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OPE电竞NINHAO,HUANYINGLAIDAOYUNNANTENGXIANGXINTONGFENGSHEBEIYOUXIANGONGSIGUANWANG!



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云南通風設備想問這些風管選型知識你掌握了嗎?

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云南通風設備想問這些風管選型知識你掌握了嗎?

發布日期:2019-05-22 作者: 點擊:

OPE电竞XIANGWENZHEXIEFENGGUANXUANXINGZHISHINIZHANGWOLEMA?

1、FENGGUANNEIDEFENGSU

YIBANKONGDIAOFANGJIANDUIKONGDIAOXITONGDEXIANDINGDEZAOYINYUNXUZHIKONGZHIZAI40~50dB(A)ZHIJIAN,JIXIANGYINGNR(HUONC)SHUWEI35~45dB(A)。GENJUSHEJIGUIFAN,MANZUZHEYIFANWEINEIZAOYINYUNXUZHIDEZHUGUANFENGSUWEI4~7m/s,ZHIGUANFENGSUWEI2~3m/s。TONGFENGJIYUXIAOSHENGZHUANGZHIZHIJIANDEFENGGUAN,QIFENGSUKECAIYONG8~10m/s。

2、CHUFENGKOUCHICUNDEJISUAN

WEIFANGZHIFENGKOUZAOYIN,SONGFENGKOUDECHUFENGFENGSUYICAIYONG2~5m/s。FENGKOUDECHICUNJISUANYUFENGGUANDAOCHICUNDEJISUANJIBENXIANGTONG,YIBANDANGCENGGAOZAI3~4MIDEFANGJIANDAYUEQUFENGSUZAI2~2.5MIMEIMIAO。GENJUJINGYANYIBANKEJIANGSHIMEIGEFENGKOUZAI20~25PINGFANGMIDEMIANJI,QIFENGLIANGDAYUEZAI500LIFANGMIZUOYOU。

3、HUIFENGKOUDEXIFENGSUDU

HUIFENGKOUWEIYUFANGJIANSHANGBUSHI,XIFENGSUDUQU4~5m/s,HUIFENGKOUWEIYUFANGJIANXIABUSHI,RUOBUKAOJINRENYUANJINGCHANGTINGLIUDEDIDIAN,QU3~4m/s ,RUOKAOJINRENYUANJINGCHANGTINGLIUDEDIDIAN,QU1.5~2m/s ,RUOYONGYUZOULANGHUIFENGSHI,QU1~1.5m/s 。

4、YUNNANTONGFENGSHEBEIGAOSUNINFENGGUANANZHUANGZHUYISHIXIANGJIFENGGUANJISUAN

? ZAIFENGGUANSHEJIJINLIANGXIAODEQINGKUANGXIABAOZHENGZHUGUANFENGSU5m/s,ZHIGUANFENGSU3m/s,

? FENGGUANJISUANGONGSHI:SUOXUANSHEBEIFENGLIANG÷3600÷FENGSU=FENGGUANJIEMIANJI

OPE电竞? TONGSHIZHUYIBAOZHENGFENGGUAN:CHANGBIAN÷DUANBIAN≤4 YIBANBUYAO>4 TESHUQINGKUANGTESHUDUIDAI。

? FENGKOUDEXUANZE:SUOXUANFANGJIANFENGLIANG÷3600÷FENGSU=SANLIUQIHOUBUJIEMIANJI

? ZHUYI:SHUANGBAIXIEFENGKOUJIEMIANJIWEIYISHANGGONGSHISUODEMIANJI÷0.7

5、JISUANFENGGUANCHICUN

OPE电竞1)DENGZUNIFA(DENGYAFA)SHIYIZHONGFANGBIANDEJISUANFA,SHIYONGYUDUOZHONGCHANGHE。

2)GENJUXIABIAOQUEDINGZHUFENGGUANZHONGDEJIBENZUNIXISHU。

FENGGUANLEIXING

ZUNIXISHU(mmH2o)

SONGFENGGUAN

0.05-0.2

HUIFENGGUAN

0.03-0.12

YINHUIFENGGUANWEIYUXIFENGBUWEI,ZHUYAOCHENGSHOUWAIBUYALI,YINGZHUYIJIANQINGQIFENGGUANFUDAN。DUIYUFENGGUANXITONG,CHANGCAIYONGSONGFENGGUAN0.08-0.15mmH2O/m,HUIFENGGUAN0.06-0.1 mmH2O/mZUOWEIJIZHUN。

OPE电竞6、ZAIJINXINGFENGGUANJIDEFENGGUANDAOSHEJISHI,ZHUYIZAIFENGGUANJIDEJIN、CHUFENGCHUJIA,YIJUNHENGFENGYA,JIANSHAOZAOYIN,BINGQIESHIJINGYAXIANGNEIDELIUSUBAOZHENGZAI3MIMEIMIAOYIXIA,QICHANGDUKEGENJUSHIJIQINGKUANGLAIDING。

7、FENGYAGUSUAN

OPE电竞? RUWANTOU、SANTONG、BIANJINGDENGJIAOSHAODEQINGKUANGXIAMEIMISUNSHI4paZUOYOU。

OPE电竞? RUWANTOU、SANTONG、BIANJINGDENGJIAODUODEQINGKUANGXIAMEIMISUNSHI6paZUOYOU。

GUANDAOSHIBUFENGKOUSHIJIFENGKOU、SONGFENGGUANDAO、JINGYAXIANG、BAOWENCAILIAO、FENGFADENGGONGNENGWEIYITIDEZHONGYANGKONGDIAOMODUANSONGFENGXITONG。

GUANDAOSHIBUFENGKOUZAIYANGUANCHANGFANGXIANGSHANGHUANYOUYOUYUMOCAZULIHEJUBUZULIZAOCHENGDEYALISUNSHI。YINWEIYALISUNSHIYUFENGSUCHENGZHENGBIGUANXI,DANGQILIUYANGUANCHANGFANGXIANGFENGSUYUELAIYUEXIAOSHI,ZULISUNSHIYEBUDUANXIAJIANG。YUCITONGSHI,FENGGUANGEBIAOZHUNJIANYIJICHUFENGKOUYECUNZAIJUBUZULISUNSHI。GUANDAOSHIBUFENGKOUSONGFENGXITONGYIZHIGUANWEIZHU,XITONGZHONGSANTONG、WANTOUJIBIANJINGHENSHAO,YIBANYIYANCHENGZULISUNSHIWEIZHU,KONGQIHENGDUANMIANXINGZHUANGBUBIANDEGUANDAONEILIUDONGSHIDEYANCHENGMOCAZULIANXIASHIJISUAN:

——MOCAZULIXISHU;

——FENGGUANNEIKONGQIDEPINGJUNLIUSU,m/s;

——KONGQIDEMIDU,kg/m3;

——FENGGUANCHANGDU,m;

——YUANXINGFENGGUANZHIJING(NEIJING),m;

MOCAZULIXISHU SHIYIGEBUDINGZHI,TAYUKONGQIZAIFENGGUANNEIDELIUDONGZHUANGTAIHEFENGGUANGUANBIDECUCAODUYOUGUAN。

OPE电竞GENJUDUIXIANWEICAILIAOHEGUANDAOSHIBUFENGKOUDEZONGHEXINGYANJIUDEDAOMOCAZULIXISHU BUDAYU0.024(TIEPIFENGGUANDAYUE0.019),YOUYUGUANDAOSHIBUFENGKOUYANCHANGDUFANGXIANGSHANGDOUYOUSONGFENGKONG,GUANNEIPINGJUNFENGSUJIUSHIFENGGUANRUKOUSUDUDE1/2。YOUCIKEJIAN ,GUANDAOSHIBUFENGKOUDEYANCHENGSUNSHIBICHUANTONGTIEPIFENGGUANYAOXIAODEDUO。

BUJIANJUBUYASUNJISUAN

DANGGUANDAOSHIBUFENGKOUNEIQILIUTONGGUOWANTOU、BIANJING、SANTONGDENGDENGBUJIANSHI,DUANMIANHUOLIUXIANGFASHENGLEBIANHUA,TONGCHUANTONGFENGGUANYIYANGHUICHANSHENGXIANGYINGDEJUBUYALISUNSHI:

Z:JUBUYALISUNSHI(pa)

ξ:JUBUZULIXISHU(ZHUYAOYOUSHIYANCEDE,TONGCHUANTONGFENGGUANZHONGLEISI)

OPE电竞ρ:KONGQIMIDU(kg/m3)

v:FENGSU(m/s)

OPE电竞WEILEJIANSHAOGUANDAOSHIBUFENGKOUDEJUBUSUNSHI,WOMENTONGCHANGJINXINGYIDINGDEYOUHUASHEJI:

OPE电竞1. ZONGHEDUOZHONGYINSUXUANZEGUANJING,JINLIANGJIANGDIGUANDAONEIFENGSU。

2. YOUHUAYIXINGBUJIANSHEJI,BIMIANLIUXIANGGAIBIANGUOJI、DUANMIANBIANHUAGUOKUAI。

GENJUSHIJIGONGCHENGJINGYAN,WOMENZONGJIECHUGEZHONGGUANDAOSHIBUFENGKOUBUJIANDEJUBUZULIZHI(FENGSU=8m/s),RUXIABIAO:

OPE电竞LIRU:MOUCHAOSHIYASUNJISUANSHUOMING

OPE电竞DUIYUGAICHAOSHI,AHU KONGDIAOXIANGFENGLIANGWEI36000CMH,XUANQUBIANHAOAHU-14HAOKONGDIAOXIANGXITONG,ZHUGUANCHICUNWEI2000*610mm,GONGYOU5ZHIZHIGUAN,ZHIGUANGUANJINGWEI559mm。XUANQUZUICHANGBULIHUANLU25MIZHUGUAN+20.6MIZHIGUANZUOWEIJISUANYIJU;

YANCHENGZULISUNSHIJISUAN:

OPE电竞ZHUGUAN:25MI, 2000*610mm,DANGLIANGZHIJING ,

OPE电竞ZHIGUANDAO:20.6MI, 559mm,,

JUBUZULISUNSHIJISUAN:

DENGJINGSANTONGJUBUSUNSHIWEI12Pa,DUIYUBIANJINGSANTONGQU20Pa.

ZUICHANGBULIHUANLUYASUNWEI20+8.5+6=34.5Pa.

KEJIANGUANDAOSHIBUFENGKOUYOUQISHIZHIGUANXITONGDEYANCHENGZULISUNSHIFEICHANGXIAO,YUNNANTONGFENGSHEBEIGAOSUNINFENGGUANYIBANBUHUICHAOGUOJINGYAFUDEDEZHI,SUOYIZAICUSUANSHIJIBENKEYIHULVEBUJI!

SHOUXIANBAJUXINGFENGGUANZHUANHUANCHENGDANGLIANGDEYUANXINGFENGGUAN。

JIEMIANJI=BANJING*BANJING*3.14。

320*250=0.08(PINGFANGMI),JUXINGFENGGUANDEJIEMIANJIWEI0.08(PINGFANGMI);

BANJING=√(0.08/3.14)=0.159(MI);YUANXINGGUANDAOZHIJING=0.159*2=0.319(MI);

ZHU:√-KAIPINGFANG。

JISUANFENGJIQUANYA:

YIZHIMEICENGLOUGAOWEI3MI,GONGLIUCENGGAO,GUGUANDAOZONGCHANGYUEWEI18MI,FENGLIANGWEI5000LIFANGMI/MEIXIAOSHI,GENJUSHANGSHUTIAOJIANSHOUXIANJISUANFENGSU。

FENGSU=FENGLIANG/(BANJING*BANJING*3.14*3600)=5000/(0.159*0.159*3.14*3600)=17.5(MI/MIAO);

OPE电竞JISUANMEIMIGUANDAODEYANCHENGMOCAZULI:

R=(λ/D)*(ν^2*γ/2)=(0.09/0.319)*(17.5^2*1.2/2)=51.6(Pa)

YANCHENGMOCAZONGZULI:

H=RL=51.6*18=929(Pa)

OPE电竞FENGJIQUANYA=1.1H=1.1*929=1022(Pa)。

γ-KONGQIMIDU,KEXUAN1.2;ν-LIUSU(m/s);D-GUANDAOZHIJING(m);R-YANCHENGMOCAZULI(Pa);L-GUANDAOCHANGDU(m));√-KAIPINGFANG;λ-GUANDAOZULIXISHU。

8、JIEFENGGUANDEFENGPANDEFENGKOUSHEJI

1)DIYIGESONGFENGKOUYUFENGPANDECHUFENGKOUDEJULIYAOSHIDANG;

OPE电竞2)DAIYOULIANGGECHUFENGKOUDEFENGPANSONGFENGGUANYAOBIANJING;

OPE电竞3)FENGPANDESONGFENGKOUYUHUIFENGKOUJULIYAOSHIDANG。(≤5MI)

9、FENGKOUDEXUANYONG.

OPE电竞① XINFENGKOU,SONGFENGKOUYONGSHUANGCENGBAIXIEFENGKOU

② HUIFENGKOUYONGGEZHAFENGKOU

③ PAIFENGKOUYONGSHUANGCENGBAIXIE

④ FUXITONGYOUYUFENGLIANGYIBANBIJIAOXIAO,RUYAOQIUDONGJICAINUANXUYAO,YICAIYONGYONGSHUANGCENGBAIXIE,BUNENGYONGSANLIUQI。FENGJIPANGUANDAILIANGGEFENGKOUSHIYIXUANYONGDAIDIAOJIEFADESHUANGCENGBAIXIE。


云南通風設備


OPE电竞(BENWENNEIRONGLAIYUANYUWANGLUO,RUYOUQINQUANQINGLIANXISHANCHU)

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