風機噪聲頻譜特性和風機降噪方法

         
風機噪聲頻譜特性和風機降噪方法

FENGJIGUANGFANYINGYONGZAIGONGYESHENGCHANQIYEHEMINYONGJIANZHU。FENGJIDEZHONGLEIYOUHENDUO:KEFENWEILIXINSHIFENGJI/XIEPIANSHIFENGJI、ZHOULIUSHIFENGJIHELUOCIGUFENGJIDENG。YOUYUFENGJIDEZHONGLEIHEXINGHAOBUTONG,CHANSHENGDEZAOSHENGJIPINPUTEXINGYEYOUSUOBUTONG。CONGFENGJIZAOSHENGDEJILIJITEXINGLAIKANZHUYAOYOUSIBUFENZUCHENG。JINQIKOUHEPAIQIKOUDEKONGQIDONGLIXINGZAOSHENG、DIANDONGJIDEDIANCIZAOSHENG、FENGJIZHENDONGTONGGUOJICHUFUSHEDEGUTISHENG、JIKE、GUANLU、DIANDONGJIZHOUCHENGDENGFUSHEDEJIXIEXINGZAOSHENG。ZAIZHESIBUFENZHONG,YIBANYIJIN、PAIQIKOUDEKONGQIDONGLIXINGZAOSHENGZUIQIANG。GENJUDUIFENGJIDESHICEFENXIBIAOMING,FENGJIDEKONGQIDONGLIXINGZAOSHENGYUEBIQITABUFENDEZAOSHENGGAOCHU12~25dB(A)。YINCI,DUIFENGJICAIQUZAOSHENGZHILISHOUXIANYINGKAOLVKONGQIDONGLIXINGZAOSHENG。

FENGJIZAOSHENGPINPUTEXINGDEFENLEI

GUODALIANGDEXIANCHANGSHICEHEDUIFENGJICHANSHENGZAOSHENGDEJILIFENXIBIAOMING:FENGJIZAOSHENGPINPUKESHIDANGDEFENLEI。RUCHANGJIANDELIXINFENGJI,QIXIEPIANSHUWEI10~12PIAN,ZHUANSHUWEI250~1450r/minSHI,JIPINLUOZAIBEIPINCHENGZHONGXINPINLV63~125HzDEFANWEINEI,ZHUYAOPINLVFANWEIWEI125~2000Hz。DANGZHUANSHUWEI1450~2900r/minSHI,JIPINLUOZAIBEIPINCHENGZHONGXINPINLV250~500HzDEFANWEINEI,ZHONGYAOPINDAIFANWEIWEI250~4000Hz。LIXINFENGJIDEFENGZHIYIBANZAI500HzYISHANG,ZHONGYAOPINDAIFANWEIZAI125~4000HzHUO250~8000Hz,CHENGKUANPINDAIZAOSHENG。ZHEYANG,ANBEIPINCHENGZUIDASHENGYAJIDEFENBUTEXING。KEJIANGFENGJIZAOSHENGFENWEIWULEI:TEDIPIN、DIPIN、ZHONGPIN、GAOPIN、KUANPIN。

DUIFENGJIJINXINGZAOSHENGZHILIZHIQIAN,BIXUXIANGXILEJIEFENGJIHEJIZUDEZAOSHENGZHUANGKUANG。

ZHELIBAOKUOCHAZILIAOHUOSHIJICELIANG,BINGDUIZAOSHENGPINPUJINXINGFENXI。FENGJIZAOSHENGDEDAXIAOYUFENGJIDEJIEGOU、XINGHAO、FENGLIANGHEFENGYADENGYINSUYOUGUAN。GENJUFENGJIZAOSHENGDEDAXIAO、XIANCHANGTIAOJIAN、ZAOSHENGKONGZHIDEYAOQIU,KEXUANZEBUTONGDEZAOSHENGKONGZHIFANGANHECUOSHI。YIBANKEFENWEIJIAZHUANGGESHENGZHAO、ANZHUANGXIAOSHENGQI、JIANZHENJIGEZHENCUOSHIDENG。

ANZHUANGGESHENGZHAO

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ZUANZHUANGGESHENGZHAO,DADUOCAIYONGMIBISHI,ZHEZHONGGESHENGZHAOGESHENGXIAOGUOHAO。DANCAIYONGMIBISHIGESHENGZHAO,JIUDAILAIJIZUDESANREWENTI。JIZUDEWENSHENG,JISANREWENTIJIUCHENGWEIGESHENGZHAOSHEJIDEGUANJIAN。MUQIAN,YIBANDOUCAIYONGGESHENGZHAONEITONGFENGLENGQUEDEFANGFA,LENGQUEFANGSHIYOUZIRANTONGFENGLENGQUEFAHEQIANGZHITONGFENGLENGQUEFALIANGZHONG。XUYAOTONGGUOFENGJIDEFENGLIANGHEJIZUDEFARELIANGLAIYANGEJISUANGESHENGZHAODETONGFENGLIANG。JIN、CHUFENGKOUANZHUANGXIAOSHENGQIFENGJIKONGQIDONGLIXINGZAOSHENGZHILIDEZUIYOUXIAOCUOSHISHIZAIFENGJIJIN、CHUKOUANZHUANGXIAOSHENGQI。FENGJIANZHUANGXIAOSHENGQIKEYIGENJUZAOSHENGZHILIQUYUHEJIANGZAOMUBIAOXUANZEZAIJINQIKOUANZHUANGXIAOSHENGQI,ZAICHUQIKOUANZHUANGXIAOSHENGQI,JIN、CHUQIKOUGUANDAOSHANGDOUYAOANZHUANGXIAOSHENGQI。ZAIJIANGZAOYAOQIUJIAOGAOSHI,XUYAOANZHUANGDUOGEXIAOSHENGQI,BINGQIEXIAOSHENGQIYIFENDUANANZHUANG。

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