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Subject: straight grate furnace Пожалуйста, помогите перевести.Выражение встречается в следующем контексте: Металлургия Заранее спасибо |
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http://www.multitran.ru/c/m.exe?shortf=1&a=phr&q=grate+furnace&L1=1&L2=2 колосниковая печь с прямой решеткой? http://www.epa.gov/ttn/chief/ap42/ch11/final/c11s23.pdf The straight grate furnace consists of a continuously moving grate, onto which a bed of green pellets is deposited. The grate passes through a firing zone of alternating up and down currents of heated gas. The fired pellets are cooled either on an extension of the grate or in a separate cooler. An important feature of the straight grate is the "hearth layer", which consists of a 10- to 15-centimeter (4-to 6-inch) thick layer of fired pellets that protects the grate. The hearth layer is formed by diverting a portion of the fired pellets exiting the firing zone of the furnace to a hearth layer screen, which removes the fines. These pellets then are conveyed back to the feed end of the straight grate and deposited on to the bare grate. The green pellets being fed to the furnace are deposited on the hearth layer prior to the burning zone of the furnace. |
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