Catalytic waste heat boiler
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The manager asked me to determine whether the heat exchange area of the catalytic waste heat boiler is sufficient. This information isn’t available in the boiler’s specifications; unlike heat exchangers, which have specified heat exchange areas, what parameters are available for waste heat boilers? It’s just the gas production volume, right?
Just calculate it using the same method as for the heat exchanger area: the outer surface area of the tube bundle multiplied by the number of tube bundles gives the heat exchange area! To determine the heat exchange area, you need to know the amount of heat contained in the flue gas from your boiler. This is quite difficult to calculate, as it also involves the conversion of some of the heat energy consumed by the work done by the exhaust fan!
What soot blowing system do you use in your equipment? The steam method we use doesn’t work very well; how often should it be done to achieve good results?
It would be better to switch to a shock wave soot blower; it only needs to be used once a day.
We have used steam, powered air, and shock waves as energy sources, and the best option is shock waves – provided that desulfurized gas is used; otherwise, corrosion can be quite severe!
Shock wave, acetylene. Soot blowing every 3.30 hours on night shifts