Research on Dust Suppression Technology of Shotcrete Based on New Spray Equipment and Process Optimization

Table 2

Main technical parameters of new wet-mix shotcrete machine.

Basic parameters	Value
Mains input	660 V/1140 V
Motor power	18.5 kW
Maximal system pressure	21 MPa
Nominal working pressure	16 MPa
Hopper capacity	300 L
Production capacity (theoretical value)	7 m³/h
Transmission distance (H/V)	300 m/50 m
Working air pressure	0.4–0.6 Mpa
Air consumption	About 10 m³/min
Weight	1300 kg
Length × width × height	3200 × 980 × 1300 mm