Power Plant Engineering

170 POWER PLANT ENGINEERING

D. P. Suction

Pipe

Ash Sluice Ash Sump

Way

S. B. N.

H. P. Pump

H. P. Water Piping

Bra

Hopper

Overhead Crane

D. D. Pipe

D. S. P ump

Dust From

Precipitator

Overflow

D. A.

G. B.

A.F.N.

Screen

D.S.

Fig. 4.36. Ash Sump System.
(v) Mechanical ash handling system. Fig. 4.38 shows a mechanical ash handling system. In
this system ash cooled by water seal falls on the belt conveyor and is carried out continuously to the
bunker. The ash is then removed to the dumping site from the ash bunker with the help of trucks.

Filter Exhauster

Ash

Separators

Ash Hopper

Boilers

Chrusher

Boiler

Furnaces

Belt Conveyor

Water Trough

Ash

Bunker

Tr u c k

Fig. 4.37. Pneumatic System. Fig. 4.38. Mechanical Ash Handling.