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简要介绍泵按照原理、结构的分类,按照输送介质的分类,按照使用条件的分类。详细阐述离心泵的工作原理,对分段式多级离心泵和单级双吸离心泵的结构特点加以说明,并给出泵类检修中泵体与电机的对中、联轴节的安装,轴承的安装,机械密封的安装,轴套、叶轮的安装的装配尺寸的公差范围。
Brief introduction Pump according to the principle, structure classification, in accordance with the classification of transmission medium, in accordance with the conditions of use of the classification. The working principle of the centrifugal pump is expounded in detail. The structural characteristics of the multistage centrifugal pump and single-stage double-suction centrifugal pump are explained. The installation of the centering and coupling of the pump body and the motor in the pump- Bearing installation, the installation of mechanical seals, bushings, impeller assembly mounting dimensions of the tolerance range.