INVESTIGATION OF POWDER-GAS EMISSIONS, FONNED AT MELTING AND REFINING OF ALUMINIUM ALLOYS IN REVERBERATING FURNACES

As a result of carried out analysis of processes of aluminium alloys casting and refining in reverberating  furnaces it is determined that searching source of harmful emissions are the refining processes

INCREASING OF ECOLOGICAL SAFETY OF THE PROCESSES OF SILUMINS REFINING DUE TO APPLICATION OF LOW-TOXIC FLUX METALS AND PREPARATIONS

It is shown that the received complex of mechanical and technological characteristics of alloy AK9 after processing of melt with investigated fluxes and preparations can be recommer ded for use in plant conditions that will enable the increase of ecological safety of color-founding production

TECHNOLOGICAL PECULIARITIES OF MODIFYING PROCESSING OF STEEL

The analysis of technologies of modifying has shown that maximal efficiency is reached at input of additives by the methods allowing to distribute them in regular intervals to distribute them evenly on volume of metal and to provide the minimum charcoal fumes in atmosphere

INFLUENCE OF MELTING TECHNOLOGY IN SHORT-FLAME ROTOR FURNACE ON COMPOSITION OF POWDER-GAS EMISSIONS

It is shown that processes of unprepared recycled material melting and of refining processing make ecological danger. That is why one of the variants of ecological safety of refining processes is development and application of more low-toxic preparation and refining alloys

DEVELOPMENT OF NEW SAFE FLUX FOR ALUMINIUM AND ITS ALLOYS

It is shown that application of the new combined flux metal will allow to improve ecological conditions in casthouse, with use of waste of the used agglutinant sand will give the possibility to carry out the reclaiming of the soils

ECOLOGICAL AND ECONOMIC ASPECTS OF REFINING PROCESSING OF SILUMINS

Application of the method of mathematical planning of experiments enabled to receive dependences of mechanical characteristics of alloy AK9 in cast state, grade of porosity by the scale VIAM and quantity of escaping dust at flux processing on composition of fining flux metal. The composition of fining flux metal, providing minimum dust discharge and way of assessment of degree of discharge harmfulness by the amount of ecological tax is offered

INFLUENCE OF SULFUR ON THE STRUCTURE AND CHARACTERISTICS OF ALUMINUM ALLOYS

The fining compounds on the basis of sulfur are offered. Their influence on the structure and characteristics of aluminium alloys is shown

PROCESSING OF STEEL 110G13L WITH BARIUMSTRONTIUM CARBONATES

It is shown that modification of steel with bariumstrontium carbonates promotes grinding of carbide impurities and decrease of their quantity in cast condition