FIELD: fire-fighting equipment.
SUBSTANCE: invention relates to fire-fighting equipment, to manual and stationary devices for generating air-mechanical hybrid foam of medium expansion ratio (MEF) or sprayed water (SW) and can be used in extinguishing various forest, emergency transport, emergency industrial and other large-scale fires. Combined fire extinguishing installation of hybrid MEF or SW, containing two foam generators of medium expansion ratio (ME) and foam of low expansion ratio (LE), which are fixed on traverse and means for connecting generators to a pressure pipeline of an aqueous solution of a foaming agent (FS) or water (W), each of generators comprises housing (H), installed inside H mesh cassette (MC) forming air-mechanical MEF or SW, foam shaft (S) of LE or SW and means for feeding FS or W to MC and C, H is made with semi-circular side and mating flat top and bottom surfaces, on which on the side of MEF or SW outlet from H there is an annular projection concave inside the surface of the housing, MC is installed in H on the side of FS or W supply with thrust in annular projection concave inside H and is made of coaxially installed with tension one inside the other inner rim (IR) with installed and fixed in it annular cage with through hole for placement in it of S of LE foam or SW, medium rim (MR), external rim (ER), and two meshes (M) located with a gap relative to each other, one of which is fixed by edges in gap between mating side surfaces of IR and MR, and the other M is fixed by the edges in the gap between the mating side surfaces of MR and ER, wherein before and above the through hole in the cage in said meshes there are holes and the M edges near the cage through hole are fixed by means of ring washers fixed to the cage by screws, and S of LE foam or SW is placed in the through hole of the cage in the MC and is connected to the FS or W supply means into it.
EFFECT: increased efficiency of extinguishing emergency transport, forest, emergency industrial and other fires.
12 cl, 19 dwg, 1 tbl
Authors
Dates
2024-05-21—Published
2023-12-11—Filed