silica brick

silica brick

[′sil·ə·kə ¦brik]
(materials)
A type of refractory brick formed of at least 90% silica cemented with, for example, slurried lime; used to line furnace roofs.

silica brick

A refractory brick made from quartzite containing about 96% silica, 2% alumina, and 2% lime.
References in periodicals archive ?
A great role in the technology of production of silica brick has raw strength, which for raw lime -sand mixture is 0.4-0.5 MPa.
Using clay rocks in the production of silica brick will improve the formability of the raw mixture to increase the strength of raw and, accordingly, reduce the flaws in the molding process.
Topics of the 21 papers include modeling the quality of glass melting processes, the operational experience of an oxy-fuel fired glass melter using an improved silica crown and wide flame burners, measuring particle size in the flue gas of glass melting furnaces, requirements of glass compositions for solar applications, model-based predictive control to increase the efficiency of glass production and energy, calculating and measuring temperature distributions in glass gobs between shears and blank mold, postmortem of a conventional silica brick from a soda-lime float glass furnace crown, and refractory solutions for extra white glasses.
As a result of exothermic nature of the reactions of oxidizing of impurities, temperature of the process, as a rule, exceeds rational limits, which negatively effects stability of silica brick lining.
The furnace lining consists of a silica brick bottom and sidewalls with a coxie sand and dextrine mixture rammed into the bottom, and the ladles are lined with bloating fireclay brick.
Tenders invited for silica bricks (type-i,ii,iii) for oc
From the crusher demolishing silica bricks to workers in the fitting shop and the canteen, readers are taken on a journey to a very specific world that centres on very specific types of people.
Supply of refractory and semi silica bricks, also of refractory mixture.
These were made in Canada and Sweden, the steel dish was lined with especially shaped silica bricks which expanded when heated, to form a sealed wall inside the dish and similarly the lid.
Tenders invited for Manufacturing, inspection, testing and supply of high purity silica bricks
Two tenders for the request of international offers to supply (a) three-way steam heated valves and (b) silica bricks. Ref.
Tenders are invited for Supply Of Silica Bricks & Silica Mortar (Package 2) For Rebuilding Of Coke Oven Battery #8, Bsl, Bokaro