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典型含硫危险化学品的燃烧爆炸抑制与环境保护

Combustion-explosion suppression and environmental protection of typical sulfur-containing hazardous chemicals.

作者信息

Zhang Xinrui, Han Zhiyue, Wang Cheng, Yu Yue, Wu Binbin

机构信息

State Key Laboratory of Explosion Science and Safety Protection, Beijing Institute of Technology Beijing 100081 China

College of Life Science and Technology, Beijing University of Chemical Technology Beijing 100029 China.

出版信息

RSC Adv. 2024 Sep 13;14(40):29072-29082. doi: 10.1039/d4ra05979d. eCollection 2024 Sep 12.

DOI:10.1039/d4ra05979d
PMID:39282061
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11393742/
Abstract

Sulfur, as a crucial chemical raw, poses increased combustion-explosion risks when mixed with other hazardous substances due to its dual nature as both an oxidant and a reducing agent. Additionally, sulfur-induced combustion and explosions can result in environmental pollution. Combustion-explosion suppression technology plays a crucial role in industrial production by effectively preventing hazardous chemical explosion incidents. This research investigates the combustion-explosion suppression of black powder, a common hazardous chemical containing sulfur, by utilizing two solid-based blast suppressants, NHHPO and NaHCO. On this basis, examining changes in the oxidation states of sulfur and explaining the mechanisms of combustion-explosion suppression through the examination of combustion-explosion products. Additionally, numerical calculations are employed to analyze the evolution patterns of gaseous and solid-phase products throughout the entire combustion-explosion process. Research indicates that NaHCO exhibits a more effective combustion-explosion suppression effect on black powder compared to NHHPO, which attributed to the valence state transformation of sulfur and the reduction of carbon oxidation. Furthermore, with the enhancement of combustion-explosion suppression effect, KS, which a pollutes the environment, is gradually transform converted into potassium fertilizer KSO, which benefits plants. These results offer new insights into the research of combustion-explosion suppression of sulfur-containing substances and environmental protection strategies.

摘要

硫作为一种关键的化工原料，由于其兼具氧化剂和还原剂的双重性质，与其他有害物质混合时会增加燃烧爆炸风险。此外，硫引发的燃烧和爆炸会导致环境污染。燃烧爆炸抑制技术通过有效预防危险化学品爆炸事故，在工业生产中发挥着关键作用。本研究利用两种固体抑爆剂NHHPO和NaHCO，对含硫常见危险化学品黑火药的燃烧爆炸抑制进行了研究。在此基础上，通过研究燃烧爆炸产物，考察硫的氧化态变化并解释燃烧爆炸抑制机理。此外，采用数值计算分析整个燃烧爆炸过程中气相和固相产物的演化规律。研究表明，与NHHPO相比，NaHCO对黑火药的燃烧爆炸抑制效果更有效，这归因于硫的价态转变和碳氧化程度的降低。此外，随着燃烧爆炸抑制效果的增强，污染环境的KS逐渐转化为对植物有益的钾肥KSO。这些结果为含硫物质燃烧爆炸抑制研究及环境保护策略提供了新的见解。

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