CN202569623U - Three-dimensional spraying tower tray - Google Patents
Three-dimensional spraying tower tray Download PDFInfo
- Publication number
- CN202569623U CN202569623U CN 201220250049 CN201220250049U CN202569623U CN 202569623 U CN202569623 U CN 202569623U CN 201220250049 CN201220250049 CN 201220250049 CN 201220250049 U CN201220250049 U CN 201220250049U CN 202569623 U CN202569623 U CN 202569623U
- Authority
- CN
- China
- Prior art keywords
- spraying
- jet
- cover
- liquid
- shields
- 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.)
- Expired - Fee Related
Links
Images
Abstract
The utility model discloses a three-dimensional spraying tower tray, which comprises a tower plate which is arranged in the tower body, wherein at least one air raising hole is formed in the tower plate; spraying shields are arranged on the air raising holes; top covers are welded to the tops of the spraying shields; space in the spraying shields is large in upper side and small in lower side; gaps are reserved between the spraying shields and the tower plate; a plurality of spraying holes are formed in the vertical surfaces of the spraying shields; support frames are arranged at the bottoms of the spraying shields and are in contact with the tower plate by using bolts; the shapes of longitudinally-projected outlines of the spraying shields are similar to the those of the air raising holes; and the outlines of openings at the bottoms of the spraying shields are greater than the air raising holes. According to the three-dimensional spraying tower tray, the pressure drop of the tower plate is reduced by 10 to 20 percent, the leakage amount of liquid is reduced by 50 to 100 percent, the entrainment amount is reduced by 20 to 100 percent, the efficiency of the tower plate is improved by 10 to 60 percent, and the operating flexibility is improved by 100 to 200 percent.
Description
Technical field
The utility model relates to a kind of gas-liquid contanct equipment that is used for Chemical Manufacture, gas-liquid contanct equipment internals such as particularly a kind of rectifying column that is used for Chemical Manufacture, absorption tower, cooling tower.
Background technology
The stereo-spray tower tray is to have air rising hole on a kind of plate, and jet cover is arranged on the air rising hole, between jet cover and the tower tray certain interval is arranged, and jet cover is provided with the plate column in Guide spray hole.In operating process; Liquid flows into air rising hole from the gap under the jet cover, and the air-flow that is risen then pulls into liquid film, is broken into very little drop through the aperture on the sidewall again; Between the gas-liquid in cover through after the violent collision mixing; Eject in covering through the spray-hole on the jet cover, outside the cover spray back gas-liquid separation is come mutually again, and liquid flows to down one deck tower tray through downspout; Gas gets into the last layer tower tray through the air rising hole of last layer tower tray, thereby reaches the purpose of gas-liquid mass transfer and heat transfer.
Jet tray has multiple pattern: Chinese utility model patent ZL92236034.0 discloses the jet tray that a kind of cover body is rolled into expanded metals, and many rhombus ducts are arranged on the cover body.China utility model patent ZL93218445.6 discloses a kind of trapezoidal solids and has sprayed gas-liquid cntacting combined components; This composition element is that the curved surface cover plate that separating plate or top have spray-hole is installed on the trapezoidal jet cover of bottom and open-top; On the sidewall of the four sides of jet cover, have spray-hole, have imbibing hole on the end plate and push away the liquid hole.Chinese invention patent application CN1181282A discloses a kind of mixing box column plate; Have a plurality of sieve apertures on the column plate, 2-10 sieve aperture is listed as into one group of hole bunch, and every group of top is covered with the blending bin of the no end; Mix the casing top seal; One side has the gas outlet, and the flow direction is consistent on direction and the plate, and the upper and lower of gas outlet respectively has a deflector.Chinese invention patent application CN1204543A discloses a kind of full effective region cross flow tower plate, with jet tray or vertical sieve tray on the downcomer region cloth.China utility model patent ZL99200122.6 discloses a kind of radial side guiding jet column tray, around the jet cover and on the top cover guide plate is being installed in case the back-mixing of solution stopping body reduces the column plate resistance.China utility model patent ZL01221920.7 discloses a kind of Guide spray column plate, the Guide spray separating plate has been installed to reduce backmixing of liquid phase and entrainment above jet cover.China utility model patent ZL01221921.5 discloses a kind of combined trapezoid spray tray, and the separating plate that three-layer stereo is arranged has been installed above jet cover, to reduce mist entrainment, improves the separative efficiency of column plate.China utility model patent ZL01224885.1 discloses a kind of nozzle baffle type tower tray, two separating plates is installed to reduce mist entrainment below air rising hole.
Above-mentioned various jet tray all has the characteristics that treating capacity is big, separative efficiency is high, but because jet tray, gas phase is a continuous phase, and liquid phase is a decentralized photo, has only liquid phase fully to be disperseed, and gas-liquid is fully contacted, and it is best that mass-transfer efficiency reaches.And the injection cover body of above-mentioned tower tray all has the crack, is waterfall shape after liquid is sprayed, and liquid does not fully disperse, and plate efficiency is lower.The design of plate column at first will make gas-liquid fully contact, and will reduce mist entrainment and backmixing of liquid phase amount then, could improve plate efficiency.
The utility model content
To the deficiency that above-mentioned prior art exists, the utility model provides a kind of stereo-spray tower tray, has that operating flexibility is bigger, plate pressure drop is littler and the characteristics of liquid dispersion Du Genggao, thereby has improved plate efficiency.
In order to solve the problems of the technologies described above, the technical scheme that the utility model stereo-spray tower tray is achieved is: comprise the column plate that is arranged in the tower body, said column plate is provided with at least one air rising hole, and said air rising hole is provided with jet cover; The welded top of said jet cover has top cover, and the space in the said jet cover is a up big and down small space; Be provided with the gap between said jet cover and the said column plate, the facade of said jet cover is provided with a plurality of spray-holes.
Further say, the utility model stereo-spray tower tray, wherein, the shape of said spray-hole is circular port or bar hole.
The bottom of said jet cover is provided with a bracing frame, adopts bolt to be connected between support frame as described above and the said column plate.
Said air rising hole is selected a kind of in circle, rectangle, square and the polygon.
The contour shape of the longitudinal projection of said jet cover and said air rising hole shape are similar figures, and the profile of said jet cover bottom opening is greater than air rising hole.
Compared with prior art, the beneficial effect of the utility model is:
Because the space is up big and down small space in the jet cover in the utility model; Flow to oblique below from the gas-liquid mixture of spray-hole ejection; Increase the path that gas passed through, make the fluid of ejection have component velocity downwards, thereby reach the effect that reduces mist entrainment; Mist entrainment has reduced 20-100%
Jet cover top cover and cover body are that welding is airtight in the utility model, and the leak of liquid amount has reduced 50-100%, and assurance liquid sprays at 360 degree, guarantees the decentralization of liquid, and guarantee that the liquid injection direction is oblique below, can effectively prevent entrainment.
The mass-transfer progress of the utility model stereo-spray tower tray is through gas liquid to be pulled into very thin liquid film, and then is broken into very little drop, accomplishes through collision, mixing, separation between gas and the drop again.Jet tray has increased the surface area of gas-liquid contact significantly, has improved the separative efficiency of tower tray, and operating flexibility has improved 100-200%
Because the increase of tolerance helps the abundant contact of gas-liquid in the jet tray, so the disposal ability of jet tray is bigger, plate efficiency has improved 10-60%
Owing to do not have the bubbling phenomenon in the liquid layer on the jet tray, also reduced the gas holdup in the liquid layer significantly, plate pressure drop has reduced 10-20%, and makes jet tray be difficult for taking place the liquid flooding phenomenon.
Description of drawings
Fig. 1-the 1st has the structural representation of the stereo-spray tower tray of single jet cover;
Fig. 1-2 is that A shown in Fig. 1-2 is to partial view;
Fig. 2-the 1st has the structural representation of the stereo-spray tower tray of two jet covers;
Fig. 2-the 2nd, the vertical view of tower tray shown in Fig. 2-1.
The specific embodiment
Below in conjunction with the specific embodiment the utility model is done to describe in further detail.
Shown in Fig. 1-1 and Fig. 1-2, the utility model stereo-spray tower tray comprises the column plate 6 that is arranged in the tower body 1, and said column plate 6 is provided with at least one air rising hole 8, and said air rising hole 8 is selected a kind of in circles, rectangle, square and the polygon; Said air rising hole 8 is provided with jet cover 4, and the spaces in the said jet cover 4 are a up big and down small space, and the contour shape of the longitudinal projection of said jet cover 4 and said air rising hole 8 shapes are similar figures, and the profile of said jet cover bottom opening is greater than air rising hole 8; The welded top of said jet cover 4 has top cover 2; The facade of said jet cover 4 is provided with a plurality of spray-holes 3,, shown in Fig. 1-2; The shape of said spray-hole 3 is circular port or bar hole; The bottom of said jet cover 4 is provided with a bracing frame 9, adopts bolt to be connected between support frame as described above 9 and the said column plate 6, is provided with gap 5 between said jet cover 4 and the said column plate 6.Fig. 2-1 and Fig. 2-2 shows the structure that is provided with the stereo-spray tower tray of two jet covers on the aspect in tower body.
Embodiment:
In a cylindrical-shaped tower 1, several layers column plate 6 is set, is formed with several tower trays, each column plate 6 is provided with several air rising holes 8; On each tower tray, all be provided with one or more overflow pipes 7, and under operating condition, make the liquid layer that to keep certain height on the column plate 6; Corresponding to being provided with a jet cover 4 on each air rising hole 8 respectively, jet cover 4 comprises the cover body that is formed by the facade sidewall, the top cover 2 that is welded on the cover body top be used for jet cover 4 is fixed on 3 ~ 6 bracing frames 9 on the column plate; Its fixing bolt that adopts connects, and the facade of jet cover 4 is provided with spray-hole 3, can guarantee the decentralization after liquid sprays; Guarantee the raising of gas-liquid contact area; Can improve mass-transfer efficiency, improve plate efficiency, shown in Fig. 1-2.Between the bottom of jet cover 4 and the column plate 6 certain clearance 5 is arranged.Jet cover 4 can be and air rising hole 8 corresponding cylinders, cone, cube, prismatoid or polyhedron; Preferably up big and down small inverted cone or inverted ladder-shaped body; Also be; Form certain included angle α between the facade of jet cover 4 and the column plate 6; Making from the gas-liquid mixture of spray-hole 3 ejections has certain guidance quality (gas-liquid mixture of ejection flows to oblique below) to increase the path that gas was passed through, to make the fluid of ejection have component velocity downwards, thereby reaches the effect that reduces mist entrainment.
In the utility model, be that welding is airtight between the top cover at jet cover 4 tops and the cover body, do not establish perforate; Do not establish the gap between top cover 2 and the cover body; Liquid to circumferential injection, guarantees the decentralization of liquid at 360 degree, and guarantees that the liquid injection direction is oblique below; Shown in the arrow of jet cover 4 both sides among Fig. 1-1 and Fig. 1-2, can effectively prevent entrainment.
The mass-transfer progress of plate column is to accomplish through the bubbling contact of gas in liquid in the prior art; And the mass-transfer progress of the utility model stereo-spray tower tray is through gas liquid to be pulled into very thin liquid film; And then be broken into very little drop, accomplish through collision, mixing, separation again between gas and the drop.Therefore, the utility model stereo-spray tower tray can increase the surface area of gas-liquid contact significantly, has utilized the solid space in the tower fully, has improved the separative efficiency of tower tray; Also help the abundant contact of gas-liquid simultaneously owing to the increase of tolerance in the jet tray, so the disposal ability of jet tray is bigger; In addition,, changed the movement locus of the droplet of carrying secretly in the gas, reduced mist entrainment owing to the gas injection direction and the tower tray radial parallel of jet tray; Also have,, also reduced the gas holdup in the liquid layer significantly, and make jet tray be difficult for taking place the liquid flooding phenomenon owing to do not have the bubbling phenomenon in the liquid layer on the column plate of jet tray.
Because several layers column plate 6 is set in tower body 1, in practical operation, the gas that rises from next piece column plate at first gets into air rising hole 8; The liquid of coming in will the gap 5 by jet cover 4 bottoms is drawn as film along jet cover 4, is broken into tiny drop immediately, and gas is turned back after reaching top cover 2; After in jet cover 4, mixing between the gas-liquid through violent collision; Eject in covering through spray-hole 3 around jet cover 4 tops, outside the cover spray back gas-liquid separation is come mutually again, and liquid flows to down one deck tower tray through downspout 7; Gas gets into the last layer tower tray through the air rising hole of last layer tower tray, thereby reaches the purpose of gas-liquid mass transfer and heat transfer.
Although top combination figure is described the utility model; But the utility model is not limited to the above-mentioned specific embodiment, and the above-mentioned specific embodiment only is schematically, rather than restrictive; Those of ordinary skill in the art is under the enlightenment of the utility model; Under the situation that does not break away from the utility model aim, can also make a lot of distortion, these all belong within the protection of the utility model.
Claims (5)
1. a stereo-spray tower tray comprises the column plate (6) that is arranged in the tower body (1), and said column plate (6) is provided with at least one air rising hole (8), and said air rising hole (8) is provided with jet cover (4); It is characterized in that: the welded top of said jet cover (4) has top cover (2), and the space in the said jet cover (4) is a up big and down small space; Be provided with gap (5) between said jet cover (4) and the said column plate (6), the facade of said jet cover (4) is provided with a plurality of spray-holes (3).
2. according to the said stereo-spray tower tray of claim 1, it is characterized in that the shape of said spray-hole (3) is circular port or bar hole.
3. according to the said stereo-spray tower tray of claim 1, it is characterized in that the bottom of said jet cover (4) is provided with a bracing frame (9), adopt bolt to be connected between support frame as described above (9) and the said column plate (6).
4. according to the said stereo-spray tower tray of claim 1, it is characterized in that said air rising hole (8) is selected a kind of in circle, rectangle, square and the polygon.
5. according to the said stereo-spray tower tray of claim 4, it is characterized in that the contour shape of the longitudinal projection of said jet cover (4) and said air rising hole (8) shape are similar figures, the profile of said jet cover bottom opening is greater than air rising hole (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220250049 CN202569623U (en) | 2012-05-30 | 2012-05-30 | Three-dimensional spraying tower tray |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220250049 CN202569623U (en) | 2012-05-30 | 2012-05-30 | Three-dimensional spraying tower tray |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202569623U true CN202569623U (en) | 2012-12-05 |
Family
ID=47239080
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220250049 Expired - Fee Related CN202569623U (en) | 2012-05-30 | 2012-05-30 | Three-dimensional spraying tower tray |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202569623U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104830645A (en) * | 2015-05-20 | 2015-08-12 | 贵州珍酒酿酒有限公司 | Support plate for fermented grains |
-
2012
- 2012-05-30 CN CN 201220250049 patent/CN202569623U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104830645A (en) * | 2015-05-20 | 2015-08-12 | 贵州珍酒酿酒有限公司 | Support plate for fermented grains |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20080066622A1 (en) | Reflecting packed column | |
| CN2810712Y (en) | Guide-jetting column plate | |
| CN104324587A (en) | Thin-hole sieve-plate-typed bubble column | |
| CN203379781U (en) | Flue gas desulfurization tower | |
| CN204159341U (en) | The board-like bubble tower of fine ga(u)ge screen | |
| TWI280151B (en) | Exhaust gas treatment apparatus | |
| CN101940848B (en) | Catalytic rectification column member | |
| CN111013177B (en) | Composite tower plate structure and composite tower equipment | |
| CN202569623U (en) | Three-dimensional spraying tower tray | |
| RU2462675C1 (en) | Design of ejection cooling tower, and method of organisation of heat and mass exchange process | |
| CN101507883A (en) | Film spray no-back mixing column plate | |
| CN104784960B (en) | Streamlined stereo jet tray | |
| CN209771759U (en) | Semi-arc jet overflow type tower plate | |
| CN202844619U (en) | High-flux anti-blocking gas-liquid cross flow spraying tower plate | |
| CN2936379Y (en) | Air floating flushing type active sand continuous automatic filter | |
| CN103409236A (en) | Combined type deacidification and deodorization tower suitable for deodorizing edible oil in oil industry | |
| CN102600788B (en) | Multi-stage spray reaction tower | |
| CN201855587U (en) | Catalytic rectifying tower component | |
| CN103252205B (en) | Full-countercurrent mass transfer unit and tower plate with unit | |
| CN209885533U (en) | Jet tray | |
| CN208097786U (en) | A kind of spray column of high treating effect | |
| CN203281316U (en) | Complete countercurrent mass transfer unit and tower with same | |
| CN203564941U (en) | Window blind type blowing and absorption tower | |
| CN102489031B (en) | Rotary float valve tower | |
| CN215276536U (en) | Novel injection type tower plate cap cover |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121205 Termination date: 20130530 |