What are the functional characteristics of explosion-proof electric heaters

What are the functional characteristics of explosion-proof electric heaters

1. Small size and high power: The heater mainly uses bundled tubular electric heating elements

2. Fast thermal response, high temperature control accuracy, and high comprehensive thermal efficiency.

3. High heating temperature: The heater is designed with a high operating temperature of up to 850 ℃.

4. The outlet temperature of the medium is uniform and the temperature control accuracy is high.

5. Wide application range and strong adaptability: This heater can be suitable for explosion-proof or ordinary occasions, with explosion-proof levels up to D Ⅱ B and C, and a pressure resistance of up to 20MPa.

6. Long lifespan and high reliability: The heater is made of special electric heating materials, designed with low surface power load, and adopts multiple protections, greatly increasing the safety and lifespan of the electric heater.

7. Fully automated control: According to the requirements, the heater circuit design can easily achieve automatic control of parameters such as outlet temperature, flow rate, and pressure, and can be connected to a computer network.

8. The energy-saving effect is significant, and almost 100% of the heat generated by electricity is transferred to the heating medium.

Convert electrical energy into thermal energy to heat objects. It is a form of electricity utilization. Compared with general fuel heating, electric heating can achieve higher temperatures (such as arc heating, which can reach temperatures above 3000 ℃), making it easy to achieve automatic and remote temperature control. For example, electric heating cups in vehicles can maintain a certain temperature distribution of the heated object as needed. Electric heating can directly generate heat inside the heated object, resulting in high thermal efficiency and fast heating speed. It can also achieve overall uniform heating or local heating (including surface heating) according to the heating process requirements, making it easy to achieve vacuum heating and controlled atmosphere heating. During the electric heating process, there is less exhaust gas, residue, and smoke generated, which can keep the heated object clean and not pollute the environment. Therefore, electric heating is widely used in production, scientific research, and experimental fields. Especially in the manufacturing of single crystals and transistors, mechanical parts and surface quenching, smelting of ferroalloys, and manufacturing of artificial graphite, electric heating is used.

According to the different methods of electrical energy conversion, electric heating is usually divided into resistance heating, induction heating, arc heating, electron beam heating, infrared heating, and medium heating.

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