Designed for efficiency and performance
400 and 4000 Series Forehearths and Working Ends provide an integrated glass conditioning system, and mark a real technological advance. Excellent standards of temperature control and insulation provide improved glass temperature stability and, by quickly adjusting the working temperatures of the glass the system allows for faster job changes.
Prior to design, complex physical and mathematical modelling is carried out to ensure optimum standards of performance. A specially designed program is used to analyse the range of production parameters, enabling the most suitable insulation strategy to be devised and ensuring heat losses and temperature profiles are carefully controlled.
400 & 4000 Series Forehearth
The forehearth features a monobloc roof system, which is easy to install and adapt. Produced from a suitable refractory material, it incorporates a central cooling channel, which directs cooling air above the hot centre stream of glass. This system allows the temperature to be automatically controlled by the cooling air - a more direct and responsive method of control - resulting in more efficient operation and significantly reduces running costs. With extensive experience of gas, oil and electric and Oxy fuel heating systems, BH-F offers combustion systems that have a high turn down ratio for high pulls.
Special nozzles are also available that provide very high heat inputs and allow even more rapid heat-up, saving time at job change. When used together, the 400 & 4000 Series Working end and Forehearth create the ideal condition for efficient handling of stable, homogeneous molten glass.
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