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Coolant Distribution Units for Data Center Cooling

 

Coolant Distribution Units (CDU) for Data Center Cooling

 

Data center liquid cooling is an efficient and environmentally friendly cooling method for managing the heat generated by the numerous devices in a data center. Compared with traditional air cooling methods, liquid cooling technology has higher heat transfer efficiency, thereby improving equipment performance, reducing energy consumption and operating costs. Liquid cooling is a new technology that uses liquid as a refrigerant to dissipate heat from heat-generating components. Building a liquid-cooled data center based on liquid-cooling technology and liquid-cooled servers and other equipment can reduce heat dissipation energy consumption by nearly 90%, and the overall data center energy consumption can be reduced by nearly 36%, which is an important condition for improving data center performance.

 

Cooling Technology And Solutions

The current data center cooling technology is mainly based on air cooling. Air cooling is to use air as a refrigerant to transfer the heat emitted by the server motherboard, CPU, etc. to the radiator module, and then use fans or air conditioners to blow the heat away. This is the main reason why cooling systems consume nearly half of a data center’s electricity.

Air cooling includes direct air natural cooling technology and indirect air natural cooling technology. Direct air cooling can be based on the outdoor temperature, combined with mechanical refrigeration to dissipate heat for the internal equipment of the data center. This technology has high energy efficiency, but the uncertainty of air quality will bring greater risks, especially if the outdoor air humidity is too high or too much harmful gases, which can cause damage to IT equipment. In order to avoid this situation, data centers in recent years have begun to adopt indirect air natural cooling technology, which cools the indoor hot air through the outdoor cold air through the air heat exchanger, and prevents the outdoor air from entering the data center, which is less affected by the environment.

 

Best Cooling System for Data Center

 

These two air-cooling technologies have relatively high efficiency, but they have high requirements on the environment and installation, which will cause loss to IT equipment and reduce reliability. As the scale of data centers increases and the power density of a single cabinet increases, higher requirements are placed on cooling. Therefore, liquid cooling technology for next-generation IT systems emerges as the times require.

As a new heat dissipation method, liquid cooling realizes system heat exchange through external cooling water or chilled water system. Specifically, liquid with high specific heat capacity is used as the heat transfer working medium to meet the cooling requirements of IT equipment (such as servers).

At present, the mainstream solutions based on liquid cooling technology include cold plate liquid cooling and immersion liquid cooling.

Cold plate liquid cooling is also called indirect liquid cooling, that is, the refrigerant is separated from the cooled object without direct contact. The heat of the object to be cooled is transferred to the refrigerant through high-efficiency heat conduction components such as liquid cooling. Generally, cold plate liquid cooling is only used to cool key components such as CPU and memory, which only accounts for about half of the total heat generation. Therefore, it needs to be combined with air cooling to reduce the number of fans and power consumption of IT equipment, and achieve a large degree of energy saving.

Immersion liquid cooling is also called direct liquid cooling. It is to immerse all high-heat components such as server motherboards, CPUs, and memory into cooling liquid, and use cooling liquid instead of air to cool IT equipment, so that the cooled objects and The refrigerant is in direct contact, so that the cooling uniformity of the heating components is better, and a liquid with a phase change at a certain temperature can be selected.

Compared with air cooling, liquid cooling has more obvious advantages in heat exchange medium, driving components, heat dissipation capacity, energy saving, noise reduction, construction cost and site selection.

coolant distribution unit CDU

 

Advantages Of Coolant Distribution Units (CDU)

  • Energy saving

90%-95% reduction in heat dissipation energy consumption; 10%-20% reduction in IT equipment energy consumption.

  • Cut costs

The construction cost is lower than that of the traditional computer room.

  • Easy to install

Less restrictions, PUE meets environmental and low-carbon requirements.

  • Safe and reliable

Coolant can improve the operating environment of IT equipment, making it safer and more reliable.

  • Low carbon and environmental protection

Solve power resources, save energy and reduce consumption, and the PUE can be close to 1.0.

coolant distribution unit

 

Products And Solutions

 

Model ZLFQ-15 ZLFQ-25 ZLFQ-50 ZLFQ-75 ZLFQ-100 ZLFQ-150
Temp range  +5℃~35℃ +5℃~35℃ +5℃~35℃ +5℃~35℃ +5℃~35℃ +5℃~35℃
Cooling water 5℃~30℃ Adopt Siemens/Honeywell regulating valve to control cooling water flow
Temperature control accuracy ±0.2℃ ±0.5℃ ±0.5℃ ±0.5℃ ±0.5℃ ±0.5℃
flow control 10~25L/min 25~50L/min 40~110L/min 70~150L/min 150~250L/min 200~400L/min
The flow control is adjusted by frequency converter, the accuracy is ±0.3L/min
Cooling capacity (MAX) 15kW 25kW 50kW 75kW 100kW 150kW
Storage volume 15L 30L 60L 100L 150L 200L
Brine Water, silicone oil, fluorinated liquid, ethylene glycol aqueous solution, etc.
Medium pipeline SUS304 SUS304 SUS304 SUS304 SUS304 SUS304
In and out interface size G3/4 G1 G1 DN32 DN40 DN50
Cooling water interface G3/4 G1 DN40 DN50 DN50 DN65
Cooling water flow 7~20℃ 2.5m³/h 4m³/h 8m³/h 13m³/h 17m³/h 25m³/h
380V 50HZ  1kW 1.5kW 3kW 4kW 5kW 6kW
shell Cold-rolled sheet spray RAL7035

 

Model ZLFQ-200 ZLFQ-250 ZLFQ-300 ZLFQ-400 ZLFQ-500
Temp range  +5℃~35℃
Temp accuracy ±0.5℃
Flow control 15~30m³/h 20~35m³/h 25~40m³/h 30~60m³/h 40~70m³/h
Cooling capacity(MAX)  200kW 250kW 300kW 400kW 500kW
Storage volume 250L 300L 600L 1000L 1200L
Medium Water, silicone oil, fluorinated liquid, ethylene glycol aqueous solution, etc.
Medium pipeline SUS304
In and out interface size DN65 DN65 DN65 DN80 DN80
Cooling water interface DN80 DN80 DN100 DN100 DN125
Cooling water flow 7~20℃ 34m³/h 43m³/h 51m³/h 69m³/h 86m³/h
Power supply 380V 50HZ 7kW 7kW 8kW 9kW 13kW
shell Cold-rolled sheet spray RAL7035

 

cooling distribution unit

 

We provide complete temperature control system design and manufacturing. From standard models to complete customized products up to 1000 tons. We specialize in customer service and are dedicated to helping each customer have the optimal temperature control system for their specific need.

We provide non-standard customized solutions. 

 

Email: lilia@lneya.com   WeChat ID: +8615251628237    WhatsApp: +86 17851209193

 

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Why Choose Us?

LNEYA is a professional temperature control equipment manufacturer with decades of experience in research and development in the field of high and low temperature control, and its products are used in various industries. We can design any temperature control system according to your requirements, whether it is accessories: pumps, heat exchangers, condensers, etc., or refrigeration types: air-cooled, water-cooled, multiple cooling circuits, etc.

 

custom chillers

 

Our Services

Customized Designs—Our products can be built in any type of variation to your exact specifications.

Competitive Pricing—We offer great prices on equipment that exceeds industry standards, guaranteeing the highest quality.

Same Day Quotes—Get a quote for your project today! We often provide custom quotes in as little as 30 minutes.

24/7 Customer Service—We are always here for you. Whether you have a question or need a quote, there’s always somebody here to communicate with you 24/7.

Durable and Reliable Equipment—Our products are built with premium-grade materials, and we offer competitive warranties on all custom chillers.

 

Contact Us Today

Contact us today and learn more about our abilities in manufacturing custom chillers. Our staff welcomes any application challenges concerning your custom chillers.

 

 

Dear Sir/Madam, please fill out the form below and one of our team members will be in touch shortly!

Email: lilia@lneya.com    WeChat ID: +8615251628237    WhatsApp: +86 17851209193

 

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