Chapter III: Preface: vii

I. SYSTEMS AND APPLICATIONS OF PNEUMATIC CONVEYING 1

II. DETAILS OF PLANT—PUMPS, EXHAUSTERS AND AIR FILTERS 10

III. DETAILS OF PLANT (CONTD.)—DISCHARGERS, PIPE LINES AND SUCTION
NOZZLES 28

IV. TYPICAL INSTALLATIONS FOR GRAIN 45

V. PNEUMATIC COAL HANDLING PLANTS 54

VI. THE INDUCTION CONVEYOR 62

VII. STEAM JET CONVEYORS 72

VIII. MISCELLANEOUS APPLICATIONS OF PNEUMATIC CONVEYING 80

BIBLIOGRAPHY 105

INDEX 107

ILLUSTRATIONS

FIG. PAGE

Intake end of Pneumatic Conveyor, with rise and fall
adjustment _Frontispiece_

1. King’s pneumatic system. Steam-driven air pump 12

2. Sturtevant rotary blower 17

3. Nash “Hydro-Turbo” exhauster 19

4. Sturtevant “Cyclone” dust separator 21

5. Automatic bag filter 23

6. Mollers’ air filter 24

7. Sturtevant wet filter 26

8. Fixed discharger with glass receiver 30

9. Sturtevant patent junction 33

10. Course taken by material round bend 35

11. Segment-back bend 35

12. Lobster bend 35

13. King full-way junction valve 37

14. Suction nozzles for high pressure systems 40

15. Sturtevant equipment removing wood refuse from double tenoning
machine 41

16. Sturtevant equipment removing dust from sand papering machines 42

17, 18. Ancient and Modern 46

19. Typical grain-handling plant 47

20. Floating pneumatic transport plant 49

21. Portable pneumatic plant on railway truck 50

22. Portable railway plant in operation 52

23. Pneumatic unloading of coal 55

24. Discharger for coal conveying plant 57

25. Brady steam jet ash conveyor 75

26. Typical Lamson inter-communication carrier 82

27. Tube central in wholesale drug house 87

28. Lamson distributing station 88

29. Stationary turbo-exhauster with dust separator 91

30. Portable turbo-exhauster 91

31. Suction cleaning for railway carriage cushions 93

32. Sturtevant equipment for office cleaning 93

33, 34. Air-lift pumping 98

PNEUMATIC CONVEYING