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SafeFlame
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SafeFlame is a welding technology that uses water and electricity to fuel an oxyhydrogen torch. Hydrogen and oxygen gasses are obtained by electrolyzing water, and then mixed and ignited as they exit the torch nozzle. The technology is inherently safer than conventional acetylene- and propane-based welders, because no pressurized fuel is stored in the process. The system can fuel a standard oxyhydrogen torch, and by fine-tuning the proportions of the two gases, different types of flames can be produced for different applications.<ref name=giz/> The flame can be stoichiometric, oxidising or reducing. History The project was funded by the European Union.<ref name=giz/> Applications The technology is suitable for multiple applications, because the length and temperature of the flame can be adjusted by varying the amount of power delivered to the electrolyzer.<ref name=giz/> Economics SafeFlame produces its fuel at the point and moment of use. It requires only an electric current, with no purchase, transport or storage of flammable gases.<ref name=giz/> The SafeFlame consortium represents approximately 1,000 businesses that use brazing, in a sector that employs 125,000 people in Europe and has a turnover of €20bn. Safety SafeFlame is has some inherent safety advantages over oxyacetylene, in that it requires no tanks of flammable gas to support combustion.<ref name=giz/> See Also
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