对原锅炉炉拱改造，使炉内布风合理，提高锅炉效率，降低燃煤煤种的选择性，得到良好的经济效益。
Revamp on boiler arch can distribute wind well to improve efficiency, decrease the selection of coal kind and get good economical result.
对原锅炉炉拱改造，使炉内布风合理，提高锅炉效率，降低燃煤煤种的选择性，得到良好的经济效益。
Revamp on boiler arch can distribute wind well to improve efficiency, decrease the selection of coal kind and get good economical result.
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