解读锅炉运行中常见误区
    2014-8-29 13:36:47  文章来源:http://www.jnlzsb.com
    蒸汽压力越高
    The higher the steam pressure
    选定的数值锅炉主蒸汽压力控制,根据用户的需求。蒸汽压力低,压力组件的安全,能耗低,但是蒸汽质量差,低热量,湿度大,甚至很难满足消毒,杀菌,文化的需要,供热和发电。
    The selected numerical boiler main steam pressure control, according to the needs of users. Low vapour pressure, pressure components of safety, low energy consumption, but the poor quality of steam, low quantity of heat, humidity is big, it is difficult to meet even disinfection, sterilization, cultural needs, heating and power generation.
    炉膛负压越大越好
    Hearth negative pressure is bigger is better
    燃煤炉操作压力应保持在10 ~ 20Pa。负压力将导致:①炉膛漏风增加,增大排气热损失;增加风扇消耗功率;对受热面磨损粉煤灰增强沿炉膛下部燃烧热效率。
    Coal-fired furnace operating pressure should be kept in 10 ~ 20 pa. Negative pressure will result in: (1) the chamber air leakage increase, increasing the exhaust heat loss; Increase fan consumed power; The heating surface abrasion enhancement along the lower part of furnace combustion thermal efficiency of fly ash.
    锅炉水位较高的安全
    The safety of the boiler water level is higher
    有些人认为,水位高,锅炉不易干燥,安全有保障。然而,这是一种错误的理解。水位过高,蒸汽湿度的增加,蒸汽质量不好,就会危及到蒸汽的设备和生产。

    Some people think that water level is high, the boiler is not easy to dry, safeguard. However, this is a wrong understanding. The increase of water level is too high, the steam humidity, steam quality is bad, will endanger the equipment and the production of steam.

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