| 摘要 |
PROBLEM TO BE SOLVED: To provide a heat supply system capable of increasing operation efficiency of a heat source machine, expanding degree of freedom in operation of a group of heat source machines at partial load time, and reducing conveyance power of a heat medium pump to save energy and reduce running cost. SOLUTION: This heat supply system is constituted by connecting the group of pumps connecting a plurality of heat medium pumps in parallel with the group of heat source machines connected in parallel by pipes in series. The heat source machine usable in a scope of flow rate above rated flow rate and below the rated flow rate when operated below the rated output is used, and a flow rate adjusting valve for distributing load is arranged in a heat medium pipe of each heat source machine to set total flow rate of heat medium of the group of pumps to above total rated flow rate. The heat source machine and the heat medium pump operated in accordance with required quantity of heat and required flow rate on a heat load side are selected, a bypass pipe is provided from an outlet side pipe passage to a heat load side return pipe passage of the group of pumps, and each flow rate adjusting valve is adjusted to make load rate of each heat source machine equal and distribute heat medium. COPYRIGHT: (C)2006,JPO&NCIPI |
