What are the components of the B5B system (five-prevention gas extraction system)?

Variable pressure extraction type five-proof exhaust system

The "variable pressure extraction type five-proof exhaust valve" is installed at the kitchen and bathroom exhaust duct air inlet to complete the air The conversion between dynamic pressure and static pressure inside the fluid expressed by the dynamic Bernoulli equation is realized at the air inlet of the five-proof exhaust valve, so that a negative pressure is formed at the air inlet when the kitchen range hood or exhaust fan is not turned on. Or the static pressure decreases; when the kitchen range hood or exhaust fan is turned on, a jet is generated at the air inlet, causing negative pressure or a decrease in static pressure in the pipe. Effectively increases the exhaust gas volume and prevents smoke backflow.

The composition of the variable-pressure air-extracting five-proof exhaust system

The variable-pressure air-extracting five-proof exhaust system consists of:

1. Air-extracting hood;

2. Five-proof valve;

3. Range hood;

4. Exhaust pipe (finished pipe or L-shaped component enclosed with the wall Formed) composed of four major parts.

Principle of Wanju's variable pressure and air-pulling five-proof system

The "variable pressure and air-pulling five-proof exhaust valve" is installed at the air inlet of the exhaust duct to complete the aerodynamics The conversion between dynamic pressure and static pressure inside the fluid expressed by Bernoulli's equation is realized at the air inlet of the exhaust valve, causing a negative pressure or static pressure reduction at the air inlet when the range hood or exhaust fan is not turned on. Small; when the range hood or exhaust fan is turned on, a jet is generated at the air inlet, causing negative pressure or a reduction in static pressure in the pipe. Effectively increases the exhaust gas volume and prevents smoke backflow.

Scope of application

Applicable to kitchens and bathrooms in new multi-story, mid-rise, high-rise, and super-high-rise residential buildings; exhaust duct systems for bathrooms in office buildings and hotels.

Apply to kitchens and bathrooms in existing multi-story, mid-rise, high-rise, and super-high-rise residential buildings; bathroom exhaust duct system renovation in office buildings and hotels.

Hope to adopt it, thank you