SEWAGE TREATMENT PLANT Russian patent published in 2003 - IPC

FIELD: plants for treatment of sewage containing organic agent and mineralized water; chemical, microbiological, food-processing and other industries. SUBSTANCE: proposed plant includes preheater, momentary evaporation stages, pump and technological pipe lines, gas contact apparatus and diabatic evaporator mounted in succession before preheater; gas contact apparatus is provided with gas burner which consists of hollow ring on which convergent nozzles are mounted; these nozzles are provided with curvilinear spiral-shaped guides on their inner surface; helical grooves are provided on inner surfaces of momentary evaporation stages. EFFECT: improved service parameters; saving of fuel. 3 dwg