CN218609467U - Gas-liquid reaction bottle - Google Patents
Gas-liquid reaction bottle Download PDFInfo
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- CN218609467U CN218609467U CN202223122455.XU CN202223122455U CN218609467U CN 218609467 U CN218609467 U CN 218609467U CN 202223122455 U CN202223122455 U CN 202223122455U CN 218609467 U CN218609467 U CN 218609467U
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Abstract
The utility model belongs to the technical field of the little chemical industry equipment, indicate a gas-liquid reaction bottle suitable for continuous flow reaction especially. The gas-liquid reaction bottle comprises at least one gas inlet arranged at the bottom of the bottle, at least one liquid inlet, a gas outlet, a temperature measuring port and at least one overflow port of the bottle body, wherein the gas inlet, the inner cavity of the bottle body and the gas outlet are communicated to form a gas passing channel, the liquid inlet, the inner cavity of the bottle body and the overflow port are communicated to form a liquid passing channel, and gas and liquid phases are continuously contacted in the inner cavity of the bottle body to perform chemical reaction; and the micropore filter element is positioned in the inner cavity of the bottle body and erected above the air inlet and comprises a plurality of distribution holes for uniformly dispersing air. The utility model provides a pair of be suitable for gas-liquid reaction bottle of continuous flow reaction realizes going on in succession of gas-liquid reaction in the laboratory through transferring gas-liquid looks reaction mass in succession, simultaneously, realizes gaseous phase homodisperse to the liquid phase in, is showing improvement gas-liquid mass transfer efficiency.
Description
Technical Field
The utility model belongs to the technical field of the little chemical industry equipment, indicate a gas-liquid reaction bottle suitable for continuous flow reaction especially.
Background
The gas-liquid reaction refers to a multiphase reaction process in which a gas phase and a liquid phase exist in a reaction system, and the gas-liquid reaction occurs at a gas-liquid phase interface, wherein the gas-liquid mass transfer is the rate-limiting step.
A microreactor is a three-dimensional structural element which can be used for carrying out chemical reactions and which is manufactured in a solid matrix by means of special microfabrication techniques. Microreactors generally contain small channel sizes (equivalent diameters less than 500 μm) and channel diversity in which fluids flow and in which the desired reactions are desired to occur. This results in a very large surface area to volume ratio in a micro-structured chemical device.
At present, most of microreactors in the market are liquid-liquid microreactors, and the number of microreactors suitable for gas-liquid reaction is small.
At present, most of the traditional chemical laboratories carry out gas-liquid reaction by adopting a mode of bubbling a gas guide tube into a system, and the mode has the defects of no gas dispersion and low gas-liquid mass transfer efficiency.
Fluid chemistry is a globally recognized green and safe pharmaceutical technology that subverts traditional drug development and production, provides more flexibility and selectivity for drug synthesis route design, and can defend safety from a synthesis process source, improve efficiency and reduce pollution.
The Continuous Stirred Tank Reactor (CSTR) is widely used equipment for carrying out various physical changes and chemical reactions in chemical production, and plays an important role in reaction devices. However, continuous gas-liquid reaction using the CSTR mode has been reported.
SUMMERY OF THE UTILITY MODEL
To the technical problem above, an object of the utility model is to provide a be suitable for continuous flow reaction's gas-liquid reaction bottle realizes going on in succession of the interior gas-liquid reaction of laboratory through continuous transfer gas-liquid looks reaction mass, can realize a continuous stirred tank formula reaction (CSTR) mode through this reaction flask of series connection, simultaneously, realizes that gaseous phase homodisperse is showing improvement gas-liquid mass transfer efficiency to the liquid phase in.
In order to achieve the above object, the utility model adopts the following technical scheme:
the gas-liquid reaction bottle comprises at least one gas inlet arranged at the bottom of the bottle, at least one liquid inlet, a gas outlet, a temperature measuring port and at least one overflow port of the bottle body, wherein the gas inlet, the inner cavity of the bottle body and the gas outlet are communicated to form a gas passing channel, the liquid inlet, the inner cavity of the bottle body and the overflow port are communicated to form a liquid passing channel, and gas and liquid phases are continuously contacted in the inner cavity of the bottle body to perform chemical reaction; and the micropore filter element is positioned in the inner cavity of the bottle body and erected above the air inlet, and comprises a plurality of distribution holes for uniformly dispersing air.
In some technical schemes, the air inlet is communicated with an air inlet pipe, and the air inlet pipe is provided with an air inlet valve for controlling the on-off of air; the air outlet is communicated with an air outlet pipe; the liquid inlet is communicated with a liquid inlet pipe and the overflow port is communicated with an overflow pipe.
In some technical schemes, the air inlet pipe, the air outlet pipe, the liquid inlet pipe and the overflow pipe are all fixed with the bottle body in a sintering mode; the intake valve is mounted to the intake pipe by a sintering method.
In some technical schemes, the size of the distribution holes is 3-100um, and the distribution holes are uniformly distributed on the microporous filter element.
In some technical schemes, the micropore filter core is a sand core and is fixed in the gas-liquid reaction bottle in a sintering mode.
In some technical schemes, the bottle body is cylindrical, the volume of the bottle body is any size of 50 ml-10L, or 500ml, and the vertical distance from the overflow port to the top of the bottle body is within 5-20 cm and is flexibly adjusted along with the size of the bottle body.
In some technical schemes, the gas-liquid reaction bottle is a jacketed reaction bottle, the jacketed reaction bottle comprises a shell and a liner, and a heating medium or a refrigerating medium circulates in a gap between the shell and the liner.
In some technical schemes, the temperature measuring port is communicated with a temperature measuring pipe, and a temperature sensor for detecting the gas-liquid reaction temperature in the bottle body is arranged in the temperature measuring pipe in a penetrating manner.
The utility model adopts the above technical scheme at least have following beneficial effect:
1. the upper end of the gas-liquid reaction bottle is a liquid inlet, the lower end of the gas-liquid reaction bottle is a gas inlet, gas-liquid two phases are reversely contacted in the inner cavity of the bottle body, and a microporous filter element is arranged in the inner cavity of the bottle body above the gas inlet, so that gas input from the lower part is uniformly dispersed through the distribution holes of the microporous filter element and is diffused into liquid, the contact area of the gas and the liquid is increased, and the gas-liquid mass transfer efficiency is improved;
2. the gas-liquid reaction bottle of the utility model is provided with an overflow pipe, and the liquid in the bottle can continuously overflow out of the reaction bottle and is transferred to the next stage for quenching and other treatments; and the bottle body is also provided with an air inlet and outlet pipe, so that the continuous operation of gas-liquid reaction is realized, and the gas-liquid reaction efficiency is further improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings and their reference numbers used in the embodiments are briefly described below, it is obvious that the drawings described below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a gas-liquid reaction bottle according to an embodiment of the present invention.
The notations in the figures have the following meanings:
1-air inlet pipe, 2-air outlet pipe, 3-liquid inlet pipe, 4-overflow pipe, 5-temperature measuring pipe, 6-heat exchange medium and 7-air inlet valve.
Detailed Description
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following description will refer to the accompanying drawings to describe specific embodiments of the present invention. It is obvious that the drawings in the following description are only examples of the invention, and that for a person skilled in the art, other drawings and embodiments can be derived from them without inventive effort.
For the sake of simplicity, only the parts related to the utility model are schematically shown in the drawings, and they do not represent the actual structure as a product. Moreover, in the interest of brevity and understanding, only one of the components having the same structure or function is illustrated schematically or designated in some of the drawings. In this document, "a" means not only "only one of this but also a case of" more than one ".
It should be further understood that the term "and/or" as used in this specification and the appended claims refers to and includes any and all possible combinations of one or more of the associated listed items.
In this context, it is to be understood that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1, a gas-liquid reaction bottle suitable for continuous operation of gas-liquid reaction in a laboratory is shown. The gas-liquid reaction bottle comprises a bottle body, the bottle body is cylindrical, an air inlet is formed in the bottom of the bottle body, an air inlet and an air outlet are formed in the top of the bottle body at intervals, an overflow port is formed in the side portion of the bottle body, an air channel is formed by communicating the air inlet, an inner cavity of the bottle body and the air outlet, a liquid channel is formed by communicating the air inlet, the inner cavity of the bottle body and the overflow port, and gas and liquid are continuously in contact with each other in the inner cavity of the bottle body to generate chemical reaction.
In the embodiment, liquid enters the inner cavity of the bottle body from the upper part of the bottle body through the liquid inlet and flows out of the overflow port after reacting, gas enters the inner cavity of the bottle body from the lower part of the bottle body through the gas inlet and is discharged from the gas outlet after reacting, and gas diffused from bottom to top is more fully dispersed into the liquid, so that the gas-liquid mass transfer efficiency is increased; and the reacted liquid in the inner cavity of the bottle body can continuously overflow out of the gas-liquid reaction bottle through the overflow port, so that the continuous operation of gas-liquid phase reaction in a laboratory is realized, the stable operation of the reaction process is ensured, the gas-liquid phase mass and heat transfer efficiency is improved, and the full operation of the gas-liquid phase reaction is promoted.
In a preferred embodiment, the gas distribution device further comprises a sand core, which is positioned in the inner cavity of the bottle body and erected above the gas inlet, and comprises a plurality of distribution holes for uniformly dispersing gas, preferably, the size of the distribution holes is 10-50um, and the distribution holes are uniformly distributed on the sand core.
In the embodiment, the sand core is arranged above the air inlet, and the gas input into the gas-liquid reaction bottle is uniformly dispersed and diffused into the liquid through the plurality of distribution holes uniformly distributed on the sand core to be fully contacted with the liquid phase and carry out chemical reaction, so that the gas-liquid phase contact surface is obviously improved, and the heat and mass transfer efficiency is improved.
It should be noted that the disperser includes, but is not limited to, a sand core, but may be a series of microporous filter membranes, and it is only necessary to provide a microporous structure for uniform dispersion of the gas.
The sand core is fixed into the gas-liquid reaction bottle through a sintering process, and the sand core is simple in process, easy to operate and firm in fixation.
In a specific embodiment, the air inlet is communicated with an air inlet pipe 1, and an air inlet valve 7 for controlling the on-off of air is arranged on the air inlet pipe 1; the air outlet is communicated with an air outlet pipe 2; the liquid inlet is communicated with a liquid inlet pipe 3, and the overflow port is communicated with an overflow pipe 4. Intake pipe 1, outlet duct 2, feed liquor pipe 3 and overflow pipe 4 are all fixed with the bottle through the sintering mode, and admission valve 7 is installed to intake pipe 1 through the sintering mode.
Through the gas-liquid reaction bottle preparation mode of sintering in this embodiment, easy and simple to handle, it is firm to connect, and can realize the batchization effect, improves production efficiency.
In a preferred embodiment, the top of the bottle body is further provided with a temperature measuring port, the temperature measuring port is communicated with a temperature measuring tube 5, and a temperature sensor for detecting the gas-liquid reaction temperature inside the bottle body is arranged in the temperature measuring tube 5 in a penetrating manner.
The temperature measuring pipe 5 which is designed independently is used for the penetration of the sensing element, the sensing element can be protected, the measuring accuracy is improved, the top of the bottle body and the liquid inlet and the air outlet are arranged at intervals, the sintering process can be promoted, and the batch rapid production and the manufacturing are realized.
In a specific embodiment, the volume of the gas-liquid reaction bottle adopts a specification of 250mL or 500mL, which is suitable for daily experiments in laboratories, and the overflow port is arranged at the bottle body part within 5cm of the vertical distance from the top of the bottle body, so that sufficient reaction liquid is contained in the gas-liquid reaction bottle, the capacity of gas-liquid phase reaction materials in unit time is expanded, and the application range is wider.
In a preferred embodiment, the gas-liquid reaction bottle is a jacketed reaction bottle, the jacketed reaction bottle comprises an outer shell and an inner container, and a heating working medium 6 circulates in a gap between the outer shell and the inner container for providing a suitable temperature environment for gas-liquid reaction.
The utility model has the advantages that the gas phase and the liquid phase which are in reverse contact are supplemented by the sand core to diffuse the gas phase material flow so as to be uniformly dispersed into the liquid phase, thereby improving the gas-liquid contact surface and the gas-liquid heat and mass transfer efficiency; through the arrangement of the overflow pipe 4, the liquid can be continuously overflowed out of the reaction bottle, and the continuous and stable operation of gas-liquid reaction can be realized; through the design of the jacket type bottle body and the installation of the temperature sensor, the proper gas-liquid reaction temperature in the gas-liquid reaction bottle is regulated and controlled, and the reaction is further promoted to be carried out.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
It should be understood by those skilled in the art that while the present invention has been described in terms of several embodiments, it is not intended that each embodiment include only a single embodiment. The description is given for clearness of understanding only, and it is to be understood that all matters in the embodiments are to be interpreted as including all technical equivalents which are encompassed by the claims.
Claims (8)
1. The gas-liquid reaction bottle is characterized by comprising at least one gas inlet arranged at the bottom of the bottle, at least one liquid inlet, at least one gas outlet and a temperature measuring port arranged at the top of the bottle, and at least one overflow port arranged on the bottle body, wherein the gas inlet, the inner cavity of the bottle body and the gas outlet are communicated to form a gas passing channel, the liquid inlet, the inner cavity of the bottle body and the overflow port are communicated to form a liquid passing channel, and gas and liquid phases are continuously contacted in the inner cavity of the bottle body to perform chemical reaction;
still include a micropore filter core, be arranged in the bottle inner chamber and erect in the air inlet top, including a plurality of distribution holes that are used for gas homodisperse.
2. The gas-liquid reaction cylinder according to claim 1,
the air inlet is communicated with an air inlet pipe, and an air inlet valve for controlling the on-off of air is arranged on the air inlet pipe; the air outlet is communicated with an air outlet pipe; the liquid inlet is communicated with a liquid inlet pipe and the overflow port is communicated with an overflow pipe.
3. The gas-liquid reaction cylinder according to claim 2,
the air inlet pipe, the air outlet pipe, the liquid inlet pipe and the overflow pipe are all fixed with the bottle body in a sintering mode;
the intake valve is mounted to the intake pipe by a sintering method.
4. The gas-liquid reaction bottle according to claim 1,
the size of the distribution holes is 3-100um, and the distribution holes are uniformly distributed on the microporous filter element.
5. The gas-liquid reaction bottle according to claim 1 or 4,
the micropore filter core is a sand core and is fixed in the gas-liquid reaction bottle in a sintering mode.
6. The gas-liquid reaction cylinder according to claim 1,
the bottle body is cylindrical, the volume of the bottle body is any size from 50ml to 10L, and the vertical distance from the overflow port to the top of the bottle body is within 5 cm-20 cm and can be flexibly adjusted along with the size of the bottle body.
7. The gas-liquid reaction bottle according to claim 1,
the gas-liquid reaction bottle is a jacketed type reaction bottle, the jacketed type reaction bottle comprises a shell and an inner container, and a heating medium or a refrigerating medium circulates in a gap between the shell and the inner container.
8. The gas-liquid reaction cylinder according to claim 1,
the temperature measuring port is communicated with a temperature measuring pipe, and a temperature sensor for detecting the gas-liquid reaction temperature in the bottle body is arranged in the temperature measuring pipe in a penetrating mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223122455.XU CN218609467U (en) | 2022-11-24 | 2022-11-24 | Gas-liquid reaction bottle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223122455.XU CN218609467U (en) | 2022-11-24 | 2022-11-24 | Gas-liquid reaction bottle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218609467U true CN218609467U (en) | 2023-03-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223122455.XU Active CN218609467U (en) | 2022-11-24 | 2022-11-24 | Gas-liquid reaction bottle |
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| Country | Link |
|---|---|
| CN (1) | CN218609467U (en) |
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2022
- 2022-11-24 CN CN202223122455.XU patent/CN218609467U/en active Active
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