CN219363647U - Bubble jet coupling impinging stream enhanced aerobic fermentation process device - Google Patents
Bubble jet coupling impinging stream enhanced aerobic fermentation process device Download PDFInfo
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- CN219363647U CN219363647U CN202223109727.2U CN202223109727U CN219363647U CN 219363647 U CN219363647 U CN 219363647U CN 202223109727 U CN202223109727 U CN 202223109727U CN 219363647 U CN219363647 U CN 219363647U
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Abstract
The device comprises a gas storage barrel and a liquid storage barrel which are arranged on two sides of the fermentation tank, and gas-liquid products are collected by the gas collection barrel and the liquid collection barrel; the bubble jet generating system is formed by mixing a coupled bubble jet and an impinging stream; two nozzles are horizontally and symmetrically arranged on two sides of the tank body; one side of the nozzle is provided with three sections of reducing structures which are positioned on the same axis and correspond to liquid inlets arranged in the nozzle; the upper part of the nozzle cavity is provided with an air inlet, the inner opening of the air inlet is opposite to the conical surface of the liquid inlet arranged in the nozzle, and the inlet end of the liquid inlet is vertically sealed with the other end of the nozzle. The device couples the two technologies to realize the regulation and control of dissolved oxygen and reaction environment, strengthens the reaction efficiency of aerobic fermentation fungus, and is beneficial to improving the fermentation effect of the aerobic fungus.
Description
Technical Field
The utility model relates to a fermentation process device, in particular to a bubble jet coupling impinging stream enhanced aerobic fermentation process device.
Background
The fermentation process of the aerobic bacteria has high requirement on the oxygen content of the liquid, and the respiratory balance of the bacteria in the liquid environment needs to be maintained. The fungus is sensitive to stress, is easy to cause fungus autolysis to reduce yield by mechanical collision, and the fluid environment in the fermentation process is complex, and is a multi-system and multi-component fermentation process generally.
The bubble jet technology is combined with the impinging stream technology, so that the transfer of oxygen in the liquid can be remarkably enhanced, and the dissolved oxygen of the liquid can be regulated and controlled through the hydraulic working condition of the bubble jet. The liquid is internally impacted to generate a large number of disordered vortex structures which can break bubbles and disturb the bubble flow pattern in the rising process, so that an annular vortex region from the bottom of the tank body to the liquid level is formed, the oxygen mass transfer of different liquid levels of the liquid is facilitated, and the uniform distribution of the flora density in the environment of multiple fluid systems can be ensured.
The traditional fermentation process device directly completes the gas-liquid mass transfer and the internal mixing reinforcement in the gas-liquid feeding process, reduces the dissolved oxygen of liquid, has low dissolved oxygen and damages to flora in the structural mixing process of the device, is not easy to clean and sterilize, consumes large energy, affects the fermentation efficiency and the reaction rate, and is particularly unsuitable for aerobic fermentation in multiple systems and complex fluid environments.
Disclosure of Invention
The utility model aims to provide a bubble jet coupling impinging stream enhanced aerobic fermentation process device, which couples two technologies to realize the regulation and control of dissolved oxygen and reaction environment, enhances the reaction efficiency of aerobic fermentation fungus, is beneficial to improving the fermentation effect of the aerobic fungus, does not damage the fungus group, and is suitable for the field of multiple biological fermentation engineering.
The utility model aims at realizing the following technical scheme:
the device comprises a tank body, overflow ports, jackets, gate valves, nozzles, air inlets, liquid inlets, flow meters, air outlets, liquid discharge ports, gas collecting cylinders, liquid collecting barrels, liquid storage cylinders, gas pumps, liquid pumps, barometers and online dissolved oxygen concentration monitors, wherein a bubble jet generation system is arranged on two sides of the fermentation tank, the nozzles are horizontally and coaxially arranged on the side surface of the tank body and are respectively connected with the gas pumps and the liquid pump flow meters, the gas storage barrels and the liquid storage barrels are arranged on two sides of the fermentation tank to supply gas-liquid raw materials, and the gas cylinders and the liquid collecting cylinders collect gas-liquid products; the bubble jet generating system is formed by mixing a coupled bubble jet and an impinging stream; two nozzles are horizontally and symmetrically arranged on two sides of the tank body; one side of the nozzle is provided with three sections of reducing structures which are positioned on the same axis and correspond to liquid inlets arranged in the nozzle; the upper part of the nozzle cavity is provided with an air inlet, the inner opening of the air inlet is opposite to the conical surface of the liquid inlet arranged in the nozzle, the inlet end of the liquid inlet is vertical and closed with the other end of the nozzle, and liquid can only enter the nozzle cavity from the liquid inlet.
The device is characterized in that the tank body of the fermentation tank is a vertical cylinder, an elliptical end socket is arranged at the upper part and the lower part of the vertical cylinder, a jacket is arranged on the outer wall of the vertical cylinder, an exhaust port, a pressure gauge and an on-line dissolved oxygen concentration monitor are arranged on the upper end socket, a liquid outlet is arranged on the lower end socket, and an overflow port is arranged on the side face of the vertical cylinder.
The bubble jet coupling impinging stream enhanced aerobic fermentation process device comprises the following components: the device comprises a tank body, a nozzle, a jacket, an overflow port, an exhaust port, a liquid outlet, a barometer and an online dissolved oxygen concentration monitor.
The device is characterized in that a jacket is arranged on the outer wall of the tank body, an overflow port is arranged on the right side of the tank body, an exhaust port is arranged above the tank body and communicated with a gas collecting bottle, a liquid outlet is arranged below the tank body and communicated with a liquid collecting barrel, and nozzles are horizontally and coaxially arranged on two sides of the tank body.
The air pump and the air storage bottle are connected to the air inlet through the pump, the liquid pump and the liquid storage barrel are connected to the liquid inlet through the pump, and a flowmeter and a gate valve are arranged between the air pump and the air storage bottle.
The utility model has the advantages and effects that:
1. the device combines the characteristics of a bubble jet technology and an impinging stream technology, particularly aims at fermentation of aerobic organisms, utilizes bubble jet generated by gas-liquid premixing to perform impinging reaction in a tank body, converts an ascending bubble group flow pattern, forms an annular vortex area from the bottom of liquid to the liquid level in the tank body, and the fluid in a stagnation area is disturbed, so that gas-liquid mixing is enhanced, uniform distribution of different liquid level flora density is caused, fungus breathing balance is facilitated, and fermentation yield can be remarkably improved. The dissolved oxygen and the mixing degree in the liquid can be regulated and controlled through the gas-liquid feeding flow rate ratio in the fermentation process, so that the oxygen concentration requirement in the aerobic fermentation process is ensured, and the fermentation process under the environment of multiple complex fluid systems is satisfied.
2 the device of the utility model has no mechanical stirring structure, can not damage fermentation fungus in the working process, has the characteristics of regulating and controlling oxygen transmission and improving efficiency, and is suitable for being applied to fermentation processes of multiple biological systems and multicomponent complex fluids. The fermentation device has low energy consumption, easy cleaning and disinfection, simple and easy operation and outstanding effect.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the device of the present utility model;
FIG. 2 is a schematic view of a nozzle according to the present utility model.
The components in the figure: 1-liquid pump, 2-liquid storage cylinder, 3-gas collecting cylinder, 4-bubble flow, 5-exhaust port, 6-barometer, 7-tank, 8-overflow port, 9-jacket, 10-gate valve, 11-in-line dissolved oxygen concentration monitor, 12-gas inlet, 13-liquid inlet, 14-flowmeter, 15-gas pump, 16-gas storage cylinder, 17-nozzle, 18-liquid collecting cylinder and 19-liquid outlet.
Detailed Description
The present utility model will be described in detail with reference to the embodiments shown in the drawings.
The device main body of the utility model consists of a bubble jet generation system, a fermentation tank and parts. The tank body of the fermentation tank is a vertical cylinder, an elliptical end socket is arranged at the upper part and the lower part, a jacket is arranged on the outer wall of the tank body, an exhaust port, a pressure gauge and an on-line dissolved oxygen concentration monitor are arranged on the upper end socket, a liquid outlet is arranged on the lower end socket, and an overflow port is arranged on the side face of the tank body. The bubble jet generation systems are arranged on two sides of the fermentation tank, the nozzles are horizontally and coaxially arranged on the side face of the tank body and are respectively connected with the air pump and the liquid pump flowmeter, the air storage barrels and the liquid storage barrels are arranged on two sides of the fermentation tank and used for supplying gas-liquid raw materials, and the gas collecting barrels and the liquid collecting barrels are used for collecting gas-liquid products.
Examples
The device is shown in figure 1, wherein a jacket 9 is arranged on the outer wall of a tank body 7 to maintain the internal temperature constant in the fermentation process, an overflow port 8 is arranged on the right side to control the liquid level, an exhaust port 5 is arranged above to discharge gas to a gas collecting bottle 3, a liquid discharge port 19 is arranged below to discharge liquid to a liquid collecting barrel 18, a barometer 6 is used for monitoring the internal air pressure of the tank body, and an online dissolved oxygen concentration monitor 11 is used for monitoring the dissolved oxygen amount of the liquid in real time. The nozzles 17 are horizontally and coaxially arranged at both sides of the tank 7.
As shown in fig. 2, the nozzle 17 includes an air inlet 12 and a liquid inlet 13. The nozzle 17 is connected with the air pump 15, the air pump 15 pumps air from the air storage bottle 16 to the air inlet 12, the liquid pump 1 pumps liquid from the liquid storage barrel 2 to the liquid inlet 13, and the flow rate is controlled through the flowmeter 14 and the gate valve 10. The gate valve 10, the air pump 15 and the liquid pump 1 pump air and liquid from the air storage bottle 16 and the liquid storage barrel 2 to the air inlet 12 and the liquid inlet 13 of the nozzle 17 at the same time, and the air-liquid flow rate is controlled by the flowmeter 14 and the gate valve 10. The gas-liquid raw material is premixed in the nozzle 17, the gas is broken into a plurality of bubbles to be dispersed in the liquid to form bubble jet flow due to pressure change caused by internal structural change of the nozzle 17, the bubble jet flows on two sides are impacted at the central position of the axis of the nozzle after being simultaneously ejected, the bubbles in the impact area are broken and deflected radially to form a bubble flow 4, a large number of disordered vortex structures and high turbulence areas generated by the impact strengthen internal momentum and mass transfer, the bubble flow 4 is disturbed, the annular vortex areas are generated by the transformation of the bubble flow pattern to strengthen the gas-liquid mixing again, and the transfer rate of oxygen in the liquid is improved. One side of the nozzle 17 is provided with three sections of reducing structures which are positioned on the same axis and correspond to the liquid inlet 13 arranged in the nozzle 17; the upper part in the cavity of the nozzle 17 is provided with an air inlet 12, the inner opening of the air inlet 12 is opposite to the conical surface of a liquid inlet 13 arranged in the nozzle 17, the inlet end of the liquid inlet 13 is vertical and closed with the other end of the nozzle 17, and liquid can only enter the cavity of the nozzle 17 from the liquid inlet 13; this configuration facilitates the impingement and flow of the liquid.
In operation, the gate valve 10 is first opened, air in the air storage bottle 16 is pumped to the air inlet 12 by the air pump 15, culture solution in the liquid storage cylinder 2 is pumped to the liquid inlet 13 by the liquid pump, and the air-liquid pumping flow rate is controlled by the flowmeter 14 and the gate valve 10. Air and culture solution are premixed in the nozzle 17, pressure change is caused by the change of the internal structure of the nozzle 17, the air is sheared into a plurality of bubbles to be dispersed in the culture solution to form bubble jet flow, and the bubble jet flow collides with the central position of the axis of the nozzle after being ejected, and is deflected radially to form a bubble flow 4. The impingement zone is highly turbulent and produces a large number of disordered vortex structures which break up the bubbles and interfere with the rising flow pattern of the bubble flow 4. The bubble flow pattern is transformed to generate an annular vortex area, so that the contact area of the fermentation liquid and oxygen is increased, the contact time is prolonged, and the transfer rate of oxygen in the fermentation liquid is improved. The jacket 9 ensures that the internal temperature of the tank body 7 is proper, the jacket 9 ensures that the internal temperature of the tank body 7 is maintained at 25 ℃, the overflow port 8 controls the internal liquid level height, and the on-line dissolved oxygen concentration monitor 11 and the barometer 6 monitor the dissolved oxygen amount and the pressure of the internal culture solution in real time, so that the fermentation proper environment is achieved. After fermentation, the fermentation liquid containing the penicillium is discharged to a liquid collecting cylinder 18 through a liquid outlet 19 for collection, and the generated gas is discharged to a gas collecting cylinder 3 through an air outlet 5 for collection.
Claims (5)
1. The device comprises a tank body, overflow ports, jackets, gate valves, nozzles, air inlets, liquid inlets, flow meters, air outlets, liquid discharge ports, gas collecting cylinders, liquid collecting barrels, liquid storage cylinders, gas pumps, liquid pumps, barometers and online dissolved oxygen concentration monitors, and is characterized in that a bubble jet generation system is arranged on two sides of a fermentation tank, the nozzles are horizontally and coaxially arranged on the side surface of the tank body and are respectively connected with the gas pumps and the liquid pump flow meters, the gas storage barrels and the liquid storage barrels are arranged on two sides of the fermentation tank to supply gas-liquid raw materials, and the gas collecting barrels and the liquid storage barrels collect gas-liquid products; the bubble jet generating system is formed by mixing a coupled bubble jet and an impinging stream; two nozzles are horizontally and symmetrically arranged on two sides of the tank body; one side of the nozzle is provided with three sections of reducing structures which are positioned on the same axis and correspond to liquid inlets arranged in the nozzle; the upper part of the nozzle cavity is provided with an air inlet, the inner opening of the air inlet is opposite to the conical surface of the liquid inlet arranged in the nozzle, the inlet end of the liquid inlet is vertical and closed with the other end of the nozzle, and liquid can only enter the nozzle cavity from the liquid inlet.
2. The device for strengthening aerobic fermentation by bubble jet coupling impinging stream according to claim 1, wherein the tank body of the fermentation tank is a vertical cylinder, an elliptical end socket is arranged on the upper part and the lower part of the tank body, a jacket is arranged on the outer wall of the tank body, an exhaust port, a pressure gauge and an online dissolved oxygen concentration monitor are arranged on the upper end socket, a liquid outlet is arranged on the lower end socket, and an overflow port is arranged on the side surface of the tank body.
3. The bubble jet coupled impinging stream enhanced aerobic fermentation process device according to claim 2, wherein the fermentation tank is configured to: the device comprises a tank body, a nozzle, a jacket, an overflow port, an exhaust port, a liquid outlet, a barometer and an online dissolved oxygen concentration monitor.
4. The bubble jet coupling impinging stream enhanced aerobic fermentation process device according to claim 1, wherein a jacket is arranged on the outer wall of the tank body (7), an overflow port (8) is arranged on the right side, an exhaust port (5) is arranged above the tank body, the exhaust port (5) is communicated with the gas collection bottle (3), a liquid outlet (19) is arranged below the tank body and communicated with the liquid collection barrel (18), and nozzles (17) are horizontally and coaxially arranged on two sides of the tank body (7).
5. The bubble jet coupling impinging stream enhanced aerobic fermentation process device according to claim 1, wherein the air pump (15) and the air storage bottle (16) are connected to the air inlet (12) through a pump, the liquid pump (1) and the liquid storage barrel (2) are connected to the liquid inlet (13) through a pump, and the air-liquid flow is controlled through the flowmeter (14) and the gate valve (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223109727.2U CN219363647U (en) | 2022-11-23 | 2022-11-23 | Bubble jet coupling impinging stream enhanced aerobic fermentation process device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223109727.2U CN219363647U (en) | 2022-11-23 | 2022-11-23 | Bubble jet coupling impinging stream enhanced aerobic fermentation process device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219363647U true CN219363647U (en) | 2023-07-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223109727.2U Active CN219363647U (en) | 2022-11-23 | 2022-11-23 | Bubble jet coupling impinging stream enhanced aerobic fermentation process device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219363647U (en) |
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2022
- 2022-11-23 CN CN202223109727.2U patent/CN219363647U/en active Active
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