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<span style="font-family:SimSun;font-size:18px;">鮑爾環(huán)填料塔的特點(diǎn)</span>
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<span style="font-family:SimSun;font-size:18px;">空氣預(yù)冷系統(tǒng)一般由空氣冷卻塔,水冷卻塔,冷水機(jī)及水泵組成,它設(shè)置在 空壓機(jī)與分子篩吸附器之間,用以降低進(jìn)分子篩吸附器的空氣溫度及含水量。九十年代以前,空冷塔和水冷塔常采用穿流塔板、降液管式大孔經(jīng)塔板,在實(shí)際運(yùn)行中
暴露了以下諸多問(wèn)題,如空冷塔帶水、水冷塔噴水、塔板阻力大、冷凍機(jī)制冷量大和預(yù)冷效果差等問(wèn)題。從九十年始,國(guó)內(nèi)外的空分設(shè)備制造廠均普遍采用聚丙 稀鮑爾環(huán)填料塔,有的在空冷塔的底部則采用少量</span><span style="font-family:SimSun;font-size:18px;">(</span><span style="font-family:SimSun;font-size:18px;">約</span><span style="font-family:SimSun;font-size:18px;">2m</span><span style="font-family:SimSun;font-size:18px;">左右</span><span style="font-family:SimSun;font-size:18px;">)</span><span style="font-family:SimSun;font-size:18px;">的不銹鋼鮑爾環(huán)填料,鮑爾環(huán)的規(guī)格一般選用公稱直徑為</span><span style="font-family:SimSun;font-size:18px;">DN50</span><span style="font-family:SimSun;font-size:18px;">、</span><span style="font-family:SimSun;font-size:18px;">DN70</span><span style="font-family:SimSun;font-size:18px;">和</span><span style="font-family:SimSun;font-size:18px;">DN90</span><span style="font-family:SimSun;font-size:18px;">三種。</span>
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<span style="font-family:SimSun;font-size:18px;">空冷塔和水冷塔以鮑爾環(huán)作為填料,采用自由堆放方式。在進(jìn)行傳質(zhì)和傳熱時(shí),液體自塔頂均勻下流,沿填料呈膜狀流動(dòng),氣體則由塔底升通過(guò)填料</span><span style="font-family:SimSun;font-size:18px;">(</span><span style="font-family:SimSun;font-size:18px;">填料的比表面積達(dá)</span><span style="font-family:SimSun;font-size:18px;">80~110m2/m3)</span><span style="font-family:SimSun;font-size:18px;">時(shí)與液膜接觸,進(jìn)行熱質(zhì)交換。七十年代前后制造的空分設(shè)備,其空冷塔和水冷塔也采用過(guò)陶瓷拉西環(huán)填料,由于對(duì)拉西環(huán)作了重大改進(jìn),雖然環(huán)外徑也舟曲鮑爾環(huán)填料生產(chǎn)廠家是等于高度,但在環(huán)壁開出兩排帶有內(nèi)舌片的窗孔。每層窗孔有</span><span style="font-family:SimSun;font-size:18px;">5</span><span style="font-family:SimSun;font-size:18px;">個(gè),這種結(jié)構(gòu)改善了氣液分布,充分利用了環(huán)的內(nèi)表面,與拉西環(huán)相比,鮑爾環(huán)的處理量可大</span><span style="font-family:SimSun;font-size:18px;">50%</span><span style="font-family:SimSun;font-size:18px;">以,而壓降低一半。</span>
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<span style="font-family:SimSun;font-size:18px;">實(shí)踐證明,空氣預(yù)冷系統(tǒng)采用鮑爾環(huán)填料塔后與篩板塔相比,具有以下幾個(gè)顯著特點(diǎn):</span>
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<span style="font-family:SimSun;font-size:18px;">(1)</span><span style="font-family:SimSun;font-size:18px;">傳質(zhì)傳熱能力強(qiáng)。冷塔的空氣溫度與段進(jìn)塔冷水的溫差可少于</span><span style="font-family:SimSun;font-size:18px;">1℃</span><span style="font-family:SimSun;font-size:18px;">,水冷塔的出水溫度與進(jìn)塔的鎢氮溫度之間可產(chǎn)生</span><span style="font-family:SimSun;font-size:18px;">4~5℃</span><span style="font-family:SimSun;font-size:18px;">的負(fù)溫差</span><span style="font-family:SimSun;font-size:18px;">;</span>
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<span style="font-family:SimSun;font-size:18px;">(2)</span><span style="font-family:SimSun;font-size:18px;">由于堆積空隙率達(dá)到</span><span style="font-family:SimSun;font-size:18px;">94~95%</span><span style="font-family:SimSun;font-size:18px;">,因此不易堵賽,不易選成造沫夾帶,有利于變工況操作,空氣量加大后,不易帶水</span><span style="font-family:SimSun;font-size:18px;">;</span>
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<span style="font-family:SimSun;font-size:18px;">(3)</span><span style="font-family:SimSun;font-size:18px;">壓降小,每米填料的阻力大約在</span><span style="font-family:SimSun;font-size:18px;">10mm</span><span style="font-family:SimSun;font-size:18px;">水柱左右</span><span style="font-family:SimSun;font-size:18px;">;</span>
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<span style="font-family:SimSun;font-size:18px;">(4)</span><span style="font-family:SimSun;font-size:18px;">空冷塔的用水量可下降</span><span style="font-family:SimSun;font-size:18px;">30%;</span>
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<span style="font-family:SimSun;font-size:18px;">(5)</span><span style="font-family:SimSun;font-size:18px;">可降低冷水機(jī)的制冷量。冬季可不開機(jī),夏季制冷量可降低</span><span style="font-family:SimSun;font-size:18px;">80%</span><span style="font-family:SimSun;font-size:18px;">,為實(shí)現(xiàn)無(wú)冷水機(jī)的空氣預(yù)冷系統(tǒng)成為可能</span><span style="font-family:SimSun;font-size:18px;">;</span>
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<span style="font-family:SimSun;font-size:18px;">(6)</span><span style="font-family:SimSun;font-size:18px;">安裝方便,制造成本低</span><span style="font-family:SimSun;font-size:18px;">;</span>
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<span style="font-family:SimSun;font-size:18px;">(7)</span><span style="font-family:SimSun;font-size:18px;">相當(dāng)?shù)偷拿芏?lt;/span><span style="font-family:SimSun;font-size:18px;">(0.9kg/m3)</span><span style="font-family:SimSun;font-size:18px;">導(dǎo)致最終產(chǎn)品重量輕。</span>
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<span style="font-family:SimSun;font-size:18px;">聚丙稀為可燃性物質(zhì),其使用溫度在</span><span style="font-family:SimSun;font-size:18px;">10~120℃</span><span style="font-family:SimSun;font-size:18px;">之間,蒂</span><span style="font-family:SimSun;font-size:18px;">②0℃</span><span style="font-family:SimSun;font-size:18px;">以下發(fā)生脆化。其結(jié)構(gòu)具有更大的化學(xué)穩(wěn)定性,能耐大部分、鹽和許多有機(jī)溶液,但不能耐高濃度強(qiáng)。</span>
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<span style="font-family:SimSun;font-size:18px;">聚丙稀又分普通性</span><span style="font-family:SimSun;font-size:18px;">(</span><span style="font-family:SimSun;font-size:18px;">使用溫度</span><span style="font-family:SimSun;font-size:18px;">+80℃</span><span style="font-family:SimSun;font-size:18px;">和增強(qiáng)性</span><span style="font-family:SimSun;font-size:18px;">(</span><span style="font-family:SimSun;font-size:18px;">使用溫度</span><span style="font-family:SimSun;font-size:18px;">+120>℃)</span><span style="font-family:SimSun;font-size:18px;">二種。水冷塔可選用普通型聚丙稀鮑爾環(huán)填料</span><span style="font-family:SimSun;font-size:18px;">;</span><span style="font-family:SimSun;font-size:18px;">空冷塔在啟動(dòng)時(shí),空壓機(jī)如不設(shè)置未端冷卻器,啟動(dòng)時(shí)的空氣溫度約為</span><span style="font-family:SimSun;font-size:18px;">90℃</span><span style="font-family:SimSun;font-size:18px;">,因此選擇增強(qiáng)型鮑爾環(huán)填料或者大部分選擇普通型聚丙稀鮑爾環(huán)填料,在填料底層約</span><span style="font-family:SimSun;font-size:18px;">2m</span><span style="font-family:SimSun;font-size:18px;">高應(yīng)選擇不銹鋼鮑爾環(huán)填料,以防聚丙稀鮑爾環(huán)填料熱變形抗壓強(qiáng)度的降低。</span>
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<br />、<img src=http://img.jdzj.com/UserDocument/2015c/yuhewater/Picture/2016227114141.jpg title="鮑爾環(huán)價(jià)格" alt="鮑爾環(huán)價(jià)格" />、<p class="MsoNormal" style="text-align:left;background:white;" align="left">
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╬╬<span style="font-family:SimSun;font-size:18px;">鮑爾╬環(huán)填料╬塔的特點(diǎn)</span>
╬</p>
鮑爾環(huán)填料銷售╬<p>
╬╬<span style="font-family:SimSun;font-size:18px;">空氣預(yù)冷系統(tǒng)一般╬由空氣冷卻塔,水冷卻塔╬,冷水╬機(jī)及╬水泵組成,它設(shè)置在╬ 空壓機(jī)╬與分╬子篩吸附器之間,用以降低進(jìn)╬分子篩吸附器的空氣溫度╬及含水量。九十年代以╬前,空冷塔和水╬冷塔常采用穿流塔板╬、降液╬管╬式大╬孔經(jīng)塔╬板,在實(shí)際運(yùn)行中
╬暴露了以下諸多問(wèn)題,如空冷╬塔帶水╬、水冷塔噴水、塔板阻╬鮑爾環(huán)填料力大、╬舟曲鮑爾環(huán)填料多少錢一方冷凍機(jī)制冷量大和╬預(yù)冷效果差等問(wèn)題。從╬九十年╬始,國(guó)╬內(nèi)外的空分設(shè)備╬制造廠均普遍采用聚╬丙 稀鮑爾環(huán)填料塔╬,有的在空冷塔的底╬部則采用╬少量</span><span style="font-family:SimSun;font-size:18px;">(</span><span style="font-family:SimSun;font-size:18px;">約</span><span style="font-family:SimSun;font-size:18px;">2m╬</span><span style="font-family:SimSun;font-size:18px;">左╬右</span><span style="font-family:SimSun;font-size:18px;">)</span><span style="font-family:SimSun;font-size:18px;">的不╬銹鋼鮑爾環(huán)填料╬,╬鮑爾環(huán)的規(guī)格一般選用╬公稱直徑為</span><span style="font-family:SimSun;font-size:18px;">DN50</span><╬span style="font-family:SimSun;font-size:18px;">、</span><span style="font-family:SimSun;font-size:18px;">DN70</span><span style="font-family:SimSun;font-size:18px;">和<╬/span><span style="font-family:SimSun;font-size:18px;">DN90</span><span style="font-family:SimSun;font-size:18px;">三種。</span>
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╬╬╬<span style="font-family:SimSun;font-size:18px;">空冷塔和╬水冷塔以鮑爾環(huán)作為填料╬,采用自由╬堆放方式。在進(jìn)行傳質(zhì)╬和傳熱時(shí),液╬體自塔頂均╬╬勻下流╬,╬沿填料呈膜狀流動(dòng),氣體則由╬塔底升通過(guò)填料</span><span style="font-family:SimSun;font-size:18px;">(╬</span><╬span style="font-family:SimSun;font-size:18px;">填料的╬比表面積達(dá)<╬/span><span style="font-family:SimSun;font-size:18px;">80╬~1╬10m2/m3)</span><span style="font-family:SimSun;font-size:18px;">時(shí)與液膜接觸,進(jìn)行熱╬質(zhì)交換。七十╬年代前后制造的空╬分設(shè)備,其空冷塔和水冷塔也采╬用過(guò)陶瓷拉西環(huán)填料╬,由╬╬于對(duì)拉西環(huán)作了重大改進(jìn),雖然╬環(huán)外徑也是等于高度╬,但╬在環(huán)壁開出兩排╬帶有內(nèi)舌片的窗孔。╬每層窗孔有</span><╬span style="font-family:SimSun;font-size:18px;">5</span><span style="font-family:SimSun;font-size:18px;">個(gè),這種結(jié)構(gòu)改善╬了氣液分布,充分利╬用了環(huán)的內(nèi)表面,與拉西環(huán)相比╬,鮑爾環(huán)的╬╬處理量╬可大</span><span style="font-family:SimSun;font-size:18px;">50%</span><span style="font-family:SimSun;font-size:18px;">以╬,而╬壓降低一半。</span>
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<span style="font-family:SimSun;font-size:18px;">實(shí)踐證明╬,空氣預(yù)冷系統(tǒng)╬采用鮑╬爾環(huán)╬填料塔后與篩板塔相比,具╬有以下╬幾╬個(gè)顯╬著特點(diǎn)╬:</span>
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╬<p>
<span style="font-family:SimSun;font-size:18px;">(╬1╬)</span><span style="font-family:SimSun;font-size:18px;">傳質(zhì)傳╬熱能力強(qiáng)。╬╬冷塔的空氣溫╬度與段進(jìn)╬塔冷水的溫差可少于</span><span style="font-family:SimSun;font-size:18px;">1╬℃</span><╬span style="font-family:SimSun;font-size:18px;">,水冷塔的出╬水╬溫度與進(jìn)塔的鎢氮溫度之間可產(chǎn)╬生</span><span style="font-family:SimSun;font-size:18px;">4~5℃</span><span style="font-family:SimSun;font-size:18px;">的負(fù)溫差╬</span><span style="font-family:SimSun;font-size:18px;">;</span>
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╬<span style="font-family:SimSun;font-size:18px;">(2)</span><span style="font-family:SimSun;font-size:18px;">由╬于╬╬堆積╬空╬隙率達(dá)到<╬/span><span style="font-family:SimSun;font-size:18px;">94~95%</span><span style="font-family:SimSun;font-size:18px;">,因此不易堵賽,不易選成╬造╬沫夾帶,有利于╬變工況操╬作,空╬氣量╬加大后,不易帶水</span><span style="font-family:SimSun;font-size:18px;">;</span>
╬</p>
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<╬span style="font-family:SimSun;font-size:18px;">(3)</span><span style="font-family:SimSun;font-size:18px;">壓╬降小,每米填料的阻力大約在<╬/span><╬span style="font-family:SimSun;font-size:18px;">10╬mm</span><span style="font-family:SimSun;font-size:18px;">水柱左右</span><span style="font-family:SimSun;font-size:18px;">;</span>
╬</p>
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╬<span style="font-family:SimSun;font-size:18px;">(4)╬<╬/span><span style="font-family:SimSun;font-size:18px;">空冷塔的用╬水量可下降</span><span style="font-family:SimSun;font-size:18px;">3╬0%;</span>
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<span style="font-family:SimSun;font-size:18px;">(5)</span><span style="font-family:SimSun;font-size:18px;">可降低冷水機(jī)的制冷╬量。冬季可不開機(jī),夏季制冷╬量可降低</span><span style="font-family:SimSun;font-size:18px;">80╬%</span><span style="font-family:SimSun;font-size:18px;">,為╬實(shí)現(xiàn)無(wú)冷水機(jī)的空╬╬氣預(yù)╬冷系統(tǒng)成╬為可能</span><span style="font-family:SimSun;font-size:18px;">;╬</span>
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<╬p>
╬<span style="font-family:SimSun;font-size:18px;">(6)</span><span style="font-family:SimSun;font-size:18px;">安╬裝方便,制造成本低</span><span style="font-family:SimSun;font-size:18px;">;</span>
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╬<p>
╬<span style="font-family:SimSun;font-size:18px;">(╬7)</span><span style="font-family:SimSun;font-size:18px;">相當(dāng)╬╬低的密度</span><span style="font-family:SimSun;font-size:18px;">(0.9kg╬/m3)</span><span style="font-family:SimSun;font-size:18px;">導(dǎo)╬致最終產(chǎn)品重量輕。</span>
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╬<p>
<╬span style="font-family:SimSun;font-size:18px;">聚丙稀為可╬燃性物質(zhì),其使用溫度在</span><span style="font-family:SimSun;font-size:18px;">10~120╬℃</span><span style="font-family:SimSun;font-size:18px;">之間,╬蒂</span><span style="font-family:SimSun;font-size:18px;">②0℃╬</span><span style="font-family:SimSun;font-size:18px;">以下發(fā)╬生脆化。╬其結(jié)構(gòu)具有更大的化學(xué)穩(wěn)定性,╬能耐大部分、鹽和許多有╬機(jī)溶液,但不能耐高濃度╬強(qiáng)。</span>
╬</p>
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<span style="font-family:SimSun;font-size:18px;">聚╬丙稀又分普通性╬</span><span style="font-family:SimSun;font-size:18px;">(</span><span style="font-family:SimSun;font-size:18px;">使╬用溫度</span><span style="font-family:SimSun;font-size:18px;">+80℃</span><span style="font-family:SimSun;font-size:18px;">和增╬強(qiáng)性</span><span style="font-family:SimSun;font-size:18px;">(╬</span><span style="font-family:SimSun;font-size:18px;">使╬用溫度</span><span style="font-family:SimSun;font-size:18px;">+120>℃╬)╬</span><span style="font-family:SimSun;font-size:18px;">二種。水冷╬塔╬可選用普通型聚丙稀鮑╬爾環(huán)填料</span><span style="font-family:SimSun;font-size:18px;">;</span><span style="font-family:SimSun;font-size:18px;">空冷塔在╬啟動(dòng)時(shí),空壓機(jī)如不設(shè)置未端冷╬卻╬器,啟╬╬動(dòng)時(shí)╬的空氣溫度約╬為</span><span style="font-family:SimSun;font-size:18px;">90╬╬℃</span><span style="font-family:SimSun;font-size:18px;">,因此選擇增╬強(qiáng)型鮑爾環(huán)填料或者大部分╬選擇普通型聚丙稀鮑爾環(huán)填料,╬在填料╬底層約</span><span style="font-family:SimSun;font-size:18px;">2m</span><span style="font-family:SimSun;font-size:18px;">高╬應(yīng)選擇不銹鋼鮑爾環(huán)填料,╬以防聚丙稀鮑爾環(huán)填料熱變形╬抗壓強(qiáng)度的降低。</span>
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╬<br />、舟曲鮑爾環(huán)填料舟曲鮑爾環(huán)填料價(jià)格、舟曲鮑爾環(huán)填料廠家<br />、<FONT face=宋體>鮑爾鮑爾環(huán)填料銷售環(huán):1. 氣速[網(wǎng)址列表]鮑爾環(huán)填料生產(chǎn)廠家高、葉片多、阻力小。2. 比表面積大,可以充分解決氣液交換。3. 該產(chǎn)品具有生產(chǎn)能力大、阻力小、操作彈性大等特點(diǎn)。4適用于二碳脫[網(wǎng)址列表]鮑爾環(huán)填料[網(wǎng)址列表]鮑爾環(huán)填料氣塔、臭氧接觸反應(yīng)塔等作為接觸填料及其它反應(yīng)塔。5訂貨請(qǐng)明確所需鮑爾環(huán)的規(guī)格型號(hào),數(shù)量。</FONT><br />、舟曲鮑爾環(huán)填料價(jià)格、<FONT face=宋體>不銹鋼鮑爾環(huán)填料是采用金屬薄板沖制而成,在環(huán)壁開出了兩排帶有內(nèi)伸舌葉的窗孔。每排窗孔有五個(gè)舌葉,每個(gè)舌葉彎向環(huán)內(nèi),指向環(huán)心,在中心處幾乎相塔,下兩層窗孔的位置相互錯(cuò)開,一般開孔的總面積約為整個(gè)環(huán)壁面積的35%左右,使得塔內(nèi)的氣體和液體能夠從窗口通過(guò),目前鮑爾環(huán)填料仍是被采用的主要環(huán)形填料之一。</FONT><br />、<FONT face=宋體>鮑爾環(huán)填料材質(zhì)有聚丙烯、不銹鋼與陶瓷三種。產(chǎn)品特點(diǎn):具有散熱性能高,阻力小,布水、布?xì)庑阅芎?,易長(zhǎng)膜,又有切割氣泡作用。適用范圍:適用于二碳脫氣塔、臭氧接觸反應(yīng)塔等作為接觸填料及其它反應(yīng)塔。產(chǎn)品規(guī)格:?jiǎn)卧睆溅?50mm,間距有80mm、100mm兩種規(guī)格。中心繩有塑料繩及纖維繩兩種。</FONT><br />、舟曲鮑爾環(huán)填料廠家、<FONT face=宋體>因此同種材質(zhì)、同樣規(guī)格的鮑爾環(huán)填料較之拉西環(huán)填料相比不但具有較大的通過(guò)能力和較低的壓降,而且使塔的分離效率有所提高、操作彈性也有所增大。一般在同樣的壓降下,鮑爾環(huán)填料的處理能力較拉西環(huán)增加50%以在同樣的處理量下,鮑爾環(huán)填料的壓降僅為拉西環(huán)的一半。各種介質(zhì)中的使用溫度為60-250攝氏度,塑料鮑爾環(huán)廣泛用于石油、化工、氯堿、煤氣、環(huán)保等行業(yè)的填料塔中。</FONT><br />