Does the coal-fired hot blast stove need to have its fuel changed?
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Recently, Jinan City in Shandong Province required coal-fired boilers with a capacity of 35 tons or less to be upgraded to use clean fuels or to meet ultra-low emission standards; however, it seems that hot air furnaces are not included in this requirement. I would like to ask everyone: is it necessary to replace coal-fired hot air furnaces? Please give me some advice!
It seems it needs to be renovated; see how your relationship is with the environmental protection agency