一、有害气体的分类在化工生产中,常见的有害气体可分两大类。一类是刺激性气体,如氯气、氨气、氮氧化物等,这些气体除引起全身中毒症状外,最明显的是对眼、鼻和上呼吸道粘膜有刺激性,可引起充血、渗出及上皮细胞的坏死,并发喉水肿,气道梗阻和肺水肿。严重 First, the classification of harmful gases In chemical production, common harmful gases can be divided into two categories. One is the irritating gases, such as chlorine, ammonia, nitrogen oxides, etc., these gases in addition to causing systemic symptoms of poisoning, the most obvious is eye, nose and upper respiratory tract irritation can cause congestion, exudation and Epithelial cell necrosis, associated with laryngeal edema, airway obstruction and pulmonary edema. serious