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渣漿泵廠家通用性能曲線(xiàn)
把不同轉(zhuǎn)速下的Q-H曲線(xiàn)畫(huà)在同一張圖上，并把各轉(zhuǎn)速下效率相等的值投射到相應(yīng)轉(zhuǎn)速的Q-H曲線(xiàn)上，把這些等效值的點(diǎn)連成曲線(xiàn)稱(chēng)為等效率曲線(xiàn)。這種特性曲線(xiàn)稱(chēng)為泵的通用特性曲線(xiàn)，如圖2 -45所示。利用通用特性曲線(xiàn)，就可以方便地確定出在任何一-組(Q、H)值下的轉(zhuǎn)速(n)與效率(η)值。
五、綜合特性曲線(xiàn)
把不同葉輪外徑下的Q B、Q-n關(guān)系曲線(xiàn)表示在同一張圖中， 如圖2 -46所示，稱(chēng)變?nèi)~輪外徑的綜合特性曲線(xiàn)。
同樣，把不同時(shí)開(kāi)安放角度的Q-H、0-η關(guān)系曲線(xiàn)表示在問(wèn)張圖中， 如圖2-4所示，稱(chēng)變角度的綜合特性曲線(xiàn)。渣漿泵
General performance curve of slurry pump manufacturer
The Q-H curves at different speeds are drawn on the same graph, and the values of equal efficiency at each speed are projected onto the Q-H curves at the corresponding speed. Connecting the points of these equivalent values into a curve is called equal efficiency curve. This characteristic curve is called the general characteristic curve of the pump, as shown in Figure 2-45. By using the general characteristic curve, the values of rotational speed (n) and efficiency (η) under any group (Q, H) can be easily determined.
V. comprehensive characteristic curve
The relation curve of Q B and q-n under different impeller outer diameter is shown in the same figure, as shown in figure 2-46, which is called the comprehensive characteristic curve of variable impeller outer diameter.
Similarly, the Q-H, 0-η relation curves with different opening and setting angles are shown in the tension diagram, as shown in Figure 2-4, which is called the comprehensive characteristic curve of variable angle. Slurry pump
