CN208320035U - A kind of shunt downspout - Google Patents
A kind of shunt downspout Download PDFInfo
- Publication number
- CN208320035U CN208320035U CN201820705330.4U CN201820705330U CN208320035U CN 208320035 U CN208320035 U CN 208320035U CN 201820705330 U CN201820705330 U CN 201820705330U CN 208320035 U CN208320035 U CN 208320035U
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- CN
- China
- Prior art keywords
- column plate
- downspout
- shunting disk
- isocon
- plate
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- 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.)
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Abstract
A kind of shunt downspout disclosed by the utility model, including the down-flow plate being connect with upper layer column plate, down-flow plate is between neighbouring two layers of column plate and top upwardly extends to form overflow weir, it is correspondingly arranged on shunting disk far from column plate side on down-flow plate, the diffluence pass for being connected to column plate with shunting disk is offered on overflow weir；Column plate side is provided with the isocon that top is connected to shunting pan bottom, the bottom end closure of isocon on down-flow plate, down-flow plate corresponds to isocon close to column plate side and is provided with diversion pipe in communication.A kind of shunt downspout of the utility model can be by most of separating liquid, at the same time by the shunting disk and isocon of setting, and the cofferdam of shunting disk, which is equivalent to, increases overflow weir, and sprinkling flow density is greatly lowered in double action；Liquid a part of shunting exports downspout, is not take up the effective coverage of existing tower tray mass transfer, can greatly improve the liquid phase handling capacity of existing tower tray, is most suitable for for capacity expansion revamping.
Description
Technical field
The utility model belongs to chemical separating equipment technical field, and in particular to a kind of shunt downspout.
Background technique
The country is very active in terms of the research of float valve, but few people do the work of downspout.In fact, general descending liquid
Pipe and seal pot have accounted for effective mass transfer area of column plate 15%~40%.In prior art, plate column at work, in tower
Liquid lowers on column plate from the downspout of upper layer column plate, after the gas contact mass transfer of rising, from overflowing for this layer of downspout
It flows and is overflowed at weir, then drop to next layer of column plate, wherein the parameter for embodying one of liquid handling capacity is exactly that flow through unit weir long
Fluid flow, be sprinkling flow density, that is to say, that the long (m of sprinkling flow density=liquid phase volume flow/weir3/m·h).In the design,
Sprinkling flow density should not be too large, and it is long otherwise to increase weir.The common long mode in weir that increases is to increase downspout i.e. process.Obviously, one
Downspout on layer column plate is more, and the column plate region of occupancy is more, and mass transfer area will be reduced, and drops the separating capacity of column plate
It is low.
Utility model content
The purpose of this utility model is to provide a kind of shunt downspouts, can effectively improve the processing capacity of tower tray.
The technical scheme adopted by the utility model is a kind of shunt downspout, including the drop being connect with upper layer column plate
Liquid plate, down-flow plate is between neighbouring two layers of column plate and top upwardly extends to form overflow weir, far from column plate on down-flow plate
Side is correspondingly arranged on shunting disk, and the diffluence pass for being connected to column plate with shunting disk is offered on overflow weir；Far from tower on down-flow plate
Plate side is provided with top and is connected to the isocon for shunting pan bottom, and the bottom end closure of isocon, down-flow plate is close to column plate side
Corresponding isocon is provided with diversion pipe in communication.
The utility model is also characterized by
Shunting disk is provided with one or is arranged at intervals with two or more side by side, and shunting disk passes through diffluence pass and is connected to column plate
And bottom is respectively connected with isocon.
The cross section of shunting disk or isocon is trapezoidal, triangle or rectangle.
The bottom of shunting disk flushes with column plate and offers several tap holes, and the circumferential bending upwards of shunting disk is formed and overflow
Flow the contour cofferdam in weir.
The bottom end opening of diversion pipe and to contract.
The beneficial effects of the utility model are: a kind of shunt downspout of the utility model, by the shunting disk of setting and
Isocon, can be by most of separating liquid, at the same time, and the cofferdam of shunting disk, which is equivalent to, increases overflow weir, and double action is big
Amplitude reduction sprinkling flow density；Liquid a part of shunting is directly leaked into downspout through tap hole, and another part passes through isocon
Downspout is exported with diversion pipe, and is not take up the effective coverage of existing tower tray mass transfer, ensure that the mass transfer area of tower tray is constant, energy
The liquid phase handling capacity for greatly improving existing tower tray is most suitable for for capacity expansion revamping.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of shunt downspout of the utility model；
Top view when Fig. 2 is a shunting disk in a kind of shunt downspout of the utility model；
Top view when Fig. 3 is two shunting disks in a kind of shunt downspout of the utility model.
In figure, 1. column plates, 2. down-flow plates, 3. overflow weirs, 4. shunting disks, 5. diffluence pass, 6. isocons, 7. diversion pipes, 8.
Tap hole, 9. cofferdam.
Specific embodiment
With reference to the accompanying drawing and the utility model is described in detail in specific embodiment.
The utility model provides a kind of shunt downspout, as shown in Figure 1 to Figure 3, including what is connect with upper layer column plate 1
Down-flow plate 2, down-flow plate 2 is between neighbouring two layers of column plate 1 and top upwardly extends to form overflow weir 3, remote on down-flow plate 2
It is correspondingly arranged on shunting disk 4 from 1 side of column plate, the bottom of shunting disk 4 flushes with column plate 1 and offer several tap holes 8, shunts
Circumferential bending formation and the contour cofferdam 9 of overflow weir 3 upwards of disk 4 offer on overflow weir 3 and are connected to column plate 1 with shunting disk 4
Diffluence pass 5；1 side of column plate is provided with the isocon 6 that top is connected to 4 bottom of shunting disk, isocon 6 on down-flow plate 2
Bottom end closure, down-flow plate 2 corresponds to isocon 6 close to 1 side of column plate and is provided with diversion pipe 7 in communication, the bottom of diversion pipe 7
End opening and to contract.
Shunting disk 4 is provided with one or is arranged at intervals with two or more side by side, and shunting disk 4 passes through diffluence pass 5 and column plate 1
It is connected to and bottom is respectively connected with isocon 6；The cross section of shunting disk 4 or isocon 6 is trapezoidal, triangle or rectangle.
When work, liquid enters descending trays 1 by the downspout of upper layer column plate 1 in tower, wherein downspout is in Dan Yi
It is formed in stream tower tray by down-flow plate 2 and tower wall, is formed in double overflow tower tray by two down-flow plates 2 close to each other.In liquid
Bottom tapping hole 8 and cofferdam 9 during entering descending trays 1, by 5 rear portion liquid of diffluence pass through shunting disk 4
Upper edge enters in downspout；Another part liquid is then diverted in isocon 6, is exported outside downspout by diversion pipe 7 later,
Fall into descending trays 1.
By the above-mentioned means, a kind of shunt downspout of the utility model can by the shunting disk 4 and isocon 6 of setting
By most of separating liquid, at the same time, the cofferdam 9 of shunting disk 4, which is equivalent to, increases overflow weir 3, and double action is significantly dropped
Low sprinkling flow density；Liquid a part of shunting is directly leaked into downspout through tap hole 8, and another part is by isocon 6 and leads
Flow tube 7 exports downspout, and is not take up the effective coverage of existing tower tray mass transfer, ensure that the mass transfer area of tower tray is constant, can be big
Width improves the liquid phase handling capacity of existing tower tray, is most suitable for for capacity expansion revamping.
Claims (5)
1. a kind of shunt downspout, which is characterized in that including the down-flow plate (2) being connect with upper layer column plate (1), down-flow plate (2)
Between neighbouring two layers of column plate (1) and top upwardly extends and to be formed overflow weir (3), far from column plate (1) on down-flow plate (2)
Side is correspondingly arranged on shunting disk (4), and the diffluence pass (5) for being connected to column plate (1) with shunting disk (4) is offered on overflow weir (3)；
Column plate (1) side is provided with the isocon (6) that top is connected to shunting disk (4) bottom, isocon (6) on down-flow plate (2)
Bottom end closure, down-flow plate (2) corresponds to isocon (6) and is provided with diversion pipe in communication (7) close to column plate (1) side.
2. a kind of shunt downspout as described in claim 1, which is characterized in that the shunting disk (4) be provided with one or
It is arranged at intervals with two or more side by side, shunting disk (4) is connected to by diffluence pass (5) with column plate (1) and bottom is respectively connected with point
Flow tube (6).
3. a kind of shunt downspout as described in claim 1, which is characterized in that the shunting disk (4) or isocon (6)
Cross section be trapezoidal, triangle or rectangle.
4. a kind of shunt downspout as described in claim 1, which is characterized in that the bottom of the shunting disk (4) and column plate
(1) it flushes and offers several tap holes (8), circumferential bending formation and overflow weir (3) contour cofferdam upwards of shunting disk (4)
(9)。
5. a kind of shunt downspout as described in claim 1, which is characterized in that the bottom end opening of the diversion pipe (7) and
To contract.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820705330.4U CN208320035U (en) | 2018-05-10 | 2018-05-10 | A kind of shunt downspout |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820705330.4U CN208320035U (en) | 2018-05-10 | 2018-05-10 | A kind of shunt downspout |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208320035U true CN208320035U (en) | 2019-01-04 |
Family
ID=64777752
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820705330.4U Active CN208320035U (en) | 2018-05-10 | 2018-05-10 | A kind of shunt downspout |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208320035U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111135598A (en) * | 2020-01-11 | 2020-05-12 | 无锡市华诚石化设备有限责任公司 | Liquid descending buffer device of multi-downcomer tower tray |
-
2018
- 2018-05-10 CN CN201820705330.4U patent/CN208320035U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111135598A (en) * | 2020-01-11 | 2020-05-12 | 无锡市华诚石化设备有限责任公司 | Liquid descending buffer device of multi-downcomer tower tray |
| CN111135598B (en) * | 2020-01-11 | 2021-06-15 | 无锡市华诚石化设备有限责任公司 | Liquid descending buffer device of multi-downcomer tower tray |
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