| 摘要 |
A direct ignition type pulsated combustion apparatus including a burner provided in a combustion furnace, a combustion air line connected to the burner for feeding combustion air to the burner, a fuel gas line connected to the burner for feeding a fuel gas to the burner, an air valve and a fuel valve provided in the combustion air line and the fuel gas line, respectively. A plurality of actuators provided for the air valve and the fuel valve are adapted to open and close the air valve and the fuel valve, respectively. An air bypass line is provided in the combustion air line to bypass the air valve. A fuel bypass line provided in the fuel gas line for bypassing the fuel gas valve. A control unit actuates the opening/closing cycles and timings of the air and the fuel gas valves connected to the actuators, respectively, allowing the cycle time of opening and closing the air valve to be controlled independently of the cycle time of opening and closing the fuel gas valve.
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