Most plastics processing sites use gas simply for space heating but some processes use gas as part of the process, e.g., rotational molding.
Where gas is used for hot water only then this is generally relatively constant over the year. For space heating, the gas use load will be related to the weather conditions (how cold it is) and the weather is then a ‘condition’ driver for gas use.
Where gas use is part of the process then use will be driven by both the activity (production) and the condition (weather). The two drivers will need to be separated either by sub-metering or by statistical analysis – but sub-metering is preferable.
Dr. Robin Kent is the author of ‘Energy Management in Plastics Processing’, published by Elsevier and Managing Director of Tangram Technology Ltd. (www.tangram.co.uk ), consulting engineers for energy and sustainability management in plastics processing.
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You can also learn more about energy management at Robin’s webinar, Energy Management in Plastics Processing, on Thursday, April 18, 2024.
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