CN101721829B - Revolving bed - Google Patents
Revolving bed Download PDFInfo
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- CN101721829B CN101721829B CN2008102283565A CN200810228356A CN101721829B CN 101721829 B CN101721829 B CN 101721829B CN 2008102283565 A CN2008102283565 A CN 2008102283565A CN 200810228356 A CN200810228356 A CN 200810228356A CN 101721829 B CN101721829 B CN 101721829B
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- revolving bed
- distributor pipe
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Abstract
The invention discloses a revolving bed, which comprises a revolving bed layer, a liquid phase distribution pipe, a gaseous phase inlet and a gaseous phase outlet, a liquid phase inlet and a liquid phase outlet, a shell, a composite impeller, a mud baffle ring and a mud collection box. Two ends of the shell are provided with the gaseous phase inlet and the gaseous phase outlet respectively; the liquid phase distribution pipe has a cylindrical structure, of which the pipe wall is provided with liquid distribution holes; the liquid phase distribution pipe is both used as a rotating shaft of the revolving bed layer and the composite impeller; the composite impeller is arranged at a position close to the gaseous phase inlet; the mud baffle ring has an annular structure, which is close to the shell and fixed between the revolving bed layer and the composite impeller; the mud collection box is arranged at the bottom of the shell corresponding to the composite impeller; the liquid phase inlet is connected with the liquid phase distribution pipe through a revolving joint; and the liquid phase outlet is arranged at the bottom of the shell. The composite impeller removes the micro solid particles in a gaseous phase so as to realize the pretreatment on the gaseous phase and prevent the revolving bed layer from scaling. The revolving bed is applicable to gaseous phase and liquid phase mass transfer and reaction, particularly the gaseous phase and liquid phase mass transfer and reaction with micro solid particles.
Description
Technical field
The present invention relates to a kind of revolving bed, specifically, relate to a kind of bed of rotation at a high speed that utilizes, under the hypergravity state, finish the equipment of gas-liquid mass transfer and reaction, gas solid separation.
Background technology
Hypergravity field swinging bed mass transfer and consersion unit are a kind of novel chemical unit equipments that grows up the early 1980s.Compare with conventional art, hypergravity field swinging bed mass transfer apparatus has mass transfer intensity height, characteristics such as equipment size is little, residence time of material is short, liquid holdup is few, not liquid flooding.
Common hypergravity field swinging bed equipment is made of parts such as shell, rotor (reaction bed) and motors, and rotor adopts porous media more, and material carries out mass transfer and reaction at this.Gas phase needs to carry with blower fan, particularly during the gas-liquid counter current state because liquid phase utilizes centrifugal field to disperse, although gas phase density is little, be subjected to the centrifugal field effect little, the rotation bed still can produce big resistance to gas phase, so must be equipped with blower fan, liquid pump could be realized mass transport.U.S. Pat 4382900 discloses a kind of typical adverse current revolving bed structure; The patent SU127408 of the former Soviet Union discloses a kind of typical multilayer revolving bed structure; Disclosed revolving bed equipment such as Chinese patent CN1059105A, CN1062098A, CN1428189A, CN2523482Y, CN1415396A, CN2221437Y, CN2229833Y, CN2654194A is made of parts such as shell, rotor and motors; CN1608715A discloses a kind of method that removes impurity in the gas phase, has increased Defrosting structure, uses the filler of two kinds of different sizes simultaneously, to reduce the obstruction of solid matter to packing layer; CN1686591A, CN2768867Y disclose a kind of multilayer deflection type overgravity rotary bed device, are made of multilayer baffling circle, and the baffling circle is made up of moving baffling circle, Jing Zheliuquan.CN1743064A discloses a kind of method of carrying out catalytic reaction in super gravity field.CN1611293A discloses a kind of hypergravity field swinging bed mass transfer and consersion unit, and rotor is divided into adverse current, two bed zones of following current, is provided with the rotation demister.CN1060415A discloses a kind of rotary liquid-feeding rotating bed device.CN1062098A discloses a kind of extra gravity field device that has aspirator, CN1116125A discloses a kind of cross current rotary bed hypergravity device, and impeller is set on armature spindle, the suction gas phase, the rotation bed is little negative pressure operating mode, is unfavorable for the adhere to dissolving of gas molecule in space on the drop surface.CN2581060Y discloses a kind of rotating bed super gravity heterophase reactor, adopted rotating bed with helix channel, helix is a spiral of Archimedes, can obtain long gas-liquid two-phase contact path, but resistance is big, no suction capactity, particularly gas phase contain solid particle more thereby easily stop up bed.
Summary of the invention
At the deficiencies in the prior art, but the invention provides the not susceptible to plugging revolving bed of a kind of bed, when being used to handle the gas phase that contains solid impurity, can effectively preventing to rotate bed and stop up, be applicable to the gas-liquid mass transfer and the reaction that contain the solid and gas body, do not influence normal running.
Revolving bed of the present invention comprises formations such as rotation bed, liquid phase distributor pipe, gas phase import and export, liquid phase import and export, shell, composite impeller, mud retaining ring and collection mud box.Gas phase is imported and exported the two ends that are separately positioned on shell, the liquid phase distributor pipe is a cylindrical structure of offering the liquid distribution hole on the tube wall, the liquid phase distributor pipe is simultaneously as the rotating shaft of rotating bed and composite impeller, composite impeller is pressed device in the position near the gas phase import, mud retaining ring is a circulus, be fixed between rotation bed and the composite impeller near shell, the collection mud box is arranged on the outer casing bottom of composite impeller correspondence position, the liquid phase import is connected with the liquid phase distributor pipe by swivel joint, and the liquid phase outlet is arranged on outer casing bottom.
Composite impeller is made of wheel hub and some composite bladings, wheel hub is fixed on composite blading on the liquid phase distributor pipe, and composite blading adheres to the several layers screen cloth by the steel plate blade to be made, and the steel plate blade places the windward side, screen cloth is attached at the steel plate lee face, and the steel plate blade is offered the tongue type line of rabbet joint.When rotating with the liquid phase distributor pipe, composite impeller produces air-breathing effect in device.2～6 of composite impeller operated by rotary motion.The rotation bed adopts the common rotation bed in this area as required, generally rolls by the several layers screen cloth is folded.
In the revolving bed of the present invention, the enclosure location of rotation bed correspondence is provided with the sealing gland ring assemblies, the sealing gland ring assemblies is made of housing and some roads annulus, the compression ring assembly housing is fixed on the outer casing inner wall, annulus is fixed on the housing, and the width of annulus is generally 1～20cm, preferred 2～10cm, length according to the rotation bed can be provided with 1～6 road annulus.Mud retaining ring also can be fixed on the compression ring assembly housing, and the width of mud retaining ring can be identical or slightly wideer with sealing gland assembly annulus width.
In the revolving bed of the present invention, in the liquid phase distributor pipe centrifugal impeller is set, centrifugal impeller is made of some blades and end cap, and centrifugal impeller is screwed in liquid phase distributor pipe fluid inlet end.When rotating with the liquid phase distributor pipe, centrifugal impeller produces the effect of imbibition in the liquid phase distributor pipe.
The liquid phase distributor pipe has distribution liquid phase, bed rotating shaft, composite impeller axle and four functions of centrifugal impeller axle; The liquid phase distributor pipe is made two sections, is connected in one with screw; The liquid phase distributor pipe is hollow tubular, and the liquid phase distributor pipe zone of rotation bed and the liquid phase distributor pipe zone that composite impeller is installed are installed, and evenly offers some liquid distribution hole on its tube wall.
Shell constitutes by three sections: cloth gas tank, bed housing and plenum chamber, on the cloth gas tank gas feed is set, and gas vent is set on the plenum chamber.The rotation bed is installed on the interior liquid distribution pipe of shell, and the liquid distribution pipe two ends are supported with sliding bearing respectively: an end bearing is fixed on the shell, and an end bearing is installed on the supporting component.Be connected with shaft coupling between the shared chassis of shell and motor, revolving bed axle and motor.
Revolving bed of the present invention can be made into the plural parallel stage structure, to adapt to the operating condition of different tolerance, when adopting parallel-connection structure, gas phase gateway concetrated pipe is set, and is used for the distribution and the collection of gas phase.
The present invention is according to the characteristics that contain solid impurity in the gas phase, composite impeller and rotation bed two-stage Rotary District are set, before the rotation bed, composite impeller forms the preliminary treatment of gas phase, in pretreatment section, when composite impeller was introduced gas phase, the liquid phase distributor pipe sprayed liquid phase, after the small solid particle in the gas phase has adhered to drop, its viscosity, weight all has bigger increase, under action of centrifugal force, slide along the steel plate blade surface, and got rid of to device housings, in the collection mud box, collect and discharge at any time or regularly, in pretreatment section, the most of solid impurity in the gas phase can separate, and has reduced the influence of solid impurity to follow-up revolving bed.
In the revolving bed of the present invention, composite impeller also has air-breathing function, has offset the pressure drop affects that gas phase is caused because of revolving bed.The centrifugal impeller that is provided with can be realized the suction of liquid phase, makes this equipment have self-suction function.The sealing gland assembly that is provided with is in the fluid-tight state around making revolving bed, has reduced the short circuit phenomenon of the gas phase of revolving bed without bed, has guaranteed treatment effect, is applicable to the gas-liquid mass transfer and the reaction that contain the solid and gas body.
Description of drawings
Fig. 1 is the installation diagram of a kind of concrete structure of revolving bed of the present invention.
Fig. 2 is a sealing gland ring assemblies structural representation.
Fig. 3 is the centrifugal impeller structural representation.
Fig. 4 is the composite impeller structural representation.
Fig. 5 is an equipment plural parallel stage structural representation of the present invention.
The specific embodiment
Be further described below in conjunction with the revolving bed of accompanying drawing a kind of concrete structure of the present invention.Shown in Fig. 1,2,3,4, the self-priming revolving bed of gas-liquid of the present invention is made of rotation bed 6, composite impeller 16, centrifugal impeller 7, liquid phase distributor pipe 5, swivel joint 9, supporting component 8, gas phase inlet 2, gaseous phase outlet 10, liquid phase inlet 11, catch box 13, liquid phase outlet 12, sealing gland ring assemblies 4, mud retaining ring 3, collection mud box 14, mud discharging mouth 15, shell 17 and motor 1 etc.
Rotation bed 6 is rolled by the several layers screen cloth is folded, can use the existing rotation bed in this area.Composite impeller 16 is made of wheel hub 16-1 and some composite blading 16-2; Composite blading adheres to the several layers screen cloth by the steel plate blade and makes; The steel plate blade places the windward side, and screen cloth adhere well to the steel plate lee face; The steel plate blade of composite blading is offered the tongue type line of rabbet joint; The tongue type line of rabbet joint is stamped to form; Tongue template projection, height of projection 1～2mm; Line of rabbet joint percent opening 10%～30%, preferred 25%.The revolving bed outer is provided with the sealing gland ring assemblies; Sealing gland ring assemblies 4 is made of sealing gland assembly housing 4-1 and some road annulus 4-2; The circular hole passage can be offered in the annulus bottom, so that liquid passes through.On the bed housing mud retaining ring is set, the shared housing of mud retaining ring and sealing gland ring.The liquid phase distributor pipe has distribution liquid phase, bed rotating shaft, composite impeller axle and four functions of centrifugal impeller axle; The liquid phase distributor pipe is made two sections, and two sections axles connect with screw; The liquid phase distributor pipe is hollow tubular; The liquid phase distributor pipe zone of rotation bed is installed, offers some apertures on its tube wall, hole diameter Φ 1～Φ 3mm, preferred Φ 1.5mm, the aperture gross area equals about 2/3 of feed pipe sectional area; The liquid phase distributor pipe zone of air-breathing composite impeller is installed, offers some apertures on its tube wall, hole diameter Φ 2～Φ 5mm, preferred Φ 3mm, the aperture gross area equals about 1/3 of feed pipe sectional area; The liquid phase distributor pipe is provided with centrifugal impeller; Centrifugal impeller is made of some blades and end cap; Centrifugal impeller is screwed at liquid phase distributor pipe arrival end.Swivel joint links together liquid phase distributor pipe and feed tube.Shell constitutes by three sections: cloth gas tank 17-1, bed housing 17-2 and plenum chamber 17-3.The self-priming revolving bed of gas-liquid can be made into the plural parallel stage structure, and gas phase gateway concetrated pipe is set.The self-priming revolving bed of gas-liquid can be made into the plural parallel stage structure, as shown in Figure 5, when adopting parallel-connection structure, gas phase inlet manifold 18, gaseous phase outlet concetrated pipe 19 is set, and is used for the distribution and the collection of gas phase.
During work, gas-liquid two-phase realizes that respectively self-priming enters this revolving bed: gas phase enters revolving bed through the gas phase inlet, on the liquid phase distributor pipe composite impeller is set, and does rotation at a high speed with the liquid phase distributor pipe, provides pressure head to gas phase, realizes the gas phase suction.Liquid phase enters the liquid phase distributor pipe by swivel joint, under the centrifugal impeller effect of doing rotation at a high speed with the liquid phase distributor pipe, provides pressure head to liquid phase, realizes the liquid phase suction.
In pretreatment section, when composite impeller is introduced gas phase, the liquid phase distributor pipe sprays liquid phase, after small solid particle in the gas phase has adhered to drop, its viscosity, weight all have bigger increase, under action of centrifugal force, slide along the steel plate blade surface, and got rid of to apparatus casing, finish gas solid separation.
At the revolving bed interval, liquid phase realizes broken liquid, atomizing in revolving bed under high speed revolving bed action of centrifugal force, and form radial flow; Gas phase forms axial flow in revolving bed, gas-liquid two-phase is finished the cross-flow contact in flow process, realize mass transfer and reaction.Drop is done in revolving bed in the radial motion process, repeatedly the experience " gatherings-dispersions-reaction " process, the drop surface in this process, the continual renovation, the reinforcement, homogenizing mass transfer and reaction.
Mud retaining ring is set, and the mud that pretreatment section is separated can't flow into the revolving bed interval, can only enter the collection mud box, and outside the mud discharging mouth device for transferring; The sealing gland ring assemblies is set, liquid phase runner gas phase can't be passed through, prevent the gas phase short circuit; The liquid phase of getting rid of on housing wall is pooled to the bottom, and the duct by sealing gland ring bottom is offered flows into catch box, outside liquid phase outlet device for transferring.
This equipment is provided with composite impeller and centrifugal impeller, realizes the self-priming of gas-liquid two-phase.The composite impeller section is removed the small solid particle in the gas phase, realizes the preliminary treatment of gas phase, prevents to rotate the bed fouling.Be applicable to gas-liquid two-phase mass transfer and reaction.Particularly contain the mass transfer and the reaction of the gas phase and the liquid phase of small solid particle.
Claims (8)
1. revolving bed, comprise the rotation bed, the liquid phase distributor pipe, gas phase is imported and exported, liquid phase is imported and exported and shell, it is characterized in that revolving bed also comprises composite impeller, mud retaining ring and collection mud box, gas phase is imported and exported the two ends that are separately positioned on shell, the liquid phase distributor pipe is a cylindrical structure of offering the liquid distribution hole on the tube wall, the liquid phase distributor pipe is simultaneously as the rotating shaft of rotating bed and composite impeller, composite impeller is pressed device in the position near the gas phase import, mud retaining ring is a circulus, be fixed between rotation bed and the composite impeller near shell, the collection mud box is arranged on the outer casing bottom of composite impeller correspondence position, the liquid phase import is connected with the liquid phase distributor pipe by swivel joint, and the liquid phase outlet is arranged on outer casing bottom; Described composite impeller is made of wheel hub and some composite bladings, wheel hub is fixed on composite blading on the liquid phase distributor pipe, and composite blading adheres to the several layers screen cloth by the steel plate blade to be made, and the steel plate blade places the windward side, screen cloth is attached at the steel plate lee face, and the steel plate blade is offered the tongue type line of rabbet joint.
2. according to the described revolving bed of claim 1, it is characterized in that described composite impeller is provided with 2～6.
3. according to the described revolving bed of claim 1, it is characterized in that in the enclosure location of rotation bed correspondence the sealing gland ring assemblies being set, the sealing gland ring assemblies is made of housing and some roads annulus, and the compression ring assembly housing is fixed on the outer casing inner wall, and annulus is fixed on the housing.
4. according to the described revolving bed of claim 3, it is characterized in that described annulus width is 1～20cm.
5. according to the described revolving bed of claim 3, it is characterized in that mud retaining ring is fixed on the compression ring assembly housing.
6. according to the described revolving bed of claim 1, it is characterized in that in the liquid phase distributor pipe centrifugal impeller being set, centrifugal impeller is made of some blades and end cap, and centrifugal impeller is screwed in liquid phase distributor pipe fluid inlet end.
7. according to the described revolving bed of claim 1, it is characterized in that the liquid phase distributor pipe is hollow tubular, the liquid phase distributor pipe zone of rotation bed and the liquid phase distributor pipe zone that composite impeller is installed are installed, evenly offer the liquid distribution hole on its tube wall.
8. according to the described revolving bed of claim 1, it is characterized in that revolving bed adopts parallel-connection structure, gas phase gateway concetrated pipe is set, be used for the distribution and the collection of gas phase.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102283565A CN101721829B (en) | 2008-10-28 | 2008-10-28 | Revolving bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102283565A CN101721829B (en) | 2008-10-28 | 2008-10-28 | Revolving bed |
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| Publication Number | Publication Date |
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| CN101721829A CN101721829A (en) | 2010-06-09 |
| CN101721829B true CN101721829B (en) | 2011-09-21 |
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| CN2008102283565A Active CN101721829B (en) | 2008-10-28 | 2008-10-28 | Revolving bed |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101890250B (en) * | 2010-07-20 | 2012-06-13 | 浙江工业大学 | Super-gravity revolving bed provided with multi-layer cylindrical rotary liquid distributor |
| CN103789001B (en) * | 2012-11-03 | 2015-12-02 | 中国石油化工股份有限公司 | The recovery method of a kind of revolving bed and hydrocarbon-contained waste gas |
| CN103789000B (en) * | 2012-11-03 | 2016-03-02 | 中国石油化工股份有限公司 | The recovery method of revolving bed and hydrocarbon-contained waste gas |
| CN104587814B (en) * | 2013-11-04 | 2017-02-15 | 中国石油化工股份有限公司大连石油化工研究院 | Treating method for waste gas containing sulfur and hydrocarbons |
| CN105771600B (en) * | 2016-04-12 | 2018-09-14 | 刘杨先 | The method and device that plant ash slurries remove multi-pollutant integration in tail gas |
| CN110652952B (en) * | 2018-06-29 | 2021-03-26 | 广东美的白色家电技术创新中心有限公司 | Seal ring and rotary device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1990014872A1 (en) * | 1989-06-09 | 1990-12-13 | Hydro-Tek, Inc. | Method and apparatus for clarifying liquids |
| CN1062098A (en) * | 1992-01-16 | 1992-06-24 | 北京化工学院 | The rotating bed super gravity field device that has aspirator |
-
2008
- 2008-10-28 CN CN2008102283565A patent/CN101721829B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1990014872A1 (en) * | 1989-06-09 | 1990-12-13 | Hydro-Tek, Inc. | Method and apparatus for clarifying liquids |
| CN1062098A (en) * | 1992-01-16 | 1992-06-24 | 北京化工学院 | The rotating bed super gravity field device that has aspirator |
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| CN101721829A (en) | 2010-06-09 |
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