Product Description
260kW Hot Sale Biogas Modular Chiller Air Cooled Industrial Water Chiller Scroll Compressor
Cooling Capacity 1 ~ 260kW / 0.3 ~ 75Ton / 0.5 ~ 104Ph
Our Product Range
Product Pictures
Product Description
FEATURES
The master module can work independently or together with up to 16 slave modules.
Units with V type heat exchanger: panels, frame and base are made from galvanized steel protected with polyester powder painting to ensure total resistance to atmospheric agents.
3-phase scroll type compressor, with built-in thermal overload cut-out and crankcase heater, mounted on rubber vibration dampers.
External rotor type axial fans, equipped with three phase direct drive motors, low noise 8 poles, protection level IP54, provided with a protective outlet grille.
Evaporator built with high efficiency Shell and tube type heat exchanger, factory insulated with flexible close cell material.
Condenser built with seamless copper tubes mechanically expanded into blue hydrophilic aluminum fins.
Refrigerant circuit complete with charge valves, filter drier, sight glass, gas-liquid separator, thermostatic expansion valve, high & low pressure switch. The heat pump unit is completed also with 4-way valve, liquid receiver and 1 way valve.
Hydraulic circuit built with galvanized pipe, complete with water discharge connection for tube in tube heat exchanger and flange type hydraulic connectors in 2 directions easy for connections from both sides of the units.
Electric panel consist of: compressor contactor, fan motor contactor, compressor protection breaker, fan protection breaker, phase sequence relay and microprocessor with function display (display only for master/packaged unit)
Automatic operation dramatically reducing maintenance cost thanks to reliable microprocessor system.
OPTIONAL
Paddle flow switch;
Metallic filter for hydraulic circuit;
Water pump;
Rubber antivibration mounting.
Heat recovery functions
Main Spare Parts
TECHNICAL DATA
| Model AW | 60 | 100 | 130 | 200 | 260 | ||
| Cooling capacity* | kW | 65 | 97.5 | 130 | 195 | 260 | |
| Cooling power input | kW | 20.8 | 31.4 | 42.1 | 63.6 | 84.2 | |
| Heating capacity** | kW | 68 | 102 | 136 | 204 | 272 | |
| Heating power input | kW | 20.2 | 30.6 | 41 | 61.2 | 82 | |
| Max Input Power | kW | 24 | 35.7 | 47.7 | 71.4 | 95.4 | |
| Max Input current | A | 50 | 74 | 97 | 148 | 194 | |
| Cooling Running Current | A | 46 | 68 | 89 | 136 | 178 | |
| Start-Up Current | A | 167 | 187 | 206 | 374 | 412 | |
| Compressor | |||||||
| Power supply | / | 380/3/50 | |||||
| Brand/Type | / | Daikin/Scroll | |||||
| Refrigerant | / | R410a | |||||
| Qty/refrigerant circuit | Nr. | 2 | 3 | 4 | 6 | 8 | |
| Cooling power input* | kW | 2*9.4 | 3*9.63 | 4*9.77 | 6*9.63 | 8*9.77 | |
| Heating power input** | kW | 2*9.1 | 3*9.36 | 4*9.5 | 6*9.36 | 8*9.5 | |
| Energy adjustment | % | 0- | |||||
| Axial fan | |||||||
| Quantity | Nr. | 2 | 2 | 2 | 4 | 4 | |
| Power input | kW | 2 | 2.5 | 3 | 5 | 6 | |
| Airflow | m3/h | 24000 | 36000 | 48000 | 72000 | 96000 | |
| Evaporator | |||||||
| Type | / | Shell and tube heat exchanger | |||||
| Water flow when cooling | m3/h | 11.2 | 16.8 | 22.4 | 33.6 | 44.8 | |
| Water flow when heating | m3/h | 11.7 | 17.6 | 23.4 | 35.1 | 46.8 | |
| Water side pressure drop *** | kPa | 46 | 52 | 55 | 52 | 55 | |
| Water connection size | DN | 50 | 50 |
65 | 2×50 | 2×65 | |
| Noise level*** | dB(A) | 70 | 72 | 72 | 74 | 75 | |
| Dimensions | |||||||
| V type coil | Length | mm | 2000 | 2207 | 2207 | 2207 | 2207 |
| Width | mm | 1060 | 1300 | 1300 | 2207 | 2207 | |
| Height | mm | 1957 | 2076 | 2076 | 2096 | 2096 | |
| Net weight | kg | 620 | 1060 | 1120 | 2160 | 2280 | |
| Working weight | kg | 635 | 1090 | 1155 | 2220 | 2350 | |
*Ambient temperature 35ºC; evaporator water out -5 ºC;
*** In the nominal water flow condition the pressure drop is between this range.
**** Sound pressure measured at a distance of 1 m and a height of 1.5 m above the ground in a dear field.
Production Process
Overseas Simple Projects
Our Factory and Certificates
| Type: | Air-Cooled |
|---|---|
| Cooling Method: | Air-cooled |
| Unit Structure: | Integral |
| Selected Voltage: | 50Hz/60Hz |
| Compressor Number: | 2-4 |
| Noise Level: | Low |
| Customization: |
Available
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What Is the Role of Air Dryers in Scroll Compressor Systems?
Air dryers play a crucial role in scroll compressor systems by removing moisture and contaminants from the compressed air. Here’s a detailed explanation:
Air produced by scroll compressors typically contains moisture, oil vapors, and solid particles. These contaminants can negatively impact the performance and reliability of the compressor system and downstream equipment. Air dryers are specifically designed to address these issues and ensure the delivery of clean and dry compressed air.
The primary roles of air dryers in scroll compressor systems are as follows:
1. Moisture Removal:
Compressed air often contains high levels of moisture, which can lead to various problems. Moisture can cause corrosion in the compressed air system, leading to damage to pipes, valves, and other components. It can also adversely affect the performance of pneumatic tools and equipment. Air dryers remove moisture from the compressed air by employing different drying techniques, such as refrigeration, adsorption, or membrane drying. This helps prevent moisture-related issues and ensures the delivery of dry air to the application.
2. Contaminant Removal:
In addition to moisture, compressed air may contain oil vapors, solid particles, and other contaminants. These contaminants can originate from lubricants used in the compressor, ambient air, or the compressor system itself. Air dryers incorporate features like coalescing filters, activated carbon filters, or desiccant beds to trap and remove these contaminants from the compressed air. By removing contaminants, air dryers help maintain the cleanliness and quality of the compressed air, preventing damage to downstream equipment and ensuring reliable operation.
3. Protection of Equipment:
Air dryers play a vital role in protecting the scroll compressor and downstream equipment. Moisture and contaminants can cause corrosion, fouling, and wear in the compressor, valves, air tools, and other components. By removing moisture and contaminants, air dryers help extend the lifespan of the compressor and reduce the risk of equipment failures, downtime, and costly repairs. They also contribute to improved performance and efficiency of pneumatic equipment.
4. Enhanced Product Quality:
In applications where compressed air comes into direct contact with products, such as in food and beverage processing or pharmaceutical manufacturing, air quality is critical. Contaminated or moist compressed air can compromise product quality, contaminate sensitive processes, or pose health risks. Air dryers ensure that the compressed air used in these applications meets the required quality standards, contributing to the production of high-quality and safe products.
5. Energy Efficiency:
By removing moisture and contaminants from the compressed air, air dryers contribute to improved energy efficiency of the scroll compressor system. Moisture in the compressed air can cause pressure drops and increase the energy consumption of pneumatic equipment. Dry and clean compressed air reduces the load on the system and allows for more efficient operation, resulting in energy savings and reduced operational costs.
It’s important to select the appropriate type and capacity of air dryer based on the specific requirements of the scroll compressor system. Factors such as the desired level of air quality, flow rate, operating conditions, and the type of contaminants present should be considered when choosing an air dryer.
In summary, air dryers play a vital role in scroll compressor systems by removing moisture and contaminants from the compressed air. They contribute to improved performance, reliability, and energy efficiency of the compressor system, as well as protect downstream equipment and ensure the delivery of clean and dry compressed air for various applications.
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Are There Oil-Free Scroll Compressors Available?
Yes, oil-free scroll compressors are available in the market. Here’s a detailed explanation:
1. Oil-Free Design:
Oil-free scroll compressors, also known as dry scroll compressors, are specifically designed to operate without the need for lubricating oil. Unlike lubricated scroll compressors that rely on oil for lubrication and sealing, oil-free scroll compressors utilize alternative methods to achieve smooth and reliable operation.
2. Specialized Coatings:
One common approach in oil-free scroll compressors is the use of specialized coatings on the scroll elements. These coatings, typically made of durable materials such as Teflon or other polymers, provide a low-friction surface that reduces wear and eliminates the need for oil-based lubrication. The specialized coatings also contribute to sealing and maintaining the efficiency of the compression process.
3. Tight Tolerances:
Oil-free scroll compressors are manufactured with tight tolerances to ensure proper mating between the scroll elements. The precise design and manufacturing processes aim to minimize internal leakage and optimize performance without the need for oil-based lubrication. The tight tolerances also contribute to achieving higher efficiency and reliability.
4. Increased Cooling:
Oil-free scroll compressors often incorporate enhanced cooling mechanisms to manage heat generated during compression. They may feature improved heat dissipation through advanced materials, enhanced airflow, or additional cooling technologies. Efficient cooling helps to maintain the compressor’s temperature within acceptable limits and ensures reliable operation.
5. Reduced Maintenance:
Oil-free scroll compressors generally require less maintenance compared to lubricated compressors. Without the need for oil changes, filter replacements, or oil level checks, the maintenance requirements are simplified. Additionally, the absence of oil eliminates the risk of oil leaks or contamination, reducing the potential for system downtime and environmental concerns.
6. Application Range:
Oil-free scroll compressors are suitable for various applications where oil-free operation is required or preferred. They are commonly used in industries such as electronics, semiconductor manufacturing, medical and dental equipment, laboratories, food and beverage, and pharmaceuticals. These applications often demand clean air or gas without the risk of oil contamination.
7. Considerations:
While oil-free scroll compressors offer advantages in certain applications, it’s important to consider some factors. Oil-free compressors may have slightly lower efficiency compared to lubricated compressors. Additionally, the specialized coatings on the scroll elements may require periodic inspection and maintenance to ensure their effectiveness over the compressor’s lifespan.
When considering the use of oil-free scroll compressors, it’s recommended to consult with compressor manufacturers or HVAC professionals to evaluate the specific requirements of the application and ensure compatibility with the intended system design and performance goals.
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Can Scroll Compressors Be Used in HVAC Systems?
Yes, scroll compressors are commonly used in HVAC (heating, ventilation, and air conditioning) systems. Here’s a detailed explanation:
Scroll compressors offer several advantages that make them well-suited for HVAC applications:
1. High Efficiency: Scroll compressors are known for their high efficiency. The continuous compression process with minimal clearance volume reduces energy losses and improves overall efficiency compared to other compressor types. This can result in energy savings and lower operating costs for HVAC systems.
2. Quiet Operation: Scroll compressors operate with lower noise levels compared to some other compressor types. The interlocking spiral motion of the scrolls creates a smooth compression process with minimal pulsations, reducing vibration and noise generation. This is particularly beneficial for HVAC systems in noise-sensitive environments or residential settings where quiet operation is desired.
3. Compact Design: Scroll compressors have a relatively compact design, making them suitable for HVAC systems where space is limited. The absence of reciprocating parts and the compact arrangement of the scrolls contribute to the compactness of these compressors. This allows for easier installation in air conditioning units, heat pumps, and other HVAC equipment with space constraints.
4. Enhanced Reliability: Scroll compressors offer enhanced reliability due to their simple design and fewer moving parts compared to other compressor types. The absence of valves, piston rings, and other wearing components reduces the chances of failure or breakdown. This can result in improved system uptime and reduced downtime for maintenance or repairs in HVAC systems.
5. Variable Speed Operation: Many scroll compressors are available with variable speed drive (VSD) technology. This allows the compressor to adjust its speed and capacity based on the cooling or heating load requirements of the HVAC system. Variable speed scroll compressors offer better energy efficiency by matching the compressor’s output to the system’s demand, resulting in optimized performance and reduced energy consumption.
6. Wide Range of Capacities: Scroll compressors are available in a wide range of capacities to meet the varying needs of HVAC systems. Whether it’s a small residential air conditioning unit or a large commercial HVAC system, there are scroll compressors available in different sizes and configurations to accommodate the specific cooling or heating requirements.
Due to these advantages, scroll compressors are commonly used in various HVAC applications, including:
– Air conditioning systems for residential, commercial, and industrial buildings
– Heat pumps for heating and cooling applications
– Chiller systems for large-scale cooling in commercial and industrial settings
– Rooftop units for packaged HVAC systems on the roofs of buildings
– Refrigeration units for cooling and preserving perishable goods
– Process cooling and air handling units in industrial applications
In summary, scroll compressors are widely used in HVAC systems due to their high efficiency, quiet operation, compact design, enhanced reliability, variable speed capabilities, and wide range of capacities. These advantages make them a popular choice for various HVAC applications, providing efficient and reliable cooling and heating solutions.
editor by CX 2023-10-06