V.I. Lyashenko, Cand. Sci. (Eng.), email@example.com GP «UkrNIPIIpromtekhnologii», Zhovti Vody, Ukrain
Eco-economic efficiency is estimated with regard to nature protection technologies and technical means used at the development and processing of ore raw materials taking into account the costs of environment-friendly activities and expenses on compensation of damage caused to biosphere by mining. The article proposes the technologies, machines and equipment ensuring reliability of transportation of hardening stowing mixes through the pipeline, safety of works, possibility of using for filling of local sub-standard materials and production wastes, reduction of the expenses for cementing, cost reduction for raw materials extraction, increase in ecological safety of technologies of the deposits underground mining. The analysis of references is made, methods are used related to theoretical justifications, and the laboratory researches with implementation of the results in the development of new technologies and technical means of activation of all the components of mixture at the stages of preparation, making and transportation. Theoretical researches are conducted using the methods of mathematical and physical modeling, but the laboratory studies and industrial implementation are executed based on the conventional and new methods. Economic effect from the application of installation of vibroself-flowing transport is defined at the volume of stowage from 50 to 100 thousand m3 a year. It is equal from 100 to 200 thousand units of money. Use of vibro-, mechanical- and electroactivation components of the hardening stowage mix at the mining enterprises has increased the activity of sub-standard materials by 10–40 % for each unit. Dressing of inert materials at the vibratory screen has increased their activity by 15–20 %, and the binding materials (blast furnace granulated slags) in the disintegrator — by 20–25 %, at the yield of active class of cuts size of not more than 0.074 mm — by 55 % compared to 40 % in the grinding mills. Application of vibrotransport installations increases activity by 10–15 %, and of electrodialysis units for hardening water activation — by 30–40 %.
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