| 摘要 |
PURPOSE: An adjustable swirler for controlling flame shape of a fluid burner is provided to improve the efficiency of combustion fuel and to extend the life of facilities by controlling the flame shape of the burner in real time. CONSTITUTION: An adjustable swirler for controlling flame shape of a fluid burner includes a coaxial pipe structure forming an air register(4) which is a passage for passing second combustion air, swirler blades(12) rotatatively supported in a combustion area(5) of the coaxial pipe structure for changing flame shape by swirling the second combustion air, and a predetermined angle change unit continuously changing the angle of the blade plane from the central axis of the coaxial pipe structure, wherein the predetermined angle change unit is formed with a blade shaft(11) for rotating the swirler blades, a connecting device for transmitting a rotary power to the blade shaft, and an actuator(7) for generating a rotary power of the blade shaft.
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