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POWER CONTROL POWER CONTROL LIMITEDLIMITED
Introducing “PermaFrostIntroducing “PermaFrost””
Presented byPresented by
Ir. K.M. WongIr. K.M. Wong
POWER CONTROL POWER CONTROL LIMITEDLIMITED
What is “PermaFrost”
• A super thermal-conductive additive used to improve the efficiency of chillers and refrigeration equipment
• Developed and manufactured in U.S.A.(4 patents between 1990s and 2002)
POWER CONTROL POWER CONTROL LIMITEDLIMITED
How it works (1)How it works (1)Lubricating oil contaminated the evaporator & condenser!Lubricating oil contaminated the evaporator & condenser!
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Before PermaFrostBefore PermaFrost
Reduced heat transfer
Excessive Laminar friction
Stagnant Oil
Tubing Wall
Tubing Wall
Energy loss
Stagnant Oil
This barrier reduces the heat transfer inside the refrigerant circuit and increases the energy consumption (kWh).
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After PermaFrost (1)After PermaFrost (1)Accelerated Heat Transfer
Reduced laminar friction
Stagnant oil dispersal
PermaFrost Thermo-conductive molecules
Refrigerant contacts metal
PermaFrost molecules are attracted to the inner metal tubing. The thermo-conductivity rate is ACCELERATED and laminar friction is virtually eliminated.
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After PermaFrost (2)After PermaFrost (2)
Efficient turbulent flow
Stagnant Oil cleared
Accelerated Thermo Conductivity.
Faster Heat Dispersal
PermaFrost Thermo-conductive molecules
Refrigerant
Oil barrier is completely and permanently removed
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After Applying PermaFrostAfter Applying PermaFrost
• The insulative oil barrier is completely and permanently removed.
• The inner metal surface is bound by thermo-conductive PermaFrost molecules.
• Heat transfer between the refrigerant and chilled water / air will speed up.
• The compressor will run a shorter time in producing the same cooling capacity.
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Advantages of Advantages of “PermaFrost”“PermaFrost”
• Saves over 10% in electricity Saves over 10% in electricity consumed by chillersconsumed by chillers
Reduce Energy !!Reduce Energy !!
Save Money !!Save Money !!
Increase Profits !!Increase Profits !!
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Advantages of Advantages of “PermaFrost”“PermaFrost”
• Easy to installEasy to install– just manually pump into the existing lub oiljust manually pump into the existing lub oil
• Zero down time Zero down time
• No mechanical modificationNo mechanical modification
• Extends equipment (compressors) lifeExtends equipment (compressors) life
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Suitable ApplicationSuitable Application
Screw CompressorScrew Compressor
Centrifugal CompressorCentrifugal Compressor
Reciprocating CompressorReciprocating Compressor
Scroll CompressorScroll Compressor
PermaFrost may be used in most air-conditioning and refrigeration systems with the exception of absorption chillers.
Systems where PermaFrost can be used are as follows:
And many other refrigeration systems…
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CompatibilityCompatibility• Seal Compatibility:Seal Compatibility: Neoprene, Nitrite, Viton, Neoprene, Nitrite, Viton,
PFE, Buna, Nylon, Mylar, Polypropylene and all PFE, Buna, Nylon, Mylar, Polypropylene and all prevalent types of seals used in the HVAC prevalent types of seals used in the HVAC industry.industry.
• Metal Compatibility:Metal Compatibility: Steel, Copper, Aluminum, Steel, Copper, Aluminum, Brass, Cast Iron, Stainless Steel, Silver, Copper Brass, Cast Iron, Stainless Steel, Silver, Copper Alloys and Zinc.Alloys and Zinc.
• Refrigerant Compatibility:Refrigerant Compatibility: Group 1, 2, 3 Group 1, 2, 3 Ammonia, Propane and all prevalent refrigerants.Ammonia, Propane and all prevalent refrigerants.
• Oil Compatibility:Oil Compatibility: Mineral, Synthetic, POE, Alpha Mineral, Synthetic, POE, Alpha Olefins and special blends.Olefins and special blends.
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Our Reference Clients
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Performance EvaluationPerformance Evaluation
• The efficiency of a chiller is defined by the coefficient of performance (COP)
(KW)Input Power
(KW)Capacity CoolingCOP
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Refrigeration CycleRefrigeration Cycle
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P – H DiagramP – H Diagram
Cooling Capacity = COP X Power Input ( V X I )
(B)Input Power
(A)Capacity CoolingCOP
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Tapping to take Suction Temperature Tapping to take Suction Temperature and Pressure Readingsand Pressure Readings
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Collected Data Sent to an AnalyzerCollected Data Sent to an Analyzer
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Data sent from the Analyzer to the Data sent from the Analyzer to the RecorderRecorder
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Data recorded in every minute Data recorded in every minute
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ExampleExampleSavings Due to PermaFrost for a 100 Ton Savings Due to PermaFrost for a 100 Ton
ChillerChillerCooling Capacity = 100 Ton = 352 KW (a) COP = 2.8 (b)Cooling Capacity = 100 Ton = 352 KW (a) COP = 2.8 (b)
Power Input = (a) / (b) = 126KW at full loadPower Input = (a) / (b) = 126KW at full load
Diversity = 0.7 Hours of Operation Per Day = 16 hoursDiversity = 0.7 Hours of Operation Per Day = 16 hours
Yearly Electricity ConsumptionYearly Electricity Consumption= 126 KW X 16 hours X 0.7 X 365 days X $1.26 / KWH= 126 KW X 16 hours X 0.7 X 365 days X $1.26 / KWH= ~ HK$650,000= ~ HK$650,000
• For a savings of 10% after treatment of “PermaFrost” For a savings of 10% after treatment of “PermaFrost”
Total Amount of Savings Total Amount of Savings
~ HK$65,000 per year~ HK$65,000 per year
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ENDEND
THANK YOUTHANK YOUIr. K.M. Wong
Power Control Limited
Address: 28/F., Soundwill Plaza,38 Russell Street,
Causeway Bay,Hong Kong
Tel: 2555-6868Mobile: 6770-6062
Email: [email protected]