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一、概述北京灯泡三厂风机房(8.0×3.4×4.0m~3)内设置两台罗茨鼓风机,其技术规格为,风量 7m~3/min压力 3500mmH_2O功率 13kW机房的位置见图1.罗茨鼓风机的进气噪声高达105～135dB(A),机房内的噪声达108dB(A),即使在机房门口仍有98dB(A),甚至在距十数米远处厂传达室门口仍能明显地听到罗茨鼓风机的噪声(80dB(A)),严重地干扰厂区和机房内的生产,也对厂区南侧隔壁的育翔幼儿园有较大的影响(64dB(A),比标准值55dB(A)离出9dB(A),为此需要予以治理.
I. Overview Beijing Light Bulb Plant fan room (8.0 × 3.4 × 4.0m ~ 3) set up two Roots blower, the technical specifications for the air volume 7m ~ 3 / min pressure 3500mmH_2O power 13kW room location shown in Figure 1. Luo The air intake noise of the Roots Blowers was as high as 105-135 dB (A) and noise was as high as 108 dB (A) in the machine room, even though there was still 98 dB (A) at the door of the room, even at a distance of a few meters Heard the noise (80dB (A)) of the Roots blower, which seriously interfered with the production in the plant area and the engine room. It also had a greater impact on the Yuxing kindergarten next to the south of the plant (64dB (A)), which was 55dB (A) out of 9dB (A), which needs to be addressed.