This regulation mainly applies to the design of tube furnaces in chemical and petrochemical plants and cylindrical furnaces and box furnaces that are directly heated, roasted, incinerated and gasified by flames in the chemical production process. It also applies to burners, tube racks and tubes. The design and selection of panels, chimneys, flues, adjusting baffles and ventilation equipment, the setting and selection of accessories and components, testing and safety interface settings, etc. This provision does not apply to the design of injectors and mixers used for non-fuel combustion such as heavy oil gasification nozzles. This provision does not apply to the design of pipe racks used for engineering pipelines. This provision does not apply to the design of truss-type tall chimneys and chimneys with drawstrings.
HG/T 20541-2006 history
2006HG/T 20541-2006 Design specification of structure of chemical industrial furnace
1993HG/T 20541-1992 Design Specification of Structure of Chemical Industrial Furnace