DRAINAGE OF SETTLING TANK-COLLECTOR Russian patent published in 2003 - IPC

FIELD: agriculture, usage of horizontal settling tanks-collectors of liquid manure. SUBSTANCE: drainage of settling tanks-collector includes rectangular trench which lower part has drainage space and which upper part is filled with filtering covering. Inflatable elastic tube is laid along bottom of concrete trench. Filtering covering is poured into lattice box fitted in upper part with rests and at bottom with hooks. Fixing protrusions are made along upper part of concrete wall of trench and inflatable elastic tube is connected to air supply system. EFFECT: use of inflatable elastic tube makes it possible to wash drainage without employment of any additional mechanisms and manual labor. 1 cl, 2 dwg