Scholarly record

INFLUENCE OF FOUNDRY INDUSTRY ON THE ENVIRONMENT

M. Bartosova, A. Pribulova, P. Gengel

Abstract

Foundries melt ferrous and non-ferrous metals and alloys and reshape them into products at or near their finished shape through the pouring and solidification of the molten metal or alloy into a mold. The foundry industry is a differentiated and diverse industry. It consists of a wide range of installations, from small to very large, each with a combination of technologies and unit operations selected to unit the input, size of series and type of product produced by the very specific installation. The foundry process can be divided into the following major activities: melting and metal treatment, charge preparation preparation of moulds and cores pouring of the molten metal into the mould, cooling for solidification and removing the castings from the moulds finishing of the raw castings. Every of these steps of foundry process influences the environmental by different way. The main problem in foundry industry are air emissions, the efficient use of raw materials, wastes and their reduction. Except that foundry industry produces fume, slags, odour and noise and water from foundry industry can be polluted by organics and metal dust. This contribution deals with separately steps in foundry industry, their influence on the environment and possibilities to reduce their harmful influence on environment. Big attention is given to foundry wastes and possibilities of their utilization in foundry industry or in another fields of using

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