CN201529409U - Gas-liquid mass transfer device - Google Patents
Gas-liquid mass transfer device Download PDFInfo
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- CN201529409U CN201529409U CN 200920247552 CN200920247552U CN201529409U CN 201529409 U CN201529409 U CN 201529409U CN 200920247552 CN200920247552 CN 200920247552 CN 200920247552 U CN200920247552 U CN 200920247552U CN 201529409 U CN201529409 U CN 201529409U
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Abstract
The utility model discloses a gas-liquid mass transfer device which comprises a cylinder body, a gas-phase distributor, a demister, a baffle plate, a downcomer, a liquid-phase distributor, a liquid-phase inlet and a liquid-phase outlet, wherein at least one baffle plate is provided, and can divide the cylinder body into independent reaction bed layers, the upper portion of the each reaction bed layer is provided with the gas-phase distributor, the downcomer is arranged between the reaction bed layer on the upper portion of the baffle plate and the reaction bed layer on the lower portion of the baffle plate, the gas-phase distributor of the reaction bed layer on the upper portion of the baffle plate penetrates through the guide pipe of the baffle plate, the liquid-phase inlet is arranged on the upper portion of the cylinder body, and the liquid-phase outlet is arranged on the lower portion of the cylinder. The gas-liquid mass transfer device has simple structure, small occupied area, high mass transfer efficiency, large operation elasticity and non leakage, is applicable to gas-liquid mass transfer and reaction, and can be applied in the fields of petroleum chemistry, environment protection and the like.
Description
Technical field
The utility model relates to a kind of process tail gas absorption tower, belongs to gas-liquid mass transfer (contact) equipment, can be widely used in the technical process such as 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 (contact) equipment one plate column, and column plate is a cambered plate, and cambered plate is provided with the zigzag upper edge, and liquid is the liquid tentiform and flows along bladed saw profile of tooth upper edge, 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 utility model provide a kind of simple in structure, floor space is little, operating flexibility is big, no leakage, gas-liquid mass transfer (contact) equipment that gas liquid contacting efficiency is high.
Gas-liquid mass transfer (contact) equipment of the present utility model comprises cylindrical shell, gas phase distributor, demister, dividing plate, downspout, liquid phase distributor, liquid phase inlet and liquid phase outlet.Dividing plate is provided with one at least, dividing plate is isolated into independently reaction bed with cylindrical shell, each reaction bed top is provided with the gas phase distributor, between the reaction bed on dividing plate top and the lower partition reaction bed downspout is set, the gas phase distributor of dividing plate top reaction zone bed is provided with the wireway by dividing plate, the liquid phase inlet is arranged on cylindrical shell top, and the liquid phase outlet is arranged on the cylindrical shell bottom.
In the gas-liquid mass transfer (contact) equipment of the present utility model, on cylindrical shell top aiutage is set, the aiutage top can be provided with rain cap.
In the gas-liquid mass transfer (contact) equipment of the present utility model, the gas phase distributor comprises the person in charge, arm and tubulation, and arm is arranged on the person in charge, and tubulation is vertically set on the arm, and tubulation upper end and branched pipe are communicated with, and some lines of rabbet joint are offered in the tubulation lower end.The gas phase distributor that is provided with in the orlop reaction bed is responsible for and is communicated with air inlet.
In the gas-liquid mass transfer (contact) equipment of the present utility model, adopt two sections bubbling beds at least, and be arranged in series; Dividing plate is divided into two sections or multistage with cylindrical shell, is tightly connected between dividing plate and cylindrical shell, and dividing plate is offered drain hole, is used for liquid in the emptying reaction bed; Gas phase distributor branch pipes total sectional area, tubulation total sectional area are with to be responsible for sectional area identical; Downspout is parallel with gas phase distributor tubulation, and upper port, lower port have the V-arrangement teeth groove, and hypomere reaction bed bottom is inserted in the bottom.
In the gas-liquid mass transfer (contact) equipment of the present utility model, demister is columnar structured, urceolus that the cylindrical shape demister is provided with and the filler between inner core and urceolus and the inner core, and the inner core center can be provided with sluicing pipe.Particularly, the cylindrical shape demister is made of urceolus, inner core, filler, cover plate, tower tray and sluicing pipe, and urceolus and inner core adopt structures such as screen cloth, Johnson's net or orifice plate; Filler is θ ring, rectangular saddle ring and porous ball; Cover plate is connected with the inner core upper end with urceolus, seal weld between tower tray outer and cylindrical shell, and along being connected with the inner core lower end with urceolus, sluicing pipe is made of adapter and nozzle, is arranged on the inner core center in the tower tray.
The utility model is provided with at least two group bubbling assemblies according to gas-liquid mass transfer and reaction process characteristics, as two groups or three groups of bubbling assemblies, becomes cascaded structure.During work, liquid phase enters reactor top by the cleaning solution inlet through liquid phase distributor, inject cleaning solution to the B section, after reaching liquid level, cleaning solution enters the mouth overflow to the reactor A section through downspout, in the reactor A section liquid level gauge or inverted U-shaped overflow pipe are set, the level stability of realization response device A section, the pH value by the liquid phase exit during work is controlled the liquid phase feeding flow.
Gas phase enters the gas phase distributor by the gas phase inlet, and forms tiny bubble, evenly spreads in the reactor reaction bed, realizes one time gas-liquid mass transfer.Gas phase is assembled at reactor the lower partition, riser through epimere gas phase distributor is transported to reactor epimere reaction zone bed, transmission, the distribution of the person in charge, arm and tubulation by epimere reaction zone gas phase distributor, form tiny bubble at the tubulation afterbody, evenly spread in the reactor epimere reaction bed, realize the secondary gas-liquid mass transfer.
Gas phase after the purification rises to the cylindrical shape demister that is arranged on cylindrical shell top, pass filling batch from cylindrical shape demister inside with horizontal fluidised form, fine drop is adhered on filler, is assembled, and drop to the cylindrical shell bottom, realize gas-liquid separation, the aiutage that gas phase after the demist rises, is arranged on certainly the top drains into atmosphere, so far finishes whole operation.
Gas-liquid mass transfer (contact) equipment of the present utility model 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 of the utility model.
Fig. 2 is a hypomere gas phase structure of distributor schematic diagram.
Fig. 3 is that the person in charge, arm, the tubulation of hypomere gas phase distributor arranged schematic diagram.
Fig. 4 is a tubulation lower end notching construction schematic diagram.
Fig. 5 is tubulation lower end fluting horizontal interface distribution schematic diagram.
Fig. 6 is an epimere gas phase structure of distributor schematic diagram.
Fig. 7 is that the person in charge, arm, the tubulation of epimere gas phase distributor arranged schematic diagram.
Fig. 7 is a cylindrical shape demister structural representation.
Wherein: 1, rain cap, 2, aiutage, 3, the cylindrical shape demister, 4, epimere gas phase distributor, 5, dividing plate, 6, hypomere gas phase distributor, 7, cylindrical shell, 8, flat-plate closure, 9, downspout, 10, liquid phase distributor, 11, hypomere gas phase distributor is responsible for, and 12, hypomere gas phase distributor branch pipes, 13, hypomere gas phase distributor tubulation, 14, epimere gas phase distributor tubulation, 15, epimere gas phase distributor branch pipes, 16, epimere gas phase distributor is responsible for, 17, riser, 18, cover plate, 19, urceolus, 20, inner core, 21, nozzle, 22, sluicing pipe, 23, filler, 24, tower tray.01, liquid phase inlet, 02, the gas phase inlet, 03, downcomer outlet port, 04, the liquid phase outlet, 05, the riser inlet, 06, the downspout inlet, 07, the liquid phase inlet.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is further described.As shown in Figure 1, gas-liquid mass transfer (contact) equipment of the present utility model is by cylindrical shell 7, hypomere gas phase distributor 6, epimere gas phase distributor 4, cylindrical shape demister 3, rain cap 1, aiutage 2, dividing plate 5, flat-plate closure 8, downspout 9, liquid phase distributor 10 parts such as grade constitute, equipment is provided with liquid phase inlet 01, gas phase inlet 02, liquid phase outlet 04 and aiutage.
Gas-liquid mass transfer (contact) equipment of the present utility model is provided with dividing plate 5, offers drain hole on the dividing plate, its diameter ∮ 1～∮ 10 (mm), preferential ∮ 2～∮ 5 (mm).7 employings of dividing plate and cylindrical shell are tightly connected, and cylindrical shell is divided into two sections, and epimere gas phase distributor 4, hypomere gas phase distributor 6 are separately positioned in the two sections reaction bed.Following gas phase distributor 6 structures comprise the gas phase input person in charge 11, arm 12 and tubulation 13, epimere gas phase distributor 4 is made of riser 17, the person in charge 16, branched pipe 15 and tubulation 14, the branched pipe total sectional area of two kinds of gas phase distributors, tubulation total sectional area are with to be responsible for sectional area identical, tubulation upper end and branched pipe are tightly connected, some lines of rabbet joint are offered in the lower end, slot width 1mm～5mm, preferential 2mm～3mm, line of rabbet joint height 5mm～30mm, line of rabbet joint total sectional area is identical with the tubulation sectional area.Downspout 9 is parallel with the tubulation of gas phase distributor; And be tightly connected between dividing plate; Downspout upper port, lower port have the V-arrangement teeth groove, tooth depth 10～50mm, 30 °～120 ° of profile of tooth angles; The cylindrical shell bottom is inserted in the downspout bottom, and the height of anomaly plate end socket is 0.5～1.5 times a pipe diameter.
On epimere reaction bed top cylindrical shape demister 3 is set, cylindrical shape demister 3 is made of urceolus 19, inner core 20, filler 23, cover plate 18, tower tray 24, nozzle 21 and sluicing pipe 22.The urceolus of cylindrical shape demister and inner core adopt screen cloth, Johnson's net or orifice plate; Filler is θ ring, rectangular saddle ring and porous ball; Cover plate is connected with the inner core upper end with urceolus, seal weld between tower tray outer and cylindrical shell, and along being connected with the inner core lower end with urceolus, sluicing pipe is made of adapter and nozzle, is arranged on the inner core center in the tower tray.
The mass transfer bed can be provided with plural serial stage, specifically determines according to the requirement of using.
Gas-liquid mass transfer (contact) equipment of the present utility model is when work, liquid phase enters reactor top bed by the liquid phase inlet through liquid phase distributor, inject cleaning solution to epimere, after reaching liquid level, cleaning solution enters the mouth overflow to the reactor hypomere through downspout, at the reactor epimere liquid level gauge or inverted U-shaped overflow pipe are set, the level stability of realization response device epimere, by the pH value control liquid phase feeding flow in liquid phase exit, the concentration by the liquid phase exit when being used to absorb is controlled the liquid phase feeding flow when being used for flue gas desulfurization.
Gas phase enters hypomere gas phase distributor by the gas phase inlet during work, transmission, the distribution of the person in charge, arm and tubulation by hypomere gas phase distributor, form tiny bubble at the tubulation afterbody, evenly spread in the reactor epimere reaction bed, realize one time gas-liquid mass transfer.Gas phase is assembled at reactor hypomere reaction zone top, riser through epimere gas phase distributor is transported to the reactor epimere, transmission, the distribution of the person in charge, arm and tubulation by epimere gas phase distributor, form tiny bubble at the tubulation afterbody, evenly spread in the reactor epimere reaction bed, realize the secondary gas-liquid mass transfer.
Gas phase after the purification rises to the cylindrical shape demister that is arranged on cylindrical shell top, pass filling batch from cylindrical shape demister inside with horizontal fluidised form, fine drop is adhered on filler, is assembled, and drop to the cylindrical shell bottom, realize gas-liquid separation, the aiutage that gas phase after the demist rises, is arranged on certainly the top drains into atmosphere, so far finishes whole operation.
Claims (9)
1. a gas-liquid mass transfer (contact) equipment is characterized in that comprising cylindrical shell, gas phase distributor, demister, dividing plate, downspout, liquid phase distributor, liquid phase inlet and liquid phase outlet; Dividing plate is provided with one at least, dividing plate is isolated into independently reaction bed with cylindrical shell, each reaction bed top is provided with the gas phase distributor, between the reaction bed on dividing plate top and the lower partition reaction bed downspout is set, the gas phase distributor of dividing plate top reaction zone bed is provided with the wireway by dividing plate, the liquid phase inlet is arranged on cylindrical shell top, and the liquid phase outlet is arranged on the cylindrical shell bottom.
2. according to the described gas-liquid mass transfer (contact) equipment of claim 1, it is characterized in that: on cylindrical shell top aiutage is set, the aiutage top is provided with rain cap.
3. according to the described gas-liquid mass transfer (contact) equipment of claim 1, it is characterized in that: the gas phase distributor comprises the person in charge, arm and tubulation, and arm is arranged on the person in charge, and tubulation is vertically set on the arm, and tubulation upper end and branched pipe are communicated with, and some lines of rabbet joint are offered in the tubulation lower end.
4. according to the described gas-liquid mass transfer (contact) equipment of claim 3, it is characterized in that: the gas phase distributor that is provided with in the orlop reaction bed is responsible for and is communicated with air inlet.
5. according to the described gas-liquid mass transfer (contact) equipment of claim 1, it is characterized in that: be tightly connected between dividing plate and cylindrical shell, dividing plate is offered drain hole.
6. according to the described gas-liquid mass transfer (contact) equipment of claim 1, it is characterized in that: gas phase distributor branch pipes total sectional area, tubulation total sectional area are with to be responsible for sectional area identical.
7. according to the described gas-liquid mass transfer (contact) equipment of claim 1, it is characterized in that: downspout is parallel with gas phase distributor tubulation, and downspout upper port, lower port have the V-arrangement teeth groove, and hypomere reaction bed bottom is inserted in the downspout bottom.
8. according to the described gas-liquid mass transfer (contact) equipment of claim 1, it is characterized in that: demister is columnar structured, and the cylindrical shape demister is provided with the filler between urceolus and inner core and urceolus and the inner core, and the inner core center is provided with sluicing pipe.
9. according to the described gas-liquid mass transfer (contact) equipment of claim 8, it is characterized in that: the cylindrical shape demister is made of urceolus, inner core, filler, cover plate, tower tray and sluicing pipe, and urceolus and inner core adopt structures such as screen cloth, Johnson's net or orifice plate; Filler is θ ring, rectangular saddle ring and porous ball; Cover plate is connected with the inner core upper end with urceolus, seal weld between tower tray outer and cylindrical shell, and along being connected with the inner core lower end with urceolus, sluicing pipe is made of adapter and nozzle, is arranged on the inner core center in the tower tray.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200920247552 CN201529409U (en) | 2009-10-27 | 2009-10-27 | Gas-liquid mass transfer device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200920247552 CN201529409U (en) | 2009-10-27 | 2009-10-27 | Gas-liquid mass transfer device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201529409U true CN201529409U (en) | 2010-07-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200920247552 Expired - Lifetime CN201529409U (en) | 2009-10-27 | 2009-10-27 | Gas-liquid mass transfer device |
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| CN (1) | CN201529409U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102166427A (en) * | 2011-02-15 | 2011-08-31 | 开封空分集团有限公司 | Packing column gas distribution cylinder |
| CN103848406A (en) * | 2012-11-30 | 2014-06-11 | 帝斯曼知识产权资产管理有限公司 | Method for continuously separating water-based hydroxylammonium salt by use of demister |
| CN105381689A (en) * | 2015-12-18 | 2016-03-09 | 湖南科技大学 | String ball filler and vertical annular demisting desulfurization absorption tower |
| CN106730969A (en) * | 2017-03-22 | 2017-05-31 | 中国石油大学(华东) | One kind rotation fraction gas-liquid mixed phase feed distributor |
| CN109248556A (en) * | 2018-11-16 | 2019-01-22 | 李东东 | Equipment for treating industrial waste gas |
| CN113350976A (en) * | 2021-06-07 | 2021-09-07 | 南京师范大学 | Tail gas treatment and recovery method |
| CN114653320A (en) * | 2022-03-31 | 2022-06-24 | 华融化学股份有限公司 | Gas-liquid distribution structure for tubular reactor and tubular reactor |
-
2009
- 2009-10-27 CN CN 200920247552 patent/CN201529409U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102166427A (en) * | 2011-02-15 | 2011-08-31 | 开封空分集团有限公司 | Packing column gas distribution cylinder |
| CN103848406A (en) * | 2012-11-30 | 2014-06-11 | 帝斯曼知识产权资产管理有限公司 | Method for continuously separating water-based hydroxylammonium salt by use of demister |
| CN105381689A (en) * | 2015-12-18 | 2016-03-09 | 湖南科技大学 | String ball filler and vertical annular demisting desulfurization absorption tower |
| CN106730969A (en) * | 2017-03-22 | 2017-05-31 | 中国石油大学(华东) | One kind rotation fraction gas-liquid mixed phase feed distributor |
| CN106730969B (en) * | 2017-03-22 | 2024-03-12 | 中国石油大学(华东) | Rotary separation type gas-liquid mixed phase feeding distributor |
| CN109248556A (en) * | 2018-11-16 | 2019-01-22 | 李东东 | Equipment for treating industrial waste gas |
| CN113350976A (en) * | 2021-06-07 | 2021-09-07 | 南京师范大学 | Tail gas treatment and recovery method |
| CN114653320A (en) * | 2022-03-31 | 2022-06-24 | 华融化学股份有限公司 | Gas-liquid distribution structure for tubular reactor and tubular reactor |
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Legal Events
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100721 |
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| CX01 | Expiry of patent term |