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1995年7月21日,唐山市某制毡厂买进一批山东某化纤厂生产的腈纶丝下脚料,用于制作毡子,3天后12名作业工人陆续发病,出现头晕、目眩、头痛、恶心、呕吐、腹痛、胸闷、心悸、心动过缓、发烧等症状。以切丝工病情较重。事故停产后对中毒现场进行了调查:制毡车间为民房式建筑,厂房低矮,只有一面有门窗,无任何通风设施,切丝间梳丝处原料堆放遍地都是,可嗅到刺激性气味和苦杏仁味,现场空气采样检测,丙烯腈浓度为0.37mg/m~3～18.5mg/m~3(国家卫生标准为2mg/m~3)。这批腈纶丝质量差,丝中杂质较多,可见掺杂白色及黑色颗粒,丝间有粘连,切丝及梳丝时混合尘飞扬,刺激性气味很大,此时正值
July 21, 1995, Tangshan City, a felt factory to buy a group of Shandong Chemical Fiber Factory production of acrylic filament waste, used in the production of blankets, 3 days after the 12 operating workers gradually onset, dizziness, dizziness, headache, nausea , Vomiting, abdominal pain, chest tightness, palpitations, bradycardia, fever and other symptoms. To cut wire serious illness. After the accident, the scene of poisoning was investigated: the blanket workshop is a residential building, the plant is low, only one side has windows and doors, without any ventilation facilities, shredded between the wire at the raw materials stacked everywhere, can smell irritating odor And bitter almond flavor, the sampling of the field air, acrylonitrile concentration of 0.37mg / m ~ 3 ~ 18.5mg / m ~ 3 (National Health Standard 2mg / m ~ 3). This batch of acrylic fiber poor quality, more impurities in the silk, it can be seen doped white and black particles, the adhesion between the silk, shredded and combed silk mixed dust flying, irritating odor, at this time positive