| 标题 |
 Auxiliary heater for steam-generating boiler |
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| 其它 |
Auxiliary heater for steam-generating boiler 来自 FreePatentsOnline 喜欢 0 阅读量：4 作者：HJD Ing 摘要：The auxiliary heater (5) for a steam generating boiler (1) to set vertically in the centre of the main heating coil (2) and as a primary function provides for the boiler's thermal losses to minimise the use and associated intermittent switching of the main coil(s). The auxiliary heater has an enclosing sheath carrying two or more temperative sensors (8) attached at different points along its length and protected by an outer cylinder. The water level in the boiler determines the temperature distribution along the heater registered by the sensors. This feature is used to regulate the water intake between preset upper and lower limits by comparison with predetermined temperature distribution norms.展开 DOI：DE19602424 |
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