DEVICE FOR CONTACT-FREE MEASUREMENT OF CONCENTRATION OF SOLUTIONS Russian patent published in 2000 - IPC

FIELD: instrumentation, contact-free measurement of concentration of contaminated fluids in hydrometallurgy, dressing and other branches of industry. SUBSTANCE: device is made of solution cleaning unit including filter-settling tank and gas separator and measurement unit including measurement dish, piezoelectric converter and flaw detector. Measurement dish has lid with ribs and insert with holes for piezoelectric converter attached to it. Lid of dish has polished recess to accommodate piezoelectric converter and its thickness in recess is equal to length of half-wave. Piezoelectric converter is pressed against lid of dish with sleeve having fine metric thread. EFFECT: improved reliability of contact-free measurement of concentration of solutions. 4 dwg