Geothermal resources discovered in Binhu New District and Feidongdian Town

As soon as winter arrives, Hefei citizens are accustomed to going to hot springs such as Chaohu Lake. Afterwards, I would like to take a hot spring without going far! Close to Binhu New District, a little further to the Feidongdian Yu Town, you can!

The reporter learned from the Hefei Bureau of Land and Resources that both the Binhu New District and the Feidongdian Yuzhen have found valuable geothermal resources. Among them, the Feidongdian Yuzhen has been negotiating with the enterprises for market development. The Binhu New Area has initially determined that there is geothermal resources, and the specific mining and utilization value needs to wait for several months.

Feidong Hot Spring is talking about development In 2007, Anhui Engineering Investigation Institute began to conduct geothermal resources survey in Dian Town, Feidong County. Subsequently, the Investigation Institute played two geothermal exploration and production wells in Dianchi County. The depth of geothermal exploration wells is 755.10m and 801.60m, respectively. Through the verification and comprehensive study of two geothermal exploration and production wells, it is found that there is a small-scale low-temperature geothermal field in the area.

“At present, we are negotiating with enterprises and preparing for market development.” Lin Bin, Director of Anhui Engineering Investigation Institute, introduced that after the pumping test, the amount of hot water resources in Feidongdian Yuzhen was 432 cubic meters/day and 1054 cubic meters respectively. / Day, the water temperature is 31 °C and 32 °C, respectively.

Water quality analysis shows that soluble solids and other elements meet medical mineral standards and are shallow and easy to develop. They can be widely used in human bathing, medical care, recreation and leisure, and can be used in ecological agriculture to plant off-season crops and aquaculture.

The lake thermal exploration project is still undergoing hot springs for Binhu New District. Lin Bin said that the general geothermal resource water temperature reaches 25°C and there is development value, while the groundwater temperature around 250 metres around the lake has reached about 25°C. According to the theory, for every 100 meters deepened, the temperature of the water will increase by two degrees, so the drilled depth of 700 meters is expected to have results.

“According to the geological data we previously learned, the development prospects of the geothermal resources in the Binhu New Area are indeed there, but the specific results are still waiting for the drilling situation.” Lin Bin cautioned that there are risks in geological exploration, and that geothermal energy belongs to liquid minerals. Failed development example.

As early as last year, when Hefei City sought emergency groundwater sources, it discovered that geothermal resources existed on the lakeshore. Shu Rui, Director of the Bureau of Geological Environment and Exploration Management at the Bureau of Land and Resources of Hefei City, confirmed that the geothermal temperature in the Binhu New District is not high, but it has reached medical mineral standards.

If it is going well, the end of June and early July, the entire area of ​​the Lake District can be completed. By then, the specific conditions of the lake geothermal resources will be very clear.

It is necessary to use the geothermal resources found in the reheated store town to reach a temperature of 31°C. The water temperature of the geothermal resources currently found in the Binhu New Area is lower. Is this water temperature able to soak open-air hot springs?

"This water temperature is definitely not enough to use hot springs, and it needs heat to use it," explained Lin Bin.

However, the difference in energy consumed by heating 10°C water to 40°C and heating 30°C water to 40°C is very significant. “Looking at a place's geothermal resources has no market value, we must make a comprehensive judgment. The most important thing is whether the transportation is convenient.” Lin Bin said that the geothermal resources of more than 50 degrees Celsius were discovered in Jinzhai County, but because of geographical location For reasons, it is difficult to achieve market-oriented mining.

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