Salam Centre for Cardiac Surgery

The Salam Centre for Cardiac Surgery

The Salam Centre is run and managed by the Italian based humanitarian organisation EMERGENCY.
Since April 2007, the Centre provides high standard, free of charge paediatric and adult cardiac surgery.

Solar panels

Every hour, the Salam Centre necessitates circulating 28,000 cubic meters of cold air.

This has been achieved by a system employing 288 vacuum-sealed solar collectors (for a total surface of 900 sqm) producing 3,600 kWh with zero CO2 emission, an amount of energy that would otherwise require burning 335 kg of gasoline per hour.

Every solar collector houses copper tubing to circulate water; copper pipes are lodged inside vacuum-chambered glass tubes, allowing the sun to heat the water by irradiation, without heat dispersion. The water running through the pipes constitutes the vector fluid transferring heat to a 50 cubic metres reservoir, where water is stored at a temperature around 90 °C.

The transformation of heat into cooling power takes place in 2 absorption chillers, where the circulating hot water heats up a solution of Lithium bromide. By reaching the gaseous state, Lithium bromide removes heat and water cools down to 7 °C.

This cold water is then circulating in the Air Treatment Units (ATU), cooling air to the desired temperatures. From the 8 ATU installed in the Centre, air is then further filtered by F7, F9 or absolute filters, according to the needs of the different areas of the Centre.

Should solar energy be insufficient to meet the Centre's cooling requirements, 2 gasoline boilers switch on automatically re-adjusting the water temperature in the reservoir, ensuring an optimal functioning of the chillers.

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