| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a boiler system capable of appropriately controlling the combustion state of a boiler group, in which a stage value control system boiler and a proportional control system boiler are mixed, without changing the existing boiler number control device.SOLUTION: A boiler system 1 comprises: a boiler group 2 including at least one proportional control boiler capable of burning by continuously changing the burning rate; and a boiler number control device 3 that controls the combustion state of the boilers included in the boiler group 2 at gradually plural burning positions, in which a local control part 22 of the proportional control boiler includes a first setting part 23 in which the prescribed burning rate is set as a first burning position among changeable burning rates while the maximum rate of combustion capable of burning by the proportional control boiler being set as a second burning position; and the boiler number control device 3 that controls the combustion state of the boilers included in the boiler group for burning at the first burning position and at gradually plural burning positions including the second burning position.</p> |
