← RETURN TO CATALOG

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

VMEVV FAN

Order

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.

—
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.

TECHNICAL SPECIFICATIONS

	VME VV-7-2×37	VME VV-7-2×45	VME VV-7-2×55	VME VV-8-2×90	VME VV-12-2×75	VME VV-12-2×160	VME VV-14-2×90	VME VV-14-2×160
Nominal impeller diameter, MM	700	700	700	800	1200	1200	1400	140
Nominal feed, m³/s	7	9	11	13,5	20	34	23	36
Nominal total pressure, Pa	6000	6400	6000	8000	4900	5000	6000	6400
Maximum total efficiency factor	0,84	0,84	0,85	0,85	0,84	0,85	0,84	0,84
Electric drive power, kW	37х2	45х2	55х2	90х2	75х2	160х2	90х2	160х2
Rotation speed, min-1	3000	3000	3000	3000	1500	1500	1500	1500
Length, mm	2010	2010	2010	2200	2700	2700	3200	3200
Width, mm	930	930	930	1100	1500	1500	1800	1800
height, mm	1200	1200	1200	1400	1650	1700	1800	1850
Fan unit weight, kg, not exceeding	1450	1500	1570	1800	2800	3500	3500	4000
Feeding within the working area (min, max)	...