Fbd Mining Explosion proof Ventilation Fan Yu Fan Factory

Description :

　　FbdMining explosion-proof type press in counter rotating axial flow local ventilation fan Yu Fan Factory

　　FbdMining explosion-proof typeCompression type mining counter rotating fanIt is a new generation of energy-saving local ventilation fan developed and produced by Tai'an Yufeng Fan Manufacturing Co., Ltd. based on the summary of the existing domestic counter rotating axial flow fan structure and technical performance.

　　Purchase oneFbdMining explosion-proof type press in counter rotating axial flow local ventilation fanPlease come to Tai'an Yucheng!

　　FBD explosion-proof press in axial flow local ventilation fan is one of the specialized equipment for coal mines. This fan has explosion-proof function and is widely used and recognized by various large coal mines, The FBD series explosion-proof press in counter rotating axial flow local ventilation fan for mining is a new type of widely used local ventilation fan. This type of fan has the advantages of compact structure, low noise, and high efficiency. This type of fan has strong adaptability. Due to the installation of two electric motors, each driving an impeller, it can operate as a whole machine or be used in a single stage. Therefore, using this type of fan can reduce energy consumption. The ventilation fan is a coal mine explosion-proof type, with explosion-proof mark: Exd1 structure and working principle: the fan is composed of a collection port, explosion-proof motor, impeller, etc. The outer shell and inner cylinder components of the fan are welded with steel plates, and the two electric motors are connected to the air duct by flanges with bolts. All levels of soundproof air ducts are connected by bolts. Connected by flanges and bolts, the structure is compact, sturdy, durable, and safe to use. The electric motor is YBE Explosion proof three-phase asynchronous motor for series fans, secondary, voltage level 380/660V, cooled by the airflow conveyed by the impeller. The explosion-proof type of the motor is coal mine explosion-proof type, with explosion-proof mark: Exd1. The FBD series mining counter rotating axial flow local ventilation fan consists of two or more working hosts, with two or more stages of impellers rotating in opposite directions.

　　FbdMining explosion-proof type press in counter rotating axial flow local ventilation fanIt can be used flat on the bottom plate of the roadway or suspended on the wall of the roadway. The gas temperature of its use environment is -20~40 ℃. The dust content of the gas passing through this product should not exceed 200mg/m3. It should be installed in the intake airflow with a gas concentration of less than 1% underground in coal mines. When the gas concentration exceeds 1%, the power should be immediately cut off. The FBD series mining counter rotating axial flow local ventilation fan consists of two or more working hosts, with two or more stages of impellers rotating in opposite directions: the first stage impeller rotates clockwise and the second stage impeller rotates counterclockwise. The air obtains energy from the first stage impeller and is pressurized by the second stage impeller before being sent out. In addition to increasing airflow energy, the secondary impeller also has the function of static guide vanes in ordinary axial flow fans. While obtaining the velocity component in the circumferential direction of the guide, it smooths out the airflow impact, increases airflow energy, reduces wake vortices, and lowers noise. Compared with similar products in China, it reduces A-level noise by 10-20 decibels and has stable performance, making it safer and more reliable.

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