Nội dung
Quick Start Guide
Overview
Pumping System Components
Pumping System Principles
Overview
The Fact Sheets
Assessing Pumping System Needs
Common Pumping System Problems
Indications of Oversized Pumps
Piping Configurations to Improve Pumping System Efficiency
Basic Pump Maintenance
Centrifugal Pumps
Positive Displacement Pump Applications
Multiple Pump Arrangements
Pony Pumps
Impeller Trimming
Controlling Pumps with Adjustable Speed Drives
Section 1: Pumping System Basics
Overview
Pumping System Components
Pumping System Principles
Section 2: Performance Improvement Opportunity Roadmap
Overview
The Fact Sheets
Assessing Pumping System Needs
Common Pumping System Problems
Indications of Oversized Pumps
Piping Configurations to Improve Pumping System Efficiency
Basic Pump Maintenance
Centrifugal Pumps
Positive Displacement Pump Applications
Multiple Pump Arrangements
Pony Pumps
Impeller Trimming
Controlling Pumps with Adjustable Speed Drives
Section 3: The Economics of Improving Pumping Systems
Overview
Conduct a Systems Assessment
Analyze Life-Cycle Costs Before Making a Decision
Sell Your Projects to Management
Overview
Conduct a Systems Assessment
Analyze Life-Cycle Costs Before Making a Decision
Sell Your Projects to Management
Section 4: Where to Find Help
Overview
DOE Industrial Technologies Program and BestPractices
Hydraulic Institute
Directory of Contacts
Resources and Tools
Overview
DOE Industrial Technologies Program and BestPractices
Hydraulic Institute
Directory of Contacts
Resources and Tools
Appendices
Appendix A: Glossary of Basic Pumping System Terms
Appendix B: Pumping System Assessment Tool (PSAT)
Appendix C: Pumping Systems Tip Sheets
Appendix D: Guidelines for Comments
Appendix A: Glossary of Basic Pumping System Terms
Appendix B: Pumping System Assessment Tool (PSAT)
Appendix C: Pumping Systems Tip Sheets
Appendix D: Guidelines for Comments
List of Figures
Figure 1. Typical Pumping System Components
Figure 2. Key to the Fact Sheets
Figure 3. Illustration of the Sensitivity of Flow to Changes in Backpressure
Figure 4. Drooping Performance Curve
Figure 5. Cavitation in a Centrifugal Pump
Figure 6. Two Types of Sealing Methods: Packing and Mechanical Seals
Figure 7. Common Pipe Configuration Problems and How To Correct Them
Figure 8. Flow Straighteners
Figure 9. Proper Support of Suction and Discharge Piping
Figure 10. Centrifugal Pump Performance Curves
Figure 11. Family of Pump Performance Curves
Figure 12. Performance Curves for Different Impeller Sizes
Figure 13. Performance Curves for a 4x1.5-6 Pump Used for Water Service
Figure 14. Multiple Pump Operation
Figure 15. Multiple-Speed Pump Performance Curves
Figure 16. Typical Tank Level Control
Figure 17. Effect of Impeller Trimming on Pump Performance
Figure 18. Effects of Reducing Speed on a Pump’s Operating Characteristics
Figure 19. Power Lost through a Bypass Line
Figure 20. Fluid Power Lost across a Throttle Valve
Figure 21. Using a Pump Performance Curve To Determine Power Draw
Figure 1. Typical Pumping System Components
Figure 2. Key to the Fact Sheets
Figure 3. Illustration of the Sensitivity of Flow to Changes in Backpressure
Figure 4. Drooping Performance Curve
Figure 5. Cavitation in a Centrifugal Pump
Figure 6. Two Types of Sealing Methods: Packing and Mechanical Seals
Figure 7. Common Pipe Configuration Problems and How To Correct Them
Figure 8. Flow Straighteners
Figure 9. Proper Support of Suction and Discharge Piping
Figure 10. Centrifugal Pump Performance Curves
Figure 11. Family of Pump Performance Curves
Figure 12. Performance Curves for Different Impeller Sizes
Figure 13. Performance Curves for a 4x1.5-6 Pump Used for Water Service
Figure 14. Multiple Pump Operation
Figure 15. Multiple-Speed Pump Performance Curves
Figure 16. Typical Tank Level Control
Figure 17. Effect of Impeller Trimming on Pump Performance
Figure 18. Effects of Reducing Speed on a Pump’s Operating Characteristics
Figure 19. Power Lost through a Bypass Line
Figure 20. Fluid Power Lost across a Throttle Valve
Figure 21. Using a Pump Performance Curve To Determine Power Draw
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