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风水冷联合冷渣器以高效、节能、环保等优点,备受循环流化床锅炉电站的青睐。近几年,投运的大、中型配风水联合冷渣器的循环流化床锅炉多采用锥形排渣阀,配合风力吹扫。但是,煤矸石煤质的波动经常导致锥形排渣阀卡涩,不能正常排渣。以神东电力公司保德神东发电公司为例,对2×480 t/h循环流化床锅炉锥形排渣阀经常卡涩现象进行实地考察研究,提出了改造锥形排渣阀吹扫风的方法,彻底解决了锥形排渣阀卡涩问题。
Feng Shui cold combined slag cooler to efficient, energy saving, environmental protection, etc., much subject to circulating fluidized bed boiler power plant of all ages. In recent years, the commissioning of large and medium-sized with Feng Shui combined with slag cooler circulating fluidized bed boiler to use more conical slag valve, with wind power. However, coal gangue coal quality fluctuations often lead to conical slag valve stuck astringent, can not be normal slag. Taking the Shendong Power Company Baode Shendong Power Generation Company as an example, this paper made a field investigation on the frequent jamming of conical slag valve in 2 × 480 t / h circulating fluidized bed boiler, Wind method, completely solve the conical slag valve stuck problem.