CN103028355A - Full overflow tank type liquid distributor - Google Patents
Full overflow tank type liquid distributor Download PDFInfo
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- CN103028355A CN103028355A CN2012105752782A CN201210575278A CN103028355A CN 103028355 A CN103028355 A CN 103028355A CN 2012105752782 A CN2012105752782 A CN 2012105752782A CN 201210575278 A CN201210575278 A CN 201210575278A CN 103028355 A CN103028355 A CN 103028355A
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- liquid
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- dashpot
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Abstract
The invention discloses a full overflow tank type liquid distributor which comprises liquid distribution pipes, a buffer tank, a primary tank, liquid distribution boxes, secondary tanks, baffles, connecting plates, liquid receiving boxes and liquid guide plates, and is characterized in that the primary tank is internally provided with two longitudinal partitions parallel to two walls of the primary tank, and a designed quantity of transverse partitions; identical gaps are formed among the longitudinal partitions and the two side walls of the primary tank; the transverse partitions are arranged between the two longitudinal partitions and are perpendicular to the longitudinal partitions; a double right-angle folded plate is arranged between every two adjacent transverse partitions; each liquid distribution box combined by two wide-top and narrow-bottom rectangular cross sections is formed between each double right-angle folded plate and each transverse partition; a concave overflow port is formed at the upper edge of each double right-angle folded plate; the widths of the liquid distribution boxes and the buffer tank are identical; and liquid outflow modes of the primary tank and the secondary tanks are overflow modes, that is the outflow direction of liquid is opposite to the sedimentation directions of material granules.
Description
Technical field
The present invention relates to a kind of packed tower internals of chemical field, be specially a kind of full overflow groove type liquid distribution trough.This distributor is particularly useful for susceptible to plugging feed separation.
Background technology
In the packed tower design, correct, good selection filler and tower internals are related to the success or failure of technological operation, and especially after equipment filler type selecting, the tower internals that is complementary with it is designed to the key of packed tower design.As the vitals in the packed tower, require distributor have low, the anti-obstruction of good distribution effect, pressure drop, cheap, make easy for installation, so the structure of distributor plays an important role to the operation of packed tower.
Distributor type common in the prior art has several forms such as tubular type, slot type, disc type.Tank type liquid distributor has the advantages such as simple in structure, easy for installation, is widely used.Traditional tank type liquid distributor is provided with one-level groove and secondary groove, during work liquid through liquid distributor and on distribution arms enter in the one-level groove, liquid in the one-level groove is assigned in some and the secondary groove that the one-level groove is communicated with by liquid distributing hole again, and final liquid is distributed to the filler top layer through the liquid distributing hole of secondary groove again.The power that one-level groove, secondary tank liquid go out stream is the fluid column static pressure, thereby liquid distributing hole all is located at the lower end of groove.Hydraulic shock liquid level when liquid injects the one-level groove, the liquid measure that adds each distribution arms discharge is inhomogeneous, make that liquid level is not contour everywhere, because the fluid column static pressure is the power that one-level groove, secondary tank liquid are discharged, thereby not contour each the secondary groove that makes of liquid level can not obtain rational liquid measure; Each secondary groove is also owing to similar reason, and the liquid measure that each liquid distributing hole is discharged is inhomogeneous.Simultaneously, because the liquid of one-level groove and secondary groove is discharged all take the fluid column static pressure as power, therefore be located at the liquid distributing hole of one-level groove and secondary trench bottom, easily cause stopping up.
Also having a kind of secondary groove is overflow type, the one-level groove is still take the groove type distributor of fluid column static pressure as the liquid discharge mobilization force, although its secondary groove has overcome obstruction, but still there is obstruction in the one-level groove, is a kind of non-full overflow groove type distributor, and owing to not stablizing the structure of liquid level, make cloth liquid inhomogeneous, therefore, cloth liquid quality is still not high, can not be used for High Efficient Standard Packing and separate with accurate.
Summary of the invention
For the existing deficiency of prior art, technical problem to be solved by this invention is that a kind of full overflow groove type liquid distribution trough is provided.The stream mode that goes out of this distributor one-level groove, secondary groove all adopts the overflow mode, i.e. the precipitation opposite direction that goes out flow path direction and material particles of liquid, the obstruction of effectively having avoided head piece; It is simple in structure, and cost is lower, is suitable for easily blocking up system, High Efficient Standard Packing and precision and separates.
The technical scheme that the present invention solve the technical problem is: design a kind of full overflow groove type liquid distribution trough, comprise liquid distributor, dashpot, one-level groove, cloth liquid box, secondary groove, baffle plate, connecting plate, be subjected to liquid box and draining plate; Liquid distributor is columnar structured, and a plurality of liquid distributors stretch in the dashpot; Dashpot is installed on the one-level groove, the corresponding one-level groove of dashpot, and the left and right sides of one-level groove is furnished with baffle plate, and baffle plate links to each other with the one-level groove, and height is a little more than dashpot; The secondary groove is positioned at below the one-level groove, with one-level groove at right angle setting, and the draining plate that the useful connecting plate in the sidewall both sides of secondary groove connects.
Leave identical space between the diaphragm plate that parallel with one-level groove cell wall two midfeathers and design quantity are arranged in the described one-level groove, midfeather and one-level groove two side, diaphragm plate is arranged vertically with midfeather between two midfeathers; Between two adjacent diaphragm plates, be designed with two right angles flap, consist of the cloth liquid box that two rectangular cross sections wide at the top and narrow at the bottom make up between this pair right angle flap and a diaphragm plate, and the top edge of two right angles flap has a spill overfall; Cloth liquid box is identical with the width of dashpot;
The current stabilization screen that the uniform arrangement of design quantity is arranged in the described secondary groove, current stabilization screen vertically are across on the wall of the secondary groove left and right sides, and current stabilization screen bottom is connectivity structure; Symmetry has cloth liquid mouth on the secondary groove two side between adjacent two blocks of current stabilization screens, every corresponding one group of cloth liquid mouth of current stabilization screen; Two sidewalls of adjacent two blocks of current stabilization screens and secondary groove form one and are subjected to the liquid box; Described liquid distributor extend into the bottom of dashpot; The cloth liquid box of described one-level groove extend into being subjected in the liquid box of secondary groove;
The liquid outflow mode of described one-level groove and secondary groove is overflow, i.e. the precipitation opposite direction that goes out flow path direction and material particles of liquid.
Compared with prior art, the present invention has the following advantages:
1, the liquid outflow mode of one-level groove, secondary groove is overflow, the precipitation opposite direction that goes out flow path direction and material particles of liquid namely, and the obstruction of having avoided head piece is particularly useful for easily blocking up material.
2, liquid distributor extend into the dashpot bottom, has avoided that liquid distributor goes out flowing liquid to the impact of liquid level in the dashpot in the conventional art, makes the liquid surface held stationary; Simultaneously, liquid up rises from the dashpot bottom, from the lateral plate overflowing of dashpot, uses the flowing liquid uniform and stable.
3, the one-level groove arranges midfeather, secondary groove and current stabilization screen, liquid distributor are set extend into that the dashpot operating fluid level is following, cloth liquid box extend into secondary groove operating fluid level with inferior structural design, avoided the impact of liquid to liquid level, make the overflow uniform and stable of the overfall of secondary groove sidewall upper, guaranteed liquid level stabilizing, make cloth liquid even, be specially adapted to easily block up in system, High Efficient Standard Packing and accurate the separation.
4, because the obstruct of midfeather kept the stable of the inboard liquid level of midfeather, thereby the liquid that makes overflow enter cloth liquid box has kept stable.
5, the secondary groove is provided with the current stabilization screen, if in the secondary groove fluctuate to some extent in any position of liquid level, all can be subject to the damping of current stabilization screen, thereby the liquid level in the secondary groove is tended towards stability;
The present invention is owing to possessing above advantage, so that finally be distributed to uniform liquid on the filler from the secondary groove, and the head piece that goes out of one-level groove, secondary groove has all been avoided obstruction.
Description of drawings
Fig. 1 is the front view structural representation of a kind of embodiment of the full overflow groove type liquid distribution trough of the present invention;
Fig. 2 is the top view structural representation of a kind of embodiment of the full overflow groove type liquid distribution trough of the present invention;
Fig. 3 is the dashpot perspective view of a kind of embodiment of the full overflow groove type liquid distribution trough of the present invention, knows among Fig. 3 to have represented that liquid distributor extend into the substructure of dashpot;
Fig. 4 is the one-level groove perspective view of a kind of embodiment of the full overflow groove type liquid distribution trough of the present invention;
Fig. 5 is the secondary groove perspective view of a kind of embodiment of the full overflow groove type liquid distribution trough of the present invention;
Fig. 6 is the front view structure A-A cutaway view of a kind of embodiment of the full overflow groove type liquid distribution trough of the present invention; This figure has also represented the operation principle of distributor of the present invention;
Fig. 7 is the top view structural representation of the another kind of embodiment of the full overflow groove type liquid distribution trough of the present invention, and the dashpot of this embodiment and one-level groove respectively are uniform 2.
The specific embodiment
The present invention will be further described below in conjunction with embodiment and accompanying drawing thereof:
The full overflow groove type liquid distribution trough of the present invention's design (being called for short distributor, referring to Fig. 1-7) mainly comprises liquid distributor 1, dashpot 2, one-level groove 3, cloth liquid box 5, secondary groove 7, baffle plate 9, is subjected to liquid box 11 and draining plate 12; Liquid distributor 1 is columnar structured, stretches in the dashpot 2; Dashpot 2 is installed on the one-level groove 3, dashpot 2 corresponding one-level grooves 3, and the left and right sides of one-level groove 3 is furnished with respectively baffle plate 9, and baffle plate 9 links to each other with one-level groove 3, and height is a little more than the upper port plane of dashpot 2; Secondary groove 7 is positioned at below the one-level groove 3, with one-level groove 3 at right angle settings, there is draining plate 12 sidewall 71 both sides of secondary groove 7, be connected with connecting plate 10 between draining plate 12 and the secondary groove 7, it is characterized in that having in the described one-level groove 3 diaphragm plate 6 of parallel with one-level groove sidewall 31 two midfeathers 4 and design quantity, leave identical space between midfeather 4 and the one-level groove two side 31, diaphragm plate 6 is arranged vertically with midfeather 4 between two midfeathers 4; Between two adjacent diaphragm plates 6, be designed with two right angles flap 51, consist of the cloth liquid box 5 that two rectangular cross sections wide at the top and narrow at the bottom make up between this pair right angle flap 51 and a diaphragm plate 6, and the top edge of two right angles flap 51 has a spill overfall 14; Cloth liquid box 5 is identical with the width of dashpot 2; The current stabilization screen 8 that the uniform arrangement of design quantity is arranged in the secondary groove 7, current stabilization screen 8 vertically are across on secondary groove 7 left and right sides walls 71, and current stabilization screen 8 bottoms are connectivity structure; Symmetry has cloth liquid mouth 13 on the secondary groove two side 71 between adjacent two blocks of current stabilization screens 8, every current stabilization screen 8 corresponding one group of cloth liquid mouth 13; Two sidewalls of adjacent two blocks of current stabilization screens 8 and secondary groove 7 form one and are subjected to liquid box 11; Described liquid distributor 1 extend into the bottom of dashpot 2; The cloth liquid box 5 of described one-level groove extend into being subjected in the liquid box 11 of secondary groove 7;
The liquid outflow mode of described one-level groove 3 and secondary groove 7 is overflow, i.e. the precipitation opposite direction that goes out flow path direction and material particles of liquid.
The outer shape of the liquid distributor 1 in the embodiment of the invention, dashpot 2, one-level groove 3, secondary groove 7 and arrange same as the prior artly, its quantity is: 8 liquid distributors 1,1 dashpot 2,1 group of one- level groove 3,12 secondary grooves 7; Because being subjected to liquid box 11, cloth liquid box 5 identical with the quantity of secondary groove 7, then being subjected to the value of liquid box 11 and cloth liquid box 5 also is 12; Respectively there is 1 baffle plate 9 one-level groove 3 both sides; Respectively there is 1 draining plate 12 secondary groove 7 both sides; Because of 1 group of current stabilization screen, 8 corresponding 1 pair of cloth liquid mouth 13, during design in the quantity of cloth liquid mouth 13 and the prior art cloth liquid point on the secondary groove identical, then obtain cloth liquid by technology Calculation in the prior art and count, then can try to achieve the quantity of cloth liquid mouth 13, thereby design the quantity of current stabilization screen 8; Current stabilization screen 8 upper ends are concordant with secondary groove 7 upper ends in the present embodiment, and the lower end is lower than 13 times 5mm～10mm of cloth liquid mouth; As shown in Figure 6, liquid distributor 1 lower end is L apart from the distance of dashpot 2 bottoms in the present embodiment
1, L
1Value is relevant with the internal diameter of liquid distributor 1, i.e. L
1〉=D/4, D are the internal diameter of liquid distributor 1; Cloth liquid box 5 lower ends are L apart from secondary groove 7 bottoms distance
2, L
2The length of value and square-section, cloth liquid box bottom and wide relevant, i.e. L
2〉=ab/ (2a+2b), a, b are respectively the length of square-section, liquid distributor 1 bottom and wide; Diaphragm plate with the spill overfall in the one-level groove is identical with the midfeather height, and the bottom distance of itself and one-level groove is L
3, general value is no more than 40mm; The above L
1And L
2Can calculate with respective formula according to the constant principle of flow and obtain, calculating numerical value is minimum of a value, need consider also simultaneously that when design dashpot bottom and one-level trench bottom allow the sediment thickness that accumulates, the sediment thickness value is relevant with the distributor designs of the present invention life-span; Cloth liquid box extend into the position that is subjected in the liquid box and should be below the operating fluid level, namely L
2Value should be lower than operating fluid level.
The height of described baffle plate 9 is higher than the upper port plane 20mm of dashpot 2; The width value of matrix overfall 14 is the 40%-80% of one-level groove diaphragm plate width, and its degree of depth and fluid flow, liquid flooding height, matrix overfall 14 width are relevant, are gone out by the relevant overflow derivation of equation; Cloth liquid mouth 13 is rectangle in the present embodiment, its wide general value 10mm～20mm, and its degree of depth and fluid flow, liquid flooding height, cloth liquid mouth width are relevant, are gone out by the relevant overflow derivation of equation.
Change according to fluid flow, for improving operating flexibility, described cloth liquid mouth 13 can be designed to rectangle, trapezoidal or del.
Described current stabilization screen 8 upper ends are concordant with secondary groove 7, and lower end position is lower than that 10mm is advisable under the cloth liquid mouth.
According to the size of tower diameter, dashpot 2 and one-level groove 3 can be 2～4 among the present invention; Secondary groove 7 is design quantity, and is the same with existing groove type distributor Technology design, and design quantity secondary groove is arranged parallel to each other circular, and becomes left-right symmetry with central axis, is not quite similar according to every secondary slot length of residing chord length.The position is arranged identical with tank type liquid distributor design in the prior art in the contour structures of described dashpot 2, one-level groove 3, secondary groove 7, outside design size, quantity, separation, the distributor.
The operation principle of distributor of the present invention is (referring to Fig. 6): liquid enters dashpot 2 by liquid distributor 1, because the mouth of pipe of liquid distributor 1 is near the bottom of dashpot 2, liquid flows out from the bottom up to turn back by deadweight and reaches that the side overflow from dashpot 2 enters gap between following one-level groove 3 and the cloth liquid box behind dashpot 2 tops, and dashpot 2 next doors have baffle plate 9 to prevent that liquid from splashing outward; After liquid enters one-level groove 3, because form diaphragm plate 6 and midfeather 4 bottoms of cloth liquid box 5 first halves space is arranged, its height value is L
3, liquid enters cloth liquid box 5 from the gap by the spill overfall 14 on the diaphragm plate 6, because cloth liquid box 5 bottoms extend into being subjected in the liquid box 11 of secondary groove 7, liquid namely enters and is subjected to liquid box 11, thereby enters secondary groove 7; In secondary groove 7, be connected with current stabilization screen 8 bottoms by liquid box 11 bottoms, again because the damping action of current stabilization screen 8, so that secondary groove 7 respectively holds uniform liquid to distribute, after reaching a certain height, the liquid levels in the secondary groove 7 enters the packing layer of secondary groove 7 bottoms by the cloth liquid mouth 13 on the secondary groove 7.
Practical application effect shows, distributor of the present invention is full overflow mode because the fluid mode adopts, and has guaranteed that fluid level cloth liquid is even, has simultaneously preferably anti-clogging, solve the problems such as large, the easy obstruction of gradient of liquid level that exist in the prior art, improved the mass transfer separative efficiency of packed tower.Be applicable to easily stop up in material, High Efficient Standard Packing and accurate the separation.
Liquid of the present invention is in the process of circulation, according to different liquids character, because of the liquid gravity effect, may three grades of precipitations occur at dashpot bottom, one-level trench bottom, secondary trench bottom etc., after the precipitation through dashpot and one-level groove, so that liquid reaches secondary groove postprecipitation seldom, almost do not have, compared with prior art, greatly prolonged the service life of secondary groove; In like manner, the projected depth of secondary groove also can be lower than the projected depth of secondary groove in the prior art, has saved material cost.
The present invention does not address part and is applicable to prior art.
Claims (4)
1. a full overflow groove type liquid distribution trough comprises liquid distributor, dashpot, one-level groove, cloth liquid box, secondary groove, baffle plate, connecting plate, is subjected to liquid box and draining plate; Liquid distributor is columnar structured, and a plurality of liquid distributors stretch in the dashpot; Dashpot is installed on the one-level groove, the corresponding one-level groove of dashpot, and the left and right sides of one-level groove is furnished with baffle plate, and baffle plate links to each other with the one-level groove, and height is a little more than dashpot; The secondary groove is positioned at below the one-level groove, with one-level groove at right angle setting, and the draining plate that the useful connecting plate in the sidewall both sides of secondary groove connects,
It is characterized in that having in the described one-level groove diaphragm plate of parallel with one-level groove cell wall two midfeathers and design quantity, leave identical space between midfeather and the one-level groove two side, diaphragm plate is arranged vertically with midfeather between two midfeathers; Between two adjacent diaphragm plates, be designed with two right angles flap, consist of the cloth liquid box that two rectangular cross sections wide at the top and narrow at the bottom make up between this pair right angle flap and a diaphragm plate, and the top edge of two right angles flap has a spill overfall; Cloth liquid box is identical with the width of dashpot;
The current stabilization screen that the uniform arrangement of design quantity is arranged in the described secondary groove, current stabilization screen vertically are across on the wall of the secondary groove left and right sides, and current stabilization screen bottom is connectivity structure; Symmetry has cloth liquid mouth on the secondary groove two side between adjacent two blocks of current stabilization screens, every corresponding one group of cloth liquid mouth of current stabilization screen; Two sidewalls of adjacent two blocks of current stabilization screens and secondary groove form one and are subjected to the liquid box; Described liquid distributor extend into the bottom of dashpot; The cloth liquid box of described one-level groove extend into being subjected in the liquid box of secondary groove;
The liquid outflow mode of described one-level groove and secondary groove is overflow, i.e. the precipitation opposite direction that goes out flow path direction and material particles of liquid.
2. full overflow groove type liquid distribution trough according to claim 1 is characterized in that the upper surface of described current stabilization screen is concordant with the upper surface of secondary groove, and the lower surface is lower than cloth liquid mouth lower surface 5mm～10mm.
3. full overflow groove type liquid distribution trough according to claim 1 is characterized in that described cloth liquid mouth is rectangle, trapezoidal or del.
4. full overflow groove type liquid distribution trough according to claim 1 is characterized in that described dashpot and one-level groove are 2～4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210575278.2A CN103028355B (en) | 2012-12-24 | 2012-12-24 | Full overflow tank type liquid distributor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210575278.2A CN103028355B (en) | 2012-12-24 | 2012-12-24 | Full overflow tank type liquid distributor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103028355A true CN103028355A (en) | 2013-04-10 |
| CN103028355B CN103028355B (en) | 2014-07-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210575278.2A Active CN103028355B (en) | 2012-12-24 | 2012-12-24 | Full overflow tank type liquid distributor |
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| Country | Link |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107642922A (en) * | 2017-09-06 | 2018-01-30 | 同方节能装备有限公司 | A kind of crab shape structure drop leaching dissemination apparatus |
| CN107687001A (en) * | 2017-09-12 | 2018-02-13 | 沈阳化工大学 | A kind of indentation type ion-exchange membrane electrolyzer for improving feed liquid back-mixing |
| CN109529447A (en) * | 2018-11-23 | 2019-03-29 | 段文辉 | A kind of drainage filtering type liquid distribution trough |
| CN109999615A (en) * | 2019-04-30 | 2019-07-12 | 江苏同庆安全科技有限公司 | A kind of emission-control equipment and its treatment process being segmented recycling function with solvent |
| WO2024087789A1 (en) * | 2022-10-28 | 2024-05-02 | 珠海格力电器股份有限公司 | Wet-curtain liquid distributor and evaporative cooler comprising same |
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| CN1161246A (en) * | 1997-01-31 | 1997-10-08 | 清华大学 | Multiple overflow compound inclined holes tower for distillation |
| CN101125262A (en) * | 2007-06-11 | 2008-02-20 | 天津大学 | Double liquid phase groove type distributor |
| CN101444678A (en) * | 2008-12-02 | 2009-06-03 | 杭州杭氧股份有限公司 | Multi-overflow circle tower plate |
| CN203030027U (en) * | 2012-12-24 | 2013-07-03 | 天津市创举化工设备有限公司 | All spilling groove type liquid distributor |
-
2012
- 2012-12-24 CN CN201210575278.2A patent/CN103028355B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1161246A (en) * | 1997-01-31 | 1997-10-08 | 清华大学 | Multiple overflow compound inclined holes tower for distillation |
| CN101125262A (en) * | 2007-06-11 | 2008-02-20 | 天津大学 | Double liquid phase groove type distributor |
| CN101444678A (en) * | 2008-12-02 | 2009-06-03 | 杭州杭氧股份有限公司 | Multi-overflow circle tower plate |
| CN203030027U (en) * | 2012-12-24 | 2013-07-03 | 天津市创举化工设备有限公司 | All spilling groove type liquid distributor |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107642922A (en) * | 2017-09-06 | 2018-01-30 | 同方节能装备有限公司 | A kind of crab shape structure drop leaching dissemination apparatus |
| CN107642922B (en) * | 2017-09-06 | 2020-03-06 | 同方节能装备有限公司 | Crab-shaped structure dripping and sprinkling dispersion device |
| CN107687001A (en) * | 2017-09-12 | 2018-02-13 | 沈阳化工大学 | A kind of indentation type ion-exchange membrane electrolyzer for improving feed liquid back-mixing |
| CN109529447A (en) * | 2018-11-23 | 2019-03-29 | 段文辉 | A kind of drainage filtering type liquid distribution trough |
| CN109999615A (en) * | 2019-04-30 | 2019-07-12 | 江苏同庆安全科技有限公司 | A kind of emission-control equipment and its treatment process being segmented recycling function with solvent |
| WO2024087789A1 (en) * | 2022-10-28 | 2024-05-02 | 珠海格力电器股份有限公司 | Wet-curtain liquid distributor and evaporative cooler comprising same |
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|---|---|
| CN103028355B (en) | 2014-07-30 |
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