The thermal oil electric heater evenly distributes high-temperature resistance wires within a high-temperature, seamless stainless steel tube. In the gaps, a dense filling of crystalline magnesium oxide powder with excellent thermal and insulating properties is used. This structure is not only advanced and highly efficient but also provides even heat distribution. When an electric current passes through the high-temperature resistance wires, the heat generated diffuses through the crystalline magnesium oxide powder to the surface of the metal tube, then transfers to the heated object or air, achieving the heating purpose. After the heater has been running for a period of time (depending on the user's usage), it should be cleaned. If the thermal oil heater accumulates excessive carbon, leading to reduced thermal efficiency, the internal wall of the water jacket and the carbon buildup in the combustion chamber should be cleaned. If the intake and exhaust pipes of the heater's main unit and the oil drip tube are found to be blocked with dirt, please clean and clear them promptly. Maintain the cleanliness of the heater's cabin, and strictly prohibit placing flammable debris nearby.
Thermal oil electric heaters feature a wide range of heating tube applications, long lifespan, and high reliability. The core principle of the heater is energy conversion, specifically the conversion of electrical energy to heat. When selecting the diameter of the resistance wire, the surface load of the wire must be considered to meet lifespan requirements. For low-temperature electric heating tubes, KAWAI can produce tubes with a surface load of less than 8W/CM2. Before mass production, a temperature coefficient test is necessary to determine the cold-state resistance within the qualified power range. Finally, the tubes are dried, oiled, and treated black according to the above five points, which is still a very effective method.
When inquiring about thermal oil electric heaters at a thermal oil electric heater factory, most general users require a solution and selection. This necessitates the client providing specific process requirements, such as the required temperature, whether cooling and refrigeration is needed, the duration of heating, and the type of material or equipment. These factors are crucial in selecting an appropriate electric heater thermal oil furnace. The choice of heating tubes primarily considers their power size; the higher the heating power, the faster the heating speed. However, higher heating power does not always mean better, as it requires larger cables and electrical components, which can increase the cost of the unit and the user's expenses. The piping system mainly consists of circulating thermal medium piping and cooling water piping. High-quality thermal oil electric heater equipment and technology generally use carbon steel, with copper pipes for the cooling water section. Some lower-quality temperature control devices often use ordinary carbon steel, which may not pose significant issues in the short term but will reduce the lifespan.
Thermal oil electric heater advantages:
1. The thermal oil electric heater enhances system safety.
2. Meets stringent requirements for high-quality craftsmanship standards
3. Compact size, minimal footprint, reduces equipment investment and operating costs, and accelerates return on investment.
4. User-friendly operation, easy installation
5. Minimal heat loss, significant energy-saving effects, no environmental pollution, wide range of applications
6. Full specifications, wide user selection range, and stable quality.
Thermal oil heaters commonly use U-bends and floating head structures for electrical to thermal energy conversion. For certain horizontal installations without fixed thermal oil radiators, simply adding a bottom sliding device is sufficient.
The flow rate of the heat transfer oil inside the electrically heated oil heater tube. This is an issue that many manufacturing companies often overlook. If the flow rate of the heat transfer oil inside the tube is too low, resulting in a laminar flow, it can lead to several problems. On one hand, it easily causes scaling inside the tube, affecting heat exchange performance. On the other hand, a low Reynolds number significantly reduces the heat transfer coefficient of the heat exchanger, failing to utilize the function of the fins outside the tube.
Our electric heating thermal oil furnace equipment and technical specifications include three models: 200°C, 300°C, and 350°C, with capacities above 6KW available. These ultra-high-temperature units are used for heating and temperature control in various industries, featuring an auxiliary cooling system. Industrial thermal oil electric heaters utilize the heat transfer properties of thermal oil to provide heat sources for equipment requiring heat.
In the paper industry, mainly used for heating applications such as sizing roller, drying roller, drying room, drying cabinet, hot melt machine, wax pot, and corrugated paper processing.
In road construction projects, primarily used for asphalt heating, dissolution, asphalt storage tanks, asphalt concrete, and emulsified asphalt temperature maintenance. Also utilized for tunnel-type drying rooms, degreasing bath pools, and heating of phosphoric acid treatment equipment.
In defense research, it is primarily used as a high-temperature heat source for the development of new technologies, materials, and products.
In the carbon industry, primarily used for graphite electrodes, carbon products, asphalt melting, kneading kettle heating, and extrusion molding heating. In the shipping industry, mainly used for heating heavy oil tanks, asphalt tanks, and sulfur tanks on ships.
