CN115475412A - Purification method for oil generated by liquid drops - Google Patents
Purification method for oil generated by liquid drops Download PDFInfo
- Publication number
- CN115475412A CN115475412A CN202211286511.5A CN202211286511A CN115475412A CN 115475412 A CN115475412 A CN 115475412A CN 202211286511 A CN202211286511 A CN 202211286511A CN 115475412 A CN115475412 A CN 115475412A
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- liquid
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- 239000007788 liquid Substances 0.000 title claims abstract description 165
- 238000000034 method Methods 0.000 title claims abstract description 25
- 238000000746 purification Methods 0.000 title abstract description 19
- 239000012535 impurity Substances 0.000 claims abstract description 27
- 239000002904 solvent Substances 0.000 claims abstract description 17
- 238000000926 separation method Methods 0.000 claims abstract description 11
- 238000005119 centrifugation Methods 0.000 claims abstract description 5
- 238000006243 chemical reaction Methods 0.000 claims abstract description 5
- 238000002360 preparation method Methods 0.000 claims abstract description 4
- 239000000725 suspension Substances 0.000 claims description 39
- 238000010521 absorption reaction Methods 0.000 claims description 27
- 238000007789 sealing Methods 0.000 claims description 18
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical group CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 8
- 230000005484 gravity Effects 0.000 claims description 8
- 230000009471 action Effects 0.000 claims description 7
- 230000009467 reduction Effects 0.000 claims description 2
- 238000005213 imbibition Methods 0.000 description 41
- 230000015572 biosynthetic process Effects 0.000 description 12
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002156 mixing Methods 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
- 238000010008 shearing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- 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
Abstract
A method for purifying droplet generation oil comprises the following steps: step A, preparation, namely adding liquid droplet generating oil generated by reaction into a centrifugal tube, and adding a solvent, wherein the density of the solvent is less than that of the liquid droplet generating oil and is not dissolved with the liquid droplet generating oil; step B, centrifuging, namely centrifuging a centrifuge tube filled with the droplet generating oil and the solvent, wherein after centrifugation, impurities in the droplet generating oil are adsorbed into the solvent to form obvious layering, the lower layer is the purified droplet generating oil, and the upper layer is impurity liquid; step C, separation, namely separating the droplet generated oil and the impurity liquid in the centrifugal tube, and separating and sucking the purified droplet generated oil by using a liquid sucking component; and D, collecting, namely collecting the sucked liquid drop generating oil and the residual impurity liquid in the centrifugal tube respectively. The purification method of the droplet-formed oil is more convenient and faster to operate, ensures the stability of the yield of the droplet-formed oil, improves the product quality of the droplet-formed oil and improves the purification efficiency.
Description
Technical Field
The invention belongs to the field of production of droplet-generated oil, and particularly relates to a method for purifying droplet-generated oil.
Background
The droplet generated oil is used for dividing liquid into uniform droplets, water-in-oil micro droplets are formed by utilizing shearing force formed by mutual formation of an oil phase and a liquid phase, the droplet generated oil is widely applied in the fields of biology, chemistry and the like, in the production process of the droplet generated oil, a purification process needs to be carried out on the produced droplet generated oil, so that the droplet generated oil meets the requirements, and the existing purification and purification method for the droplet generated oil comprises the following steps: the method comprises the steps of subpackaging liquid drop generated oil obtained by reaction into a centrifuge bottle, adding one tenth of ethanol into the centrifuge bottle, shaking evenly for centrifugation, sucking and discarding impurity liquid on the upper layer of the centrifuge tube by a dropping liquid tube after centrifugation, then adding ethanol into the centrifuge tube to suck and discard impurity liquid on the upper layer, and repeatedly purifying for multiple times to obtain 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 method for purifying the oil generated by the liquid drops is as follows:
a method for purifying liquid drop generating oil comprises the following steps:
step A, preparing, namely adding liquid drop generating oil liquid generated by reaction into a centrifugal pipe, and adding a solvent, wherein the density of the solvent is less than that of the liquid drop generating oil and is not dissolved with the liquid drop generating oil;
step B, centrifuging, namely centrifuging a centrifuge tube filled with the droplet generating oil and the solvent, wherein after centrifugation, impurities in the droplet generating oil are adsorbed into the solvent to form obvious layering, the lower layer is the purified droplet generating oil, and the upper layer is impurity liquid;
step C, separation, namely separating the liquid drop generated oil and the impurity liquid in the centrifugal tube, and separating and sucking the purified liquid drop generated oil by using a liquid sucking component;
and D, collecting, namely collecting the sucked liquid drop generating oil and the residual impurity liquid in the centrifugal tube respectively.
Further, the step C comprises the following steps:
c1, preparing separation, namely pushing the liquid suction handle rod and the sliding plug to the bottom of the liquid suction tube, and pushing the suspension plate to the upper side of the liquid suction needle tube;
c2, putting the liquid absorption assembly, placing the end part of a liquid absorption needle tube of the liquid absorption assembly at a position corresponding to a liquid absorption platform at the bottom of the centrifuge tube, and putting the suspension plate into the centrifuge tube, so that the suspension plate moves to an interface where liquid drops generate oil and impurity liquid under the action of gravity;
c3, separating the oil generated by the liquid drops, and pulling the liquid absorption handle rod to separate and extract the oil generated by the liquid drops on the lower layer of the centrifugal tube;
and C4, taking out the liquid absorption assembly, and taking out the liquid absorption assembly carrying the droplet generation oil from the centrifugal tube.
Further, the density of the suspension plate is smaller than that of the liquid drop generating oil and larger than that of the impurity liquid, and the solvent is ethanol.
Further, the step C3 specifically includes: pulling imbibition handle pole separates the extraction to the liquid drop formation oil of centrifuging tube lower floor, liquid drop formation oil passes through in imbibition passageway gets into imbibition needle tubing and the imbibition tube, along with reducing gradually of interface, the synchronous follow interface of suspension board moves down along imbibition needle tubing, when the interface reduces the position of the tip that is close to the imbibition needle tubing, the suspension board removes the position of imbibition needle tubing tip, and the ball sealer cooperates with imbibition passageway, firmly laminate the ball sealer under the action of gravity of ball sealer and the suction of imbibition passageway department and adsorb in imbibition passageway department, thereby separate the imbibition from the centrifuging tube with liquid drop formation oil and take out.
The method for purifying the oil generated by the liquid drops has the following advantages: inhale away miscellaneous liquid for prior art from the top of centrifuging tube and reach the purpose of purification, and this application is through the liquid drop formation oil separation of the intraductal lower floor of centrifuging after will centrifugating and comes out the purpose that reaches the proposition, in addition this application in the imbibition needle tubing be the crew cut setting, the bottom of centrifuging tube is provided with corresponding imbibition platform, make the operation convenient more convenient and fast, simultaneously also make to have reduced the remaining of liquid drop formation oil in centrifuging tube 1, the stability of liquid drop formation oil output has been guaranteed, also control the separation of liquid drop formation oil and miscellaneous liquid more easily, the product quality of liquid drop formation oil has been improved, in addition the setting of imbibition passageway and suspended plate, at purification in-process ball sealer and imbibition passageway automatic fit, seal up imbibition passageway shutoff, can prevent to inhale miscellaneous liquid, greatly reduced operating personnel misoperation's risk, rate when having improved the purification greatly simultaneously, purification efficiency has been improved.
Drawings
FIG. 1 is a schematic view of a droplet generation oil purification apparatus;
FIG. 2 is a schematic structural view of a liquid-absorbing needle tube and the bottom of a centrifuge tube of the liquid drop generating oil purifying apparatus;
FIG. 3 is a schematic structural view of a liquid-absorbing needle tube and a suspension plate of the droplet-generating oil purifying apparatus;
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 diagram of a second droplet generation oil purification method of the present invention;
the symbols in the figure illustrate: 1. centrifuging the tube; 11. a liquid suction platform; 12. a liquid suction groove; 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 rod; 4. droplet forming oil; 5. mixing liquid; 6. a suspension plate; 61. a cavity; 62. and (4) sealing the ball.
Detailed Description
For better understanding of the objects, structure and function of the present invention, a method for purifying droplet generating oil of the present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1, a device used in the method for purifying droplet-generating oil of the present application, the device includes a centrifuge tube 1 and a pipette assembly, the pipette assembly includes a pipette tube 2 and a pipette tube 3, the pipette tube 3 is connected and communicated with the pipette tube 2, a sliding plug 31 is disposed in the pipette tube 3, the sliding plug 31 can slide in the pipette tube 3, a pipette handle rod 32 is connected to the upper end of the sliding plug 31, the sliding plug 31 can be driven to slide in the pipette tube 3 by pulling or pushing the pipette handle rod 32, the effective volume of the pipette tube 3 is greater than that of the centrifuge tube 1, that is, the pipette assembly can suck all droplet-generating oil 4 in the centrifuge tube 1 into the pipette tube 3 at one time, the number of pipettes is reduced, the operation is simplified, the efficiency is improved, furthermore, the length of the pipette tube 2 is greater than that of the centrifuge tube 1, that is, and the end of the pipette tube can extend to the bottom of the centrifuge tube 1.
As shown in fig. 4, in combination with the droplet-generating oil apparatus, the method for purifying droplet-generating oil of the present application includes the following steps:
step A, preparation, namely adding liquid drop generating oil liquid 4 generated by reaction into a centrifugal tube 1, and adding a certain amount of corresponding solvent which is not dissolved with the liquid drop generating oil 4;
step B, centrifuging, namely centrifuging the centrifuge tube filled with the droplet formation oil 4 and the solvent, and after centrifuging, adsorbing impurities in the droplet formation oil 4 into the solvent to form obvious layering;
step C, separation, namely separating the droplet generation oil and the impurity liquid in the centrifugal tube, and sucking the purified droplet generation separation oil 4 by using a liquid sucking component;
and D, collecting, namely collecting the sucked liquid drop generating oil 4 and the residual impurity liquid 5 in the centrifugal tube respectively.
In step B, the lower layer in the centrifuge tube 1 is the purified droplet formation oil 4, and the upper layer is the impurity solution 5.
As shown in fig. 2-3, in order to further improve the quality and purity of the droplet generating oil 4 and reduce the residue of the droplet generating oil 4 in the centrifuge tube 1, a liquid suction platform 11 is disposed at the bottom of the centrifuge tube 1, the bottom of the centrifuge tube 1 is tapered, the end of the liquid suction needle tube 2 is flat-head-shaped, the end of the liquid suction needle tube 2 is matched with the liquid suction platform 11, a side wall extends upwards from the side edge of the liquid suction platform 11, the end of the side wall is connected with the inclined surface at 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 cross-sectional area of the liquid suction groove 12 is far smaller than the cross-sectional areas of the centrifuge tube 1 and the inclined surface at 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 contact with the liquid suction platform 11, and a gap is left between the liquid suction needle tube 2 and the side wall of the liquid suction groove 12.
The cover is equipped with suspension plate 6 on imbibition needle tubing 2, suspension plate 6 is the ring form, the diameter of the middle through-hole of suspension plate 6 and the excircle diameter phase-match of imbibition needle tubing 2, suspension plate 6 can be followed imbibition needle tubing 2 and slided from top to bottom, suspension plate 6 is inside to be provided with cavity 61, be provided with ball sealer 62 in cavity 61, cavity 61 is in the inside slope setting of suspension plate 6, the one end of cavity 61 is linked together with the through-hole in the middle of the suspension plate 6, the inside size and the ball sealer 62 phase-match of cavity 61, ball sealer 62 can slide and roll in cavity 61, the one end of cavity 61 and the middle through-hole intercommunication of suspension plate 6 is less than the other end that is located suspension plate 6 inside, consequently ball sealer 62 is located the lower one end in cavity 61 position all the time under the action of gravity, and keep ball sealer 62 and imbibition needle tubing 2 to contact.
In this embodiment, a circular imbibition channel 21 is disposed at an end of the imbibition needle tube 2, and the bottom of the imbibition needle tube 2 is sealed by a sealing plate 23, a circular imbibition channel 21 is disposed at a side surface, an arc edge is disposed at one end of the imbibition needle tube 2 of the imbibition channel 21, and the arc edge is matched with a sealing ball 62, when the suspension plate 6 moves to the end of the imbibition needle tube 2, the sealing ball 62 is just attached to the imbibition channel 21 and plays a role in sealing the imbibition channel 21, so that the sealing ball 62 can be matched with the imbibition channel 21 when moving to the bottom of the imbibition needle tube 2, a guide groove 22 is disposed above the imbibition channel 21 and outside the imbibition needle tube 2, the guide groove 22 is arc-shaped, when the suspension plate 6 moves on the imbibition needle tube 2, the sealing ball 62 is matched with the guide groove 22, the sealing ball 62 correspondingly moves along the guide groove 22, and the suspension plate 6 is prevented from rotating in the axial direction of the needle tube 2, which can ensure that the sealing ball 62 is just located at the position of the imbibition channel 21 when the suspension plate 6 moves to the end of the needle tube 21.
It should be noted that the density of the whole suspension plate 6 in this embodiment is smaller than the density of the droplet generating oil 4 and larger than the density of the impurity liquid 5, so that the suspension plate 6 can be suspended at the position of the interface between the droplet generating oil 4 and the impurity liquid 5, that is, the upper part of the suspension plate 6 is located in the impurity liquid 5 and the lower part is located in the droplet generating oil 4, the suspension plate 6 can move in the direction of the liquid suction needle tube 2 following the movement of the interface, and during the movement of the suspension plate 6 along the liquid suction needle tube 2, the density of the sealing ball 62 is larger than the density of the droplet generating oil 4 and the density of the impurity liquid 5 at the same time, the edge of the sealing ball 62 contacts with the outer side surface of the liquid suction needle tube 2 under the action of gravity, and during the movement, the sealing ball 62 also slides or rolls along the liquid suction needle tube 2, and the suspension plate 6 can also move into the liquid suction groove 12.
As further shown in fig. 5, step C of the method for purifying a droplet-forming oil of the present application specifically includes the following steps
C1, separation preparation, namely 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, putting the 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 putting the suspension plate 6 into the centrifuge tube, so that the suspension plate 6 moves to an interface of the liquid drop generation oil 4 and the impurity liquid 5 under the action of gravity;
c3, separating the liquid drop generated oil, pulling the liquid absorption handle rod 32 to separate and extract the liquid drop generated oil 4 on the lower layer of the centrifuge tube 1, enabling the liquid drop generated oil 4 to enter the liquid absorption needle tube 2 and the liquid absorption tube 3 through the liquid absorption channel 21, enabling the suspension plate 6 to synchronously move downwards along the liquid absorption needle tube 2 along with the gradual reduction of the interface, enabling the suspension plate 6 to move to the position of the end of the liquid absorption needle tube 2 when the interface is lowered to the position close to the end of the liquid absorption needle tube 2, enabling the sealing ball 62 to be matched with the liquid absorption channel 21, enabling the sealing ball 62 to be firmly attached to and adsorbed at the liquid absorption channel 21 under the action of the gravity of the sealing ball 62 and the suction force at the liquid absorption channel 21, and accordingly separating and absorbing the liquid drop generated oil from the centrifuge tube.
And C4, taking out the liquid absorption assembly, and taking out the liquid absorption assembly carrying the droplet generation oil 4 from the centrifugal tube.
The utility model provides a liquid drop generates oil and carries pure method, for prior art from centrifuge tube 1's top with miscellaneous liquid 5 siphoning away the purpose that reaches the purification, and this application is through the liquid drop of the lower floor in centrifuge tube 1 after will centrifugating generates oil 4 and separates out the purpose that reaches the suggestion, in addition this application in imbibition needle tubing 2 is the crew cut setting, centrifuge tube 1's bottom is provided with corresponding imbibition platform 11, make the operation convenient more convenient and fast, simultaneously also make the drop generate oil 4 remain in centrifuge tube 1, the stability of liquid drop generate oil 4 output has been guaranteed, also more easily control the separation of liquid drop generate oil 4 and miscellaneous liquid 5, the product quality of liquid drop generate oil 4 has been improved, in addition imbibition passageway 21 and suspension plate 6's setting, at purification in-process sealed ball 62 and 21 auto-match of imbibition passageway 21, imbibition passageway 21 shutoff seals imbibition, can prevent to inhale miscellaneous liquid 5, the risk of operating personnel operation error has been greatly reduced, speed when having improved the purification simultaneously, purification efficiency is improved.
It is to be understood that the present invention has been described with reference to certain embodiments, and that various changes in the features and embodiments, or equivalent substitutions may be made therein 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 oil generated by liquid drops is characterized by comprising the following steps:
step A, preparation, namely adding liquid of droplet generation oil (4) generated by reaction into a centrifugal tube (1), and adding a solvent, wherein the density of the solvent is less than that of the droplet generation oil (4) and is not dissolved with the droplet generation oil (4);
step B, centrifuging, namely centrifuging the centrifuge tube (1) filled with the droplet generating oil (4) and the solvent, wherein after centrifugation, impurities in the droplet generating oil (4) are adsorbed into the solvent to form obvious layering, the lower layer is the purified droplet generating oil (4), and the upper layer is the impurity liquid (5);
step C, separation, namely separating the droplet generation oil (4) and the impurity liquid (5) in the centrifugal tube (1), and separating and sucking the purified droplet generation oil (4) by using a liquid sucking component;
and D, collecting, namely collecting the sucked liquid drop generating oil (4) and the residual impurity liquid (5) in the centrifugal tube (1) respectively.
2. The method for purifying droplet generation oil according to claim 1, wherein the step C comprises the following steps:
c1, preparing separation, namely 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 a liquid suction needle tube (2);
c2, putting the liquid absorption assembly, placing the end part of a liquid absorption needle tube (2) of the liquid absorption assembly at a position corresponding to a liquid absorption platform (11) at the bottom of the centrifuge tube (1), and putting the suspension plate (6) into the liquid absorption assembly, so that the suspension plate (6) moves to the interface of the liquid drop generation oil (4) and the impurity liquid (5) under the action of gravity;
c3, separating the liquid drop generated oil (4), and pulling the liquid absorption handle rod (32) to separate and extract the liquid drop generated oil (4) at the lower layer of the centrifugal tube (1);
and C4, taking out the liquid absorption assembly, and taking out the liquid absorption assembly carrying the liquid droplet generation oil (4) from the centrifugal tube (1).
3. A method for purifying droplet generation oil according to claim 2, wherein the density of the suspension plate (6) is lower than the density of the droplet generation oil (4) and higher than the density of the impurity liquid (5).
4. A method of purifying a droplet forming oil according to claim 3, wherein the solvent is ethanol.
5. The method for purifying droplet generation oil according to claim 4, wherein the step C3 specifically comprises: the liquid suction handle rod (32) is pulled to separate and extract the 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 reduction of the interface, when the interface is reduced 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), the sealing ball (62) is firmly attached to the liquid suction channel (21) under the gravity of the sealing ball (62) and the suction force at the liquid suction channel (21), and the liquid drop generated oil (4) is separated, sucked and extracted 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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| CN115475412B CN115475412B (en) | 2024-02-02 |
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| CN115475412B (en) | 2024-02-02 |
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