Pumps for Process Industries

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This presentation will give a broad idea about selecting pumps in process industies. Design parameters are also discussed.

Empleo Empresariales Tecnología

PUMPS for Process Industries Ranjeet Kumar M.Tech - Chemical

Equation of Energy ,[object Object],[object Object],[object Object],Impeller Rotating Part Volute Static Part

Types of Pumps ,[object Object],[object Object],[object Object],[object Object],[object Object]

Basis for selection of Pump ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],>>>Capacity & Head required are most important selection criteria and define size of the pump.

Capacity ,[object Object],[object Object],[object Object],[object Object],[object Object]

Centrifugal Pump Design Problem ,[object Object],[object Object],[object Object],[object Object],Benefits of Centrifugal Pumps – low cost, easy maintenance, wide selection, & simple design.

Head of Pump ,[object Object],[object Object],[object Object]

Physical Properties Consideration ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Solid content ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Site Conditions ,[object Object],[object Object],[object Object]

Selection of Pump – Capacity & Head < 200 cSt < 25 m Upto 1 m 3 /h Peristaltic > 2% < 25% < 600 cSt 10500 m < 300 m 3 /h Positive Displacement > 2% < 5% Max 1050 m < 350 m 3 /h Rotary < 2% Upto 20% < 200 cSt Upto 105 m Upto 7500 m 3 /h Centrifugal % Gas Solid Viscosity Head Capacity Type

Flow Rate Design ,[object Object],PFD indicates normal flow rate without any margin & the Maximum flow is Considered for sizing of the pump with margin 30% Waste Heat Boiler pump 25% Boiler Feed water pump 0% Recirculation pump 3-5% Large cooling water pump 0-5% Transfer pumps 0% Intermittent pumps 20-25% Reflux pumps 10% Continuous process pumps Margin Service

Static Head ,[object Object],[object Object],[object Object],1.0 Above 200 0.9 100 – 200 0.7 0 – 100 Pump centre line above ground Flow Rate (m 3 /h)

Pressure Drop for Control Valve ,[object Object],[object Object],[object Object],[object Object],[object Object]

Pressure Drop for Devices 0 Ultrasonic & electromagnetic Flow Meter 0.2 – 0.4 Corilolis Flow Meter 0.2 – 0.4 Vortex 0.02 – 0.05 Venturi Flow Meter 0.25 Orifice Flow meter 0.07 bar (continuous strainer) Y, T or Bucket type Strainer 1.0 bar Air cooler 0.35 – 0.5 bar per shell 0.7 bar per pass in tube side Shell & Tube type Heat Exchanger Press Drop (in bar) Devices in Flow Line

NPSH ,[object Object],[object Object],[object Object],[object Object],[object Object]

NPSHA optimization ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],NPSHR Rotary < NPSHR Centrifuge < NPSHR Reciprocating

Efficiency ,[object Object],[object Object],[object Object],[object Object]

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Pumps for Process Industries

1. PUMPS for Process Industries Ranjeet Kumar M.Tech - Chemical

10. Fig – Types of Impeller

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13. Selection of Pump – Capacity & Head < 200 cSt < 25 m Upto 1 m 3 /h Peristaltic > 2% < 25% < 600 cSt 10500 m < 300 m 3 /h Positive Displacement > 2% < 5% Max 1050 m < 350 m 3 /h Rotary < 2% Upto 20% < 200 cSt Upto 105 m Upto 7500 m 3 /h Centrifugal % Gas Solid Viscosity Head Capacity Type

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19. Pressure Drop for Devices 0 Ultrasonic & electromagnetic Flow Meter 0.2 – 0.4 Corilolis Flow Meter 0.2 – 0.4 Vortex 0.02 – 0.05 Venturi Flow Meter 0.25 Orifice Flow meter 0.07 bar (continuous strainer) Y, T or Bucket type Strainer 1.0 bar Air cooler 0.35 – 0.5 bar per shell 0.7 bar per pass in tube side Shell & Tube type Heat Exchanger Press Drop (in bar) Devices in Flow Line

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Pumps for Process Industries

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