GEOTHERMAL RECOVERY DEVICE AND METHOD FOR OPERATING THE SAME

• Main Authors: TAKAHASHI KAZUO, ADACHI SHIGETO
• Format: Patent
• Language: English; Japanese
• Published: 24.08.2017
• Subjects: BLASTING; EARTH DRILLING; EARTH DRILLING, e.g. DEEP DRILLING; FIXED CONSTRUCTIONS; HEATING; LIGHTING; MACHINES OR ENGINES FOR LIQUIDS; MECHANICAL ENGINEERING; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOTOTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISEPROVIDED FOR; MINING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS; OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR; PRODUCING MECHANICAL POWER; SPRING, WEIGHT, INERTIA OR LIKE MOTORS; WEAPONS; WIND, SPRING WEIGHT AND MISCELLANEOUS MOTORS

PROBLEM TO BE SOLVED: To increase a power generation amount in a power generation system using geothermal energy.SOLUTION: A geothermal recovery device 10 includes: a circulation flow passage 12 in which a circulation pump 22 is provided and through which a heat medium pressurized by the circulation pump 22 is circulated in a state of hot water; a heat exchanger 14 installed in the ground and heating the heat medium flowing through the circulation flow passage 12 with the underground heat; a binary power generation device 16 for recovering thermal energy from the heat medium heated by the heat exchanger 14 as electric energy; a bypass passage 36 connected with the circulation flow passage; and an adjustment mechanism 38 for adjusting a division flow ratio of a flow rate of the heat medium flowing into the heat exchanger 14 and a flow rate of the heat medium bypassing the heat exchanger 14 via the bypass passage 36.SELECTED DRAWING: Figure 1 【課題】地熱の熱エネルギーを利用した発電システムにおいて、発電量を増大させる。【解決手段】地熱回収装置１０は、循環ポンプ２２が設けられ、循環ポンプ２２によって加圧された熱媒体が熱水の状態で循環する循環流路１２と、地中に設置され、地中の熱で循環流路１２を流れる熱媒体を加熱する熱交換器１４と、熱交換器１４で加熱された熱媒体から熱エネルギーを電気エネルギーとして回収するバイナリ発電装置１６と、循環流路に接続されたバイパス路３６と、熱交換器１４に流入する熱媒体の流量と、バイパス路３６を通って熱交換器１４を迂回する熱媒体の流量との分流割合を調整する調整機構３８と、を備えている。【選択図】図１