Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Preparation method of silica insulating refractory bricks
The invention discloses a preparation method of silica insulating refractory bricks, which relates to the technical filed of refractory material manufacturing. The preparation method is implemented by taking the following components in parts by weight as raw materials: 75-85 parts of quartz sand, 15-25 parts of expanded perlite, 0.3-0.4 part of ferric oxide powder, 8-10 parts of lime milk, and 4-6 parts of spent pulping liquor through the steps of material proportioning, mixing, blank forming, drying, and firing so as to obtain silica insulating refractory bricks. Compared with the prior art, the refractoriness under load of the silica insulating refractory bricks prepared by the preparation method is high, and the prepared silica insulating refractory bricks are not easy to shrink at high temperature, low in thermal conductivity and good in thermal stability, therefore, the bricks can meet the needs of building materials for various metallurgical and chemical thermal facilities and the like.
Preparation method of silica insulating refractory bricks
The invention discloses a preparation method of silica insulating refractory bricks, which relates to the technical filed of refractory material manufacturing. The preparation method is implemented by taking the following components in parts by weight as raw materials: 75-85 parts of quartz sand, 15-25 parts of expanded perlite, 0.3-0.4 part of ferric oxide powder, 8-10 parts of lime milk, and 4-6 parts of spent pulping liquor through the steps of material proportioning, mixing, blank forming, drying, and firing so as to obtain silica insulating refractory bricks. Compared with the prior art, the refractoriness under load of the silica insulating refractory bricks prepared by the preparation method is high, and the prepared silica insulating refractory bricks are not easy to shrink at high temperature, low in thermal conductivity and good in thermal stability, therefore, the bricks can meet the needs of building materials for various metallurgical and chemical thermal facilities and the like.
Preparation method of silica insulating refractory bricks
FENG JUAN (Autor:in) / ZHANG KAIYI (Autor:in) / WANG JIALONG (Autor:in)
30.09.2015
Patent
Elektronische Ressource
Englisch
IPC:
C04B
Kalk
,
LIME