| 摘要 |
PROBLEM TO BE SOLVED: To provide a fuel supply system capable of minimizing necessary electric power and the like, and saving energy by switching an operating condition of a fuel oil pump even when a target value of loads such as a power generation amount is changed.SOLUTION: In a fuel supply system including a supply pipe 54 having a flow rate regulation valve 57 and provided with fuel oil pumps 52a, 52b on pump pipes 54a, 54b disposed in parallel at an upstream side of the flow rate regulation valve, and a return pipe 56 having a pressure regulation valve 58, connected between a meeting point 55c of the pump pipes 54a, 54b, and the flow rate regulation valve 57 at one end, and connected to a fuel tank 51 at the other end, and supplying the fuel stored in the fuel tank 51 to a boiler 53 through the supply pipe 54, pump return pipes 2a, 2b respectively connecting an upstream side and a downstream side of the fuel oil pumps 52a, 52b are disposed in parallel with the pump pipes 54a, 54b, and the pump return pipes 2a, 2b are respectively provided with pressure stabilization valves 3a, 3b. |
