Results of Experimental Studies of a Mobile Unitfor Liquid Manure Separation Into Fractions

Abstract

The research conducted earlier in our country was mainly aimed at solving the problem of rational use of liquid manure produced in large pig breeding enterprises. How-ever, more than 70% of pork is produced on small, medi-um-size and large farms represented by several technolog-ical premises. In these enterprises, the issues of pro-cessing liquid manure as the experience of their operation in the Southern Federal District shows are resolved unsat-isfactorily. One of the advanced solutions is the use of a mobile unit for the separation of liquid pig manure into frac-tions, the basic element of which is a brush auger. The separation process in the auger occurs in the filtration zones with the production of sediment and squeezing with the production of a solid fraction. The results of experi-mental studies to determine the moisture content of the sediment in various parts of the filtration zone arepresent-ed. It has been found that this indicator depends on the length of the filtration and dewatering zones, the angle of inclination of the screw to the horizon and the rotation fre-quency of the screw. The obtained results allowed deter-mining the length of the filtration and dewatering zones, the sum of which should not exceed 4 m, the angle of inclina-tion of the auger -up to 30° and the rotation frequency within 6.3-9.4 s-1. At the same time, the moisture content of the sediment at the exit from the dewatering zone is from 83.5% up to 78.8%

The efficiency of grain economy of the Krasnodar Krai

“…Даются обоснованные рекомендации о необходимости учета природно-климатических факторов [14], бонитета почв [4] при расчетах и распределении субсидий. Исследователи наблюдают взаимосвязь качества земли и себестоимости производимой продукции: чем хуже природно-климатические факторы, тем выше затраты и ниже рентабельность [14]. В основу расчета в другом исследовании положен показатель урожайности культур и бонитет почв в Орловской области [4].…”