| Customization: | Available |
|---|---|
| After-sales Service: | 7 X 24 Hours |
| Warranty: | 15 Months |
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A screw compressor refrigeration system is a type of refrigeration system commonly used in industrial applications. It consists of one or more screw compressors, which compress the refrigerant gas, a condenser for rejecting heat, an evaporator for absorbing heat, and a refrigerant control system.
The screw compressor is the heart of the system and is responsible for compressing the refrigerant gas. It typically consists of two interlocking screws that rotate to compress the gas. This design offers high efficiency and reliability and is suitable for applications with varying cooling demands.
The condenser is where the hot refrigerant gas is cooled and condensed into a liquid. It typically utilizes water or air as the cooling medium to remove the heat from the refrigerant.
The evaporator is where the liquid refrigerant evaporates, absorbing heat from the surroundings and cooling the desired area or equipment in the industrial process. The evaporator can be designed as a shell-and-tube or plate heat exchanger, depending on the specific application requirements.
The refrigerant control system is responsible for regulating the flow of refrigerant and maintaining the desired temperature. It consists of various components such as expansion valves, pressure and temperature sensors, and control algorithms to ensure precise temperature control and efficient operation.
Industrial chilling systems using screw compressor refrigeration technology offer advantages such as high cooling capacity, energy efficiency, and reliability. They are commonly used in industries such as manufacturing, food and beverage, chemical processing, and HVAC systems where large cooling capacities and precise temperature control are required.
Air-cooled screw chillers have large cooling capacity and are easy to install. They are widely used in plastic factories, chemical plants, and commercial air conditioners.
An air cooled screw chiller is a type of refrigeration system used for cooling applications. It uses a screw compressor as the main component to circulate the refrigerant and remove heat from the system. Unlike water cooled chillers that require a separate cooling water source, air cooled screw chillers use ambient air as the cooling medium.
The application of air cooled screw chillers is wide-ranging and can be found in various industries and processes, including:
Commercial Buildings: Air cooled screw chillers are commonly used in office buildings, hotels, shopping malls, and other commercial facilities for air conditioning and HVAC (Heating, Ventilation, and Air Conditioning) applications.
Industrial Processes: They are utilized in industrial processes that require cooling, such as plastic manufacturing, rubber processing, metalworking, pharmaceutical production, food and beverage processing, and chemical manufacturing.
Data Centers: Air cooled screw chillers can provide cooling for data centers to maintain optimal temperatures for servers and sensitive electronic equipment.
Power Plants: They may be used for cooling in power generation plants, specifically for cooling turbine generator units and other equipment.
Hospitals: Air cooled screw chillers play a crucial role in providing cooling for critical areas in hospitals, such as operating rooms, laboratories, and medical equipment rooms.
Event Venues: They are frequently employed in convention centers, concert halls, and stadiums to maintain comfortable temperature conditions for large gatherings.
Air cooled screw chillers offer advantages such as simplified installation (no need for a separate cooling tower or water source), reduced water consumption, flexibility in installation locations, and ease of maintenance. However, they generally have slightly lower cooling capacity compared to water cooled chillers and may be affected by ambient temperature and air quality.
The air cooled screw chiller system assures the stable chilled water supply. The air chilling system functions well in industrial applications such as the cooling of production process lines in manufacturing plants, as well as in air conditioning.
OUMAL air cooled screw chiller adopts branded screw type compressor with low noise & vibration, which provides superior performance while lowering energy consumption and dramatically reducing noise levels. High efficient copper condenser and evaporator are made with fined copper tube for heat exchange. Also famous control components ensure stability, durability and reliability. OUMAL air cooled screw chiller systems comes with Eco-friendly R- 407c refrigerant able to delivery excellent performance at high ambient temperature condition. In a word, OUMAL air cooled screw chiller unit features high cooling capacity from 30Ton to 500Ton , but these air screw chillers comes with compact size, easy operation and maintenance.
Screw chiller systems by air cooled with various cooling capacity are available in many models. Just see following specifications for the air screw chiller systems, or just contact us with your cooling requirements and our engineer will diagnose and select suitable models as per your needs.
Compressor features:
• New screw type compressor with 20%-30% higher in efficiency.
• Cooling capacity control available at four steps (100%-75%-50%-25%), three steps (100%-66%-33%) or no steps control system.
• High efficiency, low noise and vibration, easy to install.
• Environmental protection refrigerant R134a, R407c available.
Control operation system:
• SIEMENS PLC program control system, human-computer interface with big LED touch panel, running state displaying in multi-language, and self-diagnosis for easy operation and supervision.
• Extended industrial interface, convenient for being computer monitor via network.
Completely safety protection function:
• Multisafety protection by high and low pressure, compressor overheating, overloading, over temperature, flow switch, phase sequence, phase-missing, exhaust overheating and anti-freezing.
| Item Model | OMC-100ADH | OMC-120ADH | OMC-150ADH | OMC-170ADH | OMC-200ADH | OMC-240ADH | ||
| Cooling Capacity | kcal/h | 282080 | 302376 | 404200 | 477988 | 562268 | 658416 | |
| KW | 328 | 351.6 | 470 | 555.8 | 653.8 | 765.6 | ||
| Ton | 93.3 | 100.0 | 133.6 | 158.0 | 185.9 | 217.7 | ||
| Btu/h | 1119454 | 1200000 | 1604096 | 1896928 | 2231399 | 2612969 | ||
| Input Power | KW | 99.4 | 112.6 | 152.2 | 179 | 210.4 | 238.4 | |
| Max.running Current | A | 242 | 264 | 342 | 394 | 464 | 554 | |
| Power | 3PH-380V/415V 50Hz (3PH-220V/440V 60Hz ) | |||||||
| Refrigerant | Type | R22 ( R407C ) | ||||||
| Charge quantity | kg | 70 | 84 | 106 | 120 | 140 | 170 | |
| Control Mode | Expansion Valve | |||||||
| Compressor | Type | Semi-Hermetic Screw | ||||||
| Power | KW | 46.1 x 2 | 51.9 x 2 | 69.9 x 2 | 81.7 x 2 | 96.2 x 2 | 109.4 x 2 | |
| Start-up Mode | Y-△ | |||||||
| Capacity control | % | 0-25-50-75-100 (0-33-66-100) | ||||||
| Evaporator | Type | Shell and tube | ||||||
| Chilled water flow | m3/h | 56.4 | 60.5 | 80.8 | 95.6 | 112.5 | 131.7 | |
| Pipe Diameter | lnch | 3" | 3" | 3" | 3" | 4" | 4" | |
| Condenser | Type | Air cooled high-efficient inner threaded copper-tubing aluminum fin type | ||||||
| Fan | Type | Low noise outer rotor | ||||||
| Power | KW | 7.2 | 8.8 | 12.4 | 15.6 | 18 | 19.6 | |
| Cooling air flow | m3/h | 100000 | 120000 | 150000 | 170000 | 200000 | 240000 | |
| Safety Protection | compressor over heat protection, over load protection,high and low pressure protection,reversed and lacking phase protection, anti-freezing protection, flow switch | |||||||
| Dimension | Length | mm | 4000 | 4800 | 6200 | 6800 | 7800 | 8400 |
| Width | mm | 1950 | 1950 | 2000 | 2000 | 2000 | 2000 | |
| Height | mm | 2200 | 2200 | 2200 | 2200 | 2200 | 2200 | |
| Net Weight | kg | 2860 | 3250 | 4200 | 4450 | 4850 | 5300 | |
| Running Weight | kg | 3020 | 3460 | 4430 | 4680 | 5120 | 5630 | |
Air-cooled screw chiller is a common industrial cooling equipment with the following advantages:
Air cooled screw chiller cooling capacity various from 100KW to 800KW. Air cooled screw chillers have several advantages:
No water requirement: Unlike water cooled chillers, air cooled screw chillers do not require a constant water supply or a cooling tower. This eliminates the need for water treatment and reduces water consumption and costs.
Easy installation: Air cooled screw chillers are relatively easy to install since they do not require a separate cooling water system. This simplifies the installation process and reduces the overall installation costs.
Flexibility in location: Air cooled screw chillers can be installed in various locations since they do not rely on a nearby water source. This makes them suitable for buildings or industrial facilities where water availability is limited or difficult to access.
Lower maintenance costs: Air cooled screw chillers typically have lower maintenance costs compared to water cooled chillers. They don't require regular cleaning or maintenance of cooling towers, condenser tubes, or water treatment systems, which can save both time and money.
Efficient operation: Air cooled screw chillers are designed with advanced screw compressors that provide efficient cooling performance. They can handle high heat loads and offer precise temperature control, ensuring optimal operation and energy efficiency.
Space saving: Air cooled screw chillers do not require a separate cooling tower, reducing the overall space requirements. This makes them suitable for installations where space is limited or where the use of a cooling tower is not feasible.
Environmental friendliness: Air cooled screw chillers have a lower environmental impact compared to water cooled chillers. They do not consume large amounts of water or require chemicals for water treatment, reducing water consumption and the risk of water pollution.
Overall, air cooled screw chillers offer advantages such as easy installation, flexibility in location, lower maintenance costs, efficient operation, space savings, and environmental friendliness. These factors make them a preferred choice for various cooling applications.
Q1: Could you help us to recommend the model for our project?
A1: Yes, we have engineer to check the details and make the scheme for you. Based on the following:
1)Cooling capacity;
2)chilled water inlet and outlet temperature
3)chilled water flow
4) Refrigerant;
5) Ambient temperature;
6)Voltage;
7) Be used for what industry?
8)Any other special requirements
Q2: How to ensure your product with good quality?
A2: All our products with CE certificate. And use the well-know brand compressors and refrigeration accessories . All OUMAL Chillers are factory tested under load conditions to ensure good quality and easy installation for users.
Q3: What's the warranty?
A3: 15 months warranty for free if confirmed by both side damage in the quality reason.
Q4: What's your payment term?
A4: We accept T/T, LC, Western Union, etc. Normally, 30% deposit for production, 70% balance before shipment.
Q5: Are you a manufacturer?
A5: Yes, we have more than 15 years in water chiller business. Also have patent on the water chiller appearance .
The control box design make the unit safety and stably.
Q6: How can i Place an order
A6: Send inquiry to us or Call us.
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