In order to protect environment,kitchen ventilator with deep shade and kitchen ventilator with centralized flue should get further researched and developed.

Numerical simulation and analyses of fire mechanical smoke extraction in large space;

Aiming at the new provisions about smoke control and extraction in the Code for fire protection design of buildings,based on the detailed analysis of fire hazard and evacuate condition of the polyester filament spinning workshop,considers it feasible not to install the mechanical smoke extraction in such space.

Simulates the smoke propagation under natural and mechanical smoke extraction modes in the worst situation of fire happening in the middle part of the underground railway with shield door.

The influence of fire smoke behavior upon exhaust fan performance was theoretically studied.

Experimental studies on efficiency of mechanical exhaust and water sprinkler system in compartment fire;

Comparison of a new heat pressure smoke exhaust system and a mechanical exhaust system in residential kitchens;

Study on the effect of fire suppression by coupling mechanical exhaust and water mist in subway carriage

This paper analyses the problems about the control of the mechanical smoke extraction system,and discusses the problem about smoke fire dampers and smoke exhausting fans.