Power Generation and Heat Recovery from Industrial Waste Heat with Advanced CO2 Thermodynamic Power Cycles (PowerCO2)

在英国，每年大约有48太瓦时的工业废热来源，相当于总工业能源使用量的六分之一。在这些工业废热中，技术上每年可回收11TWh（220万吨co2 /年），通过专门设计的能量转换技术可用于热电联产（CHP）等有用目的。全球三分之一的能源消耗来自工业部门，其中高达50%的能源最终被浪费为热能。利用工业余热发电的市场是巨大的。该项目将为利用工业废热的能源转换系统创造一个创新的二氧化碳跨临界动力循环（iT-CO2）。代替不适用的CO2液体泵，将开发并安装在系统中的组合CO2跨临界压缩机和汽液喷射器，以实现目标30%的热电效率（即两倍于先进水平）。项目成果将针对热密集型行业，如钢铁、玻璃和其他热密集型行业，这些行业需要现场或电网连接的热电联产解决方案。

Each year in the UK, approximately there are 48 TWh/yr industrial waste heat sources which is equivalent to one sixth of overall industrial energy use. Of this amount of industrial waste heat, technically 11TWh/yr (2.2 MtCO2/yr) could be potentially recovered for useful purposes such as Combined Heat and Power (CHP) through specially designed energy conversion technologies. Globally one third of energy consumption is attributable to the industrial sector, with up to 50% ultimately wasted as heat. The market of power generation with industrial waste heat is thus enormous.The project will create an innovative CO2 transcritical power cycle (iT-CO2) for energy conversion systems with industrial waste heat. Instead of using an inapplicable CO2 liquid pump, a combined CO2 transcritical compressor and vapour-liquid ejector will be developed and installed in the system to create thermal-to-electrical efficiency of a target 30% (i.e. double state-of-the-art).The project outcomes will target heat-intensive industries such as steel, glass and other heat-intensive planets that require CHP solutions on sites or grid connections.