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STOKER-FIRED BOILER, A METHOD OF MODERNIZATION OF STOKER-FIRED BOILERS AND A METHOD OF ELIMINATION OF UNCONTROLLED LEAKAGES OF AIR NOT TAKING PART IN THE COMBUSTION PROCESS IN A STOKER-FIRED BOILER
STOKER-FIRED BOILER, A METHOD OF MODERNIZATION OF STOKER-FIRED BOILERS AND A METHOD OF ELIMINATION OF UNCONTROLLED LEAKAGES OF AIR NOT TAKING PART IN THE COMBUSTION PROCESS IN A STOKER-FIRED BOILER
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机译:抽烟锅炉,抽烟锅炉的现代化方法和消除不参与抽烟锅炉燃烧过程的空气不受控制的泄漏的方法
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摘要
A boiler according to the invention contains an additional air channel (9) with an inbuilt fan (10) with adjustable output. The first end (91) of the additional air channel (9) is connected with the under-stoker space (11) located outside of the wind boxes (5) of the under-stoker wind boxes system (4). The other end (9′) of the additional air channel (9) is connected with either the space of the channel (6) supplying outside air to the wind boxes (5) or with the atmosphere or with the secondary air channel of the combustion chamber (2). Modernization of the existing boilers consists in installation in the described above method of an additional air channel (9) with an inbuilt fan (10). The method of elimination of uncontrolled leakages in a stoker-fired boiler consist in leading out and air, getting through air gaps, from the under-stoker space of the boiler located outside of the wind boxes (5) to the described above additional air channel (6), wherein current output of the fan (10) built into this channel is proportional to the current difference between temperature of air supplied to the wind boxes (5) and temperature of air in the additional air channel (6).
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