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id="t5555zx" class="info_article"> <h1 class="info_article_title">線(xiàn)繞濾芯的結構特點(diǎn)及過(guò)濾原理分析</h1> <div id="55txbbf" class="info_article_date">發(fā)布時(shí)間：06-05 11:23 瀏覽量：21</div> <div id="vvnpr5v" class="info_article_content"> <p id="newTitle" style="margin: 10px auto; padding: 0px; text-align: center; color: rgb(51, 51, 51); line-height: 30px; font-size: 16px; font-weight: bold;"></p><div class="5djb55f" id="newsContent" style="margin: 0px auto; padding: 0px; width: 895px; color: rgb(57, 57, 57); line-height: 35px; font-size: 15px;"><p style="margin: 0px; padding: 0px;"> </p><p style="margin: 0px; padding: 0px;"><span style="margin: 0px; padding: 0px; font-family: 宋體; font-size: 14px;"><span style="margin: 0px; padding: 0px; font-family: 宋體;">一、濾芯類(lèi)型</span> </span></p><p style="margin: 0px; padding: 0px;"><span style="margin: 0px; padding: 0px; font-family: 宋體; font-size: 14px;"> <span style="margin: 0px; padding: 0px; font-family: 宋體;">液體過(guò)濾用濾芯的種類(lèi)繁多，基本上可以分為表面過(guò)濾型濾芯與深層過(guò)濾型濾芯兩種。</span></span></p><p style="margin: 0px; padding: 0px;"><span style="margin: 0px; padding: 0px; font-family: 宋體; font-size: 14px;"> </span></p><p style="margin: 0px; padding: 0px;"><span style="margin: 0px; padding: 0px; font-family: 宋體; font-size: 14px;">1<span style="margin: 0px; padding: 0px; font-family: 宋體;">、表面過(guò)濾型濾芯 </span></span></p><p style="margin: 0px; padding: 0px;"><span style="margin: 0px; padding: 0px; font-family: 宋體; font-size: 14px;"> <span style="margin: 0px; padding: 0px; font-family: 宋體;">表面過(guò)濾型濾芯是在濾芯的表面進(jìn)行污染物捕捉，一旦濾芯表面被污染物堵塞就不能繼續使用，所以表面過(guò)濾型濾芯的使用壽命短。雖然表面過(guò)濾型濾芯往往被認為能用液體和壓縮空氣混合在一起進(jìn)行反沖洗后重新使用，但這種方法并不能將濾芯沖洗干凈。因為反沖洗時(shí)，沖洗液總是先從濾芯阻力小的地方通過(guò)，當濾芯上某局部被沖洗液沖凈暢通后，濾芯上這一局部通道就成為濾芯阻力最小的通道，接著(zhù)全部沖洗液就會(huì )從這些通道流過(guò)，其他部分反而會(huì )堵得更密實(shí)，孔隙變得更小。若要將濾芯完全沖洗干凈，最好的辦法是采用超聲波清洗，采用純凈水作為清洗液，但超聲波清洗費用較高；也可以采用化學(xué)溶解法，例如污染物屬于酸溶性時(shí)，用稀酸清洗，但這種方法可能引起濾芯孔徑的腐蝕與擴大，所以采用此方法清洗后的濾芯，需用純凈水沖洗干凈，并經(jīng)過(guò)檢驗合格后方可繼續使用。電鍍液過(guò)濾用濾芯中，較早期的燒結型聚氯乙烯過(guò)濾棒，目前使用的聚丙烯熔噴濾芯、聚丙烯</span> PP<span style="margin: 0px; padding: 0px; font-family: 宋體;">濾紙、純木漿濾紙等，都是表面過(guò)濾型濾芯。</span></span></p><p style="margin: 0px; padding: 0px;"><span style="margin: 0px; padding: 0px; font-family: 宋體; font-size: 14px;"> </span></p><p style="margin: 0px; padding: 0px;"><span style="margin: 0px; padding: 0px; font-family: 宋體; font-size: 14px;">2<span style="margin: 0px; padding: 0px; font-family: 宋體;">、深層過(guò)濾芯 </span></span></p><p style="margin: 0px; padding: 0px;"><span style="margin: 0px; padding: 0px; font-family: 宋體; font-size: 14px;"> <span style="margin: 0px; padding: 0px; font-family: 宋體;">濾芯的清洗非常麻煩，而提高濾芯納污量，延長(cháng)使用時(shí)間可減少清洗濾芯的頻率，深層過(guò)濾型濾芯就能做到這一點(diǎn)。深層過(guò)濾型濾芯使用過(guò)程中，污染物在濾芯內部按顆粒大小分層截住，所以濾芯的濾渣負荷能力高，使用壽命長(cháng)，能較長(cháng)久地維持濾芯的標稱(chēng)過(guò)濾精度。用來(lái)制作濾芯結構的材料很多，所以這種濾芯幾乎可以適用于各種性質(zhì)的液體和氣體的過(guò)濾。電鍍液過(guò)濾使用的主要是全聚丙烯制成的線(xiàn)繞濾芯常被稱(chēng)為棉芯。其優(yōu)點(diǎn)為：較小的壓差即可獲得較大的流量、過(guò)濾精度高、使用壽命長(cháng)、在過(guò)濾過(guò)程中能較長(cháng)久地保持濾芯精度等。</span></span></p><p style="margin: 0px; padding: 0px;"><span style="margin: 0px; padding: 0px; font-family: 宋體; font-size: 14px;"> </span></p><p style="margin: 0px; padding: 0px;"><span style="margin: 0px; padding: 0px; font-family: 宋體; font-size: 14px;"><span style="margin: 0px; padding: 0px; font-family: 宋體;">二、線(xiàn)繞濾芯結構特點(diǎn)</span></span></p><p style="margin: 0px; padding: 0px;"><span style="margin: 0px; padding: 0px; font-family: 宋體; font-size: 14px;"> <span style="margin: 0px; padding: 0px; font-family: 宋體;">制作線(xiàn)繞濾芯時(shí)，將帶絨毛的特制粗紗交叉卷繞在多孔骨架上，逐層卷繞到所需要的規定直徑。粗紗在骨架上不斷交叉卷繞，形成含有上千個(gè)菱形孔的過(guò)濾層。濾芯上靠近骨架處過(guò)濾層上的菱形孔小，越往外，菱形孔越大，最外層的菱形孔最大，菱形孔內外貫通就形成通道。為了增加液體在濾芯內的流程，菱形孔通道呈彎曲散射狀，但各層菱形孔依然相通，彎曲使菱形孔通道延長(cháng)，相當于增加了濾芯過(guò)濾層的厚度，提高了過(guò)濾效果，這就是濾芯深層過(guò)濾之所在，紗線(xiàn)以一定的參數纏繞，</span> <span style="margin: 0px; padding: 0px; font-family: 宋體;">濾芯內部形成由表到里、由大變小的菱形彎曲過(guò)濾通道</span>)<span style="margin: 0px; padding: 0px; font-family: 宋體;">。濾芯最內層菱形孔的大小是決定濾芯精度的關(guān)鍵，菱形孔越小，制成的濾芯精度越高；菱形孔越大，制成的濾芯精度越低。正規的濾芯生產(chǎn)企業(yè)都有特定的濾芯精度與菱形孔數量對照表，不同的通道數代表不同的濾芯精度。通常情況下，</span><span style="margin: 0px; padding: 0px; font-family: Calibri;">8 </span><span style="margin: 0px; padding: 0px; font-family: 宋體;">通道精度為 </span><span style="margin: 0px; padding: 0px; font-family: Calibri;">100</span><span style="margin: 0px; padding: 0px; font-family: 宋體;">μ</span><span style="margin: 0px; padding: 0px; font-family: Calibri;">m</span><span style="margin: 0px; padding: 0px; font-family: 宋體;">，</span><span style="margin: 0px; padding: 0px; font-family: Calibri;">15 </span><span style="margin: 0px; padding: 0px; font-family: 宋體;">通道精度為</span><span style="margin: 0px; padding: 0px; font-family: Calibri;">20</span><span style="margin: 0px; padding: 0px; font-family: 宋體;">μ</span><span style="margin: 0px; padding: 0px; font-family: Calibri;">m</span><span style="margin: 0px; padding: 0px; font-family: 宋體;">，</span><span style="margin: 0px; padding: 0px; font-family: Calibri;">19 </span><span style="margin: 0px; padding: 0px; font-family: 宋體;">通道精度為</span><span style="margin: 0px; padding: 0px; font-family: Calibri;">10</span><span style="margin: 0px; padding: 0px; font-family: 宋體;">μ</span><span style="margin: 0px; padding: 0px; font-family: Calibri;">m</span><span style="margin: 0px; padding: 0px; font-family: 宋體;">。</span></span></p><p style="margin: 0px; padding: 0px; text-align: center;"><img title="" style="margin: 0px; padding: 0px; border: 0px currentColor; border-image: none;" alt="image" src="http://www.baozhishun.com/storage/13139/article/20230605/1685935322993078.png"/></p><p style="margin: 0px; padding: 0px;"><span style="margin: 0px; padding: 0px; letter-spacing: 0px; font-size: 16px;"><span style="margin: 0px; padding: 0px; font-family: sans-serif;">三、線(xiàn)繞濾芯過(guò)濾特點(diǎn)</span> </span></p><p style="margin: 0px; padding: 0px;"><span style="margin: 0px; padding: 0px; letter-spacing: 0px; font-size: 16px;"> <span style="margin: 0px; padding: 0px; font-family: sans-serif;">線(xiàn)繞濾芯的另一個(gè)特性就是能通過(guò)較大的流量。每一種過(guò)濾精度的線(xiàn)繞濾芯都有固定的通道數目</span> D，過(guò)濾精度確定后，通道數 L 根據濾芯長(cháng)度不同相應增減。</span></p><p style="margin: 0px; padding: 0px;"><span style="margin: 0px; padding: 0px; letter-spacing: 0px; font-size: 16px;"> <span style="margin: 0px; padding: 0px; font-family: sans-serif;">通道總數的公式為：通道總數</span> = D×L×2。</span></p><p style="margin: 0px; padding: 0px;"><span style="margin: 0px; padding: 0px; letter-spacing: 0px; font-size: 16px;"> <span style="margin: 0px; padding: 0px; font-family: sans-serif;">以長(cháng)為</span>250 mm的濾芯為例，其過(guò)濾精度為20 μm，其直徑上的通道數目為15 個(gè)，而沿濾芯長(cháng)度縱向的通道數目為 51 個(gè)，則該濾芯共有通道數為15×51×2 = 1530，即該濾芯上共有1530 個(gè)獨立通道。假如過(guò)濾流速為0.5m3/h（以清水為例），即8.3 L/min，液體被分散流入1530個(gè)獨立通道進(jìn)行過(guò)濾，每個(gè)通道內的流量實(shí)際上已下降為 5.4 mL/min。</span></p><p style="margin: 0px; padding: 0px;"><span style="margin: 0px; padding: 0px; letter-spacing: 0px; font-size: 16px;"> <span style="margin: 0px; padding: 0px; font-family: sans-serif;">若過(guò)濾精度為</span> 3 μm，其通道數目為 27 個(gè)，通道數目為 91 個(gè)，則該濾芯上共有通道數為 27 × 91 × 2 = 4 914（個(gè)）。因此對于 3 μm 精度的濾芯而言，雖然過(guò)濾介質(zhì)（即纖維絨毛）變得更密實(shí)了，但過(guò)濾通道增至4914 個(gè)，通道內的流量?jì)H為 1.7 mL/min，此時(shí)的流量可以稱(chēng)為“虹吸流量”。</span></p><p style="margin: 0px; padding: 0px;"><span style="margin: 0px; padding: 0px; letter-spacing: 0px; font-size: 16px;"> <span style="margin: 0px; padding: 0px; font-family: sans-serif;">由此可見(jiàn)，線(xiàn)繞濾芯過(guò)濾時(shí)能以大流量通過(guò)濾芯，卻以分散流量的結構方式，使濾芯在較小壓差下仍能保持其卓越的過(guò)濾性能，這種結構形式的濾芯還有利于濾除液體中的膠狀或凝膠性物質(zhì)。線(xiàn)繞濾芯能以較大的濾孔過(guò)濾掉比孔徑細小得多的顆粒，因此常被稱(chēng)作精密過(guò)濾元件。</span></span></p><p style="margin: 0px; padding: 0px;"><span style="margin: 0px; padding: 0px; letter-spacing: 0px; font-size: 16px;"> </span></p><p style="margin: 0px; padding: 0px;"><span style="margin: 0px; padding: 0px; letter-spacing: 0px; font-size: 16px;"><span style="margin: 0px; padding: 0px; font-family: sans-serif;">四、線(xiàn)繞濾芯的選用</span> </span></p><p style="margin: 0px; padding: 0px;"><span style="margin: 0px; padding: 0px; letter-spacing: 0px; font-size: 16px;"> <span style="margin: 0px; padding: 0px; font-family: sans-serif;">由于競爭激烈，大多數濾芯廠(chǎng)家爭相壓縮成本，其主要方法和不良影響有：</span> </span></p><p style="margin: 0px; padding: 0px;"><span style="margin: 0px; padding: 0px; letter-spacing: 0px; font-size: 16px;"> 1、簡(jiǎn)化繞線(xiàn)方式。雖然提高了生產(chǎn)效率，卻造成濾芯過(guò)濾通道大量堵塞，即形成盲孔（簡(jiǎn)化繞線(xiàn)方式會(huì )使表層菱形孔被下層紗線(xiàn)攔截，形成盲孔），使線(xiàn)繞濾芯退化成表面過(guò)濾型濾芯。</span></p><p style="margin: 0px; padding: 0px;"><span style="margin: 0px; padding: 0px; letter-spacing: 0px; font-size: 16px;"> 2、改變內、外徑標準，減少濾芯厚度。雖然這樣可以節省紗線(xiàn)原料，但會(huì )導致過(guò)濾層變薄，過(guò)濾通道縮短，使過(guò)濾效果變差，穩定性降低。</span></p><p style="margin: 0px; padding: 0px;"><span style="margin: 0px; padding: 0px; letter-spacing: 0px; font-size: 16px;"> 3、使用劣等原料。雖然這樣可以降低成本，但會(huì )造成濾芯出現腐蝕。因此，在選擇濾芯供應廠(chǎng)商時(shí)，應考察其是否有完備的濾芯質(zhì)量管理機制，是否有能力確保濾芯質(zhì)量。選用線(xiàn)繞濾芯時(shí)應該注意以下問(wèn)題：</span></p><p style="margin: 0px; padding: 0px;"><span style="margin: 0px; padding: 0px; letter-spacing: 0px; font-size: 16px;"> A、觀(guān)看濾芯濾孔是否貫通，濾孔大量堵塞而成盲孔的濾芯已失去繞線(xiàn)濾芯的效果。</span></p><p style="margin: 0px; padding: 0px;"><span style="margin: 0px; padding: 0px; letter-spacing: 0px; font-size: 16px;"> B、檢查濾芯內、外徑，看過(guò)濾層次是否已被縮減。</span></p><p style="margin: 0px; padding: 0px;"><span style="margin: 0px; padding: 0px; letter-spacing: 0px; font-size: 16px;"> C、使用一段時(shí)間后觀(guān)察濾芯的紗線(xiàn)、骨架是否有腐蝕情況。腐蝕不但會(huì )弱化過(guò)濾效果，而且會(huì )造成電鍍溶液的污染。</span></p><p style="margin: 0px; padding: 0px;"><span style="margin: 0px; padding: 0px; letter-spacing: 0px; font-size: 16px;"> </span></p><p style="margin: 0px; padding: 0px;"><span style="margin: 0px; padding: 0px; letter-spacing: 0px; font-size: 16px;"><span style="margin: 0px; padding: 0px; font-family: sans-serif;">五、線(xiàn)繞濾芯的應用領(lǐng)域</span> </span></p><p style="margin: 0px; padding: 0px;"><span style="margin: 0px; padding: 0px; letter-spacing: 0px; font-size: 16px;"> <span style="margin: 0px; padding: 0px; font-family: sans-serif;">由于線(xiàn)繞濾芯具有流量大、低壓差、以及適用于低粘度介質(zhì)、抗腐蝕性強等特點(diǎn)，所以經(jīng)常被用作大流量純水系統的前置過(guò)濾、電廠(chǎng)鋼廠(chǎng)的水污水、循環(huán)水的處理，食品行業(yè)例如如食用油、蔬菜油的過(guò)濾，糖漿、巧克力等各式漿液的過(guò)濾處理，另外在化學(xué)工業(yè)制劑的處理方面，例如電鍍液藥液的過(guò)濾，油漆、油料、涂料的過(guò)濾，機械用油、切削油、重油、燃油的過(guò)濾，高粘度樹(shù)脂、油脂的過(guò)濾，制藥的過(guò)濾之中也有著(zhù)高效的應用。</span> </span></p><p style="margin: 0px; padding: 0px;"><span style="margin: 0px; padding: 0px; letter-spacing: 0px; font-size: 16px;"> <span style="margin: 0px; padding: 0px; font-family: sans-serif;">由于線(xiàn)繞濾芯的結構是以防止纖維方式纏繞在骨架上的，所以它具有相較于一般過(guò)濾器濾芯更高的過(guò)濾壓力承受能力，同時(shí)不損失壓力，有著(zhù)較長(cháng)的使用壽命，聚丙烯纖維的無(wú)毒無(wú)害，以及熱熔非膠粘的加工工藝，使得這種濾芯非常適用于食品飲料工業(yè)。</span> </span></p><p style="margin: 0px; padding: 0px;"><span style="margin: 0px; padding: 0px; letter-spacing: 0px; font-size: 16px;"> <span style="margin: 0px; padding: 0px; font-family: sans-serif;">礦泉水，糖漿，酒類(lèi)，食用油，飲料用水，可樂(lè )飲料等產(chǎn)品的生產(chǎn)往往需要用到線(xiàn)繞濾芯來(lái)，純水，有機溶劑，印制線(xiàn)路板，電鍍等行業(yè)以及醫藥衛生領(lǐng)域都對線(xiàn)繞濾芯有著(zhù)很高的依賴(lài)性。</span> </span></p><p style="margin: 0px; padding: 0px;"><span style="margin: 0px; padding: 0px; letter-spacing: 0px; font-size: 16px;">線(xiàn)繞濾芯能有效除去液體中懸浮物，微粒等。流量大，壓力損失小。濾渣負荷高，使用壽命長(cháng)?？梢猿惺茌^高的過(guò)濾壓力。根據被過(guò)濾液體的性質(zhì)，濾芯有多種不同的材質(zhì)可供選擇，使濾芯與濾液有良好的相容性。</span></p><p style="margin: 0px; padding: 0px;"><span style="margin: 0px; padding: 0px; letter-spacing: 0px; font-size: 16px;"> </span></p><p style="margin: 0px; padding: 0px;"><span style="margin: 0px; padding: 0px; letter-spacing: 0px; font-size: 16px;"><span style="margin: 0px; padding: 0px; font-family: sans-serif;">六、線(xiàn)繞濾芯的過(guò)濾原理</span> </span></p><p style="margin: 0px; padding: 0px;"><span style="margin: 0px; padding: 0px; letter-spacing: 0px; font-size: 16px;"> <span style="margin: 0px; padding: 0px; font-family: sans-serif;">線(xiàn)繞濾芯過(guò)濾除了靠濾芯粗紗交叉重疊而成的孔徑柵格攔截作用外，還包括通道壁上纖維的掛鉤作用和顆粒在通道內的沉積作用。</span> </span></p><p style="margin: 0px; padding: 0px;"><span style="margin: 0px; padding: 0px; letter-spacing: 0px; font-size: 16px;"> </span></p><p style="margin: 0px; padding: 0px;"><span style="margin: 0px; padding: 0px; letter-spacing: 0px; font-size: 16px;">1、濾芯通道壁上纖維的掛鉤作用 </span></p><p style="margin: 0px; padding: 0px;"><span style="margin: 0px; padding: 0px; letter-spacing: 0px; font-size: 16px;"> <span style="margin: 0px; padding: 0px; font-family: sans-serif;">液體是從濾芯外層流經(jīng)一條窄長(cháng)而彎曲的通道進(jìn)入內層的，在濾芯通道壁上布滿(mǎn)卷曲的纖維絨毛，能將液體中的顆粒鉤住并使其滯留在通道內。</span></span></p><p style="margin: 0px; padding: 0px;"><span style="margin: 0px; padding: 0px; letter-spacing: 0px; font-size: 16px;"> </span></p><p style="margin: 0px; padding: 0px;"><span style="margin: 0px; padding: 0px; letter-spacing: 0px; font-size: 16px;">2、顆粒在濾芯通道內的沉積作用 </span></p><p style="margin: 0px; padding: 0px;"><span style="margin: 0px; padding: 0px; letter-spacing: 0px; font-size: 16px;"> <span style="margin: 0px; padding: 0px; font-family: sans-serif;">濾芯的通道是窄長(cháng)而彎曲的，液體以一定的流速通過(guò)時(shí)會(huì )反復撞擊通道壁，液體中的顆粒就逐漸沉積在通道內，有如河水流經(jīng)河道的彎曲處時(shí)污泥沉積下來(lái)一樣。</span></span></p><p style="margin: 0px; padding: 0px;"><span style="margin: 0px; padding: 0px; letter-spacing: 0px; font-size: 16px;"> </span></p><p style="margin: 0px; padding: 0px;"><span style="margin: 0px; padding: 0px; letter-spacing: 0px; font-size: 16px;">3、過(guò)濾原理</span></p><p style="margin: 0px; padding: 0px;"><span style="margin: 0px; padding: 0px; letter-spacing: 0px; font-size: 16px;"> <span style="margin: 0px; padding: 0px; font-family: sans-serif;">待過(guò)濾液體由濾器進(jìn)口壓入，經(jīng)濾芯自外向里透過(guò)濾層而被過(guò)濾成清澄液體，然后經(jīng)出口排出。雜質(zhì)被截留在濾芯的深層及表面，從而液體被達到過(guò)濾的目的。</span></span></p><p style="margin: 0px; padding: 0px;"><span style="margin: 0px; padding: 0px; letter-spacing: 0px; font-size: 16px;"> <span style="margin: 0px; padding: 0px; font-family: sans-serif;">液體先由進(jìn)口管進(jìn)入過(guò)濾器殼體的下部，然后從外向內流過(guò)濾芯，這時(shí)較粗的顆粒便會(huì )立即沉淀下來(lái)，由排污閥放出，較小的顆粒被濾芯攔截。最后潔凈的液體經(jīng)濾芯托盤(pán)匯集后，由出口管流出。待過(guò)濾液體液流入線(xiàn)繞濾芯，然后分流于濾芯內部，經(jīng)過(guò)過(guò)濾、破乳、水分子長(cháng)大、聚結的過(guò)程，過(guò)濾后液體從出口流出，雜質(zhì)截留在濾芯內，聚結的水珠沉降于沉淀槽中，通過(guò)放污閥排出。</span></span></p><p style="margin: 0px; padding: 0px;"><span style="margin: 0px; padding: 0px; letter-spacing: 0px; font-size: 16px;"> </span></p><p style="margin: 0px; padding: 0px;"><span style="margin: 0px; padding: 0px; letter-spacing: 0px; font-size: 16px;">4、線(xiàn)繞濾芯保養</span></p><p style="margin: 0px; padding: 0px;"><span style="margin: 0px; padding: 0px; letter-spacing: 0px; font-size: 16px;"> A、在使用除塵濾芯（pp濾芯，線(xiàn)繞濾芯）時(shí)要防止顆粒物質(zhì)進(jìn)行濾芯內部，堵塞或者卡住系統內部。 </span></p><p style="margin: 0px; padding: 0px;"><span style="margin: 0px; padding: 0px; letter-spacing: 0px; font-size: 16px;"> B、使用一段時(shí)間之后，要對濾芯進(jìn)行維護和保養。 </span></p><p style="margin: 0px; padding: 0px;"><span style="margin: 0px; padding: 0px; letter-spacing: 0px; font-size: 16px;"> C、還要定期對其進(jìn)行清洗。濾芯經(jīng)過(guò)長(cháng)時(shí)間使用后，系統中會(huì )沉積大量雜質(zhì)或其他污染物，需要進(jìn)行清洗以發(fā)揮出濾芯的最大作用。 </span></p><p style="margin: 0px; padding: 0px;"><span style="margin: 0px; padding: 0px; letter-spacing: 0px; font-size: 16px;"> D、要保證濾紙始終處于濕潤狀態(tài)，不能出現干燥情況，從而延長(cháng)其使用時(shí)間以及保證過(guò)濾精度。 </span></p><p style="margin: 0px; padding: 0px;"><span style="margin: 0px; padding: 0px; letter-spacing: 0px; font-size: 16px;"> E、通過(guò)纖維式過(guò)濾法，粉塵非常容易進(jìn)入除塵濾芯中的儲塵器中，再經(jīng)過(guò)反吹剝落濾筒上的粘性物質(zhì)，不會(huì )影響濾筒過(guò)濾效果，也能更好保護環(huán)境，最大程度上延長(cháng)其使用時(shí)間。</span></p><p style="margin: 0px; padding: 0px;"></p></div><p> </p> </div> <div id="vp5vnpr" class="tag clearfix"><span>標簽：</span></div> <div id="trjdxzd" class="info_article_page"> <a href="http://www.baozhishun.com/a/272.html">上一篇：大流量濾芯的保護辦法和攻略</a> <a href="http://www.baozhishun.com/a/274.html">下一篇：淺談反滲透進(jìn)水的預處理和膜污堵的防治</a> </div> <div id="7hzdhrj" 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