Conveyors Transporting Coal - 3 Moving Fires
Moving fires on belts, which can be traveling at up to 6m/s (20ft/s), can not transfer sufficient heat energy during the rapid transit to make conventional radiated or convected heat detectors effective.
The solution is to monitor for infra-red “black body” emissions, as opposed to imparted thermal changes. The wave length spectrum and intensity of this IR depends on the coal’s temperature as shown on the graph below.
Patol's 5000 series detectors respond to both pre-ignition abnormalities and fully ignited coal.
PDF DOCUMENTS
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The overall scheme combines both Linear Heat Detection Cable and Series 5000 IR Fire and Heat detectors. The link below opens a PDF document of explaination.
Series 7000
PDF
DOCUMENTS
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