Table

Stoker Fuel Requirements

Stoker

Coal Types

Coal Sizes

Underfeed Bituminous coals or anthracite

Overfeed

All coal ranks

Spreader All coal ranks

Nut (2 x 3/4 in.) or prepared stoker (large—2 x 1/4 in.); smaller sizes acceptable if <50% — 1/4 in.

Nut (2 x 3/4 in.) or prepared stoker (large or intermediate—2 x 1/4 or 1 x 1/8 in., respectively); <20% — 1/4 in.

Prepared stoker (small—3/4 x 1/16 in.); <30% — 1/4 in.

Source: Adapted from Berkowitz [19].

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