JGASUK-IOMM-2015-2
Fulton Ltd
Page 32
MAINTENANCE - 4
4.9
LONG TERM SHUT DOWN
To store the boiler in a corrosion-free situation there are three practical solutions:
1.
Fully flood the boiler to exclude as much air as possible.
2. Drain the boiler completely.
Remove all hand hole and manhole doors.
Open all gas/oil side access doors.
3. As (2) but also introduce a form of convection heating to the gas/oil and water side.
A very effective solution is to install a string of outdoor type waterproof light bulbs distributed
throughout the boiler.
4.10
INTERNAL INSPECTION
The lower hand hole doors should be removed after one month of operation and the interior of the
boiler thoroughly examined. If scale or sludge build-up is observed, it should be removed and the
water treatment supplier advised.
New gaskets must be fitted every time a hand hole door is removed. Subsequent interior
examinations should be carried out on a regular basis until satisfactory conditions are observed.
Thereafter, inspections should be carried out at three monthly intervals.
Hand Hole Cover Plate
Gasket
Crab
Figure. 27 - Hand Hole
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