The energy-saving principle and operation of air heaters are divided into two steps

The energy-saving principle and operation of air heaters are divided into two steps

1, Operating principle of melt blown cloth air heater

In melt blown systems, most of them use air heaters heated by electricity. In the heater shell made of stainless steel, there are a large number of stainless steel electric heating tubes installed. the electric heating tubes are energized, the tubes heat up and exchange heat with the airflow sent by the fan, transferring the heat to the airflow, which becomes the high-temperature stretching airflow required by the process.

2, Energy saving principle of melt blown cloth air heater

(1) Reasonably describe the air volume and temperature rise. The power of the melt blown cloth air heater is determined based on the calculation of air volume and temperature rise. On the premise that the air volume and temperature rise the requirements, it is not advisable to choose a too large air volume and temperature rise, as excessive air volume and temperature rise directly lead to excessive power and energy consumption of the melt blown cloth air heater.

(2) Permukaan daripada the melt blown cloth air heater should be insulated. Most users only insulate the pipes at the outlet of the air electric heater when using it, without any insulation treatment for the exterior of the electric heater itself. According to the data, adding insulation layer on the surface of the electric heater can reduce energy consumption by 5% to 10%. Long term operation can save large energy consumption. Users should install insulation layer on the pipeline and air electric heater together.

(3) The pressure of the melt blown fabric pipeline electric heater itself is lost. When the air that needs to be heated flows through the interior of the air electric heater, pressure loss occurs. The greater the pressure loss, the greater the energy consumption of the fan. Improvement and innovation should be made in the layout of the melt blown air heater itself to minimize the pressure loss.

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