Steam boilers - Granpal

base of boiler with moving was iron grate cooled by water and air;

hydraulic actuator of grate;

ash scrapper;

hydraulic actuator of ash scrapper;

hydraulic station;

ceramic lining of the combustion chamber;

steam generator, part of boiler with heat exchanger (horizontal smoke tubes with turbulators);

primary air blow fan (smooth automatic speed control);

secondary air fan (smooth automatic speed control);

exhausted gases fan (smooth automatic speed control);

conveyor feeding fuel to combustion chamber with back fire protection (stoker or pusher);

motor-gear of conveyor feeding fuel to combustion chamber;

rotary star feeder;

motor-gear of rotary star feeder;

ash removing conveyor;

motor-gear of ash removing conveyor;

ash container;

boiler automation:

• control cabinet;

• inverter of primary air fan;

• inverter of secondary air fan;

• inverter of exhaust gases fan;

• controller with colorful touch panel (Siemens);

• software of the boiler controller with visualization of the system;

• probe of water level SPT-1 (2 pcs.);

• safety thermostat;

• safety pressure controller (2 pcs.);

• pressure controller;

• under pressure controller;

• over pressure controller;

• water level probe;

• mimum water pressure controller of back fire protection;

• vacum controller;

• oxygen analyser with lambda probe;

• temperature sensor inside combustion chamber;

• optical fuel level sensor;

• temperature sensor (4 pcs.);

• signal column;

• induction sensors (4 pcs.);

• switch;

• remote control of the boiler.