Objective
The main goal of this project is to realize a solar collector system for space cooling (summer), heating (winter), and for sanitary hot water in a large existing hotel building, modifying the actual two fuel boiler room and some its technological parts.
The project is realized in a existing hotel complex having two buildings; the first one is the hotel building with 108 rooms and common parts such as restaurant, bar, hall, with 18000 m3 of volume; the second is the tower building with 16 floors and 9700 m3 of volume. The project consists of the replacement of the existing heating (fuel burners) and cooling system (compression cooling machine) by a solar system and absorption heat pump.
The new installation consist of :
- a single heating system for both hotel and tower buildings;
- 328 m2 of high efficiency solar collector installed on the roof of the hotel (inclination : 45 deg. , orientation : south;
- a heat storage volume of 36 m3 water suddivided in three vessels of 12 m3 each equipped with external heat exchangers for the hot water.
The collectors are operating in summertime (when cooling is needed) at 95 deg. C, during the other months at 60 deg. C. The collectors are of a boiling condensing heat transfer type, with the fluid, evaporating in the collector and condensing in a condensor. The absorption cooling machine uses lithiumbromide, for its high efficiency and low generator temperature of 90 deg. C (instead of 130 deg. C for amonia).
The operation in summertime is as follows :
The collectors deliver heat at 95 deg. C to the 36 m3 storage tank, which then supplies heat to the absorption cooler. The low temperature heat from the cooling machine (which goes normally to the cooling tower) is used to preheat the sanitary water (9 m3/day) to 40-45 deg. C. This is further heated to the required 60 deg. C through coils in the 36 m3 storage.
The operation on wintertime :
The cooling machine is by-passed, and the collectors deliver heat at 60 deg. C which is used for space and sanitary water heating. If the 36 m3 storage tank is below 50 deg. C, then the auxiliary heaters (fuel burners) are operated. The whole system will produce an fuel saving of 61 tons per year, and the elimination of the compressor cooling machine will save yearly 110 MWh electricity.
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Programme(s)
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Multi-annual funding programmes that define the EU’s priorities for research and innovation.
Topic(s)
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Calls for proposals are divided into topics. A topic defines a specific subject or area for which applicants can submit proposals. The description of a topic comprises its specific scope and the expected impact of the funded project.
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Funding Scheme
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Funding scheme (or “Type of Action”) inside a programme with common features. It specifies: the scope of what is funded; the reimbursement rate; specific evaluation criteria to qualify for funding; and the use of simplified forms of costs like lump sums.
Coordinator
03500 BENIDORM
Spain
The total costs incurred by this organisation to participate in the project, including direct and indirect costs. This amount is a subset of the overall project budget.