Fluid explosion-proof electric heater is a device that consumes electrical energy and converts it into thermal energy to heat the required materials. During operation, the low-temperature fluid medium enters the input port through the pipeline under pressure, follows the specific heat exchange flow path inside the electric heating container, and utilizes the path designed based on fluid thermodynamics principles to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 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, 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 certain pressures, 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 need to be heated.
4. Zone 1 and Zone 2 hazardous gas locations;
5. IIA, IIB Class T1 to T4 explosive gas or vapor environments;
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
The explosion-proof electric heater is a high-efficiency, energy-saving, environmentally friendly, and safe explosion-proof industrial electric heating furnace developed based on advanced foreign electric heater technology, providing high-voltage thermal energy. This electric heating furnace is a working method that uses electrical energy as the power source to convert its 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 of 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, that is, it returns to the electric heating furnace through the circulation pump to absorb heat again and transmit it to the internal high-voltage temperature system of the electric heating furnace. Through this cyclic work, the electric heating furnace continuously transfers heat, enabling the internal high-voltage temperature system to obtain a continuous high-temperature energy source, thereby meeting the heating requirements of the heating medium during the high-temperature process.
The characteristics of the explosion-proof electric heater in the mechanical electric heating industry are as follows:
1. It can achieve continuous transfer of the internal high-voltage temperature system, ensuring that the internal high-voltage temperature system of the electric heating device uses electrical energy to obtain a higher temperature energy source, meeting the high-temperature heating requirements of the medium during operation, and maximizing its effect.
2. This equipment has a precise structure, light volume, light weight, and convenient installation. During heating, it does not cause harmful pollution to the surrounding environment, and can obtain relatively high heating temperature and efficiency at relatively low working pressure.
3. High level of intelligence. Relevant technical personnel of China Electric Heater Network adopt advanced intelligent heating working mode, that is, by setting the original temperature of the high-temperature voltage medium inside the gas electric heater during work. In experiments, this temperature control accuracy can reach a range of ±2℃ to ±0.2℃.
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 accept automatic and shutdown operation commands from the DCS. Moreover, a reliable and safe monitoring device has been added to the electric heater system. However, the price reference for this type of electric heater is relatively high.
5. The electrical equipment has multiple associated interfaces, which can effectively monitor the thermal oil pump, thermal oil temperature flow, and internal high-voltage pressure at any time, thereby achieving the ideal reform of explosion-proof electric heater for more energy saving, environmental protection, and high efficiency.
