0102030405
??????????? ??? ?? ??? ??? ?? ??????
2024-09-14
centrifugal ????? ??? ?? ??? ????? ?? ????? ??? ??? ?? ?????? ??????????? ?? '?? ????? ???
??? ????? ??centrifugal ??????????? ???? ??? ?? ????? ??? ???? ?? ?? ??????:
1.??????? ????
1.1 ??? ????
- ??????: ???? ????, ????, ?????, ????
- ???????: ?? ??? '?? ??? ?????? ?? ???? ????, ??? ?? ?????? ??? ????? ??? ??? ????????? ??? ?? ????? ????? ???
1.2 ??????
- ??????: ???? ????, ????, ?????, ????
- ???????: ?????? ??centrifugal ??????? ????? ??? ?? ??? '?? ???? ?????? ???? ????? ????? ??: ???, ???-??????? ??? ????????
- ?????? ?? ?????: ??? ??????? ??? ????????? '?? ????? ???? ???, ?? ??? '?? 5-12 ???????
1.3 ????
- ??????: ??? ???? ???? ? ????.
- ??????: ???? ????????? ??? ?? ???? ??? ?????? ??? ????? ????
1.4 ?????? ????
- ????: ??????? ??? ??? ?????? ????
- ??????: ??? ????? ??? ????.
1.5 ????????
- ????: ?????? ??????? ??? ???????? ????????
- ??????: ????? ?? ????? ???? ?? ??? ??? ??????? ???
2.??? ??? ?? ??????
2.1 ??? ??? ?? ???? ???? ???? ????? ??
- ???? ????? ????: ??? ????? ???? ????? ??? ?? ???? ???? ???? ????? ??, ?? ??? '?? ???? ???? ??? ???? ???? ??????
- ???? ????? ????: ??? ???????????? ??? ??????? ????? ?? ???? '?? ??????? ???? ??? ???
2.2 ?????? ??? ??? ???? ???? ??
- ?????? ????: ??? ??????? ??? ????????? '?? ????? ???? ???, ?? ??? '?? 1450 RPM ??? 2900 RPM (?????????? ????? ????) '???
- ??????????? ????: ?????? ???? ????? ???? ??? ???? ???? ?????? '?? ?????? ??, ??? ??? ??? ??????????? ???? ????? ???? ???? ????? ???
2.3 ??? ??? ???? ?? ???? ??? ?????? ??
- ????? ???????: ???????? ??? ?????? ?? ?????? ???? ?? ??? ???? ??? ?????? ?? ??? ??? ?? ???? ?? ???? ????? ???? ???? ????? ???
- ????? ???????: ?????? ?? ??????? ??? ?? ??? ???? ??? ???? ???? ???? ???? ???? ??? ???? ???
2.4 ??? ???? ??? ??? ??????? ???? ???
- ???? ?? ??????? ????: ??? ??? ?????? ???? ??? ????? ????? ?? ??? ???? ???? ???? ????? ????? ??, ??? ???? ?? ?????? ???? ????? ??? ?? ???? ??? ??????? ???? ????? ???
- ??????? ????: ??? ???????????? ??? ??????? ????? ?? ???? '?? ??????? ???? ??? ???
3.???? ?????? ?? ????????
3.1 ??????? ???? ???????
- ?????? ??????: ??? ?????? ?? ????? ?? ???? ??????? ???? ?????? ???? ??, ??? ???? ??? ?? ????? ???
- ??????? ???? ???????:( E_k = \frac{1}{2} mv^2 )
- (E_k): ??????? ????
- (m): ??? ????
- (v): ??? ???
3.2 ???? ???? ???????
- ?????? ?? ??????: ?????? ???? ??? ???? ??, ??? ??? ???? ???? ???? ???? ??? ????? ???
- ?????? ??????( P + \frac{1}{2} \rho v^2 + \rho gh = \text{constant} )
- (??): ????
- (\rho): ??? ????
- (v): ??? ???
- (g): ??????????? ??????
- (h): ????
4.???????? ??????
4.1 ?????? (Q)
- ????????:centrifugal ???????? ????? ???? '?? ?????? ???? ?? ??? ?? ??????
- ?????: ?? ???? ????? ???? (m3/h) ??? ???? ????? ????? (L/s)?
- ?????: ??? ???? ??? ????????? '?? ????? ???? ???, ?? ??? '?? 10-5000 m3/h?
4.2 ???? (H)
- ????????:centrifugal ?????? ?? ???? ??? ????? ?? ???.
- ?????: ???? (??).
- ?????: ??? ???? ??? ????????? '?? ????? ???? ???, ?? ??? '?? 10-150 ????.
4.3 ???? (??)
- ????????:centrifugal ??????? ????.
- ?????: ??????? (kW)?
- ???? ???????:( P = \frac{Q \times H}{102 \times \eta} )
- (Q): ???? ?? ?? (m3/h)
- (H): ???? (m)
- (\eta): ??? ?? ??????? (?? ??? '?? 0.6-0.8)
4.4 ??????? (η)
- ????????: ??? ?? ???? ??????? ????????
- ?????: ????????(%)?
- ?????: ?? ??? '?? 60% -85%, ??? ??????? ??? ????????? '?? ????? ???? ???
5.????? ?? ????
5.1 ??????? ???? ?????
- ????: ?????? ?? ????? ????????? ???? ????? ??? ???? ???? ?????? ???????
- ????: ?? ??? '?? 500-3000 m3/h?
- ????: ?? ??? '?? 30-100 ????.
5.2 ??????? ???? ?? ?????
- ????: ??????? ?????? ???? ?????? ???? ????????? ????? ???? ????? ????? ???
- ????: ?? ??? '?? 200-2000 m3/h?
- ????: ?? ??? '?? 20-80 ????.
5.3 ???????? ??????
- ????: ??? ?? ???? ?????? ?? ?????? ??????????
- ????: ?? ??? '?? 100-1500 m3/h?
- ????: ?? ??? '?? 10-50 ????.
5.4 ??????? ???? ?????
- ????: ?????? ??????? ?? ?? ????? ????????? ???? ????? ????? ???
- ????: ?? ??? '?? 50-1000 m3/h?
- ????: ?? ??? '?? 20-70 ????.
????? ???????? ???? ??? ????????? ?? ??? ??? ????? ??? ?????? ???centrifugal ????? ?? ??? ??? ?? ?????? ??? ???-??? ??????????? ???? ???? ?????????? ??? ??? ?? ?????