A development project on grate combustion
How do you regulate grate combustion? This was the purpose of a joint project.
How to ensure best combustion process
FROM PROCESS TO BUILDING BLOCKS
ABOUT THIS ARTICLE:
At small and medium-sized combined heat and power plants, where household waste or biomass is typically burned, combustion occurs on a grate where the fuel is dried, degassed, and burned out over several minutes. Depending on the moisture content, calorific value, and uniformity of the fuel, the combustion process varies. Manufacturers of combustion grates naturally incorporate various margins into the design of a grate so that minor variations in the fuel do not reduce the plant's performance.
Many of our customers have noticed and exploited this margin to increase the capacity of their plants and thereby their revenue. This places stringent demands on boiler control, which often requires an upgrade when plant capacity is to be expanded. This is also one of the services that Added Values offers.
This whitepaper on grate combustion consists of two parts: The first part deals with the challenges of grate combustion, and the second part discusses the results of a development project we conducted in 2017 with our Swedish partner Modelon AB.
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