Dry Mortar Transport Pump: Qz-hb-40s dry powder mortar transport pump.The main function of qz-hb-40s dry powder mortar transport pump is to send mortar pump to the working surface, which is the precondition for the grouting work of qz-hb-2q mortar spraying machine. Qz-hb-40s dry powder mortar transport pump can be used in construction, railway and road tunnels, bridge culverts,