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Mining Pump Anti-Abrasive Cr28 Cr27 Long Life High Chrome Cast Iron Pump Parts
Introduction
The slurry pump parts consists wet parts, sealing parts, bearing assembly, pedestal and other parts.
In slurry pump, Wet Parts means the lining parts which contact with fluid media, usually it include impeller, volute, frame plate, throat bush. There parts will easily get corrosived or abrasived when working and get repalced every periods.
Usually the pump parts are made of iron, steel, bronze, brass, aluminum, plastic etc. For Slurry pumps they are normally made of High chrome alloy, elastomer, polyurethane, ceramic and some other customed. But High chrome alloy and elastomer are now the main material for the slurry pumps. Recent years some companies are trying to make wet parts by ceramics and many data come from labs and mills show that the ceramic wet parts can work for a longer time than high chrome alloy.
Slurry Pump Main parts:
• Impeller - front and rear shrouds have pump out vanes that reduce recirculation and seal contamination.
Hard metal and molded rubber impellers are complete interchangeable. Cast in impeller threads require no
inserts or nuts. High efficiency and high head designs are also available.
• Liners - Easily replaceable liners are bolted, not glued, to the casing for positive attachment and ease of
maintenance. Hard metal liners are completely interchangeable with pressure molded elastomers. Elastomer
seal rings back all liner joints.
• Throat Bush - Wear is reduced and maintenance simplified by the use of tapered mating faces to allow
positive accurate alignment during assembly and simple removal.
• Bearing assembly - A large diameter shaft with short overhang minimizes deflection and contributes to long
bearing life. Only four through bolts are required to hold the cartridge type housing in the frame.
| Rubber Pumps Material | Metal Pumps Material | ||||
| No | Part | Material | No | Part | Material |
| 1 | Base | Cast Iron | 1 | Base | Cast Iron |
| 2 | Shaft | 4140 High Tensile Steel* | 2 | Shaft | 4140 High Tensile Steel* |
| 3 | Bearing Assembly | Timken (Cast Iron Body) | 3 | Bearing Assembly | Timken (Cast Iron Body) |
| 4 | Shaft Sleeve | 420 Stainless Steel | 4 | Shaft Sleeve | 420 Stainless Steel |
| 5 | Pump Casing | Cast Iron | 5 | Pump Casing | Cast Iron |
| 6 | Frame Plate Liner Insert | Rubber | 6 | Frame Plate Liner | 27% Chrome White Iron |
| 7 | Cover Plate Liner | Rubber | 7 | Volute Liner | 27% Chrome White Iron |
| 8 | Impeller | Rubber Coated High Tensile Steel | 8 | Impeller | 27% Chrome White Iron |
| 9 | Throat Bush | Rubber | 9 | Throat Bush | 27% Chrome White Iron |
| 10 | Cover Plate | Cast Iron | 10 | Joint Rings | Rubber |
| 11 | Stuffing Box | Cast Iron | 11 | Cover Plate | Cast Iron |
| 12 | Expeller | 27% Chrome White Iron | 12 | Stuffing Box | Cast Iron |
| 13 | Expeller Ring | Natural Rubber | 13 | Expeller | 27% Chrome White Iron |
| 14 | Bolts | Zinc Plated Steel | 14 | Expeller Ring | Natural Rubber |
| 15 | O-rings | Nitrile Rubber | 15 | Bolts | Zinc Plated Steel |
| 16 | Seals | Rubber | 16 | O-rings | Nitrile Rubber |
| 17 | Seals | Rubber | 17 | Seals | Rubber |
Application range
Concentrating/metallurgical plant: it deliveries a variety of slurries.
Sand plant: it feeds water and mineral sands to all kinds of classifying and dehydrating equipments.
Coal preparation plant: it deliveries coal pulps; it also classifies, screens and conveys materials of heavy medium.
Ceramic and glass plant: it is used to convey porcelain clay and sands, feed hydraulic cyclone, and dispose effluent.
Steel plant: it conveys slurry, rust and corrosive liquid