מחמם דוד תרמי שמן גז או סולר

A gas thermal oil heater is an industrial heating system that uses natural gas or other gaseous fuels to heat a special heat transfer fluid, commonly called thermal oil. Unlike traditional steam or hot water boilers, this system transfers heat indirectly through the circulating thermal oil, allowing high-temperature heating without generating high-pressure steam. The heater typically consists of a combustion chamber where gas is burned, and a coil or heat exchanger through which the thermal oil flows. As the oil circulates through the heated coils, it absorbs energy efficiently due to its high thermal stability and low vapor pressure. Once heated, the thermal oil is pumped through pipelines to provide consistent and uniform heat to various industrial equipment, such as reactors, dryers, or heat exchangers. The oil transfers heat without undergoing a phase change, allowing operation at temperatures often exceeding 300°C while maintaining low system pressure. This makes gas thermal oil heaters safer and easier to maintain than high-pressure steam systems. Advanced designs include automated temperature controls, insulation to minimize heat loss, and safety devices like pressure relief valves. Gas thermal oil heaters are widely used in industries such as chemical, food processing, and pharmaceuticals because they offer precise temperature control, high energy efficiency, and reliable performance for continuous industrial heating applications.