CN103894138B - Collector and collector set for packed tower - Google Patents
Collector and collector set for packed tower Download PDFInfo
- Publication number
- CN103894138B CN103894138B CN201410164576.1A CN201410164576A CN103894138B CN 103894138 B CN103894138 B CN 103894138B CN 201410164576 A CN201410164576 A CN 201410164576A CN 103894138 B CN103894138 B CN 103894138B
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- annular
- ring plate
- hide
- group
- 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 distribute again, particularly relate to a kind of collector for packed tower.
Background technology
Existing collector no matter which kind of structure, substantially shield formula is summarized as, it exists subject matter is that liquid collection is incomplete, upper strata filler falls liquid, at liquid and the liquid being splashed to the B face hiding 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 (just a 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 and can not collect completely along the liquid within the scope of the certain angle of its shield length direction and the liquid being splashed to the shield back side, 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 " the pagoda-shaped liquid header with layered structure ", it is mainly made up of the umbrella crown group and liquid collection case etc. of layered structure, this device Problems existing is that top layer umbrella-shaped structure is large and do not have 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 uneven, single laminar umbrella crown group structure is only applicable to little tower diameter, for the umbrella-shaped structure no matter large tower diameter is top layer, or the hollow umbrella-shaped structure of other each layer, due to the increase of diameter, its element of cone length is increased, mechanical processing difficulty is caused to increase, in addition, for large tower diameter, no matter be increase the umbrella crown number of plies, or the increase of diameter, tower axial dimension all will be caused to increase, thus the cost of tower is caused 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, tube connector is connected with between the opening that bottom is corresponding, accumulator connects into entirety by tube connector, and be interconnected with tube connector and form continuous print submerged soil, liquid fairlead is connected with submerged soil.This device Problems existing is: collect liquid incomplete, it is the deadly defect of collector, the accumulator that this patent adopts is spaced endless groove, and for making the free cross-sectional area of collector be not less than 50%, (to ensure that pressure drop is not too big) is so the interval of groove can not be too little, therefore the liquid leaked through can be more, this liquid header discomfort is fit to do the occasion that collection distributes again, the structures shape submerged soil of this liquid header and gas passage become a pair thatch shield in addition, 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 the shortcoming overcoming prior art, there is provided a kind of liquid collecting completely and collect the wall flowing liquid of packing layer, mixing fully, liquid collecting amount is large, gas distributes again, vapour lock is little, the collector for packed tower that the liquid collection got off for the epimere filler between section filler of two in packed tower that axial dimension is little distributes again and the collector group for packed tower.
Liquid header for packed tower of the present invention, it comprises the screening ring plate group of layered structure, every one deck falls to hide the rounding taper type that ring plate is hollow, the described outer rim falling to hide ring plate group from top to bottom successively reduces, described screening ring plate group projection from top to bottom of falling 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 falling to hide ring plate of the superiors, be arranged at intervals with annular hide sunshade gear, annular hides cap and welds with tower wall, be positioned on connection on the undermost hollow hole falling to hide ring plate and be provided with liquid-collecting barrel, the coning angle that described every one deck falls to hide ring plate is 120-180 degree.
Liquid header group for packed tower of the present invention, it comprises down screening ring plate group and annular open trough group, fall to hide ring plate group and be arranged on centre, annular open trough group is socketed in down and hides ring plate group circumferentially, annular open trough group is expanded from inside to outside and is successively socketed, until required tower diameter size, described screening ring plate group of falling is layered structure, every one deck falls to hide the rounding taper type that ring plate is hollow, the described outer rim falling to hide ring plate group from top to bottom successively reduces, described screening ring plate group projection from top to bottom of falling 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 connection on the undermost hollow hole falling to hide ring plate and be provided with liquid-collecting barrel, the coning angle that described every one deck falls to hide ring plate is 120-180 degree, described annular open trough group is layered structure, described annular open trough group projection is from top to bottom 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, be connected and fixed by groove connecting plate between adjacent two-layer annular open trough group, 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 hole, above the outer ring riser annular top of the annular open trough of the superiors, be arranged at intervals with outer ring annular hide sunshade gear, outer ring annular hides cap and welds with tower wall, above the annular top falling to hide the annular top of ring plate and the open trough inner ring riser of the superiors of the superiors, be arranged at intervals with annular hide sunshade gear, multiple hole in the trough floor of undermost annular open trough is communicated with annular groove and arranges, described annular groove and liquid-collecting barrel are connected by translot and arrange, be connected by connector between the groove connecting plate of described annular open trough and the connecting plate hiding ring plate of equivalent layer, the annular top falling to hide the annular top of ring plate and the open trough inner ring riser of the superiors of the superiors is fixedly linked by syndeton.
Employing the invention has the beneficial effects as follows:
The liquid header be made up of multilayer screening ring plate group and multilayer open trough matte group, easy to manufacture, easy for installation, 360 degree of all standings, liquid collecting is complete, and mixing is fully; The angle of large coning angle and open trough (maximum reach 180 degree) makes tower axial dimension very little, and provides enough large interlayer spacings, makes gas have enough rising spaces and gas rises more smooth and easy, and vapour lock is little; The socket combining structure form falling to hide the annular open trough matte group of ring plate group and layered structure of layered structure, not only be applicable to all size tower diameters, and do not increase manufacture difficulty, keep little axial dimension, more annular channels can also be provided 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.
Accompanying drawing explanation
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;
The structural representation that Fig. 3 is the collector coning angle shown in Fig. 2 when being 180 degree;
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 is 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 is the top view of a kind of embodiment of the screening ring plate in the collector shown in Fig. 2;
Fig. 6 is a kind of structure schematic front view of the collector group for packed tower of the present invention;
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 for shown in Fig. 7-1 the structure top view of annular open trough group;
Fig. 8-1 for shown in Fig. 7-1 annular open trough group in one deck annular open trough structural front view;
Fig. 8-2 is 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, it comprises the screening ring plate group of layered structure, every one deck falls to hide the rounding taper type that ring plate is hollow, the described outer rim falling to hide ring plate group from top to bottom successively reduces, described screening ring plate group projection from top to bottom of falling 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 falling to hide ring plate of the superiors, be arranged at intervals with annular screening cap 01-1 block, during installation, annular hides cap and welds with tower wall, annular hides interval between cap 01-1 and the annular top hiding ring plate of the superiors and is arranged so that enough gas rising passwaies, the undermost hollow hole falling to hide ring plate is communicated with and is provided with liquid-collecting barrel 01-3, the coning angle a that described every one deck falls to hide ring plate is 120-180 degree, the axial dimension hiding ring plate can be made down so little, in minimum tower axial dimension situation, still can ensure that interlayer has enough large gas rising passway.The two-layer distance (namely gas passage is much little) hidden between ring plate is regulated to meet the requirement of gas pressure drop.
Described fall to hide ring plate group and comprise on one and hide ring plate, 1 fall to hide ring plate and one to multiple centre under hide ring plate.
The coning angle a that preferred every one deck falls to hide 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 falls to hide ring plate, and also can be separable assembled, the type of attachment of separable assembled can be screw, staking or welding.
Falling to hide ring plate can adopt sheet metal compacting to be welded.
In installation process, screening ring plate group structure and the mounting means that adopt in this collector group are as shown in Figure 2, annular hides cap 01-1 and welds with tower wall, upper screening ring plate 01-21 is arranged at annular and hides the below emitted, and leave enough gas rising passwaies, i.e. (upper screening ring plate and annular hide between cap and leave enough gaps).Fall to hide ring plate 01-21 and lower screening is provided with one or more centre between ring plate 01-23 and hides ring plate 01-22 upper, connecting plate 01-24 is had to connect between each ring plate, each ring plate is along the multiple connecting plate 01-24 of ring Zhou Junbu, can weld and also can connect with screw, will upper fall to hide ring plate 01-21 by connecting plate, middle fall to hide ring plate 01-22, fall to hide ring plate 01-23 and form entirety down.The upper ring plate 01-21 that hides is connected with tower wall by multiple (being uniformly distributed along the circumference) upper bearing rib 01-42, liquid-collecting barrel 01-3 is provided with at the lower hollow hole place falling to hide 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.
The course of work of this collector is adopted to be: the liquid from the filler stream of upper strata, annular through being welded in tower wall hides the obstruction of cap, fall to hide ring plate group by rounding taper type all to collect in liquid-collecting barrel 01-3 and to mix, without any leakage, then, fluid hole bottom liquid-collecting barrel flows in redistributor, as shown in arrow downward in figure, and gas below collector is through lower screening ring plate and middlely hides annular space between ring plate and the middle annular space between ring plate and upper screening ring plate and upper screening ring plate and the annular annular space hidden between cap of hiding evenly rises, automatic pressure-balancing, as in figure to shown in upward arrow.The successively annulus hiding ring plate provides enough atmospheric passages, makes pressure distribution balance on its whole tower section, and the ring plate group of falling to hide of large coning angle makes tower axial dimension very little, reduce 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 down screening ring plate group and annular open trough group, fall to hide ring plate group and be arranged on centre, annular open trough group is socketed in down and hides ring plate group circumferentially, annular open trough group is expanded from inside to outside and is successively socketed, until required tower diameter size, described screening ring plate group of falling is layered structure, every one deck falls to hide the rounding taper type that ring plate is hollow, the described outer rim falling to hide ring plate group from top to bottom successively reduces, described screening ring plate group projection from top to bottom of falling 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, the undermost hollow hole falling to hide ring plate is communicated with and is provided with liquid-collecting barrel 01-3, the coning angle a that described every one deck falls to hide 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 connect multiple gusset 02-21-3 of upper inner ring riser and upper outer ring riser), one or more layers intermediate annular open trough (comprises middle inner ring riser 02-22-2, 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 connect multiple gusset 02-22-3 of middle inner ring riser 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 connect multiple gusset 02-23-3 of lower inner ring riser 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 part crossing with trough floor bottom inner ring riser) from top to bottom and described annular open trough group projection is from top to bottom all that adjacent bed partly overlaps mutually, be connected and fixed by groove connecting plate 02-24 between adjacent two-layer annular open trough group, 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 hole, above the outer ring riser annular top of the annular open trough of the superiors, be arranged at intervals with outer ring annular screening cap 02-1 block, outer ring annular hides cap 02-1 and welds with tower wall, the annular top falling to hide the annular top of ring plate and the open trough inner ring riser of the superiors of the superiors is fixedly linked by syndeton, the screening annular top of ring plate of falling as one embodiment of the present invention upper strata can be connected by multiple radial gusset 01-12 with the annular top of the open trough inner ring riser of the superiors, above the annular top falling to hide the annular top of ring plate and the open trough inner ring riser of the superiors of the superiors, be arranged at intervals with annular screening cap 01-11 block, annular is hidden cap 01-11 and can be connected with the nut 01-13 that radial gusset is connected by screw, annular hides cap 01-11 and blocks the annular top of the screening 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 hole and is communicated with annular groove 02-3 and arranges, described annular groove 02-3 and liquid-collecting barrel 01-3 are connected by translot 02-4 and arrange, be connected by connector between the groove connecting plate 02-24 of described annular open trough and the connecting plate 01-24 hiding ring plate of equivalent layer.Described connector can be dowel plate 02-51.
Preferably increase the intensity of annular open trough, multiple gusset is connected with in every one deck annular open trough, as Fig. 8-1, shown in 8-2, be provided with in the annular open trough of upper strata in multiple gusset 02-21-3, intermediate layer annular open trough and multiple gusset 02-22-3 be installed and in lower floor's annular open trough, multiple gusset 02-23-3 be installed.
The inner ring riser of inverted trapezoidal structure that the longitudinal section of each annular open trough preferred annularly radial direction is formed and the angle β of outer ring riser preferably spend at 120 degree-180.
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: fall annular from the liquid the filler stream of upper strata and hide on cap and each ring plate falling to hide ring plate group and annular open trough, 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 hides between cap annular space from the outer ring riser annular top of the annular space between each ring plate and the superiors and annular, and (sectional area that gas passes through is large, and smooth and easy) rise to the top of collector uniformly, as in figure to shown in upward arrow.
Claims (6)
1. for the liquid header of packed tower, it comprises the screening ring plate group of layered structure, every one deck falls to hide the rounding taper type that ring plate is hollow, it is characterized in that: the described outer rim falling to hide ring plate group from top to bottom successively reduces, described screening ring plate group projection from top to bottom of falling 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 falling to hide ring plate of the superiors, be arranged at intervals with annular hide sunshade gear, annular hides cap and welds with tower wall, be positioned on connection on the undermost hollow hole falling to hide ring plate and be provided with liquid-collecting barrel, the coning angle that described every one deck falls to hide 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 falls to hide ring plate is 170 degree.
3. the liquid header for packed tower according to claim 1 and 2, is characterized in that: it is overall or separable assembled that every one deck falls to hide ring plate.
4. for the liquid header group of packed tower, it is characterized in that: it comprises down screening ring plate group and annular open trough group, fall to hide ring plate group and be arranged on centre, annular open trough group is socketed in down and hides ring plate group circumferentially, annular open trough group is expanded from inside to outside and is successively socketed, until required tower diameter size, described screening ring plate group of falling is layered structure, every one deck falls to hide the rounding taper type that ring plate is hollow, the described outer rim falling to hide ring plate group from top to bottom successively reduces, described screening ring plate group projection from top to bottom of falling 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 connection on the undermost hollow hole falling to hide ring plate and be provided with liquid-collecting barrel, the coning angle that described every one deck falls to hide ring plate is 120-180 degree, described annular open trough group is layered structure, described annular open trough group projection is from top to bottom 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, be connected and fixed by groove connecting plate between adjacent two-layer annular open trough group, 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 hole, above the outer ring riser annular top of the annular open trough of the superiors, be arranged at intervals with outer ring annular hide sunshade gear, outer ring annular hides cap and welds with tower wall, above the annular top falling to hide the annular top of ring plate and the open trough inner ring riser of the superiors of the superiors, be arranged at intervals with annular hide sunshade gear, multiple hole in the trough floor of undermost annular open trough is communicated with annular groove and arranges, described annular groove and liquid-collecting barrel are connected by translot and arrange, be connected by connector between the groove connecting plate of described annular open trough and the connecting plate hiding ring plate of equivalent layer, the annular top falling to hide the annular top of ring plate and the open trough inner ring riser of the superiors of the superiors is fixedly linked by syndeton.
5. the liquid header group for packed tower according to claim 4, is characterized in that: each annular open trough annularly radial direction longitudinal section formed the inner ring riser of inverted trapezoidal structure and the angle of outer ring riser spend at 120 degree-180.
6. the liquid header group for packed tower according to claim 4 or 5, is characterized in that: in every one deck annular open trough, be connected with multiple gusset.
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 |
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| Publication Number | Publication Date |
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| CN103894138A CN103894138A (en) | 2014-07-02 |
| CN103894138B true CN103894138B (en) | 2015-05-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410164576.1A Expired - Fee Related CN103894138B (en) | 2014-04-22 | 2014-04-22 | Collector and collector set for packed tower |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
| CN112007481B (en) * | 2020-08-26 | 2022-08-26 | 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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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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