CN110605077A - A toper membrane hole microchannel structure for improving gas-liquid mixture - Google Patents
A toper membrane hole microchannel structure for improving gas-liquid mixture Download PDFInfo
- Publication number
- CN110605077A CN110605077A CN201910973148.6A CN201910973148A CN110605077A CN 110605077 A CN110605077 A CN 110605077A CN 201910973148 A CN201910973148 A CN 201910973148A CN 110605077 A CN110605077 A CN 110605077A
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- China
- Prior art keywords
- main body
- channel
- membrane
- conical
- conical membrane
- Prior art date
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- 239000012528 membrane Substances 0.000 title claims abstract description 73
- 239000007788 liquid Substances 0.000 title claims abstract description 14
- 239000000203 mixture Substances 0.000 title description 4
- 239000002994 raw material Substances 0.000 claims abstract description 31
- 238000007599 discharging Methods 0.000 claims abstract description 11
- 239000011148 porous material Substances 0.000 claims abstract description 10
- 239000006185 dispersion Substances 0.000 claims description 11
- 230000003247 decreasing effect Effects 0.000 claims description 2
- 239000012530 fluid Substances 0.000 abstract description 17
- 238000005452 bending Methods 0.000 abstract description 3
- 238000003889 chemical engineering Methods 0.000 abstract description 2
- 230000007547 defect Effects 0.000 abstract description 2
- 239000002245 particle Substances 0.000 description 13
- 239000007787 solid Substances 0.000 description 13
- 238000000034 method Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 238000011010 flushing procedure Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000012847 fine chemical Substances 0.000 description 1
- 239000002086 nanomaterial Substances 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
- B01F33/30—Micromixers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
- B01F33/30—Micromixers
- B01F33/301—Micromixers using specific means for arranging the streams to be mixed, e.g. channel geometries or dispositions
- B01F33/3017—Mixing chamber
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0053—Details of the reactor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0093—Microreactors, e.g. miniaturised or microfabricated reactors
Abstract
The invention relates to the technical field of micro chemical engineering, in particular to a conical membrane pore micro-channel structure for improving gas-liquid mixing, which solves the defects in the prior art and comprises a conical membrane outer main body and a conical membrane inner main body, wherein the conical membrane outer main body is internally provided with the conical membrane inner main body, the conical membrane outer main body also comprises a first raw material feeding channel, a mixing channel and a discharging channel, the first raw material feeding channel is arranged between the left side inside the conical membrane outer main body and the conical membrane inner main body, and the right side of the first raw material feeding channel is connected with the mixing channel. Because the flowing directions of the two fluids are forward, the bending phenomenon can not occur, and the smooth flowing can be ensured.
Description
Technical Field
The invention relates to the technical field of microchemical engineering, in particular to a conical membrane pore micro-channel structure for improving gas-liquid mixing.
Background
The micro-chemical engineering and the technology are one of the hot points and the key points of the scientific and technological innovation of the current chemical industry, a new high-efficiency and fine chemical industry era is started, the micro-channel is a reaction channel with the equivalent diameter of 10-1000 mu m, the micro-channel reaction technology is one of the important means for strengthening the chemical process, has the advantages of process strengthening and miniaturization, has the characteristics of excellent heat and mass transfer performance and safety, easy control and direct amplification of the process and the like, can remarkably improve the safety and the production efficiency of the process, and rapidly promotes the inventing process of laboratory results.
Currently, there are two types of membrane pore dispersion structures: one is a plane film hole, the other is a cylindrical film hole, which is used for gas-liquid mixing and reaction of solid particles of nano materials, a fluid (or gas) is divided into a plurality of micro jet flows through the plane film hole, and the micro jet flows are injected into a mixing chamber and mixed with another continuous flow, but the two structures have certain limitations:
1. the mixing chamber is longer, the sectional area of the chamber is the same from top to bottom, and the distribution number of the membrane holes is uniformly arranged; 2. when gas and liquid are mixed, under the standard condition, the volume of 1mol of gas is 22.4 liters, but the solution containing 1mol of reaction substances is only dozens of milliliters to hundreds of milliliters, and the volume ratio is very different, so that the material flushing phenomenon can occur if the pressure in the micro-channel is not controlled, and the gas with large quantity can blow away the liquid with small quantity and can not be mixed together at all; 3. the material coming out of the film hole can turn 90 degrees in the flowing direction of the mixing chamber, so that the material can not flow smoothly; 4. in the reaction of solid particle generation, the solid particles generated at the front section position flow forwards, because the channel structure is not changed, the solid particles are easy to adhere to the rear section position in the movement process to block the hole, and even can flow backwards into the hole to completely block the hole, so that the mixer cannot be continuously used for a long time, and therefore, the conical membrane hole micro-channel structure for improving gas-liquid mixing is provided to solve the problems.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a conical membrane pore micro-channel structure for improving gas-liquid mixing.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a toper membrane pore microchannel structure for improving gas-liquid mixture, is including awl membrane outside main part and awl membrane inside main part, the inside awl membrane inside main part that is provided with of awl membrane outside main part, awl membrane outside main part still includes first raw materials feedstock channel, mixing channel and discharging channel, first raw materials feedstock channel has been seted up between the inside left side of awl membrane outside main part and the awl membrane inside main part, and first raw materials feedstock channel right side is connected with mixing channel, and mixing channel sets up simultaneously between awl membrane outside main part and awl membrane inside main part right-hand member, the mixing channel right side is linked together with discharging channel, the inside second raw materials feedstock channel of having seted up of awl membrane inside main part, membrane dispersion hole has been seted up on awl membrane inside main part surface right side.
Preferably, the inner main body surface right side of the cone membrane is of a conical structure, the membrane dispersion holes are distributed on the inner main body surface right side of the cone membrane at equal intervals in a circumference mode, and the number of the membrane dispersion holes is gradually decreased from left to right.
The invention has the beneficial effects that:
1. according to the invention, the shape of the membrane hole is changed into a cone shape, the cross section area of the channel is continuously reduced due to the cone shape design, pressure can be naturally generated in the channel, the flowing form and the flowing speed of gas can be controlled, and the phenomenon of material flushing is avoided.
2. The invention utilizes the membrane dispersion holes to ensure that the flowing directions of the two raw materials are kept consistent, and because the flowing directions of the two fluids are forward, the bending phenomenon can not occur, and the smooth flowing can be ensured.
3. The area of the fluid advancing direction is smaller and smaller, the places where solid particles are attached are reduced, the speed of the fluid advancing direction is faster and faster, the solid particles are discharged, the number of holes in the fluid advancing direction is smaller and smaller, and the anti-channeling probability is reduced; the pressure in the advancing direction of the fluid is larger and larger, the thrust is larger, the shearing and pushing effects are generated on the fluid, and the adhesion of solid particles is reduced.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic front view of the present invention;
FIG. 3 is a right side view of the inner body of the awl film of the present invention;
FIG. 4 is an enlarged view of the structure at A in FIG. 2 according to the present invention;
FIG. 5 is a schematic view of a prior art midplane film hole;
FIG. 6 is a schematic view of a prior art hole with a cylindrical film.
In the figure: 1 outer main body of the conical membrane, 2 first raw material feeding channels, 3 mixing channels, 4 discharging channels, 5 inner main bodies of the conical membrane, 6 second raw material feeding channels and 7 membrane dispersion holes.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-6, a conical membrane pore micro-channel structure for improving gas-liquid mixing comprises a conical membrane outer side main body 1 and a conical membrane inner side main body 5, wherein the conical membrane outer side main body 1 is internally provided with the conical membrane inner side main body 5, the conical membrane outer side main body 1 further comprises a first raw material feeding channel 2, a mixing channel 3 and a discharging channel 4, the first raw material feeding channel 2 is arranged between the left side inside the conical membrane outer side main body 1 and the conical membrane inner side main body 5, the right side of the first raw material feeding channel 2 is connected with the mixing channel 3, the mixing channel 3 is arranged between the conical membrane outer side main body 1 and the right end of the conical membrane inner side main body 5, the right side of the mixing channel 3 is communicated with the discharging channel 4, the second raw material feeding channel 6 is arranged inside the conical membrane inner side main body 5, the right side of the surface of the conical membrane inner side main body 5 is provided, the membrane dispersing holes 7 are distributed on the right side of the surface of the main body 5 on the inner side of the cone membrane at equal intervals, the number of the membrane dispersing holes 7 is gradually reduced from left to right, the shape of the membrane holes is changed into a cone shape, the sectional area of a channel is continuously reduced due to the cone shape design, pressure can be naturally generated in the channel, the flowing form and the flowing speed of gas can be controlled, the material flushing phenomenon can be avoided, the flowing directions of two raw materials are kept consistent due to the membrane dispersing holes, the bending phenomenon can not occur due to the fact that the flowing directions of the two fluids are forward, the flowing smoothness can be guaranteed, the area of the advancing direction of the fluids is smaller, the number of the places where the solid particles are attached is reduced, the advancing direction of the fluids is faster and faster, the discharge of the solid particles is facilitated, the number of the; the pressure in the advancing direction of the fluid is larger and larger, the thrust is larger, the shearing and pushing effects are generated on the fluid, and the adhesion of solid particles is reduced.
In this embodiment, first, the first raw material feeding channel 2 is connected to the first raw material external channel, the second raw material feeding channel 6 is connected to the second raw material external channel, the discharging channel 4 is connected to the external collecting device, then the external channels of the two raw materials are connected to make the two raw materials enter the first raw material feeding channel 2 and the second raw material feeding channel 6 respectively, during the process that the two raw materials move rightwards, the second raw material enters the mixing channel 3 through the membrane dispersion holes 7 at a higher flow rate and in a more dispersed state, as the number of the membrane dispersion holes 7 in the advancing direction of the fluid is gradually reduced, the area of the advancing direction is gradually reduced, the places where the solid particles are attached are reduced, and the advancing direction speed of the fluid is gradually increased, which is beneficial to discharge of the solid particles, so that the reverse-channeling probability of the fluid is reduced, and the pressure in the advancing direction of the fluid is gradually increased, thrust also is big more, cuts and pushing action to the fluidic production, and it takes place to adhere to reduce solid particle, mixes the back with the first kind raw materials that flows into mixing channel 3 through first raw materials feedstock channel 2, enters into discharging channel 4 in, it can to flow into outside storage device through discharging channel 4 afterwards, just so accomplish this a tapered membrane hole microchannel structure's that is used for improving gas-liquid mixture use.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (2)
1. A conical membrane pore micro-channel structure for improving gas-liquid mixing comprises a conical membrane outer side main body (1) and a conical membrane inner side main body (5), and is characterized in that the conical membrane outer side main body (1) is internally provided with the conical membrane inner side main body (5), the conical membrane outer side main body (1) further comprises a first raw material feeding channel (2), a mixing channel (3) and a discharging channel (4), the first raw material feeding channel (2) is arranged between the left side of the inner part of the conical membrane outer side main body (1) and the conical membrane inner side main body (5), the right side of the first raw material feeding channel (2) is connected with the mixing channel (3), the mixing channel (3) is arranged between the conical membrane outer side main body (1) and the right end of the conical membrane inner side main body (5), the right side of the mixing channel (3) is communicated with the discharging channel (4), the second raw material feeding channel (6) is arranged inside the conical membrane inner side main body (5, and the right side of the surface of the conical film inner main body (5) is provided with film dispersion holes (7).
2. The micro-channel structure of tapered membrane pores for improving gas-liquid mixing of claim 1, wherein the right side of the surface of the inner main body (5) of the tapered membrane is in a conical structure, the membrane dispersion pores (7) are distributed on the right side of the surface of the inner main body (5) of the tapered membrane at equal intervals, and the number of the membrane dispersion pores (7) is gradually decreased from left to right.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910973148.6A CN110605077A (en) | 2019-10-14 | 2019-10-14 | A toper membrane hole microchannel structure for improving gas-liquid mixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910973148.6A CN110605077A (en) | 2019-10-14 | 2019-10-14 | A toper membrane hole microchannel structure for improving gas-liquid mixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110605077A true CN110605077A (en) | 2019-12-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910973148.6A Pending CN110605077A (en) | 2019-10-14 | 2019-10-14 | A toper membrane hole microchannel structure for improving gas-liquid mixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110605077A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111889030A (en) * | 2020-07-28 | 2020-11-06 | 从海彬 | Synthesizer of 4-chloroacetoacetic ester |
| CN114367332A (en) * | 2020-10-14 | 2022-04-19 | 通道福香米业有限公司 | Rice mill of quick unloading |
| CN114713164A (en) * | 2022-01-29 | 2022-07-08 | 清华大学 | Dibenzothiazole disulfide micro-reaction continuous synthesis system and synthesis method |
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| CN101433815A (en) * | 2007-11-14 | 2009-05-20 | 北京化工大学 | Membrane dispersion type micro-channel reactor |
| CN201250210Y (en) * | 2008-07-25 | 2009-06-03 | 中国石油化工集团公司 | Catalytic cracking feed nozzle |
| CN101721932A (en) * | 2009-12-14 | 2010-06-09 | 昆明理工大学 | Micro bubble generator and method for generating micro bubbles by using same |
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| CN114367332A (en) * | 2020-10-14 | 2022-04-19 | 通道福香米业有限公司 | Rice mill of quick unloading |
| CN114713164A (en) * | 2022-01-29 | 2022-07-08 | 清华大学 | Dibenzothiazole disulfide micro-reaction continuous synthesis system and synthesis method |
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