CN115738364A - 一种崖柏中药提取设备和提取方法 - Google Patents
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Abstract
本发明公开了一种崖柏中药提取设备和提取方法。该提取设备至少包括有蒸馏锅,蒸馏锅包括锅体、凝液槽、冷凝器、冷却桶和补水桶;所述锅体用于热水;所述凝液槽环绕设置于锅体侧壁的顶部,而且底部设有出液口;所述冷凝器设置凝液槽上,用于进行冷凝,冷凝液由凝液槽的出液口排出;所述冷却桶连接所述出液口,用于对冷凝后的提取物进行冷却;所述补水桶连接于冷凝器和锅体之间,用于给锅体补水。该提取设备可通过水蒸馏法提取中药崖柏的挥发油成分,降低设备投入和生产过程的成本。该提取方法为使用所述提取设备,对含有崖柏的中药组合物进行药用成分提取,既有效提取了崖柏的挥发油成分,又能够在整体上保留了传统水煎法的优点。
Description
技术领域
本发明属于天然植物提取物技术领域,具体涉及一种崖柏中药提取设备和提取方法。
背景技术
崖柏(Thuja Sutchuenensis)为柏科(Cupressaceae)崖柏属(Thuja)常绿乔木,经研究发现,崖柏的根、茎、叶中含有罗汉柏烯、a-蒎烯、柠檬烯等萜类化合物,这些萜类化合物脂溶性佳,分子小,具有抗菌、抗氧化、抗肿瘤、降血压、驱虫、抗炎、利尿和祛痰的功效。近年来,已进行了崖柏的人工种植试验,并获得成功,为对崖柏的研究开发提供了条件。
由于崖柏精油的高附加值,目前对其的提取方法主要有水蒸气蒸馏法、超临界CO2萃取法、有机溶剂提取法等。但是上述方法,尤其是超临界CO2萃取法和有机溶剂提取法,对所需要提取设备的密封性、安全性等要求较高,对所用的介质和工艺条件也有十分严格的要求,运用到大规模的工业生产中,有可能增加设备投入和生产过程中的成本。
此外,由于崖柏具有极高的药用价值,已经逐渐被用于中药组方及中药加工中;但是常见的中药提取方法主要为水提法或醇提法,虽然能够有效提取药方中的其他组分,但是难以高效提取崖柏所含有的挥发油成分。
发明内容
本发明的目的为提供一种崖柏中药提取设备和提取方法,通过水蒸馏法提取中药崖柏的挥发油成分,降低设备投入和生产过程的成本。为此,本发明提供如下技术方案:
一方面,本发明提供一种崖柏中药精油提取设备,包括有蒸馏锅,所述蒸馏锅包括锅体、凝液槽、冷凝器、冷却桶和补水桶;
所述锅体用于热水,其侧壁开有补水口和排水口;
所述凝液槽环绕设置于所述锅体侧壁的顶部,而且底部设有出液口;
所述冷凝器包括存水筒和罩体,所述存水筒下端开口,该开口端的壁厚小于所述凝液槽的宽度,而且外侧壁可匹配地沿所述凝液槽的槽壁插入槽内,从而将所述存水筒罩在所述锅体顶部,所述罩体为设于所述存水筒内的圆锥形壳体,其开口与所述存水筒下端开口重合,从而在所述罩体和存水筒之间形成密闭的空间,所述存水筒侧壁的下部开有入水口,上部开有出水口;
所述冷却桶内部为密封的空间,且内部设有盘管,所述冷却桶顶部开有冷却水出口、冷凝液入口,底部设有冷却水入口、冷凝液出口,所述冷却水出口用于外接冷却水,所述冷却水出口与所述入水口管道连接,所述盘管的两端分别与所述冷凝液入口和冷却水出口连接,所述冷却水出口还与所述出液口管道连接;
所述补水桶顶部开有补水入口,上部侧壁开有补水出口,所述补水入口与所述出水口管道连接,所述补水出口与所述补水口管道连接。
在一些实施例中,所述蒸馏锅还包括有料筐,该料筐的侧壁和底部设有虑孔或格栅,外侧壁顶部侧凸有多个卡块,筐口架设设有用于上提所述料筐的提手;所述锅体内壁的顶部多个凸块,凸块顶部开有槽,卡块可匹配插入所述槽内,从而将所述料筐架在所述锅体内。
在一些实施例中,所述锅体内部还设有液位传感器,所述补水出口和补水口之间的管道设有调节阀,调节阀与液位传感器电性连接,所述调节阀用于根据液位传感器的检测结果,将所述锅体内的液位控制在预设值。
在一些实施例中,该提取设备还可包括有油水分离器。所述油水分离器包括筒体、隔板和控制机构;所述筒体两端封口且内部中空;所述隔板在所述筒体内部中心沿轴向设置,从而将所述筒体内部对半隔开为进料间和出料间两部分,所述进料间和出料间底部之间开有连通的开口,所述进料间顶部开有与所述冷凝液出口连通的油水入口,所述出料间侧壁上部开有精油出口,下部开有纯露出口;所述控制机构设于所述出料间内,其用于在进行油水分离的过程中逐渐露出所述述精油出口和纯露出口。
在至少一个实施例中,所述控制机构包括两块形状与筒体内壁贴合的挡板、设于所述出料间上部的漂浮块、将所述挡板和漂浮块连接的连杆,所述两块挡板在重量作用下分别挡住所述精油出口和纯露出口,所述漂浮块可在浮力作用下上浮至进料间顶部,从而上提所述两块挡板,并在此时完全露出所述精油出口和纯露出口。
在一些实施例中,该提取设备还包括有提取罐和浓缩器,所述提取罐的入口端连接至所述蒸馏锅的排水口,所述浓缩器的入口端同时连接至提取罐的出口端和所述油水分离器的纯露出口。
另一方面,本发明还提供一种崖柏中药提取方法,该方法适用于以崖柏为原料药之一的中药组合物,并且使用到所述崖柏中药提取设备,包括以下步骤:
1)将崖柏置于所述蒸馏锅中加水浸泡,煮沸后进行蒸馏,蒸馏产物经所述油水分离器处理后,获得崖柏精油和纯露;
2)将所述蒸馏锅中的料液过滤,滤液通入提取罐,提取罐内加入崖柏之外的其他原料药,煮沸后煎煮,过滤,将滤液通入浓缩器,然后通入步骤1)制得的纯露并一起浓缩成清膏。
本发明至少取得如下有益效果:本发明提供的提取设备,通过水蒸馏法提取崖柏精油,整个设备在使用过程中操作简单,不需要严苛的条件,而且通过蒸馏锅和油水分离器配合使用,可有效提取崖柏精油,利于提取物的制备;本发明提供的提取方法,能够用于将中药组方中的崖柏和其他原料药分开处理,既有效提取了崖柏的挥发油成分,又能够在整体上保留了传统的水煎法,用于提取大部分的中药材原料中的药用成分。
附图说明
现在将参考附图仅通过示例的方式来描述本发明的一个或多个实施例,附图中:
图1为本发明崖柏中药提取设备的实施例的主视图;
图2为图1实施例的剖视图;
图3为图1中A区域的局部放大图;
图4为图1实施例的锅体的立体图;
图5为图1实施例的料筐的立体图;
图6为油水分离器的其中一个实施例的立体图;
图7为图6油水分离器的剖视图;
图8为图6油水分离器的筒体的立体图;
图9为图6油水分离器的控制机构的立体图;
图10本发明崖柏中药提取方法实施例的设备使用情况的流程框图。
图中标号为:1、蒸馏锅;11、锅体;111、补水口;112、排水口;113、凸块;114、卡槽;12、凝液槽;121、出液口;13、冷凝器;131、存水筒;132、罩体;133、入水口;134、出水口;14、冷却桶;141、盘管;142、冷却水出口;143、冷凝液入口;144、冷却水入口;145、冷凝液出口;15、补水桶;151、补水入口;152、补水出口;16、料筐;161、卡块;162、提手;17、液位传感器;18、调节阀;19、加热仓;2、油水分离器;21、筒体;211、进料间;212、出料间;213、油水入口;214、精油出口;215、纯露出口;22、隔板;23、控制机构;231、挡板;232、漂浮块;233、连杆;221、导向槽;234、通孔;235、滑块。
具体实施方式
下文将参照附图中的示例性实施例来详细地描述本发明。但应当知道的是,本发明可通过多种不同的形式来实现,而不应该被理解为限制于本文所阐述的实施例。在此提供这些实施例旨在使得本发明的公开内容更为完整,并将本发明的构思完全传递给本领域技术人员。
在本发明的描述中,需要理解的是,术语“中心”、“横向”、“纵向”、“前”、“后”、“左”、“右”、“上”、“下”、“竖直”、“水平”、“顶”、“底”、“内”、“外”等指示的方位或位置关系为基于附图所示的方位或位置关系,仅是为了便于描述本发明和简化描述,而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作,因此不能理解为对本发明保护范围的限制。
首先,本发明提供用于提取崖柏中药提取物的提取设备的实施例,该提取设备主要有两部分构成,一是用于水蒸馏法的蒸馏锅,二是用于对蒸馏产物进行油水分离的油水分离器。
如图1~5所示,本实施例的提取设备包括蒸馏锅1和油水分离器2。蒸馏锅1包括锅体11、凝液槽12、冷凝器13、冷却桶14和补水桶15;锅体11用于热水,其侧壁开有补水口111和排水口112;凝液槽12环绕设置于锅体11侧壁的顶部,而且底部设有出液口121;冷凝器13包括存水筒131和罩体132,存水筒131下端开口,该开口端的壁厚小于凝液槽12的宽度,而且外侧壁可匹配地沿凝液槽12的槽壁插入槽内,从而将存水筒131罩在锅体11顶部,罩体132为设于存水筒131内的圆锥形壳体,其开口与存水筒131下端开口重合,从而在罩体132和存水筒131之间形成密闭的空间,存水筒131侧壁的下部开有入水口133,上部开有出水口134;冷却桶14内部为密封的空间,且内部设有盘管141,冷却桶14顶部开有冷却水出口142、冷凝液入口143,底部设有冷却水入口144、冷凝液出口145,冷却水出口142用于外接冷却水,冷却水出口142与入水口133管道连接,盘管141的两端分别与冷凝液入口143和冷却水出口142连接,冷却水出口142还与出液口121管道连接;补水桶15顶部开有补水入口151,上部侧壁开有补水出口152,补水入口151与出水口134管道连接,补水出口152与补水口111管道连接。
其中,所述凝液槽12顶部的内沿、存水筒131下端开口的内沿均以圆弧面过渡,以利于冷凝器13的装入,同时留出更多收集冷凝液的空间。
蒸馏锅1还包括有料筐16,该料筐16的侧壁和底部设有虑孔或格栅,外侧壁顶部侧凸有多个卡块161,筐口架设设有用于上提料筐16的提手162;锅体11内壁的顶部多个凸块113,凸块113顶部开有卡槽114,卡块161可匹配插入卡槽114内,从而将料筐16架在锅体11内。该料筐16方便投料,而且具有过滤作用;使用时,通过卡块161和卡槽114配合使用,确保了料筐16的平稳放置。
锅体11内部还设有液位传感器17,补水出口152和补水口111之间的管道设有调节阀18,调节阀18与液位传感器17电性连接,调节阀18用于根据液位传感器17的检测结果,将锅体11内的液位控制在预设值。使用时,投料和加水后,液位传感器17开始所测得的液位设为预设液位值,调节阀18根据该液位由补水桶15补水。
锅体11底部设有加热仓19,加热仓19内设有用于为锅体11的电热元件,该加热元件可选为电加热棒和燃气灶,通过电加热或燃气加热的方式对锅体11底部加热。
参考图6~9,油水分离器2包括筒体21、隔板22和控制机构23。筒体21两端封口且内部中空;隔板22在筒体21内部中心沿轴向设置,从而将筒体21内部对半隔开为进料间211和出料间212两部分,进料间211和出料间212底部之间开有连通的开口,进料间211顶部开有与冷凝液出口145连通的油水入口213,出料间212侧壁上部开有精油出口214,下部开有纯露出口215。
控制机构23设于出料间212内,其包括两块形状与筒体21内壁贴合的挡板231、设于出料间212上部的漂浮块232、将挡板231和漂浮块232连接的连杆233,两块挡板231在重量作用下分别挡住精油出口214和纯露出口215,漂浮块232可在浮力作用下上浮至进料间211顶部,从而上提两块挡板231,并在此时完全露出精油出口214和纯露出口215。筒体21为圆筒;漂浮块232为半圆形板,材料宜选用可漂浮的塑料材质。由于本发明的设备用于提取后所得的精油和清膏,在制备下游产品时常需要重新复配混合,或者在投入使用时又重新混合,所以对精油的分离效果要求不高。使用该控制机构23后,通过漂浮块232的上下浮动,能够确保油水混合物经过一定时间(不需要太长)的静置,即可实现初步分层,最终完成油水分离。
漂浮块232上开有若干通孔234,用于通气,利于漂浮块232的沉浮。隔板22的在出料间212的一面竖向设有导向槽221,漂浮块232朝向导向槽221的边沿开有一凹口,凹口内设有可在导向槽221内上下滑动的滑块235。设置滑块235和导向槽221,能够让漂浮块232上下移动时更平稳。
此外,该提取设备还包括有提取罐和浓缩器,提取罐的入口端连接至上述蒸馏锅1的排水口,浓缩器的入口使用时,先将崖柏置于料筐16内,一同放入锅体11内,然后由锅体11顶部加水至合适的液位,再将冷凝器13罩于锅体11顶部,然后由冷却水入口144通过冷水,即可加热锅体11内的料液,蒸馏的蒸汽经冷凝器13冷凝后流入凝液槽12,再进入油水分离器2进行油水分离,获取精油。锅体11内的液位通过液位传感器17和调节阀18的配合进行控制,补充的液体由补水桶15内用于冷却后的温水提供端同时连接至提取罐的出口端和上述油水分离器2的纯露出口215。
其次,本发明还提供崖柏中药提取方法的具体实施例,该实施例的提取方法适用于以崖柏为原料药之一的中药组合物,并且使用到上述的崖柏中药提取设备,其包括以下步骤:
1)将崖柏置于所述蒸馏锅中加水浸泡,煮沸后进行蒸馏,蒸馏产物经所述油水分离器处理后,获得崖柏精油和纯露;
2)将所述蒸馏锅中的料液过滤,滤液通入提取罐,提取罐内加入崖柏之外的其他原料药,煮沸后煎煮,过滤,将滤液通入浓缩器,然后通入步骤1)制得的纯露并一起浓缩成清膏。其中,所述崖柏精油和清膏混合包装或者分开包装。
更详细地,以包括下述重量份的原料的中药组合物为例:崖柏80份、生姜3份、皂角8份、茶枯15份、何首乌8份、无患子30份、黄芪8、侧柏叶15份、地肤子10份、白鲜皮2份、苦参10份、丹参10份。
崖柏中药提取方法的步骤为:1)将崖柏置于蒸馏锅中加水浸泡0.1~5h,煮沸后蒸馏2~8h,蒸馏锅内保持崖柏和水的重量比为1:6~20,蒸馏产物经油水分离器处理后,获得崖柏精油和纯露,所得崖柏精油为崖柏中药提取物的组分A;
2)将蒸馏锅中的料液过滤,滤液通入提取罐,提取罐内加有崖柏之外的原料组分,煮沸后煎煮0.5~3h,过滤,将滤液通入浓缩器浓缩至原体积的30%~40%,然后通入步骤1)制得的纯露并一起浓缩成清膏,所得清膏为崖柏中药提取物的组分B。
以上述中药组合物为原料制得的提取物,可用于添加到洗护发产品中,所述洗护发产品可以为洗发水或护发素;所述组分A在洗护发产品中添加量为0.1wt%~3wt%;所述组分B在洗护发产品中的添加量为1wt%~10wt%。所得洗护发产品具有芳香宜人的特点,以及具有抑制脂溢性皮炎和控制头屑等功效,说明本发明提取方法的具有可行性和优异的技术效果。
应当理解的是,所有以上的实施例都是示例性而非限制性的,本领域技术人员在本发明的构思下,对以上描述的具体实施例做出的各种改型或变形,都应在本发明的保护范围内。
Claims (10)
1.一种崖柏中药提取设备,其特征在于:包括蒸馏锅,所述蒸馏锅包括锅体、凝液槽、冷凝器、冷却桶和补水桶;
所述锅体用于热水,其侧壁开有补水口和排水口;
所述凝液槽环绕设置于所述锅体侧壁的顶部,而且底部设有出液口;
所述冷凝器包括存水筒和罩体,所述存水筒下端开口,该开口端的壁厚小于所述凝液槽的宽度,而且外侧壁可匹配地沿所述凝液槽的槽壁插入槽内,从而将所述存水筒罩在所述锅体顶部,所述罩体为设于所述存水筒内的圆锥形壳体,其开口与所述存水筒下端开口重合,从而在所述罩体和存水筒之间形成密闭的空间,所述存水筒侧壁的下部开有入水口,上部开有出水口;
所述冷却桶内部为密封的空间,且内部设有盘管,所述冷却桶顶部开有冷却水出口、冷凝液入口,底部设有冷却水入口、冷凝液出口,所述冷却水出口用于外接冷却水,所述冷却水出口与所述入水口管道连接,所述盘管的两端分别与所述冷凝液入口和冷却水出口连接,所述冷却水出口还与所述出液口管道连接;
所述补水桶顶部开有补水入口,上部侧壁开有补水出口,所述补水入口与所述出水口管道连接,所述补水出口与所述补水口管道连接。
2.根据权利要求1所述的崖柏中药提取设备,其特征在于:所述蒸馏锅还包括有料筐,该料筐的侧壁和底部设有虑孔或格栅,外侧壁顶部侧凸有多个卡块,筐口架设设有用于上提所述料筐的提手;所述锅体内壁的顶部多个凸块,凸块顶部开有槽,卡块可匹配插入所述槽内,从而将所述料筐架在所述锅体内。
3.根据权利要求1所述的崖柏中药提取设备,其特征在于:所述锅体内部还设有液位传感器,所述补水出口和补水口之间的管道设有调节阀,调节阀与液位传感器电性连接,所述调节阀用于根据液位传感器的检测结果,将所述锅体内的液位控制在预设值。
4.根据权利要求1所述的崖柏中药提取设备,其特征在于:还包括有油水分离器;
所述油水分离器包括筒体、隔板和控制机构;所述筒体两端封口且内部中空;所述隔板在所述筒体内部中心沿轴向设置,从而将所述筒体内部对半隔开为进料间和出料间两部分,所述进料间和出料间底部之间开有连通的开口,所述进料间顶部开有与所述冷凝液出口连通的油水入口,所述出料间侧壁上部开有精油出口,下部开有纯露出口;所述控制机构设于所述出料间内,其用于在进行油水分离的过程中逐渐露出所述述精油出口和纯露出口。
5.根据权利要求4所述的崖柏中药提取设备,其特征在于:所述控制机构包括两块形状与筒体内壁贴合的挡板、设于所述出料间上部的漂浮块、将所述挡板和漂浮块连接的连杆,所述两块挡板在重量作用下分别挡住所述精油出口和纯露出口,所述漂浮块可在浮力作用下上浮至进料间顶部,从而上提所述两块挡板,并在此时完全露出所述精油出口和纯露出口。
6.根据权利要求5所述的崖柏中药提取设备,其特征在于:所述漂浮块上开有若干通孔。
7.根据权利要求5所述的崖柏中药提取设备,其特征在于:所述隔板的在所述出料间的一面竖向设有导向槽,所述漂浮块朝向所述导向槽的边沿开有一凹口,所述凹口内设有可在所述导向槽内上下滑动的滑块。
8.根据权利要求4所述的崖柏中药提取设备,其特征在于:还包括有提取罐和浓缩器,所述提取罐的入口端连接至所述蒸馏锅的排水口,所述浓缩器的入口端同时连接至提取罐的出口端和所述油水分离器的纯露出口。
9.一种崖柏中药提取方法,该方法适用于以崖柏为原料药之一的中药组合物,并且使用到所述权利要求1~8中任一项所述的崖柏中药提取设备,其特征在于,包括以下步骤:
1)将崖柏置于所述蒸馏锅中加水浸泡,煮沸后进行蒸馏,蒸馏产物经所述油水分离器处理后,获得崖柏精油和纯露;
2)将所述蒸馏锅中的料液过滤,滤液通入提取罐,提取罐内加入崖柏之外的其他原料药,煮沸后煎煮,过滤,将滤液通入浓缩器,然后通入步骤1)制得的纯露并一起浓缩成清膏。
10.根据权利要求9所述的崖柏中药提取方法,其特征在于,所述崖柏精油和清膏混合包装或者分开包装。
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