Select your language

Air-cooled screw chiller reduces energy consumption in data center

Con chiller tornillo enfriado por aire logran reducir el consumo de energía en data center

Brazil. A data center found in an LG Electronics chiller the solution to guarantee its continuous cooling process and reduce its energy expenditure.

The approach of this project responded to the client's need to obtain flexibility through several units by providing modular phased installation, part-load operation using geothermal energy and safe operation with 11 systems per block being N+1 (10+1).

Project description
It is an air conditioning project for a Data Center with modular growth.

Each module has a capacity of 3000 KW (2x 1500 kW) and the first module must have a backup chiller. The others will use the backup of the first module, each building supports up to 5 modules, totaling 15,000 kW per building.

- Publicidad -

The project includes 4 buildings with a total capacity of 60,000 kW.

Each building has a CAG where the chilled water supply and return system operates in a ring to allow flow in either direction, allowing for simultaneous maintenance of all elements of the system.

Project differential
With the growth in cooling demands due to the growth of internal processing, more and more technologies are being developed and adapted to reduce the electrical consumption of these systems while increasing operational reliability and safety.

Therefore, in addition to differentiated operating parameters, energy reuse is sought as a way to reduce costs.

In this particular case, the return of chilled water will pass through a geothermal recovery system in saturated soil at a constant temperature, naturally reducing the return temperature (free-cooling) and, consequently, reducing cooling efforts.

With the selected chiller, you get the advantage of maintaining the same circulating flow, reducing energy consumption by up to 50%.

Therefore, chillers capable of operating at partial loads provide the desired operational safety, the right capacity and significant savings compared to a conventional system.

- Publicidad -

Project Concept Geothermal Energy

  • Use of artificial lake to improve heat exchange.
  • Pipe system under the bottom of the lake (lower temperatures)
  • Natural convection within the lake.

Con chiller tornillo enfriado por aire logran reducir el consumo de energía 1

The theoretical model indicates an estimated required length of 600 m – 750 m depending on the project conditions for a difference of 3°.

Con chiller tornillo enfriado por aire logran reducir el consumo de energía 2

The simulated results compared to the theoretical model have variable errors.

Promising result for the mixture of water and ethylene glycol, but more checks are needed given the relative error.

Con chiller tornillo enfriado por aire logran reducir el consumo de energía 3

Con chiller tornillo enfriado por aire logran reducir el consumo de energía 4

Con chiller tornillo enfriado por aire logran reducir el consumo de energía 5

Con chiller tornillo enfriado por aire logran reducir el consumo de energía 6

- Publicidad -

According to LG Selección, the Screw Inverter Chiller operates at 100% load with an input of 26.83ºC and an output of 17ºC

With the use of geothermal energy for return cooling, the chiller's inlet temperature will drop to 22ºC, with this operation a partial load of 50% is reached.

This will reduce consumption from 519 kW to 258.1 kW per unit.

This will mean a reduction in consumption of almost 50%.

Con chiller tornillo enfriado por aire logran reducir el consumo de energía 7

Proceeds

  • Reduced energy consumption.
  • System security, with 1-unit redundancy.
  • Longer service life due to part-load operation.
  • Use of heat recovery by Geothermal (Free Cooling).

No comments

• If you're already registered, please log in first. Your email will not be published.

Leave your comment

In reply to Some User
KNX Latin America Building Automation Days: a key event to boost your business in automation and home automation

KNX Latin America Building Automation Days: a key event to boost your business in automation and home automation

Chile. On May 15, Santiago de Chile will be the meeting point for automation and intelligent technology professionals, with the holding of the Building Automation Days by KNX LATAM – Chile Edition.

Europe accelerates the transition to natural refrigerants in the rail sector

Europe accelerates the transition to natural refrigerants in the rail sector

International. BITZER presents efficient and sustainable solutions for HVAC systems in trains. European regulation accelerates the transition to natural refrigerants in mobile applications, boosting...

Webinar: Design and Best Practices in Heat Exchangers for HVAC Systems

Webinar: Design and Best Practices in Heat Exchangers for HVAC Systems

International. Heat exchangers are essential components in HVAC systems and represent a key element in the energy performance of buildings.

Giovanni Barletta is re-elected as president of ACAIRE for the ninth consecutive year

Giovanni Barletta is re-elected as president of ACAIRE for the ninth consecutive year

Colombia. With the support of more than 86% of the board of directors, Giovanni Barletta was re-elected as president of the Colombian Association of Air Conditioning and Refrigeration (ACAIRE) for...

Weston opens the first store with waterloop technology in Mexico in Jalisco

Weston opens the first store with waterloop technology in Mexico in Jalisco

Mexico. In an important step towards sustainability in the retail sector, Weston announced the opening of the first store in Mexico equipped with an eco-friendly waterloop refrigeration system.

Taco celebrates 50 years of the 007 circulator, an icon of efficiency in hydronic systems

Taco celebrates 50 years of the 007 circulator, an icon of efficiency in hydronic systems

United States. Taco marks this year the 50th anniversary of its renowned 007 circulator, a key component in residential and commercial hydronic systems in North America.

Atacama Oasis, Latin America's largest solar and energy storage project, advances

Atacama Oasis, Latin America's largest solar and energy storage project, advances

Chile. The first two phases of Oasis de Atacama, the largest solar energy and storage project in Latin America, have already entered operation in the Antofagasta Region of Chile.

Danfoss brings together global leaders to drive sustainable heating and cooling

Danfoss brings together global leaders to drive sustainable heating and cooling

International. Danfoss held Sustainable Heating and Cooling Week at its Nordborg headquarters, an event that brought together experts from around the world to strengthen collaboration between...

Webinar: Heat Exchangers: Design Ideas and Best Practices to Optimize Results

Webinar: Heat Exchangers: Design Ideas and Best Practices to Optimize Results

Topic: Heat Exchangers: Design Ideas and Best Practices to Optimize Results. By: Rafael Behar, Regional Sales Enablement Manager, Latin America - Armstrong Fluid TechnologiesDate: Tuesday, May 6,...

The HVAC/R sector will meet in Panama with ACR Latin America

The HVAC/R sector will meet in Panama with ACR Latin America

Panama. ACR Latin America invites the Panamanian community in the air conditioning and refrigeration sector to an integration night that will take place on April 24 at the Hotel Riu Plaza.

Free Subscription
Remember Me
SUBSCRIBE TO OUR NEWSLETTER
DO YOU NEED A SERVICE OR PRODUCT QUOTE?
LASTEST INTERVIEWS
SITE SPONSORS










LASTEST NEWSLETTER
Ultimo Info-Boletin