Don eppelheimer, trane
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EarthWise chilled water systems consume less energy, capital, and water through three main strategies: (1) using colder chilled water which reduces energy usage in chillers and chilled water pumps, (2) maintaining warmer cooling tower water which saves energy in condenser water pumps and cooling tower fans, and (3) implementing thermodynamic staging with series chillers which lowers compressor energy usage. These techniques were shown to save over 2.9 million gallons of water annually in a 10,000 ton chilled water system in Dubai.
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The document discusses field erected cooling towers, which are customized cooling towers designed for large industrial applications. It describes the different types of induced draft cooling towers based on their material of construction, including fiber reinforced polymer (FRP) towers. It emphasizes the importance of considering how the cooling towers will interact with their surrounding environment to prevent issues like recirculation, interference, and poor plume dispersion. Several case studies of large FRP cooling tower installations are presented.
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Individual metering of energy consumption provides benefits to building owners and tenants. BTU meters allow for more accurate measurement and billing of energy usage, which can lead to reduced consumption by 30% or more. Modern static BTU meters are more accurate than mechanical meters and require less maintenance. Automatic meter reading systems make it easy to remotely collect meter data with minimal manual reading required.
Hisham hajaj, stanley consultants
This document discusses sea water cooling towers. It provides an overview of why industries use sea water cooling systems, the typical infrastructure requirements like intake structures and piping, and the main types of cooling including once-through and evaporative cooling. It also describes advantages of circular cooling towers like lower costs and maintenance needs compared to mechanical draft towers. The case study of Jubail Industrial City in Saudi Arabia outlines the large-scale sea water cooling system used to provide cooling to multiple industrial plants.
George hoetricks, evapco
1) Cooling towers require careful design consideration of factors like approach, range, avoidance of recirculation, use of variable frequency drives for fan motors, cooling tower basin design, and obtaining high quality components.
2) Key components like the fiberglass reinforced plastic (FRP) structure, fans, fan stacks, air inlet louvers, drift eliminators, and fill must meet specifications and standards to ensure proper performance and longevity of the cooling tower.
3) Cooling tower suppliers should provide documentation and certification to verify their components meet quality standards to deliver the required performance over the tower's lifetime.
0125262011 Fadi hashem, dc pro engineer
The document discusses district cooling in Kuwait and the GCC region. It summarizes that district cooling can provide significant benefits to Kuwait including reducing infrastructure costs, decreasing carbon emissions, and lowering power consumption compared to traditional air conditioning systems. Key benefits mentioned are reducing electric demand by over 1,200 MW and power consumption by over 2,700 GWh through implementation of district cooling with thermal energy storage in Kuwait. Several large existing district cooling projects and plants currently operating in Abu Dhabi, Dubai, Qatar, Oman, and Saudi Arabia are also summarized.
0125262011 Fadhel kazemi, Tekneen
1. The document discusses creating national will to achieve the national destiny and purpose set by GCC country leaders, including reducing energy demand and emissions.
2. It presents district cooling as a way to efficiently cool different building types and proposes various investment options for states, recommending public-private partnerships and third party investments.
3. A decision matrix compares investment alternatives based on economic and financial factors, concluding that a third party investment using a BOOT method is most suitable.
KDC11- Anand Rohatgi, Synergy Consulting
This document discusses why district cooling projects under a BOT/BOO structure may not be viable for private sector off-takers based on learnings from the Dhahran District Cooling Project. Key challenges for private developers include uncertain capacity planning and utilization, weak contractual frameworks, lack of utility guarantees, and high payment/credit risk from end users. These risks result in high costs of debt and equity that require very high tariffs to make projects financially viable. The Dhahran project succeeded due to support from the public sector off-taker which ensured long-term financing, adequate utility supply, a take-or-pay structure, and a strong contractual framework. The conclusion is that projects with private off-takers
Christian mosbock, ISOPLUS
Kuwait Pipe Industries & Oil Services Co. (K.S.C) and isoplus Austria have created a joint company called isoplus Middle East to produce and distribute pre-insulated piping systems. Isoplus Middle East offers a wide range of insulated steel pipes, fittings, and components to provide leak-tight piping networks with high quality thermal insulation and corrosion protection for various industrial applications. The company produces items at its new Kuwait facility and also distributes products from isoplus Group, a major European manufacturer of pre-insulated piping with over 5,500 km of pipes installed worldwide.
0125262011 Abdulhamid Al Mansour
District cooling can help mitigate challenges facing GCC countries in meeting escalating air conditioning demand. It reduces electricity consumption by 40% and creates a flatter demand curve. Thermal storage reduces required capacity and costs while district cooling is more environmentally friendly by increasing efficiency and lowering emissions. The industry has a long history worldwide and major projects exist across the Middle East, Asia, Europe, and North America. Governments can promote district cooling through various policies and outsourcing projects provides benefits like reduced costs and capacity needs.
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Yaqoub almatouq, ministry of social affair & labor
Yaqoub almatouq, ministry of social affair & labor
Don eppelheimer, trane
- 1. EarthWise TM Chilled Water Systems Consume Less Energy, Less Capital, and Less Water Donald Eppelheimer, PE Chilled Water Solutions Trane Company LaCrosse, WI deppelheimer @ trane.com
- 2. Annual Energy Consumption Chilled Water Systems Chiller Cooling Tower Water Pumps 1972 2010 73% 9% 18% 56% 27% 17%
- 3. Chilled Water System 10,000 cooling tons Dubai, UAE 7 0 C 40 0 C
- 4. Benefit of Colder Chilled Water TMBH EWT WTR LPS 576.5 7 C 6 C 7.3 575.6 5 C 9 C 4.8
- 5. 24000 18000 12000 6000 MWH chilled water 7 0 C 5 0 C chillers tower fans pumps Benefit of Colder Chilled Water
- 7. Chilled Water System 10,000 cooling tons Dubai, UAE 7 0 C 40 0 C 5 0 C 44 0 C
- 8. Cooling Tower Capital Cost 10000 ton chilled water system 30,000 gpm 20,000 gpm 15,000 gpm 9 cells 23 x 127 ft 386,000 lbs 8 cells 23 x 113 ft 341,000 lbs 6 cells 23 x 85 ft 257,000 lbs
- 10. Cooling Tower Energy Cost 10000 ton chilled water system 675 hp 360 hp 225 hp 40/34/30 44/34/30 42/34/30 30,000 gpm 20,000 gpm 15,000 gpm
- 11. 24000 18000 12000 6000 MWH chilled water 7 0 C 5 0 C tower water 44 0 C chillers tower fans pumps Benefit of Warmer Tower Water
- 13. Compressor Energy lift refrigerant mass flow compressor work
- 14. Compressor Energy lift cooling capacity compressor work 40 C 7 C 33 C
- 15. Thermodynamic Staging 44 41.5 39 36.5 34 16 13 10 7 4 lift 32.5 C
- 16. lift cooling capacity compressor work 44 C 4 C ~32 C Thermodynamic Staging
- 17. 24000 18000 12000 6000 MWH chilled water 7 0 C 5 0 C tower water 44 0 C series chillers chillers tower fans pumps Benefit of Series Chillers
- 19. Chilled Water System 10,000 cooling tons