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Content archived on 2024-05-24

Innovation in small capacity ammonia refrigeration plants (OSCAR)

Objective

Objectives and problems to be solved: The defined proposal targets of research consider the huge challenges and current questions of top priority in social, environmental and life areas. At present the used refrigerants possess an Ozon Depletion Potential and / or a Global Warming Potential. Ammonia is a natural and non-polluting refrigerant. Ammonia refrigeration plants works energy-efficient. Them are built so far only for larger refrigerating capacity. An immediate commercial exploitation of project results is aimed at to ease the market entrance for innovative economical and non-polluting ammonia refrigeration systems of small capacity. This objective will be achieved by designing, manufacturing, installation, operation and measurement of 6 demo plants in Germany and Denmark within a period of 2 years. Project consortium consists of the project co-ordinator Dresden Kühlanlagenbau GmbH (DKA), a plant installer from Germany, and further plant installer (SME) compact kältetechnik GmbH (comp), Germany, SVK-Industry (SVK), Denmark, Buus Refrigeration (BUUS), Denmark, as well as the research institutes (RTD) DTI Arhus (DTI) from Denmark and ILK Dresden (ILK) from Germany. Description of the work: The German and Danish plant installer are active in different application areas. It allows to cover the whole application range of small ammonia refrigeration plants. In detail, the following demo plants with the refrigerant ammonia or ammonia/DME will be manufactured, representing also the wide spectrum of applications and considering several types and circuits of refrigeration plants, various operating conditions, capacities and appropriate main components, as well as diverse connection techniques and materials: in Germany one refrigerating unit for normal cooling cells and one for deep freezing cooling cells by DKA and one brine chillier by compact as well as in Denmark one heat pump by SVK, one split system for cold storage rooms and one refrigeration unit with ice flake machine by BUUS. The working program has been prepared with a view to an optimum exploitation of each partner's special skills and to their commercial interest in the project. Furthermore, the program has been structured in a way that research and development tasks deeply correspond to the special local market conditions of each project partner. The working program of the development project was elaborated and divided into following main work packages: Plant application (choosing plant designs); Design of demo plants (calculation, ordering required materials and components for the demo plants, construction); Build up demo plants (building up demo plants in Germany and Denmark according to special application fields of SMEs); Measurement program (measuring program, analysis of operating, efficiency and different new components); Final report (report including all results of the project).Expected Results and Exploitation Plans: The proposed project focuses on the development and creation of some complete demo plants which will form the basis for the development of competitive small ammonia refrigerant plants. The project will end after having finished the analyses of prototypes within the field test. The research results will be provided to the SMEs in order to enable them to manufacture such refrigeration plants. Market potentials exist in following applications: craft (butchers, bakeries, laboratories, flower shops/tree nurseries); service; trade (supermarkets, consumer markets, purchase/warehouses); industry (heat pumps, air-conditioning appliances). The number of relevant plants is total in the EU 3.677.000 pieces. According to a scenario one or two 10 and 60 % of the total relevant plants are an economical potential. The potential is far above the economic possibilities of the SMEs taking part in this project, but they will catalyse the development out on the European market. An amortisation of the project funds will be expected to be less than 7 years. It is assumed that approx. 270 plants can be sold each year (DKA 100 pcs., compact 50 pcs., SVk 40 pcs. and Buus 80 pcs.) with an average size of 10 kW refrigeration capacity (price € 500 and profit gain 10%). This estimation is reserved in the comparison of the total actual market potential, but this calculation is connected with risks as in the legislation, energy tariffs.

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Funding Scheme

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CRS - Cooperative research contracts

Coordinator

DRESDNER KUEHLANLAGENBAU GMBH
EU contribution
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Address
Karlsruher Str. 111
01189 DRESDEN
Germany

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Total cost

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.

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Participants (5)

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