CN217830014U - Gas-liquid material mixing injection system - Google Patents
Gas-liquid material mixing injection system Download PDFInfo
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- CN217830014U CN217830014U CN202221908342.XU CN202221908342U CN217830014U CN 217830014 U CN217830014 U CN 217830014U CN 202221908342 U CN202221908342 U CN 202221908342U CN 217830014 U CN217830014 U CN 217830014U
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Abstract
The utility model discloses a gas-liquid material mixes injection system includes: the reaction kettle is internally provided with a stirring screw which is collinear with the axis of the reaction kettle, the bottom of the reaction kettle is provided with a liquid outlet pipe, and two valves are arranged on the liquid outlet pipe at intervals; the flow equalizer is arranged in the reaction kettle, the outline shape of the flow equalizer is the same as that of the inner cavity wall of the reaction kettle, and a flow gap is reserved between the outer side surface of the flow equalizer and the inner cavity wall of the reaction kettle; a liquid outlet of the venturi mixer is communicated with the inside of the flowing clearance; the air inlet of the air-conditioning system is communicated with external air adding equipment through a valve; a liquid inlet of the deaerator is communicated with the liquid outlet pipe, and the liquid inlet of the deaerator is positioned between the two valves on the liquid outlet pipe; and a liquid inlet of the circulating pump is communicated with a liquid outlet of the deaerator through a valve, and a liquid outlet of the circulating pump is communicated with a liquid inlet of the Venturi mixer through a valve. The utility model discloses make the mixing time extension of air and liquid, mix more fully, can show promotion gas-liquid mixing efficiency for reaction rate promotes the reaction yield, shortens reaction time.
Description
Technical Field
The utility model relates to a chemical industry reaction production field, concretely relates to gas-liquid material mixes injection system.
Background
The chiral compound is obtained by carrying out enzyme catalytic reaction on methyl ester and air, wherein oxygen in the air is required to be used as a reaction raw material for the reaction, and the air, the methyl ester and an enzyme solution are required to be fully mixed in order to improve the reaction effect.
The existing reaction mode is that air is directly inserted into a reaction kettle through an air pipe, and then the air is injected into the air pipe, so that the air is contacted with methyl ester and enzyme liquid in the reaction kettle to react. Air injected into the reaction kettle through the air pipe forms larger bubbles in methyl ester and enzyme liquid, the contact surface with the methyl ester and the enzyme liquid is smaller, namely the reaction area is small, and the bubbles are larger and rapidly float upwards under the action of buoyancy, so that the contact time is shortened, the whole reaction time of the existing scheme is longer, the reaction efficiency is poorer, the air quantity required to be injected is larger, and the energy consumption is higher.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned defect of prior art, the utility model aims at providing a gas-liquid material mixes injection system for the mixing time extension of air and liquid mixes more fully, can show promotion gas-liquid mixing efficiency, accelerates reaction rate, promotes reaction yield, shortens reaction time.
The purpose of the utility model is realized through such technical scheme:
a gas-liquid material mixing injection system, comprising:
the reaction kettle is internally provided with a stirring screw which is collinear with the axis of the reaction kettle, the bottom of the reaction kettle is provided with a liquid outlet pipe, and two valves are arranged on the liquid outlet pipe at intervals;
the flow equalizer is arranged in the reaction kettle, the outline shape of the flow equalizer is the same as that of the inner cavity wall of the reaction kettle, and a flow gap is reserved between the outer side surface of the flow equalizer and the inner cavity wall of the reaction kettle;
a liquid outlet of the venturi mixer is communicated with the inside of the flowing clearance; the air inlet of the air-conditioning system is communicated with external air adding equipment through a valve;
a liquid inlet of the deaerator is communicated with the liquid outlet pipe, and the liquid inlet of the deaerator is positioned between the two valves on the liquid outlet pipe;
and a liquid inlet of the circulating pump is communicated with a liquid outlet of the deaerator through a valve, and a liquid outlet of the circulating pump is communicated with a liquid inlet of the Venturi mixer through a valve.
Further, the current equalizer includes:
the outer contour shape of the shell is the same as that of the inner cavity wall of the reaction kettle, a flow gap is reserved between the outer side surface of the shell and the inner cavity wall of the reaction kettle, and a plurality of through holes are uniformly formed in the shell;
the tail end of the liquid inlet pipe is positioned in the flow gap, and the head end of the liquid inlet pipe is communicated with the liquid outlet of the Venturi mixer.
Furthermore, the flow equalizer also comprises a plurality of hollow annular pipes which are arranged in the flowing gap in a vertically-spaced and stacked manner, and the insides of the annular pipes are communicated with the insides of the liquid inlet pipes; a plurality of liquid outlet holes are uniformly formed in the surface of the annular tube.
Furthermore, the flow equalizer also comprises a short-flow-proof pipe, and two ends of the short-flow-proof pipe are respectively in seamless communication with the inner cavity wall of the reaction kettle and the outer side surface of the shell; the liquid outlet pipe is positioned in the short-flow prevention pipe; and a liquid outlet communicated with the inside of the reaction kettle is formed in the outer cylindrical surface of the liquid outlet pipe positioned in the reaction kettle, and the liquid outlet is positioned right above the connecting part of the liquid outlet pipe and the inner cavity wall of the reaction kettle and guides the liquid at the bottom of the reaction kettle to completely flow into the liquid outlet pipe.
Further, the deaerator includes:
the upper part of the deaeration container which can be sealed is communicated with the liquid outlet pipe through a valve, and the bottom of the deaeration container is communicated with a liquid inlet of the circulating pump through a valve; the upper part of the deaeration container is also provided with a valve communicated with the inside and the outside of the deaeration container;
the stirring component is positioned in the defoaming container and used for stirring the liquid in the defoaming container;
and the air inlet of the negative pressure generator is communicated with the upper part of the defoaming container through a valve.
Furthermore, a buffer tank is arranged between the deaerator and the circulating pump, the upper part of the buffer tank is communicated with a liquid outlet of the deaerator, and the lower part of the buffer tank is communicated with a liquid inlet of the circulating pump; and a communicating vessel for balancing the internal and external pressure difference is arranged at the top of the buffer tank.
Further, the liquid outlet of the circulating pump is communicated with the liquid inlet of the venturi mixer through a check valve.
Further, the liquid outlet of check valve still communicates with the sampling tube, be equipped with the valve on the sampling tube.
Further, the liquid outlet of circulating pump and outer feeding pipe intercommunication, be equipped with the valve on the outer feeding pipe, the liquid outlet of outer feeding pipe is located between the liquid outlet of circulating pump and the inlet of check valve.
Due to the adoption of the technical scheme, the utility model discloses following advantage has:
1. through increasing the venturi mixer for liquid and air can the intensive mixing, and the air forms tiny bubble, and the area of contact of increase and liquid, tiny bubble come-up speed is slower simultaneously, can prolong contact time and prolong the mixing time of air and liquid promptly, promotes the reaction yield, shortens reaction time.
2. The flow equalizer is arranged in the reaction kettle and is used for uniformly injecting the liquid mixed with bubbles into the reaction kettle, so that the gas is uniformly distributed in the liquid in the reaction kettle, and the reaction rate is improved.
3. The deaerator discharges the air in the liquid as far as possible for the liquid air content entering the liquid inlet of the venturi mixer is reduced, so that the venturi mixer can mix more air, and the air bubbles mixed in are smaller and more uniform.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
The drawings of the utility model are explained as follows:
fig. 1 is a schematic structural diagram of a gas-liquid material mixing and injecting system in this embodiment.
Fig. 2 is an enlarged schematic view of a portion a in fig. 1.
Fig. 3 is an enlarged schematic view of B in fig. 1.
Fig. 4 is an enlarged schematic view of the structure at C in fig. 1.
In the figure: 1. a reaction kettle; 11. stirring a screw; 2. a liquid outlet pipe; 21. a liquid discharge port; 31. a housing; 311. perforating; 32. a liquid inlet pipe; 33. an annular tube; 331. a liquid outlet hole; 34. short flow tube prevention; 4. a venturi mixer; 51. a deaeration container; 52. a stirring assembly; 53. a negative pressure generator; 6. a circulation pump; 7. a flow gap; 8. a buffer tank; 81. a communicating vessel; 9. a check valve; 10. a sampling tube; 11. a feed tube; 12. and (4) a valve.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
Example (b):
as shown in fig. 1 to 4, a gas-liquid material mixing and injecting system includes:
the reaction kettle 1 is internally provided with a stirring screw 11 which is collinear with the axis of the reaction kettle, the bottom of the reaction kettle is provided with a liquid outlet pipe 2, and two valves 12 are arranged on the liquid outlet pipe 2 at intervals;
the flow equalizer is arranged in the reaction kettle 1, the outline shape is the same as the inner cavity wall of the reaction kettle 1, and a flow gap 7 is reserved between the outer side surface of the flow equalizer and the inner cavity wall of the reaction kettle 1;
a liquid outlet of the Venturi mixer 4 is communicated with the inside of the flow gap 7; the air inlet of the air-conditioning system is communicated with external air adding equipment through a valve 12;
a liquid inlet of the deaerator is communicated with the liquid outlet pipe 2, and a liquid inlet of the deaerator is positioned between the two valves 12 on the liquid outlet pipe 2;
and a liquid inlet of the circulating pump 6 is communicated with a liquid outlet of the deaerator through a valve 12, and a liquid outlet of the circulating pump is communicated with a liquid inlet of the Venturi mixer 4 through the valve 12.
Through increasing venturi mixer 4 for liquid and air can the intensive mixing, and the air forms tiny bubble, and the area of contact of increase and liquid, tiny bubble floating speed is slower simultaneously, can prolong contact time and prolong the mixing time of air and liquid promptly, promotes the reaction yield, shortens reaction time.
The flow equalizer is arranged in the reaction kettle 1, and liquid of mixed bubbles is uniformly injected into the reaction kettle 1, so that the liquid mixing degree in the reaction kettle 1 is uniform, and the reaction rate is improved.
The deaerator discharges the air in the liquid as much as possible, so that the content of the liquid air entering the liquid inlet of the venturi mixer 4 is reduced, the venturi mixer 4 can mix more air, and the air bubbles mixed in are smaller and more uniform.
In this embodiment, the current equalizer includes:
the outer contour shape of the shell 31 is the same as that of the inner cavity wall of the reaction kettle 1, a flow gap 7 is reserved between the outer side surface of the shell and the inner cavity wall of the reaction kettle 1, and a plurality of through holes 311 are uniformly formed in the shell 31;
the tail end of the liquid inlet pipe 32 is positioned in the flow gap 7, and the head end of the liquid inlet pipe is communicated with the liquid outlet of the Venturi mixer 4.
In this embodiment, the flow equalizer further includes a plurality of hollow annular tubes 33, the plurality of annular tubes 33 are arranged in the flow gap 7 in an up-down interval stacking manner, and the interiors of the annular tubes 33 are communicated with the interiors of the liquid inlet tubes 32; a plurality of liquid outlet holes 331 are uniformly formed on the surface of the annular tube 33.
The plurality of annular pipes 33 can control the gas-liquid mixed liquid in the liquid inlet pipe 32 to be dispersed into the reaction kettle 1 at a specific position.
In this embodiment, the flow equalizer further comprises a short-circuit prevention pipe 34, and two ends of the short-circuit prevention pipe are respectively in seamless communication with the inner cavity wall of the reaction kettle 1 and the outer side surface of the shell 31; the liquid outlet pipe 2 is positioned in the short-flow prevention pipe 34; the outer cylindrical surface that is located drain pipe 2 of reation kettle 1 is equipped with the leakage fluid dram 21 rather than inside intercommunication, leakage fluid dram 21 is located drain pipe 2 and reation kettle 1 inner chamber wall junction directly over, and the liquid of guide reation kettle 1 bottom all flows into in the drain pipe 2.
In order to prevent the liquid-liquid mixture discharged from the liquid inlet pipe 32 from directly entering the liquid outlet pipe 2 again, the short-flow prevention pipe 34 is provided, the short-flow prevention pipe 34 in this embodiment is in a truncated cone shape, and the pipe surface thereof can prevent the liquid-liquid mixture discharged from the liquid inlet pipe 32 from directly entering the liquid discharge pipe from the flow gap 7.
Meanwhile, the liquid discharge port 21 can discharge the liquid between the short-flow prevention pipe 34 and the reaction vessel 1.
In this embodiment, the debubbling apparatus includes:
the upper part of the airtight defoaming container 51 is communicated with the liquid outlet pipe 2 through a valve 12, and the bottom of the airtight defoaming container is communicated with a liquid inlet of the circulating pump 6 through the valve 12; the upper part of the defoaming container 51 is also provided with a valve 12 for communicating the inside and the outside of the defoaming container 51;
a stirring unit 52 having a stirring portion located in the defoaming container 51 and stirring the liquid in the defoaming container 51;
the negative pressure generator 53 has an inlet port communicating with the upper portion of the defoaming container 51 through the valve 12.
The negative pressure generator 53 reduces the pressure of the defoaming container 51, and the stirring assembly 52 stirs the mixed liquid with bubbles, so that the bubbles can quickly float upwards and be separated from the liquid.
In this embodiment, a buffer tank 8 is further disposed between the deaerator and the circulating pump 6, an upper portion of the buffer tank is communicated with a liquid outlet of the deaerator, and a lower portion of the buffer tank is communicated with a liquid inlet of the circulating pump 6; and the top of the buffer tank 8 is provided with a communicating vessel 81 for balancing the internal and external pressure difference.
Since the deaerator intermittently discharges the deaerated liquid, a buffer tank 8 is provided to ensure continuous operation of the circulation pump 6, and a certain amount of the deaerated liquid is stored in the buffer tank 8.
In this embodiment, the liquid outlet of the circulating pump 6 is also communicated with the liquid inlet of the venturi mixer 4 through a check valve 9.
The check valve 9 prevents the high-pressure gas communicated with the venturi mixer 4 from flowing backward.
In this embodiment, the liquid outlet of the check valve 9 is further communicated with a sampling tube 10, and a valve 12 is arranged on the sampling tube 10.
In this embodiment, the liquid outlet of the circulating pump 6 is communicated with an external feeding pipe 11, a valve 12 is arranged on the external feeding pipe 11, and the liquid outlet of the external feeding pipe 11 is located between the liquid outlet of the circulating pump 6 and the liquid inlet of the check valve 9.
The gas-liquid material mixing and injecting system of the embodiment is used as such, liquid is added through the feeding pipe 11, under the action of the venturi mixer 4, the added liquid is mixed with air to form gas-liquid mixed liquid, and after a certain amount of liquid is added into the reaction kettle 1, the liquid is stopped being added through the feeding pipe 11.
Opening the corresponding valve 12 to make the liquid in the reaction kettle 1 flow into the deaeration container 51 for accumulation, controlling the opening and closing of the valve 12 at the moment, stopping injecting the liquid into the deaeration container 51 after the liquid in the deaeration container 51 reaches a certain amount, sealing the deaeration container 51, starting the negative pressure generator 53 and the stirring assembly 52, discharging bubbles in the liquid, and opening the valve 12 on the deaeration container 51 to make the internal pressure of the deaeration container 51 consistent with the external atmospheric pressure after the discharge is finished; the liquid in the defoaming container 51 is controlled to flow into the buffer tank 8, and the valve 12 is controlled to flow into the circulating pump 6, so that the defoaming container 51 performs the defoaming treatment of the second batch synchronously.
The deaerated liquid enters the venturi mixer 4 again under the action of the circulating pump 6, mixed air enters the pipe at tonight night, then is shunted by the annular pipe 33 to enter the flow gap 7, and finally enters the reaction kettle 1 through the perforation 311 to be stirred by the stirring screw 11.
In the process of gas-liquid mixing, the reaction degree of the liquid can be checked by sampling through the sampling pipe 10, and other liquid materials can be added through the feeding pipe 11.
After the reaction of the reaction kettle 1 is completed, the valve 12 on the liquid outlet pipe 2 is closed, so that all the liquid in the defoaming container 51, the buffer tank 8 and the circulating pump 6 enters the reaction kettle 1, the communication between the liquid outlet pipe 2 and the defoaming container 51 is cut off, all the valves 12 on the liquid outlet pipe 2 are opened, and the liquid in the reaction kettle 1 is drained.
Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the scope of the claims of the present invention.
Claims (9)
1. A gas-liquid material mixing injection system, characterized by comprising:
the reaction kettle is internally provided with a stirring screw which is collinear with the axis of the reaction kettle, the bottom of the reaction kettle is provided with a liquid outlet pipe, and two valves are arranged on the liquid outlet pipe at intervals;
the flow equalizer is arranged in the reaction kettle, the outline shape of the flow equalizer is the same as that of the inner cavity wall of the reaction kettle, and a flow gap is reserved between the outer side surface of the flow equalizer and the inner cavity wall of the reaction kettle;
a liquid outlet of the venturi mixer is communicated with the inside of the flowing clearance; the air inlet of the air-conditioning system is communicated with external air adding equipment through a valve;
the liquid inlet of the deaerator is communicated with the liquid outlet pipe, and the liquid inlet of the deaerator is positioned between the two valves on the liquid outlet pipe;
and a liquid inlet of the circulating pump is communicated with a liquid outlet of the deaerator through a valve, and a liquid outlet of the circulating pump is communicated with a liquid inlet of the Venturi mixer through a valve.
2. The gas-liquid material mixing and injecting system according to claim 1, wherein said flow equalizer comprises:
the outer contour shape of the shell is the same as that of the inner cavity wall of the reaction kettle, a flow gap is reserved between the outer side surface of the shell and the inner cavity wall of the reaction kettle, and a plurality of through holes are uniformly formed in the shell;
the tail end of the liquid inlet pipe is positioned in the flow gap, and the head end of the liquid inlet pipe is communicated with the liquid outlet of the Venturi mixer.
3. The gas-liquid material mixing and injecting system according to claim 2, wherein the flow equalizer further comprises a plurality of hollow annular pipes, the plurality of annular pipes are arranged in the flow gap in an up-down interval stacking manner, and the interiors of the annular pipes are communicated with the interiors of the liquid inlet pipes; a plurality of liquid outlet holes are uniformly formed in the surface of the annular tube.
4. The gas-liquid material mixing and injecting system of claim 2, wherein the flow equalizer further comprises a short-circuit prevention pipe, and two ends of the short-circuit prevention pipe are respectively communicated with the inner cavity wall of the reaction kettle and the outer side surface of the shell in a seamless manner; the liquid outlet pipe is positioned in the short-flow prevention pipe; and a liquid outlet communicated with the inside of the reaction kettle is formed in the outer cylindrical surface of the liquid outlet pipe positioned in the reaction kettle, and the liquid outlet is positioned right above the connecting part of the liquid outlet pipe and the inner cavity wall of the reaction kettle and guides the liquid at the bottom of the reaction kettle to completely flow into the liquid outlet pipe.
5. The gas-liquid material mixing and injecting system according to claim 1, wherein the deaerator includes:
the upper part of the airtight deaeration container is communicated with the liquid outlet pipe through a valve, and the bottom of the airtight deaeration container is communicated with a liquid inlet of the circulating pump through a valve; the upper part of the deaeration container is also provided with a valve communicated with the inside and the outside of the deaeration container;
the stirring component is positioned in the defoaming container and used for stirring the liquid in the defoaming container;
and the air inlet of the negative pressure generator is communicated with the upper part of the defoaming container through a valve.
6. The gas-liquid material mixing and injecting system as claimed in claim 1, wherein a buffer tank is further provided between the deaerator and the circulating pump, an upper portion of the buffer tank is communicated with the liquid outlet of the deaerator, and a lower portion of the buffer tank is communicated with the liquid inlet of the circulating pump; and the top of the buffer tank is provided with a communicating vessel for balancing the internal and external pressure difference.
7. The gas-liquid material mixing and injecting system as defined in claim 1, wherein said liquid outlet of said circulating pump is further communicated with said liquid inlet of said venturi mixer through a check valve.
8. The gas-liquid material mixing and injecting system as defined in claim 7, wherein a liquid outlet of said check valve is further communicated with a sampling tube, and a valve is disposed on said sampling tube.
9. A gas-liquid material mixing and injecting system as claimed in claim 7, wherein the liquid outlet of the circulating pump is communicated with an external feeding pipe, a valve is disposed on the external feeding pipe, and the liquid outlet of the external feeding pipe is located between the liquid outlet of the circulating pump and the liquid inlet of the check valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221908342.XU CN217830014U (en) | 2022-07-21 | 2022-07-21 | Gas-liquid material mixing injection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221908342.XU CN217830014U (en) | 2022-07-21 | 2022-07-21 | Gas-liquid material mixing injection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217830014U true CN217830014U (en) | 2022-11-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221908342.XU Active CN217830014U (en) | 2022-07-21 | 2022-07-21 | Gas-liquid material mixing injection system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217830014U (en) |
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2022
- 2022-07-21 CN CN202221908342.XU patent/CN217830014U/en active Active
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