高温气冷堆技术在石化化工行业耦合应用的前景

Prospects for the Coupled Application of High Temperature Gas Cooled Reactor Technology in Petrochemical and Chemical Industries

高温气冷堆技术与石化化工行业耦合应用可助力我国构建清洁低碳安全高效的能源体系,促进石化和化工行业绿色低碳转型发展,但相关发展还处于初期水平。文章分析了高温气冷堆技术在石化化工领域耦合应用的必要性、可行性及实现路径,结果表明,耦合供蒸汽和热具有较好的经济性,替代自备中小火电宜采取热电联供方式;耦合甲烷等烃类蒸汽重整制氢技术是近期可与传统制灰氢技术成本持平的过渡性制氢技术;耦合热化学循环制氢技术中碘硫循环、高温蒸汽电解制氢技术远期更具发展前景。最后分析了耦合应用的主要挑战,并有针对性地提出了相关建议。

The coupled application of high-temperature gas cooled reactor technology in the petrochemical and chemical industries can help China build a clean,low-carbon,safe and efficient energy system,and promote the green transiton of the industries.However,the related development is still at an early stage.This article analyzes the necessity,feasibility,and paths of the coupled application of high-temperature gas cooled reactor technology in the petrochemical and chemical industries.The results show that the coupled supply of steam and heat have good economic efficiency.It is best to adopt the combined heat and power supply method to replace self owned supply of power in the small and medium-sized power plants.The cost of coupling hydrogen production technologies by Methane and other hydrocarbon steam reforming is closed recently with traditional ash hydrogen production technology;Iodine sulfur cycle in the coupling thermochemical cycle hydrogen production technology and hightemperature steam electrolysis hydrogen production technology are well developed in the long term.In addition,the paper analyzes the main challenges of coupled applications and proposes relevant targeted suggestions.