The result is faster heating times, and greater product saturation. Pulsing the burners in a system greatly increases the turbulence inside the furnace, which increases convective heat transfer. Once in operation, many users enjoy the flexibility of firing patterns and burner on-times, in addition to the ease with which pulse-fire furnaces can be re-zoned – no piping changes are required. Pulse-fire systems are easy to install and boast up to 30% fuel savings with greatly reduced commissioning times. The most common combustion control design is still the cross-connected ratio system. The availability of suitable components has greatly improved over the years, though the industry in North America has been slow to adopt pulse-fire technology. These requirements include, but are not limited to, the operating cycles of the air and gas valves. However, there were difficulties with the early implementation, as the equipment requirements exceeded what was available at the time. The principal was simple, inspired by the philosophy that firing a burner on/off or high/low would promote better temperature uniformity and energy efficiency. The pulse-fire concept was developed in Germany more than 30 years ago. A pulse-fire system is fundamentally different, as the burners are not fired constantly, but instead “pulsed” in an on/off or high-fire/low-fire pattern. Traditional modulating systems use valves to control the range of heat the burners are always firing, at greater or lesser intensities. More than anything else, pulse-fire is a method of introducing heat into a gas-fired furnace. How? By using pulse-fire to transform your industrial furnace! What is Pulse-fire? Improve your bottom line, lower your operating costs, increase your product quality, and do your part to reduce greenhouse gases.
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