Geothermal energy usage and application scope-4
Uses in the geothermal energy heating, ground source heat pump, heating and supplying the hot water is directly is only inferior to the geothermal power generation geothermy use way. Because this use way is simple, the efficiency is good, time is taken various countries, specially is located at high and cold local the western nation, Iceland develops uses well. This country as early as has completed in the world in 1928 in capital Reykjavik the first geothermy heating system, nowadays this heating system has developed perfectly, each hour may from the underground extraction 7740t80℃ hot water, for the whole city 110,000 resident uses. Because has not stood tall and erect the chimney, the Icelandic capital has been honored as “in the world to be cleanest the smokeless city”. In addition heats using the geothermy to the factory, like serves as the dry grain and food heat source, serves as production process and so on diatomaceous earth production, lumber, papermaking, leather making, spinning and weaving, wine-making, sugar manufacturing heat sources is also has the future greatly. At present in the world the most tenth geothermy applies the factory is Iceland’s diatomaceous earth factory and New Zealand’s paper oar processing factory. Our country uses the geothermy heating and is also rapid for the hot water development, has become in the geothermy use in the Beijing and Tianjin area the most universal way.
3. the geothermy works at farming
The geothermy is very broad in agriculture application scope. If using the temperature being suitable place hot water irrigated farmland, may cause the crops precocious production increase; Using the hot water pisculture, may accelerate fish’s fattening under 28℃ the water temperature, raises fish’s rate of output; Constructs the greenhouse using the geothermy, grows rice seedlings, grows vegetables and grows flowers; Using the geothermy to the methane-generating pit warming, enhances the methane the output and so on. Uses in the agriculture the geothermal energy being day by day widespread directly in our country, places such as Beijing, Tianjin, Tibet and Yunnan construct the area size different geothermy greenhouse. Each region also vigorously develops the fish breeding and poultry raising using the geothermy, like the raise mold mushroom spawn, breeds the tilapia mossambica, the eel, the tilapia mossambica, the Roche palaemon gravieri and so on.
4. the geothermy practices medicine
The geothermy has the attractive prospect in the medical domain’s application, at present is hot the mineral water regards as one precious resources, various countries very much treasures. As a result of the hot water from the very deep underground extraction to the ground, is high besides the temperature, often includes some special chemical element, thus enables it to have certain medical effect. If gathers the carbonic acid the mineral water to supply to drink, may adjust the gastric juice, the balanced human body potential of hydrogen; After the ferri mineral water drinks, may treat lacks the hard anemia; The hydrogen spring, sulfur Shui Qingquan takes a bath to be possible to treat the neurasthenia and arthritis, skin disease and so on. Because the hot spring medical service affects and follows the special geology which, the landform condition the hot spring appears, causes the hot spring to become the tourist attraction frequently, attracts the bow to fear that approves convalescing and the tourist. Has more than 1500 Hot spring sanatoriums in Japan, every year attracts 100,000,000 people to these sanatorium recreation. Our country uses the geothermy to treat disease history to be glorious, includes each kind of mineral element hot spring to be numerous, therefore displays the geothermy to practice medicine fully the function, the development hot spring convalesces the profession to have bright prospects.
In the future along with the geothermy use related high technology and new technology’s development, will enable the people to verify the more geothermal resources precisely; Drills a deeper well drilling to take out the geothermy from the stratum deep place, therefore the geothermy use will also will certainly to enter a person swift development the stage.
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