INTRODUCTION
LITERATURE REVIEW
METHODOLOGY
RESULTS
Multi-Purpose Refrigerant RecoveryMulti-Purpose Refrigerant Recovery
Economic and evolution has grown up rapidly.
INTRODUCTIONINTRODUCTION
Convenient facility are needed in daily life .
Global warming is the world problem.
Objectives of the StudyObjectives of the Study
To build a refrigerant recovery in reducing CFC emission.
To help in repairing and maintaining air-conditioner and refrigeration.
To save time in repairing and maintaining.
LimitationLimitation
Using to suck refrigerant back into the tank.
Using to vacuum 27-29 inches Hg.
Being able to add refrigerant.
Be able to apply with refrigeration and air-condition
of R-22 and R-134a.
Literature ReviewLiterature Review
Basic of refrigeration
Basic of vacuum
Basic of oil separator
Basic of compressor
Basic of condenser
Basic of pressure control
Basic of pressure control
Related equipment
Power system
METHODOLOGYMETHODOLOGY
Designed and built the machine.
Tried out for the working effectiveness.
Collected satisfied data by questionnaires
METHODOLOGYMETHODOLOGY
InstrumentInstrument
Experiment for the effectiveness Experiment for the effectiveness in refrigerant recoveryin refrigerant recovery
5 times experiments To find the effectiveness
To find the timing
RESULTS
Table .1: Refrigerant Sucking
The results show that tank R-22 have amount of sucked refrigerant in 0.782 kg. within 10 minutes of effectiveness in 78 % and tank R-134a have amount of sucked refrigerant in 0.786 kg. within 9 minutes of effectiveness in 78 %.
Working effectiveness
Tank Amount of sucked refrigerant (Kgs.)
Time (Mins)
Percent
R-22 0.782 10 78
R-134a 0.786 9 78
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