WO2014190766A1 - 破乳柱及应用该破乳柱的萃取中可在线自动破乳的装置 - Google Patents

破乳柱及应用该破乳柱的萃取中可在线自动破乳的装置 Download PDF

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WO2014190766A1
WO2014190766A1 PCT/CN2014/070046 CN2014070046W WO2014190766A1 WO 2014190766 A1 WO2014190766 A1 WO 2014190766A1 CN 2014070046 W CN2014070046 W CN 2014070046W WO 2014190766 A1 WO2014190766 A1 WO 2014190766A1
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demulsification
column
primary battery
extraction
opening
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PCT/CN2014/070046
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English (en)
French (fr)
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陈世辉
王昕�
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北京华阳利民仪器有限公司
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Publication of WO2014190766A1 publication Critical patent/WO2014190766A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C11/00—Separation by high-voltage electrical fields, not provided for in other groups of this subclass
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
    • B01D17/06—Separation of liquids from each other by electricity

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  • the present invention relates to a device for breaking milk, and more particularly to a device for automatically breaking emulsion on-line during extraction.
  • Extraction is the process of transferring a compound from one solvent to another by extracting it by dissolving the solubility or partition coefficient of the compound in two mutually incompatible (or slightly soluble) solvents. Extraction is one of the means used to purify and purify compounds in organic chemistry laboratories. By extraction, the desired compound can be extracted from a solid or liquid mixture.
  • extraction technologies such as liquid-liquid extraction, solid phase extraction, solid-phase microextraction, microwave extraction, etc. Many of these extraction technologies have formed mature products and are used in laboratories or enterprises.
  • automatic liquid-liquid extraction equipment is still relatively rare, because emulsification is inevitably caused in liquid-liquid extraction.
  • Emulsification is a phenomenon in which a liquid is uniformly dispersed in another liquid that is incompatible with each other with very small droplets, and has a phenomenon of minimum stability.
  • the emulsification phenomenon in the liquid-liquid extraction process is a frequent problem. This emulsification phenomenon makes the phase separation difficult, causing the two phases to be entrained, so that the separation effect is not good and the extraction quality is affected.
  • the prevention of emulsification generation and demulsification technology is an urgent problem to be solved in the extraction process.
  • the emulsification phenomenon has a great influence on the extraction efficiency and the accuracy of the detection results. Therefore, solving the emulsification problem in liquid-liquid extraction is crucial for the automatic extraction of liquid and liquid.
  • the technical problem to be solved by the present invention is to provide a demulsification column capable of effectively demulsification in liquid-liquid extraction, and an apparatus capable of online automatic demulsification using the demulsification column.
  • a dampening column comprising an insulative housing, the two ends of the insulative housing being provided with a first opening and a second opening, the key being: further comprising A primary battery in the insulative housing, the primary battery comprising a positive electrode of the primary battery and a negative electrode of the primary battery, the positive electrode of the primary battery being foamed copper, and the negative electrode of the primary battery being foamed nickel.
  • an electret coated on the insulating case is further included.
  • the electret is a polymer film in which a negative polarity high-voltage electrostatic site is present.
  • an envelope coated on the exterior of the electret is further included.
  • a filter mat disposed in the insulating housing adjacent to the first opening and/or the second opening is further included.
  • a first insulating holder is further disposed between the positive electrode of the primary battery and the negative electrode of the primary battery.
  • the galvanic cells are in multiple groups, and a second insulating bracket is disposed between adjacent two sets of galvanic cells.
  • the present invention provides an apparatus for online automatic demulsification using the demulsification column, and the technical proposal thereof is: a device capable of automatically breaking the emulsion in an extract containing the aforementioned demulsification column,
  • the key is to include an extraction reaction vessel and a storage vessel connected by a conduit on which a pump and a dampening column are placed.
  • a sealing plug disposed above the extraction reaction vessel is further provided, and a receiving portion is disposed at a lower portion of the sealing plug, and the dampening column is installed in the accommodating region.
  • the pump is a plunger pump.
  • a dampening column comprising an insulating casing, the insulating casing is provided with a first opening and a second opening at both ends thereof, and further comprises a primary battery disposed in the insulating casing, the primary battery comprising a positive electrode of the primary battery and the original The negative electrode of the battery, the positive electrode of the primary battery is foamed copper, and the negative electrode of the primary battery is foamed nickel.
  • the emulsified liquid flows from the opening of one end of the demulsification column into the demulsification column, it flows through the positive electrode of the primary battery and the negative electrode of the primary battery in sequence, and the liquid droplets are rearranged and polymerized under the action of the electrode to cause cracking of the film, thereby generating
  • the emulsified liquid is demulsified, and the demulsified solution flows out from the opening at the other end of the dampening column.
  • the demulsification column further includes a filter mat disposed in the insulative housing adjacent to the first opening and/or the second opening to generate an emulsified liquid at a certain speed after entering the demulsification column through the catheter, when When passing through the filter mat, since the solid surface of the filter mat has a strong adsorption effect on the emulsifier, the emulsifier is transferred from the oil-water interface to the solid-liquid interface, thereby causing the destruction of the emulsion. In addition, when the emulsion passes through the filter mat, the filter mat will pierce the interface film, causing the inner phase to coalesce to achieve demulsification.
  • the demulsification column further includes an electret coated on the insulating case, and the electret is a polymer film in which a negative high voltage electrostatic site is present.
  • the electret forms a relatively strong electrostatic field in its surrounding space, and the surface potential is around 8000 volts.
  • the electret will produce an electrostatic effect.
  • the electret provides a stable electrostatic field. Under the action of the electrostatic field, the charge on the surface of the droplet is rearranged, and adjacent droplets attract each other to polymerize. This kind of polymerization deformation can overcome the repulsion potential between the emulsion droplets, and break the droplets to achieve demulsification.
  • An apparatus for automatically breaking emulsion on-line in an extraction comprising an extraction reaction vessel and a storage vessel connected by a conduit, on which a pump and the above-mentioned demulsification column are disposed.
  • the fully extracted solution including the emulsion layer will pass through the demulsification column under the action of the pump.
  • the solution in the emulsion layer will be broken when passing through the demulsification column, and the demulsified solution can be directly stratified by flowing into the storage container. , thereby improving the extraction efficiency.
  • the device capable of automatically breaking the emulsion further includes a sealing plug disposed above the extraction reaction vessel, and a receiving portion is disposed at a lower portion of the sealing plug, and the breaking column is installed in the accommodating region.
  • the pump is a plunger pump, and the plunger pump is used to precisely control the flow rate, so that the fully extracted solution can be completely extracted into the storage container and fully demulsified.
  • the plunger pump itself is compact in structure, which ensures a small footprint of the extraction device and saves space.
  • FIG. 1 is a schematic structural view of a demulsification column according to the present invention.
  • FIG. 2 is a schematic view showing the influence of an electrostatic field formed by an electret in a demulsification column on the surface charge of an emulsion droplet;
  • FIG. 3 is a schematic view showing a process of polarization demulsification of an emulsion by an electrostatic field formed by an electret in a demulsification column according to the present invention
  • Fig. 4 is a schematic view showing the structure of an apparatus capable of online automatic demulsification in the extraction according to the present invention.
  • a dampening column includes an insulating case 11 and a galvanic cell 120 disposed in the insulating case 11, the galvanic cell including a galvanic cell positive electrode 121 and a galvanic cell negative electrode 122, the galvanic cell positive electrode 121 is foamed copper, and the primary battery negative electrode 122 is foamed nickel.
  • a first opening 110 and a second opening 111 are disposed at two ends of the insulating housing 11 , and the dampening column further includes a first opening 110 and the second opening 111 disposed in the insulating housing 11 .
  • a filter mat 13 an electret 16 coated on the insulative housing 11 , and an envelope 17 covering the exterior of the electret 16 .
  • a first insulating bracket 14 is disposed between the primary battery positive electrode 121 and the primary battery negative electrode 122.
  • the primary battery 120 is two sets, and a second insulating bracket 15 is further disposed between the two sets of primary batteries.
  • the electret 16 is a polymer film in which a negative polarity high-voltage electrostatic site is present.
  • the electret provides a stable electrostatic field.
  • the electrostatic action rearranges the charge on the surface of the liquid droplets in the electrostatic field, and the adjacent droplets attract each other to polymerize. This polymerization can overcome the emulsion.
  • the repulsive force between the droplets is such that the emulsion is broken by breaking the droplets.
  • an apparatus for automatically breaking emulsion on-line in the extraction using the above-mentioned demulsification column includes an extraction reaction vessel 21 and a storage container 22 connected through a conduit 25, and a seal disposed above the extraction reaction vessel 21.
  • an accommodating area 26 is disposed at a lower portion of the sealing plug 24, and the dampening column 10 is installed in the accommodating area 26.
  • the pump 23 is preferably a plunger pump.
  • the invention discloses a demulsification column and a device capable of automatically breaking the emulsion in the extraction by using the demulsification column, which can effectively demulsifile in liquid-liquid extraction
  • the components used in the production can be mass-produced and assembled through industrialization, so it has great market prospects and strong industrial applicability.

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  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Extraction Or Liquid Replacement (AREA)

Abstract

本发明公开了一种破乳柱，包括绝缘外壳，所述绝缘外壳的两端设置有第一开口和第二开口，还包括设置在所述绝缘外壳内的原电池、设置在所述绝缘外壳内靠近所述第一开口和/或所述第二开口的过滤垫以及包覆在所述绝缘外壳上的驻极体，所述原电池包括原电池正极和原电池负极，所述原电池正极为泡沫铜，所述原电池负极为泡沫镍。本发明还公开了一种可在线自动破乳的装置，包括通过导管连通的萃取反应容器和存储容器，在所述导管上设置有泵和破乳柱。这种结构的破乳柱在液液萃取时能够有效破乳，应用了该破乳柱的萃取中可在线自动破乳的装置能够大幅提升萃取的效率。

Description

破乳柱及应用该破乳柱的萃取中可在线自动破乳的装置 技术领域
本发明涉及一种破乳的装置，特别是涉及一种萃取中可在线自动破乳的装置。
背景技术
萃取是利用化合物在两种互不相溶(或微溶)的溶剂中溶解度或分配系数的不同，使化合物从一种溶剂内转移到另外一种溶剂中从而将其提取出来的过程。萃取是有机化学实验室中用来提纯和纯化化合物的手段之一。通过萃取，能从固体或液体混合物中提取出所需要的化合物。萃取技术多种多样，如：液液萃取、固相萃取、固（液）相微萃取、微波萃取等，这其中的多种萃取技术已经形成成熟的产品并被应用于实验室或企业。但是自动液液萃取设备还是比较少见，这是因为在液液萃取中不可避免会产生乳化现象。乳化是一种液体以极微小液滴均匀地分散在互不相溶的另一种液体中，且有一个最低稳定度的现象。液液萃取过程中的乳化现象是经常发生的问题，这种乳化现象使分相困难,造成两相互相夹带,使分离效果不好,影响萃取质量。防止乳化的生成和破乳技术是萃取过程中迫切需要解决的问题。乳化现象对萃取效率及检测结果的准确性都会产生很大的影响。所以解决液液萃取中的乳化问题对于液液自动萃取来说至关重要。
发明内容
本发明所要解决的技术问题是，提供一种在液液萃取时能够有效破乳的破乳柱，以及应用该破乳柱的可在线自动破乳的装置。
为解决以上技术问题，本发明的技术方案是：一种破乳柱，包括绝缘外壳，所述绝缘外壳的两端设置有第一开口和第二开口，其关键是：还包括设置在所述绝缘外壳内的原电池，所述原电池包括原电池正极和原电池负极，所述原电池正极为泡沫铜，所述原电池负极为泡沫镍。
作为本发明的改进一，还包括包覆在所述绝缘外壳上的驻极体。
作为本发明进一步的改进，所述驻极体为驻有负极性高压静电位的高分子膜。
作为本发明更进一步的改进，还包括包覆在所述驻极体外部的封套。
作为本发明的改进二，还包括设置在所述绝缘外壳内靠近所述第一开口和/或所述第二开口的过滤垫。
作为本发明进一步的改进，在所述原电池正极和所述原电池负极之间还设置有第一绝缘支架。
作为本发明更进一步的改进，所述原电池为多组，在相邻两组原电池之间设置有第二绝缘支架。
为解决另一技术问题，本发明提供一种应用该破乳柱的可在线自动破乳的装置，其技术方案为：一种包含前述破乳柱的萃取中可在线自动破乳的装置，其关键是：包括通过导管连通的萃取反应容器和存储容器，在所述导管上设置有泵和破乳柱。
作为本发明进一步的改进，还包括设置在所述萃取反应容器上方的密封塞，在所述密封塞的下部设置有容置区，所述破乳柱安装在所述容置区中。
优选的，所述泵为柱塞泵。
通过实施本发明可取得以下有益效果：
一种破乳柱，包括绝缘外壳，所述绝缘外壳的两端设置有第一开口和第二开口，还包括设置在所述绝缘外壳内的原电池，所述原电池包括原电池正极和原电池负极，所述原电池正极为泡沫铜，所述原电池负极为泡沫镍。当产生乳化的液体从所述破乳柱的一端的开口流入破乳柱时会依次流经原电池正极及原电池负极，在电极的作用下液滴重新排列聚合导致膜的破裂，从而对产生乳化的液体进行破乳，破乳后的溶液从破乳柱另一端的开口流出。设置多组原电池可以获得更好的破乳效果。
所述破乳柱还包括设置在所述绝缘外壳内靠近所述第一开口和/或所述第二开口的过滤垫，产生乳化的液体以一定的速度通过导管进入破乳柱后，当其经过过滤垫时，由于过滤垫的固体表面对乳化剂有很强的吸附作用，所以乳化剂会由油水界面转移至固液界面，从而导致乳状液的破坏。另外，当乳化液通过过滤垫时，过滤垫会将界面膜刺破，使其内相聚结而实现破乳，
所述破乳柱还包括包覆在所述绝缘外壳上的驻极体，所述驻极体为驻有负极性高压静电位的高分子膜。驻极体在其周围空间形成相当强的静电场，表面电位在8000伏左右，驻极体会产生静电效应。驻极体提供了一个稳定的静电场，静电场作用下，液滴表面的电荷会重新排列，邻近液滴相互吸引聚合。这种聚合变形能克服乳状液滴间的斥力位能，使液滴破裂而实现破乳。
一种萃取中可在线自动破乳的装置，包括通过导管连通的萃取反应容器和存储容器，在所述导管上设置有泵和上述破乳柱。经充分萃取的包括乳化层的溶液在泵的带动下会经过破乳柱，在经过破乳柱时乳化层中的溶液会被破乳，破乳后的溶液流到存储容器中可直接分层，从而提高了萃取效率。所述可在线自动破乳的装置还包括设置在所述萃取反应容器上方的密封塞，在所述密封塞的下部设置有容置区，所述破乳柱安装在所述容置区中。这种结构使得本发明中的破乳柱可以方便拆卸，且密封良好。所述泵为柱塞泵，使用柱塞泵能够精确控制流量，从而能够把经充分萃取的溶液全部抽取到存储容器中，对其进行充分的破乳。柱塞泵本身结构紧凑，能够保证萃取装置有较小的占地面积，达到节省空间的目的。
 附图说明
下面结合说明书附图对本发明做进一步详细的描述，其中：
图1是本发明所述一种破乳柱的结构示意图；
图2是本发明所述一种破乳柱中驻极体所形成的静电场对乳状液液滴表面电荷的影响示意图；
图3本发明所述一种破乳柱中的驻极体所形成的静电场对乳状液的极化破乳过程示意图；
图4是本发明所述一种萃取中可在线自动破乳的装置的结构示意图。
 本发明的实施方式
如图1所示，一种破乳柱，包括绝缘外壳11和设置在所述绝缘外壳11内的原电池120，所述原电池包括原电池正极121和原电池负极122，所述原电池正极121为泡沫铜，所述原电池负极122为泡沫镍。所述绝缘外壳11的两端设置有第一开口110和第二开口111，所述破乳柱还包括设置在所述绝缘外壳11内靠近所述第一开口110和所述第二开口111的过滤垫13、包覆在所述绝缘外壳11上的驻极体16以及包覆在所述驻极体16外部的封套17。在所述原电池正极121和所述原电池负极122之间设置有第一绝缘支架14，所述原电池120为两组，在两组原电池之间还设置有第二绝缘支架15。所述驻极体16为驻有负极性高压静电位的高分子膜。
如图2、3所示，驻极体提供了一个稳定的静电场，静电作用使静电场之中的液体的液滴表面的电荷重新排列，临近液滴相互吸引聚合，这种聚合能克服乳状液滴间的斥力位能，从而通过让液滴破裂来实现破乳。
如图4所示，一种应用上述破乳柱的萃取中可在线自动破乳的装置，包括通过导管25连通的萃取反应容器21和存储容器22以及设置在所述萃取反应容器21上方的密封塞24，在所述导管25上设置有泵23和破乳柱10，所述破乳柱10可以设置在所述导管25的任何位置上，即所述破乳柱10可以设置在所述泵23的任何一侧。在本实施例中，在所述密封塞24的下部设置有容置区26，所述破乳柱10安装在所述容置区26中。所述泵23优选为柱塞泵。
必须指出，上述实施例只是对本发明做出的一些非限定性举例说明。但本领域的技术人员会理解，在没有偏离本发明的宗旨和范围下，可以对本发明做出修改、替换和变更，这些修改、替换和变更仍属本发明的保护范围。
 工业实用性
本发明 一种破乳柱及应用该破乳柱的萃取中可在线自动破乳的装置能够在 液液萃取时有效破乳 ，其中所采用的零部件都可以通过工业化批量生产和装配，因此具有很大的市场前景和很强的工业实用性。

Claims (10)

  1. 一种破乳柱，包括绝缘外壳（11），所述绝缘外壳（11）的两端设置有第一开口（110）和第二开口（111），其特征是：还包括设置在所述绝缘外壳（11）内的原电池（120），所述原电池包括原电池正极（121）和原电池负极（122），所述原电池正极（121）为泡沫铜，所述原电池负极（122）为泡沫镍。
  2. 根据权利要求1所述的一种破乳柱，其特征是：还包括设置在所述绝缘外壳（11）内靠近所述第一开口（110）和/或所述第二开口（111）的过滤垫（13）。
  3. 根据权利要求2所述的一种破乳柱，其特征是：在所述原电池正极（121）和所述原电池负极（122）之间还设置有第一绝缘支架（14）。
  4. 根据权利要求3所述的一种破乳柱，其特征是：所述原电池（120）为多组，在相邻两组原电池之间设置有第二绝缘支架（15）。
  5. 根据权利要求1至4中任何一项权利要求所述的一种破乳柱，其特征是：还包括包覆在所述绝缘外壳（11）上的驻极体（16）。
  6. 根据权利要求5所述的一种破乳柱，其特征是：所述驻极体（16）为驻有负极性高压静电位的高分子膜。
  7. 根据权利要求6所述的一种破乳柱，其特征是：还包括包覆在所述驻极体（16）外部的封套（17）。
  8. 一种包含权利要求1至7中任何一项权利要求所述破乳柱的萃取中可在线自动破乳的装置，其特征是：包括通过导管（25）连通的萃取反应容器（21）和存储容器（22），在所述导管（25）上设置有泵（23）和破乳柱(10)。
  9. 根据权利要求8所述的一种萃取中可在线自动破乳的装置，其特征是：还包括设置在所述萃取反应容器（21）上方的密封塞（24），在所述密封塞（24）的下部设置有容置区（26），所述破乳柱（10）安装在所述容置区（26）中。
  10. 根据权利要求8或9所述的一种萃取中可在线自动破乳的装置，其特征是：所述泵（23）为柱塞泵。
PCT/CN2014/070046 2013-05-27 2014-01-02 破乳柱及应用该破乳柱的萃取中可在线自动破乳的装置 WO2014190766A1 (zh)

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CN104174187A (zh) * 2013-05-27 2014-12-03 北京华阳利民仪器有限公司 破乳柱及应用该破乳柱的萃取中可在线自动破乳的装置
CN203281077U (zh) * 2013-05-27 2013-11-13 北京华阳利民仪器有限公司 破乳柱及应用该破乳柱的萃取中可在线自动破乳的装置
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