Dutch town with fishing past, Duindorp, took advantage of the recent extensive remodeling to moved to a new renewable remember energy source for home heating. A bit unusual is "heating plant" for the entire district became remember self near the sea, where a sophisticated distribution system filtered water is pumped into each home.
Duindorp, which is located near The Hague, the time of its greatest fame in the thirties of the last century. At that time, they built a large and low houses of fishermen (and employees bound manufacturing) that actually grew like mushrooms after rain.
In the current project to reconstruct reached for developers and company Deerns International (DI) as well as one of the innovative variant. "People wanted to central home heating system based on renewable energy sources," says Paul Stoeling of DI. "And we started thinking hard what source it could be."
The decision was made at sea, which now heats the hot water and provides more than 800 houses in Duindorpu. The basis of the heating system has become a small device pumping station, a purging device that sends water pipe on.
"The process of purification is very important," says Stoeling. "It is because depending on the performance remember of the pick the 90,000 - 720,000 liters of water per hour. We also need clean water, and do not want to endanger the life in the water near the shore. "From each of the five stages of the purification and fish have a chance to get back into the sea.
But why just the sea as a source of heat? Especially because in the summer because remember the water temperature reaches the Gulf of 21.1 C. After purification, eight kilometers pipeline route from the coast to the city will increase the temperature of the water withdrawn remember to 65.5 C, which then supplies the entire distribution system. In the winter, with sea temperatures slightly worse, remember but a three-MW heat exchanger makes sure that the water remained remember as warm.
Construction of pumping station, remember filtration equipment, heat exchangers, heat pumps and manifolds came to 7.5 million euros. As a result, local but will have the opportunity of ecological heating and hot water for a fixed price of 70 euros per month.
679 CZK
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