S, SH single-stage double-suction centrifugal pump is a horizontal open pump, for conveying water or other physical and chemical properties similar to water, according to user needs, by changing the pump structure and material can be used to transport more muddy water or various types Corrosive liquids, this series of pumps for factories, mines, urban water supply and drainage, power plants, farmland irrigation and drainage and various water conservancy projects. This article Keywords: pump
Calcium carbide is an inorganic substance, the chemical formula is CaC2, the main component of calcium carbide, white crystals, industrial products are gray-black lumps, and the cross section is purple or gray. It reacts violently when encountering water, generating acetylene and releasing heat. Calcium carbide is an important basic chemical raw material, mainly used to produce acetylene gas. Also used in organic synthesis, oxyacetylene welding, etc.
Acetylene produced by the reaction of calcium carbide with water can synthesize many organic compounds such as synthetic rubber, synthetic resin, acetone, ketene, carbon black, etc.; at the same time, acetylene-oxygen flame is widely used in metal welding and cutting.
Store in a cool, dry and well-ventilated warehouse. Keep away from fire and heat sources. The relative humidity is kept below 75%. The packaging must be sealed and protected from moisture. It should be stored separately from acids and alcohols, and avoid mixed storage. The storage area should be equipped with suitable materials to contain the leakage.
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1, allowable working pressure of 2.5Mpa; that is, the pump inlet pressure + pump head ≤ 2.5Mpa. According to the pump casing to withstand the maximum pressure, pump body and pump cover material using gray cast (1.6Mpa).
2, medium: temperature ≤ 105 ℃ water or other physical and chemical properties similar to water other liquids (solid particles 80mg / L).
1, sealed with grease lubrication of rolling bearings, easy maintenance, long running time.
2, with a constant oil level cup, can also be thin oil lubrication.
3, the choice of imports (SKF, NSK, NTN) high-quality bearings, smooth operation, shower sound low, long service life. Compact structure, good stability. The pump is open in the pump housing structure, import and export are in the pump body, the only need to lift the pump cover, rotor components can be removed for maintenance operations, without the need to dismantle the pipeline, is very convenient. According to the needs of the motor (driver) can be at the left and right at the convenience of on-site installation. Shorten the axial structure of the rotor size, the shaft of the steel better, more stable and reliable operation. Pump body seal ring, and impeller seal ring is optional. Sealing ring can be replaced after wear and tear, reducing the operation and maintenance costs.