulating linings for molten steel pots, and spraying by castables that can be effectively applied to the heat insulating parts of recent refuse incinerators. What could be constructed was desired.

【0006】[0006]

【課題を解決するための手段】本発明は、上記のような
点について鑑みたもので、上記の課題を解決するため
に、セラミックファイバーまたは軽量骨材粒子に、ポル
トランドセメントまたはアルミナセメントの1種以上、
および硫酸カルシウム、硫酸アルミニウム、硫酸マグネ
シウム、石膏、半水石膏、明礬の1種または2種以上の
硬化促進剤を被覆含有したことを特徴とする軽量断熱キ
ャスタブル組成物を提供する。
SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and in order to solve the above-mentioned problems, ceramic fiber or lightweight aggregate particles are coated with one of Portland cement or alumina cement. that's all,
And a light-weight insulative castable composition characterized by comprising one or more hardening accelerators of calcium sulfate, aluminum sulfate, magnesium sulfate, gypsum, gypsum hemihydrate and alum.

【0007】また、セラミックファイバーと軽量骨材粒
子の混合物に、ポルトランドセメントまはアルミナセメ
ントの1種以上、および硫酸カルシウム、硫酸アルミニ
ウム、硫酸マグネシウム、石膏、半水石膏、明礬の1種
または2種以上の硬化促進剤を被覆含有したことを特徴
とする軽量断熱キャスタブル組成物を提供する。
[0007] In addition, a mixture of ceramic fiber and lightweight aggregate particles, one or more of Portland cement or alumina cement, and one or two of calcium sulfate, aluminum sulfate, magnesium sulfate, gypsum, hemihydrate gypsum, and alum A lightweight heat-insulating castable composition characterized by comprising the above-mentioned curing accelerator in a coating form is provided.

【0008】[0008]

【発明の実施の形態】本発明の軽量断熱キャスタブル組
成物は、セラミックファイバーまたは軽量骨材粒子に、
ポルトランドセメントまたはアルミナセメントの1種以
上、および硫酸カルシウム、硫酸アルミニウム、硫酸マ
グネシウム、石膏、半水石膏、明礬の1種または2種以
上の硬化促進剤を被覆含有したことを特徴としている。
DETAILED DESCRIPTION OF THE INVENTION The lightweight insulative castable composition of the present invention comprises a ceramic fiber or lightweight aggregate particles,
It is characterized by being coated with at least one kind of Portland cement or alumina cement and one or more kinds of hardening accelerators of calcium sulfate, aluminum sulfate, magnesium sulfate, gypsum, hemihydrate gypsum, and alum.

【0009】本発明に使用するセラミックファイバーの
化学成分は、たとえば表1に示しているもので、粒状や
微粒状のセラミックファイバーバルク綿を使用するのが
好ましく、市販のロックウール、ガラスウール、アルミ
ナ・シリカファイバー、シリカファイバー、アルミナフ
ァイバーの主体が原綿状のいわゆるバルク綿を使用する
ことができる。
The chemical components of the ceramic fiber used in the present invention are, for example, those shown in Table 1. It is preferable to use granular or finely divided ceramic fiber bulk cotton, and commercially available rock wool, glass wool, alumina -So-called bulk cotton in which the main body of silica fiber, silica fiber and alumina fiber is raw cotton can be used.

【0010】ロックウールは、高炉スラグを主体とした
低珪酸高石灰組成を主成分とする保温断熱性に優れる原
料である。使用温度範囲は、常温〜600度Cが適用可
能なものである。
Rock wool is a raw material having a low silicate and high lime composition mainly composed of blast furnace slag and having excellent heat insulation and heat insulating properties. The working temperature range is from room temperature to 600 ° C.

【0011】ガラスウールは、含アルカリガラス系の溶
融ガラスを繊維化したバルク状のもので、ロックウール
と同様に保温断熱材として使用されるものである。使用
温度範囲は、常温〜400度Cが適用可能なものであ
る。
[0011] The glass wool is a bulk material obtained by fiberizing an alkali-containing glass-based molten glass, and is used as a heat insulating material similarly to rock wool. The operating temperature range is from room temperature to 400 ° C.

【0012】アルミナ・シリカファイバーは、ロックウ
ール、ガラスウールに比較して耐熱性も高く、耐火物と
しての特性を持ったもので、耐火断熱れんがに代わる優
れた特徴を有しているものである。使用温度範囲は、6
00度C〜1500度Cが適用可能なものである。
Alumina-silica fiber has higher heat resistance than rock wool and glass wool, has properties as a refractory, and has an excellent feature that can replace fire-resistant insulation brick. . Operating temperature range is 6
00 ° C to 1500 ° C is applicable.

【0013】[0013]

【表1】 [Table 1]

【0014】アルミナファイバーは、アルミナ・シリカ
ファイバーより耐熱性が高く、超高温炉などに使用され
るものである。使用温度範囲は、1500度C以上が適
用可能なものである。上記セラミックファイバーバルク
綿は、施工する炉の使用温度で適宜選択される。
Alumina fibers have higher heat resistance than alumina-silica fibers and are used in ultrahigh-temperature furnaces and the like. The operating temperature range is 1500 ° C. or higher. The ceramic fiber bulk cotton is appropriately selected depending on the operating temperature of the furnace to be installed.

【0015】一般に軽量断熱材は、多孔材料を焼結させ
る方法、バルクファイバーと無機バインダー、有機バイ
ンダーからなる配合を成形する方法(ボード)がとられ
ているが、キャスタブル耐火物の施工のようにバルクフ
ァイバー綿を使用しての流し込み施工、吹き付け施工は
されていない。そのため、本発明では、キャスタブルと
同じようにセメントと硬化剤を添加して吹き付け施工が
できる粒度構成にしたものである。
In general, a lightweight heat insulating material is obtained by a method of sintering a porous material, or a method of forming a mixture of a bulk fiber and an inorganic binder or an organic binder (board). There is no casting or spraying using bulk fiber cotton. For this reason, in the present invention, like the castable, a cement and a hardening agent are added so as to have a particle size configuration that can be sprayed.

【0016】鋭意研究の結果、セラミックファイバーバ
ルク綿または/および軽量骨材粒子の混合物に、ポルト
ランドセメントまたはアルミナセメントの1種以上、お
よび硫酸カルシウム、硫酸アルミニウム、硫酸マグネシ
ウム、石膏、半水石膏、明礬の1種または2種以上の急
硬剤を被覆含有して均質で吹き付け可能な軽量断熱キャ
スタブル組成物を得た。
As a result of intensive studies, ceramic fiber bulk cotton or / and a mixture of lightweight aggregate particles, one or more of Portland cement or alumina cement, and calcium sulfate, aluminum sulfate, magnesium sulfate, gypsum, hemihydrate gypsum, alum To obtain a homogeneous, sprayable, lightweight, heat-insulating castable composition containing one or more hardeners.

【0017】本発明の耐火性骨材の化学成分について表
1に示している。そして、セラミックファイバーバルク
綿0〜50重量%、軽量骨材粒子0〜50重量%、硫酸
カルシウム、硫酸アルミニウム、硫酸マグネシウム、石
膏、半水石膏、明礬の1種または2種以上の急硬剤0.
05〜10.0重量%、ポルトランドセメントまたはア
ルミナセメントの1種以上10〜70重量%を配合する
軽量断熱キャスタブル組成物である。
Table 1 shows the chemical components of the refractory aggregate of the present invention. Then, 0 to 50% by weight of ceramic fiber bulk cotton, 0 to 50% by weight of lightweight aggregate particles, one or two or more hardening agents of calcium sulfate, aluminum sulfate, magnesium sulfate, gypsum, gypsum hemihydrate, and alum 0 .
It is a lightweight heat-insulating castable composition containing 0.5 to 10.0% by weight, and 10 to 70% by weight of one or more of portland cement or alumina cement.

【0018】また、本発明の組成に混合される軽量骨材
原料は、充鎮性、流動性、吹き付け性付与のキャスタブ
ル粒度構成をとるため、蛭石(バーミキュライト)焼成
物、真珠岩(パーライト)焼成物、軽石、天然スレート
焼成物、膨張頁岩焼成物の1種または2種以上を使用す
る。
The lightweight aggregate raw material to be mixed with the composition of the present invention has a castable particle size composition for imparting sufficiency, fluidity, and sprayability, so that vermiculite fired material and perlite (pearlite) are used. One or more of a fired product, a pumice stone, a natural slate fired material, and an expanded shale fired material are used.

【0019】セメントは、キャスタブル吹き付けの流動
性付与と硬化促進のため使用する。硫酸カルシウム、硫
酸アルミニウム、硫酸マグネシウム、石膏、半水石膏、
明礬の1種または2種以上の急硬剤は、キャスタブル吹
き付け施工のセメントに対する凝結付着性のために使用
する。
Cement is used for imparting fluidity of castable spray and accelerating hardening. Calcium sulfate, aluminum sulfate, magnesium sulfate, gypsum, hemihydrate gypsum,
One or more stiffening agents of alum are used for setting adhesion to cement in castable spraying applications.

【0020】[0020]

【実施例】実施例1〜7を表1に示した各原料で表2に
示した重量比率で配合し、オムニミキサーで乾式混合し
て軽量断熱キャスタブルを得た。この各軽量断熱キャス
タブル100重量部に対し、表3に示した重量比率で水
を添加して混練した。なお、混合、混練ともオムニミキ
サーを用いて行い、混合は1分間、混練は3分間実施し
た。
EXAMPLES Examples 1 to 7 were blended with the respective raw materials shown in Table 1 at the weight ratios shown in Table 2 and dry-mixed with an omni mixer to obtain lightweight heat-insulating castables. To 100 parts by weight of each of these lightweight heat-insulating castables, water was added at a weight ratio shown in Table 3 and kneaded. In addition, mixing and kneading were performed using an omni mixer, and mixing was performed for 1 minute and kneading was performed for 3 minutes.

【0021】混練して得られたキャスタブルを金型に鋳
込み、約3時間放置して硬化させた。その後、12時間
で脱枠し、110度Cで12時間乾燥後、900度Cで
3時間焼成した。得られた試片について、JISR25
53、2655に準拠し、40x40x160mmの試
片の強さおよびかさ比重を測定した。
The castable obtained by kneading was cast into a mold and left to cure for about 3 hours. Then, it was deframed in 12 hours, dried at 110 ° C. for 12 hours, and baked at 900 ° C. for 3 hours. About the obtained specimen, JISR25
53, 2655, the strength and bulk specific gravity of a 40 × 40 × 160 mm specimen were measured.

【0022】それらの結果を表3に比較例の断熱れんが
の測定結果とともに示し、吹き付け施工の実験結果を表
4に示した。施工厚みは、200mm以上、水平天井で
も200mm以上確保できた。焼却炉にリードガンまた
はアリバーガンにより吹き付け施工された施工体(実施
例3)のボーリングサンプルの試験結果から、熱伝導率
0.15Kcal/m.h.度C以下、嵩比重0.5g
/cm3 以下、圧縮強度0.4MP以上の性能を発揮し
ている。
The results are shown in Table 3 together with the measurement results of the insulated bricks of the comparative example. The construction thickness was 200 mm or more, and even the horizontal ceiling was 200 mm or more. From the test result of the boring sample of the construction body (Example 3) sprayed by the lead gun or the aliber gun to the incinerator, the thermal conductivity was 0.15 Kcal / m. h. Degree C or less, bulk specific gravity 0.5g
/ Cm 3 or less and a compression strength of 0.4 MP or more.

【0023】[0023]

【表2】 [Table 2]

【0024】[0024]

【表3】 [Table 3]

【0025】[0025]

【表4】 [Table 4]

【0026】[0026]

【発明の効果】以上のように本発明にあっては、鉄鋼用
加熱炉の断熱、タンディッシュ内張りの断熱、溶鋼鍋内
張りの断熱、また最近のごみ焼却炉の断熱部位にキャス
タブル組成物の吹き付け施工で軽量断熱耐火壁を形成す
ることができて、近年の熟練工不足への対応、省力化に
容易に対応することができる。
As described above, according to the present invention, heat insulation of a heating furnace for steel, insulation of a lining of a tundish, insulation of a lining of a molten steel pot, and spraying of a castable composition on a heat insulating portion of a recent refuse incinerator. A lightweight heat-insulating fire-resistant wall can be formed by construction, and it is possible to easily cope with the recent shortage of skilled workers and to save labor.

【0027】特に、硫酸カルシウム、硫酸アルミニウ
ム、硫酸マグネシウム、石膏、半水石膏、明礬の1種ま
たは2種以上の急硬剤によって、キャスタブル吹き付け
施工のセメントに対する凝結付着性を付与できる。
In particular, one or more quick-setting agents of calcium sulfate, aluminum sulfate, magnesium sulfate, gypsum, hemihydrate gypsum, and alum can impart cohesion and adhesion to castable spraying cement.

【0028】また、軽量骨材原料に、蛭石(バーミキュ
ライト)焼成物、真珠岩(パーライト)焼成物、軽石、
天然スレート焼成物、膨張頁岩焼成物の1種または2種
以上を使用することによって、充鎮性、流動性、吹き付
け性付与できる。
In addition, as a raw material of lightweight aggregate, burned vermiculite, pearlite, pumice,
By using one or two or more of a natural slate fired product and an expanded shale fired product, it is possible to impart filling properties, fluidity, and sprayability.

【0029】さらに、アルミナセメントに耐火アルミナ
セメント1号、ハイアルミナセメント、通常のキャスタ
ブル耐火物に使われるものを使用することによって、耐
熱性を高めることができ、超高温炉などにも適用するこ
とができる。
Further, by using the refractory alumina cement No. 1, high-alumina cement, and those used for ordinary castable refractories as the alumina cement, the heat resistance can be increased, and the invention can be applied to an ultra-high temperature furnace and the like. Can be.

フロントページの続き (72)発明者 田中 征二郎 兵庫県赤穂市中広字東沖1576番地の2川崎 炉材株式会社内 Fターム(参考) 4G033 AA12 AA21 AB01 AB02 AB12 BA01 Continuation of the front page (72) Inventor Seijiro Tanaka 2F, Kawasaki Furnace Materials Co., Ltd., 1576, east offshore of Nakahiro, Ako-shi, Hyogo F-term (reference) 4G033 AA12 AA21 AB01 AB02 AB12 BA01

Claims (5)

【特許請求の範囲】[Claims] 【請求項1】 セラミックファイバーまたは軽量骨材粒
子に、ポルトランドセメントまたはアルミナセメントの
1種以上、および硫酸カルシウム、硫酸アルミニウム、
硫酸マグネシウム、石膏、半水石膏、明礬の1種または
2種以上の硬化促進剤を被覆含有したことを特徴とする
軽量断熱キャスタブル組成物。
Claims 1. A ceramic fiber or lightweight aggregate particle comprising one or more of Portland cement or alumina cement, and calcium sulfate, aluminum sulfate,
A lightweight, heat-insulating castable composition comprising one or more hardening accelerators of magnesium sulfate, gypsum, hemihydrate gypsum, and alum.
【請求項2】 セラミックファイバーと軽量骨材粒子の
混合物に、ポルトランドセメントまたはアルミナセメン
トの1種以上、および硫酸カルシウム、硫酸アルミニウ
ム、、硫酸マグネシウム、石膏、半水石膏、明礬の1種
または2種以上の硬化促進剤を被覆含有したことを特徴
とする軽量断熱キャスタブル組成物。
2. A mixture of ceramic fibers and lightweight aggregate particles, one or more of Portland cement or alumina cement, and one or two of calcium sulfate, aluminum sulfate, magnesium sulfate, gypsum, hemihydrate gypsum, and alum. A lightweight heat-insulating castable composition comprising the above curing accelerator in a coating form.
【請求項3】 セラミックファイバーがバルク綿で、ロ
ックウール、ガラスウール、アルミナファイバー、シリ
カファイバー、アルミナ・シリカファイバーの主体の原
綿状のバルクファイバーである1種または2種以上でセ
ラミックファイバーを構成した請求項1または2に記載
の軽量断熱キャスタブル組成物。
3. The ceramic fiber is composed of bulk cotton, and one or more of raw wool-like bulk fibers mainly composed of rock wool, glass wool, alumina fiber, silica fiber, and alumina-silica fiber. The lightweight heat-insulating castable composition according to claim 1.
【請求項4】 軽量骨材原料が、蛭石(バーミキュライ
ト)焼成物、真珠岩(パーライト)焼成物、軽石、天然
スレート焼成物、膨張頁岩焼成物の1種または2種以上
を使用した請求項1または請求項2に記載の軽量断熱キ
ャスタブル組成物。
4. The raw material for the lightweight aggregate is one or more of calcined vermiculite (vermiculite), calcined perlite (pearlite), pumice, calcined natural slate, and calcined expanded shale. A light-weight insulated castable composition according to claim 1 or claim 2.
【請求項5】 アルミナセメントは、耐火アルミナセメ
ント1号、2号、ハイアルミナセメント、通常のキャス
タブル耐火物に使用されるもので、1種または2種以上
を使用する請求項1または2に記載の軽量断熱キャスタ
ブル組成物。
5. The alumina cement according to claim 1, wherein one or more of the alumina cements are used for refractory alumina cement No. 1, No. 2, high alumina cement, and ordinary castable refractories. Lightweight insulated castable composition.
JP11000870A 1999-01-06 1999-01-06 Light weight heat-insulating castable composition Pending JP2000203951A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11000870A JP2000203951A (en) 1999-01-06 1999-01-06 Light weight heat-insulating castable composition

Publications (1)

Publication Number Publication Date
JP2000203951A true JP2000203951A (en) 2000-07-25

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
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Country Link
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KR100525564B1 (en) * 2002-05-03 2005-10-31 주식회사 경동세라텍 Covering composite for fire resistance and sound absorption
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Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100525564B1 (en) * 2002-05-03 2005-10-31 주식회사 경동세라텍 Covering composite for fire resistance and sound absorption
JP2007269606A (en) * 2006-03-31 2007-10-18 Nichias Corp Monolithic refractory forming material and monolithic refractory formed body
JP4704263B2 (en) * 2006-03-31 2011-06-15 ニチアス株式会社 Amorphous refractory molding material and Amorphous refractory molding
JP2010126961A (en) * 2008-11-27 2010-06-10 Nichias Corp Construction method of inorganic hollow body composition
KR101102664B1 (en) 2010-03-31 2012-01-04 경상대학교산학협력단 Particulate dispersant for high flowability of castable refractories
WO2014186687A1 (en) * 2013-05-16 2014-11-20 Bnz Materials, Inc. Refractory castables with hydrophobic aggregates
US9227881B2 (en) 2013-05-16 2016-01-05 Bnz Materials, Inc. Refractory castables with hydrophobic aggregates
US9751804B2 (en) 2013-05-16 2017-09-05 Bnz Materials, Inc. Refractory castables with hydrophobic aggregates
US10029947B2 (en) 2013-05-16 2018-07-24 Bnz Materials, Inc. Refractory castables with hydrophobic aggregates
CN104529275A (en) * 2014-12-12 2015-04-22 广西科技大学 Lightweight high-strength concrete
CN109627018A (en) * 2018-10-16 2019-04-16 青岛万和装饰门窗工程有限公司 A kind of light weight castable refractory and preparation method thereof suitable for door and window
CN109627019A (en) * 2018-10-16 2019-04-16 青岛万和装饰门窗工程有限公司 A kind of fire resisting floating bead is the light weight castable refractory of raw material

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