宏晟电热公司HG-220/9.8-MQ13型锅炉存在一次风喷口磨损和飞灰可燃物含量偏高等问题，分析了原因，提出了煤粉燃烧器的改造措施。实施后解决了一次风喷口磨损问题，降低了飞灰可燃物含量，提高了锅炉效率，锅炉在额定负荷下掺烧30%的高挥发分煤种，锅炉不结渣，全年可以节约资金193.24万元。%The HG-220/9.8-MQ13 boiler of Hongsheng Company had the problem of wear of the primary air nozzle and high content of flammables in fly-ash. Causes of the problem were analyzed and modification measures for the pulverized coal burner were put forward. After implementation of the modification measures the nozzle wear problem was solved, flammables content in fly-ash was lowered and boiler efficiency was improved. As a result, the boiler had no slag bonding with 30% of high volatile coal blending combustion under rated load, saving CNY 1.9324 million annually.
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