CN102784489B - Gas-liquid mass transfer structure of tower tray of floating valve tower - Google Patents
Gas-liquid mass transfer structure of tower tray of floating valve tower Download PDFInfo
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- CN102784489B CN102784489B CN201210224590.7A CN201210224590A CN102784489B CN 102784489 B CN102784489 B CN 102784489B CN 201210224590 A CN201210224590 A CN 201210224590A CN 102784489 B CN102784489 B CN 102784489B
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Abstract
A gas-liquid mass transfer structure of a tower tray of a floating valve tower relates to a floating valve tower. A tower tray (33) comprises a floating valve plate and floating valves (14), wherein the front and the rear sides of the floating valve plate are connected with the inner wall of a housing (5), the floating valve plate is uniformly provided with a plurality of floating valves (14), the end part of one side of the floating valve plate is provided with a filter tank (15), the end part of the other side of the floating valve plate is connected with the upper part of one side of an overflow plate (13), and the other side of the overflow plate and the inner wall of the housing (5) have a space therebetween. The overflow plate of the previous layer of the tower tray locates at the filter tank of the next layer of the tower tray. According to the invention, by inserting the lower end of the overflow plate into the filter tank, entrainment and impurity at the upper part of a material liquid are left in the filter tank, thereby facilitating cleaning up of regular maintenance, and by providing a gas balanced distribution mechanism on the inner wall of an annular cylinder, rising gas is enabled to flow evenly, thereby preventing problems of reduced heat and mass transfer areas caused by uneven flow directions of the gas.
Description
[technical field]
The present invention relates to a kind of valve tower, especially relate in the industrial production of a kind of oil refining, chemical industry, light industry and medicine, gas, liquid or liquid, liquid two-phase directly contact the valve tower that carries out mass-and heat-transfer process, specifically refer to a kind of column plate gas-liquid mass transfer gas equiblibrium mass distribution and fluid purification structure of valve tower.
[background technology]
Board-like valve tower be a class for the classification contact mass transfer equipment of gas-liquid or liquid liquid system, by cylindrical-shaped tower and at a certain distance the some column plates of horizontal device in tower form.Be widely used in rectifying and absorption, some type " as sieve-plate tower " also, for extraction, also can be used as reactor for liquid phase course of reaction.During operation, " take gas-liquid systems as example ", liquid, under Action of Gravity Field, flows through each layer of column plate from top to bottom successively, at the bottom of tower, discharges; Gas, under pressure differential promotes, from bottom to top successively through each layer of column plate, is discharged to tower top.The liquid layer that is keeping certain depth on every block of column plate, gas is distributed in liquid layer and is gone by column plate, carries out phase border contact mass transfer.
In the industrial production such as oil refining, chemical industry, light industry and medicine, the process that mass-and heat-transfer is carried out in gas, liquid or liquid, the direct contact of liquid two-phase is a lot, and as rectifying, absorption, extraction etc., these processes are all to complete in certain equipment.Due to the mutual main generation of process medium is the transmission of quality, so also by the equipment of realizing these processes mass transfer apparatus, these equipment are all the cylindrical vessels of vertically installing from the appearance, ratio of height to diameter is larger, shape is as " tower ", therefore be called traditionally valve tower or tower.
Valve tower is that gas, liquid or liquid, liquid two-phase are carried out fully contact and created good condition, makes two-phase have the area of enough times of contact, separated space and mass-and heat-transfer, thereby reaches the object that between phase border, quality and heat are transmitted, and realizes technological requirement.So the performance of tower has great impact to aspects such as the product quality of whole device, production capacity, the norm quota of consumption and environmental protection.
By reference to the accompanying drawings shown in 1, skirt (10) is fixed on the ground, in skirt (10) one sides, the outlet of still liquid (11), inspection opening (12) are set, skirt (10) top is valve tower housing (5), gas vent (2) is set in valve tower upper end, when gas vent (2) top is installation and repairing, transport the davit (1) of tower internals, valve tower housing (5) top arranges phegma entrance (3), the rectifying section tower tray (4) of certain altitude is set in the valve tower housing (5) of next-door neighbour phegma entrance (3) bottom, stripping section tower tray (8) " is also named: packing layer ", described rectifying section tower tray (4), stripping section tower tray (8) is platy structure, in rectifying section tower tray (4), stripping section tower tray is uniformly distributed some apertures on (8), on aperture, install and can be subject to the up float valve of air-flow, in rectifying section tower tray (4), stripping section tower tray (8) locates to be also provided with manufacture, installation and repairing is safeguarded set manhole (7), feed liquid is film-form from the liquor inlet (6) of tower body along filling surface and flows downward, gas is continuous phase by valve tower housing (5) lower gas entrance (9) and flows from bottom to top, liquid phase counter current contacting is also carried out mass transport process.The component of gas phase and liquid phase is continuous variation along tower height.
As from the foregoing, the tower tray of existing valve tower arranges in the dirty process of feed liquid, and feed liquid self is mixed is with some impurity, and namely feed liquid top exists mist, and bottom exists impurity to remove, and impurity also affects the normal up plug of even seeing of float valve sometimes.
[summary of the invention]
For in order to overcome the deficiency in background technology, the column plate gas-liquid mass transfer structure that the object of this invention is to provide a kind of valve tower, by overflow plate lower end, be set to insert in lautertuns, make mist and the impurity on feed liquid top stay lautertuns, removing while facilitating periodic maintenance, on circular cylinder inwall, be provided with gas equiblibrium mass distribution mechanism and can make the gas flow equilibrium of rising, avoided the area reducing problem of the irregular mass-and heat-transfer causing of flowing to of gas.
The technical solution adopted for the present invention to solve the technical problems is:
A column plate gas-liquid mass transfer structure for valve tower, comprises housing, rectifying section tower tray and stripping section tower tray, at rectifying section tower tray and the stripping section tower tray place of housing, from top to bottom interlocks and is provided with a plurality of tower trays; At described tower tray, comprise valve tray and float valve, the both sides, front and back of valve tray are connected with inner walls, on valve tray, be evenly distributed with a plurality of float valves, one side end of valve tray is provided with lautertuns, the end side of valve tray is connected with one side, the top of overflow plate, between the opposite side of overflow plate and inner walls, leaves spacing; In the described lautertuns of the described overflow plate of last layer tower tray in lower one deck tower tray.
The column plate gas-liquid mass transfer structure of described valve tower, the lautertuns of one side end of described valve tray, a side end at valve tray is provided with downward side plate, between described side plate lower end and housing one side, is provided with base plate, and lautertuns is formed at the base plate top between described side plate, inner walls.
The column plate gas-liquid mass transfer structure of described valve tower, described float valve comprises plate body, circular cylinder, in circular cylinder upper end, connect the bottom surfaces of plate body, in the lower end of circular cylinder, be provided with the claw of at least three outside bendings, the outer rim of described plate body is provided with downward lower hem, on the barrel of circular cylinder, be provided with a plurality of openings, the inwall of described circular cylinder is provided with gas equiblibrium mass distribution mechanism; Described plate body is provided with tongue hole, and hole wall one side in described tongue hole connects one end of perk plate, and the hole wall opposite side top of the other end of perk plate in tongue hole, is also provided with at least one sieve aperture on plate body.
The column plate gas-liquid mass transfer structure of described valve tower, gas equiblibrium mass distribution mechanism on circular cylinder inwall is: on annular canister body wall, be provided with plurality of openings, wherein one side in the mouth wall four sides of described opening connects arc sheet one end, the air-flow distribution cavity middle part that the described arc sheet other end forms in circular cylinder.
The column plate gas-liquid mass transfer structure of described valve tower, gas equiblibrium mass distribution mechanism on circular cylinder inwall is: on annular canister body wall, be provided with plurality of openings, wherein two sides in the mouth wall four sides of described opening connects respectively one end of two arc sheets, and the arc sheet of described two adjacent apertures is " C " shape and distributes in air-flow distribution cavity.
The column plate gas-liquid mass transfer structure of described valve tower, gas equiblibrium mass distribution mechanism on circular cylinder inwall is: on annular canister body wall, be provided with plurality of openings, foreign aid's face of radial plate body is connected with the inwall of circular cylinder, by radial plate body, is divided into a plurality of air-flow distribution cavities in circular cylinder.
The column plate gas-liquid mass transfer structure of described valve tower, described radial plate body consists of polylith strip plank, one end of polylith strip plank connects, and the other end of polylith strip plank is radial distribution, and the polylith strip plank outer end of radial distribution is connected on the inwall of circular cylinder.
The column plate gas-liquid mass transfer structure of described valve tower, the middle part of polylith strip plank is provided with annular solid, foreign aid's face at one end of polylith strip plank connecting ring body, the other end of polylith strip plank is radial distribution, and the polylith strip plank outer end of radial distribution is connected on the inwall of circular cylinder.
Owing to having adopted technique scheme, the invention has the beneficial effects as follows;
The column plate gas-liquid mass transfer structure of valve tower of the present invention, by overflow plate lower end, be set to insert in lautertuns, make the mist along the feed liquid top that flows downward in overflow plate outside, and the impurity in feed liquid is stayed lautertuns, avoided impurity to stop up float valve, make float valve activity comparatively smooth and easy, impurity can be removed when periodic maintenance; On circular cylinder inwall, being provided with gas equiblibrium mass distribution mechanism can make the gas uniform rising disperse, flow to also comparatively balanced, avoided the area reducing problem of the irregular mass-and heat-transfer causing of flowing to of gas, obtained gas, liquid or liquid, liquid two-phase directly contact carry out the stable of mass-and heat-transfer process; The present invention has gas, liquid two contacts fully, and mass transfer area is large, so tray efficiency is high; Operating flexibility of the present invention is large, when load change is larger, still can keep higher efficiency; The present invention has higher production capacity, is applicable to large-scale production; Be difficult for stopping up, medium is applied widely.
[accompanying drawing explanation]
Fig. 1 is the structural representation of existing valve tower;
Fig. 2 is structural representation of the present invention;
Fig. 3 is used mass-transfer progress schematic diagram of the present invention;
Fig. 4 is float valve perspective view of the present invention;
Fig. 5 is the plate body perspective view of float valve of the present invention;
Fig. 6 is gas equiblibrium mass distribution mechanism the first example structure schematic diagram in circular cylinder of the present invention;
Fig. 7 is gas equiblibrium mass distribution mechanism the second example structure schematic diagram in circular cylinder of the present invention;
Fig. 8 is gas equiblibrium mass distribution mechanism the 3rd example structure schematic diagram in circular cylinder of the present invention;
Fig. 9 is gas equiblibrium mass distribution mechanism the 4th example structure schematic diagram in circular cylinder of the present invention;
Figure 10 is gas equiblibrium mass distribution mechanism the 5th example structure schematic diagram in circular cylinder of the present invention;
In the drawings: 1, davit; 2, gas vent; 3, phegma entrance; 4, rectifying section tower tray; 5, housing; 6, liquor inlet; 7, manhole; 8, stripping section tower tray; 9, gas access; 10, skirt; 11, still liquid outlet; 12, inspection opening; 13, overflow plate; 14, float valve; 15, lautertuns; 16, side plate; 17, base plate; 18, uprising gas; 19, overflowing liquid; 20, feed liquid; 21, perk plate; 22, tongue hole; 23, sieve aperture; 24, plate body; 25, lower hem; 26, arc sheet; 27, circular cylinder; 28, claw; 29, opening; 30, air-flow distribution cavity; 31, radial plate body; 32, annular solid; 33, tower tray.
[specific embodiment]
Can more detailed explanation the present invention by the following examples, the present invention is not limited to the combination of embodiment below;
Disclose object of the present invention and be intended to protect all changes and improvements in the scope of the invention, comprise the version that is equal to replacement;
Column plate gas-liquid mass transfer structure at the valve tower described in Fig. 2 or 3,4,5,6,7,8,9,10, comprise housing 5, rectifying section tower tray 4 and stripping section tower tray 8, at rectifying section tower tray 4 and stripping section tower tray 8 places of housing 5, from top to bottom interlock and be provided with a plurality of tower trays 33; At described tower tray 33, comprise valve tray and float valve 14, the both sides, front and back of valve tray are connected with housing 5 inwalls, on valve tray, be evenly distributed with a plurality of float valves 14, one side end of valve tray is provided with lautertuns 15, the end side of valve tray is connected with one side, top of overflow plate 13, between the opposite side of overflow plate 13 and housing 5 inwalls, leaves spacing; In the described lautertuns 15 of the described overflow plate 13 of last layer tower tray 33 in lower one deck tower tray 33.
Further, the lautertuns 15 of one side end of described valve tray, a side end at valve tray is provided with downward side plate 16, between described side plate 16 lower ends and housing 5 one sides, is provided with base plate 17, and lautertuns 15 is formed at base plate 17 tops between described side plate 16, housing 5 inwalls.
Float valve described in 4～10 comprises plate body 24, circular cylinder 27 by reference to the accompanying drawings, the bottom surfaces that connects plate body 24 in circular cylinder 27 upper ends, in the lower end of circular cylinder 27, be provided with the claw 28 of at least three outside bendings, the outer rim of described plate body 24 is provided with downward lower hem 25, on the barrel of circular cylinder 27, be provided with a plurality of openings 29, the inwall of described circular cylinder 27 is provided with gas equiblibrium mass distribution mechanism; Described plate body 24 is provided with tongue hole 22, and hole wall one side in described tongue hole 22 connects one end of perk plate 21, and the hole wall opposite side top of the other end of perk plate 21 in tongue hole 22, is also provided with at least one sieve aperture 23 on plate body 24.
Wherein in Fig. 4 or 6, provided a kind of gas equiblibrium mass distribution mechanism, gas equiblibrium mass distribution mechanism on circular cylinder 27 inwalls is: on circular cylinder 27 walls, be provided with plurality of openings 29, wherein one side in the mouth wall four sides of described opening 29 connects arc sheet 26 one end, and described arc sheet 26 other ends are towards air-flow distribution cavity 30 middle parts of circular cylinder 27 interior formation.
7 the present invention have provided the replacing structure of another gas equiblibrium mass distribution mechanism by reference to the accompanying drawings, gas equiblibrium mass distribution mechanism on circular cylinder 27 inwalls is: on circular cylinder 27 walls, be provided with plurality of openings 29, wherein two sides in the mouth wall four sides of described opening 29 connects respectively one end of two arc sheets 26, and the arc sheet 26 of described two adjacent apertures 29 is " C " shape and distributes in air-flow distribution cavity 30.
8 and 9 the present invention have provided the replacing structure of gas equiblibrium mass distribution mechanism in the 3rd, the 4th by reference to the accompanying drawings, gas equiblibrium mass distribution mechanism on circular cylinder 27 inwalls is: on circular cylinder 27 walls, be provided with plurality of openings 29, foreign aid's face of radial plate body 31 is connected with the inwall of circular cylinder 27, by radial plate body 31, is divided into a plurality of air-flow distribution cavities 30 in circular cylinder 27; Described radial plate body 31 consists of polylith strip plank, and one end of polylith strip plank connects, and the other end of polylith strip plank is radial distribution, and the polylith strip plank outer end of radial distribution is connected on the inwall of circular cylinder 27.
10 the present invention have provided the replacing structure of the 5th gas equiblibrium mass distribution mechanism by reference to the accompanying drawings, the column plate gas-liquid mass transfer structure of described valve tower, the middle part of polylith strip plank is provided with annular solid 32, foreign aid's face at one end of polylith strip plank connecting ring body 32, the other end of polylith strip plank is radial distribution, and the polylith strip plank outer end of radial distribution is connected on the inwall of circular cylinder 27.
The column plate gas-liquid mass transfer structure of implementing valve tower of the present invention " it should be noted that: except mass-transfer progress, be prior art, therefore elaboration is exceeded in the present invention ", the feed liquid 20 that is entered housing 5 by liquor inlet 6 flows into tower tray 33 from top to bottom successively, when the feed liquid 20 flowing into is when last layer tower tray 33 highly surpasses overflow plate 13 upper end, the feed liquid 20 exceeding just can become overflowing liquid 19, the interval of described overflowing liquid 19 between overflow plate 13 upper ends and housing 5 flows into downwards in the lautertuns 15 of lower one deck tower tray 33 1 sides, because overflow plate of the present invention 13 lower ends are in lautertuns 15, so mist along overflowing liquid 19 tops that flow downward in overflow plate 13 outsides, and the impurity in feed liquid 20 is stayed in lautertuns 15 deposition " because fouling easily appears in mass transport process, coking, so coking is just stayed in lautertuns 15, because dirt and the burnt flexibility that can hinder float valve to rise and fall ", in said process, by housing 5 lower gas outlet 2 gases that enter, just started to rise, uprising gas 18 is up by the float valve arranging on the hole distributing on tower tray 33, during float valve, uprising gas 18 is distributed to and in feed liquid 20, is formed liquid phase counter current contacting process by tongue hole 22 and sieve aperture 23, this process is mass transport process, and the component of gas phase and liquid phase is continuous variation along tower height, the present invention considers that when uprising gas 18 enters float valve, air flow direction is unstable, on circular cylinder 27 inwalls of float valve, be provided with gas equiblibrium mass distribution mechanism, after the gas uniform dispersion that can be made to rise by gas equiblibrium mass distribution mechanism, enter tongue hole 22 and sieve aperture 23, obtain the uprising gas 18 comparatively balanced flow direction and the dispersion in feed liquid 20 on tower tray 33, due to the balanced upwards ejection of uprising gas 18 of the present invention, reduced entrainment.
Part not in the detailed description of the invention is prior art.
Claims (4)
1. the column plate gas-liquid mass transfer structure of a valve tower, comprise housing (5), rectifying section tower tray (4) and stripping section tower tray (8), at the rectifying section tower tray (4) of housing (5) and stripping section tower tray (8), locate from top to bottom to interlock and be provided with a plurality of tower trays (33), it is characterized in that: at described tower tray (33), comprise valve tray and float valve (14), the both sides, front and back of valve tray are connected with housing (5) inwall, on valve tray, be evenly distributed with a plurality of float valves (14), described float valve (14) comprises plate body (24), circular cylinder (27), in circular cylinder (27) upper end, connect the bottom surfaces of plate body (24), in the lower end of circular cylinder (27), be provided with the claw (28) of at least three outside bendings, the outer rim of described plate body (24) is provided with downward lower hem (25), on the barrel of circular cylinder (27), be provided with a plurality of openings (29), the inwall of described circular cylinder (27) is provided with gas equiblibrium mass distribution mechanism, gas equiblibrium mass distribution mechanism on described circular cylinder (27) inwall is: on circular cylinder (27) wall, be provided with plurality of openings (29), wherein one side in the mouth wall four sides of described opening (29) connects arc sheet (26) one end, air-flow distribution cavity (30) middle part that described arc sheet (26) other end forms in circular cylinder (27), or be provided with plurality of openings (29) on circular cylinder (27) wall, wherein two sides in the mouth wall four sides of described opening (29) connects respectively one end of two arc sheets (26), and the arc sheet (26) of described two adjacent apertures (29) is " C " shape and distributes in air-flow distribution cavity (30), described plate body (24) is provided with tongue hole (22), hole wall one side in described tongue hole (22) connects one end of perk plate (21), the hole wall opposite side top of the other end of perk plate (21) in tongue hole (22), on plate body (24), be also provided with at least one sieve aperture (23), one side end of valve tray is provided with lautertuns (15), a side end at valve tray is provided with downward side plate (16), between described side plate (16) lower end and housing (5) one sides, be provided with base plate (17), described side plate (16), lautertuns (15) is formed at base plate (17) top between housing (5) inwall, the end side of valve tray is connected with one side, top of overflow plate (13), between the opposite side of overflow plate (13) and housing (5) inwall, leave spacing, in the described lautertuns (15) of the described overflow plate (13) of last layer tower tray (33) in lower one deck tower tray (33).
2. the column plate gas-liquid mass transfer structure of valve tower according to claim 1, it is characterized in that: the gas equiblibrium mass distribution mechanism on circular cylinder (27) inwall is: on circular cylinder (27) wall, be provided with plurality of openings (29), foreign aid's face of radial plate body (31) is connected with the inwall of circular cylinder (27), is divided into a plurality of air-flow distribution cavities (30) by radial plate body (31) in circular cylinder (27).
3. the column plate gas-liquid mass transfer structure of valve tower according to claim 2, it is characterized in that: described radial plate body (31) consists of polylith strip plank, one end connecting ring body (32) of polylith strip plank, the other end of polylith strip plank is radial distribution, and the polylith strip plank outer end of radial distribution is connected on the inwall of circular cylinder (27).
4. the column plate gas-liquid mass transfer structure of valve tower according to claim 3, it is characterized in that: the middle part of polylith strip plank is provided with annular solid (32), foreign aid's face at one end of polylith strip plank connecting ring body (32), the other end of polylith strip plank is radial distribution, and the polylith strip plank outer end of radial distribution is connected on the inwall of circular cylinder (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210224590.7A CN102784489B (en) | 2012-07-02 | 2012-07-02 | Gas-liquid mass transfer structure of tower tray of floating valve tower |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210224590.7A CN102784489B (en) | 2012-07-02 | 2012-07-02 | Gas-liquid mass transfer structure of tower tray of floating valve tower |
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| Publication Number | Publication Date |
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| CN102784489A CN102784489A (en) | 2012-11-21 |
| CN102784489B true CN102784489B (en) | 2014-08-20 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103418154B (en) * | 2013-07-23 | 2015-03-18 | 魏治中 | Tower plate gas-liquid mass transfer improvement structure of float valve tower |
| CN109292944A (en) * | 2018-10-18 | 2019-02-01 | 江苏和顺环保有限公司 | A kind of Industry Waste concentrated acid secure processing device |
| CN113262517A (en) * | 2021-05-18 | 2021-08-17 | 河南中托力合化学有限公司 | Inner tube rectifying tower for separating mixed fraction of C12-C15 normal paraffins |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CA1138769A (en) * | 1979-06-06 | 1983-01-04 | Robert J. Hunt | Process for stripping volatile material from aqueous latex |
| JP2640396B2 (en) * | 1991-04-15 | 1997-08-13 | 三井造船株式会社 | Gas-liquid contact device |
| CN1046425C (en) * | 1997-11-24 | 1999-11-17 | 石油大学(北京) | Float valve tray with wings |
| CN201316546Y (en) * | 2008-12-03 | 2009-09-30 | 孙立文 | Stream-turn float valve |
| CN202740804U (en) * | 2012-07-02 | 2013-02-20 | 魏治中 | Tower plate gas-liquid mass transfer structure for float valve tower |
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