Patent ID: 7306456
Filing Date: 2007-12-11
Classification: F23D,F23N

Abstract:
1. An autocontrol burner includes a main body, a fuel supplying means, an air blowing means, a fuel oil atomizing means and a igniter, wherein it further includes a controller, a motor speed controller and a signal acquisition assembly, in which the fuel supplying means and the air blowing means are connected with the controller via the motor speed controller, the signal output port of the signal acquisition assembly is connected with the signal input port of the controller, flow rate of fuel oil output by the fuel supplying means and flow rate of air blown by the air blowing means are adjusted automatically, simultaneously and proportionally by said controller based on preset air/oil ratio, wherein said controller includes a program control unit, said program control unit includes an air/oil ratio modifying and determining unit for re-setting the air/oil ratio randomly, and calculating required flow rate of air based on outputting flow rate of the fuel oil and new air/oil ratio, and regulating the rotation speed of said blower fan to adjust flow rate of air, wherein said fuel supplying means is a gear or screw type oil pump, and the air blowing means is a blower fan, and the fuel oil atomizing means is an internal-mixing type pneumatic atomizing spray gun, and the igniter is a gas ignition gun, and the signal acquisition assembly includes a flame monitor, an oil pressure transmitter and an atomized gas pressure switch, and the signal acquisition end of the flame monitor is located nearby the position of flame jet, and the oil pressure transmitter is located at the inlet of the oil way of the spray gun, the atomized gas pressure switch is located at the inlet of the atomized gas, and said motor speed controller is an AC converter or DC motor governor, or AC motor electromagnetic governor.