摘要
采用Cadna/A噪声预测软件模拟石化建设项目声环境影响,分别预测厂内和厂界噪声值。依据模拟结果,厂界处噪声超标,通过噪声优化设计,提出降噪解决措施,在不改变工艺流程设计和设备选型的情况下,依据噪声源的频谱特性、噪声强度及所处位置,可采取隔声、消声、吸声、隔振、阻尼减震等噪声治理措施。对降噪后厂区现场实测,结果满足GB 3096-2008《声环境质量标准》、GB 12348-2008《工业企业厂界环境噪声排放标准》、GB Z1-2010《工业企业设计卫生标准》、GBZ 2.2-2007《工作场所有害因素职业接触限值第2部分:物理因素》等。
This project adopted Cadna/A for noise environment simulation,to predict the value of noise both at boundary of the factory and inside the factory.According to the simulation results,the noise in the factory was over standard.By means of optimization design,noise reduction measures were put forward.In the case of no change of process design and equipment selection,based on the spectrum characteristics,noise intensity and location of the noise source,measures such as insulation,elimination,absorption,vibration isolation,damping could be adopted.After noise reduction,,the results measured at the factory site met the requirements in 'Environmental quality standard for noise '(GB 3096—2008), ' Emission standard for industrial enterprise noise at boundary'(GB 12348—2008), ' Hygienic standards for the design of industrial enterprises'(GBZ1—2010),and 'Occupational exposure limits for hazardous agents in the workplace Part2:Physical agents'(GBZ 2.2—2007).
出处
《油气田环境保护》
CAS
2015年第5期61-64,93,共4页
Environmental Protection of Oil & Gas Fields
