Fiddler’s Ferry Power Station – Boiler House and Mills

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The boiler house at Fiddler’s Ferry Power Station contained the steam generating boilers and pulverised fuel mills. The four reheat boiler units were manufactured by International Combustion, were single divided furnace water tube boilers. The boilers had an evaporation capacity of 435 kg/s at 162 bar. The superheated steam temperature was 569°C.

When the station was on full load each boiler would burn 200 tons of coal per hour, giving a total for the whole station of 19,200 tons per day. The walls of the furnace were composed of 2.5 inch bore steel tubes filled with water which was turned into steam by the heat from the furnace.

The coal passed through pulverising mills where it was ground to a fine powder before being blown into the furnaces by a heated air stream. The pulverised fuel mills and coal feeders were also manufactured by International Combustion. There were 24 PF mills, 6 per unit. The FD Fans and ID Fans were supplied by Davidson, and there were 8 of each (2 per boiler).