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Anonymous users2024-01-24Yes, that is to add a fan, when exhausting, use wind to open, and close when there is no wind, and the principle on the range hood is the same, it is a plastic plate.
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Anonymous users2024-01-23Yes. 1. Exhaust fan.
It is a kind of air conditioning appliance that drives the fan blade to rotate and drive the airflow by the electric motor to make the indoor and outdoor air exchange. Also known as ventilation fan. The purpose of exhaust air is to remove dirty air from the room and regulate the temperature, humidity and feel. Exhaust fans are widely used in homes and public places.
2. Check valve.
It refers to the valve that automatically opens and closes the valve disc by relying on the flow of the medium itself, and is used to prevent the backflow of the medium, also known as check valve, check valve, reverse flow valve, and back pressure valve. The check valve is an automatic valve, and its main function is to prevent the backflow of the medium, prevent the pump and the drive motor from reversing, and the discharge of the container medium.
The purpose of installing a check valve on the air duct in front of the exhaust fan is to prevent the outside air from blowing into the room due to air pressure after the exhaust fan stops working.
Exhaust fans need to be installed in the bathroom, especially in the bathroom without ventilation windows. The exhaust fan can eliminate the smell of sewer return in time, the smell of feces and drowning in time, ventilate and keep the indoor air in good condition, which is conducive to physical and mental health.
What is the size of the household exhaust fan, the size and specification of the bathroom exhaust fan used at home is generally the exhaust fan installed on the partition wall and the ceiling pipe, mainly these two, the size of the exhaust fan installed on the partition wall is generally 200 * 200, 250 * 250, 300 * 300 such specifications, but due to the problem of appropriate opening, it is best to make a hole in the wall according to the size of the exhaust fan purchased, or a hole in the window frame, and the ventilation fan of the ceiling is divided into two types. One is the exhaust fan for the integrated ceiling, the other is the exhaust fan that can be used in the ordinary ceiling, the opening size of the exhaust fan of the integrated ceiling is the same size as an aluminum gusset plate of the integrated ceiling, 300 * 300, now there are ordinary exhaust fans of the ceiling on the market, the panel size of 300 * 300 is used, and the size of the exhaust fan of the ordinary ceiling is to follow the size of the imperial system, the main household is 8 inches, 10 inches, 12 inches, this size mainly refers to the panel size, The size of the opening is generally 210 * 210, 235 * 235, 280 * 280 such sizes, the exhaust volume is also a difference in size, the designer of static electromechanical technology, it is recommended that you choose a bathroom area to match the air volume of the exhaust fan, generally speaking, 10 square meters with 180 cubic meters of exhaust air volume per hour.
Probably not, the heating exhaust fan in the bathroom is on the bath bomb, and the ventilation exhaust fan should be installed on the wall to pump the air out of the bathroom.
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I cannot share it.
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