Shandong Huaning Electric Heating Technology Co., Ltd.
A circulating electric heater is a way of heating a liquid by forced convection of a pump. It has small size, high heating power, high thermal efficiency, high operating temperature and pressure, the maximum operating temperature can reach 600 °C, and the pressure resistance can reach 20 MPa. Long service life, reliable structural tightness, no phenomena of "currents, pops, drips, leaks", etc. D., uniform heating of the medium, fast and stable temperature rise, automatic control of parameters such as temperature, pressure, flow rate, etc. D., and special specifications can be made according to user needs design, the shell container has two kinds of vertical and horizontal.
The circulation heater, combined with pump, piping, valve and control system, forms an electric heater system, forming an overall frame structure convenient for mobile installation.
2500 kW
Large Circulating Explosion-proof Nitrogen Recovery Electric Heater 2500kw
Circulating Explosion-proof Electric Heater 1800 kW.
FAQ
Why is the outlet temperature of the electric heater abnormal/the temperature cannot reach the required temperature?
Temperature controller failure, electric heating tube failure, control circuit failure, insufficient air volume or low air pressure inside the heater body, cooling fan damage, etc.
Why does the electric heater fail to heat?
The heating wire is burned out, the internal junction box or external line is broken or loose, the power supply phase is missing, the electric control board is damaged, etc.
Why does abnormal heating occur (overheating or no heating)
Improper design: Exceeding the maximum operating length of the heating cable results in excessive voltage drop and insufficient power. Overlapping heating: Overlapping parallel heating cables, if not self-limiting, can cause burnout due to the combined heat. Insulation issues: Lack of insulation, thin or uneven insulation, leading to heat loss and prolonged operation of the heating cable in low or humid conditions, affecting its efficiency and lifespan.
Causes of short circuits/open circuits
Installation damage: Repeated bending, dragging, or excessive flexing of the heating cable during installation can damage its insulation. Wiring issues: Improper installation of wiring accessories can damage waterproof seals, allowing moisture or corrosive substances to enter and cause short circuits or leakage. External physical damage: Activities such as pipeline maintenance, cross-operation, and equipment lifting can cause physical damage to the heating cable.
Keywords
Circulating electric heater
Circulating electric heater
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