F - Mech Eng,Light,Heat,Weapons – 04 – D
Patent
F - Mech Eng,Light,Heat,Weapons
04
D
103/105
F04D 17/08 (2006.01) F04D 7/04 (2006.01) F04D 29/08 (2006.01) F04D 29/22 (2006.01) F04D 29/44 (2006.01)
Patent
CA 1286916
Abstract A centrifugal pump is proposed for handling li- quids carrying solid abrasive particles a casing of which has a flow-through portion formed by a dischar- ge passage and a flow-through passage of an impeller accommodated inside the casing. The discharge pas- sage is confined by two side walls of the casing, front and rear relative to the incoming flow of the liquid being transferred, and by a peripheral wall of the casing integral with the front and rear walls. The geometry of the peripheral wall of the casing follows the law of distribution of solid abrasive particles in the flow-through portion of the pump. The flow-through passage is formed by a carrying disk mounted on a drive shaft and having vanes secured thereto, and by a driven disk secured on the vanes. The proposed centrifugal pump, when used for trans- ferring a liquid carrying the beneficiation products of kimberlit ore having a mixture density of 1200 kb/m3, volume concentration of solids So=0.125, and size of solid particles 50 mm, has a service life of the casing of 750 hours. A centrifugal pump embodying the features of the present invention and used in a beneficiation mill producing copper concentrate pumped an ore material of the first stage of comminution having a mixture density of 1500 kg/m3, volume concentration of so- lids So-0.2 and the size of solid particles to 1.0 mm, exhibited a casing service life of 926 hours.
557026
Karachaban Nikolai G.
Karakhanian Vladimir K.
Kljuzhin Evgeny A.
Kopelyansky Vladimir B.
Kuznetsov Oleg V.
Karachaban Nikolai G.
Karakhanian Vladimir K.
Kljuzhin Evgeny A.
Kopelyansky Vladimir B.
Kuznetsov Oleg V.
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