Objective
To build an energy saving district heating system with 3 gas heat pumps connected in cascades, using the heat contained in the water of a thermal well (thermal water). The capacity of the system is 13 500 MWh/year, the energy saving is estimated at 745 toe/year.
The special feature of this heating system is to heat the heating water and cool the thermal water not at once but in individual steps. The aim is to reduce the consumption of natural gas of the heat pump drives (gas motors), and of thermal water by increasing significantly the heat output of the heat pumps by maintaining a constant outlet temperature of the heat pump system. This is achieved by connecting the heat pumps in cascade. The heat pump with the highest heating water output temperature is fed with the highest thermal water input temperature whereas the heat pump with lowest heating water output temperature receives also the lowest thermal water input temperature. This ensures that each heat pump operates with the optimum heat output and that the consumption of natural gas is considerably lower than in the case where the heating water and the thermal water are heated or coded by heat pumps in parallel connection.
The control capability is the key element of the system. Arequirement is for instance that the heat pump operating sequence can be exchanged in order to achieve a similar number of operating hours for each pump.
A special feature of the heat pump system is the incorporation of supercoolers leading to a further improvement of the energy output/input ratio.
Fields of science (EuroSciVoc)
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Programme(s)
Multi-annual funding programmes that define the EU’s priorities for research and innovation.
Multi-annual funding programmes that define the EU’s priorities for research and innovation.
Topic(s)
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.
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.
Call for proposal
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Procedure for inviting applicants to submit project proposals, with the aim of receiving EU funding.
Funding Scheme
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.
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
7960 AULENDORF
Germany
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.