district heating Articles

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Thermodynamic analysis of a geothermal district heating system

by Inderscience Publishers  (Jun. 28, 2005)

Thermoeconomic analysis is considered a useful tool for investigators in engineering and other disciplines due to its methodology based on the quantities exergy, cost, energy and mass. This study deals with an investigation of capital costs and thermodynamic losses for devices in the Balcova Geothermal District Heating Systems (BGDHS). ...

Technical issues in low to medium-temperature district heating

by Inderscience Publishers  (Feb. 12, 2004)

Low-temperature district heating permits the use of energy resources formerly discarded or could not be claimed. However, its investment may be capital intensive because of equipment oversizing and temperature peaking required by conventional equipment. In classical design philosophy, flow is minimised in order to compensate some of the oversizing ...

Harbin daoli - District Heating, China case study

by DESMI A/S  (Mar. 19, 2014)

In cooperation with ABB A/S Skovlunde and APV A/S Kolding DESMI A/S replaced large parts of the heating network in Harbin in China. Daoli is one of the seven districts of Harbin, the largest city in North East China with approx. 11 million inhabitants. It is known for its bitterly cold winters and is often called the “Ice City” ...

Recycling industrial waste heat for sustainable district heating: a multi-actor perspective

by Inderscience Publishers  (Mar. 10, 2009)

Addressing the climate change and energy scarcity problems are two of the most complex sustainability challenges facing not only scientists, but also policy makers. Attempts at tackling these issues should be approached from two fronts: by increasing the energy efficiency (demand side) and by promoting the usage of renewables and non-Greenhouse ...

Pushing the Limits of Reengineering

by Sulzer Ltd  (Jul. 7, 2015)

Cutting-edge turbine technology enables more efficient and cleaner power generation. However, the service of advanced gas turbines is challenging—especially when parts need to be replaced. The example of a blade replacement project shows how Sulzer establishes innovative reengineering processes and contributes to a secure energy supply that ...

The Right Mix for Clean Air

by Sulzer Ltd  (Jul. 7, 2015)

Reducing air pollution is an increasingly important topic all around the world. Many governments—also in developing countries—set new limits for emissions such as nitrogen oxides in flue gas. Sulzer offers advanced mixing technology for flue gas cleaning. The installation in a large power plant shows that these high-performance ...

Thermodynamic assessment of an integrated system for cogeneration and district heating and cooling

by Inderscience Publishers  (Nov. 15, 2004)

A thermodynamic assessment is reported of a proposed system, for which advanced engineering designs have been developed for integrating cogeneration with district heating and cooling. The system was developed by Edmonton Power for the city of Edmonton, Alberta, Canada. Energy and exergy analyses are used to attain a more complete thermodynamic ...

Carbon Reduction Versus Affordable Warmth - the district heating challenge

by ENER-G  (Jan. 2, 2013)

Government and European Legislation, Building Regulations and planning requirements are driving the residential new build sector to consider and adopt technologies such as bio-diesel boilers, biomass boilers and heat pumps to support the delivery of low carbon developments. However, some of these more ‘exotic’ solutions have high fuel ...

Class a biosolids production at eastern municipal water district using heat pasteurization

by Ashbrook Simon-Hartley  (Oct. 21, 2000)

Since 1998, the Eastern Municipal Water District (District) has developed and successfully operated a heat pasteurization facility to treat extended aeration waste activated sludge (WAS) from the Perris Valley Regional Water Reclamation Facility (PVRWRF). The treatment train uses hot water to sludge spiral heat exchangers and a patented ...

First industrial application of an open absorption cycle for heat transformation in a district-heating network

by Inderscience Publishers  (Apr. 5, 2005)

The first plant for high temperature utilisation of higher heating value was realised under industrial conditions in a combined heat and power plant. The technology results in an increased heat recovery temperature and a stronger dehumidification of the flue gas. Beyond that, the use of large solution flow within an adiabatic absorber enables to ...

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