CN108043124A - 一种汽车空气滤芯器木纤维滤芯 - Google Patents
一种汽车空气滤芯器木纤维滤芯 Download PDFInfo
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Abstract
本发明公开了一种汽车空气滤芯器木纤维滤芯,涉及滤芯器技术领域,所述汽车空气滤芯器木纤维滤芯制备方法包括以下步骤:(1)采用处理液对水曲柳纤维原料进行处理;(2)对处理浆料进行抽提;(3)采用片状绢云母进行研磨;本发明制备的汽车空气滤芯器木纤维滤芯具有良好的过滤效率和使用寿命。
Description
技术领域
本发明属于滤芯器技术领域,具体涉及一种汽车空气滤芯器木纤维滤芯。
背景技术
汽车空气滤芯器作为汽车发动机进气***的重要部件,其质量直接影响发动机的可靠性和使用寿命。目前,最常见的发动机空气滤芯是经树脂浸渍的折叠滤纸,它不能重复使用,使用寿命较短,而其他滤芯材料如微孔滤纸材料、无纺布材料、复式过滤材料等在性能和成本上很难达到理想水平,因此,如何得到一种性能更好的空气滤芯器滤芯是所要解决的技术问题。
发明内容
本发明的目的是针对现有的问题,提供了一种汽车空气滤芯器木纤维滤芯。
本发明是通过以下技术方案实现的:
一种汽车空气滤芯器木纤维滤芯,所述汽车空气滤芯器木纤维滤芯制备方法包括以下步骤:
(1)将水曲柳纤维原料加入到蒸煮设备中,然后再向蒸煮设备中添加水曲柳纤维原料质量8-10倍的处理液,加热至80℃,以1500r/min转速搅拌2小时,然后再调节温度至55℃,保温3-5小时,然后进行过滤,得到处理浆料;所述处理液按重量份计由以下成分制成:羟甲基纤维素钠3-5、氢氧化钠8-10、纳米二氧化钛1-3、环氧脂肪酸甲酯4-6、偶联剂1.2-1.8、丙三醇8-10、N-甲基吡咯烷酮2.5-2.8、甘露醇1.8-2.5、去离子水120;
(2)将步骤(1)中制备的处理浆料和乙醇溶液的质量比为1:20-22的质量比例均匀混合后,加热至45℃,以150r/min转速搅拌5小时,然后采用超声波处理15min,再进行抽提3小时,得到水曲柳纤维;
(3)将步骤(2)中得到的水曲柳纤维按1:10质量比均匀分散到丙三醇溶液中,然后向丙三醇溶液中添加其质量5-6%的片状绢云母,然后进行研磨5-8小时,然后进行过滤,采用去离子水进行洗涤,真空干燥至恒重,即得。
进一步的,所述步骤(1)中偶联剂为钛酸酯偶联剂。
进一步的,所述步骤(2)中乙醇溶液质量分数为70%。
进一步的,所述步骤(2)中超声波功率为800W,频率为45kHz。
进一步的,所述步骤(3)中丙三醇溶液质量分数为50%。
进一步的,所述电石渣粒度为120目。
进一步的,所述步骤(3)中片状绢云母粒度为500目。
进一步的,所述真空干燥温度为100℃。
制备的制备的木纤维滤芯滤芯为200mm×120 mm×10 mm 的立方体,滤芯密度为0.21g/cm3 。
本发明相比现有技术具有以下优点:本发明通过采用配制的处理液对水曲柳纤维原料进行处理,能够有效的改善水曲柳纤维原料的性能和组织结构,协同配合在丙三醇溶液中采用片状绢云母进行研磨,能够有效的改变水曲柳纤维结构排列形状,在增强水曲柳纤维强度和韧性的同时,一定程度上割裂了水曲柳纤维细胞壁,消除了水曲柳纤维原料原有的微观缺陷,并筛除了其他杂细胞,因此,从处理后的水曲柳纤维从形态上来讲,与水曲柳纤维原料相比,更薄、更细、其单元强度也大大提高,同时,增加了纤维间的接触面积,能够有效提高水曲柳纤维对空气中固体粉尘颗粒的过滤效果,尤其是对水曲柳纤维进行研磨时添加了片状绢云母,不仅在研磨过程中对水曲柳纤维进行分割和对其细胞进行改善,同时,能够在滤芯中承担良好的稳定吸附功能,增强木纤维滤芯的过滤效果,提高过滤效率和使用寿命。
具体实施方式
实施例1
一种汽车空气滤芯器木纤维滤芯,所述汽车空气滤芯器木纤维滤芯制备方法包括以下步骤:
(1)将水曲柳纤维原料加入到蒸煮设备中,然后再向蒸煮设备中添加水曲柳纤维原料质量8倍的处理液,加热至80℃,以1500r/min转速搅拌2小时,然后再调节温度至55℃,保温3小时,然后进行过滤,得到处理浆料;所述处理液按重量份计由以下成分制成:羟甲基纤维素钠3、氢氧化钠8、纳米二氧化钛1、环氧脂肪酸甲酯4、偶联剂1.2、丙三醇8、N-甲基吡咯烷酮2.5、甘露醇1.8、去离子水120;
(2)将步骤(1)中制备的处理浆料和乙醇溶液的质量比为1:20的质量比例均匀混合后,加热至45℃,以150r/min转速搅拌5小时,然后采用超声波处理15min,再进行抽提3小时,得到水曲柳纤维;
(3)将步骤(2)中得到的水曲柳纤维按1:10质量比均匀分散到丙三醇溶液中,然后向丙三醇溶液中添加其质量5%的片状绢云母,然后进行研磨5小时,然后进行过滤,采用去离子水进行洗涤,真空干燥至恒重,即得。
进一步的,所述步骤(1)中偶联剂为钛酸酯偶联剂。
进一步的,所述步骤(2)中乙醇溶液质量分数为70%。
进一步的,所述步骤(2)中超声波功率为800W,频率为45kHz。
进一步的,所述步骤(3)中丙三醇溶液质量分数为50%。
进一步的,所述电石渣粒度为120目。
进一步的,所述步骤(3)中片状绢云母粒度为500目。
进一步的,所述真空干燥温度为100℃。
实施例2
一种汽车空气滤芯器木纤维滤芯,所述汽车空气滤芯器木纤维滤芯制备方法包括以下步骤:
(1)将水曲柳纤维原料加入到蒸煮设备中,然后再向蒸煮设备中添加水曲柳纤维原料质量10倍的处理液,加热至80℃,以1500r/min转速搅拌2小时,然后再调节温度至55℃,保温5小时,然后进行过滤,得到处理浆料;所述处理液按重量份计由以下成分制成:羟甲基纤维素钠3-5、氢氧化钠10、纳米二氧化钛3、环氧脂肪酸甲酯6、偶联剂1.8、丙三醇10、N-甲基吡咯烷酮2.8、甘露醇2.5、去离子水120;
(2)将步骤(1)中制备的处理浆料和乙醇溶液的质量比为1:22的质量比例均匀混合后,加热至45℃,以150r/min转速搅拌5小时,然后采用超声波处理15min,再进行抽提3小时,得到水曲柳纤维;
(3)将步骤(2)中得到的水曲柳纤维按1:10质量比均匀分散到丙三醇溶液中,然后向丙三醇溶液中添加其质量6%的片状绢云母,然后进行研磨8小时,然后进行过滤,采用去离子水进行洗涤,真空干燥至恒重,即得。
进一步的,所述步骤(1)中偶联剂为钛酸酯偶联剂。
进一步的,所述步骤(2)中乙醇溶液质量分数为70%。
进一步的,所述步骤(2)中超声波功率为800W,频率为45kHz。
进一步的,所述步骤(3)中丙三醇溶液质量分数为50%。
进一步的,所述电石渣粒度为120目。
进一步的,所述步骤(3)中片状绢云母粒度为500目。
进一步的,所述真空干燥温度为100℃。
实施例3
一种汽车空气滤芯器木纤维滤芯,所述汽车空气滤芯器木纤维滤芯制备方法包括以下步骤:
(1)将水曲柳纤维原料加入到蒸煮设备中,然后再向蒸煮设备中添加水曲柳纤维原料质量9倍的处理液,加热至80℃,以1500r/min转速搅拌2小时,然后再调节温度至55℃,保温4小时,然后进行过滤,得到处理浆料;所述处理液按重量份计由以下成分制成:羟甲基纤维素钠4、氢氧化钠9、纳米二氧化钛2、环氧脂肪酸甲酯5、偶联剂1.6、丙三醇9、N-甲基吡咯烷酮2.7、甘露醇2.2、去离子水120;
(2)将步骤(1)中制备的处理浆料和乙醇溶液的质量比为1:21的质量比例均匀混合后,加热至45℃,以150r/min转速搅拌5小时,然后采用超声波处理15min,再进行抽提3小时,得到水曲柳纤维;
(3)将步骤(2)中得到的水曲柳纤维按1:10质量比均匀分散到丙三醇溶液中,然后向丙三醇溶液中添加其质量5.5%的片状绢云母,然后进行研磨6小时,然后进行过滤,采用去离子水进行洗涤,真空干燥至恒重,即得。
进一步的,所述步骤(1)中偶联剂为钛酸酯偶联剂。
进一步的,所述步骤(2)中乙醇溶液质量分数为70%。
进一步的,所述步骤(2)中超声波功率为800W,频率为45kHz。
进一步的,所述步骤(3)中丙三醇溶液质量分数为50%。
进一步的,所述电石渣粒度为120目。
进一步的,所述步骤(3)中片状绢云母粒度为500目。
进一步的,所述真空干燥温度为100℃。
对比例1:与实施例1区别仅在于将步骤(1)中处理液替换为氢氧化钠溶液。
对比例2:与实施例1区别仅在于步骤(3)中不添加片状绢云母。
试验:
试验条件为:室温为 23±5℃,大气压力为101.3kPa,空气相对湿度为55%±15%。采用270目石英粉作为试验用灰,以1g/m3的加灰浓度加灰。加灰的质量取每分钟体积流量的6倍,每隔5 min测定1次加灰质量,并在30min内连续测定加灰增量。当总成的每次进气阻力增加值达到6.0kPa时停止试验。
将送风速度设定为0.6m/s,对填充率为20%、木纤维平均直径为30μm,且滤芯厚度分别为35mm的木纤维发动机空气滤芯分别进行过滤效率和过滤阻力试验:
表1
过滤效率% | 过滤阻力Pa | |
实施例1 | 99.99 | 125.86 |
实施例2 | 99.99 | 126.07 |
实施例3 | 99.99 | 125.98 |
对比例1 | 90.51 | 178.49 |
对比例2 | 94.86 | 153.76 |
对照组(无纺布滤芯) | 95.79 | 238.16 |
由表1可以看出,本发明制备的木纤维滤芯不仅具有良好的过滤效率,同时,还能够有效的降低过滤阻力。
Claims (8)
1.一种汽车空气滤芯器木纤维滤芯,其特征在于,所述汽车空气滤芯器木纤维滤芯制备方法包括以下步骤:
(1)将水曲柳纤维原料加入到蒸煮设备中,然后再向蒸煮设备中添加水曲柳纤维原料质量8-10倍的处理液,加热至80℃,以1500r/min转速搅拌2小时,然后再调节温度至55℃,保温3-5小时,然后进行过滤,得到处理浆料;所述处理液按重量份计由以下成分制成:羟甲基纤维素钠3-5、氢氧化钠8-10、纳米二氧化钛1-3、环氧脂肪酸甲酯4-6、偶联剂1.2-1.8、丙三醇8-10、N-甲基吡咯烷酮2.5-2.8、甘露醇1.8-2.5、去离子水120;
(2)将步骤(1)中制备的处理浆料和乙醇溶液的质量比为1:20-22的质量比例均匀混合后,加热至45℃,以150r/min转速搅拌5小时,然后采用超声波处理15min,再进行抽提3小时,得到水曲柳纤维;
(3)将步骤(2)中得到的水曲柳纤维按1:10质量比均匀分散到丙三醇溶液中,然后向丙三醇溶液中添加其质量5-6%的片状绢云母,然后进行研磨5-8小时,然后进行过滤,采用去离子水进行洗涤,真空干燥至恒重,即得。
2.如权利要求1所述的一种汽车空气滤芯器木纤维滤芯,其特征在于,所述步骤(1)中偶联剂为钛酸酯偶联剂。
3.如权利要求1所述的一种汽车空气滤芯器木纤维滤芯,其特征在于,所述步骤(2)中乙醇溶液质量分数为70%。
4.如权利要求1所述的一种汽车空气滤芯器木纤维滤芯,其特征在于,所述步骤(2)中超声波功率为800W,频率为45kHz。
5.如权利要求1所述的一种汽车空气滤芯器木纤维滤芯,其特征在于,所述步骤(3)中丙三醇溶液质量分数为50%。
6.如权利要求1所述的一种汽车空气滤芯器木纤维滤芯,其特征在于,所述电石渣粒度为120目。
7.如权利要求1所述的一种汽车空气滤芯器木纤维滤芯,其特征在于,所述步骤(3)中片状绢云母粒度为500目。
8.如权利要求1所述的一种汽车空气滤芯器木纤维滤芯,其特征在于,所述真空干燥温度为100℃。
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