Fire Science and Technology ›› 2021, Vol. 40 ›› Issue (4): 477-480.
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ZHAO Bin-bin, GAO Xu, JIN Dong-jie, SHEN Bin, ZHANG Ran
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Abstract: The equipment sealing hatch is an important access for large equipment in the high temperature gas- cooled reactor plant, and is also an important building component to stop the spread of fire. The influence factors of the equipment sealing hatch's fire endurance were analyzed combined with the structure of the equipment sealing hatch. The minimum thickness of filling material for equipment sealing hatch was studied. Fire test was performed to investigate the duration of fire resistance. The results indicated that two hatches integrated structure design was verified to be reasonable via the fire resistance test. The fire resistance rating of the equipment sealing hatch was greater than or equal to 1.5 h.
Key words: equipment sealing hatch, fire endurance, fire resistance test
ZHAO Bin-bin, GAO Xu, JIN Dong-jie, SHEN Bin, ZHANG Ran. Fire endurance test verification of equipment sealing hatch for high temperature gas-cooled reactor[J]. Fire Science and Technology, 2021, 40(4): 477-480.
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https://www.xfkj.com.cn/EN/Y2021/V40/I4/477