In this article, a dual-loop bi-evaporator CCP (combined cooling and power) system is presented to simultaneously supply electricity, air-conditioning, and freezing demands. The system consists of two organic Rankine cycles (ORCs) for power generation and two ejector cooling cycles (ECCs) for cooling production which is adjusted at two different cooling temperature levels, using waste heat from the exhaust gases of a biogas plant as prime mover. The system is investigated from energy, exergy, exergoeconomic, exergoenvironmental, and safety standpoints. Later, the performance of the devised unit is optimized by simultaneously accounting the central metrics obtained from 4E + safety analysis. Four benchmarks with the same applications (i.e., cogeneration of power and cooling at two different temperature levels) are selected and the superiorities of the present CCP system over these previously available systems are investigated. At optimal point, the net power, air-conditioning, and freezing products are computed 96.59 kW, 302.4 kW, and 23.01 kW, respectively. Furthermore, the optimal energy efficiency, exergy efficiency, unit cost of product, environmental impact of product, and total risk are calculated 56.09 %, 25.45 %, 37.54 $/GJ, 4026 mPts/GJ, and 1716 $/Year, respectively. Moreover, the generator is recognized as the main source of irreversibility, while the pump used in the high-temperature circuit has the highest amount of risk level between all components. By rising the heat source temperature, the energy efficiency, unit cost of product, environmental impact of product, and total risk level are increased, while the exergy efficiency is reduced.

在本文中，提出了一种双回路双蒸发器 CCP（冷电组合）系统，可同时提供电力、空调和冷冻需求。该系统由两个用于发电的有机朗肯循环 (ORC) 和用于冷却生产的两个喷射器冷却循环 (ECC) 组成，该循环在两个不同的冷却温度水平下进行调整，使用沼气厂废气的废热作为原动机。从能源、火用、火用经济、火用环境和安全角度研究该系统。之后，通过同时考虑从 4E + 安全分析获得的中心指标来优化设计单元的性能。具有相同应用程序的四个基准测试（即 选择了两个不同温度水平的热电联产和冷却），并研究了当前 CCP 系统相对于这些以前可用系统的优势。在最佳点，净功率、空调和冷冻产品分别计算为 96.59 kW、302.4 kW 和 23.01 kW。此外，最佳能源效率、火用效率、产品单位成本、产品的环境影响和总风险分别计算为 56.09 %、25.45 %、37.54 $/GJ、4026 mPts/GJ 和 1716 $/年。此外，发电机被认为是不可逆性的主要来源，而高温回路中使用的泵在所有组件中的风险水平最高。通过提高热源温度、能源效率、产品单位成本、产品对环境的影响，