GROUT INJECTION PUMPING FOR 2 LINE

摘要

PURPOSE: A two-liquid grout injection pumping unit is provided to prevent back flow of solvent by discharging the liquid at a fixed rate. CONSTITUTION: A two-liquid grout injection pumping unit comprises a guide axis(42), a guide groove(62), and a liquid intake groove(71). The guide axis is installed on the lower surface of the pumps. The guide groove is caved from the surface of a base(20) to the inner side. A pair of pistons(61) is located on the base. One end of the liquid intake groove is open on the front area in the longitudinal direction of a pair of pumping bars.