Gas-liquid mixing stirrer
By introducing an inner baffle and an optimized gas distribution device into the gas-liquid mixing agitator, the problems of insufficient gas holding capacity and shear capacity are solved, achieving more uniform mixing and more efficient stirring effect, thus improving product quality.
Patent Information
- Application Number
- CN202520178977.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-05
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2035-02-05
AI Technical Summary
Existing gas-liquid mixing agitators suffer from poor gas holding capacity, insufficient shearing capacity, uneven mixing, and eddy current phenomena, which affect the mixing effect and product quality.
Design a gas-liquid mixing mixer that includes a mixing container, a stirring device, and a gas distribution device. The mixer uses an inner baffle to prevent eddies, uses stirring blades and a gas distribution device to improve mixing efficiency, and achieves uniform gas dispersion through a gas guide pipe and a gas exchange pipe.
It effectively prevents eddies, improves mixing uniformity and efficiency, enhances the contact time between gas and liquid, and improves stirring effect and product quality.
Smart Images
Figure CN223747487U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of gas-liquid mixing, and particularly relates to a gas-liquid mixing stirrer. BACKGROUND
[0002] The gas-liquid mixing of a gas-liquid mixing stirrer, such as a fermentation tank, is to introduce compressed air from the bottom of a container, and to stir the air and the material by the stirrer to increase the contact between the air and the material. However, the gas-holding capacity of the current gas-liquid mixing stirrer with a straight blade structure is poor. Although the gas-holding capacity of the stirrer with a blade with a large curvature, such as a half-pipe type or a double-curved surface type, is relatively strong, thereby improving the dispersion and mass transfer effect, the shear capacity of the stirrer with the blade is decreased, which is not conducive to the dispersion of bubbles and material particles, thereby affecting the stirring effect. In addition, the rotating disc of the current gas-liquid mixing stirrer is a flat plate type, which makes the air quickly spread from the periphery of the rotating disc, so that the contact time between the air and the material is short during the stirring process, thereby resulting in an unsatisfactory stirring effect and being not conducive to the full reaction of the material and the air.
[0003] Meanwhile, the traditional gas-liquid mixing stirrer is prone to vortex during the mixing process, which leads to uneven mixing and affects the product quality and production efficiency. CONTENT OF THE PRESENT DISCLOSURE
[0004] The main purpose of the present application is to provide a gas-liquid mixing stirrer, which can effectively prevent vortex and improve the mixing efficiency and uniformity by using the design of the inner baffle of the mixing container.
[0005] In order to solve the foregoing technical problems, the present application provides a gas-liquid mixing stirrer, which comprises a mixing container, a stirring device and a gas distribution device, the stirring device and the gas distribution device are arranged in the mixing container, the stirring device is located above the gas distribution device, and an inner baffle is arranged in the mixing container.
[0006] The top of the mixing container is provided with an air outlet and a water inlet, and the bottom of the mixing container is provided with a water outlet.
[0007] Optionally, in some embodiments of the present application, the stirring device comprises a driving motor, a stirring shaft in transmission connection with the driving motor, and stirring blades arranged on the stirring shaft, the driving motor is installed on the mixing container, and the stirring shaft penetrates through the mixing container.
[0008] Optionally, in some embodiments of the present application, the plurality of groups of stirring blades are uniformly and spacedly arranged along the axial direction of the stirring shaft, and any group of stirring blades comprises four first blades which are spacedly arranged, and the bottom of the first blade close to one side of the bottom of the mixing container is provided with a second blade.
[0009] Optionally, in some embodiments of the present application, the first blade and the second blade are detachably connected through bolts.
[0010] Optionally, in some embodiments of the present application, the gas distribution device comprises a gas guide pipe and a gas exchange pipe in communication with the gas guide pipe, the gas guide pipe penetrates through the mixing container, and the gas exchange pipe is arranged around the inside of the mixing container, and the gas exchange pipe is provided with a plurality of first gas outlets.
[0011] Optionally, in some embodiments of the present application, the gas distribution device further comprises an extension pipe in communication with the gas exchange pipe, and the extension pipe is arranged alternately with the stirring device, and the extension pipe is provided with a plurality of second gas outlets.
[0012] Optionally, in some embodiments of the present application, the first gas outlet and the second gas outlet are both provided with a spray head.
[0013] Optionally, in some embodiments of the present application, the first gas outlet and the second gas outlet are both threadedly connected with the spray head.
[0014] Optionally, in some embodiments of the present application, the gas guide pipe and the gas exchange pipe are both provided with a one-way valve.
[0015] Optionally, in some embodiments of the present application, the water outlet is provided with a solenoid valve.
[0016] The beneficial effects that can be achieved by the present application.
[0017] The gas-liquid mixer according to the embodiments of the present application comprises a mixing container, a stirring device, and a gas distribution device, the stirring device and the gas distribution device are both arranged in the mixing container, the stirring device is located above the gas distribution device, and an inner baffle is arranged in the mixing container.
[0018] The top of the mixing container is provided with a gas outlet and a water inlet, and the bottom of the mixing container is provided with a water outlet.
[0019] Optionally, the mixing container of the present embodiment is designed in a cylindrical or conical shape, with a flat bottom or a circular arc structure at the bottom, facilitating material discharge and cleaning. The material of the mixing container can be 304 stainless steel to ensure corrosion resistance and wear resistance of the container.
[0020] At least one baffle is arranged in the mixing container along the inner side wall thereof in parallel to the stirring device, which can cause local turbulence of the liquid in the container, so that the liquid does not generate vortex around the stirring shaft, avoiding uneven mixing of the liquid and affecting the quality and production efficiency of the product. The baffle can be a flat plate, a wavy plate, or a plate with small holes to allow a certain degree of fluid exchange while preventing the formation of large-scale vortexes. BRIEF DESCRIPTION OF DRAWINGS
[0021] Fig. 1The utility model provides a forward structure schematic diagram of gas liquid mixing stirrer provided for the embodiment of the utility model.
[0022] Fig. 2 The utility model provides a lateral structure schematic diagram of gas liquid mixing stirrer provided for the embodiment of the utility model.
[0023] Icon: 1, mixing container;11, gas outlet;12, water inlet;13, water outlet;2, stirring device;21, drive motor;22, stirring shaft;23, first fan blade;24, second fan blade;3, gas distribution device;31, gas guide pipe;32, gas exchange pipeline;33, first gas outlet hole;34, extension pipe;35, second gas outlet hole;4, baffle;5, check valve;6, electromagnetic valve.
[0024] The implementation, functional features and advantages of the application will be further described with reference to the embodiments and the accompanying drawings. DETAILED DESCRIPTION
[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0026] It should be noted that all directionality indications (such as up, down, left, right, front, back, etc.) in the embodiments of the utility model are only used to explain the relative positional relationship, movement condition, etc. between components in a certain specific posture (as shown in the drawings), and if the specific posture changes, the directionality indications will also change accordingly.
[0027] In the utility model, unless otherwise explicitly specified and limited, the terms "connection", "fixation" and the like should be understood broadly, for example, "fixation" can be fixed connection, or detachable connection, or integral; can be mechanical connection, or electrical connection; can be direct connection, or indirect connection through intermediate medium, can be the internal communication of two elements or the interaction relationship of two elements, unless otherwise explicitly limited. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
[0028] In addition, if the description of "first", "second" and the like is involved in the embodiments of the present application, the description of "first", "second" and the like is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can be explicitly or implicitly included at least one of the features. In addition, the meaning of "and / or" appearing throughout the text includes three parallel schemes. For example, "A and / or B" includes A scheme, or B scheme, or A and B scheme. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of ordinary skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the protection scope required by the present application.
[0029] The present application will be further described in detail below with reference to the accompanying drawings, so that those skilled in the art can implement the present application according to the description.
[0030] In order to achieve the above-mentioned purpose,
[0031] Referring to Figs. 1-2 , the embodiment of the present application provides a gas-liquid mixing stirrer, which comprises a mixing container 1, a stirring device 2, a gas distribution device 3, the stirring device 2 and the gas distribution device 3 are arranged in the mixing container 1, the stirring device 2 is located above the gas distribution device 3, and the inside of the mixing container 1 is provided with a baffle 4.
[0032] The top of the mixing container 1 is provided with a gas outlet 11 and a water inlet 12, and the bottom of the mixing container 1 is provided with a water outlet 13.
[0033] Optionally, the mixing container 1 of the embodiment adopts a cylindrical or conical design, and the bottom is flat or arc-shaped structure, which is convenient for material discharge and cleaning. The material of the mixing container 1 can be selected from 304 stainless steel, so as to ensure the corrosion resistance and wear resistance of the container.
[0034] At least one partition is installed in the mixing container 1 along the inner side wall thereof in parallel to the stirring device 2, which can make the liquid in the container produce local turbulent flow, so that the liquid does not produce vortex flow with the stirring shaft 22 as the center, avoiding uneven mixing of the liquid and affecting the quality and production efficiency of the product. The partition can be a flat plate, a wave-shaped plate or a plate with small holes, so as to allow a certain degree of fluid exchange while preventing the formation of large-scale vortex flow.
[0035] Among them, the number of baffles 4 is preferably four, and the gas outlet 11 is arranged at the top of the mixing container 1 for discharging the gas generated during the mixing process. The design of the gas outlet 11 takes into account the discharge speed and pressure of the gas, so as to ensure that the gas can be smoothly discharged. At the same time, the gas outlet 11 is also equipped with a valve device, so as to facilitate the control of the discharge of the gas.
[0036] The water inlet 12 is also arranged on the top of the mixing container 1 for adding new liquid. Optionally, the water inlet 12 can also be provided with monitoring devices such as flow meters and pressure gauges to facilitate real-time monitoring of the input of liquid.
[0037] The water outlet 13 is arranged at the bottom of the mixing container 1 for discharging the mixed liquid. At the same time, the water outlet 13 can be provided with valve devices and monitoring devices such as flow meters to facilitate the control of the discharge of liquid and the real-time monitoring of the output of liquid.
[0038] As an optional embodiment, the stirring device 2 of the embodiment includes a driving motor 21, a stirring shaft 22 in transmission connection with the driving motor 21, and stirring blades arranged on the stirring shaft 22. The driving motor 21 is installed on the mixing container 1, and the stirring shaft 22 penetrates the mixing container 1.
[0039] Among them, the material of the stirring shaft 22 can be selected from 304 stainless steel to ensure its corrosion resistance and wear resistance. The mechanical sealing device is used between the stirring shaft 22 and the motor to prevent liquid leakage.
[0040] Specifically, a plurality of groups of stirring blades are arranged uniformly along the axial direction of the stirring shaft 22. Any group of stirring blades includes four first blades 23 arranged at intervals, and the bottom of the first blade 23 near the bottom side of the mixing container 1 is provided with a second blade 24.
[0041] By arranging the second blade 24, the liquid at the bottom of the mixing container 1 can be better mixed and fully stirred, further improving the mixing efficiency.
[0042] It should be noted that the detachable connection between the first blade 23 and the second blade 24 through bolts is only an optional embodiment of the present embodiment, and in other embodiments, welding or latch can also be used.
[0043] As an optional embodiment, the gas distribution device 3 of the embodiment includes a gas guide pipe 31 and a gas exchange pipe 32 in communication with the gas guide pipe 31. The gas guide pipe 31 penetrates the mixing container 1, and the gas exchange pipe 32 is arranged around the inside of the mixing container 1. The gas exchange pipe 32 is provided with a plurality of first gas outlets 33.
[0044] The gas guide pipe 31 is used to connect with the external gas source, and the material of the gas guide pipe 31 is selected from corrosion-resistant and high-pressure-resistant materials, such as stainless steel or alloy steel, to ensure long-term stable operation. The diameter of the gas guide pipe 31 is designed according to the flow and pressure of the gas to ensure that the gas can smoothly enter the mixing container 1. The gas exchange pipeline 32 is arranged around the inside of the mixing container 1 and is connected with the end of the gas guide pipe 31. The gas exchange pipeline 32 is designed in a ring or spiral shape to increase the contact area with the liquid and improve the gas-liquid mixing efficiency. The material of the gas exchange pipeline 32 is also selected from corrosion-resistant and high-pressure-resistant materials. A plurality of first gas outlets 33 are arranged on the gas exchange pipeline 32, which are uniformly distributed to ensure that the gas can be uniformly dispersed into the liquid in the form of small bubbles. The size and number of the first gas outlets 33 are optimized according to the flow and dispersion requirements of the gas
[0045] The extension pipe 34 is connected with the gas exchange pipeline 32 and extends along the axial or radial direction of the mixing container 1 and is staggered with the first fan blade 23 to further enhance the exchange efficiency. The material and size of the extension pipe 34 are the same as those of the gas exchange pipeline 32 to ensure its corrosion resistance and high pressure resistance.
[0046] Optionally, the gas distribution device 3 of the embodiment further includes an extension pipe 34 connected with the gas exchange pipeline 32, and the extension pipe 34 is staggered with the stirring device 2, and the extension pipe 34 is provided with a plurality of second gas outlets 35.
[0047] The gas guide pipe 31, the gas exchange pipeline 32 and the extension pipe 34 are connected through connecting components such as flanges, threaded joints and the like to ensure their sealing and stability. Sealing devices such as O-rings, sealing pads and the like are arranged at the connection between the gas guide pipe 31, the gas exchange pipeline 32 and the extension pipe 34 and the mixing container 1 to prevent gas leakage and liquid infiltration.
[0048] Further, the first gas outlets 33 and the second gas outlets 35 are provided with spray heads, so that the gas is uniformly sprayed into the liquid in the form of small bubbles through the spray heads at the first gas outlets 33. At the same time, part of the gas is further sprayed into the rotating liquid through the second gas outlets 35 on the extension pipe 34. These small bubbles are rapidly dispersed and dissolved into the liquid under the rotation and shearing action of the liquid, thereby realizing high-efficiency gas-liquid mixing
[0049] Optionally, the first gas outlets 33 and the second gas outlets 35 are threadedly connected with the spray heads. The gas pipe and the gas exchange pipe are provided with one-way valves 5.
[0050] The above merely preferred embodiments of the present application are not used to limit the present application, and for those skilled in the art, it is obvious that the present application is not limited to the details of the above exemplary embodiments, and the present application can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application.
Claims
1. A gas-liquid mixing agitator characterized by: The mixing container, the stirring device and the gas distribution device are arranged in the mixing container, the stirring device is above the gas distribution device, and baffles are arranged inside the mixing container; The mixing container is provided with a gas outlet and a water inlet at the top and a water outlet at the bottom.
2. The gas-liquid hybrid agitator according to claim 1, characterized by: The stirring device comprises a driving motor, a stirring shaft in transmission connection with the driving motor and stirring blades arranged on the stirring shaft, the driving motor is mounted on the mixing container, and the stirring shaft penetrates the mixing container.
3. The gas-liquid hybrid agitator of claim 2, wherein: A plurality of groups of the stirring blades are uniformly and spacedly arranged along the axial direction of the stirring shaft, any group of the stirring blades comprises four first vanes arranged at intervals, and the bottom of the first vane close to one side of the bottom of the mixing container is provided with a second vane.
4. The gas-liquid hybrid agitator of claim 3, wherein: The first vane and the second vane are detachably connected through bolts.
5. The gas-liquid hybrid agitator of claim 1, wherein: The gas distribution device comprises a gas guide pipe and a gas exchange pipeline in communication with the gas guide pipe, the gas guide pipe penetrates the mixing container, the gas exchange pipeline is arranged around the inside of the mixing container, and the gas exchange pipeline is provided with a plurality of first gas outlets.
6. The gas-liquid hybrid agitator of claim 5, wherein: The gas distribution device further comprises an extension pipe in communication with the gas exchange pipeline, and the extension pipe is staggered with the stirring device, the extension pipe is provided with a plurality of second gas outlets.
7. The gas-liquid hybrid agitator of claim 6, wherein: The first gas outlets and the second gas outlets are each provided with a spray head.
8. The gas-liquid hybrid agitator of claim 7, wherein: The first gas outlets and the second gas outlets are each in threaded connection with the spray head through threads.
9. The gas-liquid hybrid agitator of claim 5, wherein: The gas guide pipe and the gas exchange pipeline are each provided with a one-way valve.
10. The gas-liquid hybrid agitator of claim 1, wherein: The water outlet is provided with a solenoid valve.