24-09-2013, 04:30 PM
Condenser Performance
Condenser .ppt (Size: 1.33 MB / Downloads: 59)
Condenser Performance
POSSIBLE CAUSES OF DEVIATION IN CONDENSER
Air Ingress
Excess Condenser Heat Load
Tube Fouling
Low Circulating Water Flow
Increase in circulating water inlet temperature
caused by:
i) Changes in ambient conditions
ii) Problems with cooling tower performance
Condenser Tube Cleaning Techniques
NEW TECHNIQUE
CONDENSER TUBE CLEANING BY WATER POWERED
CLEANERS.
FEATURES OF CLEANERS
CLEANERS USED ARE HAVING BLADES PROVIDING
OVERLAPPING COVERAGE.
CLEANERS ARE FLEXIBLE AND SUITABLE FOR ALL
TYPE OF TUBE MATERIALS.
CLEANER BLADES PRECISELY MATCH WITH
TUBE INSIDE DIA
EFFECTIVE ALL THROUGH THE LENGTH OF TUBE
Condenser Tube Cleaning Techniques
PROCESS.
SPRING LOADED CLEANERS PROPELLED
AT HIGH SPEED (3-6 M/SEC).
CLEANERS SHOT BY MEDIUM WATER PRESSURE
(20-25 KG/CM2)
CLEANERS HAVE HIGH BODY STRENGTH TO FLUSH
OUT HARD DEPOSITS.
REMOVE DEBRIS SUCH AS RUBBER PLUGS ,
RUBBER BALLS , PLASTIC ETC.
EACH CLEANER CAN BE USED 10-12 TIMES.
Condenser in-air-leak test
TEST SET UP
SAMPLING OF AIR-STEAM MIXTURE FROM
VACUUM PUMP/STEAM EJECTOR EXHAUST.
REMOVAL OF MOISTURE FROM SAMPLE.
INSTALLATION OF DETECTOR PROBE IN A
VESSEL.
FIXING DUAL PRESSURE OXYGEN REGULATOR ON
HELIUM CYLINDER.
MOUNTING CYLINDER ON TROLLEY.
FIXING AIR GUN WITH NOZZLE TO THE
REGULATOR.