A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
METHOD FOR PRODUCING UNFIRED BASIC BRICK
To provide a method for producing an unfired basic brick, capable of suppressing the generation of a low-melting material and hexavalent chromium during use, with minimal change over time after kneading.SOLUTION: A method for producing an unfired basic brick includes a step of adding an organic solvent to a refractory raw material mixture, kneading the same, and then press-forming the kneaded mixture, where the refractory raw material mixture comprises: 10 mass% or more and 60 mass% or less of at least one of magnesia chromium having a particle size of less than 1 mm and magnesia having a particle size of less than 1 mm; and 0.5 mass% or more and 10 mass% or less of at least one of magnesium sulfates and magnesium chlorides.SELECTED DRAWING: None
【課題】混練後の経時変化が小さく、使用中の低融物や６価クロムの生成を抑制することができる不焼成塩基性れんがの製造方法を提供する。【解決手段】粒径１ｍｍ未満のマグクロ及び粒径１ｍｍ未満のマグネシアのうち少なくとも一種を合計で１０質量％以上６０質量％以下、硫酸マグネシウム類及び塩化マグネシウム類のうち少なくとも一種を合計で０．５質量％以上１０質量％以下含有する耐火原料配合物に、有機溶媒を添加して混練し、混練物を加圧成形する工程を含む、不焼成塩基性れんがの製造方法。【選択図】なし
METHOD FOR PRODUCING UNFIRED BASIC BRICK
To provide a method for producing an unfired basic brick, capable of suppressing the generation of a low-melting material and hexavalent chromium during use, with minimal change over time after kneading.SOLUTION: A method for producing an unfired basic brick includes a step of adding an organic solvent to a refractory raw material mixture, kneading the same, and then press-forming the kneaded mixture, where the refractory raw material mixture comprises: 10 mass% or more and 60 mass% or less of at least one of magnesia chromium having a particle size of less than 1 mm and magnesia having a particle size of less than 1 mm; and 0.5 mass% or more and 10 mass% or less of at least one of magnesium sulfates and magnesium chlorides.SELECTED DRAWING: None
【課題】混練後の経時変化が小さく、使用中の低融物や６価クロムの生成を抑制することができる不焼成塩基性れんがの製造方法を提供する。【解決手段】粒径１ｍｍ未満のマグクロ及び粒径１ｍｍ未満のマグネシアのうち少なくとも一種を合計で１０質量％以上６０質量％以下、硫酸マグネシウム類及び塩化マグネシウム類のうち少なくとも一種を合計で０．５質量％以上１０質量％以下含有する耐火原料配合物に、有機溶媒を添加して混練し、混練物を加圧成形する工程を含む、不焼成塩基性れんがの製造方法。【選択図】なし
METHOD FOR PRODUCING UNFIRED BASIC BRICK
不焼成塩基性れんがの製造方法
SHIMIZU KOICHI (author)
2024-09-12
Patent
Electronic Resource
Japanese
IPC:
C04B
Kalk
,
LIME
UNFIRED BRICK REFRACTORY AND METHOD FOR PRODUCING UNFIRED BRICK REFRACTORY
| European Patent Office | 2018