What are the benefits of indoor exhaust fans?

1, the advantage of indoor exhaust fan is to make indoor air circulate, and it should be to quickly eliminate indoor solvents after volatilization, so as not to cause excessive solvent content in indoor air, thus causing explosion or poisoning.

2. The indoor exhaust fan is a kind of air-conditioning electrical appliance which is driven by the motor to rotate the blades and drive the airflow, so that the indoor and outdoor air can be exchanged. Also called ventilator. The purpose of exhaust is to remove indoor dirty air and adjust temperature, humidity and sensory effect.

What kinds of exhaust fans are there?

1. Direct exhaust fans: Direct exhaust fans are usually divided into ceiling direct exhaust fans and partition direct exhaust fans. When working, the indoor air is directly discharged outside, and there is no need to install ventilation pipes on the ventilator.

2. Ceiling pipe ventilator: The name of ceiling pipe ventilator comes from its installation position and the use of pipes for ventilation. Generally installed on the ceiling of the living room, it works in one direction, pumping out the indoor air, and then exhausting the air to the outside through the pipeline and the ventilation pipeline connected with the pipeline.

3. Window sash: Window sash was first used for windows, hence its name. Small size, easy to install in kitchen, bathroom, balcony and other narrow spaces.

4. Louver ventilator: The rear air outlet of the louver ventilator has a return air valve similar to a louver, which is installed on the partition wall and has strong ventilation, and is suitable for a large space.

What are the specifications and sizes of industrial exhaust fans?

1, industrial exhaust fans have complete specifications, and the common exhaust fans are over 400 mm ... such as 400 mm, 500 mm, 600 mm, 750 mm, etc. High temperature, dust, harmful gases (such as gas), etc. The exhaust fan used in general environment is mainly composed of blades, motors, control switches and racks. Used in factories, hospitals, hotels, restaurants, scientific research laboratories and other places. Special exhaust fans with special design and structure are used in special environments.

2. Exhaust fans are mainly installed on walls or windows for ventilation and exhaust in daily life. Exhaust fans are basically divided into three categories: domestic and industrial exhaust fans and special exhaust fans. There are many specifications of exhaust fans in China, ranging from 150mm to 500mm, but they are mostly used in families with a size of 300mm or even smaller. In modern society, many families have installed exhaust fans in kitchens and bathrooms. Eliminate turbidity and odor of oil fume and alcohol. Some families have installed exhaust fans in their rooms to adjust the air.

3. The exhaust fan has single-phase and three-phase AC power supply. The exhaust fans of household exhaust fans, suction fans and ventilation fans all adopt single enclosed motors to adapt to harsh environment (where there is steam, oil pollution and dirty dust). Ball bearings are generally used in televisions, and powder metallurgy oil-bearing is used in small exhaust fans that require low noise. Moreover, the exhaust fan motor is equipped with anti-vibration, stop sound and oil storage devices, which has low running noise and does not refuel for a long time.