CN115475412B - Purification method for liquid drop generated oil - Google Patents
Purification method for liquid drop generated oil Download PDFInfo
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- CN115475412B CN115475412B CN202211286511.5A CN202211286511A CN115475412B CN 115475412 B CN115475412 B CN 115475412B CN 202211286511 A CN202211286511 A CN 202211286511A CN 115475412 B CN115475412 B CN 115475412B
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- liquid
- liquid suction
- oil
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- centrifuge tube
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- 239000007788 liquid Substances 0.000 title claims abstract description 253
- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000000746 purification Methods 0.000 title abstract description 24
- 239000012535 impurity Substances 0.000 claims abstract description 29
- 239000002904 solvent Substances 0.000 claims abstract description 18
- 239000000725 suspension Substances 0.000 claims description 39
- 238000007789 sealing Methods 0.000 claims description 27
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical group CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 10
- 230000009471 action Effects 0.000 claims description 9
- 230000005484 gravity Effects 0.000 claims description 8
- 238000000926 separation method Methods 0.000 claims description 5
- 241000755266 Kathetostoma giganteum Species 0.000 claims description 4
- 239000011259 mixed solution Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005119 centrifugation Methods 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D11/00—Solvent extraction
- B01D11/04—Solvent extraction of solutions which are liquid
- B01D11/0476—Moving receptacles, e.g. rotating receptacles
- B01D11/048—Mixing by counter-current streams provoked by centrifugal force, in rotating coils or in other rotating spaces
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Centrifugal Separators (AREA)
Abstract
A method of purifying a liquid droplet generation oil comprising the steps of: step A, preparing, namely adding liquid generated by liquid drops generated by the reaction into a centrifuge tube, and adding a solvent, wherein the density of the solvent is smaller than that of the liquid generated by the liquid drops and is insoluble with the liquid generated by the liquid drops; step B, centrifuging, namely centrifuging a centrifuge tube filled with droplet generation oil and solvent, wherein impurities in the droplet generation oil are adsorbed into the solvent after centrifuging, obvious layering is formed, the lower layer is purified droplet generation oil, and the upper layer is impurity liquid; step C, separating, namely separating liquid drop generated oil from impurity liquid in the centrifuge tube, and separating and sucking the purified liquid drop generated oil by using a liquid suction component; and D, collecting the sucked liquid drop generated oil and the residual impurity liquid in the centrifuge tube respectively. The purification method of the liquid drop generated oil is more convenient and quick to operate, ensures the stability of the output of the liquid drop generated oil, improves the product quality of the liquid drop generated oil, and improves the purification efficiency.
Description
Technical Field
The invention belongs to the field of production of liquid drop generated oil, and particularly relates to a purification method of liquid drop generated oil.
Background
The liquid drop generating oil is used for separating liquid into uniform liquid drops, the shearing force formed by the mutual action of an oil phase and a liquid phase is utilized to form water-in-oil micro-liquid drops, the application in the fields of biology, chemistry and the like is very wide, and in the production process of the liquid drop generating oil, the purification process of the produced liquid drop generating oil is required, so that the liquid drop generating oil meets the requirements, and the existing purification and purification methods of the liquid drop generating oil are as follows: the method comprises the steps of subpackaging liquid drop generated oil obtained by reaction into a centrifugal bottle, adding one tenth of ethanol into the centrifugal bottle, shaking up, balancing, centrifuging, sucking and discarding the impurity liquid on the upper layer of a centrifuge tube by using a dropping liquid pipe after centrifuging, then adding the ethanol into the centrifuge to suck and discard the impurity liquid on the upper layer, and repeatedly purifying to obtain the purified liquid drop generated oil.
Disclosure of Invention
The invention aims to provide a purification method of liquid drop generated oil, which aims to solve the technical problems that the operation is convenient and the quality and the yield of products can be ensured when the liquid drop generated oil is purified.
In order to solve the technical problems, the specific technical scheme of the purification method of the liquid drop generated oil is as follows:
a method of purifying a liquid droplet generation oil comprising the steps of:
step A, preparing, namely adding liquid generated by liquid drops generated by the reaction into a centrifuge tube, and adding a solvent, wherein the density of the solvent is smaller than that of the liquid generated by the liquid drops and is insoluble with the liquid generated by the liquid drops;
step B, centrifuging, namely centrifuging a centrifuge tube filled with droplet generation oil and solvent, wherein impurities in the droplet generation oil are adsorbed into the solvent after centrifuging, obvious layering is formed, the lower layer is purified droplet generation oil, and the upper layer is impurity liquid;
step C, separating, namely separating liquid drop generated oil from impurity liquid in the centrifuge tube, and separating and sucking the purified liquid drop generated oil by using a liquid suction component;
and D, collecting the sucked liquid drop generated oil and the residual impurity liquid in the centrifuge tube respectively.
Further, the step C includes the following steps:
c1, preparing separation, namely pushing a liquid suction handle rod and a sliding plug to the bottom of a liquid suction pipe, and pushing a suspension plate to the upper side of a liquid suction needle tube;
c2, placing the liquid suction assembly, placing the end part of a liquid suction needle tube of the liquid suction assembly at a position corresponding to a liquid suction platform at the bottom of the centrifuge tube, and placing the liquid suction needle tube into a suspension plate, so that the suspension plate moves to the interface of liquid drop generated oil and impurity liquid under the action of gravity;
c3, separating liquid drop generated oil, and pulling a liquid suction handle rod to separate and extract the liquid drop generated oil at the lower layer of the centrifuge tube;
and C4, taking out the liquid suction assembly, and taking out the liquid suction assembly carrying the liquid drop generated oil from the centrifuge tube.
Further, the density of the suspension plate is smaller than that of the liquid drop generated oil and is larger than that of the impurity liquid, and the solvent is ethanol.
Further, the step C3 specifically includes: the liquid suction handle rod is pulled to separate and extract liquid drop generated oil on the lower layer of the centrifuge tube, the liquid drop generated oil enters the liquid suction needle tube and the liquid suction tube through the liquid suction channel, along with gradual reduction of the interface, the suspension plate synchronously moves downwards along the liquid suction needle tube along the interface, when the interface is reduced to a position close to the end part of the liquid suction needle tube, the suspension plate moves to the position of the end part of the liquid suction needle tube, the sealing ball is matched with the liquid suction channel, and the sealing ball is firmly attached and adsorbed to the liquid suction channel under the action of gravity of the sealing ball and suction force of the liquid suction channel, so that the liquid drop generated oil is separated and sucked from the centrifuge tube.
The purification method of the liquid drop generated oil has the following advantages: compared with the prior art, the purification purpose is achieved by sucking away the miscellaneous liquid from the top of the centrifuge tube, and the purpose is achieved by separating out the liquid drop generated oil of the lower layer in the centrifuge tube after centrifugation, in addition, the liquid suction needle tube is in flat-head arrangement, the bottom of the centrifuge tube is provided with a corresponding liquid suction platform, so that the operation is more convenient and fast, the residue of the liquid drop generated oil in the centrifuge tube 1 is reduced, the stability of the output of the liquid drop generated oil is ensured, the separation of the liquid drop generated oil and the miscellaneous liquid is easier to control, the product quality of the liquid drop generated oil is improved, in addition, the liquid suction channel and the suspension plate are arranged, the sealing ball and the liquid suction channel are automatically matched, the liquid suction channel is sealed, the miscellaneous liquid suction is prevented, the risk of misoperation of operators is greatly reduced, the speed of purification is greatly improved, and the purification efficiency is improved.
Drawings
FIG. 1 is a schematic diagram of a droplet generation oil purification apparatus;
FIG. 2 is a schematic diagram of the structure of a liquid suction needle tube and the bottom of a centrifuge tube of the liquid drop generated oil purifying device;
FIG. 3 is a schematic view of the structure of the liquid suction needle tube and the suspension plate of the liquid drop generating oil purifying device;
FIG. 4 is a schematic flow diagram of a first droplet generation oil purification method of the present invention;
FIG. 5 is a schematic flow chart of a second droplet generation oil purification method of the present invention;
the figure indicates: 1. centrifuging tube; 11. a liquid suction platform; 12. a liquid suction tank; 2. a liquid suction needle tube; 21. a liquid suction channel; 22. a guide groove; 23. a plugging plate; 3. a pipette; 31. a sliding plug; 32. a liquid suction handle; 4. the droplets generate oil; 5. impurity liquid; 6. a suspension plate; 61. a cavity; 62. and (5) sealing the ball.
Detailed Description
For a better understanding of the objects, structures and functions of the present invention, a method for purifying a droplet-forming oil according to the present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1, the device for purifying the liquid drop generating oil used in the liquid drop generating oil purifying method comprises a centrifuge tube 1 and a liquid sucking component, wherein the liquid sucking component comprises a liquid sucking needle tube 2 and a liquid sucking tube 3, the liquid sucking tube 3 is connected and communicated with the liquid sucking needle tube 2, a sliding plug 31 is arranged in the liquid sucking tube 3, the sliding plug 31 can be connected in a sliding manner in the liquid sucking tube 3, the upper end of the sliding plug 31 is connected with a liquid sucking handle rod 32, the sliding plug 31 can be driven to slide in the liquid sucking tube 3 by pulling or pushing the liquid sucking handle rod 32, the effective volume of the liquid sucking tube 3 is larger than that of the centrifuge tube 1, that is, the liquid sucking component can suck all liquid drop generating oil 4 in the centrifuge tube 1 into the liquid sucking tube 3 at one time, the liquid sucking times are reduced, the operation is simplified, the operation is improved, the length of the liquid sucking needle tube 2 is longer than that of the centrifuge tube 1, that is, and the end of the liquid sucking needle tube can extend to the bottom of the centrifuge tube 1.
As shown in fig. 4, in combination with the above-mentioned droplet generation oil apparatus, a droplet generation oil purification method of the present application includes the steps of:
step A, preparing, namely adding liquid drop generated by the reaction into a centrifuge tube 1 to generate oil liquid 4, and adding a certain amount of corresponding solvent, wherein the solvent is not compatible with the liquid drop generated oil 4;
step B, centrifuging, namely centrifuging a centrifuge tube filled with the liquid drop generated oil 4 and the solvent, wherein impurities in the liquid drop generated oil 4 are adsorbed into the solvent after centrifuging, and obvious layering is formed;
step C, separating, namely separating liquid drop generated oil from impurity liquid in the centrifuge tube, and sucking out purified liquid drop generated separated oil 4 by using a liquid suction component;
and D, collecting the sucked liquid drop generated oil 4 and the residual impurity liquid 5 in the centrifuge tube respectively.
In the step A, the density of the added solution is smaller than that of the droplet generation oil 4, in the embodiment, the solution is ethanol, in the step B, the lower layer in the centrifuge tube 1 is the purified droplet generation oil 4, and the upper layer is the impurity liquid 5.
As shown in fig. 2-3, in order to further improve the quality and purity of the droplet generated oil 4 and reduce the residue of the droplet generated oil 4 in the centrifuge tube 1, the bottom of the centrifuge tube 1 is provided with a liquid suction platform 11, the bottom of the centrifuge tube 1 is conical, the end of the liquid suction needle tube 2 is in a flat-head shape, the end of the liquid suction needle tube 2 is matched with the liquid suction platform 11, the side edge of the liquid suction platform 11 extends upwards to form a side wall, the end of the side wall is connected with the inclined surface of the bottom of the centrifuge tube 1, so that the liquid suction platform 11 and the side wall form a liquid suction groove 12, the sectional area of the liquid suction groove 12 is far smaller than the sectional area of the inclined surface of the centrifuge tube 1 and the bottom of the centrifuge tube 1, the end of the same liquid suction needle tube 2 can penetrate into the liquid suction groove 12 to be contacted with the liquid suction platform 11, and a gap is reserved between the liquid suction needle tube 2 and the side wall of the liquid suction groove 12.
The liquid suction needle tube 2 is sleeved with a suspension plate 6, the suspension plate 6 is annular, the diameter of a middle through hole of the suspension plate 6 is matched with the diameter of an outer circle of the liquid suction needle tube 2, the suspension plate 6 can slide up and down along the liquid suction needle tube 2, a cavity 61 is formed in the suspension plate 6, a sealing ball 62 is arranged in the cavity 61, the cavity 61 is obliquely arranged in the suspension plate 6, one end of the cavity 61 is communicated with the middle through hole of the suspension plate 6, the inner dimension of the cavity 61 is matched with the sealing ball 62, the sealing ball 62 can slide and roll in the cavity 61, one end of the cavity 61, which is communicated with the middle through hole of the suspension plate 6, is lower than the other end of the cavity 6, so that the sealing ball 62 is always positioned at the lower end of the cavity 61 under the action of gravity, and the sealing ball 62 is kept in contact with the liquid suction needle tube 2.
In this embodiment, the end of the liquid suction needle tube 2 is provided with a circular liquid suction channel 21, the bottom surface of the liquid suction needle tube 2 is plugged by a plugging plate 23, a circular liquid suction channel 21 is reserved on the side surface, one end of the liquid suction channel 21, which is positioned outside the liquid suction needle tube 2, is provided with an arc edge, the size of the arc edge is matched with that of the sealing ball 62, when the suspension plate 6 moves to the end of the liquid suction needle tube 2, the sealing ball 62 is just matched with the liquid suction channel 21, and plays a role of plugging and sealing the liquid suction channel 21, in order to enable the sealing ball 62 to be matched with the liquid suction channel 21 when moving to the bottom of the liquid suction needle tube 2, a guide groove 22 is arranged outside the liquid suction channel 21, and is provided with an arc-shaped guide groove 22, when the suspension plate 6 moves on the liquid suction needle tube 2, the sealing ball 62 is matched with the guide groove 22, and the sealing ball 62 moves correspondingly along the guide groove 22 to prevent the suspension plate 6 from rotating axially when the suspension plate 6 moves to the end of the liquid suction channel 21, so that the sealing ball 62 is just positioned at the position of the liquid suction channel 21.
It should be noted that, in the present embodiment, the density of the suspension plate 6 as a whole is smaller than that of the droplet-forming oil 4 and larger than that of the impurity 5, so that the suspension plate 6 can be suspended at the position of the interface between the droplet-forming oil 4 and the impurity 5, that is, the upper part of the suspension plate 6 is located in the impurity 5, the lower part is located in the droplet-forming oil 4, the suspension plate 6 can move along the direction of the liquid-sucking needle tube 2 along with the movement of the interface, while the density of the sealing ball 62 is larger than that of the droplet-forming oil 4 and that of the impurity 5 during the movement of the suspension plate 6 along the liquid-sucking needle tube 2, the edge of the sealing ball 62 is in contact with the outer side surface of the liquid-sucking needle tube 2 under the action of gravity, and the sealing ball 62 slides or rolls along the liquid-sucking needle tube 2 during the movement, and the suspension plate 6 can also move into the liquid-sucking groove 12.
Further, as shown in FIG. 5, the step C of the purification method of the droplet-forming oil of the present application specifically comprises the steps of
C1, preparing for separation, pushing the liquid suction handle rod 32 and the sliding plug 21 to the bottom of the liquid suction tube 3, and pushing the suspension plate 6 to the upper side of the liquid suction needle tube 2;
c2, placing a liquid suction assembly, placing the end part of a liquid suction needle tube 2 of the liquid suction assembly at a position corresponding to a liquid suction platform 11 at the bottom of the centrifuge tube 1, and placing a suspension plate 6, so that the suspension plate 6 moves to the interface of liquid drop generated oil 4 and impurity liquid 5 under the action of gravity;
c3, separating liquid drop generated oil, pulling the liquid suction handle rod 32 to separate and extract the liquid drop generated oil 4 at the lower layer of the centrifuge tube 1, enabling the liquid drop generated oil 4 to enter the liquid suction needle tube 2 and the liquid suction tube 3 through the liquid suction channel 21, enabling the suspension plate 6 to synchronously move downwards along the liquid suction needle tube 2 along with the interface along with the gradual lowering of the interface, enabling the suspension plate 6 to move to the position of the end part of the liquid suction needle tube 2 when the interface is lowered to the position close to the end part of the liquid suction needle tube 2, enabling the sealing ball 62 to be matched with the liquid suction channel 21, and firmly attaching and adsorbing the sealing ball 62 at the liquid suction channel 21 under the action of gravity of the sealing ball 62 and suction force at the liquid suction channel 21, so that the liquid drop generated oil is separated and sucked from the centrifuge tube.
And C4, taking out the liquid suction assembly, and taking out the liquid suction assembly carrying the liquid drop generating oil 4 from the centrifugal tube.
Compared with the prior art, the purification method for the liquid drop generated oil sucks the impurity liquid 5 from the upper side of the centrifuge tube 1 to achieve the purification purpose, and the purification method for the liquid drop generated oil in the centrifuge tube 1 separates the lower layer of the liquid drop generated oil 4 in the centrifuge tube 1 to achieve the purpose, in addition, the liquid suction needle tube 2 is in flat-head arrangement, the bottom of the centrifuge tube 1 is provided with the corresponding liquid suction platform 11, so that the operation is more convenient and fast, meanwhile, the residue of the liquid drop generated oil 4 in the centrifuge tube 1 is reduced, the stability of the output of the liquid drop generated oil 4 is ensured, the separation of the liquid drop generated oil 4 and the impurity liquid 5 is easier to control, the product quality of the liquid drop generated oil 4 is improved, in addition, the liquid suction channel 21 and the suspension plate 6 are arranged, the sealing ball 62 and the liquid suction channel 21 are automatically matched in the purification process to seal the liquid suction channel 21, the impurity liquid 5 is prevented from being sucked, the risk of misoperation of operators is greatly reduced, meanwhile, the purification efficiency is greatly improved.
It will be understood that the invention has been described in terms of several embodiments, and that various changes and equivalents may be made to these features and embodiments by those skilled in the art without departing from the spirit and scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, it is intended that the invention not be limited to the particular embodiment disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (5)
1. A method for purifying a droplet generation oil, comprising the steps of:
step A, preparing, namely adding liquid of droplet generation oil (4) generated by the reaction into a centrifuge tube (1), and adding a solvent, wherein the density of the solvent is smaller than that of the droplet generation oil (4) and is not compatible with the droplet generation oil (4);
step B, centrifuging, namely centrifuging a centrifuge tube (1) filled with droplet generation oil (4) and a solvent, wherein impurities in the droplet generation oil (4) are adsorbed into the solvent after centrifuging, obvious layering is formed, the lower layer is the purified droplet generation oil (4), and the upper layer is a mixed solution (5);
step C, separating, namely separating liquid drop generated oil (4) from impurity liquid (5) in the centrifuge tube (1), placing the end part of a liquid suction needle tube (2) of the liquid suction assembly at a position corresponding to a liquid suction platform (11) at the bottom of the centrifuge tube (1), wherein the end part of the liquid suction needle tube 2 is in a flat-head shape, the end part of the liquid suction needle tube 2 is matched with the liquid suction platform 11, and separating and sucking the purified liquid drop generated oil (4) by using the liquid suction assembly;
and D, collecting the sucked liquid drop generated oil (4) and the residual impurity liquid (5) in the centrifuge tube (1) respectively.
2. A method of purifying a droplet generator oil according to claim 1, wherein said step C comprises the steps of:
c1, preparing for separation, pushing a liquid suction handle rod (32) and a sliding plug (31) to the bottom of a liquid suction tube (3), and pushing a suspension plate (6) to the upper side of the liquid suction needle tube (2);
c2, placing a liquid suction assembly, placing the end part of a liquid suction needle tube (2) of the liquid suction assembly at a position corresponding to a liquid suction platform (11) at the bottom of the centrifuge tube (1), and placing a suspension plate (6), so that the suspension plate (6) moves to the interface of liquid drop generated oil (4) and impurity liquid (5) under the action of gravity;
c3, separating liquid drop generated oil (4), and pulling a liquid suction handle rod (32) to separate and extract the liquid drop generated oil (4) at the lower layer of the centrifuge tube (1);
and C4, taking out the liquid suction assembly, and taking out the liquid suction assembly carrying the liquid drop generating oil (4) from the centrifuge tube (1).
3. A method of purifying a droplet generation oil according to claim 2, characterized in that the suspension plate (6) has a density smaller than the droplet generation oil (4) and greater than the density of the dope (5).
4. A method of purifying a liquid droplet generation oil according to claim 3, wherein the solvent is ethanol.
5. The method for purifying a droplet generator oil according to claim 4, wherein the step C3 specifically comprises: the liquid suction handle rod (32) is pulled to separate and extract liquid drop generated oil (4) on the lower layer of the centrifuge tube (1), the liquid drop generated oil (4) enters the liquid suction needle tube (2) and the liquid suction tube (3) through the liquid suction channel (21), the suspension plate (6) synchronously moves downwards along the liquid suction needle tube (2) along with the gradual lowering of the interface, when the interface is lowered to a position close to the end part of the liquid suction needle tube (2), the suspension plate (6) moves to the position of the end part of the liquid suction needle tube (2), the sealing ball (62) is matched with the liquid suction channel (21), and the sealing ball (62) is firmly attached and adsorbed to the liquid suction channel (21) under the action of the gravity of the sealing ball (62) and the suction force of the liquid suction channel (21), so that the liquid drop generated oil (4) is separated and sucked from the centrifuge tube (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211286511.5A CN115475412B (en) | 2022-10-20 | 2022-10-20 | Purification method for liquid drop generated oil |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211286511.5A CN115475412B (en) | 2022-10-20 | 2022-10-20 | Purification method for liquid drop generated oil |
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| CN115475412A CN115475412A (en) | 2022-12-16 |
| CN115475412B true CN115475412B (en) | 2024-02-02 |
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| CN115475412A (en) | 2022-12-16 |
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