Natural Gas Explosion-Proof Electric HeaterFluid explosion-proof electric heater is a device that converts electrical energy into thermal energy to heat the required material. During operation, the low-temperature fluid medium enters the input port under pressure through the pipeline, flows along the specific heat exchange channel inside the electric heating container, and follows the path designed based on fluid thermodynamics principles, carrying away 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 obtains 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 temperature of the medium 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, which could cause coking, deterioration, carbonization, or even damage to the heating element in severe cases, 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 pressure, chemical processes, and spray drying.
2. Heating of hydrocarbons, including crude oil, heavy oil, fuel oil, heat transfer oil, lubricating oil, paraffin, etc.
3. Heating of process water, superheated steam, molten salt, nitrogen (air), water gas, and other fluids that require temperature increase.
4. Zone 1 and Zone 2 hazardous gas locations;
5. IIA, IIB class T1 to T4 groups of explosive gas or vapor atmospheres;
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 protection.
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 uses electrical energy as the power source to convert its internal high-voltage voltage system into thermal energy.
Generally speaking, the explosion-proof electric heating furnace uses heat transfer oil as the heat carrier. The internal high-voltage voltage system, through the circulation pump of the heat transfer oil and forced processing by electrical energy, delivers the heat from the internal high-voltage voltage to one or more electric heating devices. After passing through the transition function in the high-voltage voltage system of the electric heating device, the heat transfer oil starts a new heating work cycle, i.e., it returns through the circulation pump to the electric heating furnace to absorb heat again and transfer it to the internal high-voltage voltage system of the electric heating furnace. Through this cyclic operation, the electric heating furnace continuously transfers heat, enabling the internal high-voltage voltage 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 are as follows:
1. It can achieve uninterrupted transfer of the internal high-voltage voltage system, ensuring that the internal high-voltage voltage system of the electric heating equipment uses electrical energy to obtain a higher temperature energy source, meeting the high-temperature heating requirements of the medium during operation and maximizing its function.
2. This equipment has a precise structure, small volume, light weight, and is easy to install. During heating, it does not cause harmful pollution to the surrounding environment and can achieve relatively high heating temperatures and efficiency at relatively low working pressures.
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-temperature voltage medium inside the gas electric heater during operation. In experiments, this temperature control accuracy can reach a range of ±2°C to ±0.2°C.
4. The internal high-pressure system of this equipment can provide alarm signals such as operation, high temperature, fault, and shutdown to the DCS system, and can also receive 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 type of electric heater is relatively higher.
5. The electrical equipment has multiple associated interfaces, allowing effective monitoring of the heat transfer oil pump, temperature and flow of heat transfer oil, and pressure of the internal high-voltage voltage. This achieves an ideal reform of explosion-proof electric heaters that is more energy-saving, environmentally friendly, and efficient.