Silica Brick for Glass Furnace Application

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Specifications

1.high temp Refractoriness Under Load
2.good stability under high temp
3.low pollution
4.Refractory Silica Brick

Silica Bricks for Glass Furnace

,there are series silica bricks for glass furnace, BG-95, BG-96A, BG-96B. high purity silica for brick mading, with science material proporation and technic of products. different calcined machine, automation, short cycle of production.

Item		BG-94	BG-95	BG-96A	BG-96B
Chemical composition	SiO2	≥94	≥95	≥96	≥96
	Fe2O3	≤1.5	≤1.5	≤0.8	≤0.7
	Al2O3+TiO2+R2O		≤1.0	≤0.5	≤0.7
Refractoriness °C		1710	1710	1710	1710
Apparent Porosity%		≤22	≤21	≤22	≤22
Bulk Density g/cm3		≥1.8	≥1.8	≥1.8	≥1.8
True Density,g/cm3		≤2.38	≤2.38	≤2.34	≤2.34
Cold Crushing Strength Mpa		≥24.5	≥29.4	≥35	≥35
0.2Mpa Refractoriness Under Load T0.6 °C		≥1630	≥1650	≥1680	≥1680
Permanent Linear Change On Reheating(%)1500°CX2h		0~+0.3	0~+0.3	0~+0.3	0~+0.3
20-1000°CThermal Expansich10-6/°C		1.25	1.25	1.25	1.25
Thermal Conductivity (W/MK) 1000°C		1.74	1.74	1.44	1.44

$Glass Furnace Application Refractory Silica Brick$

Q:Brick: Acidic silica brick refractory material, has good acid resistance and slag erosion, softening temperature is as high as 1640 to 1670 DEG C, in the long-term use volume is relatively stable under high temperature.

Q:Such purpose and scope please give me detailed points thank you because I am learning stage: Acid refractory brick is mainly composed of tridymite and cristobalite and quartz and a small amount of residual glass phase.

Q:Physical solid waste disposal: The production of silicon material is added to the cause of waste brick:Preparation of silica brick pug, a certain amount of waste silica brick used to add ingredients, for the purpose of expansion and stress reduction products during firing

Q:Glass kiln brick for physical and chemical indicators?: Glass kiln with high quality silica brick products according to the standard JC/T615-1996, the single brick is divided into 3 grades: XBG-96, ZBG-96, DBG-96.

Q:The chemical composition of silica brick and its physicochemical index?: Brick refers to the refractory products in more than 93% of the content of SiO2

Q:The introduction of silica brick: The characteristics of silica brick:Brick belongs to refractory materials, with strong resistance to acid slag or acid solution erosion ability, high load softening temperature are excellent properties of silica brick, usually 1640-1680 C.The use of silica brick:Mainly used for masonry brick oven carbonization chamber, a combustion chamber and a partition wall, glass furnace and kiln roof, pool wall, high temperature hot blast furnace, glass furnace, load-bearing pool wall, hot blast stove, baking furnace of carbon bearing part of high temperature furnaces etc.. Rongsheng with refractory

Q:The difference between clay refractory bricks and refractory brick in the application.: Clay brick features good thermal shock resistance and low price, but high temperature performance is not well integrated, and the long-term use temperature is not higher than 1300 degrees. It is widely used in low temperature parts of various kilns.

Q:Common bond brick?: When adding ingredients, the amount of lime added shall be converted to CaO, and the amount of addition varies depending on the product, usually fluctuating at 1.5~2.5%. For example, the production of coke oven silica brick, the dosage of CaO is 2.0~3.0%; the production of electric furnace top brick, the dosage of CaO is 1.4~1.75%.

Q:The formula in the refractory brick, and firing curve, who knows?: Add 1.8-2.2% of the total weight of the main raw material, and then add lime milk, rolling for 10-15 minutes, and finally add pulp, rolling for 10-15 minutes, out of the mill, forming billet.

Q:Semisilica brick interpretation: High temperature volume stability. Volume change is small.

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