METHOD OF RECONDITIONING ROTARY PUMP STAGES

FIELD: process engineering. ^ SUBSTANCE: invention relates to machine building, particularly, to rotary pump stage reconditioning. Proposed method comprises turning worn-out surfaces of impeller and diffuser, thermal spraying of antiwear powder to recover initial sizes of impeller and diffuser with...

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Hauptverfasser:	SMIRNOV NIKOLAJ NIKOLAEVICH, SMIRNOV NIKOLAJ IVANOVICH
Format:	Patent
Sprache:	eng ; rus
Schlagworte:	CHEMICAL SURFACE TREATMENT CHEMISTRY COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL COMBINED OPERATIONS DIFFUSION TREATMENT OF METALLIC MATERIAL INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR METALLURGY OTHER WORKING OF METAL PERFORMING OPERATIONS SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION TRANSPORTING UNIVERSAL MACHINE TOOLS
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