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Classification of ventilation types
10-04-2019
Ventilation is divided into natural ventilation and mechanical ventilation according to the power of air flow. Natural ventilation The power of ventilation is the "hot pressure" produced by the difference b...
How to Choose Dust Collector for Evaporative Air Cooler
08-04-2019
1. Selection according to the amount of treated gas The most decisive factor to decide the size and type of dust collector is the amount of gas to be treated. For the amount of air, it is necessary to select a dus...
Drying method of DC geared motor after damp
04-04-2019
The DC geared motor is not used for a long time. When it is re-enabled, it will find that the insulation resistance of the geared motor winding is reduced. Especially in the rainy season, the air humidity is high, and it...
How to Select Specification Type of Negative Pressure Fan
04-04-2019
1. According to the material of the negative pressure fan, the negative pressure fan can be roughly divided into two kinds: galvanized sheet and FRP shell. Galvanized sheet is square belt type and FRP is trumpet type dir...
How to judge whether the motor is burnt out or not when it is overheated
03-04-2019
Common causes of overheating: 1. Motor overload, overload operation. 2. The motor has been running without phase. 3. The power supply voltage is too high or too low! Over the range of motor voltage allowed to chan...
Knowledge Points of Permanent Magnet Motor
03-04-2019
Note:Permanent magnet motor is not only a kind of permanent magnet synchronous motor, but also has three basic types: direct current permanent magnet, brushless direct current permanent magnet and permanent magnet synchr...