Application and advantage structure of air duct electric heater
Electric duct heaters are mainly used for air heating in air ducts. The specifications are divided into three forms: low temperature, medium temperature and high temperature. The common structure is the use of steel plates to support electric heating tubes to reduce the vibration of electric heating tubes. Equipped with over-temperature control device. If you need to exceed the above pressure, please choose the circulation electric heater; the maximum temperature of the low temperature heater gas heating does not exceed 160 ℃; the medium temperature type does not exceed 260 ℃; In terms of control, a linkage device must be added between the fan and the heater to ensure that the heater is started, which needs to be performed after the fan is started. The maximum temperature of the low-temperature heater gas heating does not exceed 160 ℃; the medium-temperature type does not exceed 260 ℃, the high-temperature type does not exceed 500 ℃.
The installation form of air duct electric heater includes:
1. Docking installation,
2. Plug-in installation,
3. Separate installation,
4. Installation method such as entrance installation.
According to the actual situation, the user can choose a variety of suitable installation methods. The air duct heater is generally made of carbon steel because of its particularity. If you need stainless steel, please specify.
The benefits of electric duct heaters are:
1. The air can be heated to a very high temperature, up to 450 ℃, the shell temperature is only about 50 ℃.
2. High efficiency: up to 90%.
3. The heating and cooling rate block can reach 10 ℃ / S, and the adjustment is fast and stable.
4. Good mechanical properties
5. Durable, in strict compliance with the rules of use, life expectancy of more than ten years.
6. Clean air is beneficial to environmental protection.
7. According to the actual needs of users, we can provide design solutions and customize multiple types of electric air heaters.
8. Need to add insulation layer.
9. There will be no leading and lagging of the controlled air temperature and the temperature control will drift indefinitely, which is very suitable for automatic control.
Air heater knowledge introduction
Daily storage of bolt heaters requires attention
① Store in a dry environment, otherwise the electrical performance of the bolt heater will be reduced. If the insulation resistance of the bolt heater is less than 2MΩ, it cannot be used
Solution: Use low voltage to energize for 3-5 minutes to drain out the moisture in the bolt heater
② The bolt heater should not be under heavy pressure to prevent deformation of the heating part,
③ Clean the dirt on the stainless steel surface of the bolt heater, otherwise it will affect the insertion of the bolt heater,
④ It is necessary to check whether the wiring part is firm,
