3,反吹壓差為3500KPa時(shí),絲徑為22μm的樣品3表現(xiàn)出最好的清灰效果,樣品增重達(dá)12.31g,形成濾餅后的效率高達(dá)98.5%,30次人工老化共耗時(shí)盡3h,壽命最長(zhǎng)。"/>

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金屬纖維氈的反吹清灰過(guò)程研究
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西北有色金屬研究院金屬多孔材料國(guó)家重點(diǎn)實(shí)驗(yàn)室,總后建筑工程研究所,西北有色金屬研究院金屬多孔材料國(guó)家重點(diǎn)實(shí)驗(yàn)室,西北有色金屬研究院金屬多孔材料國(guó)家重點(diǎn)實(shí)驗(yàn)室,西北有色金屬研究院金屬多孔材料國(guó)家重點(diǎn)實(shí)驗(yàn)室

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國(guó)家自然科學(xué)基金項(xiàng)目（面上項(xiàng)目，重點(diǎn)項(xiàng)目，重大項(xiàng)目）


Study of pulse cleaning process in metalSfiber filters
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The Scientific Research Program of the Educational Committee of Shanxi Province, China (2013JK0917); the Scientific Research Program of Yan'an, China (2013-KG03); the Scientific Research Foundation of Yan’an University (YDZD2010-01); Industry-study-research of Yulin City(036)

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    摘要:

    本研究選用三種不同絲徑的FeCrAl纖維絲,通過(guò)配氈、鋪氈、燒結(jié)和壓制等過(guò)程制備出三種不同孔徑的FeCrAl纖維氈,分析了孔徑對(duì)過(guò)濾效率,初阻力和容塵量的影響。發(fā)現(xiàn)孔徑越大,初阻力變小,容塵量增加,過(guò)濾效率降低。部分參數(shù)參考VDI3926標(biāo)準(zhǔn)對(duì)三種纖維氈進(jìn)行了脈沖清灰測(cè)試,在面速為0.06m/s,粉塵濃度為2g/m3,反吹壓差為3500KPa時(shí),絲徑為22μm的樣品3表現(xiàn)出最好的清灰效果,樣品增重達(dá)12.31g,形成濾餅后的效率高達(dá)98.5%,30次人工老化共耗時(shí)盡3h,壽命最長(zhǎng)。

    Abstract:

    In this study, three kinds of FeCrAl fibers with different pore size were prepared by design, fabrication, sintering and repression. The pore size, resistance and capacity were tested,The results show that the initial resistance and efficiency is reduced, capacity is increased with the increase of pore size. The pulse cleaning of fibers were tested reference VDI3926 standard at different face velocity and cleaning pressure. The result indicates sample 3 with 22μm fiber diameter have the longest cleaning lifespan. The four stages of the standard VDI3926 were completed in the face velocity of 0.06m / s, the dust concentration of 2g/m3 and cleaning pressure is 3500KPa.The sample increment weighing reached 12.31g, the average efficiency was as high as 98.5% and consumed time 3h after 30 times artificial aging. The fiber with 22μm diameter shows the longest lifespan.

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陳金妹,徐磊,談萍,李程,皮艷霞.金屬纖維氈的反吹清灰過(guò)程研究[J].稀有金屬材料與工程,2017,46(11):3204~3207.[Chen Jinmei, Xu Lei, Tan Ping, Li Cheng, Pi Yanxia. Study of pulse cleaning process in metalSfiber filters[J]. Rare Metal Materials and Engineering,2017,46(11):3204~3207.]
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  • 收稿日期:2015-11-30
  • 最后修改日期:2016-01-15
  • 錄用日期:2016-02-24
  • 在線發(fā)布日期: 2017-12-13
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