Porous impinging stream micromixer

Abstract

The utility model discloses a porous impinging stream micro-mixer, which comprises an upper shell, a lower shell, a plurality of flow dividing grooves, a plurality of flow dividing plates, a plurality of flow dividing plates, a plurality of flow dividing plates, a plurality of flow dividing plates, a plurality of flow dividing plates, a plurality of flow dividing plates and a plurality of flow dividing plates, and is characterized in that the upper shell is internally provided with at least two feeding channels; the lower shell is detachably connected with the bottom of the upper shell, a plurality of material distributing channels are formed in the lower shell, each flow distributing groove is correspondingly communicated with one material distributing channel, and each material distributing channel is communicated from the top to the bottom of the upper shell; and the mixing barrel is detachably connected with the bottom of the lower shell, and the bottom of each material distribution channel communicates with the mixing barrel. The porous impinging stream micro-mixer provided by the utility model has the advantages of high mixing efficiency, simple structure, easiness in maintenance, wide application range and the like, and has wide application prospects in a plurality of fields such as chemical industry, medicines, food processing and the like.

Description

TECHNICAL FIELD

[0001] The utility model relates to material mixing equipment technical field more specifically, the utility model relates to a kind of porous impinging stream micro-mixer. BACKGROUND

[0002] With the rapid development of micro-electro-mechanical systems (MEMS) and nanotechnology, porous micro-mixers have been widely used in various fields such as chemistry, biology and medicine. Porous micro-mixers achieve efficient mixing of fluids through specially designed porous structures, improve heat and mass transfer efficiency, shorten reaction time, and enhance safety. However, existing porous micro-mixers often have complex structures, including multiple precision components and connectors. This complexity not only increases manufacturing costs, but also makes maintenance and repair difficult. In addition, during use, impurities and residues in the fluid may clog the porous structure, affecting mixing efficiency and performance. To maintain the optimal working condition of the micro-mixer, regular disassembly and cleaning are required. However, existing porous micro-mixers are often designed too compactly, making the disassembly and cleaning process tedious and time-consuming. This not only increases operating costs, but also may cause equipment damage due to improper cleaning.

[0003] Therefore, there is a need for a porous micro-mixer with simple structure, easy to disassemble and clean, to ensure its long-term stable operation. SUMMARY

[0004] An object of the present utility model is to solve at least the above problems and provide at least the advantages to be explained later.

[0005] Another object of the present utility model is to provide a porous impinging stream micro-mixer with simple structure, easy to disassemble and clean, solving the above technical problems.

[0006] To achieve these objects and other advantages according to the present utility model, a porous impinging stream micro-mixer is provided, comprising:

[0007] an upper housing having at least two inlet channels, each inlet channel extending from the top to the bottom of the upper housing, and a plurality of flow distribution grooves corresponding to the bottom of each inlet channel, each flow distribution groove being in communication with the corresponding inlet channel through a flow guide groove; the flow distribution grooves and flow guide grooves are located at the bottom of the upper housing;

[0008] a lower housing detachably connected to the bottom of the upper housing, the lower housing having a plurality of distribution channels, each flow distribution groove corresponding to one distribution channel, and each distribution channel extending from the top to the bottom of the upper housing;

[0009] a mixing barrel detachably connected to the bottom of the lower housing, and the bottom of each distribution channel being in communication with the mixing barrel.

[0010] Preferably, the porous impinging stream micro-mixer is provided with a flow distribution pipe at the bottom of each distribution channel, each flow distribution pipe comprising a first part coaxially communicating with the corresponding distribution channel at the top and a second part communicating with the bottom of the first part, the lower end of the second part extending downwardly and obliquely towards the direction close to the central axis of the lower shell.

[0011] Preferably, the porous impinging stream micro-mixer is provided with a high-pressure nozzle at the lower end of each second part.

[0012] Preferably, the porous impinging stream micro-mixer is provided with a first handle symmetrically arranged at the two sides of the upper shell, each first handle being provided with a first positioning hole 16, and a second handle symmetrically arranged at the two sides of the lower shell, each second handle being provided with a second positioning hole, each first positioning hole 16 being detachably connected with the second positioning hole at the same side through a bolt and a nut.

[0013] Preferably, the porous impinging stream micro-mixer is provided with a plurality of guide columns arranged in the middle of the bottom surface of the upper shell, and a plurality of guide grooves corresponding to the guide columns arranged in the middle of the top surface of the lower shell.

[0014] Preferably, the porous impinging stream micro-mixer is provided with two flow distribution groove groups arranged at the bottom of each feed channel, each flow distribution groove group comprising a plurality of flow distribution grooves arranged at intervals in the circumferential direction, and the center points of the flow distribution grooves of each flow distribution groove group being located on the axis of the corresponding feed channel; the flow distribution grooves of the two flow distribution groove groups being arranged in a cross manner.

[0015] Preferably, the porous impinging stream micro-mixer is provided with a flow guide column coaxially arranged at the bottom of each feed channel, a plurality of connecting grooves arranged on the circumferential side surface of the flow guide column, each connecting groove corresponding to one of the flow distribution grooves of each flow distribution groove group, and each connecting groove being capable of communicating the feed channel with the corresponding flow distribution groove.

[0016] Preferably, the porous impinging stream micro-mixer is provided with a rotating rod coaxially arranged at the top of each flow guide column, the top of the rotating rod vertically extending out of the top of the corresponding feed channel, and the two rotating rods being linked with the output shaft of the driving motor.

[0017] The utility model at least includes following beneficial effects:

[0018] The multi-hole impinging stream micro-mixer provided by the utility model realizes the rapid and uniform mixing of multiple material fluids through the design of multi-hole flow division and impinging stream effect, on the basis of which, the upper shell, the lower shell and the mixing barrel are detachably connected, and the flow division groove and the flow guide groove are arranged on the bottom surface of the upper shell, so that the utility model is convenient to disassemble and clean and guarantees the cleanliness of the next mixing process, and the utility model has the advantages of high mixing efficiency, simple structure, easy maintenance and wide application range and the like and has a wide application prospect in the fields of chemical industry, medicine, food processing and the like.

[0019] Other advantages, objects and features of the utility model will be embodied partly through the following description, and will be understood by those skilled in the art through the research and practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a structure schematic view of the top of the upper shell of the multi-hole impinging stream micro-mixer described in one of the technical schemes of the utility model.

[0021] Figure 2 It is a structure schematic view of the bottom of the upper shell of the multi-hole impinging stream micro-mixer described in another technical scheme of the utility model.

[0022] Figure 3 It is a structure schematic view of the top of the lower shell of the multi-hole impinging stream micro-mixer described in another technical scheme of the utility model.

[0023] Figure 4 It is a structure schematic view of the bottom of the upper shell of the multi-hole impinging stream micro-mixer described in another technical scheme of the utility model.

[0024] Figure 5 It is a structure schematic view of the top of the lower shell of the multi-hole impinging stream micro-mixer described in another technical scheme of the utility model.

[0025] Figure 6 It is a sectional view of the multi-hole impinging stream micro-mixer described in another technical scheme of the utility model.

[0026] Figure 7 It is a sectional view of the multi-hole impinging stream micro-mixer described in another technical scheme of the utility model.

[0027] Figure 8 It is a plan view of the flow guide column described in another technical scheme of the utility model.

[0028] Explanation of reference numerals in the attached drawings: 1-Upper shell; 11-Feeding channel; 12-Diverter groove; 121-First diverter groove; 122-Second diverter groove; 13-Guide groove; 14-Guide post; 15-First handle; 16-First positioning hole; 2-Lower shell; 21-Distribution channel; 211-First distribution channel; 212-Second distribution channel; 22-Guide groove; 23-Second handle; 24-Second positioning hole; 3-Diverter pipe; 4-Guide post; 5-Rotating rod; 6-Motor. Detailed Implementation

[0029] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments, so that those skilled in the art can implement it based on the description.

[0030] It should be understood that terms such as “having,” “comprising,” and “including” as used herein do not exclude the presence or addition of one or more other elements or combinations thereof.

[0031] It should be noted that, unless otherwise specified, the experimental methods described in the following implementation plan are all conventional methods, and the reagents and materials described are all commercially available unless otherwise specified.

[0032] In the description of this utility model, the terms "lateral", "longitudinal", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", and "outer" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0033] like Figures 1-8 As shown, this utility model provides a porous impinging flow micromixer, which includes:

[0034] The upper housing 1 has at least two feeding channels 11 inside. Each feeding channel 11 runs through the top to the bottom of the upper housing 1. Each feeding channel 11 has multiple diversion channels 12 at its bottom. Each diversion channel 12 is connected to the bottom of the corresponding feeding channel 11 through a guide channel 13. Both the diversion channels 12 and the guide channels 13 are located at the bottom of the upper housing 1.

[0035] The lower housing 2 is detachably connected to the bottom of the upper housing 1. The lower housing 2 is provided with multiple material distribution channels 21. Each distribution channel 12 is connected to a material distribution channel 21. Each material distribution channel 21 runs from the top to the bottom of the upper housing 1.

[0036] A mixing barrel is detachably connected with the bottom of the lower shell 2, and the bottom of each distribution channel 21 communicates with the mixing barrel.

[0037] In the technical scheme, the multi-hole impinging stream micro-mixer comprises an upper shell 1 and a lower shell 2 which are detachably connected in sequence, the upper shell 1 and the lower shell 2 are preferably coaxial and cylindrical structures with the same size, a feeding channel 11 which extends along the axial direction of the upper shell 1 and penetrates from the top to the bottom is arranged in the upper shell 1, at least two feeding channels 11 are arranged to meet the mixing of at least two materials, a plurality of distribution grooves 12 are arranged on the bottom surface of the upper shell 1, each distribution groove 12 is a cylindrical groove formed by the inward axial recess of the bottom surface of the upper shell 1, the plurality of distribution grooves 12 are arranged in a semicircular shape along the circumferential direction with the center of the circular structure of the bottom surface of the corresponding feeding channel 11 as the center, each distribution groove 12 communicates with the bottom of the corresponding feeding channel 11 through a flow guide groove 13, the flow guide groove 13 is also a linear groove formed by the inward axial recess of the bottom surface of the upper shell 1, one distribution channel 21 is arranged corresponding to each distribution groove 12, (the feeding channel 11 and the distribution channel 21 are both hollow cylinder structures with open ends), each distribution channel 21 penetrates along the axial direction of the lower shell 2 from the top to the bottom, and the bottom of the distribution channel 21 communicates with the mixing barrel; the opening ends of the flow guide groove 13 and the distribution groove 12 are in contact with the top surface of the lower shell 2, so that the materials in the feeding channel 11 flow downward, pass through the bottom of the feeding channel 11, flow into the distribution groove 12 through the flow guide groove 13, and then flow into the distribution channel 21; in actual application, the bottom surface of the flow guide groove 13 is preferably arranged to be an inclined surface which extends downward along the radial direction; the materials to be mixed enter through the top of one feeding channel 11, flow along the axial direction of the feeding channel 11 to the bottom of the feeding channel 11, flow into the distribution groove 12 through the flow guide groove 13, and then enter the plurality of distribution channels 21, so that the materials are distributed, the multiple streams of materials distributed through the distribution channels 21 enter the mixing barrel from the bottom of the distribution channels 21, each material is divided into multiple streams and jetted into the mixing barrel to generate impinging streams, so that the multiple streams of materials are quickly and uniformly mixed.

[0038] The multi-hole impinging stream micro-mixer has the advantages of high mixing efficiency, simple structure, easy maintenance, wide application range and the like, and has a wide application prospect in the fields of chemical industry, medicine, food processing and the like.

[0039] The utility model Figures 1-3The porous impinging stream micro-mixer is suitable for mixing two materials, two feed channels 11 are arranged in the upper shell 1, four flow guide grooves 13 and four distribution grooves 12 are arranged in each feed channel 11, eight distribution channels 21 are arranged on the lower shell 2 in correspondence, and one distribution channel 21 is arranged directly below each distribution groove 12; preferably, a cylindrical buffer groove corresponding to the feed channel 11 in the axial direction and a linear groove corresponding to the flow guide groove 13 in the axial direction can be arranged on the top surface of the lower shell 2.

[0040] In another technical solution, the porous impinging stream micro-mixer, the bottom of each distribution channel 21 is provided with a distribution pipe 3, each distribution pipe 3 includes a first part coaxially communicated with the corresponding distribution channel 21 and a second part communicated with the bottom of the first part, and the lower end of the second part extends downwardly and obliquely towards the direction close to the central axis of the lower shell 2. The distribution pipe 3 arranged at the bottom of each distribution channel 21 includes a hollow cylindrical structure of the first part coaxial with the distribution channel 21 and the second part in sealed communication with the first part and arranged obliquely, under the action of the distribution pipe 3, the flow path of the fluid can be changed from linear to oblique downwardly and inwardly along the radial direction, increasing the impingement effect of multiple fluid streams and improving the uniformity of material mixing. The first part and the second part of the distribution pipe 3 are integrally formed, the upper end of the first part is detachably connected to the bottom of the corresponding distribution channel 21 (for example, the first part of the distribution pipe 3 can be machined into an external thread, and the bottom of the distribution channel can be machined into an internal thread, and they are screwed to realize detachable connection), which is designed to be detachable, facilitating the disassembly and cleaning of the distribution pipe 3.

[0041] In another technical solution, the porous impinging stream micro-mixer, the lower end of each second part is provided with a high-pressure nozzle. The high-pressure nozzle is arranged at the lower end (discharge port) of the second part, when the fluid is sprayed out of the high-pressure nozzle at the lower end of the second part of the distribution pipe 3, the material fluid will impact at high speed on other fluids in the mixing barrel, this impact produces strong turbulent effect and shear force, effectively promoting the mixing and dispersion between the fluids, and the kinetic energy of the fluid is fully utilized during the impact process, which is converted into radial velocity and shear force, further enhancing the mixing effect.

[0042] In another technical solution, the first handle 15 is symmetrically arranged on the two sides of the upper shell 1, the first positioning hole 16 is arranged on each first handle 15, the second handle 23 is symmetrically arranged on the two sides of the lower shell 2, the second positioning hole 24 is arranged on each second handle 23, and each first positioning hole 16 is detachably connected with the second positioning hole 24 located on the same side through a bolt and a nut. The detachable connection mode of the upper shell 1 and the lower shell 2 can be selected as the bolt and nut cooperation mode. Specifically, the handle is arranged on each of the two sides of the upper shell 1 and the lower shell 2, the positioning hole (thread hole) is arranged on the handle, the bolt is passed through the corresponding two positioning holes (the first positioning hole 16 and the second positioning hole 24) along the axial direction, and the bolt is locked through the nut. The detachable connection mode of the bolt and the nut can bear a large pressure and tension, and is easy to disassemble and maintain. The detachable connection mode of the upper shell 1 and the lower shell 2 is not limited to the bolt and nut cooperation mode, and other connection modes can also be selected, such as the buckle connection mode for quickly connecting the two shells. Specifically, the buckle and the buckle groove can be designed on the upper shell 1 and the lower shell 2 respectively, and the connection can be realized through the cooperation of the buckle and the buckle groove.

[0043] In another technical solution, the plurality of guide columns 14 are arranged in the middle of the bottom surface of the upper shell 1, and the plurality of guide grooves 22 corresponding to the plurality of guide columns 14 are arranged in the middle of the top surface of the lower shell 2. The corresponding guide column 14 is inserted into the corresponding guide groove 22, at this time, each flow dividing groove 12 is in communication with the corresponding material dividing channel 21, and the guide column 14 and the guide groove 22 play a guiding role when the upper shell 1 and the lower shell 2 are connected, so as to ensure that the flow dividing groove 12 is in communication with the corresponding material dividing channel 21 after the upper shell 1 and the lower shell 2 are connected.

[0044] In another technical solution, the plurality of guide columns 14 are arranged in the middle of the bottom surface of the upper shell 1, and the plurality of guide grooves 22 corresponding to the plurality of guide columns 14 are arranged in the middle of the top surface of the lower shell 2. The corresponding guide column 14 is inserted into the corresponding guide groove 22, at this time, each flow dividing groove 12 is in communication with the corresponding material dividing channel 21, and the guide column 14 and the guide groove 22 play a guiding role when the upper shell 1 and the lower shell 2 are connected, so as to ensure that the flow dividing groove 12 is in communication with the corresponding material dividing channel 21 after the upper shell 1 and the lower shell 2 are connected.

[0045] The flow guide column 4 is coaxially arranged at the bottom of each material feeding channel 11, a plurality of connecting grooves are arranged on the circumferential side surface of the flow guide column 4, the plurality of connecting grooves correspond to the plurality of flow dividing grooves 12 of each flow dividing groove group one by one, and each connecting groove can communicate the material feeding channel 11 with the corresponding flow dividing groove 12.

[0046] In the above technical solution, as Figures 4-5The utility model discloses a plurality of first flow grooves 121 are arranged along the circumferential direction of the corresponding feed channel 11, and each first flow groove 121 is correspondingly provided with a second flow groove 122 and a first sub-feed channel 211, and each second flow groove 122 is correspondingly provided with a second sub-feed channel 212, so that the material can be distributed to the first sub-feed channel 211 and the second sub-feed channel 212 in the circumferential direction of the corresponding feed channel 11, and the material can be distributed to the first sub-feed channel 211 and the second sub-feed channel 212 in the axial direction of the corresponding feed channel 11, and the material can be distributed to the first sub-feed channel 211 and the second sub-feed channel 212 in the axial direction of the corresponding feed channel 11.

[0047] In another technical solution, the porous impinging stream micro-mixer is characterized in that a rotating rod 5 is coaxially arranged at the top of each flow guide column 4, the upper end of the rotating rod 5 extends vertically upward through the top of the corresponding feed channel 11, and the two rotating rods 5 are connected with the output shaft of a driving motor 6. In this technical solution, the rotating arrangement mode of the flow guide column 4 in the corresponding feed channel 11 is disclosed, a rotating rod 5 is coaxially arranged at the top of the flow guide column 4, the top of the rotating rod 5 extends vertically upward through the corresponding feed channel 11, a driving motor 6 (servo motor 6) is arranged between the two feed channels 11, the output shaft of the motor 6 is connected with the top of the two rotating rods 5, and the specific connection mode is belt transmission. The top of the feed channel 11 is a feed inlet, and in actual application, the material can be injected into the feed channel 11 from the feed inlet through a plunger pump.

[0048] The number of devices and the scale of processing described herein are intended to be illustrative of the application. Applications, modifications and variations of the present application that are obvious to those of ordinary skill in the art are intended to be within the scope of the present application.

[0049] Although the embodiments of the present application have been disclosed as above, it is not limited to the applications and embodiments listed in the specification, and can be applied to various fields suitable for the present application. Those skilled in the art can easily make other modifications, and therefore the present application is not limited to the specific details and the figures shown and described herein.

Claims

1. A porous impinging stream micromixer characterized in that, The application relates to a mixing device for mixing materials, which comprises an upper shell, a lower shell and a mixing barrel. The upper shell is internally provided with at least two feeding channels, each of which penetrates from the top to the bottom of the upper shell, and a plurality of distribution grooves are arranged at the bottom of each feeding channel, and each distribution groove is communicated with the bottom of the corresponding feeding channel through a guide groove; the distribution grooves and the guide grooves are arranged at the bottom of the upper shell. The lower shell is detachably connected with the bottom of the upper shell, and the inside of the lower shell is provided with a plurality of distribution channels, each distribution groove is communicated with a distribution channel, and each distribution channel penetrates from the top to the bottom of the upper shell. The bottom of each distribution channel is communicated with the mixing barrel.

2. The multi-orifice impinging stream micromixer of claim 1 wherein, The bottom of each distribution channel is provided with a distribution pipe, each distribution pipe comprises a first part coaxially communicated with the corresponding distribution channel at the top and a second part communicated with the bottom of the first part, and the lower end of the second part extends downwardly in the direction close to the central axis of the lower shell.

3. The multi-orifice impinging stream micromixer of claim 2, wherein, The lower end of each second part is provided with a high-pressure nozzle.

4. The multi-orifice impinging stream micromixer of claim 3, wherein, The upper shell is symmetrically provided with first handles on both sides, each first handle is provided with a first positioning hole, the lower shell is symmetrically provided with second handles on both sides, each second handle is provided with a second positioning hole, and each first positioning hole is detachably connected with the second positioning hole on the same side through bolts and nuts.

5. The multi-orifice impinging stream micromixer of claim 4 wherein, The middle part of the bottom surface of the upper shell is provided with a plurality of guide columns, and the middle part of the top surface of the lower shell is provided with a plurality of guide grooves corresponding to the guide columns.

6. The multi-orifice impinging stream micromixer of claim 5 wherein, The bottom of each feeding channel is correspondingly provided with two distribution groove groups, each distribution groove group comprises a plurality of distribution grooves arranged at intervals in the circumferential direction, the center points of the plurality of distribution grooves of each distribution groove group are located on the axis of the corresponding feeding channel, and the plurality of distribution grooves of the two distribution groove groups are cross arranged. The bottom of each feeding channel is coaxially rotatably provided with a guide column, the circumferential side surface of the guide column is provided with a plurality of connecting grooves, the plurality of connecting grooves one-to-one correspond to the plurality of distribution grooves of any distribution groove group, and each connecting groove can communicate the feeding channel with the corresponding distribution groove.

7. The multi-orifice impinging stream micromixer of claim 6 wherein, The top of each guide column is coaxially provided with a rotating rod, the top of the rotating rod vertically penetrates out of the top of the corresponding feeding channel, and the two rotating rods are linked with the output shaft of a driving motor.

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