LNG fuel tail gas waste heat recovery system

• Main Authors: ZHOU AIMIN, SHI HONGQI, LI JUN, ZHAO JUNTAO, DUAN CHEN, ZHU QIUYUAN, WANG SHIZHONG, TIAN QIQI
• Format: Patent
• Language: Chinese; English
• Published: 04.01.2017
• Subjects: BLASTING; ENGINE PLANTS IN GENERAL; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED,LIQUEFIED, OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; HEATING; LIGHTING; MACHINES OR ENGINES IN GENERAL; MECHANICAL ENGINEERING; STEAM ACCUMULATORS; STEAM ENGINE PLANTS; STEAM ENGINES; STORING OF DISTRIBUTING GASES OR LIQUIDS; VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED ORSOLIDIFIED GASES; WEAPONS

The utility model provides a LNG fuel tail gas waste heat recovery system, including LNG air feed end, cryogenic pump, condenser, engine, evaporimeter, regenerator and booster pump, condenser, evaporimeter, regenerator all divide the heat exchange system that maybe be formed by first pipeline and second pipeline, and LNG air feed end forms the gas system through the first pipeline of pipeline second pipeline, engine and the evaporimeter of series connection cryogenic pump, condenser in proper order, second pipeline, expander, the second pipeline of regenerator, the first pipeline and the booster pump of condenser that the pipeline looped through first pipeline, the evaporimeter of booster pump, regenerator form circulation system. The utility model discloses the cold volume of make full use of LNG vaporization release and the tail gas used heat that discharged engine burning back improve whole driving system's energy efficiency. 本实用新型提出了种LNG燃料尾气废热回收系统，包括LNG供气端、低温泵、冷凝器、发动机、蒸发器、回热器和增压泵，所述冷凝器、蒸发器、回热器都分别是由第管路和第二管