| 摘要 |
PROBLEM TO BE SOLVED: To provide a hot blast stove which makes it possible to measure the reduction of the amount of combustion gas and make compact a furnace itself even in the application of this hot blast stove to a rotary drying furnace or a heater in the same scale. SOLUTION: A high speed changeable heat accumulation type combustor 20 is provided on a furnace body 10 where the combustor 20 comprises a first system combustor 23 having a heat accumulator 21 and a burner 22, a second system combustor 26 having a heat accumulator 22 and a burner 25, a four way valve 28, an air introduction pipe provided on the four way valve 28, an exhaust pipe 31 and connecting pipes 29 and 30 which connect the first and second system combustors respectively. |
