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Published byGeoffrey Sherman Hoover Modified over 9 years ago
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Compressor Plant Utilities and Maintenance
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Presenter Hazrul Adzfar Shabri 55201112104 Siti Norlaila Faeizah Mohd Rudin55202112056 Irdani Idris 55201112111
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Content Introduction Compressor Function Type of compressor Maintenance Conclusion Safety
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Introduction
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Almost similar to pump – Main action pump=pressurize fluid to transport – Main action compressor=pressurize fluid by reducing the volume
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Function Provide high pressure gas to plant – low pressure steam to high pressure steam (steam reforming) Reduce volume of gas – For transport (LNG) – Processing (Compress gas, increase pressure, increase concentration) Maintain pressure of gas Pressurize water in boiler (Carnot cycle)
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Function Cooling/heating system that use refrigerant – Compress gas refrigerant, condensing the gas releasing the heat
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Type of compressor Positive displacement – Compress gas by reducing the volume Dynamic – Change the velocity of gas to pressure
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Positive displacement Reciprocating Rotary
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Dynamic Centrifugal Axial
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Maintenance Preventive maintenance checks Important Save time and money – Avoid possible breakdown – Maintains efficiency, saving money, maintaining ouput
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Lubrication – Pump oil – Regular checking (Daily) – Oil level Leak – Oil – Air Drain water (water vapour in air may condensate when air is compressed) Belt (timing, power)
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Air Filter – Check air filter for dust or breaking (weekly) Clean or replace – Check to ensure accurate air flow rate – Safety relief valve – Leak
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Check (daily weekly) – Noise – Vibration – Connection for leaks – Bolts and screw are tightened Service pump Oil (Annually)
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Cooling system – Compressed gas get hotter – Cooling system for example water cooling system Gauge – Check and calibrate pressure gauge – Ensure accurate reading – Not overwork/overpressure the compressor
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Safety Before maintenance operation – Ensure all electrical connection disconnected – Ensure compressor is relieved from any pressure – Ensure temperature cooled down
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Conclusion Compressor increase the pressure of gas by decreasing the volume Two type of compressor design; dynamic and positive displacement Maintenance important; save money and time for future Check: lubrication, air inlet, cooling system, gauge, connection, noise, vibration, screw Safety-disconnect electricity, relieve pressure, cool down temperature
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References Mobil Industrial (2013). Air Compressor Care and Maintenance Tips. [Online].[Accessed 5 October 2013]. Available from World Wide Web Arizona Pneumatic (2013). Air Compressor Maintenance [Online].[Accessed 5 October 2013]. Available from World Wide Web Portland Compressor (2013). Air Compressor Maintenance[Online].[Accessed 5 October 2013]. Available from World Wide Web McQuary (2013) Centrifugal Compressor Technology[Online].[Accessed 5 October 2013]. Available from World Wide Web Quincy Compressor (2013) Air Compressor.[Online].[Accessed 5 October 2013]. Available from World Wide Web Hvac Education Australia (2013). Vapour Compression system.[Online].[Accessed 5 October 2013]. Available from World Wide Web
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