forehearth

American  

[fawr-hahrth, fohr-] / ˈfɔrˌhɑrθ, ˈfoʊr- /

noun

1. (in a blast furnace or cupola) a reservoir for iron or slag, accessible through a door at hearth level.

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Etymology

Origin of forehearth

First recorded in 1880–85; fore- + hearth

Example Sentences

Outside each furnace hearth there is a small pit full of powder which is compressed by ramming, and in this manner is made the forehearth which receives the metal flowing from the furnaces.

From Project Gutenberg

After the furnace has been warmed, the master throws in slags, and these, when melted, flow out through the tap-hole into the forehearth.

From Project Gutenberg

The tap-hole of the furnace is always open; in front of it is a forehearth a little more than half a foot deep, three-quarters of two feet long and one foot wide; this is lined with lute, and the tin from the tap-hole flows into it.

From Project Gutenberg

In order that the tin-stone thrown into the furnace should not roll off from the large charcoal into the forehearth before the tin is melted out of it, the smelter uses small charcoal; first some of this moistened with water is placed in the furnace, and then he frequently repeats this succession of charcoal and tin-stone.

From Project Gutenberg

Each of the furnaces is set in an arch of its own in the back wall, and in front has a forehearth pit; this is filled with a powder compound rammed down and compressed in order to make a crucible.

From Project Gutenberg