CN105567355A - 一种乳化生物柴油及其制备方法 - Google Patents
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Abstract
本发明的乳化生物柴油,由以下重量份数的组份成制成:生物柴油1100~1200份、异戊醇60~80份、丙二醇丁醚4~5份、醋酸仲丁酯1.5~2份、仲辛基酚聚氧乙烯醚22~28份、烷基多糖苷15~20份、异构十三醇聚氧乙烯醚18~22份、癸二酸二异辛酯6~8份、异辛醇聚氧乙烯醚磷酸酯10~12份、水180~230份。本发明乳化生物柴油,采用多种乳化剂和辅助添加剂,通过特殊的工艺制备而成;各组分之间协同作用十分突出;本发明乳化生物柴油,具有优异的稳定性,长时间放置不分层,可以在柴油机上直接使用。同时,燃烧的有效效率明显提高,相对于普通的乳化生物柴油,本发明的燃油消耗率更低,节能减排效果明显。
Description
技术领域
本发明涉及燃料油技术领域,特别涉及一种乳化生物柴油及其制备方法。
背景技术
随着能源消耗的不断加剧以及环境保护法规的日益严格。汽车改用柴油机正呈现出不可抗拒的趋势柴油机具有较好的可靠性、耐久性以及燃油经济性,在欧洲能源危机相对严重的国家,“汽改柴”(车辆由汽油发动机改用柴油发动机)已经取得了很大进展。柴油被广泛用作车用燃料,但燃用柴油的尾气排放比较高与环境保护的主题相违背。同时国内汽柴比例失调,柴油供应不足造成“柴油荒”,也成为柴油推广使用的屏障。因此如何改善柴油的尾气排放,并提升经济性,成为推广柴油亟需解决的问题。
乳化柴油为油包水(W/O)型乳液,油滴的外相为柴油,内相为水。由于柴油的沸点比水高,所以受热时水先达到沸点而沸腾汽化,当油滴内部的压力超过油的表面张力和环境压力之和时,水汽将冲破外层油膜而使油滴爆炸裂开,产生“微爆”作用,形成更细小的油滴,油气混合更均匀,因此燃烧更完全,从而达到节能环保效果。
在石油资源日益短缺的能源背景和汽车柴油化比例逐渐增加的社会背景下,世界各国都加快了对生物柴油的研究。生物柴油是指以油料作物、野生油料作物和工程微藻等水生植物油脂,以及动物油脂、废餐饮油等为原料油,通过酯交换工艺制成的甲酯或乙酯燃料,化合物的碳链长度为14~18。与普通矿物柴油平均15个碳链相近,其他物理性能也比较接近,可供内燃机使用。生物柴油是一种可再生并且安全性高的新型燃与柴油相比,燃用生物柴油可显著降低CO,HC和PM的排放量。
发明内容
本发明的目的是提供一种具有良好的稳定性和较低的燃油消耗率的乳化生物柴油及其制备方法。
本发明的乳化生物柴油,由以下重量份数的组份成制成:生物柴油1100~1200份、异戊醇60~80份、丙二醇丁醚4~5份、醋酸仲丁酯1.5~2份、仲辛基酚聚氧乙烯醚22~28份、烷基多糖苷15~20份、异构十三醇聚氧乙烯醚18~22份、癸二酸二异辛酯6~8份、异辛醇聚氧乙烯醚磷酸酯10~12份、水180~230份。
作为优化,本发明乳化生物柴油,由以下重量份数的组份制成:生物柴油1130份、异戊醇65份、丙二醇丁醚4.5份、醋酸仲丁酯1.8份、仲辛基酚聚氧乙烯醚25份、烷基多糖苷18份、异构十三醇聚氧乙烯醚20份、癸二酸二异辛酯7份、异辛醇聚氧乙烯醚磷酸酯11份、水210份。
制备本发明乳化生物柴油的方法,包括以下步骤:
a、取所述重量份数的异构十三醇聚氧乙烯醚、癸二酸二异辛酯、异辛醇聚氧乙烯醚磷酸酯、水,加入到均质机中,在40~45℃条件下,以2400~2900转/分钟转速搅拌1~2分钟;
b、取所述重量份数的生物柴油、异戊醇、丙二醇丁醚、醋酸仲丁酯、仲辛基酚聚氧乙烯醚、烷基多糖苷加入到均质机中,在50~55℃条件下,以2400~2900转/分钟转速搅拌1~2分钟,然后采用超声波搅拌器,在70~80℃条件下,搅拌10~15分钟;
c、将步骤a中的混合物加入到步骤b中的混合物中,采用超声波搅拌器,在50~60℃条件下,搅拌20~30分钟,冷却即成。
本发明乳化生物柴油,采用多种乳化剂和辅助添加剂,通过特殊的工艺制备而成;各组分之间协同作用十分突出;本发明乳化生物柴油,具有优异的稳定性,长时间放置不分层,可以在柴油机上直接使用。同时,燃烧的有效效率明显提高,相对于普通的乳化生物柴油,本发明的燃油消耗率更低,节能减排效果明显。
附图说明
图1是发动机燃油消耗率实验结果图。
具体实施方式
下面给出的实施例拟对本发明作进一步说明,但不能理解为是对本发明保护范围的限制,本领域技术人员根据本发明内容对本发明的一些非本质的改进和调整,仍属于本发明的保护范围。
实施例1:a、取异构十三醇聚氧乙烯醚(1310)2千克、癸二酸二异辛酯0.7千克、异辛醇聚氧乙烯醚磷酸酯1.1千克、水21千克,加入到无锡意凯自动化技术有限公司LR-1000高剪切均质机中,在40~45℃条件下,以2400~2900转/分钟转速搅拌1~2分钟;
b、取河南亚太能源科技股份有限公司地沟油提炼生物柴油113千克、异戊醇6.5千克、丙二醇丁醚0.45千克、醋酸仲丁酯0.18千克、仲辛基酚聚氧乙烯醚(SOPE-7)2.5千克、烷基多糖苷(APG-1214)1.8千克加入到无锡意凯自动化技术有限公司LR-1000高剪切均质机中,在50~55℃条件下,以2400~2900转/分钟转速搅拌1~2分钟,然后采用杭州合创超声波科技有限公司HC-SH-2000超声波搅拌器,在70~80℃条件下,搅拌10~15分钟;
c、将步骤a中的混合物加入到步骤b中的混合物中,采用杭州合创超声波科技有限公司HC-SH-2000超声波搅拌器,在50~60℃条件下,搅拌20~30分钟,冷却即成。
实施例2:a、取异构十三醇聚氧乙烯醚(1310)1.8千克、癸二酸二异辛酯0.6千克、异辛醇聚氧乙烯醚磷酸酯1千克、水18千克,加入到无锡意凯自动化技术有限公司LR-1000高剪切均质机中,在40~45℃条件下,以2400~2900转/分钟转速搅拌1~2分钟;
b、取河南亚太能源科技股份有限公司地沟油提炼生物柴油110千克、异戊醇6千克、丙二醇丁醚0.4千克、醋酸仲丁酯0.15千克、仲辛基酚聚氧乙烯醚(SOPE-7)2.2千克、烷基多糖苷(APG-1214)1.5千克加入到无锡意凯自动化技术有限公司LR-1000高剪切均质机中,在50~55℃条件下,以2400~2900转/分钟转速搅拌1~2分钟,然后采用杭州合创超声波科技有限公司HC-SH-2000超声波搅拌器,在70~80℃条件下,搅拌10~15分钟;
c、将步骤a中的混合物加入到步骤b中的混合物中,采用杭州合创超声波科技有限公司HC-SH-2000超声波搅拌器,在50~60℃条件下,搅拌20~30分钟,冷却即成。
实施例3:a、取异构十三醇聚氧乙烯醚(1310)2.2千克、癸二酸二异辛酯0.8千克、异辛醇聚氧乙烯醚磷酸酯1.2千克、水23千克,加入到无锡意凯自动化技术有限公司LR-1000高剪切均质机中,在40~45℃条件下,以2400~2900转/分钟转速搅拌1~2分钟;
b、取河南亚太能源科技股份有限公司地沟油提炼生物柴油120千克、异戊醇8千克、丙二醇丁醚0.5千克、醋酸仲丁酯0.2千克、仲辛基酚聚氧乙烯醚(SOPE-7)2.8千克、烷基多糖苷(APG-1214)2千克加入到无锡意凯自动化技术有限公司LR-1000高剪切均质机中,在50~55℃条件下,以2400~2900转/分钟转速搅拌1~2分钟,然后采用杭州合创超声波科技有限公司HC-SH-2000超声波搅拌器,在70~80℃条件下,搅拌10~15分钟;
c、将步骤a中的混合物加入到步骤b中的混合物中,采用杭州合创超声波科技有限公司HC-SH-2000超声波搅拌器,在50~60℃条件下,搅拌20~30分钟,冷却即成。
对比例:取河南亚太能源科技股份有限公司地沟油提炼生物柴油120千克、水23千克,仲辛基酚聚氧乙烯醚(SOPE-7)2.8千克、烷基多糖苷(APG-1214)2千克,加入到无锡意凯自动化技术有限公司LR-1000高剪切均质机中,在50~55℃条件下,以2400~2900转/分钟转速搅拌1~2分钟,然后采用杭州合创超声波科技有限公司HC-SH-2000超声波搅拌器,在50~60℃条件下,搅拌20~25分钟,冷却即成。
相关实验:实验分为四组,发明实施例1、实施例2、实施例3的乳化生物柴油;以及对比例中的乳化生物柴油。稳定性实验静置观察稳定性将乳化柴油静置于25mL刻度试管中,在室温下(25℃)观查乳液变化情况及1mL柴油析出的时间。不同组的乳化柴油稳定性对比试验结果见表1.通过表1可见采用本发明的组别乳化生物柴油的稳定性明显高于对比组。
燃烧性能实验使用YZ4102QF型水冷直喷4缸发动机,压缩比17.5,排量3.857L,额定功率70.6kW(3200r/min),最大转矩245N·m(2200r/min)。设定发动机转速为2000r/min,在不同的转矩下研究发动机的燃油消耗率。实验结果见图1。从图1可以看出四组燃料中,本发明的三组燃料的燃油消耗率明显低于对比例,其中实施例1中的乳化生物柴油燃油消耗率最低。
Claims (3)
1.一种乳化生物柴油,其特征在于由以下重量份数的组份成制成:生物柴油1100~1200份、异戊醇60~80份、丙二醇丁醚4~5份、醋酸仲丁酯1.5~2份、仲辛基酚聚氧乙烯醚22~28份、烷基多糖苷15~20份、异构十三醇聚氧乙烯醚18~22份、癸二酸二异辛酯6~8份、异辛醇聚氧乙烯醚磷酸酯10~12份、水180~230份。
2.根据权要求1所述的乳化生物柴油,其特征在于由以下重量份数的组份制成:生物柴油1130份、异戊醇65份、丙二醇丁醚4.5份、醋酸仲丁酯1.8份、仲辛基酚聚氧乙烯醚25份、烷基多糖苷18份、异构十三醇聚氧乙烯醚20份、癸二酸二异辛酯7份、异辛醇聚氧乙烯醚磷酸酯11份、水210份。
3.一种制备以上任一项权利要求所述乳化生物柴油的方法,其特征在于包括以下步骤:
a、取所述重量份数的异构十三醇聚氧乙烯醚、癸二酸二异辛酯、异辛醇聚氧乙烯醚磷酸酯、水,加入到均质机中,在40~45℃条件下,以2400~2900转/分钟转速搅拌1~2分钟;
b、取所述重量份数的生物柴油、异戊醇、丙二醇丁醚、醋酸仲丁酯、仲辛基酚聚氧乙烯醚、烷基多糖苷加入到均质机中,在50~55℃条件下,以2400~2900转/分钟转速搅拌1~2分钟,然后采用超声波搅拌器,在70~80℃条件下,搅拌10~15分钟;
c、将步骤a中的混合物加入到步骤b中的混合物中,采用超声波搅拌器,在50~60℃条件下,搅拌20~30分钟,冷却即成。
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