Fluid Explosion-Proof Electric Heater
A fluid 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 through the pipeline under pressure, flows along the specific heat exchange channels inside the electric heating container, follows the path designed based on fluid thermodynamics principles, and carries 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 provides the high-temperature medium required by the process. The internal control system of the electric heater automatically adjusts the output power based on the temperature sensor signal at the outlet to ensure 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 to prevent coking, deterioration, or carbonization of the heated material due to overheating, which could otherwise damage the heating element, effectively extending the service life of the electric heater.
Collapse Edit SectionApplication Scope
Typical application scenarios of fluid explosion-proof electric heaters 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. Heating of process water, superheated steam, molten salt, nitrogen (air) gas, water gas, and other fluids that require temperature increase.
4. Hazardous gas areas of Zone 1 and Zone 2;
5. Explosive gas or vapor atmospheres of Groups IIA and IIB, T1~T4;
6. Due to the use of advanced explosion-proof structures, the equipment can be widely used in chemical, military, petroleum, natural gas, offshore platforms, ships, mining areas, and other places requiring explosion-proof measures.
Collapse Edit SectionMain Uses
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 uses electrical energy as a 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 forced processing of electrical energy, transfers the heat from the internal high-voltage temperature to one or more electric heating devices. After passing through the transition function in the high-voltage temperature system of the electric heating device, the thermal oil starts a new heating cycle, i.e., 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 operation, the electric heating furnace continuously transfers heat, enabling the internal high-voltage temperature system to obtain sustained high-temperature energy, thereby meeting the heating requirements of the 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 temperature system, ensuring that the internal high-voltage temperature system of the electric heating device obtains high-temperature energy using electrical energy, meeting the high-temperature heating requirements of the medium during operation, and maximizing its effect.
2. This equipment has a precise structure, small volume, light weight, and easy installation. During heating, it does not produce harmful pollution to the surrounding environment and can achieve relatively high heating temperatures and efficiency at relatively low working pressures.
3. High level of intelligence. Relevant technical personnel of China Electric Heater Network have adopted an advanced intelligent heating working mode, i.e., by setting the original temperature during operation through the high-voltage temperature medium inside the gas electric heater. 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 receive 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 of this electric heater is relatively high.
5. The electrical equipment has multiple related interfaces, allowing effective monitoring of the thermal oil pump, thermal oil temperature and flow, and internal high-voltage pressure at any time, thereby achieving the ideal reform of explosion-proof electric heater being more energy-saving, environmentally friendly, and efficient.
