CN103894138A - Collector and collector set for packed tower - Google Patents
Collector and collector set for packed tower Download PDFInfo
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- CN103894138A CN103894138A CN201410164576.1A CN201410164576A CN103894138A CN 103894138 A CN103894138 A CN 103894138A CN 201410164576 A CN201410164576 A CN 201410164576A CN 103894138 A CN103894138 A CN 103894138A
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- annular
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- open trough
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Abstract
The invention discloses a collector and a collector set for a packed tower. The collector comprises reverse-shading ring sheet sets in a layered structure, wherein each layer of reverse-shading ring sheet is in a hollow inverted cone table shape, outer edges of the reverse-shading ring sheet sets decrease from top to bottom in a layer-by-layer manner, projections of the reverse-shading ring sheet sets at adjacent layers are overlapped with one another from top to bottom, the two layers of adjacent reverse-shading ring sheet sets are fixedly connected with each other by virtue of connecting plates, annular shading caps are arranged above the annular top of the reverse-shading ring sheet at the uppermost layer at intervals, are used for shading and are welded with a tower wall, a liquid collection bucket is arranged on a hollow hole in the reverse-shading ring sheet at the bottommost layer in a communication manner, and the cone angle of each layer of reverse-shading ring sheet is 120-180 degrees. The collector is easy to manufacture and convenient to mount and can realize 360-degree complete coverage, complete liquid collection and adequate mixing.
Description
Technical field
The present invention relates to a kind of tower internals with the performance that liquid collection and gas distributes again, relate in particular to a kind of collector for packed tower.
Background technology
No matter which kind of structure of existing collector, substantially be summarized as shield formula, it exists subject matter is that liquid collection is incomplete, upper strata filler falls liquid, at liquid and the liquid that is splashed to the B face that hides liquid plate 1 of some angular ranges along flap length direction, can not all collect in intake chute 2, as shown in the direction of arrow in Fig. 1, liquid collecting amount is little, and gas passage sectional area little (a just long narrow slit) vapour lock is large, the cost of the large increase tower of tower axial dimension.In Fig. 1,3 is connecting plate.
Always have along the liquid within the scope of the certain angle of its shield length direction and the liquid that is splashed to the shield back side and can not collect completely, and affect the uniformity of distribution of gas, vapour lock is large, collect liquid measure few (when collecting amount increases, vapour lock can increase), axial dimension is large, and the investment cost of tower is increased.
The patent No. is that the Chinese patent of 96205156.X discloses " having the pagoda-shaped liquid header of layered structure ", it is to be mainly made up of umbrella crown group and the liquid collection case etc. of layered structure, the problem that this device exists is that top layer umbrella-shaped structure is large and there is no a gas passage, gas passage only focuses on the space between liquid collection case wall and umbrella crown external diameter, vapour lock increases, cause gas-liquid to disturb and form entrainment, make whole tower section distribution of gas inequality, single laminar umbrella crown group structure is only applicable to little tower diameter, no matter be the umbrella-shaped structure of top layer for large tower diameter, or other hollow umbrella-shaped structure of each layer, due to the increase of diameter, its element of cone length is increased, cause mechanical processing difficulty to increase, in addition, for large tower diameter, no matter be to increase the umbrella crown number of plies, or the increase of diameter, all will cause tower axial dimension to increase, thereby cause the cost of tower to increase. distribution of gas inequality is more serious simultaneously.
The patent No. is that 201120149561.X Chinese patent discloses " a kind of liquid header of packed tower ", comprise plural accumulator and tube connector, and liquid fairlead, the cross section of accumulator is the groove of opening upwards, the bottom of the groove of accumulator is provided with more than one opening, accumulator horizontal interval distributes, between opening corresponding to bottom, be connected with tube connector, accumulator connects into entirety by tube connector, and be interconnected and form the continuous liquid bath that is subject to tube connector, liquid fairlead is connected with being subject to liquid bath.The problem that this device exists is: collect liquid incomplete, it is the deadly defect of collector, the accumulator that this patent adopts is spaced endless groove, and for to make the free cross-sectional area of collector be not less than 50%, (not too big to ensure pressure drop) is so the interval of groove can not be too little, therefore the liquid leaking can be more, this liquid header discomfort is fit to do distribute the again occasion of use of collection, in addition the structures shape of this liquid header be subject to liquid bath and gas passage to become a pair of thatch shield, liquid collecting face is large, gas passage is little, and resistance increases, vice versa.
Summary of the invention
The object of the invention is to overcome the shortcoming of prior art, provide a kind of liquid collecting completely and collect the wall flowing liquid of packing layer, mix fully, liquid collecting amount is large, gas distributes again, vapour lock is little, the liquid collection that the epimere filler between two sections of fillers of packed tower that axial dimension is little gets off distribute again for the collector of packed tower and for the collector group of packed tower.
Liquid header for packed tower of the present invention, what it comprised layered structure hides ring plate group, every one deck hides the rounding taper type that ring plate is hollow, the described outer rim that hides ring plate group from top to bottom successively reduces, the described ring plate group projection from top to bottom that hides is all that adjacent bed partly overlaps mutually, adjacent two-layer screening between ring plate group is connected and fixed by connecting plate, above the annular top that hides ring plate of the superiors, be arranged at intervals with annular and hide sunshade gear, annular hides cap and the welding of tower wall, be positioned on the undermost hollow hole that hides ring plate and be communicated with and be provided with liquid-collecting barrel, the coning angle that described every one deck hides ring plate is 120-180 degree.
Liquid header group for packed tower of the present invention, it comprises and hides ring plate group and annular open trough group, hiding ring plate group is arranged on middle, annular open trough group is socketed in and hides on ring plate group circumferencial direction, annular open trough group is expanded successively socket from inside to outside, until required tower diameter size, the described ring plate group that hides is layered structure, every one deck hides the rounding taper type that ring plate is hollow, the described outer rim that hides ring plate group from top to bottom successively reduces, the described ring plate group projection from top to bottom that hides is all that adjacent bed partly overlaps mutually, adjacent two-layer screening between ring plate group is connected and fixed by connecting plate, be positioned on the undermost hollow hole that hides ring plate and be communicated with and be provided with liquid-collecting barrel, the coning angle that described every one deck hides ring plate is 120-180 degree, described annular open trough group is layered structure, the projection from top to bottom of described annular open trough group is all that adjacent bed partly overlaps mutually, the outer rim of described annular open trough group outer ring riser from top to bottom successively reduces, described annular open trough group inner ring riser outer rim from top to bottom successively increases, between adjacent two-layer annular open trough group, be connected and fixed by groove connecting plate, every one deck annular open trough is inverted trapezoidal along the longitudinal section of the radial direction of open trough, in the trough floor of every one deck annular open trough, interval has multiple holes, above the outer ring riser annular top of the annular open trough of the superiors, be arranged at intervals with outer ring annular and hide sunshade gear, outer ring annular hides cap and the welding of tower wall, above the annular top of the annular top that hides ring plate of the superiors and the open trough inner ring riser of the superiors, be arranged at intervals with annular and hide sunshade gear, multiple holes in the trough floor of undermost annular open trough are communicated with setting with annular groove, described annular groove and liquid-collecting barrel are by the translot setting that is connected, between the groove connecting plate of described annular open trough and the connecting plate that hides ring plate of equivalent layer, be connected by connector, the annular top of the open trough inner ring riser of the annular top that hides ring plate of the superiors and the superiors is fixedly linked by syndeton.
Employing the invention has the beneficial effects as follows:
The liquid header being formed by multilayer screening ring plate group and multilayer open trough matte group, easy to manufacture, easy for installation, 360 degree all standings, liquid collecting is complete, mixes fully; Large coning angle and the angle of open trough (maximum can reach 180 degree) make tower axial dimension very little, and large interlayer gap is provided enough, make gas have enough rising spaces and gas to rise more smooth and easy, and vapour lock is little; The socket combining structure form of the annular open trough matte group that hides ring plate group and layered structure of layered structure, not only be applicable to all big or small tower diameters, and do not increase manufacture difficulty, keep little axial dimension, can also provide more annular channels for gas rises, make distribution of gas more even, pressure drop is less, has gas distributed function again concurrently. be widely used in the industrial circles such as chemical industry, petrochemical industry, ethene, oil refining.
Brief description of the drawings
Fig. 1 is the structural representation of existing folded plate type collector;
Fig. 2 is the structural representation of the collector for packed tower of the present invention;
Fig. 3 is that the collector coning angle shown in Fig. 2 is 180 structural representations while spending;
Fig. 4-1 is the front view of a kind of embodiment of the screening ring plate in the collector shown in Fig. 2;
Fig. 4-2 are the top view of a kind of embodiment of the screening ring plate in the collector shown in Fig. 2;
Fig. 5-1 is the front view of the another kind of embodiment of the screening ring plate in the collector shown in Fig. 2;
Fig. 5-2 are the top view of a kind of embodiment of the screening ring plate in the collector shown in Fig. 2;
Fig. 6 is that a kind of structure master of the collector group for packed tower of the present invention looks schematic diagram;
Fig. 7-1 is the structural front view of the annular open trough group in the collector group shown in Fig. 6;
Fig. 7-2 be shown in Fig. 7-1 the structure top view of annular open trough group;
Fig. 8-1 be shown in Fig. 7-1 annular open trough group in the structural front view of one deck annular open trough;
Fig. 8-2 are the top view of one deck annular open trough shown in Fig. 8-1.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
As shown in Figures 2 and 3, liquid header for packed tower of the present invention, what it comprised layered structure hides ring plate group, every one deck hides the rounding taper type that ring plate is hollow, the described outer rim that hides ring plate group from top to bottom successively reduces, the described ring plate group projection from top to bottom that hides is all that adjacent bed partly overlaps mutually, adjacent two-layer screening between ring plate group is connected and fixed by connecting plate 01-24, above the annular top that hides ring plate of the superiors, being arranged at intervals with annular screening cap 01-1 blocks, when installation, annular hides cap and the welding of tower wall, annular hides interval between cap 01-1 and the annular top that hides ring plate of the superiors and is arranged so that enough gas rising passwaies, on the undermost hollow hole that hides ring plate, be communicated with and be provided with liquid-collecting barrel 01-3, the coning angle a that described every one deck hides ring plate is 120-180 degree, the axial dimension that can make like this to hide ring plate is little, in minimum tower axial dimension situation, still can ensure that interlayer has enough large gas rising passway.Regulate the two-layer distance (being the much little of gas passage) hiding between ring plate to meet the requirement of gas pressure drop.
The described ring plate group that hides comprises on one and hides ring plate, and 1 hides ring plate under hiding ring plate and one to multiple centres.
The coning angle a that preferred every one deck hides ring plate is 170 degree.
As shown in Fig. 4-1,4-2,5-1,5-2, it can be overall that described every one deck hides ring plate, can be also separable assembled, and the type of attachment of separable assembled can be screw, staking or welding.
Hiding ring plate can adopt sheet metal compacting to be welded.
In installation process, in this collector group, adopt hide ring plate group structure be mounting means as shown in Figure 2, annular hides cap 01-1 and the welding of tower wall, on hide ring plate 01-21 and be arranged at annular and hide the below that emits, and leave enough gas rising passwaies, (above hide between ring plate and annular screening cap and leave enough gaps).Hide ring plate 01-21 and lower screening is provided with one or more centres between ring plate 01-23 and hides ring plate 01-22 upper, between each ring plate, there is connecting plate 01-24 to connect, each ring plate is along the multiple connecting plate 01-24 of ring Zhou Junbu, can weld also and can connect with screw, by connecting plate, the upper ring plate 01-21, centre of hiding be hidden to ring plate 01-22, hides ring plate 01-23 down and form entirety.On hide ring plate 01-21 and be connected with tower wall by multiple (being uniformly distributed along the circumference) upper bearing rib 01-42, be provided with liquid-collecting barrel 01-3 at the lower hollow hole place that hides ring plate 01-23, liquid-collecting barrel 01-3 is welded in tower wall by lower support gusset 01-41, bearing rib is welded with multiple and uniform along tower wall, be shaped with liquid reducing hole and be connected with redistributor at the bottom of liquid-collecting barrel.
Adopt the course of work of this collector to be: the liquid from the filler stream of upper strata, hide the obstruction of cap through being welded in the annular of tower wall, hiding ring plate group by rounding taper type all collects in liquid-collecting barrel 01-3 and mixes, without any leakage, then, flow in redistributor through the fluid hole of liquid-collecting barrel bottom, as shown in downward arrow in figure, and gas below collector evenly rises with the annular space between annular screening cap with annular space and upper screening ring plate between upper screening ring plate through lower screening ring plate and middle annular space and the middle ring plate that hides hiding between ring plate, automatic pressure-balancing, as in figure to as shown in upward arrow.The successively annulus that hides ring plate provides enough atmospheric passages, makes pressure distribution balance on its whole tower section, and the ring plate group that hides of large coning angle makes tower axial dimension very little, reduced the cost of tower, and air-flow is more unobstructed.
As Fig. 6, 7-1, 7-2, shown in 8-1 and 8-2, collector group for packed tower of the present invention, it comprises and hides ring plate group and annular open trough group, hiding ring plate group is arranged on middle, annular open trough group is socketed in and hides on ring plate group circumferencial direction, annular open trough group is expanded successively socket from inside to outside, until required tower diameter size, the described ring plate group that hides is layered structure, every one deck hides the rounding taper type that ring plate is hollow, the described outer rim that hides ring plate group from top to bottom successively reduces, the described ring plate group projection from top to bottom that hides is all that adjacent bed partly overlaps mutually, adjacent two-layer screening between ring plate group is connected and fixed by connecting plate 01-24, on the undermost hollow hole that hides ring plate, be communicated with and be provided with liquid-collecting barrel 01-3, the coning angle a that described every one deck hides ring plate is 120-180 degree, described annular open trough group is layered structure, every one deck is annular open trough, generally include a upper strata annular open trough and (comprise inner ring riser 02-21-2, upper outer ring riser 02-21-1, upper trough floor 02-21-4, in trough floor, interval has multiple hole 02-21-5, and multiple gusset 02-21-3 of the upper inner ring riser of connection and upper outer ring riser), one or more layers intermediate annular open trough (inner ring riser 02-22-2 in the middle of comprising, middle outer ring riser 02-22-1, medial launder base plate 02-22-4, on medial launder base plate, interval has multiple hole 02-22-5, and multiple gusset 02-22-3 of the middle inner ring riser of connection and outer ring riser), and lower floor's annular open trough (comprises lower inner ring riser 02-23-2, lower outer ring riser 02-23-1, lower trough floor 02-23-4, in lower trough floor, interval has multiple hole 02-23-5, and multiple gusset 02-23-3 of the lower inner ring riser of connection and outer ring riser), the outer ring riser outer rim of described annular open trough group from top to bottom successively reduces, and inner ring riser outer rim successively increases (inner ring riser outer rim refers to the part that inner ring riser bottom is crossing with trough floor) from top to bottom and the projection from top to bottom of described annular open trough group is all that adjacent bed partly overlaps mutually, between adjacent two-layer annular open trough group, be connected and fixed by groove connecting plate 02-24, every one deck annular open trough is inverted trapezoidal along the longitudinal section of the radial direction of open trough, in the trough floor of every one deck annular open trough, interval has multiple holes, above the outer ring riser annular top of the annular open trough of the superiors, being arranged at intervals with outer ring annular hides cap 02-1 and blocks, outer ring annular hides cap 02-1 and the welding of tower wall, the annular top of the open trough inner ring riser of the annular top that hides ring plate of the superiors and the superiors is fixedly linked by syndeton, annular top as the annular top that hides ring plate on one embodiment of the present invention upper strata and the open trough inner ring riser of the superiors can be connected by multiple radially gusset 01-12, above the annular top of the annular top that hides ring plate of the superiors and the open trough inner ring riser of the superiors, being arranged at intervals with annular screening cap 01-11 blocks, annular hides cap 01-11 and can be connected with the nut 01-13 being connected on gusset radially by screw, annular hides cap 01-11 and is blocking the annular top that hides the annular top of ring plate and the open trough inner ring riser of the superiors, and maintain enough gas rising spaces, in the trough floor of undermost annular open trough, interval has multiple holes and is communicated with setting with annular groove 02-3, described annular groove 02-3 and liquid-collecting barrel 01-3 are by the translot 02-4 setting that is connected, between the connecting plate 01-24 that hides ring plate of the groove connecting plate 02-24 of described annular open trough and equivalent layer, be connected by connector.Described connector can be dowel plate 02-51.
Preferably increase the intensity of annular open trough, in every one deck annular open trough, be connected with multiple gussets, as Fig. 8-1, shown in 8-2, in upper strata annular open trough, be provided with and multiple gusset 02-22-3 be installed in multiple gusset 02-21-3, intermediate layer annular open trough and in lower floor's annular open trough, multiple gusset 02-23-3 be installed.
The inner ring riser of inverted trapezoidal structure that preferred each annular open trough forms along the longitudinal section of annular radial direction and the angle β of outer ring riser are preferably at 120 degree-180 degree.
The installation method of this device is: annular groove 02-3 is connected with tower wall by lower support gusset 02-52, and the outer ring riser 02-21-1 of the annular open trough of the superiors is connected with tower wall by upper bearing rib 02-53.
The course of work: the liquid from the filler stream of upper strata is fallen annular and hidden cap and hide in each ring plate and annular open trough of ring plate group, dirty along its conical surface, then all receive in liquid-collecting barrel, flow in redistributor through downspout hole, as shown in the downward arrow in figure, and the gas of below is from the annular space between outer ring riser annular top and the annular screening cap of the annular space between each ring plate and the superiors, (sectional area that gas passes through is large, and smooth and easy) rise to uniformly the top of collector, as in figure to as shown in upward arrow.
Claims (6)
1. for the liquid header of packed tower, what it comprised layered structure hides ring plate group, every one deck hides the rounding taper type that ring plate is hollow, it is characterized in that: the described outer rim that hides ring plate group from top to bottom successively reduces, the described ring plate group projection from top to bottom that hides is all that adjacent bed partly overlaps mutually, adjacent two-layer screening between ring plate group is connected and fixed by connecting plate, above the annular top that hides ring plate of the superiors, be arranged at intervals with annular and hide sunshade gear, annular hides cap and the welding of tower wall, be positioned on the undermost hollow hole that hides ring plate and be communicated with and be provided with liquid-collecting barrel, the coning angle that described every one deck hides ring plate is 120-180 degree.
2. the liquid header for packed tower according to claim 1, is characterized in that: the coning angle that every one deck hides ring plate is 170 degree.
3. the liquid header for packed tower according to claim 1 and 2, is characterized in that: every one deck hide ring plate be entirety or separable assembled.
4. for the liquid header group of packed tower, it is characterized in that: it comprises and hides ring plate group and annular open trough group, hiding ring plate group is arranged on middle, annular open trough group is socketed in and hides on ring plate group circumferencial direction, annular open trough group is expanded successively socket from inside to outside, until required tower diameter size, the described ring plate group that hides is layered structure, every one deck hides the rounding taper type that ring plate is hollow, the described outer rim that hides ring plate group from top to bottom successively reduces, the described ring plate group projection from top to bottom that hides is all that adjacent bed partly overlaps mutually, adjacent two-layer screening between ring plate group is connected and fixed by connecting plate, be positioned on the undermost hollow hole that hides ring plate and be communicated with and be provided with liquid-collecting barrel, the coning angle that described every one deck hides ring plate is 120-180 degree, described annular open trough group is layered structure, the projection from top to bottom of described annular open trough group is all that adjacent bed partly overlaps mutually, the outer rim of described annular open trough group outer ring riser from top to bottom successively reduces, described annular open trough group inner ring riser outer rim from top to bottom successively increases, between adjacent two-layer annular open trough group, be connected and fixed by groove connecting plate, every one deck annular open trough is inverted trapezoidal along the longitudinal section of the radial direction of open trough, in the trough floor of every one deck annular open trough, interval has multiple holes, above the outer ring riser annular top of the annular open trough of the superiors, be arranged at intervals with outer ring annular and hide sunshade gear, outer ring annular hides cap and the welding of tower wall, above the annular top of the annular top that hides ring plate of the superiors and the open trough inner ring riser of the superiors, be arranged at intervals with annular and hide sunshade gear, multiple holes in the trough floor of undermost annular open trough are communicated with setting with annular groove, described annular groove and liquid-collecting barrel are by the translot setting that is connected, between the groove connecting plate of described annular open trough and the connecting plate that hides ring plate of equivalent layer, be connected by connector, the annular top of the open trough inner ring riser of the annular top that hides ring plate of the superiors and the superiors is fixedly linked by syndeton.
5. the liquid header group for packed tower according to claim 4, is characterized in that: the inner ring riser of inverted trapezoidal structure and the angle of outer ring riser that each annular open trough forms along the longitudinal section of annular radial direction are spent in 120 degree-180.
6. according to the liquid header group for packed tower described in claim 4 or 5, it is characterized in that: in every one deck annular open trough, be connected with multiple gussets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410164576.1A CN103894138B (en) | 2014-04-22 | 2014-04-22 | Collector and collector set for packed tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410164576.1A CN103894138B (en) | 2014-04-22 | 2014-04-22 | Collector and collector set for packed tower |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103894138A true CN103894138A (en) | 2014-07-02 |
| CN103894138B CN103894138B (en) | 2015-05-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410164576.1A Expired - Fee Related CN103894138B (en) | 2014-04-22 | 2014-04-22 | Collector and collector set for packed tower |
Country Status (1)
| Country | Link |
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| CN (1) | CN103894138B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104383872A (en) * | 2014-12-09 | 2015-03-04 | 中建安装工程有限公司 | Embedded type wall flow redistributor applied to structured packing towers |
| CN109420465A (en) * | 2017-08-29 | 2019-03-05 | 中国石化工程建设有限公司 | Exit collector for heavy-oil hydrogenation consersion unit |
| CN112007481A (en) * | 2020-08-26 | 2020-12-01 | 青岛市金旭环境工程有限公司 | Gas-liquid redistribution device and absorption packed tower |
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| CN2668215Y (en) * | 2003-11-28 | 2005-01-05 | 上海化工研究院 | Liquid-phase collecting liquid redistributor for separating tower |
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| KR100974323B1 (en) * | 2009-12-15 | 2010-08-05 | 한 세이프 주식회사 | A reactor for heat recovery steam generator |
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| CN202122847U (en) * | 2011-05-12 | 2012-01-25 | 湖北振声（集团）股份有限公司 | Liquid collector of packing tower |
| CN203842592U (en) * | 2014-04-22 | 2014-09-24 | 天津市天大津康化工设备有限公司 | Collector for packed tower and collector group for packed tower |
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Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| DE3310272A1 (en) * | 1983-03-22 | 1985-01-17 | Hoechst Ag, 6230 Frankfurt | Method and apparatus for the production of alkali polyphosphates |
| CN2252657Y (en) * | 1996-03-12 | 1997-04-23 | 石油大学(华东) | Pagoda-shape liquid collector with layers structure |
| CN2306056Y (en) * | 1997-09-08 | 1999-02-03 | 天津大学 | Vapour-liquid conic distributor for packing multi-tube tower |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104383872A (en) * | 2014-12-09 | 2015-03-04 | 中建安装工程有限公司 | Embedded type wall flow redistributor applied to structured packing towers |
| CN104383872B (en) * | 2014-12-09 | 2016-03-30 | 中建安装工程有限公司 | A kind of regular packed tower embedded wall stream redistributor |
| CN109420465A (en) * | 2017-08-29 | 2019-03-05 | 中国石化工程建设有限公司 | Exit collector for heavy-oil hydrogenation consersion unit |
| CN109420465B (en) * | 2017-08-29 | 2021-08-27 | 中国石化工程建设有限公司 | Outlet collector for heavy oil hydrogenation reaction equipment |
| CN112007481A (en) * | 2020-08-26 | 2020-12-01 | 青岛市金旭环境工程有限公司 | Gas-liquid redistribution device and absorption packed tower |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103894138B (en) | 2015-05-20 |
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