COOLING TOWER

PRESENTED BY, T.K.NAGA MANICKAM

CONTENTINTRODUCTIONPRINCIPLETYPESTERMSPROBLEMSAPPLICATIONS

INDRODUCTIONCOOLING TOWER IS AN EQUIPMENT WHICH IS USED TO COOLING WATER WHICH IS USED IN INDUSTRIES.

COOLING WATER SHOULD BE GET ITS ORIGINAL TEMPERATURE FOR RECIRCULATION

PRINCIPLE

AN UNSATURATED GAS PASS THROUGH A WARM LIQUID IT GETS SATURATION ALSO REDUCE THE TEMPERATURE OF THE LIQUID BY HEAT EXCHANGE(EVAPORATION).

THE LATENT HEAT OF WATER REDUCED BYTHE PHASE CHANGE OF WATER.

TYPES OF COOLING TOWERNATURAL DRAFT COOLING TOWERFILL LESS &FANLESS COOLING TOWERMECHANICAL DRAFT COOLING TOWERFORCED DRAFT COOLING TOWERINDUCED DRAFT COOLING TOWER

NATURAL DRAFT COOLING TOWERFANS AND FILL LESS ARE NOT USED

MECHANICAL DRAFT COOLING TOWERFORCED DRAFT COOLING TOWER: A MECHANICAL DRAFT WITH A FAN WHICH FORCES THE AIR INTO THE TOWER.

ADVANTAGE: WORK IN HIGH STATIC PRESSURE CONFINED SPACES BLOW THROUGH ARRANGEMENT.

FORCED DRAFT COOLING TOWER DISADVANTAGE: REQUIRES MORE POWER

INDUCED DRAFT COOLING TOWER A MECHANICAL DRAFT TOWER WITH A FAN WHICH PULLS THE AIR INTO THE TOWER

DRAW THROUGH ARRANGEMENT

INDUCED DRAFT COOLING TOWER

FLOW USED IN COOLING TOWERCROSS FLOW: AIR FLOW PERPENDICULAR TO THE WATER FLOW HOLLOW SPACE BELOW THE FANS

CONTACT LESS < IDCT

CROSS FLOW CROSS FLOW COOLING TOWER

COUNTER FLOWAIR FLOW OPPOSITE TO THE WATER FLOWCONTACT MORE

TERMS DRIFT LOSS SOME AMOUNT OF WATER LOSS AT THE TIME OF EVAPORATION DRIFT ELIMINATOR PACKINGS INCREASE THE CONTACT

PROBLEMSHUMIDITYSUMMER - WATER LOSSWINTER LESS COOLINGSCALINGCORROSION

APPLICATIONS REDUCE THE TEMPERATURE RANGE OF 2.8- 5.6 deg c. RECIRCULATION. VITAL ROLE IN INDUSTRIAL PROCESS.

COOLING TOWERS IN SPICAmmonia Plant 1 Cooling tower with 10 cells 1 Cooling tower for CPP.

Urea Plant 1 Main Cooling tower with 4 cells 1 Carbamate Cooling tower with 1 cell

COOLING TOWERS IN SPIC

Phase II Plants2 Cooling Tower with 4 cells2 FLFL cooling TowerAll cooling towers are Induced Draft type towers.

QUESTIONS

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