30hp Pm Vfd Rotary Screw Air Compressor - Color: Black

310000 INR

72500 NOK

180000 INR

30 Horsepower (HP)

20HP

Mild Steel

Casting

Mild Steel

Electric

20 hp

Electric

Screw air compressors play a crucial and indispensable role in the operation of color sorting machines across various industries, particularly in food processing (grains, pulses, nuts, coffee beans), plastics, and recycling. Their primary function is to provide the high-pressure, clean, and consistent compressed air needed to eject undesirable materials. Here's a breakdown of their importance and how they work in this application: 1. The Role of Compressed Air in Color Sorting: Color sorters work by rapidly analyzing materials based on their color, shape, and size using high-resolution cameras or optical sensors. When the machine identifies a defective or foreign object, a precisely timed "puff" of compressed air is used to eject that specific item from the main flow of good product. This precise ejection is what makes high sorting accuracy possible. 2. Why Screw Air Compressors are Preferred: * Continuous Duty and Reliability: Color sorters often operate continuously for long periods in industrial settings. Screw air compressors are designed for 100% continuous duty, offering reliable performance without interruptions. * Constant Airflow and Pressure: They provide a steady, non-pulsating stream of compressed air at consistent pressure, which is vital for the precise and repeatable ejection of materials. Fluctuations in air pressure can lead to sorting inaccuracies. * Energy Efficiency: Modern screw compressors, especially those with Variable Speed Drive (VSD) technology, can adjust their motor speed to match the air demand, leading to significant energy savings compared to fixed-speed compressors. * Low Noise Levels: While still producing some noise, many industrial screw compressors are designed for relatively low noise operation, which can be beneficial in plant environments. * Durability: They are built to withstand demanding industrial conditions, ensuring a long operational life. 3. Key Requirements for Air Compressors in Color Sorting: * Oil-Free Air: This is perhaps the most critical requirement, especially in food and beverage processing. Contamination from oil in the compressed air can compromise product quality, safety, and hygiene. Oil-free screw compressors eliminate this risk by not using lubricating oil in the compression chamber. * Dry Air: Moisture in compressed air can lead to problems like corrosion in the sorting machine's components, particularly the delicate ejector valves, and can also affect the material being sorted. Therefore, the compressed air system usually includes air dryers (e.g., desiccant dryers) to ensure the air is dry. * Filtered Air: Beyond oil and moisture, the air must be free of particulates. Multi-stage filtration systems are essential to remove dust, dirt, and other airborne contaminants that could damage the sorting machine's sensitive parts or contaminate the product. * Adequate Pressure and Flow Rate (CFM): The compressor must be capable of delivering the required air pressure (typically 0.6-0.8 MPa or 7-10 kg/cm ) and flow rate (CFM - cubic feet per minute) to operate the ejectors effectively. The specific HP (horsepower) and tank capacity will depend on the size and number of chutes on the color sorter. For instance, a large rice color sorter might require a 40HP screw air compressor with an air tank capacity of 500-1000 liters. * Stable Operation Environment: The compressor should be installed in a well-ventilated, clean room with stable temperatures to optimize its performance and lifespan. Dust ingress protection systems are sometimes implemented for compressors operating in dusty environments. 4. How a Screw Air Compressor Works (Simplified): A screw air compressor utilizes two rotors (male and female) with helical lobes that mesh together. As these rotors turn, air is drawn into the compression chamber. The rotating screws progressively reduce the volume of the air trapped between them and the housing, thereby compressing it. This compressed air is then discharged to an air receiver tank, where it is stored for use by the color sorter. In summary, screw air compressors are a vital component of modern color sorting machines, providing the precise, clean, and consistent compressed air necessary for accurate and efficient sorting. The choice of an oil-free, dry, and adequately sized screw compressor is paramount to ensuring optimal performance, product quality, and longevity of the color sorting system.

AIROCOMP direct driven compressors bring you outstanding performance, flexible operation and the highest productivity, while minimising the total cost of ownership. With a choice of these premiums compressor service you will certainly find the compressed air solutions that perfectly matches your requirements.

550

350 kg

400 Grams (g)

08Bar

26KG

Max. Working pressure 08Bar

880

34"

730 Foot (ft)

1"

91CFM

70+/-2

Normal

68+/-2 db

AIR COMPRESSOR

Air compressor bare top block

2-3 Days

1 day Months

5 Per Month

1 Per Day

8 Per Month