论文部分内容阅读
高炉干法除尘系统主要噪声源为煤气调压阀组。在煤气调压阀组下游加装带整流栅的消声器,解决了此类消声器易被吹坏的问题,振动也得到缓解。另外采用隔声罩和局部包扎,可控制噪声。此项技术在鞍钢鲅鱼圈等厂应用,消声器下游噪声降至90 dB以下。经过进一步开发,研制成功了新型高炉煤气调压阀组与降噪减振成套装置,可在不加隔声罩的情况下,使噪声达到国家标准。
The main noise source of blast furnace dry dust removal system is the gas pressure regulating valve group. The downstream of the gas pressure regulating valve unit is equipped with a muffler with a rectifying grid to solve the problem that the muffler is easily blown and the vibration is also alleviated. In addition the use of noise enclosures and local dressing, can control the noise. The technology is used in Anshan Iron and Steel Bayuquan plant, the downstream noise muffler down to 90 dB or less. After further development, the successful development of a new blast furnace gas regulator valve set and noise reduction set of complete sets of equipment, without noise enclosures, the noise to meet the national standards.