Shaft seal structure of centrifugal coal slurry pump
A coal slurry pump, centrifugal technology, applied in non-variable volume pumps, pumps, components of pumping devices for elastic fluids, etc. Consumption, disadvantages and other problems, to achieve the effect of ensuring long life, obvious interface and long life
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[0036] The present invention will be described in detail below with reference to the accompanying drawings.
[0037] In order to make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, but not to limit the present invention.
[0038] like image 3 As shown, the shaft seal structure of the centrifugal coal slurry pump includes the back vane 5 of the main impeller 1, the baffle 2, the fixed guide vane 3, the auxiliary impeller 4, the mechanical sealing part and the sealing liquid tank part. In the auxiliary impeller 4 A blade 6 is arranged on the upper part, a pump cover 32 is arranged above the auxiliary impeller 4, the partition plate 2 is fixedly connected with the pump cover 32, the fixed guide vane 3...
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