CN202478632U - Rotational flow shear type super-gravity rectifying tower - Google Patents
Rotational flow shear type super-gravity rectifying tower Download PDFInfo
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- CN202478632U CN202478632U CN2012200669021U CN201220066902U CN202478632U CN 202478632 U CN202478632 U CN 202478632U CN 2012200669021 U CN2012200669021 U CN 2012200669021U CN 201220066902 U CN201220066902 U CN 201220066902U CN 202478632 U CN202478632 U CN 202478632U
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Abstract
The utility model relates to a rotational flow shear type super-gravity rectifying tower, solving the problem of low mass transfer efficiency caused by poor contact or short contact time of a gas phase and a liquid phase due to short circuit or channel phenomenon between gas and liquid in the existing rotational super-gravity rectifying tower. The rotational flow shear type super-gravity rectifying tower comprises a housing, wherein a vertical rotary shaft is arranged in the center of the housing; a throwing disc rotating with the rotary shaft is arranged on the rotary shaft; the housing is downwardly provided with a plurality of static rings; the throwing disc is upwardly provided with a plurality of dynamic rings; the dynamic rings and the static rings are coaxial with the rotary shaft and are alternately inserted to form a zigzag flow channel; and the space between the dynamic ring and the static ring which are adjacent to each other is outwardly and gradually reduced from the shaft center. Fish bubble eye-shaped spray holes which are spirally arranged in the tangential direction are also arranged on the dynamic rings, so that liquid phase materials can be thrown out from the spray holes and are dispersed. The rotational flow shear type super-gravity rectifying tower has larger gas-liquid contact area and has the characteristics of low resistance force and high shear force, With the adoption of the rotational flow shear type super-gravity rectifying tower, the shear time of the gas phase and the liquid phase in a narrow channel between the dynamic rings and the static rings is prolonged, the shear strength of the gas phase and the liquid phase in a narrow channel between the dynamic rings and the static rings is enhanced.
Description
Technical field
The utility model relates to a kind of rectifying column, particularly a kind of shearing hypergravity rectifying column of eddy flow that strengthens the vapour-liquid contact area, improves rectification efficiency.
Technical background
Rectifying column is a kind of tower vapor-liquid contacting apparatus that carries out rectifying, and steam gets at the bottom of by tower.Evaporate the vapour phase and the decline liquid that and carry out counter current contacting, two contact, and the volatile components in the decline liquid constantly shifts in vapour phase, and the difficult volatile component in the vapour phase constantly shifts in decline liquid, thereby reach the purpose that component is separated.The vapour that distillates that is risen by cat head gets into condenser, and the part of the liquid of condensation is returned cat head as phegma and got in the rectifying column, and remaining part is then taken out as product.The rectificated remaining liquid that tower bottom flow goes out, a part is wherein sent into reboiler, and heating evaporation becomes the vapour phase of boiling again to return in the tower, and another part liquid takes out as the still raffinate.Therefore continuous rectifying tower generally possesses six interfaces, is respectively vapour phase material inlet, liquid phase material inlet, distillates vapor outlet, phegma inlet, rectificated remaining liquid outlet, the vapour inlet that boils again.
The rotary-type rectifying column of hypergravity is a kind of novel, efficient, the energy-conservation rectifying device that occurs in recent years, and its volume is little, and separative efficiency is high, theoretical cam curve advantages of higher in the unit volume, the existing gesture that replaces " tall person " conventional filler type rectifying column.But it is existing such as hypergravity rotary columns such as deflector type, cross-current type, collision type technology; Have short circuit or channeling between vapour-liquid, make vapour-liquid two contact bad or the time too short, cause that mass-transfer efficiency descends disadvantage.
CN1325137C patent like Patent Office of the People's Republic of China's bulletin on July 11st, 2007; Name is called multilayer deflection type overgravity rotary bed device; This device comprises housing; The housing center is provided with the rotating shaft that housing is run through at two ends, is connected in series with a group rotor that is layered arrangement from top to bottom in the rotating shaft, also is provided with the intermediate feed mouth that communicates with baffling circle passage on the housing.This rotor is made up of the moving baffling dish that is fixedly connected with rotating shaft, the quiet baffling dish that is fixedly connected with housing, and moving baffling circle is fixedly connected on respectively with Jing Zheliuquan and moves on baffling dish and the quiet baffling dish.One group of concentric and moving baffling circle that diameter is different, Jing Zheliuquan establish relatively and constitute tortuous baffling circle passage; And be provided with the first passage mouth in the both sides of rotor lower end; The center of rotor upper end is provided with the second channel mouth; First passage mouth and second channel mouth communicate with baffling circle passage, and this device is deflection type overgravity rotary bed for typically.
Summary of the invention
The purpose of the utility model is to solve between the existing rotary-type rectifying column vapour-liquid of hypergravity and has short circuit or channeling; Make vapour-liquid two contact bad or the time too short; The problem that causes mass-transfer efficiency to descend; Provide a kind of eddy flow shearing hypergravity rectifying column, improve the vapour-liquid shear strength, strengthen mass-transfer efficiency.
The utility model solves the technical scheme that its technical problem adopted: the shearing hypergravity rectifying column of a kind of eddy flow, comprise housing, and the housing center is provided with vertical rotating shaft; Rotating shaft is provided with the dish that gets rid of with the rotating shaft rotation; Housing gets rid of dish and upwards is provided with some moving-coils to having some Jing Quan, moving-coil and Jing Quan and rotating shaft concentric; Moving-coil and quiet circle alternating layer are inserted and are formed tortuous runner, and the spacing between adjacent moving-coil and the quiet circle outwards reduces from the axle center gradually.The benefit of this flow passage structure be the distribution of getting rid of the centrifugal force field of dish with rotation be coincide (with ω
2R is directly proportional, and wherein ω is that angular speed, the r that gets rid of disc spins is the radius that gets rid of dish), it is narrower promptly to get rid of the runner that coils the radius general goal in rotation, and steam flow speed can be higher, because centrifugal force is big here, it is higher that liquid velocity also can become.Steam flow at a high speed and flow head-on crash at a high speed; Strong shear action can take place; Liquid is torn the liquid film as thin as a wafer that becomes to have high linear speed and tiny drop or fragment; Thereby increased the contact area and the distance of vapour, liquid two phases, vapour, liquid two alternate heat transfer, mass transfers can be carried out fast and efficiently.
As preferably, said moving-coil is provided with spray orifice, spray orifice in the moving-coil upper edge helix arrange, spray orifice is offered along the moving-coil tangential along helix obliquely.
As preferably, said spray orifice is a fish bubble eye shape.Jet orifice structure and similar the heaving of fish bubble eye, and the spray orifice opening direction is the tangential.Designed the spray orifice that the angle of spiral is arranged on the moving-coil, do not had any spray orifice and be fixed on the housing to be on the Jing Quan of the slotting shape of layer with moving-coil.Liquid moves upward along the moving-coil that gets rid of on the dish under the centrifugal action that gets rid of the dish generation of rotation at a high speed, and is dished out by by leaps and bounds from the oblique spray orifice of fish bubble ocular form along helix; With radially with the liquid knockout of tangential velocity on the Jing Quan of no spray orifice, liquid is ground into a large amount of fine drop or liquid film fragment as thin as a wafer under the effect of powerful impact and shearing force; Under the effect of gravity, move downward, and with the steam flow counter current contacting that rises, vapour, the vaporization of liquid heat exchange rear section; The liquid of not vaporizing to fall and get rid of tray bottom; Cross back, quiet circle bottom and get into another layer moving-coil inboard, repeat said process, got rid of dish up to dishing out and get into one deck down.Because drop, liquid film are very thin, thin; Specific area is big; And exposed a large amount of new surface areas after pulverizing; Vapour, liquid two in the slotting formula S shape slype of layer that between moving-coil and quiet circle, forms is joined touch mix very abundant, thereby greatly reduced resistance to mass tranfer, promptly greatly increased mass tranfer coefficient.The liquid of from the oblique spray orifice of fish bubble ocular form, being dished out, a part under the gravity effect as stated that kind move downward; Another part can be taken back the inboard of moving-coil by the rising steam flow, and once more under centrifugal action, being dished out from a fish bubble eye spray orifice hits Jing Quan.This spray orifice that this device proposes can prolong time and the intensity that shearing takes place in vapour, the slype of liquid two between dynamic and static circle; And can not make the multiplication of vapour phase resistance; It is a lot of that practice proves that also the setting of this oblique spray orifice improves the separative efficiency of device; " theoretical cam curve " of promptly separating Duoed 20～30 than other similar hypergravity tower, and reflux ratio can reduce greatly simultaneously, thereby the total energy consumption of distillation operation is also declined to a great extent.
As preferably, said moving-coil is everywhere helix that a plurality of spray orifices are intensive to be offered.
As preferably, said housing is a sandwich construction up and down, and each layer housing is equipped with corresponding dish, moving-coil, the quiet coil structures of getting rid of.Rectifying column is a sandwich construction, is provided with the runner that multilayer is got rid of dish and housing formation.
As preferably, said case top is provided with and distillates vapor outlet, phegma inlet, and said housing bottom is provided with the vapour inlet that boils again, rectificated remaining liquid outlet, and the waist of said housing is provided with vapour phase material inlet, liquid phase material inlet.The height that vapour phase material inlet, liquid phase material inlet are can be according to the different choice of raw material and product design suitable; The rectifying column of three-decker for example; Can select vapour phase material inlet, liquid phase material inlet are arranged between one, two layer according to the requirement of raw material and product design, also can be arranged between two, three layers.
The utility model runner from inside to outside narrows down gradually, has improved the relative velocity that outer side runner vapour-liquid flows, and strengthens shear effect, and the vapour-liquid contact area is bigger, and mass transfer effect is good; The spray orifice of fish bubble eye shape is set; The liquid phase material constantly thrown away from spray orifice break up; Can prolong time and intensity that shearing takes place in vapour, the slype of liquid two between dynamic and static circle,, but increase circulation area vapour phase; Reduced the vapour phase circulating resistance, thereby made this dish that gets rid of have the characteristic of lower resistance high shear force.
Description of drawings
Fig. 1 is the utility model overall structure sketch map.
Fig. 2 is the utility model flow passage structure sketch map.
Fig. 3 is an A place enlarged drawing among the utility model Fig. 2.
Fig. 4 is the utility model spray orifice distribution schematic diagram on moving-coil.
Fig. 5 is the single spray orifice side view of the utility model.
Fig. 6 is B-B cutaway view among the utility model Fig. 5, the i.e. sectional view of single spray orifice.
Among the figure: 1. housing, 2. rotating shaft, 3. motor 4. gets rid of dish, 5. liquid phase material inlet, 6. vapour phase material inlet, the vapour that 7. boils again inlet, 8. rectificated remaining liquid outlet 9. distillates vapor outlet, 10. phegma inlet, 11. Jing Quan, 12. moving-coils, 13. spray orifices.
The specific embodiment
Below through specific embodiment and combine accompanying drawing that the utility model is further specified.
Embodiment: the shearing hypergravity rectifying column of a kind of eddy flow, as shown in Figure 1.This device comprises the housing 1 that is arranged on the rotary type on the frame, and the housing center is provided with vertical rotating shaft 2, and rotating shaft 2 drives through the motor 3 that is arranged on the frame.Divide three layers in the housing 1; The housing number of plies can increase according to the actual requirements, and every layer of housing 1 is equipped with to be fixed on and gets rid of dish 4 in the rotating shaft, gets rid of the moving-coil 12 that dish 4 upper surfaces are provided with the concentric annular of some and rotating shaft; Housing 1 every layer end face is to having the identical quiet circle 11 of quantity; Quiet circle 11 is inserted with moving-coil 12 alternating layers and is formed tortuous class S type runner, and the top of housing 1 each layer also is provided with liquid distribution trough, with liquid phase material guide housings top center; The liquid phase material is from inside to outside flowed in runner, form convection current with the vapour phase material that flows from outside to inside.Be provided with at the top of housing 1 and distillate vapor outlet 9, phegma inlet 10, said housing bottom is provided with the vapour inlet 7 that boils again, rectificated remaining liquid outlet 8, and the side of the second layer bottom of said housing is provided with vapour phase material inlet 6, liquid phase material inlet 5.
Flow passage structure such as Fig. 2, shown in Figure 3 that quiet circle 11 and moving-coil 12 constitute; Adjacent quiet circle 11 reduces with the gap of moving-coil 12 from inside to outside gradually; This flow passage structure coincide with the distribution that the centrifugal force field of dish is got rid of in rotation, and it is narrower promptly to get rid of the runner that coils the radius general goal in rotation, and steam flow speed can be higher; Because centrifugal force is big here, it is higher that liquid velocity also can become.Strong shear action can take place in steam flow at a high speed and flow head-on crash at a high speed, liquid is torn the liquid film as thin as a wafer that becomes to have high linear speed and tiny drop or fragment, thereby has increased the contact area and the distance of vapour, liquid two phases.
Liquid phase material mobile as shown in Figure 2 in runner, liquid gets rid of under the centrifugal action that dish produces rotation at a high speed, moves upward along the moving-coil that gets rid of on the dish; And dished out by by leaps and bounds from the oblique spray orifice of fish bubble ocular form along helix, with radially with the liquid knockout of tangential velocity on the Jing Quan of no spray orifice, liquid is under the effect of powerful impact and shearing force; Be ground into a large amount of fine drop or liquid film fragment as thin as a wafer; Under the effect of gravity, move downward, and with the steam flow counter current contacting that rises, vapour, the vaporization of liquid heat exchange rear section; The liquid of not vaporizing to fall and get rid of tray bottom; Cross back, quiet circle bottom and get into another layer moving-coil inboard, repeat said process, got rid of dish up to dishing out and get into one deck down.Because drop, liquid film are very thin, thin; Specific area is big; And exposed a large amount of new surface areas after pulverizing; Vapour, liquid two in the slotting formula S shape slype of layer that between moving-coil and quiet circle, forms is joined touch mix very abundant, thereby greatly reduced resistance to mass tranfer, promptly greatly increased mass tranfer coefficient.The liquid of from the oblique spray orifice of fish bubble ocular form, being dished out, a part under the gravity effect as stated that kind move downward; Another part can be taken back the inboard of moving-coil by the rising steam flow, and once more under centrifugal action, being dished out from a fish bubble eye spray orifice hits Jing Quan.
The present embodiment structure can be used for the actual rectifying separation of the binary system material of methanol-water, and it is 750mm that the dish diameter is got rid of in design, and rotating speed is 1000r/min, hypergravity factor-beta (=ω
2R/g) reach 416; Theoretical plate reaches～and 90, the hypergravity continuous rectifying tower of three-decker has reached quality and production capacity is following: advancing tower material benzenemethanol concentration is 70% (mol/mol); Going out tower finished product methanol concentration is 99% (mol/mol); At the bottom of the tower in the effluent discharge methanol concentration be 0.5% (mol/mol), inlet amount is 618kg/h, finished product output is 500 kg/h.The steam consumption: 1.0t/h, the cooling water consumption: 97 t/h, main frame power consumption 7.5kwh, device Methanol Recovery rate reaches 98%.
Claims (6)
1. the shearing hypergravity rectifying column of eddy flow comprises housing, and the housing center is provided with vertical rotating shaft; Rotating shaft is provided with the dish that gets rid of with the rotating shaft rotation; It is characterized in that: housing gets rid of dish and upwards is provided with some moving-coils to having some Jing Quan, moving-coil and Jing Quan and rotating shaft concentric; Moving-coil and quiet circle alternating layer are inserted and are formed tortuous runner, and the spacing between adjacent moving-coil and the quiet circle outwards reduces from the axle center gradually.
2. the shearing hypergravity rectifying column of eddy flow according to claim 1, it is characterized in that: said moving-coil is provided with spray orifice, spray orifice in the moving-coil upper edge helix arrange, the spray orifice opening is offered along the moving-coil tangential along helix obliquely.
3. the shearing hypergravity rectifying column of eddy flow according to claim 1 is characterized in that: said spray orifice is a fish bubble eye shape.
4. according to claim 2 or the shearing hypergravity rectifying column of 3 described eddy flows, it is characterized in that: said moving-coil is everywhere helix that a plurality of spray orifices are intensive to be offered.
5. according to claim 1 or the shearing hypergravity rectifying column of 2 or 3 described eddy flows, it is characterized in that: said housing is sandwich construction up and down, and each layer housing is equipped with corresponding dish, moving-coil, the quiet coil structures of getting rid of.
6. according to claim 1 or the shearing hypergravity rectifying column of 2 or 3 described eddy flows; It is characterized in that: said case top is provided with and distillates vapor outlet, phegma inlet; Said housing bottom is provided with the vapour inlet that boils again, rectificated remaining liquid outlet, and the waist of said housing is provided with vapour phase material inlet, liquid phase material inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200669021U CN202478632U (en) | 2012-02-28 | 2012-02-28 | Rotational flow shear type super-gravity rectifying tower |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200669021U CN202478632U (en) | 2012-02-28 | 2012-02-28 | Rotational flow shear type super-gravity rectifying tower |
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| CN202478632U true CN202478632U (en) | 2012-10-10 |
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| CN2012200669021U Expired - Lifetime CN202478632U (en) | 2012-02-28 | 2012-02-28 | Rotational flow shear type super-gravity rectifying tower |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106622093A (en) * | 2017-01-09 | 2017-05-10 | 中北大学 | Composite baffling revolving bed mass transfer and reaction device |
| CN106914028A (en) * | 2015-12-26 | 2017-07-04 | 江苏博凯环境科技有限公司 | A kind of fire resistant anticorrosive hypergravity rectifying column and modified technique |
| CN110156103A (en) * | 2019-06-25 | 2019-08-23 | 河南达新源新材料有限公司 | A kind of Novel stripping tower |
| CN111389106A (en) * | 2020-03-25 | 2020-07-10 | 苏州汇博龙环保科技有限公司 | High-temperature-resistant anti-corrosion rotational flow shear type gas-liquid separator |
| CN113877370A (en) * | 2020-07-02 | 2022-01-04 | 中国石油化工股份有限公司 | Supergravity absorbing device |
| CN114225450A (en) * | 2021-12-29 | 2022-03-25 | 浙江工业大学 | Integral rotary type hypergravity bed |
| CN114247171A (en) * | 2022-01-04 | 2022-03-29 | 朱丹 | Supergravity solvent purification equipment |
-
2012
- 2012-02-28 CN CN2012200669021U patent/CN202478632U/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106914028A (en) * | 2015-12-26 | 2017-07-04 | 江苏博凯环境科技有限公司 | A kind of fire resistant anticorrosive hypergravity rectifying column and modified technique |
| CN106622093A (en) * | 2017-01-09 | 2017-05-10 | 中北大学 | Composite baffling revolving bed mass transfer and reaction device |
| CN106622093B (en) * | 2017-01-09 | 2018-07-10 | 中北大学 | Combined type baffling revolving bed mass transfer and consersion unit |
| CN110156103A (en) * | 2019-06-25 | 2019-08-23 | 河南达新源新材料有限公司 | A kind of Novel stripping tower |
| CN111389106A (en) * | 2020-03-25 | 2020-07-10 | 苏州汇博龙环保科技有限公司 | High-temperature-resistant anti-corrosion rotational flow shear type gas-liquid separator |
| CN111389106B (en) * | 2020-03-25 | 2021-08-24 | 苏州汇博龙环保科技有限公司 | High-temperature-resistant anti-corrosion rotational flow shear type gas-liquid separator |
| CN113877370A (en) * | 2020-07-02 | 2022-01-04 | 中国石油化工股份有限公司 | Supergravity absorbing device |
| CN114225450A (en) * | 2021-12-29 | 2022-03-25 | 浙江工业大学 | Integral rotary type hypergravity bed |
| CN114225450B (en) * | 2021-12-29 | 2023-05-23 | 浙江工业大学 | Integral rotary hypergravity bed |
| CN114247171A (en) * | 2022-01-04 | 2022-03-29 | 朱丹 | Supergravity solvent purification equipment |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
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Granted publication date: 20121010 |