technical NOTES
SELECTION OF SINGLE STRING v/s DOUBLE STRING PREHEATER ...
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Preheater for raw meal preheating before feeding to kiln in cement manufacturing process can be single string or Double string. ...
A Typical Techno-commercial comparison of single string v/s Double string preheater System: S. N. Parameters Unit Plant 1 Plant ...
S. N. Parameters Unit Plant 1 Plant 2 Single String Double String 26 Weight of Refractories (TAD, Calciner with Exit Duct, PH Cy ...
Note: Operating cost shall be validated with present condition. Form the above figures; it is clear that double string preheate ...
PROCESS DUCT SIZING CRITERIA ...
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Efficient and well-designed process duct system handle the air properly through out the system without any fluctuation in the pr ...
Ducts Velocity M/Sec Bag house to fan 16-18 Chimney 10-12 VRM Coal Mill Circuit Hot Air duct to Mill Inlet 16-18 Mill Outlet to ...
ROTARY SCREW AND RECIPROCATING COMPRESSORS ...
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Air is used in cement industry for operation of various equipment like, pneumatic cylinders, aeration systems, dense phase or le ...
Figure 1 Figure 2 10.2 Reciprocating Compressor A Reciprocating compressor uses a moving piston in an enclosed cylinder. In a si ...
10.3 Comparison The typical technical comparison between the reciprocating and screw compressor are shown in below table. 6 1R ...
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6 1R 6FUHZ7\SH 5HFLSURFDWLQJ7\SH S.N. Description Reciprocating Screw 1 Capacity Till 10000 m3/hr Till 40000 m3/hr 2 Pre ...
S.N. Description Reciprocating Screw 9 Air discharge Pulsating so require costly piping Continuous 10 Noise level Higher than 85 ...
S. N. Make UOM Reciprocating Screw Energy Cost for 1000 CFM per year @ 8000 Hrs/Year & Power tariff as above Lakhs 97.20 63. ...
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