Designed for ventilation of dead-end coal and ore mine workings, including mine workings with gas and dust hazard
VMEVV FAN
VMEVV FAN APPLICATION
Two-stage counter-rotating axial local ventilation fans VMEVV-7, VMEVV-8, VMEVV-12, VMEVV-14 with explosion-proof removable motor correspond to the requiremens of TU3146-014-72370116-2011.
Designed for ventilation of dead-end coal and ore mine workings, including mine workings with gas and dust hazard, at air density up to 1,3 kg/m3, temperature from 253К to 308К, dust content up to 50 mg/m3 and relative humidity up to 95% (at a temperature of 298К).
Designed for ventilation of dead-end coal and ore mine workings, including mine workings with gas and dust hazard, at air density up to 1,3 kg/m3, temperature from 253К to 308К, dust content up to 50 mg/m3 and relative humidity up to 95% (at a temperature of 298К).
Explosion-proof electric motors
First stage impeller
housing
Second stage impeller
Fan skids for ground mounting
Outlet nozzle
Protection bar on the fan inlet
VMEVV fan design
The fan consists of a stage impeller, housing with integrated knife edges, skids, integrated removable motor with a special terminal box supplied with the motor, nozzle, enclosing structure, manifold, and noise mufflers.
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The electric motors are installed in the boring housing and secured by six radial edges and four tie rods.
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Impellers, each with 10 and 8 leaf blades welded to the wheel rim, are mounted on the motor shaft with feather key and end washer.
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The fan is connected to the pipe column by means of a nozzle on which the rubberized pipes are secured with a clamp.
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The fan housing is equipped with arrows indicating the direction of air flow and the direction of the wheel rotation.
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The current from the mains is brought by cable type KOGESH through the terminal boxes.
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For ease of transportation and installation, the fan is mounted on skids and equipped with brackets on the housing to hang it from the mine roof.
The electric motors are installed in the boring housing and secured by six radial edges and four tie rods.
—
Impellers, each with 10 and 8 leaf blades welded to the wheel rim, are mounted on the motor shaft with feather key and end washer.
—
The fan is connected to the pipe column by means of a nozzle on which the rubberized pipes are secured with a clamp.
—
The fan housing is equipped with arrows indicating the direction of air flow and the direction of the wheel rotation.
—
The current from the mains is brought by cable type KOGESH through the terminal boxes.
—
For ease of transportation and installation, the fan is mounted on skids and equipped with brackets on the housing to hang it from the mine roof.
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AERODYNAMIC CHARACTERISTICS
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