Patent ID: 7823607

Claim:
A system for transporting a bulk material containing liquid, the system comprising: a tank for containing the bulk during transport, the tank having an output unit at the bottom of the tank for feeding the bulk out of the tank by pushing the bulk towards a closable output orifice in the tank bottom, wherein the tank is arranged below deck on a ship and comprises an upper substantially cylindrical part and a lower frustoconical part that ends in a substantially flat bottom, the bottom being limited on its periphery by a side wall of the frustoconical part and having an inner dome or cone arranged centrally thereon, and a positive displacement pump is arranged at a level lower than that of the tank bottom for receiving and advancing the bulk through an unloading line, the unloading line having an essentially uniform cross section; wherein the positive displacement pump is connected to the output orifice by a liquid tight coupling.