Liquid head, m 30.0 25.0 Pump curve 77 Efficiency 20.0 79 80 79 15.0 77 10.0 5.0 System curve 0.0 0 10 20 30 40 50 60 60 Flow-rate, m³/h Figure 2: Pump characteristics 70 80 1.1. A process liquid is pumped from a storage tank (P1) to a distillation column (P2) using a centrifugal pump, see Figure 1. The pipeline is 80 mm internal diameter commercial steel pipe, 100 m long. Miscellaneous losses are equivalent to 600 pipe diameters. The storage tank operates at atmospheric pressure and the column at 1.7 bara. The lowest liquid level in the tank will be 1.5 m above the pump inlet, and the feed point to the column is 3 m above the pump inlet. Plot the system curve on the pump characteristic given in Figure 2 and determine the operating point and pump efficiency. Properties of the fluid: density 900 kg/m³, viscosity 1.36 mN/m²s. (20) P1 Liquid Level P2 Z2 Vessel 2 Z₁ Vessel 1 Pump Figure 1: Pipeline diagram Datum
Liquid head, m 30.0 25.0 Pump curve 77 Efficiency 20.0 79 80 79 15.0 77 10.0 5.0 System curve 0.0 0 10 20 30 40 50 60 60 Flow-rate, m³/h Figure 2: Pump characteristics 70 80 1.1. A process liquid is pumped from a storage tank (P1) to a distillation column (P2) using a centrifugal pump, see Figure 1. The pipeline is 80 mm internal diameter commercial steel pipe, 100 m long. Miscellaneous losses are equivalent to 600 pipe diameters. The storage tank operates at atmospheric pressure and the column at 1.7 bara. The lowest liquid level in the tank will be 1.5 m above the pump inlet, and the feed point to the column is 3 m above the pump inlet. Plot the system curve on the pump characteristic given in Figure 2 and determine the operating point and pump efficiency. Properties of the fluid: density 900 kg/m³, viscosity 1.36 mN/m²s. (20) P1 Liquid Level P2 Z2 Vessel 2 Z₁ Vessel 1 Pump Figure 1: Pipeline diagram Datum
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
Related questions
Question
Transcribed Image Text:Liquid head, m
30.0
25.0
Pump curve
77
Efficiency
20.0
79
80
79
15.0
77
10.0
5.0
System
curve
0.0
0
10
20
30
40
50
60
60
Flow-rate, m³/h
Figure 2: Pump characteristics
70
80
Transcribed Image Text:1.1. A process liquid is pumped from a storage tank (P1) to a distillation column (P2)
using a centrifugal pump, see Figure 1. The pipeline is 80 mm internal diameter
commercial steel pipe, 100 m long. Miscellaneous losses are equivalent to 600
pipe diameters. The storage tank operates at atmospheric pressure and the
column at 1.7 bara. The lowest liquid level in the tank will be 1.5 m above the
pump inlet, and the feed point to the column is 3 m above the pump inlet.
Plot the system curve on the pump characteristic given in Figure 2 and
determine the operating point and pump efficiency. Properties of the fluid:
density 900 kg/m³, viscosity 1.36 mN/m²s.
(20)
P1
Liquid
Level
P2
Z2
Vessel 2
Z₁
Vessel 1
Pump
Figure 1: Pipeline diagram
Datum
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