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Tuesday, 24 November 2015 14:46

Glass factory in Goole invests £4 million in waste heat recovery

Guardian Industries' Glass Group has invested more than £4 million into a customised Waste Heat Recovery System at its glass manufacturing plant in Goole, east Yorkshire.

guardian glass waste heatThe new system will provide half the electrical energy needed to operate Guardian's full float line, which in turn will reduce its dependency on the grid and effectively reduce its CO2 emissions by some 6,000 tons per year. In terms of environmental impact, that's the equivalent of taking nearly 2,200 cars off the road.

Float glass manufacturing requires a large amount of energy. Running a furnace at about 1,600ºC around the clock, seven days a week, 365 days a year, consumes a lot of natural resources. The nature of the float glass process means that heat inevitably escapes the furnace.

Guardian's new Waste Heat Recovery System uses a complex method of capturing waste heat from the furnace without disrupting the delicate convection currents, which continually flow inside the furnace as the batch material is turned to molten glass.

This system represents a new approach both for Guardian and they believe for the glass industry as a whole.

Pablo Isasmendi, Plant Manager for Guardian Industries UK, said: "We constantly look for new ways to innovate and improve the float glass process and this demonstrates to the entire industry that there's a viable way to reduce energy consumption and carbon emissions from the float glass manufacturing process."

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