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电镀车间在生产过程中有大量有害气体产生,如硝酸分解产生氧化氮,包括NO 和 NO_2;另外还有酸雾等。这些有害气体危及人体与环境,腐蚀厂房内的设备和土建围护结构,其中尤以铬雾最为严重。为了改善工作环境,减少有害气体对操作工人的危害,通常在镀槽上都安装有槽边抽风罩,以排除生产过程中产生的有害气
Electroplating workshops produce a large number of harmful gases during the production process, such as nitric acid decomposition to produce nitrogen oxides, including NO and NO 2 ; there are also acid mists. These harmful gases endanger the human body and the environment and corrode the equipment and civil building envelopes in the factory buildings, among which the chrome fog is the most serious. In order to improve the working environment and reduce the harmful effects of harmful gases on the operating workers, slot suction hoods are usually installed on the plating tank to eliminate harmful gases generated during the production process.