IIT BHU Varanasi Syllabus Ceramic Fuels, Furnaces and Pyrometry
Fuels, Furnaces and Pyrometry
Composition, classification and characterization of industrial fuels; wood, charcoals, coal and its qualities,
petroleum, oil and natural gas, LPG, producer gas, water gas and carbureted-water gas, characteristics of coal, coal
washing and blending, carbonization of coal, manufacture of coke and recovery by products, pulverized coal,
chemistry of combustion, types of combustion, combustion of solids, liquid and gaseous fuels, fuels flame
characteristics, fluidized bed combustion.
Classification, design and description of different types of furnaces used in ceramic and metallurgical industries as
down-draft kiln, tunnel kiln, chamber furnace, glass tank furnace, rotary kiln, blast furnace, open-hearth furnace,bessemer-converter, coke-oven batteries, Heat saving devices i.e. regenerators, recuperators. General idea of
temperature measuring devices i.e. thermocouple, radiation and optical pyrometer.
CR- 3104 : Pottery and Heavy Clayware
Raw materials and their physical chemical and thermal properties. Clays, quartz, feldspar, nepheline syenite ,
whiting, talc, pyrophyllite, kyanite, sillimanite, bone-ash and clay for building materials, winning and beneficiation
of clays. Chemical and mineral composition, colour, texture, hardness and resistance to abrasion, mechanical
strength, soluble salts and physico-chemical relationships of clay and water. Forms of water in clays. Plasticity,
nature of plasticity, factors affecting plasticity, methods of measurement of workability, extra ability and binding
power. Body preparation: Body composition and batch calculations.
Methods of Fabrication: Throwing, ziggering and jolleying, soft plastic methods, extrusion methods, stiff-plastic
methods. Drying and dry-shrinkage, finishing, firing and cooling schedule. Stacking the wares, support and kiln
Manufacture, properties and uses: Terracotta bodies, common building bricks, roofing tiles, building tiles, majolica,
earthenware, china bodies and salt glazed stone ware pipes and sanitary fittings, agricultural land drains, hollow
blocks and acid resisting products.
Glazing and Decoration: body-glaze relationship, types of glaze, glaze materials, colouring ingredients, decorating
methods, compounding of glazes. Processing and application of glaze, firing properties and defects of glazes.