Centrifugal fans of the main ventilation shaft ВЦ and ВЦД
ВЦ and ВЦД centrifugal fans are designed for main ventilation in mining industry operated at the temperature of carried air of 228 up to 323 ºK, dust content of up to 150 g/ m3 and relative air humidity of up to 98 per cent (at 298 ºК) at the height of up to 1000 m above sea level.
The fans may be applied at other industrial plants providing air supply with the parameters con-cerned.
The fans may be applied for suction and delivery ventilation schemes. Depending on the ways of parameters adjustment fans can be designed as follows:
- • H – guide apparatus adjustment;
- • B – adjustment of rotor rotation frequency;
- • Ф – change of fan wheel blade configuration;
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