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王仁仪(华西医科大学附属职业病防治院)报道:成都市某大型无缝钢管厂酸洗车间,1985年采用酸洗槽双侧槽边抽风后,对于保护酸洗工人的健康取得了良好效果。 1.安装双侧槽边抽风前测呼吸带硫酸浓度11个点,平均为1062.7mg/m~3,安装后测7个点,平均为0.58mg/m~3(国家卫生标准为2mg/m~3)。 2.一般症状:安装前受检工人48名(男42人,女6人),;安装槽边抽风后3年受检工人81名(男66人,女15人),体检结果,安装槽边抽风后,头昏、心悸、咳嗽、恶心、腹痛、腰痛等症状非常
Wang Renyi (Department of Occupational Disease Prevention and Control, Huaxi Medical University) reported: Chengdu, a large-scale seamless steel pipe factory pickling workshop, in 1985 the use of pickling tank after both sides of the groove ventilation, for the protection of pickling workers achieved good results. 1. Installation of double-side slot before the ventilation test respiratory sulfuric acid concentration of 11 points, with an average of 1062.7mg / m ~ 3, measured after installation of 7 points, an average of 0.58mg / m ~ 3 (National Health Standard 2mg / m ~ 3). 2. General Symptoms: 48 pre-installation workers (42 males and 6 females); 81 workers (66 males and 15 females) who have been inspected 3 years after installation of the sump, physical examination results, installation slots After the side ventilation, dizziness, palpitations, cough, nausea, abdominal pain, back pain and other symptoms are very