Leak-free centrifugal pump
A centrifugal pump, no leakage technology, applied in the field of centrifugal pumps, can solve problems such as mechanical seal leakage, packing seal leakage, increase maintenance frequency and maintenance cost, and achieve the effect of ensuring stable operation and ensuring no leakage
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[0008] Below in conjunction with accompanying drawing, specific embodiment of the present invention is described in further detail
[0009] As shown in the figure, a non-leakage centrifugal pump includes a pump casing 1. The pump casing 1 is provided with a water outlet 2 and a water inlet 3. A rotating shaft 4 is installed in the pump casing 1, and the end of the rotating shaft 4 is installed with a Working impeller 5, a pump cover 6 is installed on the end surface of one side of the pump casing 1, the rotating shaft 4 passes through the pump cover 6, the rotating shaft 4 is covered with a shaft sleeve 7, and the distance between the shaft sleeve 7 and the inner hole wall of the end cover 1 is from the inside to the outside A labyrinth seal 8 and an oil seal 9 are installed in sequence, an oil seal gland 10 is installed on the outer end surface of the pump cover 6, and the oil seal gland 10 squeezes the oil seal 9, and a sealing impeller 11 is arranged between the working impe...
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