ventilation system

Building environment control technology products

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Ventilation is controlled by means of ventilation dilution or ventilation elimination Air pollutants It is a kind of building environment control technology to realize indoor and outdoor air environment quality assurance. Ventilation system is to realize the function of ventilation, including air inlet, air outlet, air supply duct Fan , cooling and heating, filter, control system and other auxiliary equipment.

Chinese name: ventilation system
Foreign name: ventilation system

System classification: Classification by ventilation power: natural ventilation
Agriculture: Vegetable greenhouses, large-scale breeding, botanical gardens, etc
Location classification: Centralized and distributed power

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one System classification
two system function

System classification

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Classification by ventilation power: natural draft 、 mechanical ventilation ；

ventilation system

According to the ventilation service scope: General ventilation 、 Local ventilation ；

Classification according to air flow direction: air supply (inlet) and exhaust (smoke);

Common ventilation equipment (5 sheets)

Classification by ventilation purpose: general ventilation, hot air heating, detoxification and dust removal, accident ventilation, protective ventilation, building smoke control, etc;

Classified according to the location of power: power centralized and Power distribution 。

system function

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First, use outdoor fresh air to update indoor air polluted by living and living processes, so as to maintain the cleanliness of indoor air to a certain minimum standard.

Second, increase internal heat dissipation and prevent discomfort caused by wet skin. Such ventilation can be called Thermal comfort Ventilation.

Third, when the indoor temperature is higher than the outdoor temperature, the building components will be cooled. This kind of ventilation is called building cooling ventilation.

Important areas where ventilation plays a role

application area	give an example
underground space	Urban rail transit (including subway), underground complex, tunnel, civil air defense works, etc
Clean technology	Semiconductor industry, precision machinery, aerospace, printing, medicine, pharmacy, genetic engineering, etc
Safety ventilation	Mine ventilation, fire prevention and smoke exhaust, ventilation against terrorist attacks, etc
Ventilation of industrial buildings	Cigarette factory, automobile manufacturing, casting workshop, etc
Agriculture	Vegetable greenhouses , large-scale breeding, botanical garden, zoo, etc
Special areas	Hydropower station, communication machine room, etc

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