Shaft seal structure of centrifugal coal slurry pump
A coal slurry pump, centrifugal technology, applied in non-variable pumps, pumps, components of pumping devices for elastic fluids, etc., can solve the problem of shortening the life of double-end sealed rolling bearings, disadvantages, and increasing the load of coal gasifiers and oxygen consumption to achieve the effect of ensuring long life, long life and clear interface
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[0036] Below in conjunction with accompanying drawing, the present invention is described in detail.
[0037] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, 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 blade 5 of the main impeller 1, the partition plate 2, the fixed guide vane 3, the auxiliary impeller 4, the mechanical seal part and the sealing liquid tank part, and the auxiliary impeller 4 Blades 6 are arranged on it, 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 is arranged on the ...
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