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提出一种可利用低品位的太阳能同时产生淡水和电能的太阳能海水淡化与发电装置,并证明理论产电量大于实际耗电量。给出其工作原理及其热力学过程,并结合卡诺循环计算出该装置的稳态热效率公式,最后通过实验证明该理论在实际中的可行性。实验表明该装置产生的淡水量基本和理论值相吻合,但实验所测电能和理论值相差较大,这主要由海水在碟形喷嘴内膨胀不充分、喷嘴在旋转过程中的阻力及摩擦磨损等因素所致。
A solar seawater desalination and power generation device that can utilize both low-grade solar energy and freshwater and electric energy at the same time is proposed, and the theoretical power generation is proved to be greater than the actual power consumption. The working principle and thermodynamic process of the device are given, and the steady-state thermal efficiency formula of the device is calculated by Carnot cycle. Finally, the feasibility of the theory in practice is proved by experiments. Experiments show that the device produces fresh water basically consistent with the theoretical value, but the experiment measured the electrical energy and the theoretical difference between the larger, mainly by the sea water in the disc nozzle expansion is not sufficient, the nozzle during rotation resistance and friction and wear And other factors.