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Method for heating surface water by using natural heating furnace of the Earth

A surface water, natural technology, used in geothermal power generation, other non-combustion heat generation, heating devices, etc., can solve serious pollution, high cost, limited and other problems, achieve easy drilling, prevent water level drop, maintain balanced effect

Active Publication Date: 2015-05-27
NORTH CHINA UNIV OF WATER RESOURCES & ELECTRIC POWER
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Problems solved by technology

[0012] One is the use of coal to produce serious pollution, and the cost is high. The total annual coal consumption (including coal power generation and heating) is 1 billion tons, conservatively calculated at 500 yuan per ton, it is 500 billion yuan;
[0013] The second is that the use of geothermal heat is only to get hot water from the ground, and although the amount of underground hot water is relatively large, it is also limited

Method used

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  • Method for heating surface water by using natural heating furnace of the Earth

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specific Embodiment

[0082] It has been implemented in the Yanqi Basin in Xinjiang. The Yanqi Basin is an intermountain basin located between the Tarim, Junggar and Tuha basins in Xinjiang. The basin has a relatively high geothermal gradient of 3.5°C / 100m, which is significantly higher than the adjacent Tarim Basin at 1.8-2.5°C / 100m and the Turpan-Hami Basin at 2.36°C / 100m, and is relatively close to the current geothermal gradient of the eastern sedimentary basin .

[0083] Therefore, it is selected to carry out in this basin, and according to the method of the present invention, two wells (water inlet well and water outlet well) are drilled. More than 200 cubic meters of water can enter and exit every day, and the water temperature can reach 125°C. Hot water is used for bathing and heating in winter, and generates economic benefits of hundreds of thousands to hundreds of thousands of yuan every year.

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Abstract

The invention relates to a method for heating surface water by using a natural heating furnace of the Earth. The method comprises the following steps of (1) determining a sedimentary rock region; (2) determining a region with relatively high geothermal gradient in the sedimentary rock region; (3) determining well positions of two wells in the region with relatively high geothermal gradient so as to perform well drilling, wherein one well is a water-inlet well, the other well is a water-outlet well, and the two wells are in abutting joint; (4) on the ground, filing surface fresh water from a straight well section of the water-inlet well, wherein the surface fresh water flows through a horizontal well section to form heated hot water, and the heater hot water flows into the water-outlet well and then is delivered to the water-outlet well. According to the method, energy sources, such as coal and natural gas are not used, so that the method is very environment-friendly and sustainable, and substantial coal sources are saved.

Description

technical field [0001] The invention relates to a method for heating surface water by using the earth's natural heat furnace. Background technique [0002] "Geothermal" refers to the abbreviation of thermal energy resources buried in the ground that can be economically utilized by human beings. The earth's thermal field is also called the earth's temperature field or geothermal field. It is the earth's physical field together with the earth's electric field, gravity field, and magnetic field. The geothermal field represents the distribution of temperature in the layers of the Earth's interior. The temperature distribution and thermal field characteristics of each circle of the earth are different. Generally speaking, the thermal field refers to the part that can be directly measured in the upper layer of the earth. [0003] As a new energy source, geothermal resources have already attracted the attention of countries all over the world. Geothermal resources are a kind of...

Claims

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Application Information

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IPC IPC(8): F24J3/08
CPCY02E10/10
Inventor 黄志全姚亚明于怀昌黄志启邢矿
Owner NORTH CHINA UNIV OF WATER RESOURCES & ELECTRIC POWER
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