O-3-氯-2-丙烯基羟胺热危险性及其淬灭研究

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摘要为研究O-3-氯-2-丙烯基羟胺(简称氯代胺)的热危险性及其淬灭，采用差示扫描量热仪(DSC)和绝热量热仪(Phi-TEC)对其进行了测试。DSC测试结果表明，与气氛、升温速率相比，样品质量对氯代胺热危险性的影响较大，当氯代胺质量超过1 mg时，热分解过程中会出现爆炸性放热。在样品质量为0.56 mg、升温速率为4 ℃·min^-1、空气气氛的条件下，氯代胺的起始放热温度为114 ℃、峰值温度为192 ℃、比放热量为2 105 J·g^-1。Phi-TEC测试结果表明，氯代胺热分解过程中除放出大量的热外，还会产生大量的不凝气，有导致密闭容器超压爆炸的可能。初步研究表明，氯代胺一旦因受热发生分解放热，在放热初期可通过加入1.5倍氯代胺质量的水进行淬灭。为获得能够实际应用的淬灭工艺，还需进一步详细研究。

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	王建娜
	韩蒙蒙
	宁艳霞
	徐明琴
	靳晓辉

关键词： O-3-氯-2-丙烯基羟胺；热危险性；淬灭；差示扫描量热仪；绝热量热仪

Abstract： In order to study the thermal hazard and quenching of O-(3-chloro-2-propenyl)-hydroxyla-mine, differential scanning calorimeter (DSC) and adiabatic calorimeter (Phi-TEC) were used. DSC test results show that compared with testing atmosphere and heating rate, sample mass has a greater influence on the thermal risk of O-(3-chloro-2-propenyl)-hydroxylamine. When the mass of O-(3-chloro-2-propenyl)-hydroxylamine exceeds 1 mg, its DSC curve at the peak temperature is very sharp, which indicates an explosive exothermic reaction occurs. Under the DSC test conditions of 0.56 mg, 4 ℃·min^-1 and air atmosphere for O-(3-chloro-2-propenyl)-hydroxylamine, the onset temperature of decomposition reaction is 114 ℃, the peak temperature is 192 ℃, and the specific heat release is 2 105 J·g^-1. Phi-TEC test results show that in addition to releasing a large amount of heat, a large amount of non-condensable gas was produced during the thermal decomposition of O-(3-chloro-2-propenyl)-hydroxylamine, which may lead to an overpressure explosion in a hermatic container. A preliminary study shows that at the initial exothermic stage of O-(3-chloro-2-propenyl)-hydroxylamine the decomposition reaction can be quenched by adding 1.5 times the mass of O-(3-chloro-2-propenyl)-hydroxylamine of water. In order to obtain a practical quenching process, further detailed research is needed.

Keywords： O-(3-chloro-2-propenyl)-hydroxylamine； thermal hazard； quenching； differential scanning calorimeter； adiabatic calorimeter

Received 2021-03-04;

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Corresponding Authors: 韩蒙蒙,工程师,E-mail:hanmm@rainbowagro.com Email: hanmm@rainbowagro.com

About author: 王建娜(1986-)，女，工程师，现从事反应热风险评估分析方面的研究

引用本文:

王建娜, 韩蒙蒙, 宁艳霞, 徐明琴, 靳晓辉.O-3-氯-2-丙烯基羟胺热危险性及其淬灭研究[J]. 化学工业与工程, 2022,39(1): 27-32

WANG Jianna, HAN Mengmeng, NING Yanxia, XU Mingqin, JIN Xiaohui.Study on thermal hazard and quenching of O-(3-chloro-2-propenyl)-hydroxylamine[J]. Chemcial Industry and Engineering, 2022,39(1): 27-32

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