Flow chart fuel, boiler, ash and flue gas.OSBY P500 - boiler facility Sketch

Hydraulicunit

Level- indicator

Level indicator

Secondary air throttle

Negative press. indicator

Over pressure switch

Furnace

Grate Ash auger

Oil temp. high

Stoker auger

Back fire throttle

Primary air throttle

Level indicator low

Dust auger

Ash rotary valve Dust rotary valve

Aut. flue gas tube cleaning

Convection part

Rotation speedindicator

Ash augers

Flue gas temp. indicator(Flue gas temp. switch)

O2-sensorCyclone(Flue gas cleaning)

Dust rotary valve

Ash bin

Flue gas fan

Chimney

Fuel auger

Venting

Level indicator High(Overfill protection)

Level indicator MediumFuel silo

Fuel refillThrottle

Level indicator Low