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Designed for ventilation of dead-end coal and ore mine workings, including mine workings with gas and dust hazard

VMEVV FAN

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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).

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.

TECHNICAL SPECIFICATIONS