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What happens to all the mud and clay build up? Surely this would make it impossible to run for very long without a washout?

April 26, 2017build clay happens impossible MUD run SURELY washout

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What happens to all the mud and clay build up? Surely this would make it impossible to run for very long without a washout?

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Any solids which would have formed muds or clays will either going into solution (due to the alkalinity) or will going into suspension in the boiler water. However those particles in suspension, again due to the alkalinity, form a totally mobile sludge which moves with the slightest water current, even when cold. It is not in any way adherent. Under high steam demand, and thus rapid boiler water circulation, this sludge fully mixes with the boiler water and appears as a brown colour in the gauge glasses.