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Is there any trick when choosing a fire fan?
  • Shanghai Fan Manufacturer
  • Source: 5280tv.com
  • Views: 386 views
  • 挑选消防风机时有什么窍门吗?

    Is there any trick when choosing a fire fan ?
    When it comes to fire fans, many small partners generally have a big head feeling, because there are too many first types of fire fans, and the second is a relatively large technical content. If you choose the wrong one, the corresponding ventilation effect will not be achieved, so In response to this situation, the Shanghai fan manufacturer-Huihong Fan Xiaobian summarized the "Tips for Selecting Fire Fighting Fans"
    1. If the diameter of the selected fan impeller is much larger than the diameter of the original fan, in order to apply the original motor shaft, bearings and bearings, etc., the starting time of the motor, the strength of the original parts of the fan and the criticality of the shaft must be critical. Stop calculations such as speed.
    2. When choosing a centrifugal fire fan, when its electromechanical power is less than or equal to 75KW, it is not necessary to install a valve for startup only. When a low-temperature flue gas or atmosphere is selected and a centrifugal boiler induced draft fan is selected, a valve for starting should be provided to prevent overload during cold operation.
    3. For the ventilation system with a musical tone request, the first choice is to select a fire fan with high effectiveness and low peripheral speed of the impeller, and make it work at the highest effectiveness point. It should also adopt the response method based on the transmission method of noise and vibration generated by the ventilation system. Muffler and damping pace. The damping steps of fire fighting fans and electric motors can usually adopt damping foundations, and use different damping equipment according to different fan device methods.
    4. When choosing a fire-fighting fan, you should only care about preventing the use of fire-fighting fans in parallel or in series. When it is unavoidable, you should choose a combination of fire fighting fans of the same model and function. When serial connection is adopted, there should be a certain pipeline connection between the first-stage fire fan and the second-stage fire fan.
    The above is the "Some Tips for Selecting Fire Fighting Fans" summarized by the Shanghai Fan Manufacturer-Huihong Fan Xiaobian. You can use them in practice, or you can call our manufacturers and we can give you more professional suggestions Looking forward to your call.