Safe and efficient boiler

The utility model discloses a safe and efficient boiler, including shell, furnace, water jacket and air -blower, be equipped with the float in the water jacket, the fixed scale that is provided with on the float, the grate is installed to furnace's bottom, and the grate rotates through the pivot to be connected on furnace's lateral wall, the top of grate is equipped with the competent push rod of the fixed welding in left side of vertical push pedal, push pedal, the right -hand member of grate rotates and is connected with the connecting rod, and the other one end of connecting rod is rotated and is connected with the bracing piece, is fixed with the footboard at the right -hand member of bracing piece. The utility model discloses well buoyancy of water reciprocates by the float, and the staff can observe the scale label on the float, can observe the water level circumstances in the boiler. Rotate through footboard, bracing piece, connecting rod messenger grate, burning coal shake upset, push pedal, push rod,