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采用回流区分级着火燃烧技术改造燃烧器，低负荷不投油稳焰负荷可达50 ％，锅炉效率由原8664 ％提高到8835 ％。
The use of reflow zone ignition combustion technology to transform the burner, low load non-oil stable flame load up to 50%, boiler efficiency from the original 8664% to 8835%.