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Venting system for a gas-fired heating plant
Venting system for a gas-fired heating plant
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机译:燃气供热厂的通风系统
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摘要
VENTING SYSTEM FOR A GAS-FIRED HEATING PLANT A venting system for the combustion chamber of a gasfired heating plant has an elongate diverter box arranged vertical ly of the heating plant exteriorly thereof and having an upper portion and a lower portion with the latter having a bottom provided with a substantial opening disposed well above the base of the heating plant for the free admission of atmospheric air surrounding the heating plant into the diverter box and with the upper portion having selected openings for the reception of horizontally disposed pipings from the flue outlet for the combustion chamber and for the chimney flue with a vertical baffle depending from the closed top of the upper portion a substantial vertical extent into the diverter box and dividing it into a flue outlet section and a chimney flue section with said sections having thermostat means to indicate exteriorly of the sections the temperature of the gases therein and with a safety limit switch housed in the flue outlet section below the lower free end of the baffle and being protected by a barrier plate from cold down drafts from the chimney flue.
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