CN216826250U - Device for quickly transferring and accurately measuring sensitive low-boiling-point liquid - Google Patents

Device for quickly transferring and accurately measuring sensitive low-boiling-point liquid Download PDF

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Publication number
CN216826250U
CN216826250U CN202220127671.4U CN202220127671U CN216826250U CN 216826250 U CN216826250 U CN 216826250U CN 202220127671 U CN202220127671 U CN 202220127671U CN 216826250 U CN216826250 U CN 216826250U
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CN
China
Prior art keywords
fixed mounting
liquid
syringe needle
sensitive low
mobile phase
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Expired - Fee Related
Application number
CN202220127671.4U
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Chinese (zh)
Inventor
周中高
李静
何鹏
谢倩
刘宇龙
徐国海
路东亮
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Gannan Normal University
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Gannan Normal University
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Priority to CN202220127671.4U priority Critical patent/CN216826250U/en
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Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a quick device of getting sensitive low boiling liquid with accurate volume of shifting relates to the glass instrument device technical field of the relevant special specification of sensitive low boiling compound, specifically including mobile phase solvent bottle, the interior roof joint of mobile phase solvent bottle has the sealing plug, and one side fixed mounting of sealing plug upper surface has short syringe needle, and the opposite side fixed mounting of sealing plug upper surface has long syringe needle, the pipe that the top fixed mounting of long syringe needle had, and the one end fixed mounting of pipe has the gas washing bottle. The liquid transferring and measuring device fully utilizes the gas pressure of the added inert gas, can control the speed of transferring and measuring the liquid by controlling the liquid stopping clamp according to the volume of different transferring and measuring objects, and simultaneously adopts the inert atmosphere pressurization mode to completely transfer the liquid into the two-mouth round-bottom flask; the liquid storage ball is arranged, so that the yield reduction caused by gas overflow due to over severe reaction can be prevented, and safety accidents are caused.

Description

Device for quickly transferring and accurately measuring sensitive low-boiling-point liquid
Technical Field
The utility model relates to a glass instrument technical field of the relevant special specification of sensitive low boiling point compound specifically is a device of sensitive low boiling point liquid is got to quick transfer and accurate volume.
Background
With the rapid development of the chemical industry, more and more compounds are synthesized by using sensitive low-boiling point compounds, which has attracted extensive attention in the fields of pharmacy, material synthesis, national defense and scientific research. For example, in the organic chemical synthesis process, the use of sensitive low-boiling point liquid is common, but the general organic chemical reaction synthesis equipment is obviously not applicable, so that special instruments and complicated operation means are used in the relevant compound laboratory synthesis process.
However, in the actual use process, the conventional device for quickly transferring and accurately measuring the sensitive low-boiling-point liquid mostly adopts a vacuum glove box or transfers and measures the liquid through an injector to be directly injected into a reaction system, the vacuum glove box is expensive, large in occupied area, complex in operation and high in daily maintenance cost, the inner space of the vacuum glove box is limited, a large-scale refrigerating device cannot be placed in the vacuum glove box, and the liquid transferred and measured through the injector is directly injected into the reaction system, the volume of the injector is limited, and multiple sampling is usually needed, so that the sensitive low-boiling-point liquid is easily contacted with oxygen and water vapor in the air to cause deterioration or leakage of reactants, further reaction failure is caused, and safety accidents are caused.
SUMMERY OF THE UTILITY MODEL
Solves the technical problem
Not enough to prior art, the utility model provides a quick transfer get device of sensitive low boiling liquid with accurate volume has solved the problem of proposing among the above-mentioned background art.
Technical scheme
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a device of sensitive low boiling liquid is got with accurate volume to quick transfer, includes mobile phase solvent bottle, the interior roof joint of mobile phase solvent bottle has the sealing plug, one side fixed mounting of sealing plug upper surface has short syringe needle, the opposite side fixed mounting of sealing plug upper surface has long syringe needle, the pipe of the top fixed mounting of long syringe needle, the one end fixed mounting of pipe has the gas washing bottle, the output fixed mounting of gas washing bottle has the connecting pipe, the one end fixed mounting of connecting pipe has the refrigerator, the output fixed mounting of refrigerator has the discharge pipe, the one end fixed mounting of discharge pipe has the connecting needle.
Optionally, the middle parts of the catheter and the connecting pipe are fixedly provided with a liquid stopping clamp, and one end of the connecting needle head is connected with a dustproof plug in a penetrating manner.
Optionally, dustproof stopper joint has two mouthfuls of flasks, the top joint of two mouthfuls of flasks has ground mouthful storage liquid ball, some back joints of bleeding of top joint of ground mouthful storage liquid ball.
Optionally, an air stop valve is arranged in the middle of the rear air exhaust joint, reading scales are arranged on the surface of the air washing bottle, and an ice bath kettle is arranged outside the two-mouth flask.
Optionally, a serpentine conduit is arranged inside the refrigerator, the refrigerator is communicated with the connecting pipe through one end of the serpentine conduit, and the refrigerator is communicated with the discharge pipe through the other end of the serpentine conduit.
Optionally, the short needle and the long needle are both connected to the sealing plug in a penetrating manner and communicated with the mobile phase solvent bottle, the bottom end of the short needle is arranged above the liquid level of the solution in the mobile phase solvent bottle, and the top end of the long needle is arranged below the liquid level of the solution in the mobile phase solvent bottle.
Optionally, the inside wall on mill's mouth liquid storage ball top and the lateral wall of bottom, the surface of back joint bottom of bleeding and the inside wall on two mouthfuls of flasks tops all are equipped with the adaptation mill mouth.
Advantageous effects
The utility model provides a quick transfer get device of sensitive low boiling liquid with accurate volume possesses following beneficial effect:
this quick transfer gets device of sensitive low boiling liquid with accurate volume has following beneficial effect with novel:
compared with the traditional sensitive liquid transfer device, the utility model has the obvious characteristics of low price, easy obtaining, safety and convenient use, does not need to contact oxygen and water vapor in the air in the transfer and measurement process, can quickly complete the whole transfer process, and can accurately control the whole transfer and measurement process due to the use of the gas washing bottle with scales, thereby greatly facilitating the transfer and measurement of liquid; in addition, the liquid transferring and measuring device fully utilizes the gas pressure of the added inert gas, can control the speed of transferring and measuring the liquid by controlling the liquid stopping clamp according to the volume of different transferring and measuring objects, and simultaneously adopts the inert atmosphere pressurization mode to completely transfer the liquid into the two-mouth round-bottom flask; the liquid storage ball is arranged, so that the yield reduction caused by gas overflow due to over severe reaction can be prevented, and safety accidents are caused.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic bottom view of the present invention;
FIG. 3 is a schematic structural view of the mobile phase solvent bottle and the sealing plug of the present invention;
FIG. 4 is an enlarged schematic view of the structure of FIG. 1 at A according to the present invention;
fig. 5 is a schematic sectional view of the refrigerator of the present invention.
In the figure: 1-mobile phase solvent bottle, 2-sealing plug, 3-short needle, 4-long needle, 5-conduit, 6-gas washing bottle, 7-connecting pipe, 8-refrigerator, 9-discharging pipe, 10-connecting needle, 11-liquid stopping clip, 12-dust-proof plug, 13-two-mouth flask, 14-ground liquid storage ball, 15-rear air-extracting joint, 16-ice bath kettle and 17-snake-shaped conduit.
Detailed Description
The structure, proportion, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and the modification of any structure, the change of proportion relation or the adjustment of size all fall within the range which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the purpose which can be achieved by the present invention.
Referring to fig. 1 to 5, the present invention provides a technical solution: the utility model provides a device of sensitive low boiling point liquid is got with accurate volume to quick transfer, including mobile phase solvent bottle 1, the interior roof joint of mobile phase solvent bottle 1 has sealing plug 2, one side fixed mounting of sealing plug 2 upper surface has short syringe needle 3, the opposite side fixed mounting of sealing plug 2 upper surface has long syringe needle 4, the top fixed mounting's of long syringe needle 4 pipe 5, the one end fixed mounting of pipe 5 has gas washing bottle 6, gas washing bottle 6's output fixed mounting has connecting pipe 7, the one end fixed mounting of connecting pipe 7 has refrigerator 8, refrigerator 8's output fixed mounting has discharge pipe 9, the one end fixed mounting of discharge pipe 9 has connection syringe needle 10.
The short needle head 3 and the long needle head 4 are connected on the sealing plug 2 in a penetrating way and communicated with the mobile phase solvent bottle 1, the bottom end of the short needle head 3 is arranged above the liquid level of the solution in the mobile phase solvent bottle 1, the top end of the long needle head 4 is arranged below the liquid level of the solution in the mobile phase solvent bottle 1, the middle parts of the conduit 5 and the connecting pipe 7 are fixedly provided with a liquid stopping clamp 11, one end of the connecting needle head 10 is connected with a dustproof plug 12 in a penetrating way, the dustproof plug 12 is clamped with a two-mouth flask 13, the top end of the two-mouth flask 13 is clamped with a ground liquid storage ball 14, the top end of the ground liquid storage ball 14 is clamped with a rear air suction connector 15, the inner side wall and the outer side wall of the top end of the ground liquid storage ball 14, the outer surface of the bottom end of the rear air suction connector 15 and the inner side wall of the top end of the two-mouth flask 13 are provided with adaptive ground mouths, the middle part of the rear air suction connector 15 is provided with a gas stopping valve, the surface of the gas washing bottle 6 is provided with reading scales, an ice bath 16 is arranged outside the two-mouth flask 13, a snake-shaped conduit 17 is arranged inside the refrigerator 8, one end of the refrigerator 8 is communicated with the connecting pipe 7 through the snake-shaped conduit 17, and the other end of the refrigerator 8 is communicated with the discharge pipe 9 through the snake-shaped conduit 17.
The utility model discloses in, the device's working procedure as follows:
the worker installs the short needle 1, the mobile phase solvent bottle 2, the long needle 3, the liquid stopping clamp 4, the graduated gas washing bottle 5, the liquid stopping clamp 6, the refrigerator 7, the short needle 8, the ice bath pot 9, the two-mouth flask 10, the ground liquid storage ball 11, the rear air suction joint 12, the thread-free rubber plug 13, the conduit 14, the conduit 15 and the conduit 16 according to the figure 1, namely the reactor for quickly transferring and accurately measuring sensitive low-boiling-point liquid, then closes the liquid stopping clamp 11 on the conduit 5, opens the liquid stopping clamp 11 on the connecting pipe to be in an open state, then opens the air stopping valve on the rear air suction joint 15, then connects the rear air suction joint 15 with the vacuum pump, starts the vacuum pump to vacuumize for thirty seconds, then closes the air stopping valve on the rear air suction joint 15, and closes the vacuum pump, then connects the short needle 3 with the inert gas source conduit, and inserts the short needle into the sealing plug 2 on the mobile phase solvent bottle 1, ventilating for sixty seconds, then connecting the long needle 4 with the guide pipe 5, inserting the long needle 4 into a sealing plug 2 on the mobile phase solvent bottle 1, arranging the long needle 4 above the liquid level, opening a liquid stopping clamp 11 on the guide pipe 5, keeping ten seconds and then closing, repeating the steps for three times, filling inert gas into a reactor of sensitive low-boiling-point liquid, opening the liquid stopping clamp 11 on the guide pipe 5, a refrigerator 8 and an ice bath pot 16, arranging the long needle 4 below the liquid level, enabling the liquid in the mobile phase solvent bottle 1 to flow into a graduated gas washing bottle 6, immediately arranging the long needle 4 above the liquid level when the required volume is transferred and measured, enabling the liquid in the graduated gas washing bottle 6 to pass through the refrigerator 8, enabling the liquid to reach low temperature, entering a two-mouth flask 13, directly reacting, closing the liquid stopping clamp 11 on the guide pipe 5, pulling out the long needle 4, pulling out the short needle 3, and (4) closing the inert gas source, and pulling out the connecting needle head 10.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. A device for rapid transfer and accurate metering of sensitive low-boiling liquids, comprising a bottle (1) of mobile phase solvent, characterized in that: interior roof joint of mobile phase solvent bottle (1) has sealing plug (2), one side fixed mounting of sealing plug (2) upper surface has short syringe needle (3), the opposite side fixed mounting of sealing plug (2) upper surface has long syringe needle (4), pipe (5) that the top fixed mounting of long syringe needle (4) had, the one end fixed mounting of pipe (5) has gas washing bottle (6), the output fixed mounting of gas washing bottle (6) has connecting pipe (7), the one end fixed mounting of connecting pipe (7) has refrigerator (8), the output fixed mounting of refrigerator (8) has discharge tube (9), the one end fixed mounting of discharge tube (9) has connecting syringe needle (10).
2. The device for rapidly transferring and accurately measuring sensitive low-boiling-point liquid according to claim 1, wherein: the middle parts of the catheter (5) and the connecting pipe (7) are fixedly provided with a liquid stopping clamp (11), and one end of the connecting needle head (10) is connected with a dustproof plug (12) in a penetrating manner.
3. The device for rapidly transferring and accurately measuring sensitive low-boiling-point liquid according to claim 2, wherein: dustproof stopper (12) joint has two flasks (13), the top joint of two flasks (13) has ground mouthful liquid storage ball (14), some back joints (15) of bleeding of the top joint of ground mouthful liquid storage ball (14).
4. The device for fast transferring and accurately measuring sensitive low boiling point liquid according to claim 3, wherein: an air stop valve is arranged in the middle of the rear air extraction joint (15), reading scales are arranged on the surface of the air washing bottle (6), and an ice bath kettle (16) is arranged outside the two-mouth flask (13).
5. The device for rapidly transferring and accurately measuring sensitive low-boiling-point liquid according to claim 1, wherein: the refrigerator is characterized in that a snake-shaped guide pipe (17) is arranged in the refrigerator (8), one end of the refrigerator (8) is communicated with the connecting pipe (7) through the snake-shaped guide pipe (17), and the other end of the refrigerator (8) is communicated with the discharge pipe (9) through the snake-shaped guide pipe (17).
6. The device for rapidly transferring and accurately measuring sensitive low-boiling-point liquid according to claim 1, wherein: short syringe needle (3) and long syringe needle (4) all run through the connection on sealing plug (2) to be linked together with mobile phase solvent bottle (1), the bottom of short syringe needle (3) sets up above mobile phase solvent bottle (1) inside solution liquid level, the top of long syringe needle (4) sets up below mobile phase solvent bottle (1) inside solution liquid level.
7. The device for fast transferring and accurately measuring sensitive low boiling point liquid according to claim 3, wherein: the inner side wall at the top end of the ground liquid storage ball (14) and the outer side wall at the bottom end, the outer surface at the bottom end of the rear air suction connector (15) and the inner side wall at the top end of the two flasks (13) are respectively provided with an adaptive ground.
CN202220127671.4U 2022-01-18 2022-01-18 Device for quickly transferring and accurately measuring sensitive low-boiling-point liquid Expired - Fee Related CN216826250U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220127671.4U CN216826250U (en) 2022-01-18 2022-01-18 Device for quickly transferring and accurately measuring sensitive low-boiling-point liquid

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220127671.4U CN216826250U (en) 2022-01-18 2022-01-18 Device for quickly transferring and accurately measuring sensitive low-boiling-point liquid

Publications (1)

Publication Number Publication Date
CN216826250U true CN216826250U (en) 2022-06-28

Family

ID=82083961

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202220127671.4U Expired - Fee Related CN216826250U (en) 2022-01-18 2022-01-18 Device for quickly transferring and accurately measuring sensitive low-boiling-point liquid

Country Status (1)

Country Link
CN (1) CN216826250U (en)

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Granted publication date: 20220628