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提出一种新型水合物法海水淡化流程,并基于该流程对海水淡化系统进行了模拟计算,得到海水淡化的能耗。同时,在计算淡化方法的总资产投资、运行维修成本、摊销总资产投资和摊销运行维修成本等经济参数的基础上,获得其最终的淡化成本。结果表明,淡水产率对能耗和生产成本影响很大,随着产率比的提高,相应的总能耗和总生产成本降低,而增加淡水产率需要改进水合物生成的动力学和热力学条件以及选择适合的工质。采用本文的水合物海水淡化方案计算得到的淡化成本要比Javanmardi等人建立的水合物海水淡化流程图下计算的淡化成本低,但是相对薄膜反渗透法,总生产成本还是显得相对很高。
Proposed a new hydrate method seawater desalination process, and based on the process of desalination system was simulated to obtain desalination energy consumption. At the same time, the ultimate desalination cost is obtained on the basis of calculating the economic parameters of total assets investment, operation and maintenance costs, amortization of total assets investment and amortization operation and maintenance costs. The results show that the freshwater productivity has a great impact on energy consumption and production costs. With the increase of the yield, the corresponding total energy consumption and total production costs decrease. However, increasing freshwater productivity needs to improve the kinetics and thermodynamics of hydrate formation Conditions and select the appropriate working fluid. The desalination cost calculated by the hydrate desalination scheme of this paper is lower than the desalination cost calculated under the hydrate seawater desalination flow chart established by Javanmardi et al., But the total production cost is still relatively high compared with the membrane reverse osmosis method.