Energy content of gas fuel is a major process parameter for stable process operation of industrial furnaces. Changes of source area or the evident expanding of admixing with other types of fuel (e.g. H2, biogas, liquid gases as LPG or LNG) result in substantial variations of calorific value. As such changes of gas composition often come discontinuously, but without any information for the customer, impact of “hidden” gas quality changes will not be recognized as the origin of typical problems with an instable process. Therefore STG has available a conception in order to counter such variations - by a continuous measurement of calorific value and a sophisticated control strategy for compensation
Target: Ensure a constant application of energy for a stable process
At a variation of gas composition STG Software function blocks „Energy Control“ and “Lambda Control” automatically compensate the appropriate gas / air demand.
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