Centrifugal pump for chemical industry
2003
The utility model relates to a pump, in particular to a chemical engineering eccentric pump for transporting petroleum, liquefied petroleum gas and other mediums used in petroleum refinery, petrochemical industry and chemical engineering etc. The eccentric pump comprises a pump body, a mechanical sealing, a bearing, an impeller, a pump shaft and a pump cover, which is characterized in that: an abrasion resistant lining pipe is arranged in the inner cavity of the pump body, and a pump body abrasion resistant lining board and a pump cover abrasion resistant lining board are respectively arranged between the impeller and the pump body and the pump cover. The single-stage single-entry chemical engineering eccentric pump can not only bear a high pressure of about 9Mpa in coal chemical industry, but also meet the requirements of high-order orbit and high pressure and abrasion resistant performance, thereby prolonging the repairing and maintenance period and lowering the production cost. The utility model relates to a pump, particularly a centrifugal pump for chemical industry which is used for conveying petroleum, liquefied petroleum gas, and other medium in trade of petroleum refinement, petrochemical industry, chemical industry, etc. The utility model comprises a pump body, a mechanical seal, a bearing, an impeller, a pump shaft and a pump cover. The utility model is characterized in that the inner chamber of the pump body is provided with a wear resistant lining tube; a pump body wear resistant lining board and a pump cover wear resistant lining board are arranged between the impeller and the pump body. The single-stage and single-suction centrifugal pump for chemical industry which is designed as above can meet the requirement of bearing the pressure of high voltage about 9 Mpa in the coal chemical industry field and can meet the requirement of high position, high voltage, and wear resistant performance; thus, the repair and maintenance period is extended, and the production cost is reduced.
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