In view of troublesome problems influencing upon the safety of 125MW units with hot air for sending pulverized coal and allocation of the primary air,such as fire-carrying in the primary jet orifice,and slagging on the water-wall in zone of burners etc,occurred after enhancement of volatile and heat value in the coal.
125MW机组采用热风送粉、一次风集中布置的锅炉,当所燃用煤种的挥发分和热值提高后,普遍存在一次风喷口带火、烧坏、喷口附近结渣等影响锅炉安全性的问题。
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