基于热管和两级温差发电的船舶余热利用

发布时间：2018-03-23 04:00

本文选题：船舶节能　切入点：温差发电　出处：《科学技术与工程》2017年28期 　论文类型：期刊论文

【摘要】：为了对船舶余热进行利用以达到节能的目的,结合船舶烟气余热的特点,设计了一种加装在船舶柴油机排烟管上采用热管强化传热的两级温差发电装置。通过建立温差发电有限时间热力学模型,设计了实验系统并搭建实验平台。实验后分析实验数据并验证两级温差发电装置利用余热的可行性。结果表明,在两级温差发电实验装置热端温度为473 K时,其输出功率最大可达到250 W,热效率为5.37%,在相同工况条件下,相比于单级温差发电实验装置4.04%的热效率提高了32%,证明了利用该装置对船舶余热进行回收利用是可行的。
[Abstract]:In order to make use of ship waste heat to achieve the purpose of energy saving, combined with the characteristics of ship flue gas waste heat, A two-stage thermoelectric device with heat pipe for heat transfer enhancement on exhaust pipe of marine diesel engine is designed. The finite time thermodynamic model of thermoelectric power generation is established. The experimental system is designed and the experimental platform is built. After the experiment, the experimental data are analyzed and the feasibility of utilizing the waste heat in the two-stage thermoelectric power generation device is verified. The results show that when the hot end temperature of the two-stage thermoelectric power generation experimental device is 473K, The maximum output power can reach 250 W and the thermal efficiency is 5.37. Under the same working conditions, the thermal efficiency of the experimental device is increased by 32% compared with that of the single stage thermoelectric experimental device, which proves that it is feasible to use the device to recover and utilize the ship's residual heat.
【作者单位】：大连海事大学轮机工程学院;
【基金】：中央高校基本科研业务费专项资金(3132016337,3132016013) 辽宁省自然科学基金(201601063)资助
【分类号】：TM913;U664.121

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