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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 id="azofmjv" 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="cwyvnk7" 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>安全防毒面具價(jià)格,防毒面具</p><p><span>***更新：</span>2020-11-30 07:20:32</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="3bme229" 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="3847xb7" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="i8ourif" class="box"><p><p style="text-indent:25px">防毒面具過(guò)濾式由面罩和濾毒罐（或過(guò)濾元件）組成。面罩包括罩體、眼窗、通話器、呼吸活門和頭帶（或頭盔）等部件。濾毒罐用以凈化有毒氣體，內(nèi)裝濾毒層和吸附劑，也可將這 2 種材料混合制成過(guò)濾板，裝配成過(guò)濾元件。較輕的（200克左右）濾毒罐或過(guò)濾元件可直接連在面罩上，較重的濾毒罐通過(guò)導(dǎo)氣管與面罩連接。隔絕式由面具本身提供氧氣，分貯氣式、貯氧式和化學(xué)生氧式 3 種，安全防毒面具價(jià)格。隔絕式面具主要在高濃度染毒空氣（體積濃度大于 1 %時(shí)）中，或在缺氧的高空、水下或密閉艙室等特殊場(chǎng)合下使用。除上述2 種防毒面具以外，許多國(guó)家還裝備有各類防毒面具。它是在過(guò)濾式防毒面具的基礎(chǔ)上更換濾毒罐內(nèi)的吸著劑或改進(jìn)局部結(jié)構(gòu)而成。現(xiàn)代防毒面具能有效地防御戰(zhàn)場(chǎng)上可能出現(xiàn)的毒劑、生物戰(zhàn)劑和放射性灰塵。它的重量有的已減至0，安全防毒面具價(jià)格.6千克左右，可持續(xù)佩戴8小時(shí)以上，安全防毒面具價(jià)格，佩戴防毒面具后還可較方便地使用光學(xué)、通信器材和武器裝備。防毒面具，依照其防護(hù)原理來(lái)區(qū)別，可分為過(guò)濾式防毒面具和阻隔式防毒面具。安全防毒面具價(jià)格</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="安全防毒面具價(jià)格,防毒面具" src="https://tyunfile.71360.com/UploadFile/saifutelaobao/637356917296162110/8159038.png"></div><p style="text-indent:25px">防毒面具主要依靠濾毒罐防毒，其中的裝填物由吸附劑層和過(guò)濾層構(gòu)成，其中吸附劑層濾除有毒氣體和蒸汽，過(guò)濾層則過(guò)濾有害氣溶膠。因?yàn)閷?duì)蒸汽狀毒劑的吸著和對(duì)有害氣溶膠的過(guò)濾過(guò)程不同，防毒原理也不同。吸附劑層的防毒原理吸附劑層中，用的是載有催化劑的活性炭，即浸漬活性炭，這種經(jīng)過(guò)活化處理的無(wú)定形炭是多孔吸附劑，主要成分是碳，含量約為80%～98%，另有少量灰分?；钚蕴康目紫兑话惴譃槲⒖住⑦^(guò)渡孔、大孔3類，有時(shí)過(guò)渡孔也稱為中孔。微孔較小，有效半徑0.5～1納米，上限為1.5納米，所占的全部容積約為0.15～0.5厘米3/克。由于這類孔小而數(shù)量多，所形成的比表面積約占活性炭比表面積總數(shù)的90%以上，活性炭對(duì)毒劑蒸氣的吸附主要靠它。因此微孔的多少和分布在很大程度上決定某種特定活性炭的吸附能力。在吸附過(guò)程中，這三種孔隙互相連通，微孔在內(nèi)，過(guò)渡孔和大孔在吸附過(guò)程中起通道作用。過(guò)渡孔和大孔表面載有銅、銀、鉻或鉬、鋅等金屬氧化物，它們的加入數(shù)量對(duì)防毒性能影響較大。安全防毒面具價(jià)格防毒面具大多采用內(nèi)外兩層無(wú)紡布，中間一層過(guò)濾布(熔噴布)構(gòu)造而成。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="安全防毒面具價(jià)格,防毒面具" src="https://tyunfile.71360.com/UploadFile/saifutelaobao/637356917321708985/5238077.png"></div><p style="text-indent:25px">佩戴時(shí)應(yīng)注意不要讓頭帶和頭發(fā)壓在面罩密合框內(nèi)，也不能讓面罩的頭帶彎向面罩內(nèi)。另外，使用者在佩戴面具之前應(yīng)當(dāng)將自己的胡須剃刮干凈。濾毒罐內(nèi)的裝填物是由吸附劑層和過(guò)濾層兩部分構(gòu)成。其中，吸附劑層是過(guò)濾有毒蒸氣的，過(guò)濾層是過(guò)濾有害氣溶膠的。濾毒罐根據(jù)裝填方式的不同，分為軸流式（層裝式）和徑流式（套裝式）2種。軸流式濾毒罐內(nèi)的吸附劑層是以床層方式裝填的，截面不變，氣體沿濾毒罐軸向流動(dòng)。徑流式濾毒罐內(nèi)的吸附劑層是套裝的，截面是變化的，氣體沿濾毒罐直徑方向流動(dòng)。濾毒罐的分類根據(jù)濾毒罐與面罩的連接方式不同，濾毒罐可分為直接式和導(dǎo)氣管式2類。直接式濾毒罐直接與面罩相連，一般放置在面罩的嘴部正下方根據(jù)濾毒罐與面罩的連接方式不同，濾毒罐可分為直接式和導(dǎo)氣管式2類。</p><p style="text-indent:25px">面具罩體是將防毒面具各部件構(gòu)成一整體的主要部件。乍看，它無(wú)非就是一塊橡皮，沒什么大的學(xué)問(wèn)。然而，它要適合多種頭型的人佩戴，既要密合，不讓有毒物乘隙而入，又不至給人造成面部壓疼，這的確不是一件易事。*就其與面部貼合的部位，即**們所稱的密合框而言，面具設(shè)計(jì)師們便絞盡了腦汁。密合框由一片橡皮制成，稱單片密合框。它能與面部吻合，結(jié)構(gòu)及制造工藝均十分簡(jiǎn)單，但戴后常使人面部的突出部位感到難以承受的壓痛，動(dòng)態(tài)氣密性也較差。以后，出現(xiàn)了單反折邊密合框結(jié)構(gòu)。它是在平面密合框的基礎(chǔ)上再加一圈反折邊，依靠橡膠的彈性拉力在人面部形成密合力。呼氣時(shí)面具內(nèi)壓力大于外界壓力，是一種正壓氣密性好的密合框結(jié)構(gòu)。單反折邊密合框無(wú)疑比單片密合框先進(jìn)了一大步，然而，在滿足戰(zhàn)術(shù)使用要求上依然還存在較大差距。工業(yè)防毒面具目的是防止或減少空氣中粉塵進(jìn)入人體呼吸器從而保護(hù)生命安全的個(gè)體保護(hù)用品。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="安全防毒面具價(jià)格,防毒面具" src="https://tyunfile.71360.com/UploadFile/saifutelaobao/637356917289716797/3665729.png"></div><p style="text-indent:25px">防毒面具的阻塵效率。防毒面具的阻塵效率的高低是以其對(duì)微細(xì)粉塵，尤其對(duì)5微米以下的呼吸性粉塵的阻隔效率為標(biāo)準(zhǔn)。因?yàn)檫@一粒徑的粉塵能直接入肺泡，對(duì)人體健康造成的影響較大。一般的紗布防毒面具，其阻塵原理是機(jī)械式過(guò)濾，就是當(dāng)粉塵沖撞到紗布時(shí)，經(jīng)過(guò)—層層的阻隔,將一些大顆粒粉塵阻隔在沙布中。但是，對(duì)一些微細(xì)粉塵，尤其是小于5微米的粉塵，就會(huì)從紗布的網(wǎng)眼中穿過(guò)去，進(jìn)入呼吸系統(tǒng)。現(xiàn)國(guó)外有一些防毒面具，其濾料由充上長(zhǎng)久靜電的纖維組成，那些小于 5微米的呼吸性粉塵在穿過(guò)此種濾料的過(guò)程中，被靜電吸引而吸附在濾料捕獲到微細(xì)粉塵，真正起到阻塵作用。防毒面具里面只能放一張濾棉。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。云南防毒面具生產(chǎn)廠商</p><p style="text-indent:25px">防毒面具普遍應(yīng)用于石油、化工、礦山、冶金、***、消防、搶險(xiǎn)救災(zāi)、衛(wèi)生防疫和科技環(huán)保、機(jī)械制造等領(lǐng)域。安全防毒面具價(jià)格</p><p style="text-indent:25px">防毒面具應(yīng)用越來(lái)越普遍，而防毒面具的設(shè)計(jì)研發(fā)就非常重要，特別是防毒面具的密合性。為什么這樣說(shuō)呢？使用到防毒面具的場(chǎng)合必定是含有毒物質(zhì)的，如果被人直接吸到肺部，后果不堪設(shè)想。防毒面具雖然能夠有效過(guò)濾有毒物質(zhì)，但防毒面具本體與人體面部的密閉性好壞，將直接決定防護(hù)性能。根據(jù)物理學(xué)中氣流力體學(xué)原***流優(yōu)先流向阻力較小的方向，如果防毒面具與人體面部產(chǎn)生微小的縫隙，因?yàn)槊婢邇?nèi)部壓力原因，吸進(jìn)人體的氣體并非是經(jīng)過(guò)濾毒盒過(guò)濾后的氣體，而是穿過(guò)縫隙的外界有毒氣體，所以說(shuō)防毒面具的沒有實(shí)際的防護(hù)效果。另外當(dāng)防毒面具本體與臉型不相吻合，也會(huì)造成佩戴者的不舒適感，影響用戶的體驗(yàn)。安全防毒面具價(jià)格</p><p style="text-indent:25px">中山市賽夫特勞保用品有限公司主要經(jīng)營(yíng)范圍是安全、防護(hù)，擁有一支專業(yè)技術(shù)團(tuán)隊(duì)和良好的市場(chǎng)口碑。公司自成立以來(lái)，以質(zhì)量為發(fā)展，讓匠心彌散在每個(gè)細(xì)節(jié)，公司旗下口罩，防塵面罩，防毒口罩，防毒面具深受客戶的喜愛。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://m.cdcfah.com/cp/2206293.html</p></div></div></div></div></div><div id="2j8nfmj" 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