CN102908974B - Composite column plate with coupling of sawtooth-shaped inclined strip-shaped cover hood and regular filler blocks - Google Patents
Composite column plate with coupling of sawtooth-shaped inclined strip-shaped cover hood and regular filler blocks Download PDFInfo
- Publication number
- CN102908974B CN102908974B CN201210404536.0A CN201210404536A CN102908974B CN 102908974 B CN102908974 B CN 102908974B CN 201210404536 A CN201210404536 A CN 201210404536A CN 102908974 B CN102908974 B CN 102908974B
- Authority
- CN
- China
- Prior art keywords
- calotte
- rectangular
- strip
- column plate
- shaped
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Gas Separation By Absorption (AREA)
Abstract
The invention provides a composite column plate with coupling of a sawtooth-shaped inclined strip-shaped cover hood and regular filler blocks. According to the composite column plate, external edges of two long and upwards convexly arranged sides of strip-shaped holes on the column plate are designed in a sawtooth shape; the inclined strip-shaped cover hood, which is wide in bottom and narrow in top, is internally provided with separating plates and is separated into a plurality of areas by the separating plates; the strip-shaped cover hood has holes for mounting sectional downwards-inclined shutters; the shutters have holes on the outside surface of the strip-shaped cover hood along the length direction; the shutters comprises a plurality of downwards-inclined strip-shaped plates which are arranged at intervals; the external side edge of each strip-shaped plate is sawtooth-shaped; the aperture ratio of the shutters on the side surface of the strip-shaped cover hood is 80 to 300% of that of the column plate; and the regular filler blocks are arranged outside the sawtooth-shaped inclined strip-shaped cover hood. With the adoption of the composite column plate, the pressure release is reduced, the entrainment is reduced, the back-mixing is reduced, the mass transfer quality is improved, the mass transfer efficiency and the processing capacity of the column plate are greatly improved, and the utilization rate of the space in the column is improved.
Description
Technical field
The present invention relates to separation equipment field, the tilt composite plate of rectangular calotte and regular filling block coupling of the espespecially a kind of zigzag that can strengthen gas-liquid mixed intensity.
Background technology
Column plate and filler are widely used in distillation, absorption, extraction, absorption, washing, the unit processes in chemical synthesis such as cooling.Filler has the advantages such as separative efficiency is high, pressure drop is little, disposal ability is large, but cost is larger, and operating flexibility is little, to supporting tower internals, requires high; Large, the anti-obstruction of operating flexibility of tray, cost is low but pressure drop compared with large, separative efficiency school is little, disposal ability is lower.Column plate divides by airflow direction, can be divided into three kinds of cross-current type, reverse-flow, parallel types, existing parallel type column plate better performances be mainly new vertical sieve tray, in the tower of tower, space availability ratio is high, disposal ability is large, pressure drop is little, anti-obstruction and anti-steam bubble performance good, but the inside and outside liquid dispersion of calotte is serious, entrainment is large, mass-transfer efficiency is poor.
In order to improve mass-transfer performance and the disposal ability of New Vertical Sieve Tray, the patent CN101480538A that the inventor declares has mentioned a kind of novel sloped strip composite column plate and has adopted rectangular calotte and regular filling block combination, as shown in Figure 9, Figure 10, this composite plate is mainly comprised of the rectangular calotte 13 of inclination, trapezoidal filling block 15 and the press strip 14 of column plate 11, internal zone dividing.Column plate 11 outsides are fixed by the bracing ring of whole circle on the connectors such as bolt and outer wall.On column plate 11, offer a plurality of strip holes 12.Each strip hole 12Liang Chang limit also extends upward protrusion, and the Liang Changbian cross section of extension is positive splayed.
As shown in Figure 9, each strip hole 12 top is fixedly installed a bottom and column plate 11 stays gapped rectangular calotte 13, and rectangular calotte 13 can be welded on column plate 11 by several steel heel pieces, also can be directly fixed on the retainer plate of outer wall by several bolts.As shown in figure 10, rectangular calotte 13 Liang Ge inclined planes, top outwards have dipping type shutter 16, and shutter 16 is in the perforate setting along its length of rectangular calotte 13 outsides.The shutter 16 that has a down dip that rectangular calotte 13 inclined planes arrange along its length, shutter 16 is welded on rectangular calotte 5 perforated walls and is formed by several spaced dipping type strip sheets.
As shown in Figure 9, the middle and upper part between two adjacent rectangular calottes 13 arranges a trapezoidal regular filling block 15, can be for putting into the required filler of reaction in filling block 15.Trapezoidal filling block 15 is fixing by the fixedly press strip 14 on rectangular calotte 13.
Gas is in each strip hole 12 upwards enters each rectangular calotte 13, and a gas enters filling block 15 through shutter 16, and some gas is through the Clearance Flow of rectangular calotte 13 bottoms and column plate 11.This composite plate makes full use of Ta Nei space, increases gas-liquid contact time, has strengthened air-flow mixing intensity and cross section renewal rate, significantly reduces entrainment, has improved plate efficiency; But because rectangular interior calotte gas-liquid impingement is mixed to form the complete back-mixing of liquid, there is equally serious liquid dispersion in the regular filling block that gas-liquid sprays into outside calotte, gas lacks during by passage pre-dispersed, and gas-liquid mixed intensity needs further to be improved, and has affected increasing substantially of mass-transfer performance.
Summary of the invention
Object of the present invention is provide a kind of zigzag to tilt composite plate that rectangular calotte and regular filling block be coupled with regard to being to avoid the deficiency of composite plate technology of existing vertical sieve tray and structured packing coupling, reduce back-mixing, strengthening gas-liquid mixed intensity, further improves mass-transfer performance.
Technical solution of the present invention:
The Liang Changbian outer the object of the invention is by the strip hole on column plate is upwards convexly equipped with is designed to zigzag, and the rectangular calotte of inclination of lower great Shang little, internal zone dividing is set on the above strip hole of column plate; Rectangular calotte perforate arranges dipping type venetian blind type, and shutter is in rectangular calotte outside perforate setting along its length, and shutter is comprised of several spaced dipping type strip sheets, and each strip sheet outer edge is also zigzag; The rectangular calotte arranged outside filling block that tilts is realized.It can reduce the inside and outside liquid dispersion of calotte effectively, makes liquid be spiral and flows, and refinement gas-liquid contact, extends gas-liquid contact time, strengthening calotte inside and outside and spread matter; Improve open ratio of plate, eliminate the interactional difficult problem of the upper and lower gas passage area of vertical sieve tray; Simultaneously utilize again filling block to eliminate entrainment, reduced distance between plates, reduce the anode drop of actual motion, increased substantially the utilization rate in composite plate mass-transfer efficiency, disposal ability, operating flexibility He Tanei space.
The invention provides the tilt composite plate of rectangular calotte and regular filling block coupling of a kind of zigzag, it is characterized in that, comprise the rectangular calotte of inclination and a plurality of trapezoidal filling block of a plurality of strip holes of offering on column plate, described column plate, a plurality of internal zone dividings; Described column plate has the strip hole that accounts for plate area 10%～50%, wide 40～the 80mm of described strip hole, long is 5%～90% of described column plate length, described strip hole Liang Chang limit also extends upward protrusion, it is zigzag that the Liang Changbian cross section of extending is outer, positive splayed ，Qie Liangchang limit; The gap of 3-15mm is arranged to described strip hole at described rectangular calotte bottom, and the described rectangular calotte ，Qi Liang inclined plane of lower large little inclination is 10 °～35 ° with respect to the inclination angle of vertical line; In described rectangular calotte, every 50-80mm, a vertical clapboard is set along its length, described rectangular calotte is divided into several subregions; Liang Ge inclined plane, described rectangular calotte top outwards has dipping type shutter, described shutter is in described rectangular calotte outside perforate setting along its length, described shutter is comprised of several spaced dipping type strip sheets, and each strip sheet outer edge is also zigzag; The shutter percent opening of described rectangular calotte is described open ratio of plate 80%～300%, and described shutter accounts for the 30%-80% of described rectangular calotte inclined plane area; Each strip sheet of described shutter is preferably and has a down dip 25～60 ° with respect to horizontal line; Each strip sheet of described shutter is wide is 5-20mm, and length is the 90%-99% of described rectangular calotte length; Described rectangular calotte bottom width is than the wide 10-60mm of the strip hole of described column plate, and described rectangular calotte top width is preferably 10-40mm, and described rectangular calotte height is preferably 200-500mm; Middle and upper part between described two rectangular calottes is provided with trapezoidal filling block, and described filling block is fixed by the press strip on described rectangular calotte.
According to above-mentioned design, described filling block outer wall is to be connected to form by the corrugated plating with perforate, and the several web pitch of inner connection are several parts, and each several part passes assembling by steel bar, and described thin plate spacing equates with described vertical clapboard interval
The invention provides the tilt composite plate of rectangular calotte and regular filling block coupling of a kind of zigzag, owing to adopting the Liang Changbian outer that the strip hole on column plate is upwards convexly equipped with to be designed to zigzag, the rectangular calotte of inclination of subregion, each strip sheet outer edge of shutter is designed between zigzag and rectangular calotte filled, effectively reduce liquid dispersion, making liquid be spiral flows, take full advantage of Ta Nei space, increased exponentially gas-liquid contact time, it is pre-dispersed when gas passes through passage, air-flow mixing intensity and interface renewal rate have been strengthened, significantly reduced entrainment, greatly improved column plate mass-transfer efficiency, simultaneously due to large little structure under the rectangular calotte that tilts, open ratio of plate can be up to 50%, disposal ability and the operating flexibility of column plate have greatly been improved, plate pressure drop and entrainment have been reduced, eliminated the impact of system foaming, utilize rationally and effectively the advantage of column plate and filler, realized and spread matter, reached both perfect adaptations.
Accompanying drawing explanation
Fig. 1 is the tilt structural representation of composite plate of rectangular calotte and regular filling block coupling of zigzag;
Fig. 2 is that the splayed strip hole of column plate is just trying structural representation;
Fig. 3 is the splayed strip hole side-looking structural representation of column plate;
Fig. 4 is the sectional structure schematic diagram of the rectangular calotte of inclination;
Fig. 5 is the internal structure schematic diagram that the side of the rectangular calotte of inclination is cutd open;
Fig. 6 is the side-looking external structure schematic diagram of the rectangular calotte of inclination;
Fig. 7 is the structural representation of facing of filling block;
Fig. 8 is the internal structure schematic diagram of the side direction of filling block;
Fig. 9 is the structural representation of facing of existing column plate;
Figure 10 is the sectional structure schematic diagram of existing rectangular calotte.
Description of reference numerals
1. rectangular calotte 6. shutter 7. press strip 8. corrugated plating 9. thin plate 10. steel bars of column plate 2. strip hole 3. filling block 4. dividing plate 5., 11 column plates, 12 strip holes, 13 rectangular calottes, 14 press strips, 15 filling blocks, 16 shutters.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further details.
As shown in Figure 1, composite plate of the present invention is mainly comprised of the rectangular calotte 5 of inclination, trapezoidal filling block 3 and the press strip 7 of column plate 1, strip hole 2, internal zone dividing.It is characterized in that, column plate 1 outside is fixed by the bracing ring of whole circle on the connectors such as bolt and outer wall.On column plate 1, evenly compartment of terrain offers a plurality of strip holes 2 that account for plate area 10%～50%, the wide 40～80mm of each strip hole 2, and long is 5%～90% of column plate 1 length.The length of strip hole 2 and rectangular calotte 5 is determined according to the outer wall length direction spacing of present position, middle Chang， both sides short.Each strip hole 2 Liang Chang limits also extend upward protrusion as shown in Figure 2 and Figure 3, the Liang Changbian cross section of extending is positive splayed, Qie Liangchangbian outer is designed to triangle zigzag (see figure 3), upwards passes through, and there will not be sinuous flow back-mixing so that the suitable positive splayed Liang Chang of air-flow limit is unidirectional.
As shown in Figure 1, each strip hole 2 top is fixedly installed a bottom and column plate 1 stays gapped rectangular calotte 5, and rectangular calotte 5 can be welded on column plate 1 by several steel heel pieces, also can be directly fixed on the retainer plate of outer wall by several bolts.Rectangular calotte 5 bottoms are to the better gap with 3-15mm of strip hole 2, and two inclined planes of the rectangular calotte 5 of lower large little inclination are 10 °-35 ° with respect to the inclination angle of vertical line.As shown in Figure 4, rectangular calotte 5 Liang Ge inclined planes, top outwards have dipping type shutter 6 symmetrically, and shutter 6 is in the perforate setting along its length of rectangular calotte 5 outsides.In rectangular calotte 5, along its length every the better welding of 50-80mm or be spirally connected a vertical clapboard 4 is set, rectangular calotte 5 is divided into several subregions, to reduce the liquid dispersion inside and outside rectangular calotte.The shutter 6 that has a down dip that rectangular calotte 5 inclined planes arrange along its length, shutter 6 agent structures can be prior art form, in the present embodiment, by several spaced dipping type strip sheets, be welded on rectangular calotte 5 perforated walls and form, as shown in Fig. 4, Fig. 6, strip sheet outer edge preferred configuration toothing also in the present embodiment, shutter 6 percent openings on 5 liang of inclined planes of rectangular calotte are 80%～300% of column plate 1 percent opening, can be to account for 30%～80% of rectangular calotte 5 inclined plane areas; Dipping type shutter 6 each strip sheets are preferably with respect to horizontal line that to have a down dip be 25～60 °, so that air-flow is along the unidirectional downward outflow of shutter 6 each strip sheet, and there will not be sinuous flow back-mixing.Shutter 6 each strip sheets are wide and be spaced apart 5～20mm, and length is 90%～99% of calotte 5 length; Rectangular calotte 5 bottom widths are than the wide 10～60mm of the strip hole of column plate 1, and wide 40mm or the 80mm of being preferably of strip hole 2, to reach better implementation result.Rectangular calotte 5 top width are 10～40mm, and rectangular calotte 5 is highly 200～500mm.
As Fig. 1, Fig. 7, Fig. 8, middle and upper part between two adjacent rectangular calottes 5 arranges by the wide 20～60mm in array bottom, wide 80～the 200mm in top, the regular filling block 3 that the trapezoidal subregion of height 100～200mm forms, trapezoidal filling block 3 outer walls are by the corrugated plating 8 with perforate, to connect to form Yi Ge cross section to be trapezoidal strip, its shape is mated with the gap between two rectangular calottes 5, filling block 3 inside are spaced apart several parts by the several thin plates 9 that weld, and, each several part is fixed on the corresponding bracing ring of outer wall after passing by steel bar 10, to be fixed on specified altitude assignment, thin plate 9 spacing equate with vertical clapboard 4 intervals, trapezoidal filling block 3 is fixing by the fixedly press strip 7 on rectangular calotte 5, can be for putting into the required filler of reaction between interior adjacent two thin plates 9 of filling block 3.Press strip 7 is for being fixed on the plate at rectangular calotte 5 tops, identical with rectangular calotte 5 length, can push down fixedly filling block 3 and avoid.
Tilt composite plate cold mould measuring through laboratory of rectangular calotte and regular filling block coupling of zigzag provided by the present invention, within the scope of empty tower gas velocity 0.5～12.0m/s, the silent Buddhist back veneer efficiency of air surpasses 96%, higher than F1 valve plate more than 50%; Entrainment is all less than 0.2%, and pressure drop ratio F1 valve plate is little by 30%; Maximum void tower kinetic energy factor is up to 14(m/s) .(kg/m3) more than 1/2 (common column plate is less than 2), operating flexibility is 9, with respect to current common column plate disposal ability, improves more than 4 times.
As known by the technical knowledge, the present invention can realize by other the embodiment that does not depart from its Spirit Essence or essential feature.Therefore, above-mentioned disclosed embodiment, with regard to each side, all just illustrates, and is not only.Change within the scope of the present invention all or within being equal to scope of the present invention is all included in the invention.
Claims (2)
1. the zigzag composite plate for rectangular calotte and regular filling block coupling that tilts, is characterized in that, comprises trapezoidal rectangular calotte and a plurality of trapezoidal regular filling block of column plate, a plurality of internal zone dividings; On described column plate, offer a plurality of strip holes; Described column plate has the strip hole that accounts for plate area 10%～50%, wide 40～the 80mm of described strip hole, long is 5%～90% of described column plate length, described strip hole Liang Chang limit also extends upward protrusion, it is zigzag that the Liang Changbian cross section of extending is outer, positive splayed ，Qie Liangchang limit; Described rectangular calotte bottom margin has the gap of 3-15mm to described column plate top edge, the described rectangular calotte ，Qi Liang inclined plane of lower large little inclination is 10 °～35 ° with respect to the inclination angle of vertical line; In described rectangular calotte, every 50-80mm, a vertical clapboard is set along its length, described rectangular calotte inside is divided into several subregions; Described rectangular calotte Liang Ge inclined plane outwards has dipping type shutter symmetrically, described shutter is in described rectangular calotte outside perforate setting along its length, described shutter is comprised of several spaced dipping type strip sheets, and each strip sheet outer edge is also zigzag; Shutter percent opening on described rectangular calotte two inclined planes is described open ratio of plate 80%～300%, and described shutter accounts for the 30%-80% of described rectangular calotte inclined plane area; Each strip sheet of described shutter with respect to horizontal line for having a down dip 25～60 °; Each strip sheet of described shutter is wide and be spaced apart 5-20mm, and length is the 90%-99% of described rectangular calotte length; Described rectangular calotte bottom width is than the wide 10-60mm of the strip hole of described column plate, and described rectangular calotte top width is 10-40mm, and described rectangular calotte height is 200-500mm; Middle and upper part between described two rectangular calottes is provided with trapezoidal filling block, and described filling block is fixed by the press strip on described rectangular calotte.
2. the zigzag according to claim 1 composite plate of rectangular calotte and regular filling block coupling that tilts, it is characterized in that, described filling block outer wall is to be connected to form by the corrugated plating with perforate, the several web pitch of inner connection are several parts, each several part passes assembling by steel bar, and described thin plate spacing equates with described vertical clapboard interval.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210404536.0A CN102908974B (en) | 2012-10-22 | 2012-10-22 | Composite column plate with coupling of sawtooth-shaped inclined strip-shaped cover hood and regular filler blocks |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210404536.0A CN102908974B (en) | 2012-10-22 | 2012-10-22 | Composite column plate with coupling of sawtooth-shaped inclined strip-shaped cover hood and regular filler blocks |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102908974A CN102908974A (en) | 2013-02-06 |
| CN102908974B true CN102908974B (en) | 2014-01-15 |
Family
ID=47607689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210404536.0A Active CN102908974B (en) | 2012-10-22 | 2012-10-22 | Composite column plate with coupling of sawtooth-shaped inclined strip-shaped cover hood and regular filler blocks |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102908974B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106807104A (en) * | 2017-03-22 | 2017-06-09 | 中国石油大学(华东) | A kind of low pressure drop liquid header of suitable large-scale tower |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5632935A (en) * | 1994-04-28 | 1997-05-27 | Koch Engineering Company, Inc. | Vapor-liquid contact tray and downcomer assembly and method employing same |
| CN101480538A (en) * | 2008-01-11 | 2009-07-15 | 山东科技大学 | Novel sloped strip composite column plate |
| CN101721828B (en) * | 2010-01-15 | 2011-06-08 | 天津大学 | Liquid guide flow type vertical sieve tray device |
| CN202460717U (en) * | 2012-01-19 | 2012-10-03 | 山西卓锋钛业有限公司 | Serrated knife cooling device of crusher |
-
2012
- 2012-10-22 CN CN201210404536.0A patent/CN102908974B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN102908974A (en) | 2013-02-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP3260180B1 (en) | Gas/liquid contact tower having a tray assembly | |
| CA2756974A1 (en) | Improved contacting stages for co-current contacting apparatuses | |
| AU2009200091A1 (en) | Vapour-liquid distribution device | |
| CN102961888A (en) | Flow-separation back-mixing-free spraying tower disc | |
| CN102908974B (en) | Composite column plate with coupling of sawtooth-shaped inclined strip-shaped cover hood and regular filler blocks | |
| CN102908798B (en) | Composite column plate with coupling of inclined strip-shaped three-dimensional cover hood and regular fillers | |
| CN102908975B (en) | Elongated sawtoothed vertical sieve-plate tower plate | |
| CN104524801B (en) | A kind of dispersion descending liquid sieve-plate tower | |
| RU2416461C1 (en) | Package vortex nozzle for heat-and-mass exchange column apparatuses | |
| CN101537338B (en) | Square hole-shaped grooving diversion type structured packing | |
| CN104587946B (en) | A kind of regulation catalytic filling for reactive distillation column | |
| CN207041947U (en) | A kind of catalytic distillation module | |
| CN103673683A (en) | Multi-shell-pass recycle gas condenser | |
| CN114786789A (en) | Grid-like fractal distributor or collector elements | |
| CN104784960B (en) | Streamlined stereo jet tray | |
| CN101480538A (en) | Novel sloped strip composite column plate | |
| CN111013178B (en) | Stepped liquid circulation bubble tower and method for dispersing gas | |
| CN212369604U (en) | Single overflow sieve plate tower | |
| CN103301645B (en) | A kind of High-flux plate-type tower | |
| CN203565082U (en) | Trough-pan liquid-gas distributor with defoaming device | |
| CN102908797A (en) | Combined column plate with coupling of composite flow-through column plate and fiber bundle fillers | |
| CN104784968A (en) | Continuous-phase cocurrent extraction column and extraction method | |
| CN102240460A (en) | Jet tray with no leakage | |
| CN100427171C (en) | Novel packed tower | |
| CN217887386U (en) | Water washing tower |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |