Configuration fire temperature exhaust fan having equal diameter diffuser exhaust fan-shaped inner core and the outer cylinder of dispersion, its not as good as on a diffuser effect, but because it is a large exhaust fan schematic layout technology is also applicable in the exhaust pipe of a diameter greater than the outer diameter of the fan case. Fire temperature exhaust fan familiar with how to install the full sample exhaust fan Blower, familiar fan specifications, form, impeller rotation direction and the direction of airflow in and out, etc., before the wind turbine installation should be checked whether the collision phenomenon impeller exhaust fan, and to conduct a comprehensive inspection of the components, the attachment is complete, whether the firm connection of the components, carefully check whether the blades before installation due to shipping damage or deformation, or should be repaired. Shenglong air conditioning (Figure), a large exhaust fan, exhaust fan Xuchang provided by the Texas Shenglong ventilation and air conditioning plant. Texas Shenglong ventilation and air conditioning plant (www.fengguan666.com) (www.dzsltfkt.com) in Shandong Province, Texas Teng Chong Industrial Park. Scraps and development in the wave of market economy, the current Shenglong air conditioning has a high profile in fan, ventilation equipment, and enjoys a good reputation. Shenglong air conditioning made the whole network business alliance certification, marking our service and management level has reached a new height. Shenglong air conditioning all the staff willing to work with all people of insight and common development, for a better future.