CN101721826A - Bubble tower - Google Patents
Bubble tower Download PDFInfo
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- CN101721826A CN101721826A CN 200810228355 CN200810228355A CN101721826A CN 101721826 A CN101721826 A CN 101721826A CN 200810228355 CN200810228355 CN 200810228355 CN 200810228355 A CN200810228355 A CN 200810228355A CN 101721826 A CN101721826 A CN 101721826A
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Abstract
The invention discloses a bubble tower comprising a cylinder, a gaseous phase distributor, a liquid phase distributor, a liquid reducing pipe and at least one bubble bed layer. A tower tray assembly is arranged at the bottom of the bubble bed layer and comprises a bubble bed tower plate and bubble pulse valves distributed and arranged on the bubble bed tower plate; a bubble pulse valve structure comprises a circular through cylinder the lower part of which passes through the bubble bed tower plate, a steel ball and a steel ball limiting cap; the sealing steel ball is movably placed at the top of the circular though cylinder; the steel ball limiting cap is arranged above the steel ball; the steel ball limiting cap and the top of the steel ball are provided with proper spaces; and the steel ball limiting cap is provided with a sieve pore. The gas-liquid mass transfer equipment has the advantages of simple structure, small occupied area, high mass transfer efficiency, high operation elasticity, no leaked liquid and fully utilization of the space among the bubble bed layer. The invention is suitable for gas-liquid mass transfer and reactions and can be widely applied to the fields of petrochemical engineering, environmental protection and the like.
Description
Technical field
The present invention relates to a kind of bubble tower, belong to gas-liquid mass transfer (contact) equipment, can be widely used in the technical process such as distillation, absorption, washing, stripping in fields such as oil refining, chemical industry, environmental protection.
Background technology
Gas-liquid mass transfer is one of chemical engineering unit operation technical process commonly used.Gas-liquid mass transfer (contact) equipment commonly used has plate column, packed tower, spray column etc., and wherein plate column is of a great variety, and bubble-cap formula, float-valve type, tongue plate type, oblique hole type, sieve-board type etc. are arranged.The advantage of plate column is low, the difficult obstruction of expense, and production capacity is big, and operating characteristic is big, and maintenance easily.Shortcoming is that liquid layer is thick, resistance is big, and air-teturning mixed phenomenon is arranged, and gas liquid contacting efficiency needs further to improve.The packed tower SR is little, mass transfer area is big, easily stops up but expense is high, and gas speed is difficult for improving.The gas-liquid contact operating mode that sieve plate bubble tower advantage is that pressure drop is little, device structure is simple, can form the laminar flow gentleness, shortcoming be operating flexibility little, leakage etc. takes place easily.CN2373150Y discloses a kind of following current combined type plate type rectifying tower, adopts " N " type element of long strip column plate.CN2251431Y discloses a kind of gas-liquid mass transfer column plate, and zigzag structure is adopted in its overflow upper edge, and column plate adopts screen.CN1709541A discloses a kind of gas-liquid mass transfer apparatus-plate tower, and column plate is a cambered plate, and cambered plate is provided with the zigzag upper edge, and liquid flows along being the liquid tentiform along plate, gas and liquid curtain cross-flow blistering reaction, and full tower forms counter current contacting.CN1754605A discloses a kind of column plate with porous surface, 10～200 microns of the average pore sizes in column plate hole.CN1264606A discloses a kind of fill-type sieve plate tower, has adopted dismountable structured packing.CN1204543A discloses a kind of cross-flow tower tray, and its principal character is in the liquid-droping groove of conventional trays, installs and flow the bubble cap of injection mass transfer unit or vertical sieve tray, makes full use of whole column plate, makes liquid-droping groove also become vertical effective coverage.CN1294936A discloses a kind of convection type column plate, and its principal character is that column plate adopts the disc type float valve; The downspout bottom is provided with drenches liquid dish, dispersion impeller and one or more layers mesh plate, forms spray section.There is complex structure in above-mentioned gas-liquid contanct equipment, gas liquid contacting efficiency is low, operating flexibility is little and one or more deficiencies such as easy-to-leak liquid.
Summary of the invention
At the deficiencies in the prior art, the invention provides a kind of simple in structure, floor space is little, operating flexibility is big, no leakage, bubble tower that gas liquid contacting efficiency is high.
Bubble tower of the present invention comprises cylindrical shell, vapor distributor, the liquid phase distributor, downspout and at least one bubbling bed, vapor distributor is arranged on the cylindrical shell bottom, the liquid phase distributor is arranged on cylindrical shell top, the bubbling bed is arranged between vapor distributor and the vapor distributor, bubbling bed bottom is the tower tray assembly, the tower tray assembly comprises that bubbling bed column plate and distribution are arranged on the bubbling pulse valve on the bubbling bed column plate, bubbling pulse valve structure comprises that the bottom passes the logical tube of circle of bubbling bed column plate, steel ball and steel ball limited cap, circular logical tube top movable is placed sealed steel ball, the steel ball limited cap is arranged on the steel ball top, steel ball limited cap and steel ball top are provided with suitable space, steel ball can be free movable between circle logical tube upper end open and steel ball limited cap, the steel ball limited cap is fixedlyed connected with circular logical tube, offer sieve aperture on the steel ball limited cap, downspout is the logical barrel structure by bubbling bed column plate.
In the bubble tower of the present invention, below at least one bubbling bed spray section is set, is provided with and drenches the liquid dish, downspout imports the liquid on the bubbling bed and drenches the liquid dish, drenches the liquid dish liquid dispersion is contacted with the gas phase that upwards flows.The structure of drenching the liquid dish comprises drenches liquid column plate, cylindrical shape cofferdam and spatters the plate distributor, the cylindrical shape cofferdam distributes to be arranged on and drenches on the liquid column plate, the pouring liquid column plate of inside, cylindrical shape cofferdam is provided with opening, and the opening below is hung and spattered the plate distributor, and upper end, cylindrical shape cofferdam has the V-arrangement teeth groove.Spatter that the plate distributor spatters plate by at least one and pull bar constitutes, pull bar will spatter the plate distributor to be hung drenching liquid column plate bottom, spatters and offers sieve aperture on the plate.
The liquid level that downspout upper end open height need be controlled according to the bubbling bed determines that upper end open is offered the V-arrangement teeth groove, and the downspout lower end is provided with liquid seal trough.
The present invention is provided with some inner members according to gas-liquid mass transfer and reaction process characteristics, and during work, liquid phase enters into the liquid phase distributor that is arranged on cylindrical shell top by inlet, is sprayed onto bed; Gas phase enters into vapor distributor from the tower bottom import, is distributed in the tower.Downspout exceeds the column plate certain altitude, and liquid phase forms liquid layer on bubbling bed column plate; Several bubbling pulse valves have been installed on the bubbling bed column plate, form air chamber between bubbling bed column plate and pouring liquid column plate, open and close along with the bubbling pulse valve, this air chamber internal pressure generation rule fluctuation, gas phase forms pulsation stream, makes evenly and not coalescence of the bubble that generates in the liquid layer of gas phase on bubbling bed column plate; Gas-liquid two-phase is realized the bubbling contact at this, carries out mass transfer and reaction.From flowing to liquid seal trough, the cylindrical shell upper edge of liquid seal trough is higher than drenches the liquid column plate to liquid phase from downspout, and liquid phase is evenly distributed to drenches on the liquid column plate, drench cylindrical shape cofferdam and respective numbers be set on the liquid column plate spatter the plate distributor; Liquid phase stream is gone into the cofferdam and is dropped down onto in gravity effect tenesmus and spatter on the plate, forms splash stream, forms countercurrent spray with from bottom to top gas phase and contact realization mass transfer and reaction.So far finish the bubbling-spray contact process of a bed.Above-mentioned mass transfer structure (structure that realizes the structure of bubbling and realize spraying) is made the vertical multi-stage cascaded structure, and gas-liquid two-phase is realized bubbling-spray contact process repeatedly, and realization liquid phase and gas phase are finished top-down adverse current " bubbling-spray " haptoreaction.
Gas-liquid mass transfer (contact) equipment of the present invention is simple in structure, floor space is little, mass-transfer efficiency is high, operating flexibility is big, no leakage, device space utilization rate height, in same mass transfer apparatus with two kinds of gas-liquid way of contact combinations, gas liquid contacting efficiency height.Be applicable to gas-liquid mass transfer and reaction, can be widely used in refining oil, technical process such as the distillation in field such as chemical industry, environmental protection, absorption, washing, stripping, can be widely used in fields such as petrochemical industry and environmental protection.
Description of drawings
Fig. 1 is the installation diagram of a kind of concrete structure bubble tower of the present invention.
Fig. 2 is a bubbling bed tower tray modular construction schematic diagram.
Fig. 3 drenches liquid dish structural representation for the bubbling bed.
Fig. 4 spatters plate dispensing arrangement schematic diagram for what drench the liquid dish.
Wherein: 1 is the gas outlet, and 2 is the upper end end socket, and 3 is demister, 4 is the liquid phase distributor, and 5 is bubbling bed tower tray assembly, and 6 for drenching the liquid dish, 7 is liquid seal trough, and 8 is downspout, and 9 is cylindrical shell, 10 is vapor distributor, and 11 is air inlet, and 12 is low head, 13 is liquid outlet, 5-1 is a bubbling bed column plate, and 5-2 is the circular logical tube of bubbling pulse valve, and 5-3 is a steel ball, 5-4 is the steel ball limited cap, 6-1 is the cylindrical shape cofferdam, and 6-2 is for drenching the liquid column plate, and 6-3 is for spattering the plate distributor, 6-3-1 is a pull bar, 6-3-2 is that plate is spattered on top, and 6-3-3 is that plate is spattered in the centre, and 6-3-4 is that plate is spattered in the bottom.
The specific embodiment
In the bubble tower of the present invention, bubble tower top is provided with inlet and gas outlet, and the bottom is provided with air inlet and liquid outlet, and vapor distributor communicates with air inlet, and the liquid phase distributor communicates with inlet.The liquid phase distributor is made of ring pipe, adapter and flange; The ring pipe lower surface is offered some apertures.Vapor distributor is made of concetrated pipe, some arms and flange; The arm lower surface is offered some apertures.
Spatter the plate distributor and can be the multi-deck screen plate structure, several layers spatter plate from top to bottom its diameter successively decrease, and with pull bar several layers is spattered plate and links together.Liquid seal trough is made of cylindrical shell and circular bottom plate, and several V-type teeth groove are offered in the cylindrical shell upper edge of liquid seal trough.
Below in conjunction with accompanying drawing the present invention is further described.As shown in the figure, the sieve diameter of offering on the steel ball limited cap is Φ 1～Φ 5mm, and preferred diameter is Φ 3mm, percent opening 10%～50%.Downspout is tubular, and several V-type teeth groove are offered in the downspout upper edge, do not have changeover portion between teeth groove, 30 °～120 ° of teeth groove angles, preferred 60 °, tooth depth 3mm～20mm, preferred 10mm.Drench upper edge, liquid dish cylindrical shape cofferdam and offer several V-type teeth groove, do not have changeover portion between teeth groove, 30 °～120 ° of teeth groove angles, preferred 60 °, tooth depth 3mm～10mm, preferred 5mm.Spattering the plate distributor is the multi-deck screen plate structure, spatters to offer sieve aperture on the plate, and sieve diameter is Φ 5mm, percent opening 20%～50%.Several layers sieve plate its diameter from top to bottom successively decreases, and with pull bar several layers is spattered plate and link together.Liquid seal trough is made of cylindrical shell and circular bottom plate.Several V-type teeth groove are offered in the cylindrical shell upper edge of liquid seal trough, do not have changeover portion between teeth groove, 30 °～120 ° of teeth groove angles, preferred 60 °, tooth depth 3mm～20mm, preferred 10mm.Liquid seal trough is welded on and drenches on the liquid dish, and is higher than pouring liquid dish certain altitude, makes liquid seal trough top form the profile of tooth weir plate.
Bubbling bed and spray bed can be provided with plural serial stage, specifically determine according to the requirement of using.
Bubble tower of the present invention is when work, and liquid phase enters into the liquid phase distributor that is arranged on cylindrical shell top by inlet, and some apertures of offering from the ring pipe lower surface are sprayed onto bed; Gas phase enters into vapor distributor from the tower bottom import, offers being distributed in the tower of some apertures from concetrated pipe arm lower surface.Downspout exceeds bubbling bed column plate certain altitude, and liquid phase forms liquid layer on bubbling bed column plate, and several V-type teeth groove are offered in the downspout upper edge, and whole bed liquid phase is evenly flowed.Gas phase is passed and is spattered the plate distributor, enter the bubbling pulse valve, generate bubble at steel ball limited cap place, be distributed in the liquid layer on the bubbling bed column plate, because the steel ball limited cap is provided with sieve aperture, steel ball is in the unsettled air-flow, steel ball can continuously open and close, and gas phase forms pulsation stream, generates evenly on bubbling bed column plate and the bubble of coalescence not, gas-liquid two-phase is realized the bubbling contact at this, carries out mass transfer and reaction.When tolerance (pressure) reduced, pulse valve cut out automatically, provided time of gathering to gas phase, and when tolerance (pressure) reaches when numerical value is set, pulse valve is opened automatically, and therefore, exercisable scope is very wide.
From flowing to liquid seal trough, the cylindrical shell upper edge of liquid seal trough is higher than drenches the liquid dish to liquid phase from downspout, and the cylindrical shell upper edge offers several V-type teeth groove, and liquid phase is evenly distributed to drenches on the liquid dish.Liquid phase is evenly distributed to each and spatters on the plate distributor, and liquid phase drops down onto in gravity effect tenesmus spatters on the plate, forms splash stream, forms countercurrent spray with from bottom to top gas phase and contact realization mass transfer and reaction.Said structure organically is combined in bubbling and two kinds of gas-liquid contact mass transfer means of spray in the equipment, has made full use of the device space simultaneously, has improved the serviceability of equipment.
Claims (10)
1. bubble tower, comprise cylindrical shell, vapor distributor, the liquid phase distributor, downspout and at least one bubbling bed, vapor distributor is arranged on the cylindrical shell bottom, the liquid phase distributor is arranged on cylindrical shell top, the bubbling bed is arranged between vapor distributor and the vapor distributor, it is characterized in that: bubbling bed bottom is the tower tray assembly, the tower tray assembly comprises that bubbling bed column plate and distribution are arranged on the bubbling pulse valve on the bubbling bed column plate, bubbling pulse valve structure comprises that the bottom passes the logical tube of circle of bubbling bed column plate, steel ball and steel ball limited cap, circular logical tube top movable is placed sealed steel ball, the steel ball limited cap is arranged on the steel ball top, steel ball limited cap and steel ball top are provided with suitable space, the steel ball limited cap is fixedlyed connected with circular logical tube, offers sieve aperture on the steel ball limited cap, and downspout is the logical barrel structure by bubbling bed column plate.
2. according to the described bubble tower of claim 1, it is characterized in that: below at least one bubbling bed, spray section is set.
3. according to the described bubble tower of claim 2, it is characterized in that: described spray section is provided with drenches the liquid dish, and downspout imports the liquid on the bubbling bed and drenches the liquid dish, drenches the liquid dish with liquid dispersion.
4. according to the described bubble tower of claim 3, it is characterized in that: the structure of described pouring liquid dish comprises drenches liquid column plate, cylindrical shape cofferdam and spatters the plate distributor, the cylindrical shape cofferdam distributes to be arranged on and drenches on the liquid column plate, the pouring liquid column plate of inside, cylindrical shape cofferdam is provided with opening, and the opening below is hung and spattered the plate distributor.
5. according to the described bubble tower of claim 4, it is characterized in that: upper end, described cylindrical shape cofferdam has the V-arrangement teeth groove.
6. according to the described bubble tower of claim 4, it is characterized in that: described spatter the plate distributor by at least one spatter plate, and pull bar constitute, pull bar will spatter the plate distributor to be hung drenching liquid column plate bottom, spatters and offers sieve aperture on the plate.
7. according to the described bubble tower of claim 1, it is characterized in that: the liquid level that described downspout upper end open height need be controlled according to the bubbling bed determines that upper end open is offered the V-arrangement teeth groove, and the downspout lower end is provided with liquid seal trough.
8. according to the described bubble tower of claim 1, it is characterized in that: bubble tower top is provided with inlet and gas outlet, and the bottom is provided with air inlet and liquid outlet, and vapor distributor communicates with air inlet, and the liquid phase distributor communicates with inlet.
9. according to the described bubble tower of claim 4, it is characterized in that: the described plate distributor that spatters is the multi-deck screen plate structure, spatter plate from top to bottom its diameter successively decrease, and will spatter plate with pull bar and link together.
10. according to the described bubble tower of claim 7, it is characterized in that: liquid seal trough is made of cylindrical shell and circular bottom plate, and the V-type teeth groove is offered in the cylindrical shell upper edge of liquid seal trough.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102283550A CN101721826B (en) | 2008-10-28 | 2008-10-28 | Bubble tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102283550A CN101721826B (en) | 2008-10-28 | 2008-10-28 | Bubble tower |
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| Publication Number | Publication Date |
|---|---|
| CN101721826A true CN101721826A (en) | 2010-06-09 |
| CN101721826B CN101721826B (en) | 2011-10-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2008102283550A Active CN101721826B (en) | 2008-10-28 | 2008-10-28 | Bubble tower |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102151523A (en) * | 2011-03-14 | 2011-08-17 | 高玉玲 | Aromatization reactor |
| CN105597457A (en) * | 2016-03-11 | 2016-05-25 | 李志刚 | Floating ball type demister |
| CN105944513A (en) * | 2016-06-27 | 2016-09-21 | 黄晓峰 | Adaptive adjustable plate tower |
| CN106765065A (en) * | 2016-11-30 | 2017-05-31 | 东南大学 | A kind of burning device of circulating fluidized bed and combustion method based on tower bubbling reactor |
| CN107998909A (en) * | 2017-12-15 | 2018-05-08 | 中国石油大学(北京) | A kind of gas-liquid surge mixed method |
| CN108815874A (en) * | 2018-08-30 | 2018-11-16 | 安徽顺恒信新材料有限公司 | A kind of rectifying still self-flow device |
| CN111704532A (en) * | 2020-07-02 | 2020-09-25 | 中国天辰工程有限公司 | Method for removing acetaldehyde in 3-hydroxybutyraldehyde crude product |
| CN113350976A (en) * | 2021-06-07 | 2021-09-07 | 南京师范大学 | Tail gas treatment and recovery method |
| CN114653319A (en) * | 2022-03-31 | 2022-06-24 | 濮阳市联众兴业化工有限公司 | Device for producing pentane foaming agent and using method |
| CN114939332A (en) * | 2022-06-15 | 2022-08-26 | 浙江工业大学 | Method and device for removing coke by bubbling and spraying molten salt |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3860402A (en) * | 1971-04-02 | 1975-01-14 | Babcock & Wilcox Co | Absorption optimization |
| CN100528322C (en) * | 2007-01-29 | 2009-08-19 | 煤炭科学研究总院 | Multi-phase bubbling reactor |
| CN100518898C (en) * | 2007-08-14 | 2009-07-29 | 湖南大学 | Injecting, bubbling ,dust settling, desulfurating and absorbing tower with vertical screen deck |
-
2008
- 2008-10-28 CN CN2008102283550A patent/CN101721826B/en active Active
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102151523A (en) * | 2011-03-14 | 2011-08-17 | 高玉玲 | Aromatization reactor |
| CN102151523B (en) * | 2011-03-14 | 2013-06-19 | 高玉玲 | Aromatization reactor |
| CN105597457A (en) * | 2016-03-11 | 2016-05-25 | 李志刚 | Floating ball type demister |
| CN105944513B (en) * | 2016-06-27 | 2018-06-12 | 黄晓峰 | Adaptive adjustable type plate column |
| CN105944513A (en) * | 2016-06-27 | 2016-09-21 | 黄晓峰 | Adaptive adjustable plate tower |
| CN106765065A (en) * | 2016-11-30 | 2017-05-31 | 东南大学 | A kind of burning device of circulating fluidized bed and combustion method based on tower bubbling reactor |
| CN107998909A (en) * | 2017-12-15 | 2018-05-08 | 中国石油大学(北京) | A kind of gas-liquid surge mixed method |
| CN108815874A (en) * | 2018-08-30 | 2018-11-16 | 安徽顺恒信新材料有限公司 | A kind of rectifying still self-flow device |
| CN111704532A (en) * | 2020-07-02 | 2020-09-25 | 中国天辰工程有限公司 | Method for removing acetaldehyde in 3-hydroxybutyraldehyde crude product |
| CN113350976A (en) * | 2021-06-07 | 2021-09-07 | 南京师范大学 | Tail gas treatment and recovery method |
| CN114653319A (en) * | 2022-03-31 | 2022-06-24 | 濮阳市联众兴业化工有限公司 | Device for producing pentane foaming agent and using method |
| CN114653319B (en) * | 2022-03-31 | 2023-12-22 | 濮阳市联众兴业化工有限公司 | Device for producing pentane foaming agent and use method |
| CN114939332A (en) * | 2022-06-15 | 2022-08-26 | 浙江工业大学 | Method and device for removing coke by bubbling and spraying molten salt |
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| Publication number | Publication date |
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| CN101721826B (en) | 2011-10-12 |
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