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污水處理廠羅茨風機噪聲治理

污水處理廠羅茨風機噪聲治理

發布日期:2019-04-08 00:00 來源:http://rbsocol.com 點擊:


現場概況:

WUSHUICHULICHANGCAIYONGSHELIUPUQIHUOXINGWUNIFACHULIGONGYI,GONGYOU9TAI183kwLUOCIFENGJI。ZAOSHENGPINGJUNZHI118.8DB,CHAOGUOQUYUCHANGZAOSHENGBIAOZHUN。

現每臺羅茨風機已均有安裝隔聲罩,隔聲罩外壁材料為玻璃鋼,內壁材料為穿孔鋼板,中間填玻璃棉。羅茨風機進氣口加消聲器、空氣濾清器,橫臥于罩內。風機所需空氣通過一根直徑420mm玻璃鋼管由室外引入隔聲罩內,室外進氣口加有玻璃鋼材料制作的阻性消聲器。見圖1:

羅茨風機

改造方案:

1. JIANGGESHENGZHAOJINQIKOUCONGZHAOSHANGFANGGAIDAOXIAFANG,SHIQILIUNENGGOULIUJINGDIANDONGJIYULUOCIFENGJIJITI,DUITAMENJINXINGLENGQUE(JUTIJIANTU1);

2. JINQIKOUJIEMIANJICONG0.126㎡ZENGJIADAO0.384㎡;

万博体彩3. JINQIKOUYOUSHIWAIJINFENGGAIWEISHINEIJINFENG,BUJINJIANSHAOTONGFENGZULI,ERQIEGAISHANLEFENGJIFANGNEITONGFENGZHUANGKUANG;

4. JINQIKOUPEIYONGLEZHEBANSHIZUXINGXIAOSHENGQI;

5. ZAIZHAONEIZENGSHEXINDEQIANGZHITONGFENGSHESHI,ZAIGESHENGZHAOSHANGFANGJIAYIPAIQISHAN,TAJINZAILUOCIFENGJIBUGONGZUOSHIYUNXING;PAIQISHANWAIJIAZHUANGXIAOSHENGQI,YIJIANGDICONGPAIQIKOUXIECHUDEZAOSHENG;ZAIPAIQISHANYUXIAOSHENGQIJIANSHEJIANYINIZHIFA,YIFANGZHILUOCIFENGJIGONGZUOSHISHIWAIQILIUYOUCIJINRU;

万博体彩6. JIANGLUOCIFENGJIXIEYAKOUYOUSHIWAIYIZHIGESHENGZHAONEI,BINGPEIYONGXIAOSHENGQI,QIDUIWAIHUANJINGYINGXIANGKEHULVE。CAIQUSHANGSHUCUOSHIHOU,JISHIZAIXIAJIZUIRETIANQI,GESHENGZHAOMENYEBUXUYAODAKAI,GESHENGZHAODEJIANGZAOZUOYONGDEDAOBAOZHANG。GONGCHENGJUNGONGHOUCELIANG,ZHAONEIZAOSHENGWEI106.8DB(A),ZHAOWAIJINQIKOUCHUZAOSHENGYIJIANGZHI82.5DB(A);

LUOCIFENGJIPAIQIKOUXIAOSHENGQIDESHEJI

在原工程設計中,雖然重視了羅茨風機進氣口噪聲控制,但卻沒有重視排氣口噪聲控制,這是噪聲控制失敗的另一個主要原因。

XUANZELUOCIFENGJIGESHENGZHAONEIKAOJINFENGJIPAIQIKOUCHUZUOCEDIAN①,XUANZELUOCIFENGJIGESHENGZHAOWAIHUILIUGUANXIAKAOJINFENGJIPAIQIGUANCHUZUOCEDIAN②。CELIANGJIEGUOJIANBIAO1:

羅茨風機


YOUSHANGSHUKEZHI,JIANGDILUOCIFENGJIPAIQIKOUQILIUZAOSHENGSHIBENGONGCHENGLINGYIGEZHONGYAOCUOSHI。JIAZHUANGXIAOSHENGQISHIJIANGDIQILIUZAOSHENGDEYOUXIAOSHOUDUAN,GENJULUOCIFENGJIZAOSHENGPINPU,SHEJILEZUKANGFUHESHIXIAOSHENGQI,JIANTU2:

羅茨風機


GAIXIAOSHENGQIDEXISHENGCAILIAOXUANYONGLIXINBOLIMIANZHAN,HOUDUSHEJIWEI150mm。TONGSHIHUANDUIHUILIUGUANCAIQULEZAOSHENGKONGZHICUOSHI。

JINGCE,CEDIAN②ZAOSHENGYICONG116.2DB(A)JIANGZHI87.8DB(A),ZAISHIWAIZHUSONGFENGDAORUKOUCHUZAIJIAZHUANGYITAIZUKANGFUHESHIXIAOSHENGQIHOU,PUQICHIKAOJINSONGFENGDAOCHUZAOSHENGYIYOU116.2DB(A)JIANGZHI63.8DB(A)。

 

提高風機房圍欄結構隔聲量的措施

JIANGFENGJIFANGDEPUTONGMUMENGAIWEIGESHENGMEN,CHUANGHUGAIWEIGESHENGCHUANG。ZENGJIADIZAOSHENGPAIQISHANTONGFENGJIANGDISHINEIQIWEN。MANPUXISHENGDIAODING。

羅茨風機房內噪聲平均值已降至85.5DB(A),廠界噪聲降至43.5DB(A),達到國家有關噪聲標準。

 


相關標簽:羅茨風機

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