Title:
PROMOTION METHOD OF GEOTHERMAL HEAT EXTRACTION AND GEOTHERMAL HEAT EXTRACTION PROMOTION TYPE CLOSED LOOP CIRCULATION GEOTHERMAL POWER GENERATION SYSTEM
Document Type and Number:
Japanese Patent JP2016118078
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a promotion method of geothermal heat extraction capable of stably extracting much geothermal heat for a long term, and a closed loop circulation type geothermal power generation system applying the geothermal heat extraction promotion method.SOLUTION: A hot-dry rock 1 or the inside of a high temperature stratum is fractured by hydraulic pressure to form a fracture 14, and then a heat conduction promotion proppant 14 is mixed to support the fracture 14. Also, a geothermal heat transfer path is constituted by press-fit penetration of a heat conduction promotion proppant 15 in the fracture 14. After that, a heat exchange promotion porous body 10 constituted of a heat resisting material with high thermal conductivity or a geothermal heat extraction promotion heat exchanger 3 having an aggregate of multiple heat exchange plates is inserted to make it adhere with a geothermal heat transfer path. Accordingly, a geothermal heat extraction area is increased, and the heat conduction of the geothermal heat from the hot-dry rock 1 or the inside of the high temperature stratum to the geothermal heat extraction heat exchanger 3 is improved, and thereby the geothermal heat extraction and the heat exchange are promoted.SELECTED DRAWING: Figure 1
Inventors:
SHIDA TAKAYUKI
MATSUSHIMA HIROAKI
KAWABATA YASUHARU
MATSUSHIMA HIROAKI
KAWABATA YASUHARU
Application Number:
JP2014259559A
Publication Date:
June 30, 2016
Filing Date:
December 23, 2014
Export Citation:
Assignee:
SOLUTION CREATORS INC
International Classes:
E21B43/00; E21B43/267; F03G4/00; F24J3/08