Dedusting Fan

Dedusting Fan:

Dedusting fan,,the ventilator applies to the environment containing explosive substances (gas and coal dust) in underground coal mines, and it can be used as the extraction type local ventilation, which can meet the needs of mine ventilation network and safety production. It is used to pump and discharge the local gas accumulation in the underground mines or in combination with the dust removal equipment to eliminate the dust on the working face and change the working environment, and is the ideal equipment for the extraction type local ventilation.

Overall structure

The working principle is that the airflow entering from the front air duct end flows along the axial direction into the I-class impeller, and after being accelerated, the direction is deflected and then flows into theⅡ-class main engine. And the Ⅱ-class main engine is made of major parts such as the Ⅱ-class casing, the Ⅱ-class impeller, the Ⅱ-class motor and so on. The main function of the Ⅱ-class casing and motor is the same as that of the I-class ones. The Ⅱ-class impeller is the core part of the Ⅱ-class main engine to produce the airflow. The working principle is that the airflow from the I-class impeller is deflected into the Ⅱ-class impeller, and after being accelerated, the direction is reversely deflected, and then flows into the muffler tail along the axial direction. And the muffler tail is composed of the diffusion cylinder and the guide cover. The main function is to reduce the local resistance loss of the outlet of the airflow and improve the effective power capability of the fan. The airflow is discharged from the fan along the axial direction through it, and at the same time, acts as a rear muffler.

The dedusting fan can be called the lungs of coal mines "The operational efficiency and reliability of mine fans are the focus of coal mines. Due to the aging of local old mine fans, low operating efficiency, is gradually replaced by high-efficiency and energy-saving fans, a variety of fans came into being, the cyclone is the introduction of foreign 80s new technology after digestion and absorption of mining fans to develop and produce the replacement of products. It is favored by coal mines for its characteristics of high pressure, large flow, high efficiency, compact structure and easy wind resistance. However, after temporary practice, it has been proved that there are still some defects in the rotary axial flow mining fan, and this paper proposes corrective measures for these problems.

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