CN208500870U - A kind of improvement type fractionating column - Google Patents
A kind of improvement type fractionating column Download PDFInfo
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- CN208500870U CN208500870U CN201821018697.5U CN201821018697U CN208500870U CN 208500870 U CN208500870 U CN 208500870U CN 201821018697 U CN201821018697 U CN 201821018697U CN 208500870 U CN208500870 U CN 208500870U
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- fractionating column
- tower tray
- tower
- column
- cylinder
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Abstract
The utility model discloses a kind of improvement type fractionating columns, including the tower tray being interspersed up and down in fractionating column cylinder and cylinder, the fractionating column cylinder includes sequentially connected merogenesis tower, it is detachably connected between two adjacent merogenesis towers, the tower tray includes column plate, riser, bubble-cap and overflow weir, riser is evenly distributed on the column plate, the top of each riser is provided with bubble-cap, the overflow weir is located at column plate outer ledge and vertical with column plate, downspout is provided on column plate between two adjacent riseies, 24th~40 layer of tower tray is detachably connected with fractionating column cylinder, the material of the bubble-cap is cast iron, the length of each tower tray accounts for the 3/5~4/5 of fractionating column cylinder internal diameter.The utility model can be used in improving the existing fractionating column of traditional fractionating column there are gas-phase space between each tower tray is small, and tower pressure is big, and separating effect is poor, causes every oil quality index more difficult to control, and the problem of corrosion condition occur in mixed triolein extraction layer.
Description
Technical field
The utility model belongs to coal tar processing technology field more particularly to a kind of improvement type fractionating column.
Background technique
Fractionation is a kind of boiling point difference using liquid mixture, carries out the common method of liquid mixture separation, petroleum
Refining process largely carries out the separation of various oil products in this way.Dividing from the coal tar fraction steam of two sections of steaming musical instruments used in a Buddhist or Taoist mass
Evaporating fractionation in tower is each fraction.Tower top light oil flows back, and tower bottom is passed through the steam of overheat.In coal tar deep processing process
In, fractionating column mainly carries out crude separation to carbolineum, light oil, mixed triolein (carbolic oil, naphtalene oil, washing oil).Existing fractionating column exists each
Gas-phase space is small between tower tray, and tower pressure is big, and separating effect is poor, causes every oil quality index more difficult to control, and mixed three
There is the problem of corrosion condition in oil extraction layer.
Summary of the invention
The purpose of this utility model is that: for above-mentioned existing fractionating column there are gas-phase space between each tower tray is small, tower
Pressure is big, and separating effect is poor, causes every oil quality index more difficult to control, and corrosion condition occurs in mixed triolein extraction layer
Problem, the utility model provide a kind of improvement type fractionating column.
The technical solution adopted in the utility model is as follows:
A kind of improvement type fractionating column, it is described including the tower tray being interspersed up and down in fractionating column cylinder and fractionating column cylinder
Fractionating column cylinder includes sequentially connected merogenesis tower, is detachably connected between two neighboring merogenesis tower, the tower tray include column plate,
Riser, bubble-cap and overflow weir are evenly distributed with riser on the column plate, and the top of each riser is provided with bubble
Cover, the overflow weir are located at column plate outer ledge and vertical with column plate, equal on the column plate between two adjacent riseies
It is provided with downspout, 40~45 layers of interlaced tower tray are provided in the fractionating column cylinder, wherein described in the 24th~40 layer
Tower tray is detachably connected with fractionating column cylinder, and the material of the bubble-cap is cast iron, and the length of each tower tray accounts for fractionating column
The 3/5~4/5 of cylinder internal diameter.
When work, liquid flows into lower layer's tower tray through downspout by upper layer tower tray, then laterally tides over tower tray, then flow into next
Layer tower tray can maintain liquid on column plate uniformly to overflow by the way that overflow weir is arranged；Gas ascends into riser from lower layer's tower tray,
It scatters again through bubble-cap into the liquid layer between bubble-cap.It can make gas-liquid two-phase contact sufficiently by the tray structure being staggered, pass
Matter area is big, and tray efficiency improves.The contact area of gas-liquid two-phase can be increased by the way that downspout is arranged, tower pressure can also be reduced,
Tower temperature is also corresponding therewith to be reduced, and then reaches energy-efficient purpose.The material of bubble-cap is changed to cast iron, it can be mixed with effective solution three
The problem of oily (carbolic oil, naphtalene oil, washing oil) extraction layer tower tray corrodes.By the way that detachable cast iron bubble cap plate is arranged, make
Mixed triolein (carbolic oil, naphtalene oil, washing oil) is just put and is done quality and be improved, added by the superheated steam for being passed through Fractionator Bottom
Enter amount and is reduced to 110~130m3/ h (even lower, depending on three mixed results of laboratory test) and will extraction control of valve position 20% with
Under, tower bottom carbolineum is can be controlled within 2% containing naphthalene, while can preferably control every oil quality index.
Further, the riser height is 40~60mm, and the height of bubble cap is 90~110mm.By to a liter gas
The adjustment of pipe height and height of bubble cap reduces entire liquid phase resistance, and gas-phase space becomes larger, and tower tray overall resistance reduces, product
Quality preferably controls.
Further, the downspout on two adjacent column plates is interlaced.By the way that interlaced downspout is arranged
It extends ascending vapor and declines the time of contact of liquid phase, keep its separation more abundant.
Further, the fractionating column cylinder inboard wall is fixed with the stainless steel plate press strip of 5mm thickness by the first bolt, described
Tower tray is removably connected on stainless steel plate press strip by the second bolt.Ensure that the detachability of tower tray and be convenient to clean and
Installation.
Further, it is detachably connected by flange between the two neighboring merogenesis tower.It may be implemented to different productions
Product can increase or decrease at any time the height of fractionating column, and be readily disassembled cleaning, and installation is easy after cleaning.
Further, the tower tray is fixed on fractionating column cylinder inboard wall, and is in one on one between two neighboring tower tray
Flowering structure.It can guarantee gas curved rising in fractionating column cylinder, to realize filling between uprising gas and dropping liq
Tap touching, improves fractionating efficiency.
In conclusion by adopting the above-described technical solution, the beneficial effects of the utility model are:
1. gas-liquid two can be made by passing through the downspout being arranged on the tray structure and column plate being staggered in the utility model
It is in contact sufficiently, mass transfer area is big, and tray efficiency improves, and can also reduce tower pressure, tower temperature is also corresponding therewith to be reduced, and then reaches section
It can purpose；The material of bubble-cap is changed to cast iron, layer tower tray can be produced with effective solution mixed triolein (carbolic oil, naphtalene oil, washing oil) and gone out
The problem of now corroding.By the way that detachable cast iron bubble cap plate is arranged so that mixed triolein (carbolic oil, naphtalene oil, washing oil) just point and
It does quality to be improved, by the way that superheated steam additional amount in fractionating column is reduced to 110~130m3/ h (it is even lower, with three
Depending on mixed result of laboratory test) and control of valve position will be produced 20% hereinafter, tower bottom carbolineum is can be controlled within 2% containing naphthalene, simultaneously
Every oil quality index can preferably be controlled.
2. reducing entire liquid phase resistance, gas by the adjustment to riser height and height of bubble cap in the utility model
Phase space becomes larger, and tower tray overall resistance reduces, and product quality preferably controls.
3. interlaced by the downspout on two adjacent column plates in the utility model, extend ascending vapor and
The time of contact for declining liquid phase, keep its separation more abundant.
4. fractionating column cylinder inboard wall is fixed with the stainless steel plate press strip of 5mm thickness by the first bolt in the utility model, and
Tower tray is removably connected on stainless steel plate press strip by the second bolt.Ensure that the detachability of tower tray and be convenient to clean and
Installation.
5. being detachably connected by flange between two neighboring merogenesis tower in the utility model.It may be implemented to different productions
Product can increase or decrease at any time the height of fractionating column, and be readily disassembled cleaning, and installation is easy after cleaning.
6. tower tray is fixed on fractionating column cylinder inboard wall in the utility model, and two neighboring tower tray is in tie one on the other
Structure.It can guarantee gas curved rising in fractionating column cylinder, to realize sufficiently connecing between uprising gas and dropping liq
Touching improves fractionating efficiency.
Detailed description of the invention
The utility model will illustrate by example and with reference to the appended drawing, in which:
Fig. 1 is the utility model fractionating column structural schematic diagram；
Fig. 2 is the cross-sectional view of partial enlargement at A in the utility model Fig. 1；
Fig. 3 is the side view of partial enlargement at B in the utility model Fig. 1.
Appended drawing reference: 1- fractionating column cylinder, 2- tower tray, 3- column plate, 4- riser, 5- bubble-cap, 6- overflow weir, 7- descending liquid
Pipe, 8- stainless steel plate press strip, 9- flange, 10- merogenesis tower, the first bolt of 11-, the second bolt of 12-.
Specific embodiment
All features disclosed in this specification or disclosed all methods or in the process the step of, in addition to mutually exclusive
Feature and/or step other than, can combine in any way.
It elaborates below with reference to Fig. 1, Fig. 2, Fig. 3 to the utility model.
Embodiment 1
A kind of improvement type fractionating column, including the tower tray 2 being interspersed up and down in fractionating column cylinder 1 and fractionating column cylinder 1, institute
Stating fractionating column cylinder 1 includes sequentially connected merogenesis tower 10, is detachably connected between two neighboring merogenesis tower 10, the tower tray 2
Including column plate 3, riser 4, bubble-cap 5 and overflow weir 6, riser 4, each riser 4 are evenly distributed on the column plate 3
Top be provided with bubble-cap 5, the overflow weir 6 is located at 3 outer ledge of column plate and vertical with column plate 3, and two are adjacent described
Downspout 7 is provided on column plate 3 between riser 4, be provided in the fractionating column cylinder 1 40~45 layers it is interlaced
Tower tray 2, wherein the 24th~40 layer of tower tray 2 is detachably connected with fractionating column cylinder 1, the material of the bubble-cap 5 is cast iron,
The length of each tower tray 2 accounts for the 3/5~4/5 of 1 internal diameter of fractionating column cylinder.
When work, liquid flows into lower layer's tower tray 2 through downspout 7 by upper layer tower tray 2, then laterally tides over tower tray 2, then flow into
Next layer of tower tray 2 can maintain liquid on column plate 3 uniformly to overflow by the way that overflow weir 6 is arranged；Gas from lower layer's tower tray 2 rise into
Enter riser 4, then scatters through bubble-cap 5 into the liquid layer between bubble-cap 5.It can make gas-liquid two by 2 structure of tower tray being staggered
It is in contact sufficiently, mass transfer area is big, and 2 efficiency of tower tray improves.The contact surface of gas-liquid two-phase can be increased by the way that downspout 7 is arranged
Product can also reduce tower pressure, and tower temperature is also corresponding therewith to be reduced, and then reaches energy-efficient purpose.The material of bubble-cap 5 is changed to cast iron,
The problem of layer tower tray 2 corrodes can be produced with effective solution mixed triolein (carbolic oil, naphtalene oil, washing oil).It is detachable by being arranged
The cast iron bubble cap plate 3 of formula is improved, by that will be fractionated so that quality is just put and do to mixed triolein (carbolic oil, naphtalene oil, washing oil)
The superheated steam additional amount that tower bottom is passed through is reduced to 110~130m3/h (even lower, depending on three mixed results of laboratory test) and will
Control of valve position is produced 20% hereinafter, tower bottom carbolineum is can be controlled within 2% containing naphthalene, while can preferably control every oil product
Quality index.
Embodiment 2
On the basis of embodiment 1,4 height of riser is 40~60mm, and 5 height of bubble-cap is 90~110mm.
By the adjustment to 4 height of riser and 5 height of bubble-cap, reduce entire liquid phase resistance, gas-phase space becomes larger, and tower tray 2 is whole
Resistance reduces, and product quality preferably controls.
Embodiment 3
On the basis of embodiment 1, the descending liquid 7 on two adjacent column plates 3 is managed interlaced.Extend ascending vapor
With the time of contact of decline liquid phase, keep its separation more abundant.
Embodiment 4
On the basis of embodiment 1,1 inner wall of fractionating column cylinder is fixed with the stainless of 5mm thickness by the first bolt 11
Steel plate press strip 8, the tower tray 2 are removably connected on stainless steel plate press strip 8 by the second bolt 12.It ensure that tower tray 2
It detachability and is convenient to clean and installs.
Embodiment 5
On the basis of embodiment 1, it is detachably connected by flange 9 between the two neighboring merogenesis tower 10.It can be with
Realization can increase or decrease at any time the height of fractionating column to different product, and be readily disassembled cleaning, and installation is easy after cleaning.
Embodiment 6
On the basis of embodiment 1, the tower tray 2 is fixed on 1 inner wall of fractionating column cylinder, and two neighboring tower tray 2 is equal
In structure one on the other.It can guarantee gas curved rising in fractionating column cylinder 1, to realize uprising gas and lower descending liquid
Coming into full contact between body improves fractionating efficiency.
Claims (6)
1. a kind of improvement type fractionating column, including the tower tray being interspersed up and down in fractionating column cylinder (1) and fractionating column cylinder (1)
(2), the fractionating column cylinder (1) includes sequentially connected merogenesis tower (10), detachable between two adjacent merogenesis towers (10)
Connection, the tower tray (2) includes column plate (3), riser (4), bubble-cap (5) and overflow weir (6), is uniformly divided on the column plate (3)
It is furnished with riser (4), the top of each riser (4) is provided with bubble-cap (5), and the overflow weir (6) is located at column plate (3)
Outer ledge and vertical with column plate (3), which is characterized in that be respectively provided on the column plate (3) between two adjacent riseies (4)
Have downspout (7), 40~45 layers of interlaced tower tray (2) is provided in the fractionating column cylinder (1), wherein the 24th~40 layer
The tower tray (2) is detachably connected with fractionating column cylinder (1), and the material of the bubble-cap (5) is cast iron, each tower tray
(2) length accounts for the 3/5~4/5 of fractionating column cylinder (1) internal diameter.
2. a kind of improvement type fractionating column according to claim 1, which is characterized in that the riser (4) highly for 40~
60mm, the bubble-cap (5) are highly 90~110mm.
3. a kind of improvement type fractionating column according to claim 1, which is characterized in that on two adjacent column plates (3)
Downspout (7) is interlaced.
4. a kind of improvement type fractionating column according to claim 1, which is characterized in that fractionating column cylinder (1) inner wall is logical
The stainless steel plate press strip (8) that the first bolt (11) is fixed with 5mm thickness is crossed, the tower tray (2) is detachable by the second bolt (12)
Be connected on stainless steel plate press strip (8).
5. a kind of improvement type fractionating column according to claim 1, which is characterized in that the two neighboring merogenesis tower (10) it
Between be detachably connected by flange (9).
6. a kind of improvement type fractionating column according to claim 1, which is characterized in that the tower tray (2) is fixed on fractionating column
On cylinder (1) inner wall, and in structure one on the other between two neighboring tower tray (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821018697.5U CN208500870U (en) | 2018-06-29 | 2018-06-29 | A kind of improvement type fractionating column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821018697.5U CN208500870U (en) | 2018-06-29 | 2018-06-29 | A kind of improvement type fractionating column |
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| Publication Number | Publication Date |
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| CN208500870U true CN208500870U (en) | 2019-02-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821018697.5U Active CN208500870U (en) | 2018-06-29 | 2018-06-29 | A kind of improvement type fractionating column |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111888873A (en) * | 2020-08-13 | 2020-11-06 | 绿水青山环保科技（大连）有限公司 | Wet-process full-component waste gas purification tower, purification system and purification method |
-
2018
- 2018-06-29 CN CN201821018697.5U patent/CN208500870U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111888873A (en) * | 2020-08-13 | 2020-11-06 | 绿水青山环保科技（大连）有限公司 | Wet-process full-component waste gas purification tower, purification system and purification method |
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