SERGIO DI VINCENZO,
BOLDROCCHI, ITALY,
EXPLAINS HOW
SWITCHOVER TIME CALCULATIONS
ARE ESSENTIAL WHEN DETERMINING
A RELIABLE REFORMER FAN DESIGN.
S
team reformers in fertilizer plants and hydrogen
production units are equipped with a forced draft fan
for supplying combustion air to burners, and an induced
draft fan to extract exhaust fluegases from the reformer
chamber, which is kept under slight negative pressure.
Boldrocchi has experience in this field following the acquisition
of De Cardenas in the 1990s, which now forms an integral part
of the Boldrocchi fans division.
The forced and induced draft fans of the reformers in
fertilizer plants are usually equipped with two drivers in order
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