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Analysis of the energy-output ratio of production process of wood fuel from waste wood

Abstract

Analysis of the energy-output ratio of production process of wood fuel from waste wood

Anisimov P.N.

Incoming article date: 21.09.2018

It is proposed to use energy efficiency as a criterion for optimizing of wood fuel production when comparing different technologies with the help of simulation modeling. The results of the calculation of the specific consumption of energy resources per unit of produced fuel chips are considered under the processing technologies under consideration. The costs of energy resources are taken into account starting from the stage of harvesting of low quality fuel wood in the cutting area, ending with shipment of fuel chips to the consumer. The energy efficiency of the considered technological process for the production of fuel chips with the help of a system of machines consisting of an feller buncher, a mobile wood chipper and a chip transport machine accounted for 93.76% with a chip transport distance of 50 km, the energy intensity of the product was 7.949 tons of fuel equivalent for 1 thousand dense cubic meters of fuel chips. The offered technique allows to make the comparative estimation of power efficiency of various technologies of manufacture of fuel chips.

Keywords: fuel chips, production technique of wood fuel, optimization criterion, energy-output ratio, energy efficiency