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
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