However, domestic chimneys first appeared in large dwellings in northern Europe in the 12th century. Industrial chimney use dates to the Romans, who drew smoke from their bakeries with tubes embedded in the walls. Seagull sits on top of a hot gas cooling chimney at The World of Glass, St. The dispersion of pollutants over a greater area can reduce their concentrations and facilitate compliance with regulatory limits. Additionally, the dispersion of pollutants at higher altitudes can reduce their impact on the immediate surroundings. The height of a chimney influences its ability to transfer flue gases to the external environment via stack effect. ![]() The term smokestack (colloquially, stack) is also used when referring to locomotive chimneys or ship chimneys, and the term funnel can also be used. ![]() In the United States, the term smokestack industry refers to the environmental impacts of burning fossil fuels by industrial society, including the electric industry during its earliest history. ![]() Chimneys are adjacent to large industrial refineries, fossil fuel combustion facilities or part of buildings, steam locomotives and ships. The space inside a chimney is called the flue. ![]() Chimneys are typically vertical, or as near as possible to vertical, to ensure that the gases flow smoothly, drawing air into the combustion in what is known as the stack, or chimney effect. A chimney remaining after the destruction of a 19th-century two-story house ( Mount Solon, Virginia)Ī chimney is an architectural ventilation structure made of masonry, clay or metal that isolates hot toxic exhaust gases or smoke produced by a boiler, stove, furnace, incinerator, or fireplace from human living areas.
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