共查询到20条相似文献,搜索用时 31 毫秒
1.
2.
针对甲醛生产过程中的火灾爆炸危险性,运用道化学火灾、爆炸指数评价法对甲醛氧化反应装置的火灾、爆炸危险性进行定量评价。 相似文献
3.
本文在对某光气厂光气生产装置危险有害因素分析的基础上,应用道化学火灾爆炸危险指数法对其火灾爆炸危险性进行了定量计算和安全评价。评价结果表明,通过切实可行的安全措施进行补偿,生产装置的固有危险程度由“重”变为“较轻”,从而为预防和控制光气生产装置的火灾爆炸事故提供了科学依据。 相似文献
4.
王安 《化工催化剂及甲醇技术》2007,(6):24-25
我公司现有生产能力为25kt/a和17kt/a的两套甲醛生产装置,用甲醇氧化生产甲醛的装置存在较大火灾、爆炸的危险性。为了判定其危险性和危险程度对其安全现状,运用美国道化学公司火灾、爆炸危险指数法(第七版)进行安全评价如下。 相似文献
5.
延迟焦化是一种石油二次加工技术,是指以渣油等重质油品为原料,在高温(约500℃)进行深度的热裂化和缩合反应,生成气体、汽油、柴油、蜡油和焦炭的技术。所谓延迟是指将渣油经过加热炉加热迅速升温至焦化反应温度,在反应炉管内不生焦,而延迟到进入焦炭塔再进行焦化反应。 相似文献
6.
7.
8.
9.
聚氨酯(PU)作为新一代人工合成高分子应用新型材料的一部分已融入人们日常生活的方方面面。近40年来,国内聚氨酯市场的聚氨酯制品和原料一直都供不应求。目前国内聚氨酯生产厂家正大量兴起,聚氨酯工业已成为国家重点发展的产业之一。由于国内还不够成熟的生产技术和易燃易爆有毒物料种类多、性质复杂等原因, 相似文献
10.
11.
12.
造粒硝铵装置改产硝酸铵钙 总被引:8,自引:0,他引:8
介绍硝酸铵钙的物化性能,采用硝酸铵与石灰石混和法生产硝酸铵钙的工艺流程,以及技术经济指标,硝酸铵钙用作肥料能增加养分种类,改善土壤品质,并具有适应性广等特点。是硝铵生产厂家一条很好的改产途径。 相似文献
13.
硝酸铵钙市场前景探讨 总被引:5,自引:0,他引:5
0 前 言硝酸铵钙是一种含有氮素和钙素的化学肥料 ,其养分组成为氮含量 2 1 %~ 2 8% ,其中铵态氮和硝态氮各占一半 ,氧化钙含量为 4%~ 8%。硝酸铵钙目前在国外 ,尤其是西欧国家已广泛使用。在国内由于人们对该产品的性能和肥效认识不足 ,加之缺少工艺技术和国家产品质量标准 ,至今 ,国内还没有规模化的生产厂家。最近一段时期 ,云南解化集团有限公司 (以下称解化集团 )利用自行开发的硝酸铵钙产品与地方农科部门配合 ,开展硝酸铵钙与硝酸铵施用效果对比试验。参与试验的农户普遍对硝酸铵钙的施用效果反映良好 ,说明硝酸铵钙不但可作为硝… 相似文献
14.
简述了近年来我国硝酸和硝酸铵行业发展迅速,行业整体水平明显提高,盈利能力不断增强,激发了相应的投资热潮,使硝酸铵产能过剩的苗头有所显现。尽管我国硝酸铵市场竞争将会越来越激烈,但随着需求量的不断增加,硝酸铵行业有望继续保持较高景气度,行业持续健康稳定发展。介绍了目前国内硝酸铵的生产现状、需求分析、前景展望,并对硝酸铵产业今后的发展提出了一些建议。 相似文献
15.
16.
17.
A. P. Glazkova 《Combustion, Explosion, and Shock Waves》1968,4(3):176-181
Conclusions We have considered possible mechanisms of retardation of the chemical reactions when ammonium nitrate and perchlorate burn and have shown that one such mechanism is retardation by the water formed during combustion.We have studied the effect of the additives silica, liquid silicone, calcium stearate, etc. on the burning of ammonium perchlorate and ammonium nitrate catalyzed with chromium oxide in order to establish the causes of the anomalies observed during their combustion.We have shown that over a certain pressure range adding silica eliminates the observed anomalies (fall in burning rate with increase in pressure and pulsating combustion), whereas the addition of calcium stearate intensifies them.Depending on the pressure interval and the conditions under which combustion proceeds, the same additive may play the role of an inert admixture, a catalyst, or an inhibitor, which is apparently associated with changes in the leading reactions in differentpressure intervals.The author warmly thanks V. K. Bobolev for his assistance.Fizika Goreniya i Vzryva, Vol. 4, No. 3, pp. 314–322, 1968 相似文献
18.
20.
A published equation for determining the detonation parameters of mixed explosive compositions is used to compute the detonation characteristics. When this equation was used to analyze the detonation parameters of 6ZhV ammonite, the detonation characteristics of the TNT and ammonite in this composition were taken from published data and the parameters of the ammonium nitrate were determined from the equation for the mixture. The results of large-scale experiments on a mixture of no more than 3% TNT with ammonium nitrate are presented. The detonation velocity of ammonium nitrate is found to be 5 km/sec. The equation for the mixture is used to determine the pressure and adiabatic exponent of the explosion products of ammonium nitrate when the size of the explosion exceeds the limiting diameter. Translated fromFizika Goreniya i Vzryva, Vol. 35, No. 2, pp. 102–104, March–April 1999 相似文献