![]() With a continued focus on environmental responsibilities, including industry standards such as ISO14001 and the recently-introduced ISO50001, Autofil is keen to focus on managing and monitoring its energy usage, and the environmental impact of its process operations. Using these yarns, Autofil’s customers weave or knit fabrics which form the basis of interior trim for seats, door panels, pillars, parcel shelves and headliners. The savings are self-evident: to increase the temperature of the same amount of water with a gas-fuelled heating source would have cost Autofil £37,096 annually and would have generated 260,000 tonnes of CO2 Commenting on this substantial reduction in his company’s carbon footprint.Ĭommenting on this substantial reduction in his company’s carbon footprint, Steve Charlton, Autofil’s Engineering and IT Manager, said:Īt its plant in Sherwood Park, Nottingham, the company manufactures coloured air-textured (ATY) and false-twist textured (DTY) polyester yarns with a natural appearance. After a few hours, this circuit reaches its optimum inlet/outlet temperature: inlet water from the top of the tank to the ER at +/- 30☌ outlet water fed back from the ER to the bottom of the tank at +/-55☌, achieving a temperature rise of 25☌.īased on the compressor running for 8,424 hours per year, the combination of the GA 250 and ER-S5 unit is recovering more than 1.4 million KWh of energy a year. The water circuit between the tank and ER unit takes cooler water and replaces it with the heated water. ![]() Heat from the oil is transferred to cool water on the opposite side of the exchanger, producing a continuous flow of hot water from the ER outlet. This is made possible by the ER-S5 energy recovery unit, whereby hot oil from the compressor’s air end is diverted through a stainless steel plate heat exchanger. ![]() A 50,000 litre tank stores water for several dyeing process operations in the factory and the by-product heat from the GA 250 compressor is used to pre-heat this water to around 50☌, rather than relying on additional gas power to heat it at point of use. As well as the considerable demand for compressed air on site, the dyeing processing has an equally large requirement for process hot water.
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