
Slurry pump - guard plate
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Slurry pump accessories include impeller, pump body, pump cover, rear guard plate, shaft sleeve, positioning sleeve, water seal ring, packing gland, stuffing box, bracket, auxiliary impeller, decompression cover, labyrinth ring, etc.
The main working parts of the slurry pump are pump body, impeller and volute. The impeller device in the pump body is located on the shaft and connected with the motor to form a whole. When the motor drives the impeller to rotate, the blades in the impeller force the fluid to rotate, thereby forcing the pressure potential energy and kinetic energy of the fluid to increase. At the same time, under the action of inertial force, the fluid flows from the center to the edge of the impeller, and flows out of the impeller at a high speed, and reaches the purpose of transportation through the discharge pipeline. There are roughly two types of materials for slurry pump accessories: metal and rubber. Metal materials commonly used in slurry pumps are divided into cast iron, ductile iron, high chromium alloy, stainless steel and so on. Rubber materials are divided into: natural rubber, synthetic rubber, nitrile rubber, etc. Industrial cast iron generally has a carbon content of 2% to 4%. Carbon exists in the form of graphite in cast iron, and sometimes in the form of cementite. In addition to carbon, cast iron also contains 1% to 3% silicon, as well as manganese, phosphorus, sulfur and other elements. Alloy cast iron also contains nickel, chromium, molybdenum, aluminum, copper, boron, vanadium and other elements. Carbon and silicon are the main elements affecting the microstructure and properties of cast iron.
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