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METHOD OF DRY PRESERVATION OF HEATING SURFACES OF TUBES OF HOT-WATER BOILERS AT SEASONAL IDLE TIME
METHOD OF DRY PRESERVATION OF HEATING SURFACES OF TUBES OF HOT-WATER BOILERS AT SEASONAL IDLE TIME
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机译:季节性闲置时将热水锅炉管的加热表面干燥保存的方法
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摘要
FIELD: hot-water boilers of thermoelectric plants. SUBSTANCE: method consists in drainage of heating surfaces and heating inner surfaces of all tubes with hot circulating water. Temperature of outer and inner surfaces of tubes is maintained above dew point of air surrounding the boiler; this is achieved through delivery of hot circulating water to several convective banks whose risers are shut off from inlet dispensing and accumulating headers of convective section of boiler. EFFECT: enhanced reliability of preservation. 1 dwg
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