THERMAL ENERGY RECOVERY DEVICE

• Main Authors: TAKAHASHI KAZUO, MATSUDA HARUYUKI, FUJISAWA AKIRA, KAWAGUCHI TAIHEI
• Format: Patent
• Language: English; Japanese
• Published: 24.10.2019
• Subjects: BLASTING; ENGINE PLANTS IN GENERAL; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES; HEATING; LIGHTING; MACHINES OR ENGINES IN GENERAL; MECHANICAL ENGINEERING; STEAM ACCUMULATORS; STEAM ENGINE PLANTS; STEAM ENGINES; WEAPONS

To provide a thermal energy recovery device capable of stabilizing the liquid level height within an evaporator and the liquid level height within a condenser.SOLUTION: A thermal energy recovery device (1) includes: an evaporator (10); an expander (12); a power recovery machine (14); a condenser (16); a circulation pump (18); a circulation flow passage (20); a branch flow passage (30) connected to the circulation flow passage (20) so as to become parallel with a portion of the circulation flow passage (20) where a liquid-phase working medium flows; a storage section (32) provided in the branch flow passage (30) to store the liquid-phase working medium; a first on-off valve (V1) provided in a portion upstream of the storage section (32) in the branch flow passage (30); and a second on-off valve (V2) provided in a portion downstream of the storage section (32) in the branch flow passage (30).SELECTED DRAWING: Figure 1 【課題】蒸発器内の液面高さ及び凝縮器内の液面高さを安定させることが可能な熱エネルギー回収装置を提供すること。【解決手段】熱エネルギー回収装置（１）であって、蒸発器（１０）と、膨張機（１２）と、動力回収機（１４）と、凝縮器（１６）と、循環ポンプ（１８）と、循環流路（２０）と、循環流路（２０）のうち液相の作動媒体が流れる部位と並列になるように循環流路（２０）に接続された分岐流路（３０）と、分岐流路（３０）に設けられており液相の作動媒体を貯留する貯留部（３２）と、分岐流路（３０）のうち貯留部（３２）よりも上流側の部位に設けられた第１開閉弁（Ｖ１）と、分岐流路（３０）のうち貯留部（３２）よりも下流側の部位に設けられた第２開閉弁（Ｖ２）と、を有すること。【選択図】図１