Air curtains can effectively prevent outdoor dust and insects from entering.
Published time:
2021-07-21
Air curtain machines use high-speed motors to drive axial or centrifugal fans, generating a powerful airflow that forms an "invisible curtain" of air for purification. They are also known as air curtains, air screens, air doors, or wind gates. The high-velocity airflow effectively blocks outdoor fumes, odors, and dust from entering, maintaining a clean and comfortable indoor environment. Before the use of air curtains, people relied on solid doors to separate spaces.
An air curtain is an air purification device that uses a high-speed motor to drive a flow-through or centrifugal impeller to generate a powerful airflow, forming an "invisible curtain" of air. Air curtains are also known as air screens, air curtains, air doors, and air gates. The high-speed airflow of an air curtain can effectively block outdoor fumes and odors from entering indoors, and it can also effectively prevent outdoor dust from entering, maintaining indoor cleanliness and creating a fresh and comfortable environment. Before the use of air curtains, people used "solid doors" to achieve spatial separation. For example, in order to reduce cold loss caused by opening doors, cold storage facilities usually have a long inner vestibule. The sealing effect of this vestibule is much worse than that of an air curtain, and the vestibule occupies a significant amount of useful space. Although doors can make the enclosed space more stable, they restrict the free entry and exit of personnel. For shopping malls, banks, waiting rooms, and factories with high traffic flow, plastic curtains and rolling doors often make people feel inconvenient. Air curtains are installed above the entrances of places such as refrigeration, air conditioning, dust prevention, and heat insulation facilities, theaters, hotels, restaurants, conference halls, cold storage, operating rooms, and homes. When activated, they separate indoor and outdoor air and dust, providing convenient entry and exit while preventing the exchange of indoor and outdoor air temperatures.
They also have the effects of preventing odors, pollution, and mosquitoes and flies. Air curtains are widely used in electronics, instrumentation, pharmaceuticals, food, precision processing, chemicals, footwear, services, and commercial industries, providing a good business environment for many businesses. Air curtains use a high-speed motor to drive a flow-through or centrifugal impeller to generate a powerful airflow, forming an "invisible curtain." This creates separate indoor and outdoor temperature zones, maintaining indoor air conditioning and purification, saving energy, and promoting air circulation. It effectively blocks dust, smoke, odors, insects, and microorganisms. Preventing the outflow of cold (warm) air saves energy and prevents the leakage of cold (warm) air, dividing indoor and outdoor spaces into two independent temperature zones. When air conditioners operate for extended periods, air curtains assist in circulating and adjusting temperatures, saving energy and improving the environment, and providing dust and insect prevention.
Air curtains generate high-speed airflow, forming a protective barrier that effectively prevents outdoor dust and insects from entering, maintaining indoor cleanliness. The air circulation system of an air curtain isolates the spread of fumes, spicy smells, industrial waste gases, and automobile exhaust from entering the indoor environment. In large spaces such as stadiums, cinemas, and entertainment venues where air conditioning energy distribution may be uneven, the air circulation system of an air curtain ensures even indoor temperatures.
Air curtains are mainly used in places such as restaurants, shops, and entertainment venues where customers frequently enter and exit and doors need to be opened and closed frequently. This maintains indoor cold and warm air temperatures at 60-80% efficiency, allowing only minor temperature fluctuations. The insect prevention function prevents most annoying and harmful insects from passing through the air curtain, making it easier to maintain hygiene in places like fruit stands and fast-food restaurants. Electric heating air curtains, usually with PTC heating, and water heating air curtains are also available. Both types raise the temperature at entrances, commonly used in northern regions, with temperature increases ranging from 30 to 60 degrees. In precision machinery factories or food and clothing stores facing public roads, air curtains effectively shield external dust, maintaining cleanliness at a 60-80% level.
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