chain grate

Some were manacled to the walls; the chains grated and clanked in the half light as they moved.

We heard the chain grate then, on the hull, below the starboard shearing blade.

The "B" Station had 24 chain grate boilers.

They both came to the door, and a chain grated, and a woman with her apron thrown over her face and head stood in the aperture.

These were in two boiler houses, one being all chain grate boilers and the other being all pulverised fuel boilers.

As well as burning coal the "B" Station burnt coke blended with coal in its chain grate boilers.

Dressed in black covering, the eldest has one hand clenched, supporting her heavy weight as she kneels and bends; her other had pressed against the chain grate.

Chain Grate: Dry biomass is fed onto a hot (500C) heavy cast metal grate or apron which forms a continuous loop.

The two water tube boilers ran at a steam pressure of 215 psi with a capacity of 55,000 lbs of steam per hour each & were each fed by 2 Babock & Wilcox chain grate stokers.