CN101288833B - Static mixer and its method - Google Patents
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- CN101288833B CN101288833B CN200710039510XA CN200710039510A CN101288833B CN 101288833 B CN101288833 B CN 101288833B CN 200710039510X A CN200710039510X A CN 200710039510XA CN 200710039510 A CN200710039510 A CN 200710039510A CN 101288833 B CN101288833 B CN 101288833B
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Abstract
The invention relates to a static mixing device, comprising a liquid pipe which is provided with a liquid inlet and a liquid outlet and is characterized in that the liquid comprises at least two branch pipes; each branch pipe comprises at least two pipe sections which are obliquely arranged. The invention also relates to a method for statically mixing the fluid, which comprises the steps as follows: a. shunting: the fluid of the liquid inlet flows into at least two branch pipes; b. staggering and thinning: the fluid flows through at least two pipe sections which are mutually and obliquely arranged in the branch pipes; as the shapes of the inlet and the outlet of the pipe sections are different, the shape of the passed fluid is changed, thus carrying out the staggering and thinning operation of the fluid; c. superposition and confluence: the fluid in all branch pipes is superposed and confluent; the steps can be repeated according to the requirement till that the fluid is uniformly mixed. The static mixing device can be suitable for the mixing of more than two fluids with extremely large flux difference, can carry out integral mixing of the fluid, ensures the mixing effect and can be applicable to the liquid pipes with larger diameters.
Description
Technical field
The present invention relates to the mixing of two or more fluids, particularly relate to a kind of static mixing device and method thereof that need not additionaling power.
Background technology
The mixing of carrying out two or more fluids is industrial common technical process.Often in mixed process adopt two kinds of mixed methods, first kind is dynamic mixing, as various mixers, plays the mixed-flow pump of immixture etc., the mixer principle be utilize motor impeller etc. in a mixing pit rotation to realize the mixing of fluid; Second kind is static mixing, and for example Chang Yong various forms of static mixers have just been finished immixture after two or more fluids to be mixed are flowed through this static mixer.
There is following shortcoming in first kind of dynamic mixer: it is big 1) to take up an area of volume; 2) incorporation time is long; 3) exist energy resource consumption; 4) need manual maintenance; 5) input cost is big, use cost is high; 6) a plurality of problems such as easy oil pollution, not environmental protection.
Static mixer is made up of the parts that do not need to do mechanical movement, so be called as static mixer.Begin to be applied in the fluid technology from the beginning of the seventies, cardinal principle is that some static hybrid elements are set in the pipe that fluid is flowed through, when two or more fluid passes through these elements, each hybrid element convection cell plays shunting, effect such as staggers, cuts, is out of shape, rotates, converges, thereby makes fluid reach predetermined mixed effect.The utilization of static mixer has very high economic benefit, can be widely used in various aspects such as mixing, emulsification, extraction, reinforcement mass transfer, augmentation of heat transfer, reinforcement reaction.Traditional static mixing exists some shortcomings, for example Chinese patent application number is 85106712 powder-granule static mixer, 02825571.2 static mixer, 02208018.X tubular static mixer, 87201156 hybrid element detachable static mixer, 03265542.8 rotary water current static mixer, these static mixers exist following problem: 1) only mix and carry out in the part, only to leading near position to mix in the pipeline mutually, can not carry out comprehensive, whole mixing to the liquid in the whole pipe, it is clear that mixability is smudgy.2) the single mixed effect is poor, just can reach certain mixed effect after need mixing many times.3) can only the fluid of tubule footpath low discharge be mixed, the general diameter of common static mixer runs into the occasion of caliber at big caliber such as 500mm, 900mm, big flow through regular meeting in our the on-the-spot practical application about 100mm.4) be difficult to guarantee big or small outstanding the mixing of bigger two-phase and above fluid that differ from of flow.Majority all is the low discharge fluid and the mixing of big flow fluid in the real world applications, such as the mixing that adds of medicament.
On Internet, static mixer has been carried out relevant search, find some producers that produce static mixer and products thereof, as Kenny's silk (kenics), Suhl scholar (sulzer), komax etc., be relatively typical case, the also bigger static mixer manufacturer of production scale simultaneously of at present relatively leading in the world, technology, with modified Ross static mixer is example, as shown in Figure 1, it can overcome above the 1st shortcoming, but still has next three shortcomings.Especially the Ross static mixer only is applicable to less caliber.If mix, if be divided into for 16 stacked adding, or under 4 layers of each situation, carry out four times and mix, or 16 layers are carried out mixed once at every turn at 1000mm left and right sides caliber.But 4 mixing will be strengthened its length greatly, and also can not reach far away and mix.If 16 layers each, its pipe diameter has just reached 4000mm, and sectional area increases to 16 times of original import caliber; 4 stacked its areas that add just increase for original 4 times, as Fig. 2; 8 stacked its areas that add just increase for original 8 times, as Fig. 3; 16 stacked its areas that add just increase for original 16 times, as Fig. 4; Stacked its area that adds of n is original n times with regard to increasing, and this obviously is that the fluid that can not be applicable to the common big caliber of big flow mixes.
Summary of the invention
The purpose of this invention is to provide a kind of can to two-phase or more the multithread body carry out globality and mix, be adapted to diameter bigger the static mixing device liquid pipe, that mix and method especially.
In order to achieve the above object, this static mixing device comprises the liquid pipe with inlet and liquid outlet, it is characterized in that, this liquid pipe comprises at least two arms, and each arm comprises at least two pipeline sections, and is angled between each pipeline section, is obliquely installed mutually.
In a preferred embodiment, described at least two arms are set up in parallel in the horizontal direction, narrow down on the vertical direction that broadens on the relative import horizontal direction of the outlet of described arm pipeline section.
In another preferred embodiment, described at least two arms are set up in parallel in vertical direction, broaden on the vertical direction that narrows down on the relative import horizontal direction of the outlet of described arm pipeline section.
Further, this static mixing device also comprises the ascending pipe that passes the liquid pipe, and this ascending pipe communicates with each arm, can be provided with deflector in the arm.
The present invention also provides a kind of method of static mixing fluid, it is characterized in that, this method may further comprise the steps:
A. shunting, the fluid of inlet flow in two arms at least;
B. stagger and thinning, through at least two pipeline sections that are obliquely installed mutually in the arm, because the shape of pipeline section import and outlet is different, thereby the shape through fluid is changed described fluid, convection cell staggers and thinning;
C. stack is confluxed, the stack of the fluid in all arms is confluxed,
As required, can repeat above-mentioned steps, mix until fluid.
In described step a, second phase fluid injects in each arm by ascending pipe, mixes with first phase fluid in the arm.The direction of described fluid shunting and the direction of confluxing are preferably perpendicular.
Beneficial effect of the present invention is:
1. mixing velocity is fast, and ordinary circumstance is mixed for three times just can be very even;
2. mix comprehensively, can be to the cross section of whole pipe liquid distribution on arbitrary fritter cross section;
3. can be applicable to various calibers, what be no matter isocon is counted N, its cumulative volume only increases 2 times for effective cross-section;
Description of drawings
Fig. 1 is the perspective view of existing ROSS static mixer;
Schematic diagram when Fig. 2 is provided with 4 arms for ROSS static mixer among Fig. 1, roundlet is represented effective liquid communication pipeline among the figure, great circle is represented whole mixed cell;
Schematic diagram when Fig. 3 is provided with 8 arms for ROSS static mixer among Fig. 1;
Schematic diagram when Fig. 4 is provided with 16 arms for ROSS static mixer among Fig. 1;
Fig. 5 is the front view of the preferred static mixing device of the present invention;
Fig. 6 is the vertical view of static mixing device among Fig. 5;
Fig. 7 be among Fig. 5 static mixing device along the cutaway view of J-J;
Fig. 8 be among Fig. 5 static mixing device along the cutaway view of K-K;
Fig. 9 be among Fig. 5 static mixing device along the cutaway view of L-L;
Figure 10 be among Fig. 5 static mixing device along the cutaway view of M-M;
Figure 11 be among Fig. 5 static mixing device along the cutaway view of N-N;
Figure 12 to Figure 16 is the variation schematic diagram of arm 11 in the fluid mixing process;
Figure 17 is the final position schematic diagram of arm 11;
Figure 18 is the final position schematic diagram of arm 12;
Figure 19 is the final position schematic diagram of arm 13;
Figure 20 is the final position schematic diagram of arm 14;
Figure 21-a and Figure 21-b are that fluid mixes forward and backward view for the first time;
Figure 21-c to Figure 21-d is that fluid mixes forward and backward view for the second time;
Figure 21-e to Figure 21-f is that fluid mixes forward and backward view for the third time;
Figure 22 is the schematic diagram of another preferred static mixing device of the present invention;
Figure 23 is the schematic diagram of the 3rd preferred static mixing device according to the present invention;
Figure 24 is the vertical view of static mixing device among Figure 23;
Figure 25 be among Figure 23 static mixing device along the cutaway view of P-P;
Figure 26 be among Figure 23 static mixing device along the cutaway view of Q-Q;
Figure 27 be among Figure 23 static mixing device along the cutaway view of R-R;
Figure 28 be among Figure 23 static mixing device along the cutaway view of S-S;
Figure 29 be among Figure 23 static mixing device along the cutaway view of T-T;
Figure 30 be among Figure 23 static mixing device along the cutaway view of U-U;
Figure 31 be among Figure 23 static mixing device along the cutaway view of V-V;
Figure 32 is the schematic diagram that static mixing device adopts the streamlined design among Figure 23;
Figure 33 is the assembling schematic diagram of static mixing device among Figure 23, and whole mode of splicing was installed after this device adopted segmental machining;
Figure 34 is the structural representation of liquid injection pipe;
Figure 35 is the structural representation that the static mixing device of flow distribution plate is installed;
Figure 36 mixes preceding partial schematic diagram for fluid uses the Ross static mixer, there is shown an arm;
Static mixing device mixes preceding partial schematic diagram to Figure 37 among Fig. 5 for fluid uses, and there is shown an arm;
Figure 38 uses the mixed partial schematic diagram of Ross static mixer for fluid;
Figure 39 uses the mixed partial schematic diagram of static mixing device among Fig. 5 for fluid.
The specific embodiment
The present invention can be described further by following embodiment:
As shown in Figure 5, be the structural representation of the preferred static mixing device according to the present invention, this device comprises inlet 1 and liquid outlet 2.This device is mounted in one section special pipeline or the liquid pipe in the middle of the pipeline, can be by flange, screw thread, welding, modes such as folder are fixed in the pipeline of needs.Owing to be connected in the pipeline,, the pipe that installs two ends be designed to square tube for the ease of shunting.
Fig. 6 is the vertical view of Fig. 5, and Fig. 7,8,9,10,11 is respectively among Fig. 5 static mixing device along the cutaway view of J-J, K-K, L-L, M-M, N-N.Pipe fluid from which end of this blender does not flow into, and this device can both play immixture.In the following description, suppose that two-phase fluid to be mixed flows to from right-hand member, flows out from left end.
As shown in Figure 7, have a plurality of arms in the pipeline, or pipeline is divided into multilayer in the horizontal direction, form a plurality of flat-shaped arms, also can select to be divided in vertical direction multilayer, be divided into multilayer on can certainly be in any direction, arm can be square, circular, polygon or other shape.The number of arm can be decided as required, is at least 2, and preferred 2,4,8,16,32.If caliber is smaller, chooses the branch fluxion and can be convenient to processing less; If caliber is bigger, choose branch fluxion multipotency and be convenient to guarantee mixed effect, be divided into 8 layers in the present embodiment.This is equivalent to a pipeline is divided into 8 arms 11,12,13,14,15,16,17,18, but its sectional area and negotiability are constant substantially, 8 arms all are horizontal narrow perpendicular wide elongated shape flat pipes in the present embodiment, each arm comprises at least two pipeline sections 4, angledly between each pipeline section 4 be obliquely installed mutually, realize arm staggering spatially.The shape of the export and import of pipeline section 4 is different, narrows down on the vertical direction that broadens on the relative import horizontal direction of the outlet of pipeline section 4 in the present embodiment, thus the thinning of realization arm.
As shown in Figure 8,8 arms are staggered, make arm 11,12,13,14 be in different upright positions with arm 15,16,17,18, in the present embodiment, arm 11,12,13,14 and arm 15,16,17,18 are divided into two groups and stagger, and make these two groups to be in two upright positions, and they can certainly be divided into 3 groups and also stagger respectively, make them be in three or more different upright positions.
As shown in Figure 9, each arm is further staggered, and carry out thinning in this course.The process of thinning is equivalent to a pipeline or object is extruded more and more flatly.
In Fig. 8, be in same position on arm 11,12,13,14 horizontal directions, but in Fig. 9, again they staggered, make them be in different positions in the horizontal direction respectively, this is to be overlapping the preparing on the vertical direction.In the process from Fig. 8 to Fig. 9, can be clear that every arm all becomes by very long horizontal direction on the vertical direction is very narrow that the attenuation horizontal direction broadens on the vertical direction.
As shown in figure 10,8 arms are further staggered and thinning, 8 arms are staggered in vertical direction, prepare for overlapping.Simultaneously 8 arms become wideer on the thinner horizontal direction on the vertical direction.
As shown in figure 11,, they are formed a line in vertical direction with 8 further thinnings of arm, ready for superposeing.
Superpose at last, 8 arms are superposeed in vertical direction, fluid is confluxed, thereby finish whole mixed process.The objective of the invention is to realize the distortion of pipeline, thereby make that fluid is shunted, staggered, thinning and stack, as required, can repeat above-mentioned steps, mix until fluid by the inclination mode that arm and pipeline section are set in the pipeline.Become 11 among Figure 11,13,14,12,16,18,17,15 order in the order 11,15,12,16,13,17,14,18 of Fig. 7 tube side-by-side in Figure 11.The variation of this order can be carried out as required, the direction difference that just staggers, but deformation principle still is the same.As in the present embodiment, from Fig. 9 to Figure 10, above being put into after arm 14 distortion, below being put into after arm 12 distortion, below being put into after also can being out of shape arm 14 in fact, above being put into after arm 12 distortion.
The shape of arm 11 inner fluids when initial shunting is partly represented in the blacking among Figure 12.Figure 13 has partly represented the variation of arm 11 in the process of also thinning that staggers to the blacking among Figure 16, the form that flows into the fluid in the arm 11 can change according to the variation of arm 11, so this device can all be distributed to the fluid on the fritter lateral cross section area that is in any shunt pipe on the whole pipe cross section uniformly, thereby can guarantee to mix.
Figure 17 to Figure 20 represented that four arms 11,12,13,14 are staggered respectively and thinning after locate different positions, but be mutually alignment in vertical direction.Figure 21-a to Figure 21-f represents that respectively fluid mixes the effect that is reached after 1 to 3 time, and wherein, what Figure 21-a, Figure 21-b represented is that fluid mixes the effect that the back is reached through mixed once device shown in Fig. 5; What Figure 21-c, Figure 21-d represented is that fluid mixes the effect that the back is reached through secondary mixing arrangement shown in Figure 22; What Figure 21-e, Figure 21-f represented is that fluid mixes the effect that the back is reached through three times.Wherein, the sub-fraction fluid 7 in the arm partly represented in black matrix, shown in Figure 21-a to Figure 21-f, can clearly understand mixed effect of the present invention, no matter how many ratios of first phase fluid and second phase fluid is in the fluid-mixing, and the effect of their layerings is the same, that is to say the mixed effect that can reach same, and in mixed process, can realize comprehensive mixing of liquid in the whole pipe, can guarantee to mix.In pipeline, one or more static mixing devices of the present invention can be set, as preferred secondary mixing arrangement among Figure 22, be equivalent to the series connection of the mixed once device among two Fig. 5 is provided with, this static mixing device of fluid process capable of circulation in the also loop that pipeline can be arranged to circulate, liquid pipe mixes until fluid, reach desirable effect, just flow out from liquid outlet 2.
This device is peculiar to be staggered and thinning has very significantly effect, as follows:
1) stagger and the thinning process makes the volume of apparatus of the present invention can't increase a lot, no matter need to carry out the stack of how many layers, its total sectional area only increases to about original 2 times.Can be applied to the occasion of the big flow of big caliber like this.This point has realistic meaning very much, all is more than the 500mm because much need the caliber of fluid-mixing in industrial production, especially in the process of system water and sewage disposal.
2) another benefit of thinning be exactly in the horizontal direction with vertical direction on can be divided into more multi-layered, so just strengthened mixed effect greatly, be mixed into example to be divided into 8 layers in the present embodiment, carry out twice mixing and just can realize for 64 stacked adding, can imagine that this is very uniform for mixing, does not reach such effect even dynamically mix yet in the short time.
3) thinning can make and be in the wire that a certain fritter fluid becomes on the cross section on the cross section be in the pipeline after mixed once, can be shunted by every isocon when mixing next time, will become several cross sections wire after secondary mixes and be in pipeline.
Above embodiment once just is divided into several arms and staggers, thinning, superposes, confluxes in shunting, can certainly with shunt, stagger, thinning, stack carry out repeatedly, as another preferred embodiment of introducing below, shown in Figure 23-31, the figure section line is represented the free air space in the tube section, and its process is such:
1. earlier fluid is shunted, fluid is diverted in two arms;
2. the arm in the step 1 is staggered, as the process of Figure 25 to Figure 26.
3. with the arm thinning in the step 2, and overlapping in the vertical, as the process of Figure 26 to Figure 27;
4. the arm of front is shunted once more and staggered, promptly every arm is divided into 2 arms more at least, is divided into 2 in this embodiment, and promptly every arm is divided into into 4 arms, as Figure 27 to shown in Figure 28;
5. with 4 arm thinnings in the step 4, and overlapping in the vertical; As required, can with stagger, thinning, overlapping this process repeat repeatedly, up to forming shape shown in Figure 31;
6. last stack is converged, and finishes single and mixes.This mixed process can repeat repeatedly in a static mixer, and number of repetition is decided as required, and ordinary circumstance is mixed for three times just can be very even.
For better, fluid-mixing faster, can shunt first phase fluid earlier, be diverted at least two arms, by one or several liquid injection pipes 5 that have the slit the second phase liquid is injected into respectively in each arm then, to realize the first stratification second phase liquid, as shown in figure 34, can save the process of mixed once shunting thinning stratification like this.More preferably, can in arm, add deflector 6, be equivalent to an arm is divided into a plurality of arms again, can reach the better mixing effect, as shown in figure 35.The processing of this device is slightly difficult, can process arm respectively and carry out the two ends welding then, also can make the mode of the overall assembly unit of segmental machining, as shown in figure 33.
Shown in Figure 36,37, on the arm of the arm of Ross blender and apparatus of the present invention, respectively choose a facet, be respectively 1/8th of whole pipe section.Figure 38,39 is respectively mixed design sketch, as can be seen from the figure, and the mixed effect of the segment fluid flow 9 that the mixed effect of the segment fluid flow 8 in the arm of Ross blender is obviously interior not as the arm of apparatus of the present invention.Static mixing device of the present invention is fluid-mixing comprehensively, can be after for example mixing for three times just arbitrary fritter cross section on liquid distribution to the cross section of whole pipe, this be the ROSS static mixer inaccessible.
Need to prove that in order to draw conveniently, all adopted the straight flange straight tube in the above-described embodiments, the process of distortion also is like this, its profile also can adopt streamlined in shape, to strengthen negotiability and to reduce flow resistance, shown in figure 32.
In another preferred embodiment, the method for the preferred static mixing fluid of the present invention may further comprise the steps:
A. shunting, the fluid of inlet flow in two arms at least;
B. stagger and thinning, through at least two pipeline sections that are obliquely installed mutually in the arm, because the shape of pipeline section import and outlet is different, thereby the shape through fluid is changed described fluid, convection cell staggers and thinning;
C. stack is confluxed, and the stack of the fluid in all arms is confluxed, and as required, can repeat above-mentioned steps, mixes until fluid.
Wherein, in step a, second phase fluid injects in each arm by ascending pipe, mixes with first phase fluid in the arm.Preferably, the direction of fluid shunting is perpendicular with the direction of confluxing.
Should be appreciated that the present invention can other form realize under the situation that does not depart from its spirit and central feature.Therefore embodiment and concrete embodiment here is schematically not to be restricted, and the present invention is not limited in the detailed description given here.
Claims (9)
1. static mixing device, this device comprises the liquid pipe with inlet and liquid outlet, it is characterized in that, this liquid pipe comprises at least two arms, each arm comprises at least two pipeline sections, be obliquely installed between each pipeline section, described at least two arms are set up in parallel in the horizontal direction, narrow down on the vertical direction that broadens on the relative import horizontal direction of the outlet of described arm pipeline section.
2. static mixing device as claimed in claim 1 is characterized in that, is provided with deflector in the described arm.
3. static mixing device as claimed in claim 2 is characterized in that this static mixing device also comprises the ascending pipe that passes the liquid pipe, and this ascending pipe communicates with each arm.
4. static mixing device, this device comprises the liquid pipe with inlet and liquid outlet, it is characterized in that, this liquid pipe comprises at least two arms, each arm comprises at least two pipeline sections, be obliquely installed between each pipeline section, described at least two arms are set up in parallel in vertical direction, broaden on the vertical direction that narrows down on the relative import horizontal direction of the outlet of described arm pipeline section.
5. static mixing device as claimed in claim 4 is characterized in that, is provided with deflector in the described arm.
6. static mixing device as claimed in claim 5 is characterized in that this static mixing device also comprises the ascending pipe that passes the liquid pipe, and this ascending pipe communicates with each arm.
7. the method for a static mixing fluid is characterized in that, this method may further comprise the steps:
A. shunting, the fluid of inlet flow in two arms at least;
B. stagger and thinning, through at least two pipeline sections that are obliquely installed mutually in the arm, because the shape of pipeline section import and outlet is different, thereby the shape through fluid is changed described fluid, convection cell staggers and thinning;
C. stack is confluxed, the stack of the fluid in all arms is confluxed,
As required, repeat above-mentioned steps, mix until fluid.
8. the method for fluid-mixing as claimed in claim 7 is characterized in that, in described step a, second phase fluid injects in each arm by ascending pipe, mixes with first phase fluid in the arm.
9. the method for fluid-mixing as claimed in claim 7 is characterized in that, the direction of described fluid shunting and the direction of confluxing are perpendicular.
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| CN101288833B true CN101288833B (en) | 2011-05-11 |
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| CN102172485B (en) * | 2011-03-25 | 2013-06-12 | 天津华迈环保设备有限公司 | Spraying-type fluid mixing device |
| CN107261879A (en) * | 2017-07-28 | 2017-10-20 | 朱明� | A kind of pre-mixing apparatus for OIL IN LUBRICATING OIL PRODUCTION |
| CN107233844A (en) * | 2017-07-28 | 2017-10-10 | 朱明� | A kind of Lubricating oil mixing device |
| CN107233843A (en) * | 2017-07-28 | 2017-10-10 | 朱明� | A kind of lubricating oil high-efficiency stirring bucket |
| CN107252649A (en) * | 2017-07-28 | 2017-10-17 | 朱明� | A kind of efficient lubricant oil mixing stirring device |
| CN107855011B (en) * | 2017-11-28 | 2023-08-08 | 佛山科学技术学院 | Internal mixed structure of liquid chemical raw material pipe |
| CN108815900A (en) * | 2018-07-04 | 2018-11-16 | 西南石油大学 | A kind of viscous crude Liquid jacket transportation generator |
| CN110694440A (en) * | 2019-11-04 | 2020-01-17 | 杜梦凡 | Double-drive calcium-based wet desulphurization deep emission reduction device and method |
| CN113831890A (en) * | 2021-09-25 | 2021-12-24 | 杭州之江新材料有限公司 | Silicone sealant and preparation method and production line thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2201174Y (en) * | 1994-07-14 | 1995-06-21 | 姜卫东 | Hydraulic pulverizing emulsifying apparatus |
| CN2598630Y (en) * | 2003-02-21 | 2004-01-14 | 徐根宝 | Microporous homogeneous pipe |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2201174Y (en) * | 1994-07-14 | 1995-06-21 | 姜卫东 | Hydraulic pulverizing emulsifying apparatus |
| CN2598630Y (en) * | 2003-02-21 | 2004-01-14 | 徐根宝 | Microporous homogeneous pipe |
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