²Movable type heat module(Patent NO.:ZL201220273299.4Z) is skid-type Vortex hot-film asphalt exclusive make use of heating unit which is our company developed new type asphalt quick heating device, it makes use of advanced stainless vortex hot-film pipe as heat exchanger element, use it’s unique heat exchange element an inside technology construction, realized heater high efficiency, corrosion resistance, heat-resistant, high pressure resistant, anti-fouling function, greatly improved the whole performance of heater. It effects on road projects, save energy and consumption reducing.

Adopt unique vortex hot film tube as the heat exchange element, heat medium flow in tube,  asphalt flow in shell. Heat efficiency is 3-5 times than ordinary heat exchanger. In heat transfer oil inlet use temperature control valve, through the temperature sensor to control the heating medium for the amount of heat conduction oil, and ensure the asphalt temperature constant. Its strengthen heat transfer mechanism are: design in both inside and outside surface of fluid flow into a turbulent flow, produce strong shocks and flushing action, flow direction change, boundary layer thinner so that damage, heat faster. And then avoid local high temperature overheating the asphalt

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