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Difference between revisions of "Slurry Pumps"
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[[File:Slurry_pump1.jpg|thumb|right|Slurry Pump]] | |||
[[File:Slurry_pump2.jpg|thumb|right|Installed Slurry Pumps]] | |||
A '''Slurry pump''' is a type of centrifugal pump in physics principle that increases the pressure of liquid and solid particle mixture (aka slurry), through centrifugal force (a rotating impeller) and converts | |||
electrical energy into slurry potential and kinetic energy. | |||
==Types== | |||
Grouped by | |||
*1. impeller quantity: single stage and multistage slurry pump | |||
*2. shaft position from the horizontal: horizontal and vertical slurry pump | |||
*3. impeller suction way: single suction and double suction slurry pump | |||
*4. pump casing structure: solid casing, horizontal split-case, and vertical split-case slurry pump | |||
==Industries== | |||
Slurry pump are widely used to transport corrosive/abrasive and high concentration slurry in many industries such as: | |||
Gold, Silver, iron ore, Lead&Zinc, Mineral sands, Tin, Steel, Titanium, Molybdenum, Copper, Electric Utilities, Oil Shale, Water&Sewage Utilities, Building areas, Coal, Sand&Gravel, Tobacco, Agriculture (hog, poultry, dairy manure), etc. | |||
===What slurry pump to use=== | |||
*Determine before selecting appropriate slurry pump: | |||
*Capacity | |||
*Head | |||
*Solids handling capacity | |||
*Efficiency and PowerSpeed | |||
*NPSH | |||
==Components== | |||
===Impeller=== | |||
The impeller, either elastomer or high-chrome material, is the main rotating component which normally has vanes to impart the centrifugal force to the liquid. | |||
===Casing=== | |||
Split outer casing halves of cast contain the wear liners and provide high operation pressure capabilities. The casing shape is generally of semi-volute or concentric, efficiencies of which are less than that of the volute type. | |||
===Shaft and Bearing Assembly=== | |||
A large diameter shaft with a short overhang minimizes deflection and vibration. Heavy-duty roller bearing are housed in a removable bearing cartridge. | |||
===Shaft sleeve=== | |||
A hardened, heavy-duty corrosion-resistant sleeve with O-ring seals at both ends protects the shaft. A split fit allows the sleeve removed or installed quickly. | |||
===Shaft Seal=== | |||
Expeller drive seal, Packing seal, Mechanical seal | |||
===Drive Type=== | |||
V-belt drive, gear reducer drive, fluid coupling drive, and frequency conversion drive devices | |||