CN113663546A - Multistage static mixer and use method thereof - Google Patents
Multistage static mixer and use method thereof Download PDFInfo
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- CN113663546A CN113663546A CN202111075089.4A CN202111075089A CN113663546A CN 113663546 A CN113663546 A CN 113663546A CN 202111075089 A CN202111075089 A CN 202111075089A CN 113663546 A CN113663546 A CN 113663546A
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- 230000003068 static effect Effects 0.000 title claims abstract description 40
- 238000000034 method Methods 0.000 title claims abstract description 10
- 239000007788 liquid Substances 0.000 claims abstract description 30
- 238000007789 sealing Methods 0.000 claims description 8
- 238000003756 stirring Methods 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 238000005520 cutting process Methods 0.000 claims description 3
- 239000012530 fluid Substances 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 7
- 238000009827 uniform distribution Methods 0.000 abstract description 4
- 238000004134 energy conservation Methods 0.000 abstract description 3
- 230000009467 reduction Effects 0.000 abstract description 3
- 230000008569 process Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 239000000839 emulsion Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000013475 authorization Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000012452 mother liquor Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
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Abstract
The invention relates to a multistage static mixer and a using method thereof, wherein the multistage static mixer comprises 1 inlet unit, a plurality of mixing units and 1 outlet unit which are sequentially and hermetically connected; the inlet unit is provided with 1 main feeding pipe and a plurality of branch feeding pipes, the mixing unit is provided with a mixing cylinder, and a helical blade is arranged in the mixing cylinder; the outlet unit is provided with an atomizing nozzle; the main feeding pipe is communicated with the atomizing nozzle through the mixing barrel of each mixing unit, and the branch feeding pipes are respectively communicated with the main feeding pipe. The multistage static mixer disclosed by the invention adopts a split design, is simple in structure and strong in interchangeability, can increase and decrease the number of mixing units according to needs, realizes mixing of multiple fluid media, and has the advantages of good mixing effect, uniform distribution, energy conservation, emission reduction and the like, and sprayed mixed liquid drops are fine and dense.
Description
Technical Field
The invention relates to the technical field of fluid mixing, in particular to a multistage static mixer and a using method thereof.
Background
The static mixer is characterized in that no moving part is arranged in the pipeline, only a static element is arranged in the pipeline, and the basic working mechanism of the static mixer is that a mixing unit body fixed in the pipeline is utilized to change the flowing state of fluid in the pipeline, so that two or more streams are cut, rotated and stirred, and the aim of fully mixing different streams is fulfilled.
Since the 70's of the 20 th century, static mixers have begun to find application in the chemical industry, food industry, textile industry, etc., with good results. At present, the structure of the static mixer is various, but a non-detachable integral structure is generally adopted.
Chinese patent application publication No. CN103252181A discloses a "rotary low shear static mixer", which includes a tube shell, a main shaft, two shaft seats, a plurality of driving blades and a plurality of stirring units, wherein the main shaft is disposed in the tube shell, two shaft seats are respectively disposed in two end portions of the tube shell, two ends of the main shaft are respectively mounted on a corresponding shaft seat, the plurality of driving blades are equidistantly sleeved on the driving blade segments on the main shaft, and the plurality of stirring units are equidistantly sleeved on the stirring unit segments on the main shaft. The mixer is used for mixing and diluting polymer mother liquor and water, and mainly solves the problems of large viscosity loss and poor uniform mixing effect of the existing static mixer.
Chinese patent application publication No. CN102989338A discloses a "helical static mixer", which comprises a housing, mounting flanges, left-handed blades and right-handed blades, wherein the mounting flanges are respectively arranged at two ends of the housing, the left-handed blades and the right-handed blades are in a multi-helical-blade structure, the left-handed blades and the right-handed blades are sequentially and alternately arranged from an inlet to an outlet of the housing inside the housing, the adjacent left-handed blades and the adjacent right-handed blades are fixedly connected at circumferentially staggered angles, and one end of a blade group consisting of the left-handed blades and the right-handed blades is connected with a cleaning ring. The spiral static mixer is simple in structure, high in mixing efficiency, convenient to install, low in cost, convenient to clean, suitable for long-time work, and especially has wider application to mixing of high-viscosity materials in the chemical industry, and a mixing blade unit can be replaced.
Chinese patent application publication No. CN103611441A discloses a "twist-spanning static mixer", which includes twist blades fixed in a pipe for mixing, the twist blades have N number, the contour line of each twist blade includes an upper arc portion, a lower portion and line segment portions at both ends, the twist blades are connected together through the line segment portions below the twist blades, the upper arc portion includes 4 arc lines, the connection of two adjacent arc lines forms an arc slot, the arc line portion is wholly left-handed or right-handed along the inlet of the pipe, the projection angle of the arc line portion on a radial plane is 180 °/N, and N number of spiral flow channels uniformly distributed circumferentially are formed between the twist blades and the inner wall of the pipe. This static mixer has formed the arc wall because of twisting the blade in the junction of arc line, and this pressure loss that has not only reduced the blender, simultaneously, the fluid assembles, collides and is shunted again in arc wall department to make fluid misce bene, reach same mixed effect, required blender length is shorter.
The invention discloses a Chinese patent with an authorization publication number of CN104014263B, which discloses a static mixer and is designed for solving the problems of dead corners, inconvenient subsequent cleaning, large resistance, high energy consumption and the like in the mixing process of the conventional static mixer. Including the blender main part, the blender main part is the pipe, a plurality of blender units have set gradually on the feed liquor direction in the pipe, and every blender unit includes a infundibulate circulation passageway and a cellular circulation unit. Fluid enters the static mixer from an external pipeline, and the turbulence of liquid is increased through the mixing of the funnel-shaped circulation channel of the mixer unit and the dispersion of the honeycomb-shaped circulation units, so that various fluids are radially mixed.
The structure of above-mentioned static mixer is all comparatively complicated, and although some mixing vanes are removable, whole be fixed knot structure form, can't adjust as required.
Disclosure of Invention
The multistage static mixer adopts a split design, is simple in structure and strong in interchangeability, can increase and decrease the number of mixing units according to needs, realizes mixing of multiple fluid media, and has the advantages of fine and dense sprayed mixed liquid drops, good mixing effect, uniform distribution, energy conservation, emission reduction and the like.
In order to achieve the purpose, the invention adopts the following technical scheme:
a multistage static mixer comprises 1 inlet unit, a plurality of mixing units and 1 outlet unit which are sequentially and hermetically connected; the inlet unit is provided with 1 main feeding pipe and a plurality of branch feeding pipes for introducing various liquid media; the mixing unit is provided with a mixing cylinder, and a helical blade is arranged in the mixing cylinder; the outlet unit is provided with an atomizing nozzle; the main feeding pipe is communicated with the atomizing nozzle through the mixing barrels of the mixing units, and the branch feeding pipes are communicated with the main feeding pipe respectively.
The inlet unit and the adjacent mixing unit, the mixing units and the outlet unit and the adjacent mixing unit are respectively connected through flanges, and sealing gaskets are arranged at the flange joints and are locked and fixed through bolts.
The inlet unit consists of 1 main feeding pipe, a plurality of branch feeding pipes and a flange I; the main feeding pipe is coaxially arranged with the mixing cylinder and the atomizing nozzle; all the branch feeding pipes are uniformly arranged along the circumferential direction of the main feeding pipe; one end of the main feeding pipe, which is connected with the mixing unit, is provided with a first flange, and the diameter of an inner hole of the first flange is the same as the inner diameter of the main feeding pipe.
The branch feeding pipe is arranged along the radial direction of the main feeding pipe and can be plugged by a plug.
The mixing unit consists of a mixing cylinder, a helical blade and a flange II; two ends of the mixing cylinder are respectively provided with a second flange; the helical blade is formed by twisting a rectangular steel plate around the axis of the helical blade by 90 degrees; the inner diameter of the mixing drum is larger than that of the main feeding pipe.
After all the mixing units are connected into a whole, the initial angles of the helical blades in all the mixing cylinders along the circumferential direction are kept consistent.
And the second flange of the mixing unit is provided with 4 bolt holes for bolts to pass through, the bolt holes are arranged at intervals of 90 degrees along the second flange in the circumferential direction, and 2 bolt holes are arranged on the sideline extension line of the corresponding end helical blade.
The diameter of the inner hole of the second flange is the same as the inner diameter of the mixing cylinder.
The outlet unit consists of an atomizing nozzle, an air inlet pipe and a flange; the air inlet pipe is arranged at one side of the atomizing nozzle along the radial direction and is connected with a compressed air source through a compressed air pipeline; and a third flange is arranged at one end of the atomizing nozzle connected with the mixing unit.
A method of using a multistage static mixer, comprising the steps of: different liquid media respectively enter the inlet unit through the main feeding pipe and the branch feeding pipes, flow into the mixing unit by means of self pressure, and are subjected to multiple cutting and stirring through the helical blades in the mixing cylinders at all levels to be mixed; the mixed liquid flows into an atomizing nozzle of the outlet unit, the mixed liquid is crushed and stirred by introducing compressed air through the air inlet pipe, and the mixed liquid which is further uniformly mixed is sprayed out in a fine and dense liquid drop shape at a high speed.
Compared with the prior art, the invention has the beneficial effects that:
the multistage static mixer adopts a split design, has simple structure and strong interchangeability, can increase and decrease the number of mixing units according to the requirement, realizes the mixing of various fluid media, has fine and dense sprayed mixed liquid drops, and has the advantages of good mixing effect, uniform distribution, energy conservation, emission reduction and the like.
Drawings
FIG. 1 is a schematic diagram of a multistage static mixer according to the present invention.
Fig. 2 is a front view of the inlet unit according to the invention.
Fig. 3 is a side view of fig. 2.
Fig. 4 is a front view of the mixing unit of the present invention.
Fig. 5 is a side view of fig. 4.
Fig. 6 is a front view of the outlet unit of the present invention.
Fig. 7 is a side view of fig. 6.
FIG. 8 is a schematic view of the helical blades of the mixing unit of the present invention in the connected state.
In the figure: 1. inlet unit 11, flange one 12, main feeding pipe 13, branch feeding pipe 14, plug 2, mixing unit 21, flange two 22, mixing cylinder 23, helical blade 3, outlet unit 31, flange three 32, atomizing nozzle 33, inlet pipe 4, sealing gasket 5 and bolt
Detailed Description
The following further describes embodiments of the present invention with reference to the accompanying drawings:
as shown in fig. 1-7, the multistage static mixer of the present invention comprises 1 inlet unit 1, several mixing units 2, and 1 outlet unit 3, which are hermetically connected in sequence; the inlet unit 1 is provided with 1 main feeding pipe 12 and a plurality of branch feeding pipes 13 for introducing various liquid media; the mixing unit 2 is provided with a mixing cylinder 22, and a helical blade 23 is arranged in the mixing cylinder 22; the outlet unit 3 is provided with an atomizing nozzle 32; the main feeding pipe 12 is communicated with the atomizing nozzle 32 through the mixing cylinder 22 of each mixing unit 2, and the branch feeding pipes 13 are respectively communicated with the main feeding pipe 12.
The inlet unit 1 and the adjacent mixing units, the mixing units 2 and the outlet unit 3 are connected with the adjacent mixing units through flanges, and sealing gaskets 4 are arranged at the flange joints and are locked and fixed through bolts 5.
The inlet unit consists of 1 main feeding pipe 12, a plurality of branch feeding pipes 13 and a flange I11; the main feeding pipe 12 is coaxially arranged with the mixing cylinder 22 and the atomizing nozzle 32; the branch feeding pipes 13 are uniformly arranged along the circumferential direction of the main feeding pipe 12; the end of the main feeding pipe 12 connected with the mixing unit 2 is provided with a flange I11, and the diameter of an inner hole of the flange I11 is the same as the inner diameter of the main feeding pipe 12.
The branch feeder pipes 13 are arranged radially along the main feeder pipe 12 and can be plugged by means of plugs 14.
The mixing unit 2 consists of a mixing cylinder 22, a helical blade 23 and a second flange 21; two ends of the mixing cylinder 22 are respectively provided with a second flange 21; the helical blade 23 is formed by twisting a rectangular steel plate around the axis of the helical blade by 90 degrees; the mixing drum 22 has an inner diameter greater than the inner diameter of the main feed pipe 12.
After the mixing units 2 are connected into a whole, the starting angle of the helical blade 23 in the circumferential direction in each mixing cylinder 22 is kept uniform (as shown in fig. 8).
And 4 bolt holes for the bolts 5 to pass through are formed in the second flange 21 of the mixing unit 2, and are arranged at intervals of 90 degrees along the circumferential direction of the second flange 21, wherein 2 bolt holes are formed in the sideline extension line of the corresponding end helical blade 23.
The diameter of the inner hole of the second flange 21 is the same as the inner diameter of the mixing cylinder 22.
The outlet unit 3 consists of an atomizing nozzle 32, an air inlet pipe 33 and a flange III 31; the air inlet pipe 33 is arranged at one side of the atomizing nozzle 32 along the radial direction, and the air inlet pipe 33 is connected with a compressed air source through a compressed air pipeline; the end of the atomizing nozzle 32 connected to the mixing unit 2 is provided with a third flange 31.
A method of using a multistage static mixer, comprising the steps of: different liquid media respectively enter the inlet unit 1 through the main feeding pipe 12 and the branch feeding pipe 13, flow into the mixing unit 2 by means of the pressure of the liquid media, and are subjected to multiple cutting and stirring through the helical blades 23 in the mixing cylinders 22 at all levels to be mixed; the mixed liquid flows into the atomizing nozzle 32 of the outlet unit 3, and the mixed liquid is crushed and stirred by introducing compressed air through the air inlet pipe 33, and the mixed liquid which is further uniformly mixed is ejected in a fine and dense liquid droplet shape at a high speed.
The following examples are carried out on the premise of the technical scheme of the invention, and detailed embodiments and specific operation processes are given, but the scope of the invention is not limited to the following examples.
[ examples ] A method for producing a compound
In this embodiment, a multistage static mixer includes 1 inlet unit 1, 3 mixing units 2, 1 outlet unit 3, and a plurality of gaskets 4 and bolts 5. The number of mixing units 2 is determined according to the mixing effect to be achieved. The inlet unit 1, the mixing unit 2 and the outlet unit 3 are connected by flanges, the sealing gaskets 4 are sealed and fastened by bolts 5, and all welded junctions are required to be fully welded to prevent liquid leakage.
As shown in fig. 1, a first flange 11 of the inlet unit 1 is connected with a second flange 21 of the first mixing unit, and the first flange 11 and the second flange 21 are sealed by a sealing gasket 4 and fastened by bolts 5; the first mixing unit and the second mixing unit and the third mixing unit are connected through a second flange 21, and are sealed by a sealing gasket 4 and fastened by a bolt 5; and a third flange 31 of the outlet unit 3 is connected with a second flange 21 of the third mixing unit, and the third flange 31 and the second flange 21 are sealed by a sealing gasket 4 and fastened by bolts 5.
As shown in fig. 2 and 3, the inlet unit 1 comprises 1 main feeding pipe 12, 1 flange-11 and 4 branch feeding pipes 13 and a matching plug 14. The branch feeding pipes 13 are arranged around the main feeding pipe 12 at intervals of 90 degrees and are respectively communicated with the main feeding pipe 12, the branch feeding pipes 13 are provided with pipe plugs 14, and the branch feeding pipes 13 which do not feed can be closed by the pipe plugs 14; the main feeding pipe 12 and the flange I11 are correspondingly welded together, and the inner diameter of the main feeding pipe 12 is consistent with the inner hole size of the flange I11.
As shown in fig. 3, each mixing unit 2 is composed of 1 mixing cylinder 22, 1 helical blade 23 and 2 second flanges 21. Two ends of the mixing cylinder 22 are respectively welded with the second flange 21, and the inner diameter of the mixing cylinder 22 is consistent with the size of the inner hole of the second flange 21; the helical blade 23 is fixedly arranged in the mixing cylinder 22, and the helical blade 23 is formed by twisting a steel plate by 90 degrees; the bolt holes on the second flange 21 and the helical blades 23 have fixed relative positions (as shown in fig. 5). After the 3 mixing units 2 are assembled together, the 3 helical blades 23 are arranged in the same state (as shown in fig. 8), i.e. the borderlines of the liquid inlet end are all in the vertical state, and the borderlines of the liquid outlet end are all in the horizontal state.
As shown in fig. 4, the outlet unit 3 includes 1 atomizing nozzle 32, 1 air inlet pipe 33, and 1 flange three 31, the flange three 31 and the air inlet pipe 33 are respectively welded and fixed with the atomizing nozzle 32, and the air inlet pipe 33 is communicated with the internal passage of the atomizing nozzle 32.
In this embodiment, the working process of the multistage static mixer is as follows: the main feeding pipe 12 of the inlet unit 1 is communicated with water, 1 branch feeding pipe 13 is communicated with emulsion, and the other branch feeding pipes 13 are sealed by plugs; the water and the emulsion are stirred and mixed in the mixing unit 2 and then are sprayed through the atomizing nozzle 32 of the outlet unit 3.
In the mixing unit 2, after two liquid media flow in by self pressure, the two liquid media are cut and stirred for many times by the helical blades 23 in the mixing cylinders 22 at all levels; the mixed liquid flows into the atomizing nozzle 32 of the outlet unit 3, and is crushed, stirred and ejected at high speed by the compressed air introduced through the air inlet pipe 33, and the ejected mixed liquid drops are fine and dense, and have good mixing effect and uniform distribution.
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 (10)
1. A multistage static mixer is characterized by comprising 1 inlet unit, a plurality of mixing units and 1 outlet unit which are sequentially and hermetically connected; the inlet unit is provided with 1 main feeding pipe and a plurality of branch feeding pipes for introducing various liquid media; the mixing unit is provided with a mixing cylinder, and a helical blade is arranged in the mixing cylinder; the outlet unit is provided with an atomizing nozzle; the main feeding pipe is communicated with the atomizing nozzle through the mixing barrels of the mixing units, and the branch feeding pipes are communicated with the main feeding pipe respectively.
2. The multistage static mixer according to claim 1, wherein the inlet unit and the adjacent mixing unit, the mixing units and the outlet unit and the adjacent mixing unit are respectively connected by flanges, and the flange joints are provided with sealing gaskets and locked and fixed by bolts.
3. The multistage static mixer according to claim 1, wherein said inlet unit is composed of 1 main feed pipe, several branch feed pipes and one flange; the main feeding pipe is coaxially arranged with the mixing cylinder and the atomizing nozzle; all the branch feeding pipes are uniformly arranged along the circumferential direction of the main feeding pipe; one end of the main feeding pipe, which is connected with the mixing unit, is provided with a first flange, and the diameter of an inner hole of the first flange is the same as the inner diameter of the main feeding pipe.
4. A multistage static mixer according to claim 1 or 3, wherein the branch feed pipes are arranged radially along the main feed pipe and can be plugged by means of plugs.
5. The multistage static mixer according to claim 1, wherein the mixing unit is composed of a mixing cylinder, a helical blade and a flange II; two ends of the mixing cylinder are respectively provided with a second flange; the helical blade is formed by twisting a rectangular steel plate around the axis of the helical blade by 90 degrees; the inner diameter of the mixing drum is larger than that of the main feeding pipe.
6. The multistage static mixer of claim 5, wherein the helical blades of each mixing drum are uniformly angled in the circumferential direction after the mixing units are integrally connected.
7. The multistage static mixer according to claim 5, wherein the second flange of the mixing unit is provided with 4 bolt holes for bolts to pass through, the bolt holes are arranged along the second flange at intervals of 90 degrees, and 2 bolt holes are arranged on the sideline extension line of the corresponding end helical blade.
8. The multistage static mixer of claim 5, wherein the diameter of the inner bore of the second flange is the same as the inner diameter of the mixing barrel.
9. The multistage static mixer according to claim 1 or 2, wherein said outlet unit is composed of three of an atomizing nozzle, an inlet pipe and a flange; the air inlet pipe is arranged at one side of the atomizing nozzle along the radial direction and is connected with a compressed air source through a compressed air pipeline; and a third flange is arranged at one end of the atomizing nozzle connected with the mixing unit.
10. The method of using a multistage static mixer according to claim 1, comprising the steps of: different liquid media respectively enter the inlet unit through the main feeding pipe and the branch feeding pipes, flow into the mixing unit by means of self pressure, and are subjected to multiple cutting and stirring through the helical blades in the mixing cylinders at all levels to be mixed; the mixed liquid flows into an atomizing nozzle of the outlet unit, the mixed liquid is crushed and stirred by introducing compressed air through the air inlet pipe, and the mixed liquid which is further uniformly mixed is sprayed out in a fine and dense liquid drop shape at a high speed.
Priority Applications (1)
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CN202111075089.4A CN113663546A (en) | 2021-09-14 | 2021-09-14 | Multistage static mixer and use method thereof |
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CN202111075089.4A CN113663546A (en) | 2021-09-14 | 2021-09-14 | Multistage static mixer and use method thereof |
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CN202111075089.4A Withdrawn CN113663546A (en) | 2021-09-14 | 2021-09-14 | Multistage static mixer and use method thereof |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114534535A (en) * | 2022-01-26 | 2022-05-27 | 淮北矿业股份有限公司 | Device for quickly dissolving and turbulent flow of emulsified oil |
CN116651249A (en) * | 2022-12-16 | 2023-08-29 | 广州市脉田新材料科技有限公司 | Continuous silicone oil production line and production method |
-
2021
- 2021-09-14 CN CN202111075089.4A patent/CN113663546A/en not_active Withdrawn
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114534535A (en) * | 2022-01-26 | 2022-05-27 | 淮北矿业股份有限公司 | Device for quickly dissolving and turbulent flow of emulsified oil |
CN116651249A (en) * | 2022-12-16 | 2023-08-29 | 广州市脉田新材料科技有限公司 | Continuous silicone oil production line and production method |
CN116651249B (en) * | 2022-12-16 | 2024-02-20 | 广州市脉田新材料科技有限公司 | Continuous silicone oil production line and production method |
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