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渣漿泵的幾種常用結(jié)構(gòu)分段式多級(jí)泵
如圖2-15所示，這種結(jié)構(gòu)泵使用也極廣泛。它實(shí)際上相當(dāng)于將幾個(gè)葉輪裝在一根軸上串聯(lián)工作，所以泵的揚(yáng)程可以比較高，每個(gè)葉輪均有相應(yīng)的導(dǎo)葉。第一級(jí)葉輪一般是單吸的，但為了改善泵的汽蝕性能，可將第一級(jí)葉輪 制成雙吸。泵的軸承在泵軸的兩端支承，功率小的泵用滾動(dòng)軸承，功率大的泵用滑動(dòng)軸承，稀油潤(rùn)滑，甚至需要用強(qiáng)制潤(rùn)滑方式。軸向力的平衡常采用平衡盤結(jié)構(gòu)或平衡鼓結(jié)構(gòu)。采用平衡盤結(jié)構(gòu)時(shí)，整個(gè)轉(zhuǎn)子可以左右竄動(dòng)，靠平衡盤自動(dòng)的將轉(zhuǎn)子維持在平衡位置上。少數(shù)還有采用平衡孔結(jié)構(gòu)。渣漿泵廠家
Several commonly used structure of slurry pump
As shown in Figure 2-15, this kind of structural pump is also widely used. In fact, it is equivalent to several impellers installed on a shaft in series, so the pump head can be relatively high, and each impeller has corresponding guide vanes. The first stage impeller is generally single suction, but in order to improve the cavitation performance of the pump, the first stage impeller can be made into double suction. The bearing of the pump is supported at both ends of the pump shaft, the rolling bearing for the pump with small power, the sliding bearing for the pump with large power, thin oil lubrication, and even forced lubrication. The balance of axial force usually adopts the structure of balance disk or balance drum. When the balance plate structure is adopted, the whole rotor can move left and right, and the balance plate can automatically maintain the rotor in the balance position. A few of them use balance hole structure. Slurry pump manufacturer
