Reznor V3 gas-fired warm air heaters have been installed in the Waterbeach depot of Parker Steel to operate round-the-clock and maintain the condition of bright engineering steels stored at the depot. Parker Steel is one of the UK’s largest privately-owned steel stockholding companies, employing 450 people at its centres of operation in the South East of England with four satellite operations. The Waterbeach depot, near Cambridge, was recently turned over to stockholding bright engineering steel for the manufacturing and machining industries. This kind of steel is used extensively in the automotive industry.
Maintaining the key characteristics of bright steel means the atmosphere in which it is stored must be kept at a constant temperature. Bright steel is shiny and well-oiled; because of its uses, it must be kept in mill condition and completely free from damp, frost and corrosion at all times.
No condensation can therefore be allowed to form on the product while it is being stored at the depot – and with 3,000 tonnes in stock at any one time, maintaining a humidity-free environment is vital.
The Reznor V3 heaters were specified and installed by Hadene Mechanical Services of Chatham. Six vertical downflow units were suspended from the roof at 10 metres from floor level. Operating 24-hours a day to maintain a constant 10°C internal air temperature throughout the building, the heaters keep the stock slightly warm to ensure condensation cannot form on the steel, no matter what temperature prevails outside.
The heaters are equipped with four-way deflectors along with a high/low burner to distribute warm air as effectively as possible. In addition, roof mounted destratification fans help redistribute the otherwise wasted warm air gathering in the roof space, further assisting the dehumidification process.
Mike Mountford, general manager of the Waterbeach depot, comments: “There is no requirement for comfort heating at the depot. The heaters are effective in maintaining a constant temperature that ensures our stock leaves the depot in the same top quality condition that it arrived.”
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