Fire fire smoke is widely used in the fire smoke exhaust system.Users should pay attention to some matters during use.If these phenomena are ignored, unnecessary trouble will bring unnecessary trouble to the operation of fired fire smoke.1. It has the nature and use of the conveying gas.Different types, such as fire fire smoke, explosion -proof 2. Fire fire smoke has a variety of import and export directions and multiple transmission methods.When choosing, you should choose the direction and transmission method correctly.3. The performance parameters of the samples and directory of fire smoke products are generally not stipulated, which is the value in the indicator.When the operating conditions are not a standard state, the performance should be converted first.4. The working point of the selected fire smoke should be within the higher point or efficient range of the efficiency characteristic curve.5. The performance of a qualified product is that the total voltage value is less than 8%at a given traffic.When selecting the type, the amount of air leakage and resistance calculation error caused by the tightness of the channel system should be considered.In order to ensure the reliable operation, the air volume and wind pressure of the system should increase a certain amount of rain, but it should not be too high.7. When choosing a supporting motor, consider the safety factor of the motor capacity.8. If the installation location is limited, the size should be considered when choosing.9. For places that require strict and quiet (such as hospitals, comprehensive offices, theaters, kindergartens, etc.), low noise should be selected, such as cabinet type 10. In the same type produced by various manufacturers in China, you should choose high efficiency, good quality, price price, price, pricesuitable
The above is the problem that the selection of fire exhaust fan should be paid attention to