49-2池式供热堆间歇供暖运行模式仿真
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TL382

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中国原子能科学研究院项目


Simulation Study of Intermittent Heating Operation Mode of 49-2 Pool Type Heating Reactor
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    摘要:

    目前,我国北方冬季采暖主要依靠燃煤锅炉,这是我国北方冬季空气污染源之一。核能作为一种清洁能源,可以代替传统燃煤锅炉,减少空气污染物的排放。同时,在供暖过程中,更加节能的运行模式一直是供热领域研究的课题之一,在供暖季初期及末期,间歇供暖是一种常见的燃煤锅炉供暖模式。为了研究核能供热时,间歇供暖运行模式的可行性,基于MATLAB/Simulink软件平台,利用DeST软件,对49-2池式供热堆供热系统进行了详细的建模,包括堆芯模型、回路模型、热扰模型等重要模型,并利用实验数据对模型进行了验证。之后进行了间歇供暖的仿真,通过仿真,提出了一种适用于49-2池式供热堆的间歇供暖运行模式,此模式不同于传统间歇供暖,其利用建筑物白天热负荷小的特点,在保证室内逐时温度满足设计要求的同时,减小了室内昼夜温差,提高了热舒适度,节约了运行成本。

    Abstract:

    At present, the winter heating system in northern China mainly relies on coal-fired boilers,which is one of the air pollution sources there. As clean energy, nuclear energy can reduce air pollutant emissions and thus can be considered to replace the traditional coal-fired boiler heating system. A more energy-efficient winter heating operation mode, such as intermittent heating which is a common mode at the beginning and end of the heating season, has always been one of the research topics in the heating research area. This study aims to explore the feasibility of intermittent heating operation mode for nuclear heating. Based on the MATLAB/Simulink software platform and using DeST software, the thorough heating system models of the 49-2 pool type heating reactor was established and verified by experimental data, including core models, circuit models, thermal disturbance models and other important models. Then, through simulation, the changes of reactor reactivity and circuit temperatures in intermittent heating model were studied in detail. An intermittent heating operation mode that is suitable for the 49-2 pool type heating reactor is proposed. It takes advantage of the low heat load of the buildings during the day to ensure that the hourly temperature indoor meets its design requirements, and in the meantime can reducing the temperature difference between day and night, improving thermal comfort as well as saving operating costs. Intermittent heating mode is feasible for the 49-2 pool type heating reactor.

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朱珈辰,张亚东,杨笑. 49-2池式供热堆间歇供暖运行模式仿真[J]. 科学技术与工程, 2021, 21(21): 8889-8894.
Zhu Jiachen, Zhang Yadong, Yang Xiao. Simulation Study of Intermittent Heating Operation Mode of 49-2 Pool Type Heating Reactor[J]. Science Technology and Engineering,2021,21(21):8889-8894.

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  • 收稿日期:2020-12-14
  • 最后修改日期:2021-05-17
  • 录用日期:2021-03-26
  • 在线发布日期: 2021-08-11
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