CN106345229B - A kind of high-efficiency activated ripple packing assembly - Google Patents
A kind of high-efficiency activated ripple packing assembly Download PDFInfo
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- CN106345229B CN106345229B CN201610741091.3A CN201610741091A CN106345229B CN 106345229 B CN106345229 B CN 106345229B CN 201610741091 A CN201610741091 A CN 201610741091A CN 106345229 B CN106345229 B CN 106345229B
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- packing
- ripple
- tower
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- ripple packing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/18—Absorbing units; Liquid distributors therefor
Abstract
The invention discloses a kind of high-efficiency activated ripple packing assemblys, it includes tower top packing layer（2）, bottom of tower packing layer（4）With main body packing layer（3）, main body packing layer is from bottom to top by ripple packing I（8）, ripple packing II（9）With ripple packing III（10）It constitutes, bottom of tower packing layer is by structured packing（7）It constitutes, the ratio of the sum of tower top bed stuffing height and main body packing layer and bottom of tower bed stuffing height is 0.3 0.4: 0.6 0.7, the ratio between the ripple packing III and the porosity of perforated filling material are 1.0 1.2: 0.8 1.0, the ripple packing III, ripple packing II, ripple packing I and the porosity of structured packing gradually increase, ripple packing III, the specific surface area of ripple packing II and ripple packing I gradually reduces, absorption tower treatment effect not only can be improved in it, absorption efficiency can be improved again, it reduces and absorbs tower height degree, reduce absorption tower operation load, save energy consumption, it reduces and absorbs processing cost.
Description
Technical field
The present invention relates to industrial inner-tower filling materials, particularly with regard to the high-efficiency activated mass transfer ripple used in absorption tower
Filler combination body.
Background technology
In current industrial relieving haperacidity absorbs tower, general top layer filler, the assembly of underfilling and intermediate filler
Mass transfer boundary layer is exchanged as gas-liquid, wherein intermediate filler is mostly to be built to build with the filler of same specification, in order to ensure in
Between filler have enough specific surface areas, so that gas-liquid two-phase is come into full contact with, and do not cause larger flow resistance, intermediate filler layer
Height, which determines, is important technical matters, the existing determination for absorbing tower height degree be Chemical Engineering Design unit according to yield, strength of fluid,
The elements such as flow determine inner-tower filling material layer height and diameter by basic calculating formula, but this determining packed height and diameter
There is also following deficiencies for mode.Tower top, bottom of tower and middle layer are related only to packing layer in the calculating formula, and packing layer is risen
The filling-material structure of the middle layer of key effect is not determined with distribution, thus existing absorption tower middle layer in practice of construction is big
All use single specification type filler, due to the ratio of intermediate layer height and tower top or bottom of tower packed height it is on duty generally 3 with
On, therefore middle layer filler is constituted by single specification type, it is quickly flowed from top to bottom not only bad for liquid, influences to absorb
Treatment effect, and tower load and damage have been aggravated, energy consumption is increased, absorption processing cost is improved.
Invention content
The problems of filler combination body in tower is absorbed in for the above-mentioned prior art, the present invention is according to absorption tower
The flow behavior that gas-liquid mass transfer exchanges in equipment, it is proposed that a kind of intermediate filler layer with different size Plant composition and bottom,
The filler combination body of top layer.
High-efficiency activated ripple packing assembly of the present invention includes being sequentially located at liquid distribution in absorption tower from top to bottom
Tower top packing layer, bottom of tower packing layer between device and ball collar and main body packing layer, the tower top packing layer is by random packing and opens
Hole filler is constituted, and the main body packing layer is made of ripple packing I, ripple packing II and ripple packing III from bottom to top, described
Bottom of tower packing layer is made of structured packing, the sum of the tower top bed stuffing height and main body packing layer and bottom of tower bed stuffing height
Than being 0.3-0.4: 0.6-0.7, the ratio between the ripple packing III and the porosity of perforated filling material are 1.0-1.2: 0.8-1.0, institute
It states ripple packing III, ripple packing II, ripple packing I and the porosity of structured packing gradually to increase, the ripple packing III, wave
The specific surface area of line filler II and ripple packing I gradually reduces, and the porosity of the structured packing is not less than 90%.
The main body packing layer of high-efficiency activated mass transfer ripple packing assembly of the present invention by three kinds of different porosities wave
Line filler I, ripple packing II and ripple packing III form, tower top bed stuffing height and main body packing layer and bottom of tower bed stuffing height
The sum of ratio be 0.38: 0.62, the ratio between the ripple packing III that is in contact on cut-off rule and porosity of perforated filling material are 1.0-
1.2: 0.8-1.0, main body filler from top to bottom porosity increase, specific surface area gradually reduce, gas-liquid successively ripple packing III,
After abundant mass transfer exchanges in ripple packing II and ripple packing I, quickly flows out from structured packing, not only can be improved at absorption tower
Effect is managed, and absorption efficiency can be improved, and can accordingly reduce absorption tower height degree, absorption tower operation load is reduced, saves energy consumption,
It reduces and absorbs processing cost.
The construction feature of each part filler is passed according to gas-liquid in absorption tower in the high-efficiency activated ripple packing assembly
The flow behavior of mass transter designs the filler combination body to be formed by the filler combination of different height, porosity and specific surface area.
Description of the drawings
Fig. 1 is the composite construction relation schematic diagram of the present invention.
In the figure 1, escape pipe 2, tower top packing layer 3, main body packing layer 4, bottom of tower packing layer 5, air inlet pipe 6, ball
Arch 7, structured packing 8, ripple packing I 9, ripple packing II 10, ripple packing III 11, perforated filling material 12, random packing
13, liquid distribution trough 14, cut-off rule 15, outlet tube 16, pedestal 17, inlet tube.
Specific implementation mode
The high-efficiency activated ripple packing assembly includes being sequentially located at liquid distribution in absorption tower from top to bottom in the figure
Tower top packing layer 2, main body packing layer 3 between device 13 and ball collar 6 and bottom of tower packing layer 4, the liquid distribution trough are located at outlet
1 lower section of pipe, liquid distribution trough are connected with inlet tube 17, and ball collar is located at 5 top of air inlet pipe and is arranged on pedestal 16, is set on pedestal
The outlet tube 15 set, the tower top packing layer is by random packing 12（Such as ladder ring packing, Raschig ring filler）With perforated filling material 11
（Pored ceramic ball, ceramic ring filler are constituted, and the main body packing layer is filled out by ripple packing I 8, ripple packing II 9 and ripple from bottom to top
Expect III 10 compositions, the bottom of tower packing layer is by structured packing 7（Such as efficient hexagon ring body filler, fenestra filler）It constitutes, it is described
The ratio of the sum of tower top bed stuffing height and main body packing layer and bottom of tower bed stuffing height is 0.3-0.4: 0.6-0.7（Ratio 1.75-
2）, described to be located at cut-off rule 14（Also referred to as golden section line）On the ratio between ripple packing III 10 and the porosity of perforated filling material 11 be
1.0-1.2: 0.8-1.0, the ripple packing III, ripple packing II, ripple packing I and the porosity of structured packing press 1: 1.04
: 1.08: 1.14 gradually increase, the ripple packing III, ripple packing II, ripple packing I and the specific surface area of structured packing from
It is gradually reduced by 2: 1.7: 1.3: 1 under, I height of the ripple packing is 2.5: 3 with structured packing height ratio, described regular
The porosity of filler is not less than 90%, and the structured packing, which is that a kind of porosity is big, flow resistance is small, structural strength is high, contains aluminium
Measure high filler, the structured packing is the last channel that fluid purification absorbs and gas enters the first passage-in tower
It is the equal of a gas distributor.
Specifically Y175 types, Y150 types and Y125 is respectively adopted in the ripple packing III, ripple packing II and ripple packing I
Type ripple packing, the specific surface area of ripple packing III, ripple packing II and ripple packing I is respectively 230,170,130m2/m3 ,
Porosity is respectively 80,83,87%, the specific surface area 100m of the structured packing2/m3, porosity 90%.The ripple packing
III, 280-250Pa/m, 240-280Pa/m, 200- are distinguished in the pressure drop of ripple packing II, ripple packing I and bottom of tower packing layer
300-350 Pa/m drop in 240Pa/m, 170-200Pa/m and 130-170 Pa/m, tower top pressure.
The cut-off rule（Golden section line）Determination tower height degree and relevant basic calculating formula etc. is utilized, such as height base
This calculating formula：Z=V/ α Ω Ky ∫x1 x2［ dz/（X#-X）And VY1+LX2=VY2+LX1, in formula, V- gas molar matter
Amount, L- absorbing liquid molal weights, the gas phase concentration of bottom of tower and tower top, X1, X2 represent tower respectively when Y1, Y2 represent tower respectively
When bottom of tower and tower top liquid concentration, α indicate unit volume packing layer effective mass transfer area m2/m3, Ω indicate void tower it is transversal
Area.
The present invention has carried out the technological improvement on an absorption tower according to above-mentioned technology contents：By Chongqing City Nanchuan two-win chemical industry
It is 4000mm that the absorption tower that the effective internal diameter in the original absorption tower of Co., Ltd is 3200mm, which is transformed into effective internal diameter, and filler is always a height of
4200mm is reduced to by 6500mm, is calculated by cut-off rule 0.38: 0.62, bottom of tower packed height is set as 300mm, if tower top filler
Height is X, then 0.38: 0.62=X:（4200-X）,（4200-X）Based on packing layer and bottom of tower bed stuffing height it
With, it is about 1600 mm to acquire tower top packed height X, and main body packed height be 4200-1600-300=2400mm, main body
Ripple packing III, ripple packing II and ripple packing I in filler are respectively adopted Y175 types, Y150 types and Y125 types, ripple and fill out
Material, the specific surface area of ripple packing III, ripple packing II and ripple packing I is respectively 230,170,130m2/m3, porosity point
Not Wei 80,83,87%, the height of ripple packing III, ripple packing II and ripple packing I is 800mm, the structured packing（Tower
Bottom packing layer）Specific surface area 100m2/m3, porosity 90%.The straight bed of material of tower top by 800mm high random packing 12（Such as ladder
Ring filler）With the perforated filling material 11 of 800mm high（Pored ceramic ball）It constitutes, the porosity of random packing and perforated filling material is 60-
80%.By test, 90kt/a or more is increased to by original absorption tower yield 60kt/a after transformation, gas velocity is by original 0.4 meter per second
It is increased to 1 meter per second, absorption efficiency reaches 98%, while can also reduce energy consumption, reduces manpower working hour, improves the tower cycle of operation.
Claims (2)
1. a kind of high-efficiency activated ripple packing assembly, it includes being sequentially located at liquid distribution trough in absorption tower from top to bottom（13）
With ball collar（6）Between tower top packing layer（2）, bottom of tower packing layer（4）With main body packing layer（3）, it is characterized in that：The tower top is filled out
The bed of material is by random packing（12）And perforated filling material（11）It constitutes, the main body packing layer is from bottom to top by ripple packing I（8）, wave
Line filler II（9）With ripple packing III（10）It constitutes, the bottom of tower packing layer is by structured packing（7）It constitutes, the tower top filler
The ratio of the sum of layer height and main body packing layer and bottom of tower bed stuffing height is 0.3-0.4: 0.6-0.7, the ripple packing III with
The ratio between porosity of perforated filling material is 1.0-1.2: 0.8-1.0, the ripple packing III, ripple packing II, ripple packing I and rule
The porosity of whole filler gradually increases, and the specific surface area of the ripple packing III, ripple packing II and ripple packing I gradually subtracts
Small, the porosity of the structured packing is not less than 90%.
2. a kind of high-efficiency activated ripple packing assembly according to claim 1, it is characterized in that：The tower top packing layer
（2）Height and main body packing layer（3）With bottom of tower packing layer（4）The ratio of the sum of height is 0.38: 0.62.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610741091.3A CN106345229B (en) | 2016-08-29 | 2016-08-29 | A kind of high-efficiency activated ripple packing assembly |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610741091.3A CN106345229B (en) | 2016-08-29 | 2016-08-29 | A kind of high-efficiency activated ripple packing assembly |
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| Publication Number | Publication Date |
|---|---|
| CN106345229A CN106345229A (en) | 2017-01-25 |
| CN106345229B true CN106345229B (en) | 2018-09-18 |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1084794A (en) * | 1963-09-26 | 1967-09-27 | Tissmetal Lionel Dupont Teste | Apparatus for contacting a liquid with a gas or vapour |
| SU1101250A1 (en) * | 1983-03-02 | 1984-07-07 | Предприятие П/Я В-8469 | Heat- mass-exchange tower |
| EP0188387A2 (en) * | 1985-01-18 | 1986-07-23 | Glitsch, Inc. | Fractionation column |
| CN87107241A (en) * | 1986-12-01 | 1988-06-22 | 格利特什有限公司 | Structured tower packing |
| CN2480037Y (en) * | 2001-05-17 | 2002-03-06 | 中国石化集团南京化学工业有限公司氮肥厂 | Beams less padding tower with high-efficient multi-function inner piece |
| CN1663661A (en) * | 2004-12-09 | 2005-09-07 | 天津大学 | Combined stuffing precise rectification tower without amplification effect |
| CN101890275A (en) * | 2010-07-21 | 2010-11-24 | 天津市创举科技有限公司 | Method for filling packing into absorption tower |
| CN204193771U (en) * | 2014-10-17 | 2015-03-11 | 辽宁圣赫机械制造成套设备有限公司 | A kind of desulfurizing tower with circulation cleaning device |
-
2016
- 2016-08-29 CN CN201610741091.3A patent/CN106345229B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1084794A (en) * | 1963-09-26 | 1967-09-27 | Tissmetal Lionel Dupont Teste | Apparatus for contacting a liquid with a gas or vapour |
| SU1101250A1 (en) * | 1983-03-02 | 1984-07-07 | Предприятие П/Я В-8469 | Heat- mass-exchange tower |
| EP0188387A2 (en) * | 1985-01-18 | 1986-07-23 | Glitsch, Inc. | Fractionation column |
| CN87107241A (en) * | 1986-12-01 | 1988-06-22 | 格利特什有限公司 | Structured tower packing |
| CN2480037Y (en) * | 2001-05-17 | 2002-03-06 | 中国石化集团南京化学工业有限公司氮肥厂 | Beams less padding tower with high-efficient multi-function inner piece |
| CN1663661A (en) * | 2004-12-09 | 2005-09-07 | 天津大学 | Combined stuffing precise rectification tower without amplification effect |
| CN101890275A (en) * | 2010-07-21 | 2010-11-24 | 天津市创举科技有限公司 | Method for filling packing into absorption tower |
| CN204193771U (en) * | 2014-10-17 | 2015-03-11 | 辽宁圣赫机械制造成套设备有限公司 | A kind of desulfurizing tower with circulation cleaning device |
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| Publication number | Publication date |
|---|---|
| CN106345229A (en) | 2017-01-25 |
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