maglev train rocket fuel 1958 multi-cylinder reciprocating compressor chicken whole leg deboning...
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����������
Mayekawa Mfg. Co., Ltd.�Kuniaki Kawamura
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Founded: 1924 Location: Tokyo, Japan Turnover: $1.5 Billion Employees: 3,350 (33 countries)
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●Established in 1924, Capital 1,000,000,000 yen, Number of employees (2,200 domestic employees and 1,150 overseas employees), 57 Domestic offices and 82 overseas offices
●Manufacturing and sales of various gas compressors based on industrial compressors (More than 40% share of the international market)
●Plant engineering and consulting engineering services for agricultural and livestock industries, food industries and energy industries ●The manufacturer of individually make-to-order type industrial goods (capital goods)
1924 1960 1970 1980 1985 1990 2000
1924 Vertical low
speed reciprocating refrigeration compressor
1978 Ultra low
temperature accelerator
1964 Screw compressor Refrigerated
cargo vessel
Freezer Offshore platform Comprehensive food production system
Maglev train Rocket fuel
1958 Multi-cylinder
reciprocating compressor Chicken whole leg deboning robot
1998 Nagano Olympic Winter
Games
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Main operations Mayekawa is doing business globally, having 57 domestic offices and 3 plants, and 90 overseas offices including 8 plants. @Corporate offices 3-14-15 Botan, Koto-ku, Tokyo 135-8482,Japan Established in 1924 Capital 1,000,000,000 yen President Tadashi Maekawa Domestic plant: Moriya, Higashi-Hiroshima, Saku Overseas plant: Mexico, Brazil, USA, Belgium, South Korea T�
Chile Argentina
Brazil
Venezuela Costa Rica Colombia Ecuador
Peru
Mexico
USA(LA, etc.) Canada (Vancouver, Toronto)
INew Zealand Australia
Beijing Shanghai Taiwan
Philippines
India
Thailand Viet Nam Singapore Malaysia HIndonesia
Moscow Belgium England Spain France Switzerland Germany
South Korea
Dubai ?Turkey
Brazil plant Moriya plant
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Industrial Refrigeration with Natural Refrigerants�
Domestic
Industrial
Commercial
Target
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The comparison of CFC refrigerants and natural refrigerants
���%!�86*)�-*5*�.6�&�100-year GWP '&6*)�32�7-*�)&7&�+531�Japan Fluorocarbon Manufacturers Association (JFMA). http://www.jfma.org/database/table.html���� !�.6�7-*�(314&5.632�9&08*�:-*2�"�����
HCFC HFC NWFS
The name of refrigerant R22 R134a,R410A R407C,R404A
NH3,CO2,HC H20,AIR
<32*�)*40*7.32�437*27.&0 (ODP) 0.055 0 0
�03'&0�:&51.2,�437*27.&0�(GWP) 1810 1770F3920 0F3
Leakage Much Much� No NH3 is found when leaked
Odor/Smell No No NH3ESharp odor
Flammability� No� No/Lower NH3:Lower flammability �HCEHigher flammability
Coefficient of performance (COP) 1.00 0.90 1.05F1.2(NH3)
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What is Industrial Refrigeration?
• Long operation time (6000-8000hr/y) • Variable operation conditions • Frequency unloading operation >?Required ??High performance High Reliability Long Life
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Development Concepts
• High efficiency • Low refrigerant charge • Less leakage • High reliability
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11 11
Refrigerant (Natural Five)
NH3 R-717
CO2 R-744
HC Hydrocarbon
H2O R-718
Air R-728
Notes @Eco-Cute @Nat’l Proj. @Butane + Propane
@Nat’l Proj. @Adsorption @Heat recovery
@Nat’l Proj. @Air-cycle
90=
60=
10=
-15=
-25=
-40=
-50=
-60=
-100=
Utility hot water
Cold storage, Freezer, Fish boat
Specific Refrigeration needs
Freezer, Freeze-dry, Super Low temp storage
Cryogenics
Utility hot water
Heating
HVAC Chiller Chilled water
Ice making
Utility hot water Heating
Chilled water
Ice making
Heat recovery
Cryogenics
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• High Efficiency: Compressors and IPM Motors • Low Charge: * Secondary Refrigerant System(CO2) * Direct Expansion System • Less Leakage: Hermetic Motors • High reliability: 5 years mentenanse free
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Ammonia
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High Efficiency MotorBIPM motorC�
Conventional Motor
IPM Motor
Benefits of IPM motor
@?5F10% better in efficiency
@?40% smaller in size
@?Higher speed possible
Rotor
Stator
IPM?Motor
Induction motor
Rare earth permanent magnet Stator winding
Moment of inertia is reduced, rotational response, power factor, motor efficiency improved
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�IPM motor
NH3 semi-hermetic motor
Compound type
Water-cooled
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Application NH3/CO2 system
Package
Warehouse
>NH3 charge reduction >No risk of NH3 leaking in the storage room
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Distribution center
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F1610C
NewTon 3000 Storage capacity E18,000 ton
8sets of NewTon3000 replaced.
?�4sets in 2008
?�4sets in 2009 �
Distribution center
Existing
Refrigerant EHCFC-22
Machine EF1610CG8sets
System EDry Expansion
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Reduction of Power Consumption
DBased the bill of Tokyo Power Co.
DTotal Power consumption, incl carriers, lights, office machines, etc.
DStorage capacity :”1 ton = 0.4 m3”
Renewal Example
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Carbon dioxide
• Hot water and Hot dry air supply Heat-Pump
• Source : Air and Water
� ��
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“CO2 Heat Pump”
Eco-Cute “unimo A/W" �
Eco-Cute “unimo W/W" �
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Water
@?Ad-sorption Chiller Utilizing Solar Energy
�� �
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Air conditioner for shopping mall �
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INSTALLATION IN MEXICO SUSTAINABLE REFRIGERATION SYSTEM
Waste heat recovery Adsorption
chiller for airconditioning ○�Recovery waste heat from oven���Supply chilled water for factory��������airconditioning�
Waste heat recovery
Oven Airconditioning
Cooling tower
Gamesa snack factory, Mexico�Pepsico group�
Adsorption chiller
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Hydrocarbon
• Mixed Refrigerants Heat-Pump (Butane and Propane)
���
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�7��27*52&7.32&0��*).&��*27*5�3+���?$3;&/3�6811.7�.2��3//&.)3�
Employed a cooling unit taking advantage of 7,000 tons of
snow stocked underground, and as its subsystem, our
environment-friendly building air-conditioner was introduced �
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AIR
• Air Cycle Refrigeration System • For Low Temperature Applications -50 F?-100 =
��"�
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��=?8075&03:�(30)�6735&,*�
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Conclusion
In the industrial refrigeration application ?�natural refrigerants can be selected without
green house gas. In the view of prevention of global warming ?�we would like to offer a proposal below; �
1. Promoting natural working fluids aggressively in the proven industrial field
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NATURE IS WHAT WE DESIGN FOR
Thank you very much for your Attention.