Heat recovery and smoke removal from residential wood and coal flue gases by gravel columns

被引:0
|
作者
Burr, M.D. [1 ]
Bohn, H.L. [1 ]
Duncan, M. [1 ]
机构
[1] Dep. Soils, Water Eng., Univ. Arizona, Tucson, AZ, United States
关键词
Coal; -; Furnaces; Space heating - Heat exchangers - Rock - Wood;
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摘要
A column of gravel is an inexpensive heat exchanger for the flue gases from residential stoves. The system requires a fan for forced draft, and this increases the thermal efficiency of a wood/coal stove to 80-85%, as compared to 50-65% for the stove with a conventional chimney. At the same time, the gravel column removes 75% of the particulates from the flue gas. Cleaning and maintenance of the gravel column are minimal. Gravel columns are adaptable to new and existing housing.
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页码:19 / 29
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