余热发电热力系统有哪些泵

2025-04-08 07:55:49
推荐回答(2个)
回答1:

  1. 主要有:凝结水泵:将凝汽器内的冷凝水重新泵送至系统内循环再利用; 真空泵:将凝汽器内的不凝结气体抽出以使其内部保持较高的真空度。
  2. 整个热力系统工艺流程是一个完整的水汽循环利用过程。在生产线窑尾、窑头各设置一台余热锅炉,用于与废气的热量交换,热交换后锅炉产生的过热蒸汽导入汽轮机做功,汽轮机带动发电机向外输出电能。做过功后的蒸汽经凝汽器冷凝成凝结水,经凝结水泵与闪蒸器出水汇合,通过锅炉给水泵增压进入AQC锅炉省煤器进行加热,经省煤器加热后的高温水分三路分别送到AQC炉汽包、PH炉汽包和闪蒸器内。进入两台锅炉汽包内的高温水在锅炉内循环受热,最终产生过热蒸汽,两路过热蒸汽汇集后进入汽轮机。进入闪蒸器的高温水根据闪蒸汽化原理(高温高压水进入低压空间后会部分瞬间汽化)产生一定压力的饱和蒸汽进入汽轮机后级辅助做功作用。做过功后的蒸汽经过凝汽器冷凝后形成凝结水重新参与系统循环。循环过程中消耗掉的水由纯水装置制取出的纯水补充到系统中.烧结余热发电是通过利用烧结机尾落矿风箱及烧结环冷机密闭段的烟气加热余热锅炉来回收低品位余热能源,结合低温余热发电技术,利用余热锅炉产生的过热蒸汽推动汽轮发电机组发电。烧结余热发电,不仅为钢铁企业实现节能降耗,而且为钢铁企业创造丰厚的经济利润。

回答2:

如下所列:

凝结水泵:将凝汽器内的冷凝水重新泵送至系统内循环再利用;
真空泵:将凝汽器内的不凝结气体抽出以使其内部保持较高的真空度;
锅炉给水泵:向锅炉供水,维持锅炉的正常运转;
锅炉循环泵:对PH锅炉蒸发器内的锅炉水进行强制循环;
补给水泵:向热力系统中补充软化水,维持系统正常运转;
冷却水泵:将冷却水送至设备需冷却的部位,维持冷却水闭路循环。

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