烟道闸板 meaning in Chinese

flue shutter
smoke flue damper

The consumption of electrical energy of electrically calcined furnace during calcining anthracite is studied by adjusting the length of the top electrode , the flue damper and changing the release direction of removed dust produced from charging system of electrically calcined furnace
摘要根据电?炉?烧无烟煤的工艺原理，通过调整上部电极长度、烟道闸板及改变电?无烟煤前上料系统通风除尘灰的排放方向等工艺控制方法，对电?无烟煤电耗进行研究。