This technical condition specifies the installation requirements for the steel structure, furnace tubes, furnace tube supports and furnace lining supports, burners, soot blowers, doors and flue baffles of industrial furnaces in chemical plants.
HG/T 20544-2006 history
2006HG/T 20544-2006 Technical specification on erection of structure parts for chemical industrial furnace
1993HG/T 20544-1992 Technical Specification on Erection of Structure Parts for Chemical Furnace