Vibrations in engineering and technology

Shvets  Ludmila - PhD, Associate Professor, Department of Agricultural Engineering and Technical Service Vinnytsia National Agrarian University (Sunny str., 3, Vinnytsia, Ukraine, 21008, shlv0505@i.ua).

While we are struggling for energy independence and solving issues related to reducing heat loss, practical Europeans make full use of the biomaterial at hand to heat their own homes, office buildings, and even small businesses. For heating, fuel briquettes are used, which many Ukrainians still call «Eurodrova». Today, the production of fuel briquettes is a good profitable business, which you can do not only in the heating season, but throughout the calendar year.
There is one positive feature in fuel briquettes, due to which more and more customers will appear every day: at a relatively low cost (wood waste is used), briquettes give a heat transfer of 19 MJ / kg, while firewood gives only 10 MJ / kg . With this calorific value, customers will need much less fuel to heat.
At present, due to the difficult financial situation in the state, the undesirable vegetation in the form of shrubs that have flooded villages, fields and highways has become a big problem for society. Thus, the high-quality removal of unwanted vegetation is a relevant topic today.
Felling shrubs and green spaces is a necessity that often occurs when “modernizing” a garden, putting in order on abandoned sites, clearing the area for construction, proper maintenance near roads and plantings in parks and botanical gardens, and also when landscaping in large cities and suburbs.
For this purpose, a machine for cutting and chopping wood pulp was developed, with a trailed and mounted unit, which will allow collecting raw materials for wood chips, which can be used in the production of fuel briquettes, pallets for burning in boilers.

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