JOURNAL OF FACULTY OF ENGINEERING & TECHNOLOGY, Vol 24, No 1 (2017)

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MANUFACTURING OF LIGHT-WEIGHT REFRACTORY BRICKS USING LOCAL RAW MATERIAL

Liaqat Ali, Muhammad Yousaf Anwar, Muhammad Asif Rafiq, Ehsan ul Haq, K Shahzad

Abstract


Refractories with low thermal conductivity, high porosity and good mechanical strength are desirable to control the heat losses during high temperature processing. Locally produced insulating firebricks cannot be used at high temperatures due to poor refractoriness and low hot strength. In the present experimental work, locally available cheap raw materials, namely, clay, rice husk and saw dust were used to manufacture light-weight refractory bricks using different ratios of raw materials. Various process parameters were investigated and the bricks with optimized properties were produced which can be used upto 1200 °C. Moreover, the bricks produced will be lower in price and also beneficial from energy conservation point of view due to low heat losses.

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Faculty of Engineering & Technology

University of the Punjab

Lahore-54590-Pakistan