| 摘要 |
FIELD: tools for hydrodynamic cleaning of surfaces from dirt and fouling. ^ SUBSTANCE: proposed tool has at least one group of nozzles; diameter of each nozzle in group is calculated depending on pressure and flow rate of water; working pressure in tool is determined depending on flow rate of water, number of nozzles and their diameters. ^ EFFECT: increased productivity; enhanced efficiency. ^ 3 cl, 1 dwg, 4 ex |
