Content
1. DESCRIPTION
1.1 HISTORY
1.2 BENEFITS
1.3 DISADVANTAGES
1.4 MAIN AREAS OF USE
2. BASICS
2.1 WHY ARCHIMEDEAN SCREW PUMPS?2.2 PRINCIPLE OF CONVEYANCE
2.3 IMPORTANT TERMS AND ABBREVIATIONS
2.4 BASIC CONTEXTS AND QUALITIES
2.5 LAYOUT
3. CONSTRUCTIONAL CHARACTERISTICS
3.1 THE SCREW
3.2 BEARINGS
3.3 DRIVE UNITS
3.4 SIDE PROFILE
3.5 TROUGH DESIGN
3.6 EYELET
3.7 EQUIPMENT
3.8 PRODUCTION CHARACTERISTICS
3.9 BUILDING
4. PRODUCTION PROCESS SCREWPUMP
5. INSTALLATION WORKFLOWS
5.1 SCREW WITH STATIONARY TROUGH
5.2 SCREW WITH PREFABRICATED CONCRETE SEGMENTS
5.3 SCREW WITH TILED TROUGH
5.4 SCREW WITH A BACKFILLED STEEL TROUGH
5.5 OPEN COMPACT SCREW
5.6 CLOSED COMPACT SCREW
5.7 TUBE-MANTLED SCREW PUMP
5.8 SPECIAL APPLICATION
6. SPECIAL REQUIREMENTS
6.1 OPERATIONAL REQUIREMENTS
6.2 CHEMICAL REQUIREMENTS
6.3 MECHANICAL REQUIREMENTS
6.3 HYGIENIC REQUIREMENTS
6.3 HYDRAULICAL REQUIREMENTS
6.6 SPECIAL REQUIREMENT: SHORT INSTALLATION TIME
6.7 FLOATING SLUDGE SCRAPING AND RECIRCULATION
7. TROUBLES
7.1 ENGINE DOES NOT START
7.2 ENGINE RUNS ONLY SHORTLY
7.3 ENGINE DOES NOT START AFTER A SHORT SHUT DOWN
7.4 ABRADE NOISES DURING STARTING PERIOD7.5 PERMANENT ABRADE NOISES7.6 CAPACITY TOO LOW
7.7 CAPACITY TOO HIGH
7.8 MOTOR IS TURNING, THE SCREW IS NOT TURNING
7.9 GEARBOX OVERHEATED
7.10 BLADE KNOCKING
7.11 ESAPE OF GREASE OF THE UPPER BEARING
7.12 TALL DEMAND OF GREASE
7.13 TOO LOW DEMAND OF GREASE
7.14 LARGE BELT WEAR
8. OPTIONS OF RECONSTRUCTION
8.1 RENOVATION SCREW PUMP
8.2 RENOVATION TROUGH
8.3 PROCEEDING
9. COMPARISON WITH CENTRIFUGAL PUMP
9.1 MAINTENANCE
9.2 RELIABILITY
9.3 EFFICIENCY
9.4 CONTROL RANGE
9.5 POLLUTION, CLOGGING, ABRASION, ENTWINEMENT
9.6 PUMPING MEDIUM
9.7 INVESTMENT COSTS
9.8 NOISE DEVELOPMENT
9.9 ADVANTAGES OF CENTRIFUGAL PUMPS
10. ENERGY GENERATING SCREWS
10.1 HISTORY
10.2 SPECIFICS
11. SUPPORTING MATERIAL FOR THE EDUCATION
12. TEXT FOR INVITATION TO TENDER
13. FORMULARY
14. TABULATIONS
15. ABOUT THE AUTHOR
16. OVERVIEW OF THE FIGURES
17. INDEX
