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渣漿泵的型式該如何選擇
泵的型式選擇是根據(jù)泵的性能、安裝要求、介質(zhì)性質(zhì)及使用要求進(jìn)行選擇的。型式選擇也是很重要的，如果選擇不當(dāng)就會無法滿足使用安裝要求。
一、從性能選擇泵的型式
(1)當(dāng)揚(yáng)程不是很高(H<150m)，比轉(zhuǎn)速n=30~280時，可選澤單級單吸的離心泵。
(2)當(dāng)揚(yáng)程較高的情況下H大于50m，可考慮選用多級離心泵，當(dāng)H大于150時，一般需選用多級離心泵。
(3)當(dāng)流量較大情況下宜選用雙吸離心泵。
(4)當(dāng)揚(yáng)程較低(5~20m)，流量又較大，比轉(zhuǎn)速ns=250~600時可考慮選用混流泵。
(5)當(dāng)揚(yáng)整很低(H 10m)而流量又很大(Q大于1000m3/h)，比轉(zhuǎn)速ns=600-2000時應(yīng)考慮選用軸流泵。
(6)當(dāng)流量很小，揚(yáng)程很高的情況下，可選用旋渦泵或部分流泵。
需要說明的是，以上給出的流量、揚(yáng)程范圍值，僅是大致的范圍值，因流量大的泵揚(yáng)程可以高些,而流量小的泵揚(yáng)程就較低些,同時就是同樣流量揚(yáng)程值也可以選擇不同型式的泵，需要根據(jù)樣本上的參數(shù)來確定。 渣漿泵廠家
How to choose the type of slurry pump
The type of pump is selected according to the performance, installation requirements, medium properties and use requirements of the pump. The type selection is also very important. If not properly selected, it will not meet the use and installation requirements.
I. select pump type from performance
(1) when the lift is not very high (H < 150m) and the specific speed is n = 30 ~ 280, the single-stage single suction centrifugal pump can be selected.
(2) when the head is high, h is more than 50m, multi-stage centrifugal pump can be considered. When h is more than 150, multi-stage centrifugal pump is generally required.
(3) when the flow is large, double suction centrifugal pump should be selected.
(4) when the head is low (5-20 m) and the flow is large, and the specific speed is ns = 250-600, the mixed flow pump can be selected.
(5) when the hoisting is very low (H 10m) and the flow is very large (q is greater than 1000m3 / h), and the specific speed ns = 600-2000, the axial flow pump should be considered.
(6) when the flow is very small and the head is very high, vortex pump or partial flow pump can be selected.
It should be noted that the range values of flow and head given above are only approximate range values. Because the pump head with large flow can be higher, while the pump head with small flow can be lower. At the same time, different types of pumps can be selected for the same flow head value, which needs to be determined according to the parameters on the sample Slurry pump manufacturer
