furnace top bell

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• bell — bell1 bell less, adj. /bel/, n. 1. a hollow instrument of cast metal, typically cup shaped with a flaring mouth, suspended from the vertex and rung by the strokes of a clapper, hammer, or the like. 2. the stroke or sound of such an instrument: We …   Universalium

• Bell and hopper — Hopper Hop per, n. [See 1st {Hop}.] 1. One who, or that which, hops. [1913 Webster] 2. A chute, box, or receptacle, usually funnel shaped with an opening at the lower part, for delivering or feeding any material, as to a machine; as, the wooden… …   The Collaborative International Dictionary of English

• bell and hopper — noun : an apparatus at the top of a blast furnace consisting of a large hopper closed by a cone which is pulled up from below by the apex and through which the charge may be introduced without escape of the gases …   Useful english dictionary

• Blast furnace — A blast furnace is a type of metallurgical furnace used for smelting to produce metals, generally iron. In a blast furnace, fuel and ore are continuously supplied through the top of the furnace, while air (sometimes with oxygen enrichment) is… …   Wikipedia

• iron 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… …   Universalium

• Hartford, Tennessee — Hartford is an unincorporated community in Cocke County, Tennessee, located in the southeastern United States. Although it is not a census designated place, the ZIP Code Tabulation Area for the ZIP Code (37753) that serves Hartford had a… …   Wikipedia

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• List of Chinese inventions — A bronze Chinese crossbow mechanism with a buttplate (the wooden components have …   Wikipedia

• metallurgy — 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… …   Universalium

• environmental works — ▪ civil engineering Introduction       infrastructure that provides cities and towns with water supply, waste disposal, and pollution control services. They include extensive networks of reservoirs, pipelines, treatment systems, pumping stations …   Universalium

• Business and Industry Review — ▪ 1999 Introduction Overview        Annual Average Rates of Growth of Manufacturing Output, 1980 97, Table Pattern of Output, 1994 97, Table Index Numbers of Production, Employment, and Productivity in Manufacturing Industries, Table (For Annual… …   Universalium