天然气制氢的园区综合能源系统氢储能优化配置
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作者单位:

1.新疆大学;2.新疆工程学院

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中图分类号:

TM 715;TK 019;TK 91

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国家自然科学基金(51666017)


Optimized configuration of hydrogen storage in the park's integrated energy system for hydrogen production from natural gas
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Affiliation:

1.Xinjiang University;2.Xinjiang Institute of Engineering

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    摘要:

    在我国致力于实现碳达峰、碳中和的要求下,氢能因具有零碳排高热值的特点,氢能产业发展成为我国未来发展的重要目标。针对电解水制氢储能的工业园区综合能源系统能量转换效率不高、制氢量少、经济效益低的特点以及国家对氢能发展大规模低成本制氢的需要,提出了一种以天然气制氢模式代替电解槽制氢的氢储能园区综合能源系统架构。在分析天然气水蒸气重整制氢单元的能耗与能量回收利用以及氢储能单元电、热、气多种能量特性的基础上,建立了天然气制氢储能的氢储能模型;进一步考虑设备投资成本、运行成本、碳排放价格以及制氢效益,以年化投资成本最小与年运行收益最大为目标建立目标函数,利用快速非支配排序遗传算法(NSGA-Ⅱ)进行求解,提出了以天然气制氢储能的园区综合能源系统氢储能优化配置模型。最后以新疆某园区为实际算例分析了园区配置氢储能后电源、电负荷、热负荷特性,运行经济效益以及天然气价格与碳排放价格对配置的影响,验证了通过配置天然气制氢的氢储能提升园区综合能源系统制氢量与运行收益的可行性,并指出了适用场景。

    Abstract:

    Under the requirements of achieving carbon peak and carbon neutralization in China, the development of hydrogen energy industry has become an important goal of China's future development because hydrogen energy has the characteristics of zero carbon emission and high calorific value. In order to solve the characteristics of low energy conversion efficiency, small amount of hydrogen production and low economic benefit of the comprehensive energy system of the industrial park for hydrogen production and energy storage by electrolytic water, as well as the national need for the development of large-scale and low-cost hydrogen production by hydrogen energy, a PIES (Park-level Intergrated Energy System) of the hydrogen storage park with natural gas hydrogen production mode instead of electrolytic cell hydrogen production is proposed. Based on the analysis of energy consumption and energy recovery of hydrogen production unit by steam reforming of natural gas and various energy characteristics of electricity, heat and gas of hydrogen energy storage unit, a hydrogen energy storage model for hydrogen production and energy storage of natural gas is established; Further considering the equipment investment cost, operation cost, carbon emission price and hydrogen production benefit, the objective function is established with the minimum annual investment cost and the maximum annual operation benefit as the objective, which is solved by fast non dominated sorting genetic algorithm (NSGA -Ⅱ), and the hydrogen storage optimal allocation model of PIES based on hydrogen production and storage of natural gas is proposed. Finally, taking a park in Xinjiang as an example, this paper analyzes the characteristics of power supply, electric load and heat load, operation economic benefits and the impact of natural gas price and carbon emission price on the configuration after hydrogen storage in the park, verifies the feasibility of improving the hydrogen production capacity and operation income of the PIES by configuring hydrogen storage for hydrogen production from natural gas, and points out the applicable scenarios.

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吴佩隆,樊小朝,史瑞静,等. 天然气制氢的园区综合能源系统氢储能优化配置[J]. 科学技术与工程, , ():

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  • 收稿日期:2021-12-26
  • 最后修改日期:2022-04-18
  • 录用日期:2022-04-30
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