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北京粉末冶金研究所为北京发电设备厂电站锅炉供水用新型DE750—180调速给水泵研制了BMN材料给水泵动密封环,与石墨渗锑的静密封环配合,在荆门电站经两年多实际运转试验,获得成功。 BMN合金是由WC—Ni组成的新型合金。其性能如下:
Beijing Institute of Powder Metallurgy Beijing has developed a new type of DE750-180 speed control feed pump for power station boiler feed water of Beijing Power Plant. The BMN material feed water pump dynamic seal ring is matched with the static seal ring of graphite antimony antimony. After more than two years of actual operation Run the test to be successful. BMN alloy is a new type of alloy composed of WC-Ni. Its performance is as follows: