bloomery hearth
1bloomery process — Process for iron smelting. In ancient times, smelting involved creating a bed of red hot charcoal in a furnace to which iron ore mixed with more charcoal was added. The ore was chemically reduced (see oxidation reduction), but, because primitive… …
2bloomery — /blooh meuh ree/, n., pl. bloomeries. Metalworking. a hearth for smelting iron in blooms of pasty consistency by means of charcoal. [1575 85; BLOOM2 + ERY] * * * …
3iron processing — Introduction use of a smelting process to turn the ore into a form from which products can be fashioned. Included in this article also is a discussion of the mining of iron and of its preparation for smelting. Iron (Fe) is a… …
4metallurgy — metallurgic, metallurgical, adj. metallurgically, adv. metallurgist /met l err jist/ or, esp. Brit., /meuh tal euhr jist/, n. /met l err jee/ or, esp. Brit., /meuh tal euhr jee/, n. 1. the technique or science of working or heating metals so as… …
5Wrought iron — is commercially pure iron. In contrast to steel, it has a very low carbon content. It is a fibrous material due to the slag inclusions (a normal constituent). This is also what gives it a grain resembling wood, which is visible when it is etched… …
6Cornwall Iron Furnace — U.S. National Register of Historic Places U.S. National Historic Landmark …
7List of Chinese inventions — A bronze Chinese crossbow mechanism with a buttplate (the wooden components have …
8steel — steellike, adj. /steel/, n. 1. any of various modified forms of iron, artificially produced, having a carbon content less than that of pig iron and more than that of wrought iron, and having qualities of hardness, elasticity, and strength varying …
9blast furnace — a large vertical furnace for smelting iron from ore, using coke as fuel: designed so as to direct a continuous blast of air through the fuel in order to obtain a high rate of combustion. [1700 10] * * * Vertical shaft furnace that produces liquid …
10Tuyere — A tuyere is a tube, nozzle or pipe through which air is blown into a furnace or hearth. [W. K. V. Gale, The iron and Steel industry: a dictionary of terms (David and Charles, Newton Abbot 1972), 216 7. ] Air (or oxygen) is injected into a hearth… …
