Pressure loss of air electric heater

Pressure loss of air electric heater

Nowadays, many heaters have energy-saving characteristics, and air heaters are no exception. However, few people know the specific aspects from which air heaters are designed to save energy. Below, we will analyze the energy-saving design of air heaters from three aspects.

1. Reasonably design the air volume and temperature rise. The power of the air heater is calculated and determined based on the air volume and temperature rise. If the air volume and temperature rise meet the requirements, it is not suitable to use excessive air volume and temperature rise. Excessive air volume and temperature rise will directly lead to excessive power of the heater and increase energy consumption. Excessive air volume and temperature rise are unnecessary. We need to consider comprehensively, design reasonably, and determine appropriate parameters.

On the surface of the air heater, an insulation layer should be added. Only insulate the pipeline at the outlet of the electric heater, and do not apply any insulation treatment to the surface of the electric heater itself. Comparative data shows that adding an insulation layer on the surface of an electric heater can reduce energy consumption by 5% to 10%. Long term operation can save considerable energy consumption. Users should install insulation layers on the air heater as well as on the pipeline.

3. Reduced the pressure loss of the air heater itself. When the air that needs to be heated flows through the interior of the air heater, there will be pressure loss. The greater the pressure loss, the greater the energy consumption of the fan. Therefore, improvements and innovations should be made to the structure of the air heater itself to minimize the pressure loss it generates.

General faults and solutions of pipeline electric heaters

Pipeline electric heater is an energy-saving device that pre heats materials. It is installed before the material equipment to directly heat the materials, allowing them to circulate and heat at high temperatures, achieving the goal of energy conservation. It is widely used in the pre heating of fuel oils such as heavy oil, asphalt, and clear oil.

The pipeline heater consists of two parts: the main body and the control system. The heating element uses stainless steel pipes as protective sleeves, high-temperature resistance alloy wires, crystalline magnesium oxide powder, and is formed through compression technology. The control part uses digital circuits, integrated circuit triggers, high back pressure controllable silicon, and other components to form an adjustable temperature measurement and constant temperature system, ensuring the normal operation of the electric heater.

Fault -: The digital display meter is not working. Check if the air switch is closed and if the control circuit is intact.

Fault 2: The heater temperature does not rise. Check if the fuse is intact and if the pipeline electric heater is damaged?

Fault three: three-phase imbalance. Check if the three-phase incoming voltage is out of phase. Open the junction box of the pipeline heater and use a multimeter to check if a single electric heating element is open circuit.

Fault 4: The insulation of the pipeline electric heater is reduced. Usually caused by moisture entering the heating tube. Remove the heater core and dry it in an oven. In addition, hot air can be used to blow the heating tube or the heater can be blown by a fan, and then the heater can be turned on to use the heating tube itself to generate heat and remove moisture

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