NOVELTY - The system has a low pressure storage vessel fluidly connected to an inlet (4) of a bulk materials pump (1). A part of a transport conduit (17) directly connects an outlet (5) of the pump to an inlet of a diverter valve. Another part of the transport conduit connects the outlet of the diverter valve to a burner as present in a reactor vessel, where the diverter valve is provided with the outlet connecting a recycle conduit with the storage vessel and adjustable to fluidly connect the pump to the burner or alternatively fluidly connect the pump to the storage vessel.    USE - System for providing particulate solid material e.g. carbonaceous solid material (claimed) such as coal e.g. anthracite, brown coal, bitumous coal, sub-bitumous coal and lignite, petroleum coke and solid biomass, wood, straw, grass, algae, weed and residue, from an industry to a pressurized gasification reactor. Uses include but are not limited to an agricultural industry, palm oil industry, corn industry, bio-diesel industry, forestry industry, wood processing industry and a paper industry.    ADVANTAGE - The system compacts material to achieve better gas seal between disks. The system allows a sealing face to avoid gas flowing from a high-pressure environment to a low-pressure environment. The system allows the disks and scrapers to be rotated such that surfaces of the disks and the scrapers partly define flow path moved along direction of a flow path so as to enhance movement of the solid material and discharge of the solid material from between the disks at the outlet. The system allows a bridge to prevent gasses present in the pressurized gasification reactor from entering the low pressure storage vessel. The system allows internals to be located in an upstream part of the conduit or in conduit part so as to ensure that sufficient solid material is present in the downstream part of conduit to form the bridge along case flow direction. The latter part of the transport conduit connects the outlet of the diverter valve to the burner as present in the reactor vessel so as to provide the particulate solid material to the pressurized gasification reactor.    DESCRIPTION OF DRAWING(S) - The drawing shows a side cross-sectional view of a bulk materials pump with a rotatable scraper.    Bulk materials pump (1)    Inlet (4)    Outlet (5)    Transport conduit (17)    Supply conduit (18)