0102030405
????????????? ??????? ?????????? ????????
2024-09-14
????????????? ???????? ???? ???? ????????? ?? ??? ??? ?????????? ???????? ????????????? ??? ?? ????? ??.
??? ??????????????????????? ???????? ??????? ??? ????? ?????? ??????? ???? ?? ???????? ?????:
1.????? ??????
1.1 ????? ?????
- ??????: ?????? ???, ?? ??????? ????, ????, ????.
- ????????: ???????????? ???????? ???????, ????? ???????? ???? ?????? ?? ?? ???????? ?????? ????.
1.2 ????????
- ??????: ?????? ???, ?? ??????? ????, ????, ????.
- ????????: Impeller ??????????????? ???????????? ????? ??????????? ???? ????? ???? ??: ?????, ???? ????? ?? ?????.
- ??? ???: ??????????? 5-12 ???????, ????? ???????? ?? ????? ?? ??????.
1.3 ?????
- ??????: ??? ???????? ???? ???? ?? ?? ??????? ????.
- ??????: ??? ??????????? ?????? ????? ?? ???????? ??????? ?????.
1.4 ?????? ?????? ??????
- ?????: ????????? ??????? ?? ??????? ???????.
- ??????: ???? ?????? ??? ?????????.
1.5 ???????
- ?????: ?????? ??????? ??? ????????? ???????.
- ??????: ?????? ??? ?? ??? ?????? ??? ????.
2.??? ?????? ????????
2.1 ???? ????? ?????? ????? ??
- ?? ????? ?????? ?????: ???? ????? ?????? ????? ?? ??? ???? ????? ??, ??????????? ???? ?? ?? ???? ????? ????.
- ?? ???? ?????????: ????? ???????? ?? ??????? ??????? ?? ?????? ????? ???? ????.
2.2 ???????? ????? ?????? ????
- ??????? ????: ???????????? 1450 RPM ?? 2900 RPM (????????? ??????), ????? ?????? ?? ????? ?? ??????.
- ????????????? ???: ???????? ????? ????? ????? ?? ???? ??????? ??????? ?? ???, ?????? ?????????????? ?????? ?????? ??.
2.3 ???? ????? ???????? ???? ??? ???
- ???? ????????: ??????????? ????? ????????? ??????? ?????? ???? ????? ??? ?? ??? ????? ?????? ?????? ????? ????? ??.
- Volute ????????: volute ?? ?????? ??????? ???? ?????? ???? ?????? ??? ????????? ?????? ?????? ??.
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} )
- (P): ?????
- ( \rho ): ???? ??????
- (v): ????? ????????
- (g): ????????????? ??????
- (h): ??
4.????? ???? ?????????
4.1 ???????? (Q)
- ???? ???????:????????????? ????????? ?????? ??? ??? ???? ???????.
- ????: ???? ?? ????? (m3/h) ?? ??????? ????? (L/s).
- ???? ???: ??????????? 10-5000 m3/h, ????? ?????? ?? ????? ?? ??????.
4.2 ?????? (H)
- ???? ???????:????????????? ???????????? ?? ??? ??????? ??????? ??.
- ????: ????? (m).
- ???? ???: ??????????? 10-150 ?????, ????? ?????? ?? ????? ?? ??????.
4.3 ??? (P)
- ???? ???????:????????????? ??????????? ???.
- ????: ???????? (kW).
- ???? ?????? ??????:( P = \frac{Q \times H}{102 \times \eta})
- (Q): ?????? ??????? (m3/h)
- (H): ?????? (?????)
- ( \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.
??? ???????????? ???? ?? ???????? ?????? ??? ??? ??? ???????? ??? ????????????????? ????????? ??? ?????? ???????? ?? ????? ???????? ??? ????? ????? ?? ?????? ????.