METHOD FOR CLEANING INTERNAL SURFACES OF WATER SUPPLY AND DRAINAGE PIPING AND TANKS FROM MECHANICAL AND CHEMICAL- BIOLOGICAL DEPOSITS

摘要

FIELD: cleaning pipping. SUBSTANCE: method is based on creating pneumatic pulse sequences of carrier frequency within 1 to 100 Hz and pulse repetition rate being changed in each sequence within limits not exceeding carrier frequency in combination with washing out heaps of deposits by water jets. EFFECT: piping surface cleaning. 1 dwg