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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