Hydraulic Ram Pumps,9781853391729

Hydraulic Ram Pumps

by ; ; ; ; ; ;
ISBN13: 9781853391729
ISBN10: 1853391727
Format: Paperback
Pub. Date: 1992-12-01
Publisher(s): Practical Action Pub
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Summary

Step-by-step instructions on designing, installing and operating water supply systems based on hydraulic ram pumps. With illustrations and diagrams, and details of a pump designed for local manufacture and notes for those developing their own model.

Table of Contents

Acknowledgements
Introduction to the ram pump
1(10)
Components of a ram pump system
1(1)
The ram pump
2(2)
General characteristics of ram pump systems
4(7)
Efficiency and power
4(2)
Pump size
6(1)
Water quality
6(1)
Life and reliability
7(1)
Tuning to suit site conditions
8(1)
Economic factors
8(1)
Social factors
9(2)
Ram pumps in water supply systems
11(8)
Renewed interest
11(1)
Local manufacture
12(1)
Other technologies for water supply
13(3)
Water-powered pumping
13(1)
Gravity feed
14(1)
Rainwater harvesting
14(1)
Wind- and solar-powered pumping
15(1)
Manual and animal-powered pumping
15(1)
The place of ram pumps
16(3)
Preliminary system design
19(18)
Suitable areas
19(2)
What to look for
19(1)
Allowing for floods
20(1)
Site surveying
21(1)
Pump selection
22(1)
Intake design
23(3)
Spring intakes
23(1)
Stream intakes --- dams and weirs
24(1)
Run-of-river intakes
25(1)
Settling tank
26(1)
Drive system
27(10)
Feed pipe
29(1)
Drive tank
29(2)
Drive pipe
31(1)
Pump
32(1)
Pump base
32(1)
Pump house
33(1)
Delivery manifold
33(1)
Delivery pipe
33(2)
Distribution system
35(2)
Design assessment procedure
37(12)
Notes on stage A
38(2)
Flow chart of system design process
40(2)
Notes on stage B
42(1)
Notes on stage C
43(1)
Notes on stage D
44(3)
Notes on stage E
47(2)
System construction
49(24)
Spring intakes
49(3)
Foundations
50(1)
Construction
50(2)
Stream intakes using dams
52(2)
Rock and cement dam
52(1)
Gabion dam
53(1)
Components of a dam
53(1)
Run-of-river intake
54(1)
Feed pipe
54(1)
Flood overflow
55(1)
Settling tank
56(2)
Size
56(2)
Pipe connections to the settling tank
58(1)
Drive tank construction
58(6)
Foundations of the drive tank
59(1)
The overflow of the drive tank
59(1)
Pipe connections to the drive tank
60(1)
Screens and covers
61(1)
Types of tank
62(2)
Drive pipes
64(1)
Pump base and pump house
65(2)
Pump installation
67(1)
Fixing details
67(1)
Connection to delivery manifold
67(1)
Delivery pipe and manifold
68(1)
Distribution system
69(1)
Storage tanks
69(1)
Standpipes
70(1)
Pipe joints
70(3)
Plastic to plastic
70(1)
Steel to steel
70(1)
Plastic to steel
70(1)
Flexible hose
71(2)
System commissioning and operation
73(10)
Before starting a ram pump
74(1)
Starting a ram pump
74(2)
If all else fails
75(1)
Stopping a ram pump
76(1)
Measuring pump performance
76(1)
Measuring the drive flow
77(1)
Tuning for best performance
77(1)
Routine inspection and maintenance
78(2)
Checking the pump(s) monthly
78(1)
Checking the pump(s) quarterly
79(1)
Checking the system monthly
79(1)
Annual system maintenance
80(1)
Pump repair
80(1)
Problem solving and fault finding
81(2)
Local pump manufacture
83(10)
Buy or make?
83(1)
The manufacture of the DTU steel ram pumps
83(2)
Workshop facilities
85(1)
Quality control
85(1)
Assembly of the DTU pumps
85(3)
Assembly, step-by-step
86(2)
Designing a customised ram pump
88(5)
The air vessel
88(1)
Delivery valve design
89(1)
Types of delivery valve
90(1)
Impulse valve design
91(2)
Case studies --- Nepal and Zaire
93(6)
Nepal
93(3)
Organisation and community participation
94(1)
Sample DCS (Nepal) Survey Form
95(1)
Zaire
96(3)
Appendix A: Some currently available ram pumps 99(4)
Appendix B: DTU steel pump performance charts 103(2)
Appendix C: Sources of further information 105(4)
Appendix D: Surveying and pipe sizing 109(8)
Measuring height/head
109(3)
Measuring linear distances
112(1)
Measuring flows
112(1)
Determining internal pipe diameter/head loss
113(4)
Appendix E: The DTU plastic irrigation pump 117(4)
Appendix F: Design drawings for DTU steel pumps 121

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