FIELD: dosing devices.
SUBSTANCE: present invention relates to a dosing device for a sand blasting installation of a rail vehicle. Dispenser (1) for sand blasting installation of rail vehicle with housing unit (2), in which sand supply path from sand funnel (3) passes through rising with inclination from space (11) to receive sand to space (18) for sand flow turning channel (4) for sand mixing into vertical channel (5) for sand blowing, and with bottom inlet coaxially to channel (4) for sand mixing air transporting pipe (14), for creation of sand that moves sand for sprinkling of air flow paths. Result is achieved due to that in inlet from above into space (18) for turning sand flow inlet channel (22) with possibility of detachable nozzle insert (23) in order to create directed downward in channel (5) for blowing sand air flow.
EFFECT: unloaded amount of sand for sprinkling of roads can be dosed more accurately, and susceptibility to wear of dosing device (10) is reduced.
9 cl, 2 dwg
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