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反应釜>>行业动态
物料进出容器操作不当引发事故
发布者:admin  日期:2016-05-05  点击:1622

 很多低闪点的甲类易燃液体通过液泵或抽真空的办法从管道进入不锈钢反应釜、蒸馏釜,这些物料大多数属绝缘物质,导电性较差,如果物料流速过快,会造成积聚的静电不能及时导除,发生燃烧爆炸事故。

Many low flash CPI flammable liquids byliquid pump or pumping vacuum solution enters from a pipeline reactor,distillation kettle, these materials are mostly insulating material, poorconductivity, if the material flow velocity is too fast, leading to theaccumulation of static electricity can not be timely guide, in addition toignite an explosion accident.

 

   1993330日,荆州市石化总厂发生反应釜重大爆炸事故,4人死亡。引发爆炸的直接原因是环氧乙烷进料速度过快。在不到2h内,釜内进料已达500kg,造成环氧乙烷来不及与丙炔醇反应而在釜内积聚,釜内压力迅速上升,高压气体急剧喷出,遇静电发生爆炸。进料过快的原因是反应釜仅靠操作人员用阀门手动控制进料速度,没有安装流量计。工人不知道投入反应釜的主料是什么,应该按什么标准投放。而技术转让方竟以“技术保密”为由,拒不向石化总厂透露有关原料的名称及用量。

In March 30, 1993, the reactor(www.gfanyingfu.com) accidentoccurred in Jingzhou petrochemical plant, 4 people were killed. The directcause of the explosion is caused by ethylene oxide feed speed. In less than 2h,the kettle feeding has reached 500kg, caused by ethylene oxide not withpropargyl alcohol and accumulate in the reaction kettle, rapidly risingpressure inside the autoclave, high pressure gas explosion in rapid spray,electrostatic. Feed is too fast because of the operation of the reactoroperator with the valve manually control feeding speed, no installation flowmeter. The workers do not know what is the main ingredient in a reactor, bywhat standard should put. But the technology transfer party to "technicalsecrecy" on the grounds, refused to disclose the name of the petrochemicalplant and the amount of the relevant material.

 

   2002422日,山西省原平市某化工企业发生一起反应釜爆炸事故,造成1人死亡、1人重伤。爆炸冲击波将约200m2车间预制板屋顶几乎全部掀开,所有南墙窗户玻璃破碎,碎渣最远飞出约50m,反应釜上封头40M20螺栓全部拉断或拉脱。事故原因是反应釜卸料过程中,釜内的二硫化碳、异丙醇、氧气的混合物在0.2MPa的表压下压放卸料,当物料从法兰处泄漏时,内外存在压差,泄漏料以一定速度流出,在此过程中形成静电。当不锈钢反应釜内液态物料基本泄尽时,法兰边缘的静电积聚到一定能量并形成放电间隙产生静电火花,引燃二硫化碳、异丙醇、氧气的混合气体,迅速向反应釜内回燃发生化学爆炸。

April 22, 2002, Yuanping City, ShanxiProvince, a chemical company reactor explosion occurred, killing 1 people werekilled and 1 seriously injured. Explosion shock waves will be about 200m2workshop precast slab roof almost all opened, all the windows of the south wallof glass broken, slag farthest flying out of about 50m, the reactor head 40 M20bolts all pull off pull off or. The cause of the accident is the reactionkettle discharging process, kettle of carbon disulfide, isopropyl alcohol andoxygen mixture in gauge pressure of 0.2MPa pressure unloading, when thematerial from the flange leakage, inside and outside pressure, leakage materialflows out in a certain speed, in the process forming electrostatic. When aliquid material in the kettle basic drainage, the flange edge of theaccumulation of static electricity to energy and the formation of theelectrostatic spark discharge gap, carbon disulfide, isopropanol, oxygen gasmixture ignition and quickly to the reaction kettle backdraft chemicalexplosion occurred.

文章来源:http://www.gfanyingfu.com/news.asp?lt=314
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