Geothermal recovery method and geothermal recovery device capable of absorbing earthquake wave energy
A seismic wave and geothermal technology, which is applied in the field of geothermal extraction, can reduce the degree of damage, have a good heat preservation effect, and avoid corrosion and scaling problems
Active Publication Date: 2015-05-27
王伟男
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Problems solved by technology
However, the current measures to deal with earthquake disasters are limited to measures such as earthquake forecasting, popularization of escape knowledge, and reinforcement of buildings.
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[0021] The present invention will be further described below in conjunction with accompanying drawing:
[0022] The core content of the present invention is that a certain number of geothermal wells are layered in and around towns and villages where people gather, and around buildings and historic sites that need to be protected. These geothermal wells use surface water injection to circulate and heat underground. The method of collecting geothermal heat can avoid ground subsidence caused by direct exploitation of groundwater, avoid corrosion and scaling of transmission pipelines caused by groundwater, and provide a clean and stable heat source for power generation, heating, bathing or breeding. Geothermal wells are cemented with materials whose Q value is much smaller than that of the formation. These wellbores filled with low-Q materials can absorb the energy of seismic waves and reduce the damage caused by earthquakes when earthquake disasters occur. Therefore, the present ...
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The invention relates to a geothermal recovery method and a geothermal recovery device capable of absorbing earthquake wave energy and aims at providing a method which can solve the technical problem of the existing geothermal utilization and can also lighten the destroy degree possibly caused by gusty earthquakes. The method is characterized by consisting of the following steps that 1, the town center is used as the circle center point, a plurality of geothermal deep wells are arranged in a layered and staggered way, and a well network is formed; 2, materials with the Q value (the quality factor) far smaller than that of the stratum are adopted in the geothermal deep wells for completing the well fixation; 3, a device capable of realizing the recovery of the filled surface water after the in-well circulation completion is fixedly arranged in each geothermal deep well; and 4, the surface water subjected to underground circulation heating through the geothermal deep wells is collected by the ground pipe network and is utilized. The geothermal energy collected by the method cannot generate the problems of geothermal field recharge and the like, the utilization rate of geothermal resources is improved, meanwhile, the geothermal wells can effectively absorb the earthquake wave energy, the destroy possibly caused by gusty earthquakes is lightened, and the life and property security of people is protected.
Description
technical field [0001] The invention relates to a geothermal recovery method and device applied in the fields of geothermal utilization and earthquake prevention. Background technique [0002] With the development of modern industry, the demand for energy is increasing, and the contradiction between energy supply and demand is becoming more and more prominent. At present, the mainstream energy used in the world is non-renewable energy. Alternative energy such as geothermal energy, solar energy, wind energy, tidal energy, etc. have been vigorously developed in recent years. Geothermal is one of the most competitive new energy sources. China is a country rich in geothermal resources, accounting for 7.9% of the world's total, and has great potential for development. But at present, there are three major technical problems hindering the development of geothermal power generation, that is, recharge, corrosion and scaling of geothermal fields. How to solve these problems and im...
Claims
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IPC IPC(8): F24J3/08
CPCY02E10/10
Inventor 王伟男王大威
Owner 王伟男