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Investigation on inhibition characteristics of bicarbonate on hybrid explosion of ethylene/polyethylene mixture
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Wentao JI1, 2, 3, Zihui XU1, 2, 3, Wenzhe MAO1, 2, 3, Shuaishuai YANG1, 2, 3, Guotao ZHANG1, 2, 3, Yan WANG1, 2, 3, **
China Safety Science Journal | 2024, 34(8) : 138 - 146
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China Safety Science Journal | 2024, 34(8): 138-146
• Safety engineering technology •
Investigation on inhibition characteristics of bicarbonate on hybrid explosion of ethylene/polyethylene mixture
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Wentao JI1, 2, 3, Zihui XU1, 2, 3, Wenzhe MAO1, 2, 3, Shuaishuai YANG1, 2, 3, Guotao ZHANG1, 2, 3, Yan WANG1, 2, 3, **
Affiliations
  • 1 College of Safety Science and Engineering，Henan Polytechnic University，Jiaozuo Henan 454003，China
  • 2 Explosion Dynamic Disaster Early Warning and Emergency Engineering Technology Research Center of Henan Province，Jiaozuo Henan 454003，China
  • 3 Collaborative Innovation Center of Coal Work Safety and Clean High Efficiency Utilization，Jiaozuo Henan 454003，China
Published: 2024-08-28 doi: 10.16265/j.cnki.issn1003-3033.2024.08.1669
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In order to prevent and control the explosion hazards of ethylene/polyethylene hybrid mixture，bicarbonate was selected as the explosion suppression powder，and the explosion suppression experiment was carried out in a 20 L spherical explosion device to explore the explosion inhibition effect and mechanism of different bicarbonate on ethylene/polyethylene hybrid mixture. The differences of explosion inhibition performance of different bicarbonate on the hybrid mixture were discussed. The results show that the hybrid mixture is more difficult to inhibit than the single-phase polyethylene. With the increase of ethylene concentration，the explosion inhibition of the hybrid mixture becomes more difficult. The bicarbonate has an inhibitory effect on the ethylene/polyethylene hybrid mixture with different concentrations，and the inhibition efficiency is affected by the concentration of ethylene and bicarbonate. Bicarbonate can inhibit the ethylene/polyethylene hybrid explosion through physicochemical reaction during the polyethylene explosion. The decomposition and endothermic properties of potassium bicarbonate and its retardation effect on polyethylene pyrolysis are better than those of sodium bicarbonate，so the inhibition effect of potassium bicarbonate on the explosion of ethylene/polyethylene hybrid mixture is better than that of sodium bicarbonate.

bicarbonate  /  ethylene  /  polyethylene  /  hybrid system  /  explosion suppression characteristic
Wentao JI, Zihui XU, Wenzhe MAO, Shuaishuai YANG, Guotao ZHANG, Yan WANG. Investigation on inhibition characteristics of bicarbonate on hybrid explosion of ethylene/polyethylene mixture[J]. China Safety Science Journal, 2024 , 34 (8) : 138 -146 . DOI: 10.16265/j.cnki.issn1003-3033.2024.08.1669
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Year 2024 volume 34 Issue 8
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Article Info
doi: 10.16265/j.cnki.issn1003-3033.2024.08.1669
  • Receive Date：2024-02-20
  • Online Date：2025-07-09
  • Published：2024-08-28
Article Data
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History
  • Received：2024-02-20
  • Revised：2024-05-12
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Affiliations
    1 College of Safety Science and Engineering，Henan Polytechnic University，Jiaozuo Henan 454003，China
    2 Explosion Dynamic Disaster Early Warning and Emergency Engineering Technology Research Center of Henan Province，Jiaozuo Henan 454003，China
    3 Collaborative Innovation Center of Coal Work Safety and Clean High Efficiency Utilization，Jiaozuo Henan 454003，China
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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