China supplier 22kw 30HP Shanghai Screw Air Compressors for Food Industry supplier

Product Description

Product Description

Model SGD 22
Type of Cooling   Air Cooling/Water cooling
Working Pressure psig 102 116 145 174
bar 7 8 10 12
Air Delivery cfm 134.2 105.9 95.3 84.7
m3/min 3.8 3.0 2.7 2.4
Motor Power kw/hp 22/30
Cooling Method   Air Cooling / Water Cooling
Driven Method   Driect driven
Air Outlet Pipe
Diameter
  1″
Voltage   380V 220V 440V 415V/ 3PH /50HZ 60HZ 
Can be customized
Exhaust Oil Volum   <3ppm
Noise db 65±2
Outlet Air Humidity ºC ambient temperature+15ºC

Product Parameters

Technical Data of Direct Drive Electric Motor Screw Air Compressors

Model Working Pressure Capacity Motor Power Driven Method Cooling Method Dimension(mm) Net Weight Air Outlet Pipe Diameter
Psi bar Cfm m3/min kw/hp L W H KGS
SGD08 102 7 42.4 1.2 7.5/10 Direct Drive Air Cooling
/
Water Cooling
900 670 850 200 1/2”
116 8 38.8 1.1
145 10 33.5 0.95
174 12 28.3 0.8
SGD11 102 7 58.3 1.65 11/15 1080 750 1571 280 3/4”
116 8 53 1.5
145 10 45.9 1.3
174 12 38.8 1.1
SGD15 102 7 88.3 2.5 15/20 1080 750 1571 300 3/4”
116 8 81.2 2.3
145 10 74.2 2.1
174 12 67.1 1.9
SGD18 102 7 113 3.2 18.5/25 1380 850 1185 430 1”
116 8 105.9 3
145 10 95.3 2.7
174 12 84.7 2.4
SGD22 100 7 134.2 3.8 22/30 1380 850 1185 450 1”
116 8 127.1 3.6
145 10 113 3.2
174 12 95.3 2.7
SGD30 102 7 187.1 5.3 30/40 1380 850 1185 500 1”
116 8 176.6 5
145 10 158.9 4.5
174 12 141.2 4
SGD37 102 7 240.1 6.8 37/50 1500 1000 1345 650 11/2″
116 8 218.9 6.2
145 10 197.7 5.6
174 12 176.6 5
SGD45 102 7 261.3 7.4 45/60 1500 1000 1345 680 11/2″
116 8 247.2 7
145 10 218.9 6.2
174 12 197.7 5.6
SGD55 102 7 353.1 10 55/75 1800 1250 1670 1150 2″
116 8 339 9.6
145 10 300.1 8.5
174 12 268.4 7.6
SGD75 102 7 473.2 13.4 75/100 1800 1250 1670 1200 2″
116 8 444.9 12.6
145 10 395.5 11.2
174 12 353.1 10
SGD90 102 7 572 16.2 90/120 1800 1250 1670 1350 2″
116 8 529.7 15
145 10 487.3 13.8
174 12 434.3 12.3
SGD110 102 7 741.5 21 110/150 2300 1470 1840 1800 2 1/2”
116 8 699.1 19.8
145 10 614.4 17.4
174 12 522.6 14.8
SGD132 102 7 865.1 24.5 132/175 2300 1470 1840 1850 2 1/2”
116 8 819.2 23.2
145 10 723.9 20.5
174 12 614.4 17.4
SGD160 102 7 1013.4 28.7 160/200 2300 1470 1840 2000 2 1/2”
116 8 974.6 27.6
145 10 868.6 24.6
174 12 759.2 21.5
SGD185 102 7 1129.9 32 185/250 3150 1980 2152 3500 DN85
116 8 1073.4 30.4
145 10 967.5 27.4
174 12 875.7 24.8
SGD220 102 7 1271.2 36 220/300 3150 1980 2152 3800 DN85
116 8 1211.1 34.3
145 10 1066.4 30.2
174 12 978.1 27.7
SGD250 102 7 1483 42 250/350 3150 1980 2152 4000 DN85
116 8 1430.1 40.5
145 10 1348.8 38.2
174 12 1218.2 34.5
SGD315 102 7 1800.8 51 315/430 4000 1980 2152 6000 DN110
116 8 1772.6 50.2
145 10 1571.3 44.5
174 12 1412.4 40
SGD355 102 7 2259.8 64 355/480 4000 1980 2152 6500 DN110
116 8 2153.9 61
145 10 1995 56.5
174 12 1730.2 49

Company Profile

 

After Sales Service

FAQ

Q1: What is the rotor speed for the air end?

A1: 2980rmp.

Q2: What’s your lead time?
A2: usually, 5-7 days. (OEM orders: 15days)

Q3: Can you offer water cooled air compressor?
A3: Yes, we can (normally, air cooled type).

Q4: What’s the payment term?
A4: T/T, L/C, Western Union, etc. Also we could accept USD, RMB, and other currency.

Q5: Do you accept customized voltage?
A5: Yes. 380V/50Hz/3ph, 380V/60Hz/3ph, 220V/50Hz/3ph, 220V/60Hz/3ph, 440V/50Hz/3ph, 440V/60Hz/3ph, or as per your requests.

Q6: What is your warranty for air compressor?
A6: One year for the whole air compressor(not including the consumption spare parts) and technical supports can be provided according to your needs.

Q7: Can you accept OEM orders?
A7: Yes, OEM orders are warmly welcome.

Q8: How about your customer service and after-sales service?
A8: 24hrs on-line support, 48hrs problem solved promise.

Q9: Do you have spare parts in stock?
A9: Yes, we do.

Q10: What kind of initial lubrication oil you used in air compressor?
A10: TOTAL 46# mineral oil.

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Lubrication Style: Lubricated
Cooling System: Air Cooling
Power Source: AC Power
Cylinder Position: Vertical
Structure Type: Closed Type
Installation Type: Stationary Type
Customization:
Available

|

air compressor

What Industries Commonly Use Screw Compressors?

Screw compressors are widely used in various industries due to their efficiency, reliability, and versatility. Here’s a detailed overview of the industries that commonly utilize screw compressors:

  • 1. Manufacturing: Screw compressors find extensive use in manufacturing industries such as automotive, aerospace, electronics, and appliances. They are employed for applications such as powering pneumatic tools, operating production lines, providing compressed air for painting, and controlling automated processes.
  • 2. Oil and Gas: The oil and gas industry extensively utilizes screw compressors for various purposes. They are employed in upstream operations for natural gas gathering, gas lift systems, and wellhead compression. In downstream operations, screw compressors are used in refining processes, gas transmission, and storage facilities.
  • 3. Chemical and Petrochemical: Screw compressors play a crucial role in chemical and petrochemical industries. They are used for compressing gases in chemical reactions, providing instrument air for control systems, powering pneumatic conveying systems, and handling various process gases in refining and production processes.
  • 4. Food and Beverage: Screw compressors are employed in the food and beverage industry for applications such as refrigeration, freezing, and air supply for packaging processes. They help maintain optimal temperature and humidity conditions, ensuring the quality and safety of food and beverage products.
  • 5. Pharmaceutical and Healthcare: Screw compressors are utilized in pharmaceutical manufacturing facilities, research laboratories, and healthcare institutions. They provide clean, oil-free compressed air for critical processes, such as pharmaceutical production, medical device manufacturing, and laboratory analysis. High-quality compressed air is essential to meet stringent quality and regulatory standards in these industries.
  • 6. Power Generation: Screw compressors find applications in power generation facilities, including gas turbine power plants, combined heat and power (CHP) systems, and cogeneration plants. They are used for inlet air compression, fuel gas boosting, and other compressed air requirements in power generation processes.
  • 7. Construction and Mining: Screw compressors are widely used in construction and mining industries for powering pneumatic tools, drilling equipment, and material handling systems. They provide the necessary compressed air for efficient and reliable operation in demanding construction and mining environments.
  • 8. Municipal and Wastewater Treatment: Screw compressors are utilized in municipal water treatment and wastewater treatment plants. They play a vital role in aeration processes, where compressed air is introduced into water or wastewater to promote biological treatment and ensure effective removal of contaminants.
  • 9. Printing and Packaging: Screw compressors are employed in printing and packaging industries for applications such as air drying, air cushioning, and powering pneumatic systems in printing presses and packaging machinery. They ensure consistent and reliable compressed air supply for efficient production processes.
  • 10. Automotive and Transportation: Screw compressors are used in automotive and transportation industries for applications such as air conditioning systems in vehicles, pneumatic braking systems, and compressed air supply for tire inflation and maintenance.

These are just a few examples, and screw compressors find applications in numerous other industries, including textiles, plastics, pulp and paper, steel and metal fabrication, electronics manufacturing, and more. The versatility and reliability of screw compressors make them a popular choice across a wide range of industrial sectors.

air compressor

What Is the Role of Control Systems in Screw Compressor Operation?

Control systems play a crucial role in the operation of screw compressors. Here’s a detailed explanation:

Screw compressors are complex machines that require precise control and monitoring for optimal performance and efficiency. Control systems provide the necessary intelligence and automation to regulate various aspects of screw compressor operation. Here are the key roles of control systems:

1. Start-up and Shutdown Control:

Control systems manage the start-up and shutdown sequences of screw compressors. During start-up, the control system ensures a gradual ramp-up of motor speed and system pressure to prevent sudden surges and excessive wear on components. During shutdown, it safely brings the compressor to a stop and performs necessary cooling and ventilation processes.

2. Load and Unload Control:

Screw compressors often feature load and unload operation to match compressed air supply with demand. The control system monitors system pressure, flow requirements, and other parameters to determine when to load or unload the compressor. It engages or disengages the compressor’s capacity control mechanism, such as inlet modulation valves or variable-speed drives, to maintain optimal operation at varying loads.

3. Pressure Control:

Control systems regulate the discharge pressure of screw compressors. They continuously monitor the system pressure and adjust compressor operation to maintain the desired pressure setpoint. The control system modulates the compressor’s capacity, adjusts the speed of the drive motor, or controls the opening and closing of inlet or discharge valves to achieve the target pressure.

4. Temperature Control:

Control systems monitor and control various temperature parameters within the screw compressor system. They ensure that the compressor operates within safe temperature limits by monitoring coolant temperatures, lubricant temperatures, and interstage or discharge temperatures. If temperature limits are exceeded, the control system may activate cooling mechanisms, adjust operating parameters, or trigger alarms and shutdowns to prevent damage.

5. Monitoring and Protection:

Control systems provide comprehensive monitoring and protection functions for screw compressors. They continuously collect data from various sensors and instruments, such as pressure sensors, temperature sensors, vibration sensors, and current sensors. The control system analyzes this data to detect abnormalities, malfunctions, or potential failures. It can initiate alarms, shutdowns, or safety interlocks to protect the compressor and associated equipment.

6. Energy Management:

Control systems optimize energy efficiency in screw compressor operation. They analyze system demand, performance characteristics, and energy consumption to make intelligent decisions regarding load modulation, capacity control, and motor speed adjustments. By optimizing the compressor’s operation, the control system helps reduce energy consumption, operating costs, and environmental impact.

7. Remote Monitoring and Control:

Modern control systems often offer remote monitoring and control capabilities. They can be integrated into supervisory control and data acquisition (SCADA) systems or connected to networked platforms. Remote access allows operators to monitor compressor performance, adjust operating parameters, receive alarms, and perform diagnostics from a central control room or via mobile devices.

In summary, control systems play a vital role in the operation of screw compressors by providing intelligent control, monitoring, and protection. They manage start-up and shutdown sequences, regulate load and unload operation, control pressure and temperature, monitor system parameters, optimize energy efficiency, and enable remote monitoring and control. By effectively managing the compressor’s operation, control systems contribute to reliable performance, energy efficiency, and overall system optimization.

air compressor

What Are the Maintenance Requirements for Screw Compressors?

Screw compressors require regular maintenance to ensure optimal performance, reliability, and longevity. Here’s a detailed overview of the maintenance requirements for screw compressors:

  • 1. Lubrication: Screw compressors rely on proper lubrication to reduce friction, minimize wear, and maintain efficient operation. Regular lubrication of the rotor bearings, seals, and other moving parts is essential. The type and frequency of lubrication may vary depending on the compressor’s design and manufacturer’s recommendations.
  • 2. Filter Replacement: Screw compressors have intake filters that prevent dust, debris, and contaminants from entering the compression chamber. These filters need to be inspected regularly and replaced or cleaned as necessary to ensure unrestricted airflow and prevent damage to the compressor components.
  • 3. Cooling System Maintenance: Screw compressors may have cooling systems, such as air or water coolers, to dissipate heat generated during compression. The cooling system should be inspected periodically, and any blockages or leaks should be addressed promptly to maintain optimal cooling efficiency.
  • 4. Inspection of Belts and Couplings: If the screw compressor is belt-driven or connected through couplings, regular inspection of belts, pulleys, and couplings is necessary. Worn or damaged belts should be replaced, and couplings should be checked for alignment and tightness to ensure smooth power transmission.
  • 5. Cleaning of Heat Exchangers: Heat exchangers in screw compressors, such as intercoolers and aftercoolers, can accumulate dirt, scale, and other deposits over time. Regular cleaning of these heat exchangers is important to maintain their heat transfer efficiency and prevent overheating of the compressed air or gas.
  • 6. Inspection of Seals and Gaskets: The seals and gaskets in a screw compressor play a critical role in maintaining proper compression and preventing air or gas leakage. Regular inspection of these components is necessary to detect any signs of wear, damage, or leakage. Faulty seals or gaskets should be replaced promptly to maintain the compressor’s efficiency.
  • 7. Regular Performance Testing: Periodic performance testing of screw compressors is recommended to assess their operating parameters, such as discharge pressure, flow rate, and power consumption. This helps identify any deviations from the expected performance and allows for adjustments or repairs as needed.

It’s important to note that the specific maintenance requirements for screw compressors may vary depending on the compressor’s design, manufacturer’s recommendations, operating conditions, and usage. Consulting the compressor’s manual and following the manufacturer’s guidelines is crucial for maintaining the compressor effectively and ensuring its reliable operation over time.

China supplier 22kw 30HP Shanghai Screw Air Compressors for Food Industry   supplier China supplier 22kw 30HP Shanghai Screw Air Compressors for Food Industry   supplier
editor by CX 2024-02-22

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