VVN fan
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Technical characteristics
- BrandЧЭМЗ
- Country of manufactureRussia
Description
VVN-18 and VVN-20 fans complete systems of gas purification of various technological installations, and also systems of a pyleprigotovleniye of steam stationary coppers of various steam generating capacity at a grinding of solid not explosive fuels with sredneskhodny mills under pressurization.
A series of VVN fans consists of two standard sizes:
| Fan type | Fan type |
| VVN-18 fan | VVN-20 fan |
GENERAL INFORMATION ABOUT BBH FANS
- • High pressure
- • Unilateral absorption
- • The direction of rotation - right and left
- • There are bent shovels back
- • The number of shovels - 16 pieces
OPERATION OF BBH FANS
VVN fans can be operated in rooms and in the open air (a climatic modification At - category of placement 1, in accordance with GOST 15150-69). It is possible to use fans at a temperature in a snail from-30ºС. The maximum temperature of the moved gases on an entrance to VVN fans makes +200ºС. Operation of VVN-18 and VVN-20 fans at dust content of gases is allowed by firm particles no more than 1 g/m ³.
ChEMZ plant delivers fans with a corner of a turn of snails φ=60, 90 and 150º.
| Fan type | Electric motor | Productivity, * 10 ³ m ³ / hour | Total pressure, Pa | Weight without engine, kg | ||
| Engine capacity, kW | Frequency of rotation, Min.-1 | Brand of the electric motor | ||||
| VVN-18 | 500 | 1500 | DAZO4-400U-4U1 | 110 | 10800 | 4600 |
| DAZO4-85/43-4U1 | ||||||
| VVN-20 | 800 | 1500 | DAZO4-450U-4U1 | 150 | 13500 | 5100 |
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VVN fan