CN208893672U - A kind of rotating disc packed composite tower and mass transfer apparatus - Google Patents
A kind of rotating disc packed composite tower and mass transfer apparatus Download PDFInfo
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- CN208893672U CN208893672U CN201821387518.5U CN201821387518U CN208893672U CN 208893672 U CN208893672 U CN 208893672U CN 201821387518 U CN201821387518 U CN 201821387518U CN 208893672 U CN208893672 U CN 208893672U
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- rotating disc
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Abstract
The utility model relates to field of chemical equipment, in particular to a kind of rotating disc packed composite tower and mass transfer apparatus.The rotating disc packed composite tower includes tower body, is arranged at intervals with multiple fixed rings in tower body from top to bottom, and each fixed ring is connect with tower body；Fixed ring includes packing area and sieve area, and it is sieve area close to one end of tower body inner wall, packing area is installed with filler that fixed ring, which is packing area close to the one end in tower body axle center,.Its axial backmixing that can be effectively reduced dispersed phase, avoid due to dispersed phase flow velocity it is larger caused by surrounding continuous phase back-mixing, strengthen grade between mass transfer.The mass transfer apparatus includes any one of the above rotating disc packed composite tower, can reduce back-mixing by using the mass transfer apparatus, improve mass-transfer efficiency.
Description
Technical field
The utility model relates to field of chemical equipment, set in particular to a kind of rotating disc packed composite tower and mass transfer
It is standby.
Background technique
Extraction tower is a kind of important chemical industry mass transfer apparatus, is suffered from extensively in fields such as chemical industry, petroleum and environmental protections
Application.Turntable extracting tower has structure simple, and treating capacity is big, invests the advantages that small.Therefore, since its appearance, medicine,
Finely, it is widely used in petro chemical industry.Two phase countercurrent flow flows in extraction tower, and the stirring action of turntable makes drop
It is crushed and generates turbulence and strengthen mass transfer, but also aggravate back-mixing simultaneously.Back-mixing again reduces the axial concentration gradient in tower, from
And the mass transfer force in tower is greatly reduced, decline extraction efficiency, this effect is more significant in industrial equipment.
Utility model content
The purpose of this utility model is to provide a kind of rotating disc packed composite towers, can be effectively reduced the axial direction of dispersed phase
Back-mixing, avoid due to dispersed phase flow velocity it is larger caused by surrounding continuous phase back-mixing, strengthen grade between mass transfer.
The another object of the utility model is to provide a kind of mass transfer apparatus, can be reduced and be returned by using the mass transfer apparatus
It is mixed, improve mass-transfer efficiency.
The embodiments of the present invention are achieved in that
A kind of rotating disc packed composite tower comprising tower body is arranged at intervals with multiple fixed rings in tower body, each from top to bottom
Fixed ring is connect with tower body；Fixed ring includes packing area and sieve area, and fixed ring is packing area close to the one end in tower body axle center,
It is sieve area close to one end of tower body inner wall, packing area is installed with filler.
In the utility model preferred embodiment, the ratio between the distance between two neighboring fixed ring and the thickness of fixed ring
For 1:0.8-1.2.
In the utility model preferred embodiment, the ratio between the radial dimension in packing area and sieve area is 0.4-1.2:1.
In the utility model preferred embodiment, the circular hole that multiple apertures are 6-30 millimeters is offered in sieve area, is opened
Porosity is 30%-60%.
In the utility model preferred embodiment, filler is wire packing or structured packing, and voidage is 75% or more.
In the utility model preferred embodiment, tower body further includes rotating mechanism, and rotating mechanism includes shaft and multiple
Turntable, shaft are vertically arranged in the middle part of tower body, and each equal spacer sleeve of turntable is set in shaft.
In the utility model preferred embodiment, the quantity of turntable and the quantity of fixed ring are equal, each turntable with
One fixed ring is corresponding.
In the utility model preferred embodiment, turntable vertical direction mounting height in corresponding fixed ring
Portion is identical in the mounting height of vertical direction.
In the utility model preferred embodiment, rotating mechanism further includes motor and gearbox, and motor and gearbox are equal
It is connect with shaft.
A kind of mass transfer apparatus comprising above-mentioned any one rotating disc packed composite tower.
The beneficial effect of the utility model embodiment is: the utility model provides a kind of rotating disc packed composite tower, leads to
Packing area included by setting fixed ring and fixed ring and sieve area are crossed, the axial direction that dispersed phase can be effectively reduced is returned
It is mixed, avoid due to dispersed phase flow velocity it is larger caused by surrounding continuous phase back-mixing, mass transfer between reinforcing grade.Another object is to provide
A kind of mass transfer apparatus can reduce back-mixing by using the mass transfer apparatus, improve mass-transfer efficiency.
Detailed description of the invention
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is the tower body external structure schematic diagram of rotating disc packed composite tower provided by the embodiment of the utility model；
Fig. 2 is the tower body schematic diagram of internal structure of rotating disc packed composite tower provided by the embodiment of the utility model；
Fig. 3 is the fixed ring of rotating disc packed composite tower provided by the embodiment of the utility model and the part of turntable relative position
Schematic diagram；
Fig. 4 is the structural representation top view of the fixed ring of rotating disc packed composite tower provided by the embodiment of the utility model.
Icon: 1- rotating disc packed composite tower；10- tower body；20- rotating mechanism；The upper settling section of 101-；102- refining stage；
Settling section under 103-；201- motor；202- gearbox；203- shaft；1012- light phase export；The upper ballast layer of 1013-；1011- weight
Phase entrance；1031- light phase inlet；Ballast layer under 1033-；1032- heavy out；204- turntable；1021- fixed ring；1022- sieve
Barrier；The packing area 1023-；10231- filler.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here in attached drawing description and
The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.
Therefore, requirement is not intended to limit to the detailed description of the embodiments of the present invention provided in the accompanying drawings below
The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the range of the utility model protection.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, or
The utility model product using when the orientation or positional relationship usually put, be merely for convenience of description the utility model and letter
Change description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific orientation construct and
Operation, therefore should not be understood as limiting the present invention.In addition, term " first ", " second ", " third " etc. are only used for area
Divide description, is not understood to indicate or imply relative importance.
In addition, the terms such as term "horizontal", "vertical", " pendency " are not offered as requiring component abswolute level or pendency, and
It is that can be slightly tilted.It is not to indicate the structure if "horizontal" only refers to that its direction is more horizontal with respect to for "vertical"
It has to fully horizontally, but can be slightly tilted.
In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is set
Set ", " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection,
Or it is integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, intermediary can also be passed through
It is indirectly connected, can be the connection inside two elements.For the ordinary skill in the art, it can be managed with concrete condition
Solve the concrete meaning of above-mentioned term in the present invention.
Below by specific embodiment and in conjunction with attached drawing, the utility model is further described in detail.Do not conflicting
In the case where, the feature in following embodiment and embodiment can be combined with each other.
Fig. 1 is please referred to, the utility model embodiment provides a kind of rotating disc packed composite tower 1, including tower body 10, tower body 10
Including the upper settling section 101, refining stage 102 and lower settling section 103 being arranged from top to bottom, refining stage 102 it is opposite up and down two
End is connect with upper settling section 101, lower settling section 103 respectively.
Further, one end that upper settling section 101 is connect with refining stage 102 is provided with heavy liquid inlet 1011, heavy liquid inlet
1011 are less than the width of one end far from refining stage 102 close to the width of one end of refining stage 102, so that formed therein that one supplies
The infundibulate slope that heavy phase fluid glides, makes heavy phase fluid can smoothly enter into refining stage 102.
Further, upper settling section 101 is additionally provided with ballast layer 1013, and upper ballast layer 1013 is set to heavy liquid inlet
1011 one end far from refining stage 102 make the stream that heavy phase fluid is stable for stablizing the heavy phase fluid for flowing into upper settling section 101
Enter in heavy liquid inlet 1011.
Further, upper settling section 101 is additionally provided with light phase export 1012 far from one end of refining stage 102, for making certainly
The light phase fluid that the lower end of tower body 10 flows into finally is smoothly flowed out from tower body 10 after the mass transfer in refining stage 102.
Symmetrically, one end that lower settling section 103 is connect with refining stage 102 is provided with light phase inlet 1031, light phase inlet
1031 are less than the width of one end far from refining stage 102 close to the width of one end of refining stage 102, so that formed therein that one supplies
The infundibulate slope that light phase fluid flows into, gathers light phase fluid, light phase fluid is made to can smoothly enter into refining stage 102.
Further, lower settling section 103 is additionally provided with lower ballast layer 1033, and lower ballast layer 1033 is set to light phase inlet
1031 one end far from refining stage 102 sink to dropping the light phase fluid of section 103, make the stream that light phase fluid is stable for stablizing to flow into
Enter in light phase inlet 1031.
Further, lower settling section 103 is additionally provided with heavy out 1032 far from one end of refining stage 102, for making certainly
The heavy phase fluid that the upper end of tower body 10 flows into finally is smoothly flowed out from tower body 10 after the mass transfer in refining stage 102.
With further reference to Fig. 1, tower body 10 further includes rotating mechanism 20, and rotating mechanism 20 includes motor 201, gearbox
202 and shaft 203, shaft 203 is vertically arranged at 10 middle part of tower body, and motor 201 and gearbox 202 connect with shaft 203 respectively
It connects.Power is provided by motor 201, drives shaft 203 to rotate via gearbox 202, to stir the light phase stream in tower body 10
Body and heavy phase fluid increase the mass-transfer efficiency between light phase fluid and heavy phase fluid.
Referring to figure 2., vertical direction is arranged at intervals with multiple fixed rings 1021, Mei Gegu in the refining stage 102 of tower body 10
Determine the one end of ring 1021 far from shaft 203 to connect with tower body 10, is provided with a spacing between two adjacent fixed rings 1021
From.
Further, the part that shaft 203 is located in refining stage 102 is also arranged with multiple turntables 204, the number of turntable 204
It measures identical as the quantity of fixed ring 1021.Each turntable 204 is corresponding with a fixed ring 1021.Turntable 204 with shaft 203 together
Rotation, generates higher velocity gradient and shear stress in the fluid in refining stage 102；Flow into the heavy phase in refining stage 102
Fluid and light phase fluid generate continuous phase and dispersed phase respectively in flow process, and the shear stress that turntable 204 provides is on the one hand
Continuous phase can be made to generate strong whirlpool, dispersed phase on the other hand can also be made to be broken into droplet cluster, dispersion is suspended in continuous phase,
To increase the contact area between two-phase, strengthen two-phase mass transfer.
Further, each fixed ring 1021 includes packing area 1023 and sieve area 1022, and each fixed ring 1021 is leaned on
One end of nearly shaft 203 is packing area 1023, is sieve area 1022, packing area 1023 and sieve close to one end of 10 inner wall of tower body
Area 1022 is set as concentric circles.Packing area can be passed through to the liquid that tower wall direction is flowed under from the effect of the centrifugal force of turntable 204
1023 reach tower wall, to ensure that the transmitting of liquid radial momentum in tower body 10.
Specifically, the ratio between the radial dimension in packing area 1023 and sieve area 1022 is 0.4-1.2:1.The setting of the ratio is simultaneous
Packing area 1023 and 1022 pairs of the sieve area action space for flowing into the fluid in it and action time are cared for.
Preferably, in the present embodiment, the ratio between the radial dimension in packing area 1023 and sieve area 1022 is 1:1.
Referring to figure 4., it is installed with filler 10231 in packing area 1023, by what is be crashed to pieces under the shearing force of turntable 204
Dispersed phase droplet flows under being acted on from the centrifugal force of turntable 204 to tower wall direction, with the filler 10231 in packing area 1023
Contact forms biggish drop, to reduce the back-mixing of dispersed phase droplet to occur to gather simultaneously.Meanwhile it being rotated by turntable 204
Caused by continuous phase whirlpool flow velocity and liquid radial momentum die-off after the filler 10231 in packing area 1023, it is rapid
Local velocity crosses the phenomenon that general goal carries dispersed phase drop back-mixing secretly and is effectively inhibited in stream whirlpool, reduces radial back-mixing, from
And improve the mass-transfer efficiency of integral device.
Specifically, filler 10231 is wire packing or structured packing, it is filled with the packing area 1023 of the filler 10231
Voidage is 75% or more, and biggish voidage can provide more hole, to provide better absorption property, make to enter
Droplet in packing area 1023 quickly, adequately gathers on filler 10231 and at big drop, to reduce dispersed phase droplet
Back-mixing.
With further reference to Fig. 3, liquid is continuing to move to tower wall direction behind packing area 1023, into sieve area
After 1022, the flow velocity of dispersed phase drop is die-offed, and is avoided and is caused surrounding continuous since the flow velocity of dispersed phase drop is excessive
The rough sledding of phase back-mixing.Simultaneously as the flow resistance of all directions is smaller in sieve area 1022, weight two-phase fluid exists
Two-phase laminated flow occurs for the effect of 1022 internal cause density contrast of sieve area, and heavy phase fluid flows downward, and light phase fluid floats, then in phase
It is flowed at clearance space between adjacent fixed ring 1021 from tower wall to the direction of shaft 203, further strengthens mass transfer between grade.
Specifically, offering multiple circular hole (not shown) in sieve area 1022, aperture is 6-30 millimeters, and percent opening is
30%-60%.The setting of circular hole makes to enter sieve area 1022 for reducing the flow resistance of the fluid entered in sieve area 1022
In light phase fluid and heavy phase fluid smoothly carry out two-phase laminated flow along the vertical direction because of the effect of density contrast, and it is smooth respectively
Into in the clearance space between adjacent fixed ring 1021, to strengthen mass transfer between grade.
Specifically, the ratio between the distance between two neighboring fixed ring 1021 and the thickness of fixed ring 1021 are 1:0.8-1.2.
The droplet and packing area 1023 that the ratio setting flows under can making from the effect of the centrifugal force of turntable 204 to tower wall direction are abundant
Ground contact, and can make for by the centrifugal force of turntable 204 effect under through packing area 1023 enter sieve area 1022 in fluid into
Interval after row two-phase laminated flow, between Yu Xianglin fixed ring 1021 provides reasonable from tower wall to the flowing of the direction of shaft 203
Mass transfer between grade is further strengthened in space.
Preferably, in the present embodiment, the ratio between the distance between two neighboring fixed ring 1021 and the thickness of fixed ring 1021
1:1.
Specifically, turntable 204 vertical direction mounting height with the middle part of corresponding fixed ring 1021 in vertical direction
Mounting height it is identical, so that 204 place plane of turntable is located at the middle part of corresponding fixed ring 1021, to make by turntable 204
The filler that the liquid flowed under centrifugal force effect to tower wall direction can omit less ground, fully contact corresponding fixed ring 1021
Area 1023, and then the droplet dispersed is improved in the efficiency for being gathered into big drop on the filler 10231 in packing area 1023, into one
Step improves mass-transfer efficiency.
Mass transfer experiment now is carried out using the rotating disc packed composite tower 1 in embodiment, n-butanol-succinic acid-water is selected in experiment
System is tested, wherein n-butanol tests body as solute as light phase dispersed phase, succinic acid as heavy phase continuous phase, water
It is that physical data is shown in Table 1, the structural parameters of rotating disc packed composite tower 1 are shown in Table 2.
1 experimental system physical parameter of table
2 extraction tower part-structure parameter of table
Under the conditions of each rotary speed, the mass-transfer efficiency comparison of rotating disc packed composite tower 1 and ordinary turntable tower is as shown below,
Detailed data is shown in Table 3.The experimental results showed that under identical operating conditions, the mass-transfer efficiency of rotating disc packed composite tower 1 is apparently higher than
Traditional ordinary turntable tower, number of mass transfer unit improve 30%-60%.
The comparison of 3 number of mass transfer unit of table
Experimental result comparison diagram
The utility model additionally provides a kind of mass transfer apparatus comprising above-mentioned rotating disc packed composite tower 1.
In conclusion the utility model provides a kind of rotating disc packed composite tower, by setting be sheathed in shaft with
Multiple turntables that shaft rotates together generate higher velocity gradient and shear stress in the fluid in refining stage, make continuous
While mutually generating strong whirlpool, dispersed phase is also made to be broken into droplet cluster, dispersion is suspended in continuous phase, is increased between two
Contact area, to strengthen mass transfer；By the way that the multiple fixed rings connecting with tower body inner wall are arranged, make the shearing masterpiece by turntable
It is contacted to the dispersed phase droplet of tower wall direction flowing with fixed ring under being crashed to pieces under, being acted on from the centrifugal force of turntable；Into one
Step ground makes high-altitude of the dispersed phase droplet for flowing to fixed ring when contacting packing area, in packing area by the way that packing area is arranged
Under the action of the filler of gap rate, gathered by droplet and at biggish drop, to reduce the back-mixing of dispersed phase droplet, also make by
The flow velocity and liquid radial momentum of continuous phase whirlpool caused by turntable rotation are die-offed, to inhibit local velocity in turbulent flow whirlpool
The phenomenon that crossing general goal entrainment dispersed phase drop back-mixing, reduces radial back-mixing；By be arranged have high opening rate sieve area, for into
Enter fluid therein and lesser flow resistance is provided, makes weight two-phase fluid in sieve area because two-phase occurs for the effect of density contrast
Separation, while the interval by being arranged between adjacent fixed ring, make isolated weight phase fluid in have in clearance space tower wall to
Mass transfer between grade is further strengthened in rotor shaft direction flowing.
The utility model additionally provides a kind of mass transfer apparatus comprising above-mentioned rotating disc packed composite tower, by using the biography
Matter equipment can reduce back-mixing, improve mass-transfer efficiency.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of rotating disc packed composite tower, which is characterized in that it includes tower body, is arranged at intervals with from top to bottom in the tower body more
A fixed ring, each fixed ring are connect with tower body；The fixed ring includes packing area and sieve area, and the fixed ring is leaned on
The one end in nearly tower body axle center is the packing area, is sieve area close to one end of tower body inner wall, the packing area is installed with filler.
2. rotating disc packed composite tower according to claim 1, which is characterized in that between the two neighboring fixed ring away from
It is 1:0.8-1.2 from the ratio between the thickness with the fixed ring.
3. rotating disc packed composite tower according to claim 2, which is characterized in that the diameter of the packing area and the sieve area
It is 0.4-1.2:1 to the ratio between size.
4. rotating disc packed composite tower according to claim 3, which is characterized in that offer multiple apertures in the sieve area
For 6-30 millimeters of circular hole, percent opening 30%-60%.
5. rotating disc packed composite tower according to claim 4, which is characterized in that the filler is wire packing or regular fills out
Material, voidage are 75% or more.
6. rotating disc packed composite tower according to claim 1, which is characterized in that the tower body further includes rotating mechanism, institute
Stating rotating mechanism includes shaft and multiple turntables, and the shaft is vertically arranged in the middle part of the tower body, between each turntable is equal
Spacer is set in the shaft.
7. rotating disc packed composite tower according to claim 6, which is characterized in that the quantity of the turntable and the fixed ring
Quantity it is equal, each turntable is corresponding with a fixed ring.
8. rotating disc packed composite tower according to claim 7, which is characterized in that the turntable is high in the installation of vertical direction
It spends identical in the mounting height of vertical direction as the middle part of the corresponding fixed ring.
9. rotating disc packed composite tower according to claim 6, which is characterized in that the rotating mechanism further includes motor and becomes
Fast case, the motor and the gearbox are connect with the shaft.
10. a kind of mass transfer apparatus, which is characterized in that including rotating disc packed composite tower as described in any one of claims 1-9.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821387518.5U CN208893672U (en) | 2018-08-24 | 2018-08-24 | A kind of rotating disc packed composite tower and mass transfer apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821387518.5U CN208893672U (en) | 2018-08-24 | 2018-08-24 | A kind of rotating disc packed composite tower and mass transfer apparatus |
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| CN208893672U true CN208893672U (en) | 2019-05-24 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111701561A (en) * | 2020-07-31 | 2020-09-25 | 中国石油化工股份有限公司 | Multi-stage variable speed rotating packed tower and extraction method |
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2018
- 2018-08-24 CN CN201821387518.5U patent/CN208893672U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111701561A (en) * | 2020-07-31 | 2020-09-25 | 中国石油化工股份有限公司 | Multi-stage variable speed rotating packed tower and extraction method |
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