温差发电和动力装置联合回收液化天然气冷能

POWER GENERATION CYCLE COMBINED WITH TEG RECOVERING LNG COLD ENERGY

对液化天然气(LNG)冷能的回收,提出了温差发电器与动力装置联合的回收系统,对系统的各个状态 参数和转化能量及其效率进行了分析计算。计算显示甲烷在天然气中的摩尔含量会显著地影响功量的输出,但 对系统的效率影响不大。系统对LNG最大可用能的回收效率可达29％。

A system utilizing LNG cold energy to generate power output was proposed. This system is combined with a LNG power generation cycle and a thermoelectric generator (TEG), which is also a heat exchanger at the same time. The performance of the system has been analyzed and calculated for different methane concentrations in LNG. The calculation results showed that the energy efficiency of this power generation system is up to 29%.