High Reliability Semi seal Compound Two stage Screw Freon Refrigeration Compressor Unit Series for cold room
- Category: >>>
- Supplier: Yantai Guangwei Food Cold-Chain Technology Co. Ltd.
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Product Overview
Description
Product Description
◆Compressor features
●The bilateral asymmetric arc envelope rotor molded lines, grinding, high efficiency, low noise.
●The bilateral asymmetric arc envelope rotor molded lines, grinding, high efficiency, low noise.
●Semi-hermetic structure without shaft seal. Prevent leakage of refrigerant and oil, and lowmaintenance cost later.
●Patented refrigerant siphon liquid cooling motor, duplex bearing brace, built-in coupling.
●Patented refrigerant siphon liquid cooling motor, duplex bearing brace, built-in coupling.
●NSK high precision special bearings, high precision, long lifetime.
●The plain bearing used for radial support of rotor, high bearing capacity, long lifetime.
●The plain bearing used for radial support of rotor, high bearing capacity, long lifetime.
●Axial force with balancing technology, thrust bearing has a long lifetime.
◆Compressor unit features
●High efficiency oil separator, exhausting oil content less than 5ppm.
●High efficiency oil separator, exhausting oil content less than 5ppm.
●Forced feed oil.Apply a wide range, compressor operation reliability.
●with high efficiency oil cooler of liquid-cooled,high heat transfer efficiency , less fouling, sturdy and durable.
●Efficient frequency conversion liquid refrigerant cooling motor, higher COP than traditional suction cooling and liquid cooling motors.
●Compressor with internal oil design, external piping simple, less leakage points.
●Oil pump with variable frequency regulation, it can make a long lifetime for the oil pump, low noise and save energy.
●Compressor unit energy adjustment using three four-way solenoid valve, part of the load stability.
●Complete safety protection, exhausting high protection, low oil pressure differential protection,high oil temperature protection.
●with high efficiency oil cooler of liquid-cooled,high heat transfer efficiency , less fouling, sturdy and durable.
●Efficient frequency conversion liquid refrigerant cooling motor, higher COP than traditional suction cooling and liquid cooling motors.
●Compressor with internal oil design, external piping simple, less leakage points.
●Oil pump with variable frequency regulation, it can make a long lifetime for the oil pump, low noise and save energy.
●Compressor unit energy adjustment using three four-way solenoid valve, part of the load stability.
●Complete safety protection, exhausting high protection, low oil pressure differential protection,high oil temperature protection.
◆Unit control features
●Standard configuration PLC and color touch screen, the operation interface is intuitive and easy to understand, supports multi-language switching such as Chinese and English, and is suitable formultiple models.
●Optional functions can be added through expansion modules,such as evaporative condenser and barrel pump unit control. The sensor range is simple to modify，which is convenient for replacement of spare parts.
●Support U disk (or SD card) expansion to achieve a large amount of storage of operating data and alarm records.
●Comprehensive fault diagnosis to ensure long-term stable operation. Diagnostic information text reminder and sound and light alarm notification.
●Support Modbus and a variety of serial ports and industrial standard Ethernet communication protocols to facilitate the data collection of the upper SCADA system and the group control of the compressor unit.
●Standard configuration PLC and color touch screen, the operation interface is intuitive and easy to understand, supports multi-language switching such as Chinese and English, and is suitable formultiple models.
●Optional functions can be added through expansion modules,such as evaporative condenser and barrel pump unit control. The sensor range is simple to modify，which is convenient for replacement of spare parts.
●Support U disk (or SD card) expansion to achieve a large amount of storage of operating data and alarm records.
●Comprehensive fault diagnosis to ensure long-term stable operation. Diagnostic information text reminder and sound and light alarm notification.
●Support Modbus and a variety of serial ports and industrial standard Ethernet communication protocols to facilitate the data collection of the upper SCADA system and the group control of the compressor unit.
Product Information
Applicable conditions(single-stage)
Refrigerant | R507A |
Exhaust pressure Mpa(A) | ≤2.12 |
Corresponds to the saturation temperature ℃ | 45 |
Air intake pressure Mpa(A) | 0.07~0.26 |
Corresponds to the saturation temperature ℃ | -55~-25 |
Oil pressure Mpa | 0.1~0.3 higher than the exhaust pressure |
0.5 higher than the suction pressure,and the discharge pressure-oil pressure≤0.2~0.3 | |
Oil temperature ℃ | 20~65 |
Item | 42.4 | Unit | 12M | 16S | 16M | |||
Compressor | Swept volume of low pressure stage | m³/h | 338 | 606 | 720 | |||
Swept volume of high pressure stage | m³/h | 145 | 240 | 240 | ||||
Regulation mode of compressor | Frequency conversion | |||||||
Compressor operating frequency | Hz | 25~70 | ||||||
Nominal working conditions | ℃ | -35/40 | ||||||
Cooling capacity under nominal working conditions | kw | 123 | 199 | 226 | ||||
Rated power of motor | kw | 90 | 160 | 185 | ||||
Electrical system | 41.64 | r/min | 3N 50Hz 380V | |||||
Rated speed | 2970 | |||||||
Refrigerant | Varieties | R507A | ||||||
Lubrication oil | Brand | Special oil for Great Wall | ||||||
Charging volume | kg | 130 | 220 | 220 | ||||
Diameter of suction | mm | DN100 | DN125 | DN125 | ||||
Diameter of discharge | mm | DN40 | DN50 | DN50 | ||||
Diameter of liquid inlet & outlet of intermediate cooler | mm | DN40 | DN50 | DN50 | ||||
Diameter of safety valve | mm | DN20 | DN25 | DN25 | ||||
Refrigerant-cooled and oil-cooled cooler | Type | Shell-tube | ||||||
Diameter of liquid inlet pipe | mm | DN25 | DN32 | DN32 | ||||
Diameter of air discharge pipe | mm | DN40 | DN50 | DN50 | ||||
Motor cooling | Diameter of liquid inlet | mm | DN15 | DN20 | DN20 | |||
Diameter of air discharge | mm | DN20 | DN25 | DN25 | ||||
Oil pump | Model | - | BF120 | |||||
Motor power | kw | - | 2.2 | |||||
Dimensions(L*W*H) | mm | 2515*1160*1820 | 3168*1310*2254 | 3168*1310*2254 | ||||
Unit weight | kg | ~2480 | ~3700 | ~3730 | ||||
Operating weight of the unit | kg | ~2980 | ~4300 | ~4330 | ||||
Note:
1.The medium temperature working conditions are the working conditions at -10/+40℃，
the low temperature working conditions are the working conditions at -35/+40℃.
2.Suction superheat is o℃，liquid subcooling is 5℃;
3.When the unit has an economizer，the liquid outlet temperature is 5℃ higher than the
saturation temperature corresponding with the air supply pressure.
the low temperature working conditions are the working conditions at -35/+40℃.
2.Suction superheat is o℃，liquid subcooling is 5℃;
3.When the unit has an economizer，the liquid outlet temperature is 5℃ higher than the
saturation temperature corresponding with the air supply pressure.
Company Profile
The Company Introduction
Aowei refrigeration equipment Co., Ltd is located in the coastal city of Yantai, which is one of the earliest private enterprises established in the middle of 1980s .The first generation founders with courage and wisdom have built the company which is mainly engaged in refrigeration engineering and installation accessories . After several ecades of development, the company has grown up to refrigeration equipment industry chain leader under the belief of self-improvement and social service . After taking over by the second eneration owners , they devoted himself to building a high-tech enterprise center with international competition inspirit. Now the company not only have four professional refrigeration equipment manufacturing plant engineering company and trading company, but also building a technology Research Institute where include esearching and developing compressors and compressor systems integration , cold chain integration mainly in frozen equipment.
Review the past and look forward to the future, greet the new age of development. Aowei company devote himself to manufacturing matching with national standards and industry standard products as the company lifeline , and always putting the customer's benefit as themselves. R&D and produce the products in conformity with the international standards.
Aowei obey the national development strategy to manufacture products with advantages of "green, low-carbon, environmental protection ,sustainable development" .All products and systems are intelligent, digital and realized unmanned system . Developed a new generation series of screw refrigeration compressor successfully, the structure and the type of line parameters have a big breakthrough. Especially for CO2 compressor and system，more nearly to realize "environmental protection, safe, and efficient'. The company is committed to one-stop overall cold chain solutions and value-added services . Represented by the integrated carton quick freezer and spiral freezer machine already get more than 110 patents. The compressor test platform with experimental device and air cooler test platform laid a good foundation for the company to the higher level.
According to country laws and regulations , all the products of our company have already got the corresponding certificates and licence.
Aowei will continue insisting the principle of "brand strategy, well-designed " to produce high -tech and customer satisfactory products. Aowei is willing to join hands with all friends at home and abroad and create a bright future.
Review the past and look forward to the future, greet the new age of development. Aowei company devote himself to manufacturing matching with national standards and industry standard products as the company lifeline , and always putting the customer's benefit as themselves. R&D and produce the products in conformity with the international standards.
Aowei obey the national development strategy to manufacture products with advantages of "green, low-carbon, environmental protection ,sustainable development" .All products and systems are intelligent, digital and realized unmanned system . Developed a new generation series of screw refrigeration compressor successfully, the structure and the type of line parameters have a big breakthrough. Especially for CO2 compressor and system，more nearly to realize "environmental protection, safe, and efficient'. The company is committed to one-stop overall cold chain solutions and value-added services . Represented by the integrated carton quick freezer and spiral freezer machine already get more than 110 patents. The compressor test platform with experimental device and air cooler test platform laid a good foundation for the company to the higher level.
According to country laws and regulations , all the products of our company have already got the corresponding certificates and licence.
Aowei will continue insisting the principle of "brand strategy, well-designed " to produce high -tech and customer satisfactory products. Aowei is willing to join hands with all friends at home and abroad and create a bright future.
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FAQ
1.What's your advantage? A: Thte set of heat exchange tube, oval high-frequenay weldaed pipe and thefow af the liquid in the pipe
and the pipe outer surlace foma unilarm"wwater film. enhanceci heat tranafer effect Peasonable dicsign all meet the conditions of container transpoert. simple and conwcnient.
2. How I believe you?
A : We consider honest as the life of our company, we can tell you the contact information of our some other clients for you to
check our credit. Besides, there is trade assurance from Alibaba, your order and money will be well guaranteed.
3.Where are you?
Can I visit you? A: Sure,welcome to you visit our factory at any time.
4.How about the delivery time?
A: Within 60 days after we confirm you requirement.
5.what kind of payment does your company support?
A: T/T, 100% L/C at sight, if you have other payment,please contact me.
and the pipe outer surlace foma unilarm"wwater film. enhanceci heat tranafer effect Peasonable dicsign all meet the conditions of container transpoert. simple and conwcnient.
2. How I believe you?
A : We consider honest as the life of our company, we can tell you the contact information of our some other clients for you to
check our credit. Besides, there is trade assurance from Alibaba, your order and money will be well guaranteed.
3.Where are you?
Can I visit you? A: Sure,welcome to you visit our factory at any time.
4.How about the delivery time?
A: Within 60 days after we confirm you requirement.
5.what kind of payment does your company support?
A: T/T, 100% L/C at sight, if you have other payment,please contact me.
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