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class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="938nuga" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/saifutelaobao/637356917296162110/8159038.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="u8p3o78" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價(jià)格要求：</span>面議</p><p><span>所在地：</span>廣東省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>貴州學(xué)生防毒面具,防毒面具</p><p><span>***更新：</span>2020-09-29 05:13:17</p><p><span id="click" >瀏覽次數(shù)：0次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="8y5lsel" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">中山市賽夫特勞保用品有限公司</a></p><p><span>聯(lián)系人：</span>陳小姐</p><p><span>郵箱: </span>ke.galabao@163.com</p><p><span>電話: </span>18124983196</p><p><span>傳真: </span>0760_86513681</p><p><span>網(wǎng)址: </span>http://saifutelaobao.shop.88360.com</p><p><span>手機(jī): </span>0760-86513681</p><p><span>地址: </span>中山市南區(qū)西環(huán)四路7號(hào)1-3樓、4樓之二(住所申報(bào)）;增設(shè)3處經(jīng)營(yíng)場(chǎng)所,具體為:1、中山市南區(qū)西環(huán)四路四號(hào)一、二樓;2、中山市南區(qū)西環(huán)四路10號(hào)三樓;3、中山市南區(qū)西環(huán)四路10號(hào)首層之二 </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="tb3bdf3" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="8hgs3nh" class="box"><p><p style="text-indent:25px">防毒面具過(guò)濾層的防毒性能。氣溶膠和蒸氣是2種不同的物態(tài)，其物理和運(yùn)動(dòng)特性也不盡相同，所以，過(guò)濾層過(guò)濾氣溶膠和吸附劑層吸著毒劑蒸氣，具有完全不同的特點(diǎn)，貴州學(xué)生防毒面具。吸附劑層吸著毒劑時(shí)，一開(kāi)始在吸附劑層的尾氣流中沒(méi)有毒劑分子透過(guò)，一段時(shí)間以后，尾氣中開(kāi)始有毒劑分子出現(xiàn)，毒劑濃度由小變大，逐漸增加，貴州學(xué)生防毒面具，貴州學(xué)生防毒面具，較終達(dá)到防護(hù)的閾值而穿透面具過(guò)濾罐。而氣溶膠通過(guò)過(guò)濾層時(shí)，一開(kāi)始就有煙霧透過(guò)，發(fā)生瞬時(shí)穿透，并且在通常情況下穿透濃度基本不變，不隨時(shí)間的延長(zhǎng)而增大。在使用防毒面具時(shí)，應(yīng)根據(jù)生產(chǎn)環(huán)境中不同種類和性質(zhì)的有毒蒸氣、氣體、有害氣溶膠選擇合適的濾毒罐GB2890-1995中規(guī)定了8種類型的濾毒罐，其中帶過(guò)濾層的在罐上加注字母“L”。防毒面具分為隔絕式和過(guò)濾式兩大類。貴州學(xué)生防毒面具</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="貴州學(xué)生防毒面具,防毒面具" src="https://tyunfile.71360.com/UploadFile/saifutelaobao/637356917296162110/8159038.png"></div><p style="text-indent:25px">防毒面具過(guò)濾層如何過(guò)濾氣溶膠目前常用玻璃纖維過(guò)濾層，它由許多層縱橫交錯(cuò)的纖維網(wǎng)格組成，氣溶膠微粒通過(guò)時(shí)，總會(huì)接觸到纖維上而被阻留。發(fā)生這種接觸的效應(yīng)有截留效應(yīng)、慣性效應(yīng)、擴(kuò)散效應(yīng)和靜電效應(yīng)等四種，其中起主要作用的是**種效應(yīng)。截留效應(yīng)當(dāng)空氣流通過(guò)垂直于氣流方向的纖維時(shí)，氣流被分散和壓縮試圖繞過(guò)纖維，在通過(guò)后再重新匯合。如果空氣流中的粒子中心在小于粒子半徑的距離通過(guò)纖維表面，會(huì)和纖維表面碰撞被捕獲。粒子尺寸增大，截留捕獲的可能性也增大。沉降效應(yīng)只有大于2微米的粒子可以通過(guò)沉降捕獲，它取決于重力對(duì)氣流中粒子的吸引力，因此通過(guò)濾煙層的流速必須很低。慣性效應(yīng)當(dāng)具有足夠慣性的粒子不能充分改變方向而避開(kāi)纖維，就會(huì)碰撞到纖維表面上被捕獲。擴(kuò)散效應(yīng)較小粒子的運(yùn)動(dòng)受到和它相碰撞的空氣分子的影響，然后在空氣流做無(wú)規(guī)則的運(yùn)動(dòng)，通過(guò)時(shí)和纖維發(fā)生碰撞被捕獲。取決于粒子的尺寸和空氣溫度。靜電效應(yīng)在靜電效應(yīng)中，目標(biāo)粒子具有自然的電荷，使過(guò)濾纖維帶有相反的電荷。因此粒子被吸引到纖維上。靜電效應(yīng)有助于其它捕獲效應(yīng)，特別是截留和擴(kuò)散效應(yīng)。封閉式防毒面具標(biāo)準(zhǔn)防毒面具（gas mask）是個(gè)人勞動(dòng)保護(hù)用品。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="貴州學(xué)生防毒面具,防毒面具" src="https://tyunfile.71360.com/UploadFile/saifutelaobao/637356917225214844/6155398.png"></div><p style="text-indent:25px">防毒面具的密閉性能是才是防毒面具較關(guān)鍵的指標(biāo)，那么，我們?cè)撊绾胃纳圃黾臃蓝久婢呙荛]性呢？防毒面具設(shè)計(jì)：在設(shè)計(jì)階段中，應(yīng)該注重防毒面具本體的外觀與人體臉型的匹配度。一般針對(duì)半面具防毒面具，可以考量臉部的長(zhǎng)度、下顎的寬度以及鼻梁高度等方面，根據(jù)臉部的尺寸來(lái)設(shè)計(jì)不同大小規(guī)格的防毒面具，比如小號(hào)、中號(hào)及大號(hào)。而各個(gè)方面具防毒面具，主要考量整個(gè)面部的長(zhǎng)寬比例以及眼睛鼻子嘴三者的距離來(lái)設(shè)計(jì)。防毒面具設(shè)計(jì)環(huán)節(jié)還包括面具的成型要求，目前效果比較好的，當(dāng)選是一次性注塑成型的防毒面具。</p><p style="text-indent:25px">一般防毒面具大致可分為自吸過(guò)濾式防毒面具和隔絕式防毒面具兩種，兩種防毒面具較大的差別在于，前者（自吸過(guò)濾式防毒面具）是利用人體自身的呼吸壓力，將外界有毒物質(zhì)經(jīng)過(guò)防毒面具濾毒盒過(guò)濾后呼吸到干凈的氧氣，但是前提條件必須是作業(yè)環(huán)境中氧含量充足，且防毒面具佩戴的濾毒盒能夠有效的防護(hù)環(huán)境中的有毒物質(zhì)；而后者（隔絕式防毒面具），防護(hù)性能就遠(yuǎn)大于前者，它一般由自備氣源，利用供氣源的壓力直接供給使用者呼吸，所以使用并不受外界氧含量是否充足、有毒物質(zhì)成分這兩個(gè)因素的影響。那么針對(duì)類似密閉空間，較好是使用隔絕式防毒面具作業(yè)，這樣提升了安全系數(shù)。防毒面具中的過(guò)濾式防毒面具，是防毒面具較為常見(jiàn)的一種。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="貴州學(xué)生防毒面具,防毒面具" src="https://tyunfile.71360.com/UploadFile/saifutelaobao/637356917280869141/5658783.png"></div><p style="text-indent:25px">防毒面具是保護(hù)人員呼吸***、眼睛及面部免受毒劑、生物戰(zhàn)劑、細(xì)菌武器和放射性灰塵等有毒、有害物質(zhì)傷害的個(gè)人防護(hù)器材。濾毒罐作為防毒面具的中心部件，其內(nèi)部裝填的濾毒材料直接影響面具的防護(hù)性能。自一次世界大戰(zhàn)中防毒面具產(chǎn)生后，世界各國(guó)陸續(xù)開(kāi)展了防毒面具的研制工作，各種各樣的防毒面具相繼問(wèn)世。隨著科學(xué)技術(shù)的快速發(fā)展，防毒面具在防毒能力和舒適性等方面都有了質(zhì)的飛躍，防毒面具的應(yīng)用領(lǐng)域也從較初的***防護(hù)擴(kuò)展到工業(yè)防護(hù)、勞動(dòng)保護(hù)和應(yīng)急救援等領(lǐng)域。防毒面具作為個(gè)人防護(hù)器材，用于對(duì)人員的呼吸***，眼睛及面部皮膚提供有效防護(hù)。防細(xì)菌防毒面具供應(yīng)廠家</p><p style="text-indent:25px">防毒面具采用柔軟無(wú)毒的硅膠材料制成。貴州學(xué)生防毒面具</p><p style="text-indent:25px">防毒面具連接后的氣密性檢查。在檢查完各部件以后，對(duì)整體防毒面具氣密性的檢查很重要。簡(jiǎn)易檢查方法是：打開(kāi)橡膠底塞吸氣，此時(shí)如沒(méi)有空氣進(jìn)入，則證明連接正確，如有漏氣，則應(yīng)檢查各部位連接正確與否。應(yīng)根據(jù)勞動(dòng)強(qiáng)度和作業(yè)環(huán)境空氣中有害物濃度選用不同類型的防毒面具。如低濃度的作業(yè)環(huán)境可選用小型濾毒罐的防毒面具。應(yīng)嚴(yán)格遵守濾毒罐的有效時(shí)間。在使用過(guò)程必須記錄濾毒罐使用過(guò)的時(shí)間、毒物性質(zhì)、濃度等。若記錄卡片上累計(jì)使用時(shí)間達(dá)到濾毒罐規(guī)定的時(shí)間，應(yīng)立即停止使用。在使用過(guò)程中嚴(yán)禁隨意擰開(kāi)濾毒罐(盒)的蓋子，并防止水或其它液體進(jìn)入罐(盒)中。該產(chǎn)品不得在65。C以上環(huán)境中使用及高溫環(huán)境中存放。濾毒罐吸濕后會(huì)降低防毒能力，平時(shí)應(yīng)擰緊罐蓋，扣好底塞，以防進(jìn)水。防毒呼吸面具的眼窗鏡片，應(yīng)防劃痕磨擦，保持視物清晰。防毒呼吸用品應(yīng)專人使用和保管，使用后應(yīng)清洗，消毒。在清洗和消毒時(shí)，應(yīng)注意溫度，不可使橡膠等部件因受溫度影響而發(fā)生質(zhì)變受損。貴州學(xué)生防毒面具</p><p style="text-indent:25px">中山市賽夫特勞保用品有限公司位于中山市南區(qū)西環(huán)四路7號(hào)1-3樓、4樓之二(住所申報(bào)）;增設(shè)3處經(jīng)營(yíng)場(chǎng)所,具體為:1、中山市南區(qū)西環(huán)四路四號(hào)一、二樓;2、中山市南區(qū)西環(huán)四路10號(hào)三樓;3、中山市南區(qū)西環(huán)四路10號(hào)首層之二。公司業(yè)務(wù)涵蓋口罩，防塵面罩，防毒口罩，防毒面具等，價(jià)格合理，品質(zhì)有保證。公司將不斷增強(qiáng)企業(yè)重點(diǎn)競(jìng)爭(zhēng)力，努力學(xué)習(xí)行業(yè)知識(shí)，遵守行業(yè)規(guī)范，植根于安全、防護(hù)行業(yè)的發(fā)展。賽夫特憑借創(chuàng)新的產(chǎn)品、專業(yè)的服務(wù)、眾多的成功案例積累起來(lái)的聲譽(yù)和口碑，讓企業(yè)發(fā)展再上新高。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/1465042.html</p></div></div></div></div></div><div id="rubdk2f" class="page-right twoColRt"><div id="foahoa8" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="3hw8udr" 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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