NOZZLE FOR SPRAYING, INTENDED FOR SUPPORT TO SUPPORT ROOF OF UNDERGROUND MINE Russian patent published in 2020 - IPC E21C35/22 E21D23/04 

FIELD: dust suppression systems.

SUBSTANCE: group of inventions relates to a nozzle for spraying, intended for support for roof support in medium of underground mine working. Fluid medium sprayer intended for support to support underground mine working pit includes first housing part including elongated rod having first end, a second end and a first fluid passage extending between the first end and the second end. Spraying outlet element located near rod second end. Second housing part, which includes at least one hole and a second channel for fluid medium, providing fluid communication between the at least one opening and the first fluid passage, wherein each opening is configured, enabling its connection with fluid medium pipe. Second housing part further includes a first end, a second end and an axis of the second body portion extending between the first end and the second end, wherein axis of second body part is oriented perpendicular to rod, second body part further includes two flat side surfaces, extending between first end of second body part and second end of second body part. Support and cover for support, designed to support roof of underground mine, containing, in particular, at least one nozzle for fluid medium spraying.

EFFECT: technical result consists in providing dust suppression.

20 cl, 12 dwg