In recent years, people's living standards continue to improve, while consumption, indoor air quality is also facing increasingly sophisticated threats, more and more people on the air requirements of products from the "cool" on the basis of functionality to more fully , extending more personalized service upgrade direction, individual air-conditioning products can not meet the needs of the market. Changes in the market require companies to shift from selling air conditioning sell healthy air, in this context, Haier air conditioning in the industry first to complete the transition to the air by the air conditioning industry, offering a full category of products to meet the individual, fragmented demand, which is an important factor in its winning several major appliance business in Shandong approved. Positive pressure blower is pointing escape corridor air supply fan. It outdoor air pressure into the interior. When the building is on fire, it will produce a lot of smoke, carbon monoxide and other toxic gases and block the line of sight, through positive pressure blower air to escape the fire stairs, indoor smoke can not reach the stairs, to create conditions for people to escape. Positive pressure blower is typically mounted on top of the building, Handan blower with positive pressure damper linkage layers. Initial fire damper is opened, HL3 blower, start positive pressure blower, so that stairwells, elevator hall in positive pressure (blowing state). Usually the layers in the building air shaft set louver, axial blower, blowing windows do with different layers of the open air shaft, blower manufacturers, set single double, to ensure pressure; or outlet pressure, sometimes with manual and remote control device, can control the air supply. Axial blowers, blower Handan, rich ventilation equipment from Dezhou rich ventilation plant. Dezhou rich ventilation plant (www.frtfsb.com) (www.frtfsb.com) strong, credible, Shandong Texas fan, ventilation equipment industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead rich ventilation equipment into the brilliant and you work for a better future!