163 uppsatser · sida 7 av 11
samt förslag på energieffektiviserande åtgärder
… supplied with electricity. Furthermore, the industry is a major consumer of district heating, particularly for heating the supply air in the ventilation system. The energy-related processes in the operations consume about 2,300 MWh of electricity and 660 MWh of district heating …
… the design of a propersystem. Heat energy is today planned to be brought from district heating. It couldthou be replaced by other alternatives such as solar panels. To determine this, itinvestigates whether and to what degree solar panels can replace the district heat atthe …
… over, conference, night club, massage and swimming in the hotels pool section. District heating is the primary source of heat and is produced at the CHP-plant in Sandviken. When investigating the energy use of a building, an energy balance is constructed. In an energy balance …
Kartläggning av kylapotential för Vattenfall Värm
The Swedish energy company Vattenfall is currently the owner of the district heatingsystems in Nyköping and Motala. To be able to also offer cooling solutions tocustomers are becoming more and more important. This report describes the resultsof an investigation of the cooling …
… natural gas and biogas dominate. This situation appears, since Laholm has no district heating system. The local gas dependence can be both an economic and environmental problem, when gas prices increase and the availability of biogas for heating is reduced in favour of biogas …
… low to be used directly in the existing systems so an upgrade is needed. The district heating has the highest temperature requirements at 100°C in the winter. To reach the relatively high temperatures required a hybrid heat pump proves to be a suitable solution due to a good …
… Södermalm, owned by a property owner. The heating of the building comes from district heating. The property is built in 1962 and will in the near future be deeply renovated. Many current heating and ventilation solutions in the building are outdated and there is great potential …
… in emission trade. The included companies are companies that provide district heating, oil refinery, factories that produce iron, steel, glass, cement, ceramic and factories for paper and paper pulp production. The included companies in the emission trade can choose different …
En ändrad styrning av framtemperaturen
… a possible control strategy to minimize flow fluctuations in Uppsala’s district heating system. High variations in flow rate may lead to complications caused by hydraulic constraints in the district heating system. These complications, such as inadequate pressure and temperature …
… are compared with two reference alternatives producing DHW from electricity or district heating. The economical comparison uses a life cycle cost (LCC) perspective based on the present value of expenditures for investment, energy and annual operating and maintenance. The energy …
… of the present values of all costs. The model would be applicable for a larger district heating plant. Data regarding temperature were received from SMHI. Information considering fuel prices was taken from the Swedish Forest Agency and the facts about fuel usage were collected …
… are made. The investigation shows that business trips, electricity, district heating, service vehicles and households waste have the highest environmental impact. Bräcke Diakoni generally has no impact on the environment that needs urgent help. At the end of the report there are …
… neutral conductor loss in TN-S systems with a local connection to earth. If district heating pipes is supplied with insulated flanges it prevents stray currents and foreign potential to be spread in the district heating network.
… air heat pump in an apartment block that already has geothermal heat pump, district heating, oil- or biofuel heated system. To determinate the profitability, a reference building in Strömstad has been used and was considered a representative of Sweden’s other apartment blocks …
… Tekniska verken i Linköping AB (Tekniska verken) is responsible for the district heating network in Linköping. Their vision is to create the world’s most resource efficient region. An important step towards this vision is more efficient usage of produced heat, something which …
