炼钢行业的典型火灾事故案例分析(1).ppt

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1、炼钢行业的火灾事故案例分析,林哲次 博士,高炉毒气外漏(Toxic Gases leak from Blast Furnace),2010,07/15 Durgapur Steel Plant(DSP,孟加拉)27伤,意外事故发展:,The incident occurred when the employees of the DSP were working at blast furnace number 2.At least 27 people were taken ill after toxic methane甲烷and carbon monoxideCO gases leaked fr

2、om a blast furnace at the Durgapur Steel Plant(DSP)in West Bengals Burdwan district Thursday.,意外事故原因:,不明,焦炭炉爆炸、火灾(Coke Oven Explosion),2010,07/14 Pennsylvania Steel Plant(美国)14名烧伤,1名胸部疼痛,意外事故发展:,The blast in the coke oven at United States Steel Corp.s Clairton Coke Works happened around 9:30 a.m.Wed

3、nesday,injuring 15 workers,at least two critically,and causing a fire that burned for hours afterward,.,意外事故原因:,.Union officials are reporting the explosion was related to a gas line.,火从煤块研磨注入部门扩散开(Fire Broke Out in Pulverized Coal Injection Section),2010,05/20 MSP Metallic steel plant(Orissa,印度)6死5

4、名员工烧伤,意外事故发展:,The incident occurred at around 6 PM on Monday when some unsafe action by employees of steel manufacturing unit led to the fatal accident.Three laborers died on the spot while other three succumbed to burns while being taken to Indira Gandhi Hospital at Rourkela.Of the five injured lab

5、orers,three have been kept in ICU while the rest two are under observation.,意外事故原因:,两个可能原因：煤炭存贮槽自燃 或 焊接火星引燃火灾,熔铁爆炸(A molten metal explosion),2010,04/12 Pennsylvania Steel Plant(美國)1死2名员工烧伤,意外事故发展:,熔铁喷出导致爆炸 It appeared a vessel containing molten metal erupted,spewing the metal inside.,意外事故原因:,不明原因熔铁喷

6、出,缆线隧道火灾（Fire Occurred in the Cable Tunnel）,2010,02/01 Bhilai Steel Plant(BSP,印度)4名员工烧伤,意外事故发展:,The blaze,which broke out in the electrical cable tunnel at around 0130 hrs,soon engulfed the 45-MW Power Plant Number 1.About half-a-dozen fire tenders of BSP,located about 25 km from here,are still batt

7、ling the inferno as smoke is billowing out of the Power and Blowing Station(P and BS).Sources said the fire was brought under control by noon after fire fighters battled for nearly seven hoursThe P and BS also supplies compressed air to the BSPs blast furnaces,意外事故原因:,不明,蒸汽爆炸(Steam explosion in Mill

8、s Furnace),2010,01/07 Beta Steel Corp.Plant(印第安納州,美国)1死4伤,意外事故发展:,One person was killed and four others injured in a steam explosion at a northwest Indiana steel mill.The Thursday night explosion about 7 p.m.at Beta Steel.Water mixing with molten slag 熔渣 in one of the mills furnaces caused the Explo

9、sion.“There was no fire in the explosion,only steam,Lundy said.an electric arc furnace with a 700,000-ton annual production capacity and a 60-inch hot-strip rolling mill with a 1.1 million-ton annual production capacity.,意外事故原因:,水意外跑进炉里Water got into the furnace and somehow got under the molten stee

10、l and caused the explosion,电弧炉爆炸火灾(Fire in Mills Furnace),2009,11/16 Beta Steel Corp.Plant(印第安納州,美国)4伤,意外事故发展:,Beta Steel suffered a“slag eruption”熔渣噴出in their Electric Arc Furnace(EAF).The eruption is under investigation but the assumption at this time is water may have been introduced into the ves

11、sel by accident.There is damage to the EAF vessel and our sources are indicating the repairs will take 4-5 working days and at the very worst case scenario up to two weeks.None of the rolling equipment was affected and work continues at the mill.,意外事故原因:,水意外跑进钢包里Water may have been introduced into t

12、he vessel by accident,75米高烟囱爆炸(Explosion in a 75-metre-tall steel chimney),2007,10/03 CORUS(Scunthorpe 斯肯索普,英国)無,意外事故发展:,An explosion in a 75-metre-tall steel chimney in Scunthorpe.The stack wasnt adequately isolated from the live gas system when the welding took place,meaning traces of extremely fl

13、ammable gas were present inside.The gas ignited during the work and almost blew the flarestack in half.Four nearby contractors were lucky to escape serious injury in the incident at Dawes Lane Coke Ovens on 3 October 2007,意外事故原因:,未隔绝可燃气体 动火管制没落实failing to remove flammable gas from the chimney before

14、 undertaking hot repairs,and for not carrying out a proper risk assessment.,转化炉液钢爆炸、火灾（Liquid Metal Exploded in Steel Converter）,2003,07/30 Vishweshwaraiah Iron Steel Limited(VISL,印度)7死 23员伤,意外事故发展:,The steel converter containing 24,000kg of liquid metal(pig iron)at very high temperature exploded.Fi

15、re disasters following steel converter blast.,意外事故原因:,不明,高炉爆炸、火灾(A Blast Furnace Explosion),2001,11/08 Corus Steelworks(英国)2死13名员工烧伤,意外事故发展:,an explosion occurred in one of two furnaces,The furnaces produce molten iron in the initial phase of steel production.Hundreds of tons of white-hot metal punc

16、hed a hole in the structure.Local residents said they heard a series of around five bangs.These explosions inside the furnace ignited the gases emitting from the top of the furnace,starting a fire.At the same time,molten iron escaped from the base of the furnace and spread rapidly across the cast ho

17、use floor.Workers ran for their lives as a river of liquid metal at 1,100Cs ignited everything in its path.,All victims are suffering varying degrees of burns to their skin,lungs and windpipes,caused by inhaling hot gases.Some are believed to have lost more than half the skin on their body.Others su

18、ffered broken bones after being thrown through the air.,影片讲解Video,Welding On Flammable Liquid Tank,意外事故Accidents,头顶上的天车打死电工(Overhead Crane hit steel worker electrician),2010,04/23 CORUS(Scunthorpe 斯肯索普,英国)1死,意外事故发展:,He was working on a high-level access platform on a Semi-Goliath crane when he appea

19、rs to have been struck by an overhead crane operating above.Mr Standerline was working on a high level access platform on a semi-Goliath crane when he was trapped and crushed by an overhead crane that was operating on the crane track level above.,意外事故原因:,Mr Standerlines death came just five days aft

20、er a 46-year-old welder was seriously hurt at the continuous casting plant(連鑄廠）.Prior to starting any activity a risk assessment should be made to checkthat hazards are controlled,清除阻塞而夹伤(Injured when Clear a Jam),2008,05/24 CORUS(Skinningrove,英国)1右小腿夹伤,意外事故发展:,David Harrison,41 at the time,a team l

21、eader at the Skinningrove factory,was working on the mill floor where steel is rolled into long beams.He was attempting to clear a jam 清除阻塞in a machine,which requires an operator activating controls above the mill floor.The operator was unable to see Mr Harrison and so instructions were relayed via

22、a third man using a combination of hand signals and shouting.Mr Harrison was struck by moving machinery,severely injuring his right leg.,意外事故原因:,While Corus was aware of the hazards and had implemented safe operating procedures to deal with some of the risks,it failed to install a full safe isolatio

23、n system,which had been identified as necessary prior to the incident.,三吨铁压死卡车司机(Lorry driver crushed by three tones of steel),2007,01/04 CORUS(Staffordshire,英国)1死,意外事故发展:,Mr Beddow,who was employed by A Hingley Transport Ltd,was helping to load steel plates onto a lorry.A Corus employee was operati

24、ng a crane to lift a three-tonne pack of steel from a trailer,however,the load was not level,and as it was lifted it fell on top of Mr Beddow and killed him.,意外事故原因:,承载没有水平 the load was not level,印度钢铁厂事故统计分析,68%的意外事故发生在日常例行工作中41-45岁年龄层为主60%起因于人的因素与个人疏忽伤害类以腿部受伤为主单独工作出事概率高炼钢部门比例最高技术不纯熟的契约工，为契约商意外事故的主因,炼钢是钢铁厂最危险的区域！,炼钢部门包含各种潜在的危险！,2009 聯眾,