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What do you know about the air curtain?

Views: 0     Author: Site Editor     Publish Time: 2022-05-20      Origin: Site


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air curtains are mainly used for outdoor doors which are frequently opened in public buildings and factories; or used to prevent smoke entering smoke-free areas during building fires; or used to prevent the entry of contaminated air and insects into the control area. In addition, it is also frequently used in sectors such as electronics, instrumentation, pharmacy, food, precision processing, chemistry, footwear, services and commerce.

What is the operating principle of the air curtain?

What calculation methods are available for air curtain?

Where is the scope of the air curtain?

What is the operating principle of the air curtain?

The air curtain generates a high-speed air flow, divides the indoor and outdoor area into two independent temperature ranges to create a pleasant indoor climate, maintains the effect of indoor air conditioning and cleaning, saves electricity and circulates the air, to effectively isolate dust and smoke and smell microorganisms such as air and insects. The continuously shaped air door can effectively prevent the release of cold (warm) air, save electricity and divide the interior and exterior area into two independent temperature ranges. When the air conditioning runs longer, it supports the circulation of temperature settings to save energy and improve the environment. Purpose. The air curtain with a dust and insect protection effect produces a high-speed airflow to form a protective door that can effectively block the entry of external dust and flying insects and keep the room clean. The air circulation system of the air curtain with anti-smoking and harmful gas effects can make any corner of the room a strong barrier against the spread of spicy fumes and industrial gases, car exhausts and other harmful gases. Air circulation Effect If the energy distribution of the air conditioner is uneven due to the large space in stadiums, cinemas and entertainment centers, the air circulation system function of the air curtain can achieve the internal temperature balance.

What calculation methods are available for air curtain?

(1) calculation method based on the impulse principle;

(2) the calculation method using the combination of jet wind speed and door opening wind speed;

(3) with regard to the radiation flow and the opening air flow as a potential flow, the coating calculation method;

(4) calculation procedures based on the principle of natural ventilation;

(5) The calculation method based on the experimental diagram.

Where is the scope of the air curtain?

Use of air curtain. The air curtain is installed via the doors of refrigerated, air-conditioned, dust and heat-insulated shopping centers, theaters, hotels, restaurants, conference rooms, cold stores, operating rooms and apartments. Start the machine to separate the inner and outer air. It is convenient to enter and leave and can prevent the exchange of hot and cold air inside and outside. At the same time, it has the effect of preventing dust, pollution and mosquitoes.

Aerospace cleaners are also frequently used in sectors such as electronics, instrumentation, pharmacy, food, precision processing, chemistry, footwear and services, trade, etc. used.

Do you have a deeper understanding of air curtain after reading? For more information, please contact Guangzhou Meihao HVAC Equipment Co. Ltd. You are happy to help!


NO.C105 Yuewang building, NO.1 Wangling section of 106 national road, Baiyun district








  • Professional after service

    With more than 50 years’ experience, we provide professional shipping service and after sales service including: booking vessel, protecting exclusive agency, trouble shooting, helping client with sales(such as making catalog), and so on.
  • Full access to market all over the world

    Our products have certification of CE, CB, ISO 9001, UL, RoHS, etc. Since 1969, our products have been sold to countries all over the world.  
  • Full ability to design and manufacture air curtains

    Our factory has experienced R&D team and full equipment to design and manufacture air curtains. We have well integrated production line which includes Metal workshop; Plastic workshop; Blower workshop; Motor workshop and Assembly workshop. These workshops are equipped with the most advance equipment and machines in our industry (including the laser cutting machine and numerical controlled machines for various purposes. Also we put in loads of efforts to make sure our customers have unique, original design. To make sure our customers always have the leading edge products in the business.
  • High standard quality control

    Our air curtains are with ISO 9001 certifications.
  • High quality products

    Our standard models are made better than international standards. For example our motor is made and designed by our R&D team, with full copper wire and temperature rise lower than most of others. That means our motor has longer service life. With professional design and manufacturing, our product air performance is at least 20% better than most of others.
  • Most complete product range of air curtain

    Our factory was found on 1969, started to design and manufacture air curtain since 1982.Our first air curtain model Classic C2. We are now having more the 50 air curtain product series, include:
    Ambient air curtain; Heating air curtain (electric heating and hot/warm water heating air curtain); Horizontal mount air curtain; Vertical mount air curtain; Ceiling mount air curtain; Special air curtain series. Such as vehicle air curtain which installed on refrigeration truck, revolving door air curtain, cold room air curtain, etc. Product length from 0.6 meters to 2 meter, if there’s special needs we can provide customize service for other length. And the air curtain casing materials include steel, stainless steel, plastic, aluminum, etc. 

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