聯系我們
成都賽(sai)朗科技有(you)限公司(si)
手(shou) 機:18728482904(易先(xian)生(sheng))
座 機:400-8250091
郵(you) 箱:cdsailang@163.com
地 址: 成都(dou)市(shi)金(jin)牛區韋(wei)家碾一(yi)路(lu)118號B座(zuo)15樓(lou)
成都賽朗科技有限公司 手機:18982270512(戚先(xian)生 ) 座機:028-83244992
1、 接收咨詢
實驗室環境評估分析。
2、方案溝通
了解用戶實驗環境條件,實驗功能,通風系統要求,現場勘察測量房屋結構,配套水電氣風安全環保條件的可行性。
3、免費設計
討論設計方案→平面配置草圖→工程預算→編列工程費用→討論&定案
實驗(yan)室(shi)通風(feng)系統組成:
補風(feng)(feng):空調補風(feng)(feng),自然補風(feng)(feng)(新風(feng)(feng)系統),有動力補風(feng)(feng),無動力補風(feng)(feng)
排(pai)風(feng)(feng): 房間排(pai)風(feng)(feng),又稱為***通(tong)風(feng)(feng)。是(shi)指在房間內(nei)整體的(de)進行通(tong)風(feng)(feng)換氣的(de)一(yi)種方(fang)式, 設備排(pai)風(feng)(feng),又稱為局(ju) 部通(tong)風(feng)(feng)。是(shi)指通(tong)風(feng)(feng)的(de)范圍控制在有(you)害(hai)物質形成比較(jiao)集(ji)中的(de)地方(fang), 或是(shi)工(gong)作人員經常活動(dong)的(de)局(ju)部地區的(de)通(tong)風(feng)(feng)方(fang)式,例如通(tong)風(feng)(feng)柜、萬向(xiang)排(pai)煙(yan)罩、原子(zi)吸收罩等。 通(tong)風(feng)(feng)管路系統組成:風(feng)(feng)機,風(feng)(feng)管,風(feng)(feng)閥,消聲器,廢氣處理設備。
實驗室通風風管常用材質:
PVC塑料材(cai)質(zhi)、PP材(cai)質(zhi)、玻璃鋼(gang)材(cai)質(zhi)
實驗(yan)室通風系(xi)統設計參數:
對(dui)于客戶(hu)要求對(dui)實(shi)驗室(shi)(shi)進(jin)行通(tong)風設計(ji)的(de),通(tong)風換(huan)氣量可(ke)根據(ju)房(fang)間的(de)換(huan)氣次(ci)(ci)數(shu)來(lai)確定,實(shi)驗室(shi)(shi)的(de)換(huan)氣次(ci)(ci)數(shu)取每(mei)小時10-12次(ci)(ci),特殊情況可(ke)以相應增大。
[房(fang)(fang)間(jian)通(tong)風(feng)(feng)(feng)(feng)(feng)一般(ban)選(xuan)擇500×500的(de)鐵皮(pi)罩作為通(tong)風(feng)(feng)(feng)(feng)(feng)末端(duan)設備,每個通(tong)風(feng)(feng)(feng)(feng)(feng)罩通(tong)風(feng)(feng)(feng)(feng)(feng)量(liang)可達到600m3/h,房(fang)(fang)間(jian)的(de)長×寬(kuan)×高×10(換氣次數(shu)(shu))=房(fang)(fang)間(jian)每小時的(de)通(tong)風(feng)(feng)(feng)(feng)(feng)量(liang),然后房(fang)(fang)間(jian)每小時的(de)通(tong)風(feng)(feng)(feng)(feng)(feng)量(liang)除以600來確定通(tong)風(feng)(feng)(feng)(feng)(feng)罩的(de)數(shu)(shu)量(liang),支、干管風(feng)(feng)(feng)(feng)(feng)速(su)按照6m/s計(ji)算]
通風柜支管(guan)風速為6-10m/s(計(ji)算時(shi)(shi)一般選(xuan)(xuan)擇(ze)(ze)10m/s),特殊情況可超過(guo)10m/s,但(dan)不宜(yi)超過(guo)12m/s;干管(guan)風速為10-14m/s(計(ji)算時(shi)(shi)一般選(xuan)(xuan)擇(ze)(ze) 10m/s,如果管(guan)道比較長選(xuan)(xuan)擇(ze)(ze)12m/s,如果風量大選(xuan)(xuan)擇(ze)(ze)14m/s)。
通風(feng)(feng)柜面(mian)風(feng)(feng)速一(yi)般(ban)控(kong)制在0.375-0.75m/s之間(jian),驗(yan)收標準一(yi)般(ban)取0.5m/s,***面(mian)風(feng)(feng)速為(wei)0.508m/s。(測(ce)(ce)量(liang)(liang)面(mian)風(feng)(feng)速時(shi),一(yi)般(ban)將拉(la)門(men)拉(la)至5cm高度測(ce)(ce)量(liang)(liang),風(feng)(feng)速達到0.3-0.5 m/s即算合格,如果拉(la)門(men)高度過大時(shi),測(ce)(ce)量(liang)(liang)拉(la)門(men)下方5cm高度處(chu)風(feng)(feng)速,也可合格)。
通風柜的危(wei)險等級 平均面(mian)風速(m/s) ***面(mian)風速(m/s)
備注 高 0.622-0.75m/s 0.5m/s
中 0.5m/s 0.4 m/s
低 0.375-0.4m/s 0.25m/s
室(shi)外噪(zao)(zao)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)應控制在70dB(A),實驗室(shi)內(nei)噪(zao)(zao)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)應控制在55dB(A),(室(shi)內(nei)噪(zao)(zao)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)GB60分(fen)貝超標,阿桂實測(ce)噪(zao)(zao)音為(wei)75分(fen)貝,室(shi)外噪(zao)(zao)音大約(yue)為(wei)75分(fen)貝)。風(feng)(feng)(feng)(feng)機(ji)的噪(zao)(zao)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)可以分(fen)為(wei)本身的機(ji)械(xie)噪(zao)(zao)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(此噪(zao)(zao)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)主(zhu)要(yao)由風(feng)(feng)(feng)(feng)扇質量不同(tong)引起)和風(feng)(feng)(feng)(feng)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(為(wei)主(zhu)要(yao)噪(zao)(zao)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng))。在風(feng)(feng)(feng)(feng)機(ji)功率不大的情況下,可通過在風(feng)(feng)(feng)(feng)機(ji)上方加防雨罩來(lai)消(xiao)除風(feng)(feng)(feng)(feng)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng),在使用大功率風(feng)(feng)(feng)(feng)機(ji)時一般在風(feng)(feng)(feng)(feng)機(ji)進(jin)出(chu)口加消(xiao)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)器來(lai)消(xiao)除風(feng)(feng)(feng)(feng)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng),機(ji)械(xie)噪(zao)(zao)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)主(zhu)要(yao)靠建隔音墻、小黑屋或在風(feng)(feng)(feng)(feng)機(ji)進(jin)出(chu)口加軟接頭(tou)來(lai)解決(jue)。
減振(zhen)的(de)主要方法為風機(ji)底(di)座做(zuo)成減振(zhen)底(di)座并安裝(zhuang)減振(zhen)器或加裝(zhuang)減振(zhen)墊。
通風(feng)(feng)量(liang)(Q)=表面(mian)風(feng)(feng)速(vs)×排(pai)毒柜開口面(mian)積。電(dian)子調風(feng)(feng)閥的作用是通過(guo)調節(jie)每臺(tai)通風(feng)(feng)柜的風(feng)(feng)管(guan)半(ban)徑(jing)來調節(jie)每臺(tai)通風(feng)(feng)柜的通風(feng)(feng)量(liang),來達(da)到當通風(feng)(feng)柜開口面(mian)積變化(hua)時保持表面(mian)風(feng)(feng)速不變。
排風(feng)(feng)(feng)(feng)(feng)(feng)量(Q)=表面(mian)風(feng)(feng)(feng)(feng)(feng)(feng)速(su)(vs)×排毒柜開口面(mian)積。變(bian)(bian)(bian)頻(pin)(pin)系(xi)(xi)(xi)統(tong)的(de)作(zuo)用是改變(bian)(bian)(bian)風(feng)(feng)(feng)(feng)(feng)(feng)機(ji)(ji)的(de)轉速(su)來改變(bian)(bian)(bian)風(feng)(feng)(feng)(feng)(feng)(feng)機(ji)(ji)的(de)通(tong)風(feng)(feng)(feng)(feng)(feng)(feng)量,當一套通(tong)風(feng)(feng)(feng)(feng)(feng)(feng)系(xi)(xi)(xi)統(tong)中(zhong)只(zhi)有少量幾臺(tai)通(tong)風(feng)(feng)(feng)(feng)(feng)(feng)柜工(gong)作(zuo)時,變(bian)(bian)(bian)頻(pin)(pin)系(xi)(xi)(xi)統(tong)自(zi)動調(diao)節風(feng)(feng)(feng)(feng)(feng)(feng)機(ji)(ji)的(de)轉速(su),從而改變(bian)(bian)(bian)風(feng)(feng)(feng)(feng)(feng)(feng)機(ji)(ji)的(de)通(tong)風(feng)(feng)(feng)(feng)(feng)(feng)量,從而保證(zheng)通(tong)風(feng)(feng)(feng)(feng)(feng)(feng)柜的(de)面(mian)風(feng)(feng)(feng)(feng)(feng)(feng)速(su)恒定。變(bian)(bian)(bian)頻(pin)(pin)系(xi)(xi)(xi)統(tong)和(he)調(diao)風(feng)(feng)(feng)(feng)(feng)(feng)閥的(de)作(zuo)用類似,但如(ru)果只(zhi)使用調(diao)風(feng)(feng)(feng)(feng)(feng)(feng)閥,則當一套通(tong)風(feng)(feng)(feng)(feng)(feng)(feng)系(xi)(xi)(xi)統(tong)中(zhong)只(zhi)有少量幾臺(tai)通(tong)風(feng)(feng)(feng)(feng)(feng)(feng)柜工(gong)作(zuo)時,風(feng)(feng)(feng)(feng)(feng)(feng)機(ji)(ji)仍然以***轉速(su)工(gong)作(zuo),而使用變(bian)(bian)(bian)頻(pin)(pin)系(xi)(xi)(xi)統(tong)后,調(diao)整風(feng)(feng)(feng)(feng)(feng)(feng)機(ji)(ji)轉速(su)可節省能源(yuan)。
相關推薦