FIELD: process engineering.
SUBSTANCE: proposed generator is intended for fire extinguishing in tanks with inflammable fluids. It comprises cylindrical housing with foam generating solution and air feed union. Said housing is made up of sleeve accommodating said air feed union. Note here that union inner and outer surfaces form solution feed annular channel while cylindrical shell is rigidly jointed with housing and aligned therewith. Note also that nozzle made up of radial-flow solution swirler is jointed with said housing and aligned therewith. Said nozzle has at least three tangential cylindrical feed holes. Besides, said shell makes a part of said nozzle and is arranged coaxially with said swirler. Swirler face surface has taper and cylindrical throttle orifices. Note that swirler is fitted inside housing cylindrical chamber and communicates with three cylindrical, taper and diffuser chambers. Note that chambers are arranged sequentially and aligned therewith to make outlet of one chamber an inlet of another chamber.
EFFECT: higher efficiency.
2 dwg
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Authors
Dates
2011-10-10—Published
2010-05-14—Filed