What are the adjustment methods of positive pressure air supply outlet in dust-free environment?

The use of positive pressure air intakes in large floor top air supply or partial cooling, such as airport waiting rooms, indoor sports grounds, buildings and other occasions has the benefits of induced ventilation, rapid wind speed attenuation, in the air conditioning and ventilation system, it can be used in very large air volume, large temperature difference to supply air, less number of air outlet equipment, equipment in the ceiling or ceiling, can be used in low environment within meters, can also be used in two heights to supply air over a large area, high enough to reach above the meter. In the clean room equipment positive pressure air supply, we need to do the binding is the equipment positive pressure air supply air outlet flanging and ceiling between the joint gap between the implementation of gasket device, the critical areas with cracks need to be treated strictly. Do not carry out equipment if the positive pressure air supply outlet is damaged or the coating is damaged. The positive pressure air supply outlet equipment and the spiral wind pipe need to be connected strictly, open end with plastic film and tape to strengthen the air treatment.

A positive pressure air supply outlet is installed in the stairwell of each floor. After a certain floor is on fire, its upper and lower floors and the positive pressure air supply outlet of this floor are opened, and the positive pressure air supply outlet starts, smoke and fire valves are generally installed in the ventilation system and air-conditioning system room fire compartment degrees of the fire valve, usually open, when the air duct temperature reached 70 degrees is automatically closed. Positive pressure air supply is divided into manual and electric, according to the materials used: iron plate, galvanized plate, aluminum alloy plate, stainless steel plate four kinds, valve body structure and standard size, according to the personnel stay in the activities of the area, the temperature difference between supply air and indoor air can be selected in the range of -1 to -6 ° C in the case of replacement supply air, fresh air directly into the personnel working area, the air flow spread along the floor, it is transported upward by convection along the heating body when it encounters a person or an electrical appliance.