Operator's Manual High Pressure Breathing Air Compressors

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1.2. THEORETICAL PRINCIPLES Fig. 1 Pressure-- and temperature increase 2 Operator’s Manual When the piston moves into the cylinder, the pressure rises in the cylinder. At the same time however, the temperature of the enclosed gas also rises. This is a basic physical law (Gay--Lussac). Since with increasing pressure, the occuring temperatures would soon reach inadmissibly high values, the compression has to be divided into various stages. After every stage the gas is cooled back to approx. 10 -- 15 °C above ambient temperature. This is the main reason for designing compressors with 3 or 4 stages.
Operator’s Manual By dividing the compression work into various stages it results in a lower power requirment. This is visible in the p--v diagram. Fig. 2 shows the power requirement with a theoretical 1 stage compression to 200 bar. Fig. 3 shows the power requirement with a3stagecompressionandthesavedwork. 200 bar Fig. 2 P--V Diagram 200 bar 1 bar P P 1 bar Fig. 3 Saving of work 3. Stage 2. Stage 1. Stage V 200 bar 1 bar P Ideal theoretical isothermal compression V actual polytropic compression saving of work By dividing the compression work it not only saves energy, but it also increases the operating safety due to a lower thermical load. V 3
Page 1: Operator’s Manual High Pressure B
Page 4 and 5: TABLE OF CONTENTS ii Operator’s M
Page 6 and 7: TABLE OF CONTENTS iv Operator’s M
Page 8 and 9: ANNEX vi Operator’s Manual Import
Page 12 and 13: 1.3. DESIGN AND MODE OF OPERATION 1
Page 14 and 15: Fig. 5 Air flow diagram Utilus, Cap
Page 16 and 17: NOTES 8 Operator’s Manual
Page 18 and 19: 2.2. NOTES AND WARNING SIGNS Notes
Page 20 and 21: • Completely remove all covers /
Page 22 and 23: 3. INSTALLATION, OPERATION 3.1. INS
Page 24 and 25: 3.2.1. Locating the unit -- If poss
Page 26 and 27: 18 Power (kW) V=50m 3 Δh =2m Room
Page 28 and 29: 3.4. ARTIFICIAL VENTILATION 20 Oper
Page 30 and 31: Fig. 16 and Fig. 17 show installati
Page 32 and 33: 3.6. TAKING INTO OPERATION 3.6.1. P
Page 34 and 35: 3.7. FILLING PROCEDURE 3.7.1. Gener
Page 36 and 37: 3.7.7. Filling the bottles 28 WARNI
Page 38 and 39: 4. MAINTENANCE 4.1. MAINTENANCE REC
Page 40 and 41: 5.2. MAINTENANCE RECORD 32 Operator
Page 42 and 43: 6.5.1. Changing the lube oil for pr
Page 44 and 45: 8. TROUBLE -SHOOTING Trouble Cause
Page 46 and 47: 9. FILTER SYSTEM P21 9.1. DESCRIPTI
Page 48 and 49: 9.5. GENERAL INSTRUCTIONS FOR FILTE
Page 50 and 51: 10. FILTER SYSTEM P41 AND P61 10.1.
Page 52 and 53: 10.2.2. Oil and water separator The
Page 54 and 55: 10.2.5. SECURUS indicator unit Func
Page 56 and 57: 10.3. FILTER MAINTENANCE 10.3.1. Ge
Page 58 and 59: 10.3.4. SECURUS filter replacement
Page 60 and 61:
11. TRANSPORTING COMPRESSED AIR CYL
Page 62 and 63:
The automatic device consists of a
Page 64 and 65:
NOTES 56 Operator’s Manual
Page 66 and 67:
Page 68 and 69:
Page 70:
2. TYPE OF OIL Lubricating oil list
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