News Details

(1) Explosion-proof electric heaters can be widely used for heating water, oil, air, nitrate solution, acid solution, alkali solution, and low-melting-point metals (aluminum, zinc, tin, babbitt, etc.).

a. Duct heater: mainly used in the air duct of air heating systems to blow hot air. It can also be used as a heating element for various ovens and electric furnaces.

Nitrate solution, oil, water heating: formed by welding bent tubular electric heating elements onto a flange. Used for heating in open or closed solution tanks and circulation systems.

c. Single-end heater: used in heating media where both ends cannot be connected, suitable for hot core boxes, core shooters, molds, and other equipment.

(2) Performance advantages:

Explosion-proof electric heater has the advantages of simple structure, high thermal efficiency, good mechanical strength, safety and reliability, sensitivity, and durability.

Product Features:

1. Small size, high heating power;

2. Can heat various media in various occasions, such as explosion-proof environments;

3. Heating temperature can usually reach 720°C;

4. The heating system can be fully automated, including control via DCS system;

5. Long service life, multiple protection systems, safe and reliable.

Technical Parameters: 

Main Applications:

The explosion-proof electric heater is an efficient, energy-saving, environmentally friendly, and safe explosion-proof industrial electric heating furnace for high-voltage thermal energy. This electric heating furnace uses electrical energy as the power source to convert its internal high-voltage temperature system into thermal energy.

Generally, the explosion-proof electric heating furnace uses heat transfer oil as the heat carrier. The internal high-voltage temperature system forces the heat transfer oil through a circulation pump using electrical energy, delivering 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 heat transfer oil begins a new heating 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 temperature system. Through this cyclic operation, the electric heating furnace continuously transfers heat, enabling the internal high-voltage temperature system to obtain a sustained high-temperature energy source, thus meeting the heating requirements of the heating 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 continuous transfer of the internal high-voltage temperature system, ensuring that the electric heating device's internal high-voltage temperature system uses electrical energy to obtain higher temperature 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 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 intelligence. Relevant technical personnel from China Electric Heater Network adopt 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°C to ±0.2°C.

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. Additionally, a reliable and safe monitoring device has been added to the electric heater system, but the price of this electric heater is relatively high.

5. The electrical equipment has multiple related interfaces, allowing effective monitoring of the heat transfer oil pump, temperature and flow of heat transfer oil, and internal high-voltage pressure at any time. This achieves an idealized reform of the explosion-proof electric heater, making it more energy-saving, environmentally friendly, and efficient.

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