DELUGE SPRINKLER Russian patent published in 2018 - IPC A62C37/12 

FIELD: fire safety.

SUBSTANCE: invention relates to fire fighting equipment, in particular to deluge sprinklers for fire-extinguishing with a finely dispersed liquid. Sprinkler is designed for spraying liquid in automatic stationary fire extinguishing installations. In the deluge sprinkler, consisting of a base in the form of a chimney with a channel and a divider attached to the holders, the base of the sprinkler is connected to at least two arched supports, which hold the sleeve with the divider fixed thereon, made in the form of a diffuser with a belt bent towards the base with tabs located along the generatrix of the conical surface of the belt, and inside the divider there is an additionally installed sprayer made in the form of a cylinder on the outer surface of which a screw thread is made, wherein the cylinder is attached in such a way as to be able to rotate, by means of two axes to the inner surface of the dissector, part of the tabs made bent toward the larger base of the conical surface of the diffuser, wherein the bent tabs are alternately arranged with non-bent tabs, and at the base of the sprinkler at least three openings are provided for ejecting air sucking in order to form a two-phase flow, and for a more efficient ejection air sucking in order to form a finely dispersed two-phase flow in the divider made in the form of a diffuser with a belt bent toward the base, additional holes are provided on the conical surface of the diffuser between the conical sleeve and the nebulizer, made in the form of a cylinder, on the external surface of which screw thread is made.

EFFECT: increase the effectiveness of fire extinguishing in automatic stationary installations due to the uniformity of irrigation of the surface and homogeneity of fine-sprayed drip spray.

1 cl, 1 dwg