通过对国内垃圾焚烧发电厂卸料、储料系统设计方案分析,结合工程设计实践,对垃圾卸料平台、垃圾卸料门、垃圾池容积设计、垃圾抓斗起重机配置的设计方案进行探讨,为垃圾焚烧发电厂卸料、储料系统的设计提供技术参考.

在双碳政策背景下,陕西电网新能源规模持续增加与电网调峰能力不足的问题越发突出,新型储能因其建设周期短、选址灵活等优势,已成为解决这一问题的重要手段.分析了新型储能发展现状、技术路线以及政策机制,采用高比例新能源系统的电源规划方法,测算了 2025 年陕西电网新能源发展规模以及满足电力保障和新能源消纳的新型储能合理发展规模,提出了近期和远期陕西电网新型储能发展的政策机制建议.

为解决褐煤锅炉的高排烟温度问题,通过机炉一体化系统设计,调整锅炉受热面设计方案,在省煤器上游设置预省煤器,并增设工质为某级高加上游低温高压给水的分流省煤器,根据相应的热平衡变化调整空气预热器设计即可获得较低的排烟温度.最后,以某印尼褐煤机组数据为边界条件进行了计算.结果表明:排烟温度从171℃降低至107.8 ℃时,锅炉效率升高3.96个百分点,但热耗率上升99.12 kJ/(kW·h),综合节煤是目前所有褐煤机组的共性问题,本文的解决方案对于类似项目都有很好的指导和借鉴意义.

The operation mode and heat storage time of concentrating solar power (CSP) have a profound impact on the benefits of CSP in power system. It has an important impact on the development of CSP by the reasonable evaluation on the benefits. An equivalent annual cost method for comprehensively evaluating the capacity benefit and electricity benefits of CSP is proposed in this paper. The start-up and shutdown of the unit and the cross-day adjustment of the energy storage power supply are considered by this method. The production simulation for the system with CSP is carried out in 8 760 h. By comparing the changes of thermal power installation demand and system coal consumption before and after the CSP is put into operation, the capacity benefits and electricity energy benefits of the CSP are evaluated, and then the national economy of the CSP is evaluated. Finally, the effectiveness of the proposed method is verified by the simulation of the actual power grid in northwest China. The results show that the national economic benefits of CSP are related to the investment of CSP, the way of peaking, the hour of heat storage and the scale of new energy power generation. The national economy of CSP participating in peak-shaving operation is better than it doesn't.