CN103143238A - Pipe groove type liquid distributor applied to flue gas desulfurization tower - Google Patents
Pipe groove type liquid distributor applied to flue gas desulfurization tower Download PDFInfo
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- CN103143238A CN103143238A CN201310085364XA CN201310085364A CN103143238A CN 103143238 A CN103143238 A CN 103143238A CN 201310085364X A CN201310085364X A CN 201310085364XA CN 201310085364 A CN201310085364 A CN 201310085364A CN 103143238 A CN103143238 A CN 103143238A
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Abstract
The invention relates to a pipe groove type liquid distributor applied to a flue gas desulfurization tower. The pipe groove type liquid distributor is composed of a liquid inlet tube, a liquid distributing pipe, a first-stage groove and a second-stage groove which are engaged with each other, wherein the liquid distributing pipe is divided into two stages which are engaged up and down through a middle partition board with variable interval equant liquid distributing holes; a second-stage bottom surface is provided with equal interval equant liquid distributing holes and liquid sealing pipes; the outlet end of each liquid sealing pipe is provided with a buffer; the bottom of the first-stage groove is provided with the second-stage groove vertical to the first-stage groove in a long axis direction at the middle position between corresponding adjacent liquid sealing pipes; uniform section rectangular liquid distribution liquid sealing pipes respectively inserted in each second-stage groove are arranged at the bottom of the first-stage groove; upper and lower liquid discharge holes at equal intervals are formed in both side groove boards of the second-stage groove; an anti-blocking baffle board is arranged inside each upper liquid discharge hole, and a flow guide groove board correspondingly engaged with a wire distributing board is arranged outside each upper liquid discharge hole; and a liquid distributing board is arranged at the lower part of each lower liquid discharge hole of the second-stage groove. The pipe groove type liquid distributor has the characteristics of liquid distribution uniformity, impact foam generation prevention, entrainment prevention and blockage prevention, and can be widely applied to large, middle and small containers for absorption and distillation such as flue gas desulfurization.
Description
Technical field
The invention belongs to the tower internals of chemical filler tower, particularly relate to a kind of tube and tank type liquid distribution trough that is applied to fume desulfurizing tower.
Background technology
In order to reduce due to the caused enlarge-effect of the bad distribution of liquid, give full play to the efficient of filler, the essential liquid distribution trough of installing in packed tower is distributed in the packing layer top with making uniform liquid.
The performance of liquid distribution trough not only affects the uniformity of its cloth liquid and the mass-transfer efficiency of filler, and can the operating flexibility of packed tower be exerted an influence.Therefore, liquid distribution trough is one of internals very crucial in packed tower.
The kind of liquid distribution trough is many, and tubular liquid distributor and tank type liquid distributor are two kinds of universal distributors wherein.The tubular liquid distributor is made of the tube having holes of calandria or annular tube type, be speed change in isometrical tubular type liquid distribution trough flows due to liquid, being liquid reduces gradually along the flow velocity of its flow process, static pressure is respective change also, so there is more difficult, the susceptible to plugging defective of aperture of each aperture current-sharing output in the tubular liquid distributor.Tank type liquid distributor is made of one-level groove and secondary groove, and each secondary groove is connected in the bottom land of one-level groove, and the bottom land of one-level groove arranges the tap hole of respectively corresponding each secondary groove, and the bottom land in the secondary groove arranges deflector or mozzle.
Along with the new packing of function admirable is come out one after another and the deepening continuously of tower internals fundamental research, the version of Liquid Distribution in Packed Columns also has adaptive development.
The application for a patent for invention of number of patent application 201110145375.3 ' equalized flow liquid distributor ' discloses a kind of equalized flow liquid distributor that is applied on the film-lowering type heat transmission equipment, comprise liquid distributor, be provided with overflow launder on the feed liquor mouth of pipe of described liquid distributor, described liquid distributor is contained on the cloth liquid bath.By connecting plate, baffle liner is housed on described cloth liquid bath, on this baffle liner, deflector is housed.This technical scheme can make liquid flow on the tube sheet of film-lowering type heat transmission equipment through the even distribution of cloth liquid bath, liquid distributor and make each heat exchanger tube institute cloth uniform liquid, has avoided other form liquid distributor problem, the problem includes: liquid distribution is uneven and easily stop up and be sprayed onto the problem such as shell wall.
Accompanying drawing in conjunction with technique scheme can be found out, the liquid distributor of above-mentioned calandria is connected in the bottom of cloth liquid bath, the pipe end that is arranged in each liquid distributor of cloth liquid bath arranges respectively overflow launder, baffle liner and the deflector thereof of cloth liquid bath top are connected with feed tube, if with baffle liner and deflector thereof be considered as the one-level groove, the cloth liquid bath is considered as the secondary groove, technique scheme is in fact a kind of trough-pipe type liquid distribution trough with respect to feed tube.
Summary of the invention
The objective of the invention is to disclose a kind of cloth liquid evenly and have that the protecting against shock foam produces, anti-mist is carried under one's arms, the anticlogging tube and tank type liquid distribution trough that is applied to fume desulfurizing tower.
the present invention takes following technical scheme for achieving the above object: this tube and tank type liquid distribution trough comprises the one-level groove of feed tube and tank type liquid distributor, the secondary groove, feature is, this liquid distribution trough is by the feed tube that is connected successively, liquid distribution pipe, the one-level groove, the secondary groove consists of, described liquid distribution pipe is divided into first order liquid distribution pipe and the second level liquid distribution pipe that is connected up and down by central dividing plate, feed tube is connected in the axial equally divided position of first order liquid distribution pipe, described central dividing plate arranges span by the close isometrical liquid distributing hole of changing distance of dredging that becomes gradually in the bilateral symmetry of corresponding feed tube axis, the bottom surface of described second level liquid distribution pipe is axially arranged with uniformly-spaced isometrical liquid distributing hole along it, the aperture of the isometrical liquid distributing hole of changing distance is greater than the aperture of isometrical liquid distributing hole uniformly-spaced, liquid distribution pipe bottom surface, the second level is provided with respectively corresponding each liquid sealing pipe of isometrical liquid distributing hole uniformly-spaced, the port of export of each liquid sealing pipe all is positioned at below one-level groove minimum level, be equipped with buffer below the outlet of described each liquid sealing pipe, described buffer is kept off along consisting of with the gear edge that is positioned at the chassis upper edge hole or symmetrical part by circular or rectangular chassis, center chassis is corresponding with the axle center of liquid sealing pipe, crosses the length of the short lines of center chassis greater than the diameter of liquid sealing pipe, the middle position of the bottom land of described one-level groove between the adjacent liquid sealing pipe of correspondence is provided with long axis direction perpendicular to the secondary groove of one-level groove, the bottom land of one-level groove is provided with the separatory liquid sealing pipe of the uiform section rectangle that gos deep into respectively each secondary groove, the upper port of described separatory liquid sealing pipe sealing and higher than one-level groove bottom land, its symmetrical long side plate of separatory liquid sealing pipe upper end that is arranged in the one-level groove is provided with the outage of level, the upper and lower of described secondary groove both sides frid be respectively equipped with equally spaced on, lower fluid hole, upper fluid hole inboard is respectively equipped with the anti-blocking baffle plate that is made of trough plate, the flat board of trough plate is corresponding with upper fluid hole, the riser of dull and stereotyped both sides is fixed in the both sides of fluid hole, on each, outside of fluid hole is respectively equipped with downward-sloping water conservancy diversion frid, each water conservancy diversion frid respectively with the corresponding linking of line distribution grid that is supported on secondary groove both sides frid, be provided with the liquid distribution plate of level between the secondary groove both sides frid of lower fluid hole bottom, the separatory liquid sealing pipe of described liquid distribution plate and one-level groove intersects, the liquid distribution plate of separatory liquid sealing pipe both sides is evenly equipped with open-work.
The present invention can also take following technical measures:
The upper and lower fluid hole upper-lower position of described secondary groove both sides frid is corresponding, and the diameter range of upper fluid hole is ф=8-12mm.
Described secondary groove bottom land cross section is isosceles right triangle.
Beneficial effect of the present invention and advantage are: this tube and tank type liquid distribution trough is the gravity-type liquid distribution trough, relies on liquid level to promote to pass corresponding aperture and reaches all requirements such as even stable operation of liquid distribution.This liquid distribution trough is comprised of feed tube and up and down two-stage type liquid distribution pipe, one-level groove and secondary groove three parts, and the two-stage type liquid distribution pipe has solved the more difficult disadvantage of each distribution hole current-sharing output that existing liquid distribution pipe speed change flows and causes effectively.Liquid distribution pipe is placed on the one-level groove, makes uniform liquid ground inflow one-level groove by each liquid sealing pipe, can avoid affecting because of the severe impact of liquid the stable state of liquid layer.The liquid that enters into the one-level groove is pro rata distributed each following secondary groove by the separatory liquid sealing pipe again, and is last by each secondary groove packing layer that being distributed to of uniform liquid is following.By three grades of cloth liquid, improved the liquid distribution uniformity, thereby guaranteed the separative efficiency of filler.Each liquid sealing pipe of this liquid distribution trough is equipped with buffer, has effectively reduced flow rate of liquid and has changed liquid flow direction, therefore avoided the liquid of liquid distribution pipe to the impact foaming of the upper surface generation of one-level tank liquor layer.Each separatory liquid sealing pipe of this liquid distribution trough is transported to respectively each secondary groove liquid distribution plate below with the liquid of one-level groove, by liquid distribution plate, uniform liquid is assigned to each cross section of secondary groove, not only be conducive to the raising of the liquid distribution uniformity, also avoided the liquid that the one-level concentrated flow goes out to produce the impact foaming to secondary tank liquor layer upper surface.The structure of each liquid sealing pipe of this liquid distribution trough and buffer thereof, separatory liquid sealing pipe and liquid distribution plate can thoroughly prevent from impacting the generation of foam, and then has prevented the liquid escape loss that entrainment causes.in the normal situation of operation, the liquid distribution hole of each secondary groove by its underpart is sprayed onto liquid and forms line on the line distribution grid and distribute, uniform liquid is distributed in following packing layer, if the liquid distribution hole generation of secondary groove bottom is stopped up or traffic load surpasses the operation upper limit, the liquid level in the secondary groove will be brought up to the upper fluid hole of secondary groove, the easily stifled booty that floats over the liquid layer surface is shielded in outside anti-blocking baffle plate, clean liquid will be by upper fluid hole, the water conservancy diversion frid arrives the line distribution grid, at last, liquid is evenly distributed in following packing layer through the line distribution grid.As seen, said structure can thoroughly prevent the clogging that the secondary groove might occur, so strong assurance the even distribution of liquid.The present invention have cloth liquid evenly, the protecting against shock foam produces, anti-mist is carried under one's arms and anticlogging performance, improved efficient and the production capacity of tower and extended life cycle, can be widely used in that flue gas desulfurization etc. absorbs and the large, medium and small tower of distillation in.That the present invention has is rational in infrastructure, it is simple to make, it is reliable to install easily, use, overhaul outstanding advantages easily.
Description of drawings
Accompanying drawing 1 is the example structure partial cutaway schematic.
Accompanying drawing 2 is one of buffer structure schematic diagrames.
Accompanying drawing 3 is two schematic diagrames of buffer structure.
Accompanying drawing 4 is the local secondary groove of Fig. 1 amplification profile schematic diagrames.
Mark in figure: 1 feed tube, 2 liquid distribution pipes, 2-1 central dividing plate, 2-2 first order liquid distribution pipe, 2-3 second level liquid distribution pipe, 2-4 is isometrical liquid distributing hole uniformly-spaced, the isometrical liquid distributing hole of 2-5 changing distance, 3 liquid sealing pipes, 4 buffers, 4-1 keeps off the edge, local edge, the 5 one-level grooves of keeping off of 4-2,6 separatory liquid sealing pipes, 6-1 outage, 7 water conservancy diversion frids, 8 secondary grooves, the upper fluid hole of 8-1, fluid hole under 8-2,8-3 bottom land, 9 line distribution grids, 10 anti-blocking baffle plates, 11 liquid distribution plates, 12 gripper shoes.
The specific embodiment
Further illustrate the present invention below in conjunction with embodiment and accompanying drawing thereof.
As Fig. 1,2,3,4 illustrated embodiments, this liquid distribution trough is made of the feed tube 1, liquid distribution pipe 2, one-level groove 5, the secondary groove 8 that are connected successively.
Liquid distribution pipe 2 is by being that axial central dividing plate 2-1 is divided into first order liquid distribution pipe 2-2 and the second level liquid distribution pipe 2-3 that is connected up and down with respect to liquid distribution pipe, and feed tube 1 is connected in the axial equally divided position of first order liquid distribution pipe 2-2.
Central dividing plate 2-1 arranges span by the close isometrical liquid distributing hole 2-5 of changing distance that dredges that becomes gradually in the bilateral symmetry of corresponding feed tube axis, the bottom surface of second level liquid distribution pipe 2-3 is axially arranged with uniformly-spaced isometrical liquid distributing hole 2-4 along it, and the aperture of the isometrical liquid distributing hole 2-5 of changing distance is greater than the aperture of isometrical liquid distributing hole 2-4 uniformly-spaced.The second level its minimum level of liquid distribution pipe 2-3 of embodiment should be greater than 40 mm, the highest liquid level the when height of second level liquid distribution pipe 2-3 should be greater than maximum liquid load.
Liquid distribution pipe 2-3 bottom surface, the second level is provided with respectively corresponding each liquid sealing pipe 3 of isometrical liquid distributing hole 2-4 uniformly-spaced, and the port of export of each liquid sealing pipe all is positioned at below one-level groove 5 minimum levels.
Be equipped with buffer 4 below the outlet of each liquid sealing pipe 3, one of structure of buffer 4 as shown in Figure 2, it is made of along 4-1 the chassis of circle and the gear that is positioned at the chassis upper edge hole, center chassis is corresponding with the axle center of liquid sealing pipe 3.
The structure of buffer 4 two as shown in Figure 3, it is made of along 4-2 rectangular chassis and the part gear that is positioned at chassis upper edge hole symmetry, center chassis is corresponding with the axle center of liquid sealing pipe 3, buffer 4 employing structures shown in Figure 3 embodiment illustrated in fig. 1.
Each buffer 4 its length of crossing the short lines of center chassis shown in Fig. 2,3 should be greater than the diameter of liquid sealing pipe 3 shown in Figure 1.
As Fig. 1,4,5 illustrated embodiments, the middle position of the bottom land of one-level groove 5 between the adjacent liquid sealing pipe 3 of correspondence is provided with long axis direction perpendicular to the secondary groove 8 of one-level groove, and the bottom land of one-level groove 5 is provided with the separatory liquid sealing pipe 6 of the uiform section rectangle that gos deep into respectively each secondary groove 8.Described separatory liquid sealing pipe 6 upper port sealings and higher than one-level groove bottom land 60-80mm, its the symmetrical long side plate of separatory liquid sealing pipe upper end that is arranged in the one-level groove is provided with horizontal outage 6-1, and the distance of the outage 6-1 center of circle and separatory liquid sealing pipe upper port is that 30-40mm gets final product.
As Fig. 1,4,5 illustrated embodiments, secondary groove 8 is that bottom land 8-3 cross section is the narrow groove of isosceles right triangle, groove width 40-80mm, the high 200-300mm of groove, the upper and lower of both sides frid is respectively equipped with equally spaced upper fluid hole 8-1 and lower fluid hole 8-2, upper and lower fluid hole upper-lower position is corresponding, and the diameter range of upper fluid hole 8-1 is ф=8-12mm, and lower fluid hole 8-2 obtains by aperture lifting rate formula according to concrete technical conditions and the requirement of tower in the aperture.
On each, fluid hole 8-1 inboard is respectively equipped with the anti-blocking baffle plate 10 that is made of trough plate, and the flat board of trough plate is corresponding with upper fluid hole, and the riser of dull and stereotyped both sides is fixed in the both sides of fluid hole.On each, outside of fluid hole 8-1 is respectively equipped with the water conservancy diversion frid 7 of inclination, the corresponding linking of line distribution grid 9 of each water conservancy diversion frid and corresponding secondary groove 8 both sides, and line distribution grid 9 is supported in secondary groove both sides frid by gripper shoe 12.
Be provided with the liquid distribution plate 11 of level between the both sides frid of the lower fluid hole 8-2 bottom of secondary groove 8, the separatory liquid sealing pipe 6 of liquid distribution plate and one-level groove 5 intersects, and the liquid distribution plate of separatory liquid sealing pipe 6 both sides is evenly equipped with the open-work (not shown).
Claims (3)
1. be applied to the tube and tank type liquid distribution trough of fume desulfurizing tower, the one-level groove that comprises feed tube and tank type liquid distributor, the secondary groove, it is characterized in that: this liquid distribution trough is by the feed tube that is connected successively, liquid distribution pipe, the one-level groove, the secondary groove consists of, described liquid distribution pipe is divided into first order liquid distribution pipe and the second level liquid distribution pipe that is connected up and down by central dividing plate, feed tube is connected in the axial equally divided position of first order liquid distribution pipe, described central dividing plate arranges span by the close isometrical liquid distributing hole of changing distance of dredging that becomes gradually in the bilateral symmetry of corresponding feed tube axis, the bottom surface of described second level liquid distribution pipe is axially arranged with uniformly-spaced isometrical liquid distributing hole along it, the aperture of the isometrical liquid distributing hole of changing distance is greater than the aperture of isometrical liquid distributing hole uniformly-spaced, liquid distribution pipe bottom surface, the second level is provided with respectively corresponding each liquid sealing pipe of isometrical liquid distributing hole uniformly-spaced, the port of export of each liquid sealing pipe all is positioned at below one-level groove minimum level, be equipped with buffer below the outlet of described each liquid sealing pipe, described buffer is kept off along consisting of with the gear edge that is positioned at the chassis upper edge hole or symmetrical part by circular or rectangular chassis, center chassis is corresponding with the axle center of liquid sealing pipe, crosses the length of the short lines of center chassis greater than the diameter of liquid sealing pipe, the middle position of the bottom land of described one-level groove between the adjacent liquid sealing pipe of correspondence is provided with long axis direction perpendicular to the secondary groove of one-level groove, the bottom land of one-level groove is provided with the separatory liquid sealing pipe of the uiform section rectangle that gos deep into respectively each secondary groove, the upper port of described separatory liquid sealing pipe sealing and higher than one-level groove bottom land, its symmetrical long side plate of separatory liquid sealing pipe upper end that is arranged in the one-level groove is provided with the outage of level, the upper and lower of described secondary groove both sides frid be respectively equipped with equally spaced on, lower fluid hole, upper fluid hole inboard is respectively equipped with the anti-blocking baffle plate that is made of trough plate, the flat board of trough plate is corresponding with upper fluid hole, the riser of dull and stereotyped both sides is fixed in the both sides of fluid hole, on each, outside of fluid hole is respectively equipped with downward-sloping water conservancy diversion frid, each water conservancy diversion frid respectively with the corresponding linking of line distribution grid that is supported on secondary groove both sides frid, be provided with the liquid distribution plate of level between the secondary groove both sides frid of lower fluid hole bottom, the separatory liquid sealing pipe of described liquid distribution plate and one-level groove intersects, the liquid distribution plate of separatory liquid sealing pipe both sides is evenly equipped with open-work.
2. tube and tank type liquid distribution trough according to claim 1 is characterized in that: the upper and lower fluid hole upper-lower position of described secondary groove both sides frid is corresponding, and the diameter range of upper fluid hole is ф=8-12mm.
3. tube and tank type liquid distribution trough according to claim 1, it is characterized in that: described secondary groove bottom land cross section is isosceles right triangle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310085364.XA CN103143238B (en) | 2013-03-18 | 2013-03-18 | Pipe groove type liquid distributor applied to flue gas desulfurization tower |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310085364.XA CN103143238B (en) | 2013-03-18 | 2013-03-18 | Pipe groove type liquid distributor applied to flue gas desulfurization tower |
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| Publication Number | Publication Date |
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| CN103143238A true CN103143238A (en) | 2013-06-12 |
| CN103143238B CN103143238B (en) | 2015-06-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310085364.XA Active CN103143238B (en) | 2013-03-18 | 2013-03-18 | Pipe groove type liquid distributor applied to flue gas desulfurization tower |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103521161A (en) * | 2013-09-30 | 2014-01-22 | 天津大学 | Reinforced bending groove type liquid distributor |
| CN111514823A (en) * | 2020-06-15 | 2020-08-11 | 江西省鸿信化工填料有限责任公司 | Liquid distributor of chemical packed tower |
| CN114130164A (en) * | 2021-11-25 | 2022-03-04 | 萍乡市群星化工陶瓷总厂 | Redistribution device for desulfurization waste liquid absorption tower |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4909967A (en) * | 1988-11-03 | 1990-03-20 | Glitsch, Inc. | Liquid distributor assembly for packed tower |
| CN201105171Y (en) * | 2007-10-23 | 2008-08-27 | 浙江工业大学 | Deflection of jet type gas-liquid cross flow type ultra-gravitational field swinging bed device |
| CN201940154U (en) * | 2010-12-24 | 2011-08-24 | 沈阳隆达环保节能集团有限公司 | Air distribution and mass transfer device of desulfurizing tower |
| CN203155056U (en) * | 2013-03-18 | 2013-08-28 | 天津天大天久科技股份有限公司 | Pipe-trough liquid distributor of flue gas desulfurization tower |
-
2013
- 2013-03-18 CN CN201310085364.XA patent/CN103143238B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4909967A (en) * | 1988-11-03 | 1990-03-20 | Glitsch, Inc. | Liquid distributor assembly for packed tower |
| CN201105171Y (en) * | 2007-10-23 | 2008-08-27 | 浙江工业大学 | Deflection of jet type gas-liquid cross flow type ultra-gravitational field swinging bed device |
| CN201940154U (en) * | 2010-12-24 | 2011-08-24 | 沈阳隆达环保节能集团有限公司 | Air distribution and mass transfer device of desulfurizing tower |
| CN203155056U (en) * | 2013-03-18 | 2013-08-28 | 天津天大天久科技股份有限公司 | Pipe-trough liquid distributor of flue gas desulfurization tower |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103521161A (en) * | 2013-09-30 | 2014-01-22 | 天津大学 | Reinforced bending groove type liquid distributor |
| CN111514823A (en) * | 2020-06-15 | 2020-08-11 | 江西省鸿信化工填料有限责任公司 | Liquid distributor of chemical packed tower |
| CN111514823B (en) * | 2020-06-15 | 2022-04-19 | 磐石重工(青岛)股份有限公司 | Liquid distributor of chemical packed tower |
| CN114130164A (en) * | 2021-11-25 | 2022-03-04 | 萍乡市群星化工陶瓷总厂 | Redistribution device for desulfurization waste liquid absorption tower |
| CN114130164B (en) * | 2021-11-25 | 2024-05-07 | 萍乡市群星化工陶瓷总厂 | Redistribution device for desulfurization waste liquid absorption tower |
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| Publication number | Publication date |
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| CN103143238B (en) | 2015-06-10 |
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