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发明授权
CN102007293B 具有备用热供应系统的太阳能蒸汽发生器 失效 - 权利终止

具有备用热供应系统的太阳能蒸汽发生器
摘要：
提供了一种用于太阳能接收器蒸汽发生器的备用热供应系统，以便在夜间时段期间、当太阳辐射不可用时保持该系统处于相对恒定的温度。具有备用的热供应系统的一种示例性太阳能蒸汽发生器包括蒸汽回路，该蒸汽回路具有至少一个太阳能板、蒸汽鼓和循环泵，由此太阳能加热水来产生蒸汽，该蒸汽被提供至蒸汽鼓。该备用热供应系统包括外部备用加热器，其中来自蒸汽鼓的水被提供至外部备用加热器。在夜间时段期间促动隔热阀，以允许水循环通过备用加热器。太阳能蒸汽发生器的另一个示例性实施例包括内部备用热供应系统，其具有浸入蒸汽鼓中以便在夜间时段期间直接加热水的加热器元件。
摘要（英）：

A standby heat supply system is provided for a solar receiver steam generator to maintain the system at a relatively constant temperature during the nocturnal period when solar radiation is unavailable. An exemplary solar steam generator having a standby heat supply system includes a steam loop having at least one solar panel, a steam drum and circulating pump, whereby solar energy heats the water to generate steam which is provided to the steam drum. The standby heat supply system includes an external standby heater wherein the water from the steam drum is provided to the external standby heater. A heat isolation valve is actuated during the nocturnal period to allow the water to circulate through the standby heater. Another exemplary embodiment of a solar steam generator includes an internal standby heat supply system having heater elements immersed in the steam drum for direct heating of the water during nocturnal periods.

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