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In general, the air curtain is designed and implemented for four purposes.
Preventing the entry of dust and dirt, vermin, smoke, unpleasant odors, gas and steam of any kind of environmental pollution from the doors, which would disturb the production process and maintain its controlled conditions. This issue of smell becomes more important for the doors that have to be open during the working time, and in this way, by installing the air curtain, we will be able to practically remove the physical doors in unnecessary cases and personnel traffic and movement. Goods can be done more easily.
Creating an invisible curtain that prevents heat exchange between two environments: The role of separating the air curtain between two cold and hot environments is a very valuable advantage in maintaining and controlling energy loss. The reason is that nowadays keeping the air of a building (factory, office, etc.) cool and comfortable in the hot season and keeping it warm in the cold season is done at a very high cost, and the air curtain is able to prevent this waste with a very good efficiency. be made
Preventing prevailing seasonal winds from entering the halls despite the doors being open, this advantage especially in the cold seasons of the year when there is a negative pressure due to the air evacuation system of the building makes it possible to prevent the entry of moldy wind.
Controlling the emission of odor and dust and any other type of pollution in the entire open space of the production hall by isolating the polluting part with an air curtain.
Among the other advantages of using an air curtain, the following can be mentioned:
Storing energy in the indoor environment through air transfer control
Increasing work efficiency due to the prevention of seasonal winds
Improving the health level of the environment by preventing the entry of flies and insects and other pollutants in the air
Increase the space used near the doors
Preventing the closing of ice crystals and frost around the door and floor of the cold room
Circulating air and preventing energy lock
Types of air curtain device models:
Mainly air curtains are produced and supplied in 2 office-commercial and industrial models.
Office-commercial models have advantages such as beautiful appearance, occupying less space (compared to industrial devices), low noise and low electricity consumption, and also have the ability to be equipped with hot water coils and electric heaters for the cold seasons of the year.
Industrial models of air curtain devices are also designed, manufactured and supplied according to the height and width of the door, as well as the type of application, including different models with appropriate wind pressure and air volume.
Important points in air curtain maintenance:
Avoid installing the device in places where there is a possibility of water entering the device and its motor.
Dust and air pollution can over time cause the balance and imbalance of the propellers and make the engine axis out of balance and cause vibration and eventually break the propeller or burn the engine. For this reason, periodic service of the device is necessary.
In the devices that are equipped with a microswitch, it is better to leave the device out of automatic mode and work continuously during high traffic times.
Do not use gasoline or thinner or other chemicals to clean the device.
Choosing the right air curtain:
Choosing the right air curtain is very effective in the efficiency and effectiveness of ventilation equipment.
An air curtain with a low fan power cannot prevent cold air from entering, and on the contrary, installing a powerful system at low heights can be unpleasant and noisy for people standing below it.
In order to achieve a better result, it is desirable that the entire width of the door is subjected to a continuous flow of air.
Air curtains can have heating elements and can be without elements, and both of them reduce the energy loss to the same extent, and the difference is due to the effect on the people in the place, and the presence of heating elements, the air It dries and warms the environment at the entrance. Determining how much hot air a room needs depends on the temperature difference between inside and outside and depends on how many other heating sources are available in the place besides the air curtain.
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