| After-sales Service: | 7X 24 Hours |
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| Warranty: | 15 Months |
| Type: | Water-Cooled |
| Cooling Method: | Screw |
| Unit Structure: | Integral |
| Selected Voltage: | 380V/50HZ |
| Customization: |
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Audited Supplier Low temperature water to Water cooled screw chiller ethylene glycol cooling water machine
Glycol water chiller also called low temperature water chiller. A glycol water chiller system is a type of cooling system that uses a mixture of water and glycol as the cooling medium. Glycol, typically ethylene or propylene glycol, is added to the water to lower its freezing point and inhibit bacterial growth. This type of chiller system is commonly used in applications where low-temperature cooling is required, such as in food and beverage processing, chemical plants, and HVAC systems.
An ethylene glycol chiller refers to a chiller system specifically designed to use ethylene glycol as the coolant or refrigerant. Ethylene glycol is a commonly used coolant in various industrial applications due to its excellent thermal properties and low freezing point. The chiller system uses ethylene glycol to absorb heat from the process or equipment and then circulates it through a refrigeration cycle to dissipate the heat and maintain the desired temperature.
Ethylene glycol chillers are often utilized in industries such as chemical manufacturing, pharmaceuticals, food and beverage, plastics, and HVAC systems. These chillers offer efficient and reliable cooling, especially in environments where there is a need for lower temperatures or where water-based coolant is not suitable due to freezing concerns. The ethylene glycol chiller system typically consists of a compressor, condenser, expansion valve, evaporator, and a pump or circulating system to maintain the flow of the ethylene glycol coolant.
The use of ethylene glycol as a coolant requires special attention to safety measures, as it is toxic when ingested and can be harmful if exposed to skin or eyes. Proper handling, storage, and disposal protocols should be followed when using ethylene glycol chillers to ensure worker safety and environmental protection.
Overall, ethylene glycol chillers provide an effective solution for process cooling requirements where low temperatures or alternative coolant options are necessary.
The working principle of a low-temperature water-cooled screw chiller is as follows:
Refrigeration Cycle: The chiller operates based on the vapor compression refrigeration cycle. It uses a refrigerant, typically R134a or R407c, which undergoes phase changes between a high-pressure gas and a low-pressure liquid to absorb heat from the process fluid.
Compressor: The chiller contains a screw compressor, which is the heart of the system. The compressor compresses the refrigerant vapor, increasing its pressure and temperature.
Condenser: The high-pressure, high-temperature refrigerant vapor then flows into the condenser. In the water-cooled system, the condenser is cooled by water that circulates through the condenser coils. As the refrigerant gives off heat, it condenses into a high-pressure liquid.
Expansion Valve: The high-pressure liquid refrigerant passes through an expansion valve, where its pressure is reduced. This results in a drop in temperature and the refrigerant changes into a low-pressure, low-temperature mixture of liquid and vapor.
Evaporator: The low-pressure refrigerant mixture enters the evaporator, which is in contact with the process fluid that needs to be cooled. Heat is transferred from the process fluid to the refrigerant, causing the refrigerant to evaporate. This absorbs heat from the process fluid and cools it down.
Refrigerant Return: The refrigerant vapor is then drawn back into the compressor to start the cycle again. The process fluid, now cooled, continues its flow to the desired application or process.
Overall, the low-temperature water-cooled screw chiller uses the principles of refrigeration to remove heat from the process fluid and maintain the desired low temperature. The continuous circulation of the refrigerant allows for efficient cooling and temperature control.
The main feature of a ethylene glycol water cooled chiller system includes:
Efficient Cooling: The glycol water mix provides effective cooling for various industrial processes, ensuring stable and reliable temperature control.
Anti-Freezing Protection: The addition of glycol prevents the water from freezing at low temperatures, making it suitable for applications in cold climates or where the cooling process requires lower temperatures.
Corrosion Prevention: The glycol in the system helps to inhibit corrosion and protect the components of the chiller system, extending its lifespan and reducing maintenance requirements.
Flexible Temperature Range: Glycol water cooled chiller systems can provide a wide range of temperature control, allowing for precise cooling requirements depending on the specific application.
Versatility: These chiller systems are suitable for various industries and applications, including food and beverage processing, pharmaceuticals, chemical production, HVAC systems, and more.
Energy-efficient Operation: Glycol water cooled chiller systems are designed for energy efficiency, with advanced compressors and heat exchange technology to optimize cooling performance and reduce energy consumption.
Reliable and Durable: The chiller system is built with robust components and is designed for continuous and long-term operation, ensuring reliable and consistent cooling performance.
Easy Maintenance: The chiller system is generally easy to maintain, with accessible components and controls for troubleshooting and routine service.
Overall, the glycol water cooled chiller system offers efficient and reliable cooling with anti-freezing protection and corrosion prevention, making it a suitable solution for various industrial applications that require precise temperature control.
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:
•Multi-safety protection by high and low pressure, compressor overheating, overloading, over temperature, flow switch, phase sequence, phase-missing, exhaust overheating and anti-freezing.
Specification:
| Item Model | OMC-40WSL | OMC-50WSL | OMC-60WSL | OMC-70WSL | OMC-80WSL | OMC-100WSL | OMC-120WSL | OMC-140WSL | OMC-160WSL | OMC-180WSL | |||
| Norminal cooling capacity | Temp | -10ºC | 71.7 | 94.1 | 102.5 | 124.9 | 137.1 | 186.9 | 222.7 | 265.9 | 307.4 | 345.7 | |
| -20ºC | 49.4 | 64.2 | 71 | 85.5 | 95.8 | 127.9 | 152.1 | 180.8 | 211.1 | 235.4 | |||
| -30ºC | 30.8 | 40.1 | 44.3 | 53.4 | 59.9 | 79.9 | 95.0 | 112.9 | 131.9 | 147.0 | |||
| Input Power | KW | 35.7 | 45.4 | 50.8 | 59.4 | 66.8 | 88 | 104.8 | 123.8 | 145.4 | 162.4 | ||
| Power Supply | 3PH-380V/415V 50HZ(220V/440V 60HZ)) | ||||||||||||
| Refrigerant | Type | R22 (R404A) | |||||||||||
| Control Mode | Expansion Valve | ||||||||||||
| Compressor | Type | Semi-Hermetic Screw | |||||||||||
| Power | KW | 35.7 | 45.4 | 50.8 | 59.4 | 66.8 | 88 | 104.8 | 123.8 | 145.4 | 162.4 | ||
| Start-up Mode | Y-△ | ||||||||||||
| Capacity Control | % | 0-25-50-75-100 (0-33-66-100) | |||||||||||
| Evaporator | Type | Temp | Shell and Tube | ||||||||||
| Chilled Water Flow | -10ºC | m3/h | 12.3 | 16.2 | 17.6 | 21.5 | 23.6 | 32.1 | 38.3 | 45.7 | 52.9 | 59.5 | |
| -20ºC | 8.5 | 11.0 | 12.2 | 14.7 | 16.5 | 22.0 | 26.2 | 31.1 | 36.3 | 40.5 | |||
| -30ºC | 5.3 | 6.9 | 7.6 | 9.2 | 10.3 | 13.7 | 16.3 | 19.4 | 22.7 | 25.3 | |||
| Pipe Diameter | Inch | 3" | 3" | 3" | 3" | 4" | 4" | 4" | 5" | 5" | 6" | ||
| Condenser | Type | Shell and Tube | |||||||||||
| Cooling water flow | m3/h | 18.4 | 23.9 | 26.3 | 31.6 | 35.0 | 47.1 | 56.1 | 66.8 | 77.6 | 87.1 | ||
| Pipe Diameter | Inch | 3" | 3" | 3" | 3" | 4" | 4" | 4" | 5" | 5" | 6" | ||
| Safety Protection | Compressor over temperature protection, over load protection, high and low pressure protection, anti-freezing protection, reversed and lacking phase protection, fusible blug, flow switch | ||||||||||||
| Dimension | Length | mm | 1960 | 2130 | 2450 | 2450 | 2750 | 2750 | 2750 | 2750 | 3460 | 3460 | |
| Width | mm | 855 | 855 | 985 | 985 | 1050 | 1050 | 1050 | 1050 | 1250 | 1350 | ||
| Height | mm | 1540 | 1540 | 1600 | 1600 | 1600 | 1600 | 1730 | 1730 | 1730 | 1760 | ||
| Net Weight | kg | 820 | 950 | 1120 | 1300 | 1560 | 1720 | 2030 | 2200 | 2410 | 2630 | ||
| Running Weight | kg | 970 | 1060 | 1270 | 1480 | 1780 | 1960 | 2250 | 2430 | 2470 | 2920 | ||
The application of a low temperature water-cooled screw chiller is typically found in various industrial processes that require precise cooling at low temperatures. Some common applications include:
Food and Beverage Industry: Low temperature water-cooled screw chillers are used for cooling in food processing and preservation applications such as cold storage, freezing, and beverage production.
Chemical and Pharmaceutical Industry: These chillers are utilized for precise temperature control in chemical reactions, pharmaceutical manufacturing, and laboratory settings where low temperature cooling is required.
Plastics and Rubber Industry: Low temperature water-cooled screw chillers are used in plastic injection molding, extrusion, and other processes that require cooling to maintain product quality and consistency.
HVAC Systems: These chillers can be employed in commercial and industrial HVAC systems where low temperature cooling is necessary for air conditioning, climate control, and temperature-sensitive equipment cooling.
Research and Testing Facilities: Low temperature water-cooled screw chillers find application in research laboratories, testing facilities, and universities where precise and stable low temperature cooling is required for scientific experiments and testing.
Overall, low temperature water-cooled screw chillers are essential in various industries and processes that demand reliable and efficient cooling at low temperatures, ensuring optimal process control and product quality.
FAQ
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 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: Whats 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: Fill the table below to send an inquiry or Call us.
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