Oven Set Off Carbon Monoxide Detectory

The wind and the wind

be in densely populated areas with a composite energy sources and consumer networked intelligent. Supply and demand to be better synchronized, allowing for high energy efficiency. This can save valuable energy sources such as sewage, seawater or waste heat from industrial plants are used commercially.

Zurich

Lake Zurich is a popular and well known tourist region, and also the main drinking water reservoir for the city and agglomeration of Zurich. Its water also serves as an ideal energy source for three seawater composites, the heat around the Lake Zurich various buildings and cool. In the winter escape the heat pumps to heat the water heat and therefore building. In summer the reverse is true: the water is directly or by means of refrigerating machines used efficiently for the cooling of services and businesses. The conditioners remove the lake water, but only for the production of heat or cold energy needed. The three composites seawater Escherwiese, Fraumünster and Falkenstrasse are concrete examples of this innovative solution. Set the environmental and energy policies of the City of Zurich and the federal government consistently in practice.

Seeverbund Fraumünster

In November 2006, was a 750 meter long sea-water line, which to tap the energy source for heating and cooling means Heat pump / cooling machine is used, laid in the Limmat River from the height Kappelergasse up in the lake. In preparation for the line was first prepared floating on the river Limmat and the lake before it was anchored to the ground continuously. The lake water amended, and the interconnections between the individual objects were created in January 2007. The first energy delivery from the central Fraumünster post was October 2007. Even the town house of Zurich and other objects at the Fraumünsterstrasse obtained by a local distribution grid heat and cold. Both the Bellevue-house and the house metropolitan energy from the seawater.

energy data show the efficiency ewz pursues its aim to create systems so that the necessary energy resources efficiently, economically and also environmentally friendly and ready. It is important to reduce the consumption of fossil fuels and CO2 emissions. With this innovative power supply solution, the air is released annually by about 300 tonnes of CO2.

data of sea-water composites

seawater

The direct use of seawater is usually associated with contamination problems. One way to use, heat from a lake, is to move to a collector in the water and escape with a brine heat pump energy. However, this requires careful planning and is only possible if the water is high enough, or a flow of the water is present. Special attention should be paid to find the attachment of the collector pipes, as this can cause very high costs. Possible consequences of the lakes are not yet demonstrated. The researchers see in this regard but no problems.

Short Description pump

benefit the heat pump for heating and hot water heaters free environmental energy that picks you from the sun's energy stored in the soil, water and air. So it is possible to drive from one part of four parts heat energy to produce. There are different heat pump systems that differ in their operation. First, there is the geothermal heat pump, water pump and air pump. Thanks to the use of environmental heat the heat pump is very economical. It uses less primary energy than conventional heating systems. The operating costs are cheaper than other heating systems because such costs can be saved for a chimney sweep. Compared to an oil-fired boilers, the energy consumption to be around 40 percent while reducing emissions of climate-threatening carbon dioxide by about 50 percent. The heat pump function is given by a closed cycle process. The heat pump converts even at winter temperatures below zero low temperature heat to heat a high temperature. Responsible for this is the physical principle that - in analogy to the fridge - is taking heat pumps with a closed loop process: The working fluid continuously changes its physical state, vaporized, compressed, liquefied and expanded. Working fluids (refrigerants) are substances which evaporate at low temperatures and also have high internal heat. Today, CFC and HCFC free, non-toxic, biodegradable and non-flammable working fluids in use. Escape the heat pump house area - that is, the soil, water or the air - the heat contained and this is inclusive of the electrical drive energy as heat to the heating and hot water cycle.

Carmen Schwegler 

Zürich, 15.04.09

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conversation with ewz

interview with project leader and Mertopol Bellvue