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                Boiler explosion accident is analysed

                来源: 作者:Stand originally 时间:2008-12-25 Tag: 点击:
                On November 28, 2000 4 when 30 minutes, county of water of Shanxi province article line of business of fine treasure wine a boiler creates limited company 2 people die, 2 people are weighed, 2 people flesh wound. Immediate pecuniary loss 300 thousand yuan, indirect loss 200 thousand yuan.

                1. accident produces main course

                On November 21, 2000, article water county line of business of fine treasure wine limited company from the county that make a wall eaves of stable village Xin solders the factory pullbacks a boiler. The armor plate of boiler, sealing head, towering canal, fire pipe is line of business of You Jiabao wine limited company provide for oneself, by the county that make a wall eaves of stable village Xin solders the factory makes the vertical fire that does not have any accessory be in charge of steam boiler, via line of business of fine treasure wine starting a hole of limited company maintenance technician installed relief valve, pressure watch, fluviograph, sail upstream, advocate after accessory of steam valve, blowdown, perch installation. On November 27, 2000 installation is finished in the morning, the cold conditions that undertook 0.7 ~ 0.9MPa then tries after be being pressed twice, adjusted relief valve, company leader arranges fireman personnel to fall to began ignition to boil furnace at 5 o'clock, in the evening at 10 o'clock banking fire, fireman personnel comes off work, on November 28, 2000 4 when, worker of morning shift fireman goes to work, connect fire to warm up, be in about 4 when control 30 minutes abrupt blare, boiler produced explosion, body of heater releases powerful air current abruptly, boiler breaks firm purler to be in be apart from boiler place on the clearing outside 6 ground rice, chimney falls in be apart from boiler proper amount to red-letter day is broken on the clearing of more than meters of 10 place, boiler bottom becomes a 1.5 × in grey hole blast 4 meters large hole, the coal fired of former furnace is grey all around fly fall, in 4 people of sound 2 people die, 2 people are weighed, be apart from the 2 people with further boiler land of different also level got flesh wound.

                State of 2. preaccident equipment

                After accident happening, pass spot reconnaissance, understanding this boiler to concerned party and masses investigation is line of business of fine treasure wine limited company from Taiyuan redemptive form of two useless old dish seals a head (2200 × of Φ 10) and (108 × of Φ 6) steel tube, yu second make seal a head twice. (2500 × 14, 2200 × 14) , hand in a city to buy 10mm spring, by the county that make a wall eaves of stable village Xin solders a when the factory makes (6200 × 2500) vertical fire is in charge of boiler, of relief valve, pressure expresses, fluviograph two, blowdown a powerful person a group, the design from boiler, make, installation is used till investment, all do not have any data, blueprint, material to prove character, also had not been defeated by any formalities to concerned branch, belong to blame legal system to build boiler.

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