CN220940776U - Novel high-efficient tower tray - Google Patents
Novel high-efficient tower tray Download PDFInfo
- Publication number
- CN220940776U CN220940776U CN202322814363.6U CN202322814363U CN220940776U CN 220940776 U CN220940776 U CN 220940776U CN 202322814363 U CN202322814363 U CN 202322814363U CN 220940776 U CN220940776 U CN 220940776U
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- Prior art keywords
- tray
- plate
- flow guiding
- liquid
- tower
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- 239000007788 liquid Substances 0.000 claims abstract description 71
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000007921 spray Substances 0.000 claims abstract description 6
- 238000009826 distribution Methods 0.000 claims description 7
- 238000012546 transfer Methods 0.000 abstract description 20
- 230000001174 ascending effect Effects 0.000 abstract description 3
- 238000000926 separation method Methods 0.000 abstract description 3
- 239000010410 layer Substances 0.000 description 10
- 239000000203 mixture Substances 0.000 description 8
- 230000000630 rising effect Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 239000007791 liquid phase Substances 0.000 description 4
- 230000003068 static effect Effects 0.000 description 4
- 238000013461 design Methods 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000009827 uniform distribution Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Landscapes
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The utility model relates to the technical field related to gas-liquid mass transfer separation, and particularly provides a novel efficient tray, wherein the tray is fixed on the inner wall of a tower, a tray plate is arranged on the tray, the tray plate is provided with an air lifting hole, the upper part of the air lifting hole is provided with a common cap cover, and the side wall of the common cap cover is provided with a plurality of spray holes; the two sides of the tray are provided with flow guiding areas, a flow guiding cap cover is arranged in the flow guiding areas, one side of the flow guiding cap cover is provided with a plurality of flow guiding blocks, the flow guiding blocks are equidistantly arranged, and the flow guiding blocks close to the flow guiding areas are arranged to form a certain angle, so that the water flow direction flows to the flow guiding areas at the two sides. Compared with the prior art, the utility model obviously reduces the entrainment quantity of the ascending air flow and reduces the pressure drop and the flooding rate of the tower plate.
Description
Technical Field
The utility model relates to the technical field of gas-liquid mass transfer separation, and particularly provides a novel efficient tray.
Background
The tower tray of the washing tower of the pressurized gasification device is generally a valve fixing tower tray, which is designed differently according to the type of the valve fixing, and a single-layer or double-layer sieve tray is used, so that the normal use condition can be achieved. The simple valve fixing tower plate has no movable parts, does not drop mass transfer units due to abrasion, vibration and the like, can ensure that the service performance of the valve fixing tower plate is not reduced, basically has no maintenance workload, has larger liquid level gradient on the plate, effectively prevents scaling and blockage, simultaneously causes more rising air flow entrainment, is easy to generate flooding when the operation condition is changed greatly, and has certain limitation in the practical operation of operation elasticity.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides a novel efficient tray which is reasonable in design, simple in structure and capable of reducing flooding.
The technical scheme adopted for solving the technical problems is as follows:
The novel efficient tray is fixed on the inner wall of the tower, a tray plate is arranged on the tray plate, an air lifting hole is formed in the tray plate, a common cap cover is arranged on the upper part of the air lifting hole, and a plurality of spray holes are formed in the side wall of the common cap cover;
The two sides of the tray are provided with flow guiding areas, a flow guiding cap cover is arranged in the flow guiding areas, one side of the flow guiding cap cover is provided with a plurality of flow guiding blocks, the flow guiding blocks are equidistantly arranged, and the flow guiding blocks close to the flow guiding areas are arranged to form a certain angle, so that the water flow direction flows to the flow guiding areas at the two sides.
Further, the air lifting hole is venturi, the common cap cover is connected with the tower plate through the fixed support leg, and the fixed support leg is welded on the common cap cover and the tower plate.
Furthermore, the openings on one side of the diversion cap cover are more, the openings on the other side of the diversion cap cover are less, and one side of the diversion cap cover with more openings is arranged in the direction facing the water flow.
Further, an air inlet is arranged at the bottom of the flow guide block, gas of the lower layer tower plate enters the flow guide block from the air inlet, distribution holes are formed in two sides of the flow guide block, and the gas diffuses from the distribution holes.
Further, a supporting ring is arranged on the inner wall of the tower, a liquid receiving plate is fixed on the supporting ring, the liquid receiving plate is connected with the tower plate, and the flow guide block is fixed on the tower plate.
Further, a supporting beam is arranged between the tower plate and the liquid receiving plate for supporting, the supporting beam is fixed on the inner wall of the tower, the tower plate is connected with the supporting beam through bolts, and the liquid receiving plate is connected with the supporting beam through bolts.
Further, the tower tray is provided with a liquid outlet, a liquid falling plate is fixed on the tower plate side at the liquid outlet, and the liquid falling plate is a folded plate with a certain angle at the lower part.
Further, a support beam is connected to the lower portion of the tower plate at the liquid outlet through bolts, and the liquid dropping plate is fixed to the side wall of the support beam.
Compared with the prior art, the novel efficient tray has the following outstanding beneficial effects:
The novel tray has three mass transfer and heat transfer stages in each layer, the gas rising from the lower layer tray is contracted by the gas flow after passing through the gas rising holes, the static pressure is reduced, the liquid on the tray enters the cap cover by the static pressure of the liquid column and the suction force of the gas flow to form a gas-liquid mixture with the rising gas flow for mass transfer and heat transfer, and the mass transfer process is the mass transfer process in the first stage; after the gas-liquid mixture is hit the top of the cover, the surface of the liquid is updated, and mass transfer in the second stage is completed in the space in the cover; the gas-liquid mixture is horizontally sprayed out through the openings on the side wall of the upper part of the cap cover, the liquid is dispersed into a large number of liquid drops with different diameters, a large mass transfer surface is formed, and the third mass transfer and heat transfer process is completed in the upper space of the liquid layer, so that the entrainment of the ascending gas flow is obviously reduced.
And the second gas lifting hole adopts Venturi type, the resistance is smaller, the gas flowing kinetic energy is more used for lifting and crushing the liquid, and the liquid quantity contacted with the gas and the liquid is larger than that of the flat hole of the sieve plate and is more fully crushed.
The flow direction of the gas-liquid mixture sprayed out of the cap cover is horizontal or inclined downward, the vertical upward velocity component of the liquid drops is very small, so that the entrainment in the gas flow is very small, the operation gas speed is very high under the condition that the plate spacing is not very large, the gas-liquid separation of the tower plates is sufficient after the gas-liquid contact, the bubbles are basically not entrained in the liquid, a foam layer is not formed at the liquid outlet, the occupied area of a liquid reducing channel is reduced, the area of an effective opening area is increased, the higher aperture ratio is realized, and the processing capacity of the tower is increased.
And fourthly, the liquid flowing out of the liquid-falling plate is guided by utilizing part of gas-phase kinetic energy, and is guided by the guide blocks, and the guide cap covers are arranged at the guide areas at the two sides, so that the uniform distribution of the liquid phase on the tower plate is realized, the liquid-phase gradient on the surface of the tower plate is improved, the non-uniformity is eliminated, the aperture ratio of the tower plate is increased, and the pressure drop and the liquid flooding rate of the tower plate are reduced.
In conclusion, the utility model has the advantages of reasonable design, simple structure, safety, reliability, convenient use and good popularization and use values.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a novel high efficiency tray;
FIG. 2 is a schematic illustration of the structure of a conventional cap in a novel high efficiency tray;
FIG. 3 is a schematic structural view of a deflector cap in a novel high efficiency tray;
fig. 4 is a top view of a new high efficiency tray at the diverter block.
The reference numerals in the drawings denote:
1. The device comprises a tower plate, 2, a common cap cover, 3, spray holes, 4, fixed support legs, 5, an air lifting hole, 6, a support beam, 7, a liquid falling plate, 8, an inner tower wall, 9, a support ring, 10, a liquid receiving plate, 11, a diversion cap cover, 12, a diversion area, 13, a diversion block, 14, an air inlet, 15, a distribution hole, 16, a liquid outlet, 17 and a liquid falling channel.
Detailed Description
The utility model will now be further described with reference to the drawings and specific examples, which are not intended to limit the utility model.
In the present utility model, unless otherwise specified, terms such as "upper, lower, left, and right" and "upper, lower, left, and right" are used generically to refer to the upper, lower, left, and right illustrated in the drawings; "inner and outer" means inner and outer relative to the contour of the respective parts themselves.
A preferred embodiment is given below:
as shown in fig. 1-4, in this embodiment, a novel efficient tray is fixed on an inner wall 8 of a tower, a tray plate 1 is installed on the tray plate, an air lifting hole 5 is formed in the tray plate 1, a common cap 2 is arranged on the upper portion of the air lifting hole 5, and a plurality of spray holes 3 are uniformly formed in the side wall of the common cap 2.
Wherein, the lift hole 5 is venturi type, and column plate 1 is connected through fixed leg 4 with ordinary cap 2, and fixed leg 4 welds on column plate 1 and ordinary cap 2.
The two sides of the tray are provided with the diversion areas 12, the diversion areas 12 are internally provided with diversion caps 11, one side of the diversion caps 11 is provided with a plurality of diversion blocks 13, the diversion blocks 13 are equidistantly arranged, and the diversion blocks 13 close to the diversion areas 12 are arranged to form a certain angle, so that the water flow direction flows to the diversion areas 12 at the two sides.
One side of the deflector 11 is provided with more holes, the other side is provided with less holes, and one side of the deflector 11 with more holes is arranged in the direction facing the water flow.
The bottom of the guide block 13 is provided with an air inlet 14, gas of the lower layer tower plate 1 enters the guide block 13 from the air inlet 14, two sides of the guide block 13 are provided with distribution holes 15, and the gas is diffused from the distribution holes 15.
The tower inner wall 8 is provided with a support ring 9, the support ring 9 is fixedly provided with a liquid receiving plate 10, the liquid receiving plate 10 is connected with the tower plate 1, and the tower plate 1 is fixedly provided with a flow guide block 13.
A supporting beam 6 is arranged between the tower plate 1 and the liquid receiving plate 10 for supporting, the supporting beam 6 is fixed on the inner wall 8 of the tower, the tower plate 1 is connected with the supporting beam 6 through bolts, and the liquid receiving plate 10 is connected with the supporting beam 6 through bolts.
The tower tray is provided with a liquid outlet 16, a support beam 6 is connected under the tower plate 1 at the liquid outlet 16 through bolts, and a liquid falling plate 7 is fixed on the side wall of the support beam 6, wherein the liquid falling plate 7 is a folded plate with a certain angle at the lower part.
When the novel efficient tray is used, gas rising from the lower layer tray 1 is contracted by the gas flow after passing through the gas rising holes 5, the static pressure is reduced, and liquid on the tray 1 enters the cap cover (the common cap cover 2 and the diversion cap cover 11) by the liquid column static pressure of the tray and the suction force of the gas flow to form a gas-liquid mixture with rising gas flow for mass transfer and heat transfer, which is a mass transfer process in the first stage.
And after the gas-liquid mixture is hit the top of the cover, the surface of the liquid is updated, and mass transfer in the second stage is completed in the space in the cover. The gas-liquid mixture is horizontally sprayed out through the spray holes 3 on the side wall of the upper part of the cap cover, the liquid is dispersed into a large number of liquid drops with different diameters, a large mass transfer surface is formed, and the third mass transfer and heat transfer process is completed in the upper space of the liquid layer, so that the entrainment of the ascending air flow is obviously reduced.
The flow direction of the gas-liquid mixture sprayed out from the cap cover is horizontal or inclined downward, the vertical upward velocity component of the liquid drops is very small, so that the entrainment in the air flow is very small, the operation air speed is very high under the condition that the distance between the tower plates 1 is not very large, the gas-liquid contact of the tower plates 1 is fully separated, the bubbles are basically not entrained in the liquid, a foam layer is not formed at the liquid outlet 16, the occupied area of a liquid reducing channel 17 can be reduced, the area of an effective open pore area is increased, the higher aperture ratio is realized, and the processing capacity of the tower is increased.
The air lifting holes 5 adopt Venturi type, the resistance is smaller, the gas flowing kinetic energy is more used for lifting and crushing the liquid, and the liquid quantity contacted with the gas-liquid is larger than that of the flat holes of the sieve plate and is more fully crushed.
The liquid-falling plate 7 is arranged at the liquid outlet 16, the liquid-falling plate 7 can perform primary diversion and guiding, and diversion is performed to two sides through diversion of the diversion block 13, so that flooding is avoided.
Meanwhile, the diversion areas 12 on the two sides are also provided with diversion caps 11, so that the uniform distribution of liquid phase on the tower plate 1 is realized, the liquid phase gradient on the surface of the tower plate 1 is improved, the non-uniformity is eliminated, the aperture ratio of the tower plate 1 is increased, and the pressure drop and the flooding rate of the tower plate 1 are further reduced.
The above embodiment is only one of the preferred embodiments of the present utility model, and the ordinary changes and substitutions made by those skilled in the art within the scope of the present utility model should be included in the scope of the present utility model.
Claims (8)
1. The novel efficient tray is fixed on the inner wall of the tower, and a tray plate is arranged on the tray plate, and is characterized in that an air lifting hole is formed in the tray plate, a common cap cover is arranged on the upper part of the air lifting hole, and a plurality of spray holes are formed in the side wall of the common cap cover;
The two sides of the tray are provided with flow guiding areas, a flow guiding cap cover is arranged in the flow guiding areas, one side of the flow guiding cap cover is provided with a plurality of flow guiding blocks, the flow guiding blocks are equidistantly arranged, and the flow guiding blocks close to the flow guiding areas are arranged to form a certain angle, so that the water flow direction flows to the flow guiding areas at the two sides.
2. The novel high efficiency tray of claim 1, wherein the lift holes are venturi-type, the common cap is connected to the tray by means of fixed legs, and the fixed legs are welded to the common cap and the tray.
3. The novel high efficiency tray of claim 1, wherein one side of the cap has more openings and the other side has less openings, and one side of the cap with more openings is mounted in the direction of water flow.
4. A novel high-efficiency tray according to claim 2 or 3, wherein the bottom of the guide block is provided with an air inlet hole, gas of the lower layer tray enters the guide block from the air inlet hole, two sides of the guide block are provided with distribution holes, and the gas is diffused from the distribution holes.
5. The novel efficient tray according to claim 1, wherein a supporting ring is arranged on the inner wall of the tower, a liquid receiving plate is fixed on the supporting ring and connected with the tower plate, and the flow guiding block is fixed on the tower plate.
6. The novel efficient tray according to claim 5, wherein a support beam is arranged between the tray plate and the liquid receiving plate for supporting, the support beam is fixed on the inner wall of the column, the tray plate is connected with the support beam through bolts, and the liquid receiving plate is connected with the support beam through bolts.
7. The novel high-efficiency tray according to claim 6, wherein the tray is provided with a liquid outlet, a liquid-lowering plate is fixed on the tray plate side at the liquid outlet, and the liquid-lowering plate is a folded plate with a certain angle at the lower part.
8. The novel high-efficiency tray according to claim 7, wherein a support beam is connected under the tower plate at the liquid outlet through bolts, and the liquid-lowering plate is fixed on the side wall of the support beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322814363.6U CN220940776U (en) | 2023-10-20 | 2023-10-20 | Novel high-efficient tower tray |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322814363.6U CN220940776U (en) | 2023-10-20 | 2023-10-20 | Novel high-efficient tower tray |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220940776U true CN220940776U (en) | 2024-05-14 |
Family
ID=91008318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322814363.6U Active CN220940776U (en) | 2023-10-20 | 2023-10-20 | Novel high-efficient tower tray |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220940776U (en) |
-
2023
- 2023-10-20 CN CN202322814363.6U patent/CN220940776U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |