阿法拉伐(泵)centrifugal pumps介绍ppt.ppt

Centrifugal Pumps,© Alfa Laval,Slide 2,LKH-Family,,,Ultra Pure,Self Priming,Standard,Multistage,High Pressure,High Inlet Pressure,© Alfa Laval,Slide 3,LKH Pumps Performance,Flow up to 520 m3/h Pressure up to 19 bar,© Alfa Laval,Slide 4,LKH 5 and 80,© Alfa Laval,Slide 5,LKH-Family,© Alfa Laval,Slide 6,LKH,,,,© Alfa Laval,Slide 7,LKH,,,© Alfa Laval,Slide 8,Sanitary Design,© Alfa Laval,Slide 9,Pump Operation Principle,© Alfa Laval,Slide 10,The LKH Pump Casing,© Alfa Laval,Slide 11,Impeller design,Semi-Open impeller design Front edge of impeller vane in inlet makes liquid rotate before entering the pump - which gives low NPSHr Gentle product treatment due to smooth design – close tolerances. Impeller screw as an option Threaded connection to shaft,© Alfa Laval,Slide 12,,Impeller,Impeller screw,© Alfa Laval,Slide 13,Product Wetted Parts,Materials: Stainless Steel AISI 316L (DIN 1.4404) Elastomers : According to FDA ( Food & Drug Administration) EPDM NBR FPM FEP (PTFE),© Alfa Laval,Slide 14,Casing Sealing,© Alfa Laval,Slide 15,Casing Sealing,,Pump Casing O－Ring,© Alfa Laval,Slide 16,LKH Adjustable Range,,360 flexibility with fixed position (6 bolts) security!,© Alfa Laval,Slide 17,LKH Adaptor,Fits all IEC framed motors 1.5 kW to 37 kW The adapter is stainless steel as standard Modular design,Pump Backplate,© Alfa Laval,Slide 18,The LKH Stub Shaft,© Alfa Laval,Slide 19,Mechanical Seals,,,Stationary seal,Rotary seal,,,,© Alfa Laval,Slide 20,Mechanical Seals,,,Remember - Seal faces use product for lubrication and cooling.,,,Rotary seal,Stationary seal,Dry Running !!!!!!!,Friction Heat Wear,,,,,,,,,,,© Alfa Laval,Slide 21,The LKH Shaft Seal,Identical seal for all models LKH 5-60 Available in 3 versions - Single - Flushed - Double mechanical Easy conversion from single to flushed or double mechanical shaft seal,© Alfa Laval,Slide 22,All Seals Fit All Pumps,Front Load design,,© Alfa Laval,Slide 23,Single Shaft Seal,© Alfa Laval,Slide 24,Single Shaft Seal,© Alfa Laval,Slide 25,Mechanical Balanced Shaft Seal,Mechanical: Stat./rot., ring, spring, etc Balanced: Independent of fluid pressure,© Alfa Laval,Slide 26,FSS / DMS,USED when product or application includes any of the following : Sticky / hardening in air Burning on Crystallizing Abrasive High temperature Barrier - Water / Steam,© Alfa Laval,Slide 27,Flushed Shaft Seal,,,,,,,,,,,,,,,,,,,,,,,,,,,Teflon lipseal,Flush medium 0,25 – 0,5 l/m Max. 1 bar pressure,,Hard surface coated drive ring,,© Alfa Laval,Slide 28,,© Alfa Laval,Slide 29,,注水机械密封 可以形成一个注水屏障，如果系统中有真空出现，可以避免气体中的物质透过机械密封污染产品。

© Alfa Laval,Slide 30,Double Mechanical Seal,,,Silicon Carbide,,,,,,,,Flush medium 0,25 – 0,5 l/m Max 5 bar,,,,,,,,,,Product,,© Alfa Laval,Slide 31,LKH External Shaft Seal - FAB: s,© Alfa Laval,Slide 32,LKH External Shaft Seal - FAB: s,© Alfa Laval,Slide 33,LKH Design - FAB: s,© Alfa Laval,Slide 34,LKH Design - FAB: s,© Alfa Laval,Slide 35,LKH UltraPure Pump,Centrifugal Pumps for the international High Purity Market Connections according to the new High Clean BioPharm and US BPE standards,© Alfa Laval,Slide 36,LKH UltraPure Pump Features,Self venting Drainability Seal flushing arrangement Surface finish Traceability,© Alfa Laval,Slide 37,Self Venting (Discharge Angle),45 degree discharge angle Casing is self venting Will not trap air during Steam in Place (SIP),© Alfa Laval,Slide 38,Casing Drain,Provides full drainability of pump casing Short outlet vertical drain Tri-Clamp connection,© Alfa Laval,Slide 39,Special Flush arrangement for WFI,Diaphragm drain valve Flow control valve Optional flow meter Automatic Diaphragm shutoff valve One drain point for casing and seal No dead leg in casing drain,© Alfa Laval,Slide 40,LKH UltraPure - Flush kit,Zero dead leg diaphragm valve,,,Competitor Flush System,© Alfa Laval,Slide 41,Special Flush arrangement for WFI,Failsafe: Seal is flushed when pump is running One drain point for casing and seal No dead leg in casing drain (constant flow) Vertical (bottom - up) fill of stuffing box for air purge,Benefits?,© Alfa Laval,Slide 42,LKH UltraPure Material Traceability,Traceability ( 3.1 cert. ) is available on all product wetted steel parts: • Casing • Back plate • Impeller • Impeller screw • Stationary seal (Roplan) • Rotating seal (Roplan) • Casing drain,© Alfa Laval,Slide 43,LKH UltraPure Traceability - Casing,1. Outlet 2. Ferrule 3. Drain 4. Ferrule 5. Pump Casing/Flange 6. Pump Casing/Ring Channel 7. Pump Casing/front plate,© Alfa Laval,Slide 44,LKH UltraPure Traceability - Casing,© Alfa Laval,Slide 45,LKH UltraPure Traceability - Back Plate,1. Back plate,© Alfa Laval,Slide 46,LKH UltraPure Traceability - Shaft Seal Parts,1. Stationary seal,1. Rotating seal,© Alfa Laval,Slide 47,LKH UltraPure Traceability - Impeller/Screw,Impeller,Impeller screw,,© Alfa Laval,Slide 48,LKH Ultra Pure Pumps,,,LKH-UP Centrifugal Pumps Flow rate up to 90 m3/h Head up to (50 / 60 Hz) 78 / 105 m Inlet Pressure up to 10 bar Viscosity cP 800 Temperature max. °。