CN103801109A - Light and heavy phase redistribution device for liquid-liquid extraction packed tower - Google Patents
Light and heavy phase redistribution device for liquid-liquid extraction packed tower Download PDFInfo
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- CN103801109A CN103801109A CN201410075608.0A CN201410075608A CN103801109A CN 103801109 A CN103801109 A CN 103801109A CN 201410075608 A CN201410075608 A CN 201410075608A CN 103801109 A CN103801109 A CN 103801109A
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Abstract
The invention provides a light and heavy phase redistribution device for a liquid-liquid extraction packed tower. The device comprises a liquid distribution plate, distribution pipes, distribution pipe caps, distribution pipe cap support rib plates and blind plates at the upper ends of the distribution pipe caps, wherein the liquid distribution plate is circular; distribution pipe mounting holes only for the passage of a light phase and heavy phase distribution holes only for the passage of a heavy phase are uniformly distributed in the upper part of the liquid distribution plate; the distribution pipes are welded on the distribution pipe mounting holes; the distribution pipe caps are circular pipes of which the two ends are open, and are fixedly arranged on the distribution pipes in a sleeving manner through the distribution pipe cap support rib plates; the top ends of the distribution pipe caps are protruded from the top ends of the distribution pipes, the bottom ends of the distribution pipe caps and the liquid distribution plate are arranged at intervals, and the inner walls of the distribution pipe caps and the outer walls of the distribution pipes are arranged at intervals; the blind plates at the upper ends of the distribution pipe caps are fixedly welded at the top ends of the distribution pipe caps. The light and heavy phase redistribution device for the liquid-liquid extraction packed tower is arranged in the liquid-liquid extraction packed tower, an upper-section packing of the liquid-liquid extraction packed tower is a random packing, a lower-section packing of the liquid-liquid extraction packed tower is a structured packing or a random packing, and the light and heavy phase redistribution device is arranged in the upper-section random packing.
Description
Technical field
The present invention relates to weight phase apparatus for redistributing in a kind of liquid-liquid extraction packed tower.
Background technology
In common gas-liquid packed tower, the effect of liquid redistribution device is in order to prevent the too high efficiency that affects tower of filler, therefore to need that liquid re-distributor is set and be used for improving the active surface of mass transfer, heat transfer, improving phase Contact, thereby improves the efficiency of tower.
The also note plug flow heterogeneous that flows of liquid in packing layer in packed tower, but there is channel, bias current, wall flow phenomenon, this will cause enlarge-effect and the end effect of packed tower, it is to reduce and prevent the enlarge-effect of packed tower that appropriate design is selected the object of liquid re-distributor, thereby reduce tower height and tower diameter, reduce cost or grasp ashamed expense.
Liquid is divided into extensive and small-scale two classes in the bad distribution of filling out in Tu tower.Bad distribution is caused by liquid channel in packing layer on a small scale, and extensive bad distribution is caused by liquid distribution trough, can make the efficiency degradation of whole tower, and packing efficiency is higher, and liquid distribution quality is larger on carrier performance impact.In order to reduce due to the caused enlarge-effect of the bad distribution of liquid, give full play to the efficiency of filler, liquid distribution device must be installed in packed tower, uniform liquid be distributed in packing layer, the quality that uniform liquid distributes not only affects the mass-transfer efficiency of filler, and affects the operating flexibility of filler.Therefore, liquid distribution trough is internals very crucial in packed tower, and the kind of distributor is more, selection according to be mainly distributed mass, operating flexibility, treating capacity, air resistance, to many aspects such as levelness.
In common gas-liquid packed tower, gas phase rises and contacts with liquid phase and carry out mass-and heat-transfer on filler from filler bottom, better because of gas phase mobility, all can reach better distribution as long as no cutting off.
And the distribution of weight phase is just more difficult in special liquid liquid packed tower, also less to this research, mainly by structured packing, weight to be distributed mutually more at present, this distribution only relies on the simple guide effect of structured packing, lack theoretical foundation, and well secondary distributes again on whole tower section, be not only uniformly distributed effect poor, expense is higher simultaneously.And improve after heavy phase apparatus for redistributing self just can reach equally distributed effect, therefore structured packing can be cast out, can be cost-saving.
Summary of the invention
The problem existing for prior art, the invention provides weight phase apparatus for redistributing in a kind of liquid-liquid extraction packed tower, in liquid-liquid extraction packed tower, play the evenly distribution effect mutually of packing support and weight, use this device not only can support the random packing in packed tower, because light phase distributor pipe gos deep in random packing, therefore can save space in tower, the light effect evenly distributing again that can reach mutually can play the effect evenly distributing again to heavy phase simultaneously.This device make weight on filling surface evenly close contact to reach the effect of good heat transfer, mass transfer.
Technical scheme of the present invention is: a kind of liquid-liquid extraction packed tower weight phase apparatus for redistributing, comprises the blind plate of liquid distributing board, distributor pipe, distribution pipe cap, distribution pipe cap ribs plate, distribution pipe cap upper end; Described liquid distributing board is rounded, and top is only uniformly distributed distributor pipe installing hole for walking light phase and only for walking the heavy phase distribution hole of heavy phase, and is welded with distributor pipe on distributor pipe installing hole;
Described distribution pipe cap is the pipe opened of two ends, is located on distributor pipe by distribution pipe cap ribs plate fixed cover, and distributor pipe crown end protrudes distributor pipe top, bottom and the setting of liquid distributing board interval, inwall and the setting of distributor pipe outer wall interval; The blind plate of described distribution pipe cap upper end is fixedly welded on distributor pipe crown end;
Described liquid-liquid extraction packed tower weight phase apparatus for redistributing is arranged in liquid-liquid extraction packed tower, described liquid-liquid extraction packed tower epimere filler is random packing, hypomere filler is structured packing or random packing, and described weight phase apparatus for redistributing is placed among epimere random packing.
Further, described distributor pipe installing hole unit dropping point density of every square metre on liquid distributing board is 10～200, and aperture is 30～200mm.
Further, described distributor pipe installing hole unit dropping point density of every square metre on liquid distributing board is 50～100, and aperture is 50～100mm.
Further, described heavy phase distribution hole unit dropping point density of every square metre on liquid distributing board is 5～200, and aperture is 30～200mm.
Further, described heavy phase distribution hole unit dropping point density of every square metre on liquid distributing board is 50～100, and aperture is 50～100mm.
Further, described distributor pipe top is 50～300mm to the distance of liquid distributing board.
Further, described distributor pipe top is 50～100mm to the distance of liquid distributing board.
Further, described distributor pipe crown end is 100～320mm to the distance of liquid distributing board, and distribution pipe cap bottom is 18-22mm to the distance of liquid distributing board, and the annular gap span between distribution pipe cap and distributor pipe is 21-23mm.
Further, described distributor pipe crown end is 18-22mm to the distance on the top of distributor pipe.
Further, described distribution pipe cap and distributor pipe are welded and fixed by distribution pipe cap ribs plate.
Principle of the present invention: weight relies on mutually density contrast to assemble on distribution grid again and forms certain liq height, after gathering, be just easy to be uniformly distributed by weight phase distribution hole (or pipe), gently reach uniform distribution by the distributor pipe on liquid distributing board, heavy phase comes together on liquid distributing board and again distributes by the distribution hole on liquid distributing board through filler.By using liquid redistribution device to improve the effective ratio area of weight phase mass transfer, heat transfer, improve phase Contact, thereby improve the efficiency of tower.
The invention has the beneficial effects as follows: can impel weight in packed tower evenly to distribute again mutually by weight phase apparatus for redistributing, increase heavy phase component and mass transfer, the heat-transfer effect of light phase component in tower, improve the efficiency of tower, thereby improved product purity and the yield of each component in liquid-liquid extraction tower.In liquid-liquid extraction packed tower in the present invention, weight phase apparatus for redistributing is installed among random packing, not only can play to the random packing of top the effect of support, and can make weight reach mutually the effect evenly distributing again, and distributor pipe is placed in random packing, can play the effect of saving space in tower.
Accompanying drawing explanation
Fig. 1 is the structural representation of apparatus of the present invention;
Fig. 2 is the top view of apparatus of the present invention;
Fig. 3 is that apparatus of the present invention are installed on the structural representation among random packing.
Wherein 1 is that liquid distributing board, 2 is that distributor pipe, 3 is that the blind plates, 6 that distribution pipe cap, 4 is distribution pipe cap upper end for distribution pipe cap ribs plate, 5 are that light phase distributor pipe installing hole, 7 is that heavy phase distribution hole, 8 is that upper end filler, 9 is lower end filler.
The specific embodiment
Below in conjunction with accompanying drawing, the present invention is further illustrated.
As shown in Figure 1, 2, a kind of liquid-liquid extraction packed tower weight phase apparatus for redistributing, comprises the blind plate 5 of liquid distributing board 1, distributor pipe 2, distribution pipe cap 3, distribution pipe cap ribs plate 4, distribution pipe cap upper end.Liquid distributing board 1 is rounded, top is uniformly distributed and is useful on away the distributor pipe installing hole 6 of light phase and for walking the heavy phase distribution hole 7 of heavy phase, wherein, according to the unit dropping point density of every square metre of concrete device requirement distributor pipe installing hole 6 and heavy phase distribution hole 7 interiorly suitably choose 10～200, aperture suitably chooses in 30～200mm, preferably, the unit dropping point density of every square metre is 50～100, and aperture is 50～100mm.The unit dropping point density of the present embodiment distributor pipe installing hole 6 is 100, aperture is 100mm, and heavy phase distribution hole 7 unit dropping point density are 100, aperture is 100mm.
On distributor pipe installing hole 6, be welded with distributor pipe 2, and distributor pipe 2 tops suitably choose in 80～300mm according to concrete device requirement to the distance of liquid distributing board 1, the present embodiment distributor pipe 2 tops are 150mm to the distance of liquid distributing board 1.Distribution pipe cap 3 is pipes of opening of two ends, is welded and fixed and is sheathed on distributor pipe 2 by distribution pipe cap ribs plate 4, and distribution pipe cap 3 tops are suitably chosen according to concrete device requirement to the distance of liquid distributing board 1 in 50～300mm, preferably, suitably choosing in 50～100mm, the present embodiment distribution pipe cap 3 tops are 80mm to the distance of liquid distributing board 1, distribution pipe cap 3 bottoms are 20mm to the distance of liquid distributing board 1, and distribution pipe cap 3 bottoms are that 18mm or 22mm all can to the distance of liquid distributing board 1.Distribution pipe cap 3 tops are 20mm to the distance on the top of distributor pipe 2, and distribution pipe cap 3 tops are that 18mm or 22mm all can to the distance on the top of distributor pipe 2.Annular gap between distribution pipe cap 3 and distributor pipe 2 is 20mm.
The blind plate 5 of distribution pipe cap upper end is fixedly welded on distribution pipe cap 3 tops.
As shown in Figure 3, liquid-liquid extraction packed tower weight phase apparatus for redistributing is arranged in liquid-liquid extraction packed tower, liquid-liquid extraction packed tower epimere filler is random packing, and hypomere filler is structured packing or random packing, and weight phase apparatus for redistributing is placed among epimere random packing.Not only can play to the random packing of top the effect of support, and can make weight reach mutually the effect evenly distributing again, and distributor pipe is placed in random packing, can play the effect of saving space in tower.
In the present embodiment, weight relies on mutually density contrast to assemble on distribution grid again and forms certain liq height, after gathering, be just easy to be uniformly distributed by weight phase distribution hole (or pipe), gently reach uniform distribution by the distributor pipe on liquid distributing board, heavy phase comes together on liquid distributing board and again distributes by the distribution hole on liquid distributing board through filler.By using liquid redistribution device to improve the effective ratio area of weight phase mass transfer, heat transfer, improve phase Contact, thereby improve the efficiency of tower.
The present invention can impel weight in packed tower evenly to distribute mutually by weight phase apparatus for redistributing again, increase heavy phase component and mass transfer, the heat-transfer effect of light phase component in tower, improve the efficiency of tower, thereby improved product purity and the yield of each component in liquid-liquid extraction tower.
Although the present invention discloses as above with preferred embodiment, so it is not in order to limit the present invention.Persond having ordinary knowledge in the technical field of the present invention, without departing from the spirit and scope of the present invention, when being used for a variety of modifications and variations.Therefore, protection scope of the present invention is when being as the criterion depending on claims person of defining.
Claims (10)
1. a liquid-liquid extraction packed tower weight phase apparatus for redistributing, is characterized in that: the blind plate (5) that comprises liquid distributing board (1), distributor pipe (2), distribution pipe cap (3), distribution pipe cap ribs plate (4), distribution pipe cap upper end; Described liquid distributing board (1) is rounded, and top is only uniformly distributed distributor pipe installing hole (6) for walking light phase and only for walking the heavy phase distribution hole (7) of heavy phase, and on distributor pipe installing hole (6), is welded with distributor pipe (2);
Described distribution pipe cap (3) is the pipe opened of two ends, it is upper to be located at distributor pipe (2) by distribution pipe cap ribs plate (4) fixed cover, and distributor pipe (2) top, bottom and liquid distributing board (1) interval setting, inwall and the setting of distributor pipe (2) outer wall interval are protruded in distribution pipe cap (3) top; The blind plate (5) of described distribution pipe cap upper end is fixedly welded on distribution pipe cap (3) top;
Described liquid-liquid extraction packed tower weight phase apparatus for redistributing is arranged in liquid-liquid extraction packed tower, described liquid-liquid extraction packed tower epimere filler is random packing, hypomere filler is structured packing or random packing, and described weight phase apparatus for redistributing is placed among epimere random packing.
2. a kind of liquid-liquid extraction packed tower weight phase apparatus for redistributing according to claim 1, is characterized in that: described distributor pipe installing hole (6) is 10～200 in the unit dropping point density of upper every square metre of liquid distributing board (1), and aperture is 30～200mm.
3. a kind of liquid-liquid extraction packed tower weight phase apparatus for redistributing according to claim 1, is characterized in that: described distributor pipe installing hole (6) is 50～100 in the unit dropping point density of upper every square metre of liquid distributing board (1), and aperture is 50～100mm.
4. a kind of liquid-liquid extraction packed tower weight phase apparatus for redistributing according to claim 1, is characterized in that: described heavy phase distribution hole (7) is 5～200 in the unit dropping point density of upper every square metre of liquid distributing board (1), and aperture is 30～200mm.
5. a kind of liquid-liquid extraction packed tower weight phase apparatus for redistributing according to claim 1, is characterized in that: described heavy phase distribution hole (7) is 50～100 in the unit dropping point density of upper every square metre of liquid distributing board (1), and aperture is 50～100mm.
6. a kind of liquid-liquid extraction packed tower weight phase apparatus for redistributing according to claim 1, is characterized in that: described distributor pipe (2) top is 50～300mm to the distance of liquid distributing board (1).
7. a kind of liquid-liquid extraction packed tower weight phase apparatus for redistributing according to claim 1, is characterized in that: described distributor pipe (2) top is 50～100mm to the distance of liquid distributing board (1).
8. a kind of liquid-liquid extraction packed tower weight phase apparatus for redistributing according to claim 1, it is characterized in that: described distribution pipe cap (3) top is 100～320mm to the distance of liquid distributing board (1), distribution pipe cap (3) bottom is 18-22mm to the distance of liquid distributing board (1), and the annular gap span between distribution pipe cap (3) and distributor pipe (2) is 21-23mm.
9. a kind of liquid-liquid extraction packed tower weight phase apparatus for redistributing according to claim 1, is characterized in that: described distribution pipe cap (3) top is 18-22mm to the distance on the top of distributor pipe (2).
10. a kind of liquid-liquid extraction packed tower weight phase apparatus for redistributing according to claim 1, is characterized in that: described distribution pipe cap (3) is welded and fixed by distribution pipe cap ribs plate (4) with distributor pipe (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410075608.0A CN103801109B (en) | 2014-03-03 | 2014-03-03 | A kind of liquid-liquid extraction packed tower weight phase apparatus for redistributing |
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| CN201410075608.0A CN103801109B (en) | 2014-03-03 | 2014-03-03 | A kind of liquid-liquid extraction packed tower weight phase apparatus for redistributing |
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| CN103801109A true CN103801109A (en) | 2014-05-21 |
| CN103801109B CN103801109B (en) | 2015-12-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105363388A (en) * | 2015-12-02 | 2016-03-02 | 中国天辰工程有限公司 | Multi-phase liquid distribution structure for tubular reactor |
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|---|---|---|---|---|
| CN101406761A (en) * | 2008-11-12 | 2009-04-15 | 天津大学 | Self-sealing apparatus for redistributing vapour and liquid |
| CN201752609U (en) * | 2010-07-30 | 2011-03-02 | 金川集团有限公司 | Gas-liquid separating device of gas-liquid separating tower |
| CN102527071A (en) * | 2012-01-18 | 2012-07-04 | 天津市创举科技有限公司 | Sandwich gas-liquid uniform jet tray |
| CN103100351A (en) * | 2011-11-10 | 2013-05-15 | 中国石油化工股份有限公司 | Gas-liquid distribution plate capable of reducing horizontal susceptibility |
| CN203750215U (en) * | 2014-03-03 | 2014-08-06 | 南京德邦金属装备工程股份有限公司 | Heavy and light phase redistribution device of liquid-liquid extraction packed tower |
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2014
- 2014-03-03 CN CN201410075608.0A patent/CN103801109B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101406761A (en) * | 2008-11-12 | 2009-04-15 | 天津大学 | Self-sealing apparatus for redistributing vapour and liquid |
| CN201752609U (en) * | 2010-07-30 | 2011-03-02 | 金川集团有限公司 | Gas-liquid separating device of gas-liquid separating tower |
| CN103100351A (en) * | 2011-11-10 | 2013-05-15 | 中国石油化工股份有限公司 | Gas-liquid distribution plate capable of reducing horizontal susceptibility |
| CN102527071A (en) * | 2012-01-18 | 2012-07-04 | 天津市创举科技有限公司 | Sandwich gas-liquid uniform jet tray |
| CN203750215U (en) * | 2014-03-03 | 2014-08-06 | 南京德邦金属装备工程股份有限公司 | Heavy and light phase redistribution device of liquid-liquid extraction packed tower |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105363388A (en) * | 2015-12-02 | 2016-03-02 | 中国天辰工程有限公司 | Multi-phase liquid distribution structure for tubular reactor |
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| CN103801109B (en) | 2015-12-02 |
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