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向山硫铁矿始建于60年代初,矿井通风使用的是2BY-21 №2B型轴流风机,早已是淘汰产品,其噪音高达105dB(分贝),大大超过国家规定工矿企业的噪音在85dB以下的标准,它不仅损害工人的身心健康,同时也影响通风机房附近居民的休息。被市环保局每月罚款1000～1500元。因此对通风机噪音治理迫在眉睫。矿山生产已接近尾声,更换新型风机成本高,所以他们采取了综合治理的措施,这样既发挥了老设备的潜力,又降低了它的噪音,效果显著。
Xiangshan iron ore was founded in the early 60’s, the mine ventilation is used 2BY-21 № 2B-type axial fan, has long been out of the product, the noise up to 105dB (dB), much lower than the noise of industrial and mining enterprises in the 85dB below The standard, which not only damages the physical and mental health of workers, but also affect the rest of the residents near the ventilation room. Municipal Environmental Protection Bureau was fined 1,000 to 1,500 yuan per month. Therefore, the fan noise control is imminent. The production of the mine is nearing completion. The cost of replacing the new type of fan is high, so they adopted a comprehensive management measure that not only shows the potential of the old equipment but also reduces its noise, resulting in remarkable results.