RH&DR Green Goddess blowing the super-heater flues in the morning

RH&DR Green Goddess blowing the super-heater flues in the morning.

A steam lance is connected to a small extension pipe on the over-flow of the right-hand (large/1/2") injector. With 180 psi boiler pressure (for maximum benefit) the injector steam valve is opened fully, allowing live steam to flow out of the end of the lance, and the blower valve is turned on fully. The lance is then, in turn, inserted into the four large flues that house the super-heater elements from the firebox end (these are large tubes that run from the firebox through to the front tube plate of the boiler). The steam blows any soot and ash build-up in the flues and on the elements to clear and clean them. The blower "sucks" out the debris through the smokebox and chimney into the atmosphere. This can look quite spectacular with a large and high-rising jet of thick, black, dirty smoke blowing into the sky. The super-heater elements will then allow the steam in them to heat to a higher tempreature (as there is less soot acting as a barrier and any heat energy can transfer to the steam more efficiently) and the locomotive should both steam and perform better as a result.

This is usually done about once a week, at the driver's discretion.

Category:

Travel & Events

Tags:

• RH&DR
• RHDR
• Romney
• Hythe
• Dymchurch
• Railway
• Green
• Goddess
• Locomotive
• Station
• Steam
• Flues

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[Engineer5344]

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