fe on the tray of mixing Funnel to add the material of drilling fluid into the Funnel pounding.Р3.3 Control the speed of adding material to get the best mixing effect, so the designed treatment capacity of mixing should’t be exceeded.Р3.4 Wash up the mixing Funnel pounded or supplied fluid.Open the bottom plug to let the residual drilling fluid out.Р4、CautionsР4.1 The distance between nozzle and the end plane of Venturi tube should be adjusted in 32-80mm.Р4.2 The ing and discharge lines must be installed smoothly and evasively to avoid forming erratic flow.Р4.3 Be careful not to cut your hands by the knife on the tray when adding material.Р4.4 Open the plug under the T-joint in time to let the residual drilling fluid out pounded or supplied fluid in winter to avoid freezing the equipments.