News Details

Fluid Explosion-Proof Electric Heater

Fluid explosion-proof electric heater is a device that converts electrical energy into thermal energy to heat the required materials. During operation, the low-temperature fluid medium enters the input port through the pipeline under pressure, flows along the specific heat exchange channels inside the electric heating container, following the path designed based on fluid thermodynamics principles, and带走 the high-temperature thermal energy generated by the electric heating elements during operation, thereby raising the temperature of the heated medium. The outlet of the electric heater provides the high-temperature medium required by the process. The internal control system of the electric heater automatically adjusts the output power of the electric heater based on the temperature sensor signal at the outlet, ensuring uniform medium temperature at the outlet. When the heating element overheats, the independent overheat protection device immediately cuts off the heating power supply, preventing the heated material from overheating, coking, deteriorating, or carbonizing, which could otherwise damage the heating element, effectively extending the service life of the electric heater.

Application Scope

Typical applications of fluid explosion-proof electric heaters mainly include:
1. Heating of chemical materials in the chemical industry, drying of certain powders under specific pressure, chemical processes, and spray drying.
2. Heating of hydrocarbons, including crude oil, heavy oil, fuel oil, thermal oil, lubricating oil, paraffin, etc.
3. Process water, superheated steam, molten salt, nitrogen (air) gas, water gas, and other fluids that require heating.
4. Zone 1 and Zone 2 hazardous gas locations;
5. Explosive gas or vapor atmospheres of Groups IIA, IIB, T1 to T4;
6. Due to the advanced explosion-proof structure, the equipment can be widely used in chemical, military, petroleum, natural gas, offshore platforms, ships, mining areas, and other places requiring explosion-proof measures.

Main Uses in the Mechanical Electric Heating Industry

Explosion-proof electric heater is a high-efficiency, energy-saving, environmentally friendly, and safe explosion-proof industrial electric heating furnace for high-voltage thermal energy, developed based on advanced foreign electric heater technology. This electric heating furnace operates by using electrical energy as a power source to convert the internal high-voltage temperature system into thermal energy.
Generally speaking, the explosion-proof electric heating furnace uses thermal oil as the heat carrier. The internal high-voltage temperature system, through the circulation pump of the thermal oil and the forced processing of electrical energy, transfers the heat from the internal high-voltage temperature to one or more electric heating devices. After the transition function in the high-voltage temperature system of the electric heating device, the thermal oil begins a new heating work efficiency, i.e., it returns to the electric heating furnace through the circulation pump to absorb heat again and transfer it to the internal high-voltage temperature system of the electric heating furnace. Through this cyclic operation, the electric heating furnace continuously transfers heat, allowing the internal high-voltage temperature system to obtain a sustained high-temperature energy source, thereby meeting the heating requirements of the heated medium during high-temperature processes.
The characteristics of explosion-proof electric heaters in the mechanical electric heating industry include the following aspects:
1. It can achieve uninterrupted transfer of the internal high-voltage temperature system, ensuring that the internal high-voltage temperature system of the electric heating device obtains high-temperature energy from electrical energy, meeting the high-temperature heating requirements of the medium during operation, and maximizing its function.
2. This equipment has a precise structure, light volume, light weight, and easy installation. During heating, it does not cause harmful pollution to the surrounding environment and can achieve relatively high heating temperatures and efficiency under relatively low working pressure.
3. High level of intelligent standards. Relevant technical personnel from China Electric Heater Network have adopted an advanced intelligent heating working mode, i.e., by setting the original temperature of the high-voltage temperature medium inside the gas electric heater during operation. In experiments, this temperature control accuracy can reach a range of ±2℃ to ±0.2℃.
4. The internal high-voltage system of this equipment can provide alarm signals such as operation, high temperature, fault, and shutdown to the DCS system, and can also accept automatic and shutdown operation commands from the DCS. Moreover, reliable and safe monitoring devices have been added to the electric heater system. However, the price of this electric heater is relatively higher.
5. The electrical equipment has multiple associated interfaces, allowing effective monitoring of the thermal oil pump, thermal oil temperature flow, and internal high-voltage pressure. This achieves the ideal reform of explosion-proof electric heaters for greater energy saving, environmental protection, and efficiency.