发电机组在工作过程中,产生少量废弃和微小固体颗粒,主要危害是噪音,其声值在108分贝左右,严重影响人们的正常工作和生活。
During the working process of the generator set, a small amount of waste and small solid particles are produced, and the main harm is noise. Its sound value is about 108 dB, which seriously affects people's normal work and life.
发电机组房消音环保工程需要根据机房的具体情况进行设计和施工。为了保障机组的正常工作,在设计发电机组房消音工程时,需要注意以下几个方面:
The noise elimination and environmental protection project of generator set room needs to be designed and constructed according to the specific conditions of the machine room. In order to ensure the normal operation of the unit, the following aspects should be paid attention to when designing the silencing project of generator set room:
1.系统:机房内不得设置燃油箱,不得堆放易燃易爆物品、要配置消防器材.同时,井联电柜等电气设备要与发电机组房隔离开来,以免影响电气元件的工作寿命。
1. System: fuel tank shall not be set in the machine room, inflammable and explosive articles shall not be stacked, and fire-fighting equipment shall be equipped At the same time, electrical equipment such as well connection cabinet shall be isolated from the generator set room to avoid affecting the working life of electrical components.
2.进风系统:每台发电机组工作时需要大量的新鲜空气,所以机房有足够的进风。
2. Air inlet system: each generator unit needs a lot of fresh air during operation, so there is enough air inlet in the machine room.
3.排风系统:发电机组工作时,铲生大量的热量,为便发电机组能正常工作,机房环境温度不得超过50握氏度,而对柴油机奥好的工况来说,机房环境温度应低于37.8摄氏度, 所经要抽部分热量出机房。发电机组房隔音工程的主要内容:
3. Exhaust system: when the generator set is working, it generates a lot of heat. In order to make the generator set work normally, the ambient temperature of the machine room shall not exceed 50 ° C. for the excellent working condition of the diesel engine, the ambient temperature of the machine room shall be lower than 37.8 ° C, and part of the heat shall be pumped out of the machine room. Main contents of sound insulation works of generator set room:
1.机房出入通道的隔音:本着方便发电机组调入、调出及机房人员工作方便的原则来设置-个或二个隔音门,以金属构架,内附高质量隔音材料,度以8cm至12cm为宜.
1. Sound insulation of the entrance and exit of the machine room: one or two sound insulation doors shall be set in the principle of facilitating the transfer in and out of the generator set and the work of the machine room personnel. They shall be metal frame with high-quality sound insulation materials inside, and the degree shall be 8cm to 12cm
2.进风系统的隔音:在进风面设置消音槽和隔音墙,采取强制进风方式以保持机组正常运行所需的新鲜空气。
2. Sound insulation of air inlet system: set silencing trough and sound insulation wall on the air inlet surface, and adopt forced air inlet mode to maintain fresh air required for normal operation of the unit.
3.排风系统的隔音。在排风面没置消音槽和隔音墙,采取强制排风方式,以更大的限度降低发电机工作环境温度。
3. Sound insulation of exhaust system. There is no silencing slot and sound insulation wall on the exhaust surface, and the forced exhaust mode is adopted to reduce the working ambient temperature of the generator to a greater extent.
4.烟道消声系统:在机房外的烟管上安装级阻尼式消音哭器,以降低发动机排烟噪声,同时又要不影响废气的排放。
4. Flue silencing system: stage damping silencers are installed on the smoke pipes outside the machine room to reduce the exhaust noise of the engine without affecting the emission of exhaust gas.
5.吸音墙和吸音天花,在机房内寺上安装吸盘音材料,以防止境音从机房顶传出和回弹,降低室噪音分贝数。
5. For the sound-absorbing wall and ceiling, install sound-absorbing materials on the temple in the machine room to prevent the ambient sound from coming out and rebounding from the roof of the machine room and reduce the decibel of room noise.
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