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Case Study: A government building with strict requirement of solar energy contribution


Ariston Case Study for Construction Industry

 

The Project & Requirement The Ministry of Interior office of Saudi Arabia is placed in Jeddah. Here the requirement was to satisfy the hot water demand of the main building consisting of many offices and bathrooms. To say in numbers, the requirement was to set up a solar system that shall be capable of supplying 3.257 l per day at 60°C, at solar contribution of minimum 60% and the total annual energy requirements: 59354 kWh.

Proposed Solution – The project idea installing a solar forced system on the ministry of interior HRH Building along with supporting equipment to generate required temperature for achieving hot water supply in the required areas. The complete plant set up system was designed as a cohesive, packaged domestic hot water heating system incorporating the high-performance solar collectors, drain back thermal storage tanks, circulating pumps, and all other necessary controls for safe and efficient operation.

Installation & Technical Working – The proposed plant was successfully installed that helped save both energy and environment at the same time. The plant comprised of following machinery –

  • CYLINDER MAXIS CD1 Floor – standing vertical single-coil cylinder for the production of domestic hot water. Integrable with forced circulation solar system or high-power heating system.
  • KAIROS CF 2.0-1 V Solar collector for forced circulation.

Solar Heat production technology was put into effect at this plant. The solar system installed here was created through the installation of N°24 solar collectors type KAIROS CF 2.0-1 connected to N°2 storage tank MAXIS CD1 2000, single coil cylinders 2.000 l capacity. Both these cylinders are equipped with an electrical resistance of 24kW as a backup. A major benefit of these plant set ups being that they are all automated and thermoregulatory.

Conclusion – The solar system covers around 82.7% of the overall energy consumption significantly reducing CO2 emissions and gas consumption. After the successful running of this plant, the Solar system annual energy contribution was 51.290 kWh. Apart from that 13.344 kg CO2 Emissions was avoided along with 6.310 m of Natural gas savings.