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grate coal

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  • Grate firing — was the first combustion system used for solid fuels. It now is used mainly for burning waste and biomass, but also for smaller coal furnaces.* Capacities 0.3 to 175 MWth in industry and CHP * Fuel fired per grate area 1 2 MW/m2, maximum grate… …   Wikipedia

  • coal — W2S3 [kəul US koul] n [: Old English; Origin: col] 1.) [U] a hard black mineral which is dug out of the ground and burnt to produce heat ▪ Put some coal on the fire. ▪ the coal mining industry ▪ a lump of coal 2.) [C usually plural] a piece of… …   Dictionary of contemporary English

  • coal utilization — Introduction        combustion of coal or its conversion into useful solid, gaseous, and liquid products. By far the most important use of coal is in combustion, mainly to provide heat to the boilers of electric power plants. Metallurgical coke… …   Universalium

  • grate — I UK [ɡreɪt] / US verb Word forms grate : present tense I/you/we/they grate he/she/it grates present participle grating past tense grated past participle grated 1) [transitive] to rub cheese, vegetables, chocolate etc against a grater in order to …   English dictionary

  • grate — grate1 [ greıt ] verb 1. ) transitive to rub cheese, vegetables, or chocolate against a GRATER in order to cut them into small pieces: grated cheese 2. ) intransitive grate against/on to rub against something and make an unpleasant annoying sound …   Usage of the words and phrases in modern English

  • Coal grade —   This classification refers to coal quality and use.   • Briquettes are made from compressed coal dust, with or without a binding agent such as asphalt.   • Cleaned coal or prepared coal has been processed to reduce the amount of impurities… …   Energy terms

  • grate — [[t]gre͟ɪt[/t]] grates, grating, grated 1) N COUNT A grate is a framework of metal bars in a fireplace, which holds the coal or wood. A wood fire burned in the grate. 2) VERB If you grate food such as cheese or carrots, you rub it over a metal… …   English dictionary

  • Coal mouse — A coal mouse is a small cardboard box containing a small amount of magnesium and other chemicals with a fuse extending out. They are used to start fires in coal stoves and furnaces by laying it on the stoves grate, covering it with coal and… …   Wikipedia

  • grate — grate1 [greıt] n [Date: 1300 1400; : Medieval Latin; Origin: crata, grata something made of woven sticks , from Latin cratis; CRATE1] the metal bars and frame that hold the wood, coal etc in a ↑fireplace grate 2 grate2 v [Date: 1300 1400; : Old… …   Dictionary of contemporary English

  • grate — [greɪt] verb I 1) [T] to rub food against a GRATER in order to cut it into small pieces 2) [I] to rub against something and make an unpleasant annoying sound Her nails grated against the wall.[/ex] 3) [I] to have an annoying effect on someone His …   Dictionary for writing and speaking English

  • grate — Synonyms and related words: ablate, abrade, abrase, afflict, aggravate, agonize, ail, andiron, annoy, arabesque, atomize, bark, basketry, basketwork, beat, bite, bolter, bray, brecciate, burn, burn up, cancellation, chafe, chain, clash, coal… …   Moby Thesaurus

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