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Sed′i-ment-col-lect′or.


Steam.) A device to prevent the deposition of sediment on the bottom of boilers. An inverted hollow cone, whose mouth is a little above the water surface of the boiler. It communicates with the rest of the boiler by triangular openings near its upper edge. Scum and temporarily floating crystals of salt and solid matter passing into the comparatively still water of the cone, settle to the bottom, or apex of the cone, and are thence blown off.

Scott's (English) patent, 1827, consists of a vessel or series of vessels placed longitudinally of the boiler, and acting as a false bottom to receive the deposit. The water within these remains tranquil, while that outside may be in a state of violent ebullition.

Sediment-collector.

The upper collector a is a cast-iron trough suspended be- [2088] tween the flues, and partially or entirely covered with one or two cast-iron lids. This catches and retains the finer deposits which float near the surface.

The lower collector b is merely a shallow tray on four legs, slightly elevated above the bottom of the boiler, which receives the heavier particles deposited. See also incrustation in boilers, preventing.

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Leon Scott (1)
Early English (1)
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