CN212524152U - Multi-mouth flask for polymerization reaction - Google Patents
Multi-mouth flask for polymerization reaction Download PDFInfo
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- CN212524152U CN212524152U CN202021080875.4U CN202021080875U CN212524152U CN 212524152 U CN212524152 U CN 212524152U CN 202021080875 U CN202021080875 U CN 202021080875U CN 212524152 U CN212524152 U CN 212524152U
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Abstract
The utility model provides a many mouthfuls of flasks for polymerization, a many mouthfuls of flasks for polymerization includes at least: a flask body; the first flask mouth part is positioned at the upper part of the flask body; a second flask opening part located at an upper part of the flask body, one end of the second flask opening part extending to the inner side of the flask body, and the other end protruding to the outer side of the flask body; the distance that the second flask mouth portion extends to the inner side of the flask body accounts for 1/4-1/2 of the flask body. According to the utility model provides a many mouthfuls of flasks for polymerization has effectively improved reaction system's stability and security, and has made polymerization more abundant, high-efficient, improves product quality.
Description
Technical Field
The utility model belongs to the technical field of chemical experiment equipment, concretely relates to many mouthfuls of flasks for polymerization.
Background
The flask is a glass instrument frequently used in chemical experiments, mainly has the functions of containing various chemical liquids and carrying out mixing reaction of various chemical substances, particularly, when polymerization reaction is carried out, large vortex can be formed in the stirring process of the solution, a large amount of bubbles and negative pressure can be generated in the flask, so that the safety and the stability are reduced, and simultaneously, the viscosity of a system is increased along with the reaction, the phenomenon of rod climbing is easily formed, so that the problem of insufficient reaction and the like is solved.
Therefore, it is necessary to provide a multi-neck flask container for polymerization, which can improve the stability and safety of the reaction system, adapt to the reaction process of the polymerization, make the polymerization more uniform and complete, and improve the polymerization quality and efficiency.
SUMMERY OF THE UTILITY MODEL
In view of various defects in the prior art at present, the utility model aims to provide a many mouthfuls of flasks for polymerization, many mouthfuls of flasks have improved reaction system's stability and security, and make polymerization more abundant, high-efficient, improve product quality.
To achieve the above and other related objects, the present invention provides a multiple neck flask for polymerization, comprising at least: a flask body; the first flask mouth part is positioned at the upper part of the flask body; a second flask opening part located at an upper part of the flask body, one end of the second flask opening part extending to the inner side of the flask body, and the other end protruding to the outer side of the flask body; the distance that the second flask mouth portion extends to the inner side of the flask body accounts for 1/4-1/2 of the flask body.
In some embodiments of the present invention, the second flask mouth portion is a hollow tube having a diameter of 1-3 cm.
In some embodiments of the present invention, the second flask opening is a double-layer vacuum glass tube.
In some embodiments of the present invention, the second flask opening is obliquely arranged on the flask body.
In some embodiments of the present invention, the second flask mouth protrudes to the outside of the flask body by a distance of 1-5 cm.
In some embodiments of the present invention, the second flask opening portion includes a spiral tube, and the spiral tube is attached to an inner side wall of the second flask opening portion.
In some embodiments of the present invention, the multi-neck flask for polymerization further comprises a third flask mouth portion, and the third flask mouth portion is located at the upper portion of the flask body.
In some embodiments of the present invention, the third flask opening is obliquely arranged on the flask body.
In some embodiments of the present invention, the multi-neck flask for polymerization further comprises a pressure monitoring tube connected to the flask body, and a pressure gauge and a pressure release valve are disposed at the end of the pressure monitoring tube.
In some embodiments of the present invention, the multiple-neck flask for polymerization is an integrally formed glass flask.
As mentioned above, according to the utility model provides a many mouthfuls of flasks for polymerization utilizes and forms a plurality of flask oral area on the flask body, and wherein the one end of second flask oral area is extended to the inboard, and the other end is outside to the side to when carrying out polymerization, solution produces the resistance because of striking this second flask oral area in the flask, avoids producing a large amount of bubbles in the reaction process, and reduces the negative pressure in the bottle, simultaneously in polymerization's later stage, utilizes the utility model provides a many mouthfuls of flasks can prevent to lead to the emergence of solution climbing pole phenomenon because of viscosity grow in the reaction process for polymerization is more abundant, improves product quality. The utility model discloses a many mouthfuls of flasks light in weight, convenient operation, long service life, safe and reliable, and the commonality is strong.
Drawings
FIG. 1 is a schematic structural diagram of a multi-neck flask for polymerization according to an embodiment of the present invention.
FIG. 2 is a schematic view showing the structure of another embodiment of the second flask mouth part of the multi-mouth flask used for polymerization.
FIG. 3 is a view showing a state in which the multi-neck flask for polymerization according to the present invention is used.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention.
Please refer to fig. 1 to 3. It should be understood that the structures, ratios, sizes, etc. shown in the drawings attached to the present specification are only used for matching with the contents disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any modification of the structures, changes of the ratio relationship, or adjustment of the size should still fall within the scope that the technical contents disclosed in the present invention can cover without affecting the efficacy that the present invention can produce and the purpose that the present invention can achieve. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.
As shown in fig. 1 to 3, the multi-neck flask for polymerization provided by the present invention can be used as a reaction vessel for polymerization including but not limited to homopolymerization, copolymerization, bulk polymerization, suspension polymerization, solution polymerization, emulsion polymerization, anionic polymerization, cationic polymerization, etc., and provides a reaction site for the polymerization, thereby substantially improving the efficiency and quality of the polymerization. The multi-mouth flask comprises a flask body 1, a first flask mouth part 2 and a second flask mouth part 3.
As shown in fig. 1, the flask body 1 is, for example, a ball-type bottle, and the inside of the ball-type bottle is used for placing a solution, specifically, raw materials in the polymerization reaction process, and further, a stirring paddle in the polymerization reaction process can be allowed to be placed, so that the solution is reacted and mixed uniformly, and the reaction rate is increased.
For example, a round-bottom glass flask may be used as the flask main body 1, so that the flask main body 1 is transparent, thereby facilitating the reaction state in the flask main body 1 to be clearly seen and facilitating cleaning after the reaction is completed. Of course, the flask is not limited thereto, and a flask made of other material, for example, a polytetrafluoroethylene flask, may be selected according to actual needs, and the flask main body 1 may have various specifications, for example, 50mL, 100mL, 250mL, 500mL, and the like.
As shown in fig. 1, the multi-neck flask further comprises a first flask mouth portion 2, the first flask mouth portion 2 is located at the upper part of the flask body 1 and protrudes to the outside of the flask body 1, the first flask mouth portion 2 is used for performing inside and outside replacement on the solution in the flask body 1, the inner side of the first flask mouth portion 2 is provided with a ground mouth to improve sealing performance when a bottle plug is covered, and the first flask mouth portion 2 has a caliber of, for example, 10#, 14#, 19#, 24#, 29#, 34# and the like, thereby improving universality of the multi-neck flask. The height of the first flask opening 2 protruding outside the flask body 1, that is, the height of the first flask opening 2 is, for example, 1 to 5cm, for example, 1cm, 2cm, 3cm, 4cm, or 5 cm.
As shown in fig. 1 and 3, the first flask opening 2 is vertically disposed on the upper portion of the flask body 1, for example, so that after the raw material is conveniently added, a stirring device 5, such as a magnetic stirrer and a magnetic stirrer, is framed at the first flask opening 2, a stirring blade of the magnetic stirrer is fixed on the first flask opening 2 through a rubber plug, and a stirring rate of the magnetic stirrer can be selected according to actual needs of the polymerization reaction.
As shown in fig. 1, the multiple-neck flask further comprises a second flask mouth part 3, the second flask mouth part 3 is positioned at the upper part of the flask body 1, one end of the second flask mouth part 3 extends towards the inner side of the flask body 1, the other end protrudes towards the outer side of the flask body 1, so that the second flask mouth part 3 forms a hollow pipe, the second flask mouth part extends towards the inner side of the flask body for a distance of 1/4-1/2 of the flask body, and further within a range of 1/3-2/3, so that when a solution is filled into the flask body 1 during a normal polymerization reaction, one end of the second flask mouth part 3 can extend into the liquid surface, and vortices and bubbles generated by stirring of the polymerization reaction impact the second flask mouth part 3 during stirring, and resistance gradually disappears, thereby reducing the negative pressure in the flask body 1, the safety and stability are improved, furthermore, in the later stage of the polymerization reaction, the viscosity of the solution is weakened under the shearing action of the stirring device and the blocking action of the second flask opening part 3, the phenomenon that the solution climbs a rod is prevented, and the polymerization reaction, particularly the copolymerization reaction is more sufficient.
As shown in fig. 1 and 3, the second flask mouth part 3 protrudes to the outside of the flask body 1 by a distance of 1 to 10cm, for example, 1cm, 2cm, 3cm, 4cm, 5cm, 8cm, 10cm, the second flask mouth part 3 is a hollow tube having a diameter of 1 to 3cm, for example, 1cm, 2cm, 3cm, and the inside of the tube mouth is ground, thereby improving sealability when the bottle stopper is capped. Further, the hollow pipe can be a double-layer glass pipe, for example, a thermometer 6 can be sleeved inside the double-layer glass pipe, the thermometer can be fastened through an external bracket 7, such as an iron stand, a stabilizing device and the like, so as to monitor the reaction temperature of the polymerization reaction, and the outer part of the double-layer glass pipe is thick and hard, and can effectively resist unexpected impact from a stirring paddle.
As shown in fig. 2, in another embodiment of the present invention, in order to further prevent the phenomenon of the solution in the flask body 1 from climbing the rod and splashing, the inner side of the second flask opening 3 may be provided with a spiral tube 31, and the spiral tube 31 is attached to the inner side wall of the second flask opening 3, so that the polymerization reaction is more uniform and efficient.
As shown in fig. 1, the second flask mouth 3 is obliquely arranged on the flask body 1 and keeps a certain distance from the first flask mouth 2, so that the collision with the third flask mouth 3 is avoided when a stirring paddle is constructed, and the practicability of the multi-mouth flask is improved. The inclined angle of the second flask opening 3 is 20-60 degrees, such as 20 degrees, 40 degrees, and 60 degrees, so that the second flask opening 3 can contact and extend into the center of the liquid level.
As shown in fig. 1, the multi-neck flask may further include a third flask mouth portion 4, the third flask mouth portion 4 is vertically or obliquely disposed on the upper portion of the flask body 1, and protrudes to the outside of the flask body 1, and the third flask mouth portion 4 is obliquely disposed on the flask body 1 and keeps a certain distance from the first flask mouth portion 2 and the second flask mouth portion 3 based on the angle of improving the utilization rate and safety of raw materials, so that the third flask mouth portion 4 can be used for adding raw materials such as solution, the smoothness of the feeding process is improved, and the splashing phenomenon when the solution is vertically added is avoided.
The third flask mouth part 4 has a ground mouth on the inner side to improve the sealing performance when a bottle plug is covered, and the first flask mouth part 2 has the caliber of the specification such as 10#, 14#, 19#, 24#, 29#, 34# and the like, so that the universality of the multi-mouth flask is improved. The height of the first flask opening 2 protruding outside the flask body 1, that is, the height of the first flask opening 2 is, for example, 1 to 5cm, for example, 1cm, 2cm, 3cm, 4cm, or 5 cm.
The utility model discloses an in another embodiment, many mouthfuls of flasks can also include a pressure monitoring pipe (not shown in the figure), pressure monitoring pipe intercommunication flask body 1's inside, the end of pressure monitoring pipe is equipped with the manometer, can monitor the pressure in flask body 1 at any time, guarantees that chemical reaction's safety goes on. Still be equipped with the relief valve on the pressure monitoring pipe and can use the relief valve to carry out the pressure release to it when the flask body internal pressure is too high, guarantee that the safety of experiment goes on.
Before the polymerization operation, the multi-neck flask is, for example, fixed in an oil bath heating apparatus, and the polymerization operation is started by setting the stirring apparatus 5 through the first flask mouth portion 2, setting the thermometer 6 through the second flask mouth portion 3, setting the holder 7, and adding the raw materials for the polymerization reaction, for example, the polymerization monomer, the catalyst, the solvent, etc., into the flask main body 1 through the third flask mouth portion 4 to seal the multi-neck flask.
As described above, according to the utility model provides a many mouthfuls of flasks for polymerization utilizes to form a plurality of flask oral area on the flask body, and wherein the one end of second flask oral area is extended to the inboard, and the other end is outstanding to the outside, thereby when carrying out polymerization reaction, along with the going on of reaction, solution produces the resistance because of striking this second flask oral area in the flask, thereby makes a large amount of bubbles of original production slowly disappear, and the negative pressure in the bottle reduces, simultaneously in polymerization reaction's later stage, utilizes the utility model provides a many mouthfuls of flasks can prevent to lead to the emergence of solution pole climbing phenomenon because of viscosity grow in the reaction process for polymerization reaction is more abundant, improves product quality. The utility model discloses a many mouthfuls of flasks light in weight, convenient operation, long service life, safe and reliable, and the commonality is strong.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (10)
1. A multiple neck flask for polymerization reactions, comprising at least:
a flask body;
the first flask mouth part is positioned at the upper part of the flask body;
a second flask opening part located at the upper part of the flask body, wherein one end of the second flask opening part extends towards the inner side of the flask body, and the other end protrudes towards the outer side of the flask body;
the distance that the second flask mouth portion extends to the inner side of the flask body accounts for 1/4-1/2 of the flask body.
2. A multi-neck flask for polymerization according to claim 1 wherein the second flask mouth portion is a hollow tube having a diameter of 1-3 cm.
3. A multi-neck flask for polymerization according to claim 2 wherein the second flask mouth portion is a double layer vacuum glass tube.
4. A multiple neck flask for polymerization according to claim 1 wherein said second flask mouth is disposed obliquely to said flask body.
5. A multi-necked flask for polymerization according to claim 1, wherein the second flask mouth portion protrudes outward of the flask body by a distance of 1 to 5 cm.
6. A multi-neck flask for polymerization according to claim 1, wherein said second flask mouth portion comprises a spiral tube, said spiral tube engaging an inner sidewall of said second flask mouth portion.
7. The multiple-neck flask for polymerization according to claim 1, wherein the multiple-neck flask for polymerization further comprises a third flask mouth portion, and the third flask mouth portion is positioned at the upper portion of the flask body.
8. A multiple neck flask for polymerization according to claim 7, wherein said third flask mouth is obliquely disposed on said flask body.
9. The multiple-neck flask for polymerization according to claim 1, further comprising a pressure monitoring tube connected to the flask body, wherein the pressure monitoring tube is provided with a pressure gauge and a pressure relief valve.
10. A multi-neck flask for polymerization according to any one of claims 1 to 9, wherein the multi-neck flask for polymerization is an integrally formed glass flask.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021080875.4U CN212524152U (en) | 2020-06-12 | 2020-06-12 | Multi-mouth flask for polymerization reaction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021080875.4U CN212524152U (en) | 2020-06-12 | 2020-06-12 | Multi-mouth flask for polymerization reaction |
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| Publication Number | Publication Date |
|---|---|
| CN212524152U true CN212524152U (en) | 2021-02-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021080875.4U Active CN212524152U (en) | 2020-06-12 | 2020-06-12 | Multi-mouth flask for polymerization reaction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212524152U (en) |
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- 2020-06-12 CN CN202021080875.4U patent/CN212524152U/en active Active
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