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

Figure 3

Schematic diagram of main components of new wet spraying machine and its real product photo. 1: hopper; 2: rack; 3: oil hydraulic pump; 4: cooling system; 5: lubrication system; 6: operating handle; 7: pumping system; 8: wheel.

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