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</span>1302_</p><p><span>網(wǎng)址: </span>http://www.rk-lab.cn</p><p><span>手機(jī): </span>1302-28978763</p><p><span>地址: </span>集士港鎮(zhèn)賣(mài)面橋村</p><p>[當(dāng)前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="prhn7v7" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="n97dxrn" class="box"><p><p style="text-indent:25px">實(shí)驗(yàn)室通風(fēng)柜的位置選擇:常規(guī)通風(fēng)柜高度2350mm，那么安裝通風(fēng)柜的實(shí)驗(yàn)室高低較低不能低于2900mm的凈高，通風(fēng)柜管道一般是250mm直徑或者是200mm直徑，當(dāng)然粗一點(diǎn)的管道排風(fēng)效果還是要好一些，噪音相對(duì)來(lái)說(shuō)要低。安裝通風(fēng)柜開(kāi)排風(fēng)孔時(shí)常規(guī)尺寸是離地面高度2700mm中心點(diǎn)為宜，前后距離為450mm左右。許多人都會(huì)習(xí)慣性地把通風(fēng)柜安置在墻角，離實(shí)驗(yàn)的地方遠(yuǎn)遠(yuǎn)的，省的占著其它實(shí)驗(yàn)家具的地方。其實(shí)，這種想法是錯(cuò)誤的，不管柜占了多大的地方，都應(yīng)該將它放在離試驗(yàn)臺(tái)較近的地方,主要的是通風(fēng)柜盡量安裝在離窗戶近點(diǎn)的地方，這樣管道就容易排到室外去，管道越短排風(fēng)效果越好。通常情況下，應(yīng)該把通風(fēng)柜安置在靠近試驗(yàn)臺(tái)的位置，寧波工廠通風(fēng)柜，因?yàn)槊恳淮斡卸練怏w或粉塵的產(chǎn)生都是從試驗(yàn)臺(tái)上傳出來(lái)的，這里是先受到污染也是污染嚴(yán)重的“重災(zāi)區(qū)”。我們要隨時(shí)有防患于未然的安全意識(shí)，隨時(shí)做好各項(xiàng)預(yù)防措施。大型的通風(fēng)設(shè)備雖然占地較大，寧波工廠通風(fēng)柜，但通風(fēng)效果也很好，寧波工廠通風(fēng)柜。由于實(shí)驗(yàn)鋼制通風(fēng)柜對(duì)實(shí)驗(yàn)室設(shè)計(jì)的重要性，所以在實(shí)驗(yàn)鋼制通風(fēng)柜選擇時(shí)必須小心謹(jǐn)慎。寧波工廠通風(fēng)柜</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="寧波工廠通風(fēng)柜,通風(fēng)柜" src="https://tyunfile.71360.com/UploadFile/rongke/637334524049072265/5997210.png"></div><p style="text-indent:25px">如果通風(fēng)柜放在空調(diào)、凈化或采暖房間內(nèi)時(shí)，為了減少室內(nèi)空氣的排風(fēng)量，可以在柜門(mén)上方設(shè)風(fēng)幕，風(fēng)幕送出的空氣可取自室外或鄰室，風(fēng)量約為排風(fēng)量的70%~75%。這種通風(fēng)柜稱為供氣式通風(fēng)柜。其既可防止室內(nèi)橫向氣流的干擾，又可節(jié)省室內(nèi)的排風(fēng)量，大幅度減少室內(nèi)熱量和冷量的耗損。通風(fēng)柜局部排風(fēng)的應(yīng)用：局部排風(fēng)是直接從污染物源處排除污染物的一種局部通風(fēng)方式。當(dāng)污染物集中于某處發(fā)生時(shí)，局部排風(fēng)是比較有效的治理污染物對(duì)環(huán)境危害的通風(fēng)方式。如果這種場(chǎng)合采用完全通風(fēng)方式，反而使污染物在室內(nèi)擴(kuò)散；當(dāng)污染物發(fā)生量大時(shí)，所需的稀釋通風(fēng)量則過(guò)大，甚至在實(shí)際上難于實(shí)現(xiàn)。污染物定點(diǎn)發(fā)生的情況在工業(yè)廠房中很多，如電鍍槽、散料皮帶傳送的落料點(diǎn)或運(yùn)轉(zhuǎn)點(diǎn)、焊接工作臺(tái)、化學(xué)分析臺(tái)、噴漆、砂輪機(jī)等。民用建筑中也有一些定點(diǎn)產(chǎn)生污染物的情況，如廚房中的爐灶、餐廳中的火鍋、學(xué)校中的化學(xué)試驗(yàn)臺(tái)等。由此可見(jiàn)，局部排風(fēng)的應(yīng)用很普遍。寧波工廠通風(fēng)柜在對(duì)不一樣型號(hào)規(guī)格及材料的通風(fēng)柜安裝過(guò)程中，安裝公司技術(shù)水平是不是更強(qiáng)，將立即危害到實(shí)際應(yīng)用效果。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="寧波工廠通風(fēng)柜,通風(fēng)柜" src="https://tyunfile.71360.com/UploadFile/rongke/637334523599394531/975806.png"></div><p style="text-indent:25px">通風(fēng)柜分為上部排風(fēng)式、下部排風(fēng)式和上下同時(shí)排風(fēng)式三類。為保證工作區(qū)風(fēng)速均勻，對(duì)于冷過(guò)程的通風(fēng)柜應(yīng)采用下部排風(fēng)式，對(duì)于熱過(guò)程的通風(fēng)柜采用上部排風(fēng)式，對(duì)于發(fā)熱量不穩(wěn)定的過(guò)程，可在上下均設(shè)排風(fēng)口隨柜內(nèi)發(fā)熱量的變化調(diào)節(jié)上下排風(fēng)量的比例，從而得到均勻的風(fēng)速。全排風(fēng)式通風(fēng)柜：通過(guò)室內(nèi)進(jìn)風(fēng)在柜內(nèi)循環(huán)后排出室外稱為全排風(fēng)式，這是應(yīng)用非常普遍的一種類型。補(bǔ)風(fēng)式通風(fēng)柜：當(dāng)通風(fēng)柜設(shè)置于采暖或?qū)貪穸扔锌刂埔蠓块g時(shí)，為節(jié)省采暖，空調(diào)能耗，采用從室外取補(bǔ)給風(fēng)在柜內(nèi)循環(huán)后排出室外的方式稱為補(bǔ)風(fēng)式通風(fēng)柜。</p><p style="text-indent:25px">通風(fēng)柜設(shè)計(jì)中還有一個(gè)額外的安全系數(shù)，即使沒(méi)有標(biāo)準(zhǔn)建議低于60 fpm的操作。當(dāng)操作具有較低面風(fēng)速實(shí)驗(yàn)室通風(fēng)柜時(shí)，可以真正增加節(jié)能--一些高性能通風(fēng)柜甚至可以在很短的時(shí)間內(nèi)節(jié)省能源而回本。請(qǐng)制造商幫助你關(guān)注前期設(shè)備安裝節(jié)省，每年節(jié)省和具體安裝的投資回報(bào)。由于許多變量會(huì)影響通風(fēng)柜的性能，因此請(qǐng)根據(jù)安全管理人員指定的面風(fēng)速或適用的當(dāng)?shù)匾?guī)范確定通風(fēng)柜的大小。使用制造商發(fā)布的性能確定通風(fēng)柜的可接受操作范圍，并要求測(cè)試報(bào)告?zhèn)浞菰撔阅軘?shù)據(jù)。避免無(wú)組織氣流對(duì)通風(fēng)柜排風(fēng)流場(chǎng)形成干擾。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="寧波工廠通風(fēng)柜,通風(fēng)柜" src="https://tyunfile.71360.com/UploadFile/rongke/637334523626376953/2740739.png"></div><p style="text-indent:25px">如果實(shí)驗(yàn)室是平衡的并且遵循操作恒定容積通風(fēng)柜的一般準(zhǔn)則，如果通風(fēng)柜的運(yùn)行速度低于100fpm，則可以節(jié)省大量的能源。實(shí)驗(yàn)室可能缺乏空氣，如果缺乏空氣，通風(fēng)柜將無(wú)法正常排氣。在添加通風(fēng)柜或選擇面風(fēng)速設(shè)定點(diǎn)之前，要確保為實(shí)驗(yàn)室提供足夠的供氣。這并不是說(shuō)所有實(shí)驗(yàn)室都能以低至60英尺/分鐘的速度操作通風(fēng)柜，以減輕其機(jī)械系統(tǒng)的壓力。應(yīng)分析并仔細(xì)規(guī)定通風(fēng)柜的面風(fēng)速，因?yàn)樵谳^低的面風(fēng)速下操作有許多好處，并且較高的面風(fēng)速會(huì)導(dǎo)致風(fēng)險(xiǎn)和不必要的成本。大型室式通風(fēng)柜，一側(cè)面完全敞開(kāi)，操作人員在柜內(nèi)工作，主要用于大件噴漆、粉料裝袋等。寧波工廠通風(fēng)柜</p><p style="text-indent:25px">大多數(shù)通風(fēng)柜在100 fpm的面風(fēng)速下操作，拉門(mén)完全打開(kāi)。寧波工廠通風(fēng)柜</p><p style="text-indent:25px">定制通風(fēng)柜選擇適合的廠家：生產(chǎn)通風(fēng)柜的廠家比較多，每個(gè)人在選擇的時(shí)候必須要積極的去了解不同廠家的一些具體情況，只有當(dāng)我們大家都能夠更好的去了解這些廠家，然后再關(guān)注各個(gè)廠家的一些實(shí)際情況之后，這樣所做出的選擇來(lái)說(shuō)都會(huì)很好，所以不管是誰(shuí)我們都應(yīng)該在各個(gè)不同的廠家之間，做出了更適合的選擇。既然選擇定制的方法，就必須要認(rèn)真的做好各個(gè)方面的設(shè)計(jì)，只有當(dāng)大家能夠真正的把設(shè)計(jì)方面的事情做得非常的到位，滿足自身實(shí)際需求的功能，然后再進(jìn)行使用，這樣才可以真正的起到了更好的作用，所以人們?cè)趹?yīng)用的過(guò)程中一定要及時(shí)的考量各個(gè)方面的情況，把具體的設(shè)計(jì)的工作，都要做的更加的到位。寧波工廠通風(fēng)柜</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/2726647.html</p></div></div></div></div></div><div id="blr7nzb" class="page-right twoColRt"><div id="rd7d5xr" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="htxdxjv" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/1/14/637082168864691056_lgpj_5374157.jpg" alt="福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)" class="vcenter" 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