CN108031192A - High-efficiency demisting apparatus - Google Patents
High-efficiency demisting apparatus Download PDFInfo
- Publication number
- CN108031192A CN108031192A CN201711324416.9A CN201711324416A CN108031192A CN 108031192 A CN108031192 A CN 108031192A CN 201711324416 A CN201711324416 A CN 201711324416A CN 108031192 A CN108031192 A CN 108031192A
- Authority
- CN
- China
- Prior art keywords
- orifice plate
- baffle plate
- demisting apparatus
- housing
- efficiency demisting
- 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.)
- Pending
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
- B01D45/04—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by utilising inertia
- B01D45/08—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by utilising inertia by impingement against baffle separators
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Separating Particles In Gases By Inertia (AREA)
Abstract
The present invention discloses a kind of high-efficiency demisting apparatus.The air inlet and exhaust outlet, some grades of separators in the housing that the high-efficiency demisting apparatus includes housing, is formed at the housing, each separator includes the orifice plate with several airflow holes, the baffle plate arranged on the orifice plate two lateral walls set perpendicular to airflow direction, and identical with the angle of the orifice plate positioned at the baffle plate of orifice plate both sides relative position.High-efficiency demisting apparatus provided by the invention, defogging effect is good and is limited from conditions such as air velocities.
Description
【Technical field】
The present invention relates to gas and liquid separation technology field, and in particular to a kind of high-efficiency demisting apparatus, takes off especially suitable for wet method
The gas-liquid separation of sulphur, dust-extraction unit discharge flue gas.
【Background technology】
Gas-liquid separation technology is generally realized by physical separation method.In the prior art, in Wet Limestone Desulfurization technology
The Flat defroster or ridge type demister of use, are all the shocks that drop and deflector baffle are carried using air-flow, caused
The shortcomings that deposition of drop, achievees the purpose that demisting, but such a defogging method is maximum be have to air velocity it is more stringent
It is required that air velocity is generally required to be less than 3.5m/s.Cyclone Separation Technology is also the common method of gas-liquid separation, but the method
Removal effect and gas-flow resistance have very big relation, gas-flow resistance is bigger, and removal effect is better, so Cyclone Separation Technology is most
The shortcomings that big is exactly the increase for causing gas-flow resistance.
Therefore, it is necessary to providing a kind of new technique solves above-mentioned technical problem.
【The content of the invention】
The purpose of the present invention is overcome above-mentioned technical problem, there is provided a kind of defogging effect is good, from conditions such as air velocities
The high-efficiency demisting apparatus of limitation.
The technical scheme is that：
A kind of high-efficiency demisting apparatus, including housing, be formed at the housing air inlet and exhaust outlet, arranged on the housing
Interior some grades of separators, each separator include having several airflow holes perpendicular to what airflow direction was set
Orifice plate, the baffle plate arranged on the orifice plate two lateral walls, and positioned at orifice plate both sides relative position the baffle plate with
The angle of the orifice plate is identical.
Preferably, the aperture of the airflow hole is 2-10cm, percent opening 20-30%.
Preferably, the rectangular distribution of airflow hole on the orifice plate, the spacing of the adjacent two row airflow hole is 3-10cm.
Preferably, the baffle plate length is 5-10cm, and the angle of the baffle plate and the orifice plate is 30-60 °.
Preferably, the air-flow hole number between the orifice plate homonymy and the adjacent two row baffle plate is 1-3
Row.
Preferably, the high-efficiency demisting apparatus further includes the deflector arranged on the air inlet.
Preferably, the quantity of the deflector is even numbers, and is 15-30 ° with the axis angle of the housing.
Preferably, the baffle plate of separator described in adjacent two-stage is in reversely distribution.
Preferably, the spacing of separator described in adjacent two-stage is 50-100cm.
Preferably, the cross-sectional area of the housing is 8-12 times of the air inlet cross-sectional area.
Compared with prior art, high-efficiency demisting apparatus provided by the invention, beneficial effect are：
First, high-efficiency demisting apparatus provided by the invention, sets multi-stage separation device, air-flow carrying of liquids in the housing
By separator, hit with the baffle plate of the orifice plate both sides, realize gas-liquid separation.And in the present invention, the orifice plate
Both sides be both provided with baffle plate, the collision frequency of drop and baffle plate can be improved, so as to improve separative efficiency.
2nd, high-efficiency demisting apparatus provided by the invention, by optimizing the structure of orifice plate and baffle plate, from air velocity etc.
Condition influences, and separative efficiency is high, and every grade of separative efficiency is up to 50-60%, and when level Four separator is arranged, separative efficiency is reachable
95%.
【Brief description of the drawings】
Fig. 1 is the structure diagram of high-efficiency demisting apparatus provided by the invention.
【Embodiment】
Below will the invention will be further described by embodiment.
Referring to Fig. 1, the structure diagram for high-efficiency demisting apparatus provided by the invention.The high-efficiency demisting apparatus 100
Including housing 11, be formed at 11 ends of housing air inlet 12 and exhaust outlet 13, in the housing 11
Some grades of separators 14.
The cross section of the housing 11 is square or circle, or other shapes.The cross section of wherein described housing 11 is
Refer to and the perpendicular section of air current flow direction.The material of the housing 11 can use the materials such as common iron, stainless steel, fiberglass
Material is made, and specific material is selected according to application environment.The cross-sectional area of the housing 11 is 12 cross-sectional area of air inlet
8-12 times.
Some level separators 14 are arranged at intervals along the flow direction of air-flow.Each separator 14 includes tool
There are the orifice plate 141 of several airflow holes 142, the baffle plate 143 arranged on 141 both sides of orifice plate.
The shape of the orifice plate 141 and the shape of the housing 11 match, and are mounted on the inner side of the housing 11
Wall.The material of the orifice plate 141 can equally use the material such as common iron, stainless steel, fiberglass be made, and specific material is according to answering
Use environmental selection.
The percent opening in each 141 overdraught hole 142 of the orifice plate is 20-30%, aperture 2-10cm.Preferably, it is described
142 rectangular distribution of airflow hole, i.e., described airflow hole 142 are distributed in row (row), facilitate the arrangement of the baffle plate 143.
The spacing of the adjacent two row airflow hole 142 is 3-10cm, and the airflow hole 142 is arranged closely, can improve air-flow
Amount, makes the fume treatment it is suitable for air volume.
The baffle plate 143 is distributed in the both sides of the orifice plate 141, and is distributed with the orifice plate 141 in angle, positioned at institute
The baffle plate 143 for stating 141 both sides relative position of orifice plate is identical with the angle of the orifice plate 141.Air-flow passes through the air-flow
During hole 142, a part is collided with the baffle plate 143 close to 12 side of air inlet first, and another part is described in
Airflow hole 142, with being collided away from the baffle plate 143 of 12 side of air inlet, adds touching for flue gas and baffle plate 143
Frequency is hit, so as to be conducive to improve separative efficiency.Preferably, the angle of the baffle plate 143 and the orifice plate 141 is in 30-
60 °, in the angular range, the baffle plate 143 is staggered with air current flow direction, and most air-flows can be with the folding
Flowing plate 143 collides, and can further improve the collision frequency of air-flow and baffle plate, improves separative efficiency.
In present embodiment, the baffle plate 143 positioned at 141 homonymy of orifice plate is distributed in different directions, it is preferred that with institute
Centered on the axis for stating housing 11, the baffle plate of both sides is in reversely distribution.The baffle plate 143 is distributed in different directions,
It can meet to enter the gas stream make impact in the housing 11 with different angle.It is further preferred that it is located at 141 liang of the orifice plate
The baffle plate 143 of side is symmetric.
The length of the baffle plate 143 is 5-10cm, the length of to cover the 1-3 airflow holes.Therefore, positioned at institute
142 quantity of the airflow hole stated between 141 homonymy of orifice plate and the adjacent two row baffle plate 143 arranges for 1-3.
The high-efficiency demisting apparatus 100 provided by the invention, the separator 14 are at least two-stage, can increase demisting effect
Fruit.The spacing of separator 14 described in adjacent two-stage is 50-100cm, can specifically be set according to the size of the housing 11
Meter, 11 cross-sectional dimension of housing is bigger, and the spacing of separator 14 is bigger described in adjacent two-stage.In order to further increase gas
The collision of stream and baffle plate, it is preferred that the baffle plate 143 of separator 14 described in adjacent two-stage is realized multi-party in reversely distribution
To the setting baffle plate.
The high-efficiency demisting apparatus provided by the invention, to improve flow rate of gas, preferably in the air inlet 12
Place sets deflector 15.The quantity of the deflector 15 is polylith, and is even number, is symmetrically distributed in the two of 11 axis of housing
Side.The axis angle of the deflector 15 and the housing 11 is 15-30 °, the close institute with separator described in the first order 14
The setting direction for stating the baffle plate of air inlet 12 is interlocked, and not only guides air-flow to guide air-flow and folding by airflow hole 142
Flowing plate collides.
By the high-efficiency demisting apparatus provided by the invention, it is in for the tail gas in Wet Limestone Desulfurization technology, its
Middle import flue gas flow rate is designed as 15-20m/s, and after testing, the separative efficiency of level-one separator is 50-60%, and level Four separates
The separative efficiency of device is up to 95%.
Compared with prior art, high-efficiency demisting apparatus provided by the invention, beneficial effect are：
First, high-efficiency demisting apparatus provided by the invention, sets multi-stage separation device, air-flow carrying of liquids in the housing
By separator, hit with the baffle plate of the orifice plate both sides, realize gas-liquid separation.And in the present invention, the orifice plate
Both sides be both provided with baffle plate, the collision frequency of drop and baffle plate can be improved, so as to improve separative efficiency.
2nd, high-efficiency demisting apparatus provided by the invention, by optimizing the structure of orifice plate and baffle plate, improves separative efficiency,
Every grade of separative efficiency is up to 50-60%, and when level Four separator is arranged, separative efficiency is up to 95%.
Above-described is only embodiments of the present invention, it should be noted here that for those of ordinary skill in the art
For, without departing from the concept of the premise of the invention, improvement can also be made, but these belong to the protection model of the present invention
Enclose.
Claims (10)
1. a kind of high-efficiency demisting apparatus, including housing, be formed at the housing air inlet and exhaust outlet, in the housing
Some grades of separators, it is characterised in that each separator include perpendicular to airflow direction set have it is some
The orifice plate of a airflow hole, the baffle plate arranged on the orifice plate two lateral walls, and positioned at the institute of orifice plate both sides relative position
It is identical with the angle of the orifice plate to state baffle plate.
2. high-efficiency demisting apparatus according to claim 1, it is characterised in that the aperture of the airflow hole is 2-10cm, is opened
Porosity is 20-30%.
3. high-efficiency demisting apparatus according to claim 2, it is characterised in that rectangular point of the airflow hole on the orifice plate
Cloth, the spacing of the adjacent two row airflow hole is 3-10cm.
4. high-efficiency demisting apparatus according to claim 1, it is characterised in that the baffle plate length is 5-10cm, described
The angle of baffle plate and the orifice plate is 30-60 °.
5. high-efficiency demisting apparatus according to claim 4, it is characterised in that positioned at the orifice plate homonymy and adjacent two row
The air-flow hole number between the baffle plate arranges for 1-3.
6. high-efficiency demisting apparatus according to claim 1, it is characterised in that the high-efficiency demisting apparatus is further included arranged on institute
State the deflector of air inlet.
7. high-efficiency demisting apparatus according to claim 6, it is characterised in that the quantity of the deflector is even numbers, and with
The axis angle of the housing is 15-30 °.
8. according to the high-efficiency demisting apparatus described in claim 1-7, it is characterised in that separator is described described in adjacent two-stage
Baffle plate is in reversely distribution.
9. high-efficiency demisting apparatus according to claim 8, it is characterised in that the spacing of separator is described in adjacent two-stage
50-100cm。
10. high-efficiency demisting apparatus according to claim 1, it is characterised in that the cross-sectional area of the housing be it is described into
8-12 times of gas port cross-sectional area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711324416.9A CN108031192A (en) | 2017-12-13 | 2017-12-13 | High-efficiency demisting apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711324416.9A CN108031192A (en) | 2017-12-13 | 2017-12-13 | High-efficiency demisting apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108031192A true CN108031192A (en) | 2018-05-15 |
Family
ID=62102789
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711324416.9A Pending CN108031192A (en) | 2017-12-13 | 2017-12-13 | High-efficiency demisting apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108031192A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114040812A (en) * | 2019-07-01 | 2022-02-11 | 康明斯滤清系统知识产权公司 | Variable angle baffle device for gas-liquid separation |
| CN114570116A (en) * | 2022-03-03 | 2022-06-03 | 中国石油化工股份有限公司 | High-efficient baffling board and high-efficient baffling board defroster |
| CN114748895A (en) * | 2022-02-28 | 2022-07-15 | 东方电气自动控制工程有限公司 | Oil-gas separation expansion device |
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| US5154742A (en) * | 1991-04-10 | 1992-10-13 | Gault William J | Oil mist and smoke collector |
| CN101121091A (en) * | 2006-08-10 | 2008-02-13 | 李泽清 | Composite type filter |
| CN101703859A (en) * | 2009-12-01 | 2010-05-12 | 总装备部工程设计研究总院 | Kitchen oil fume processing equipment |
| CN102120104A (en) * | 2011-01-11 | 2011-07-13 | 常州大学 | Device for continuously separating gas hydrate |
| JP2011189326A (en) * | 2010-03-17 | 2011-09-29 | Fuji Heavy Ind Ltd | Mist collector |
| CN104645724A (en) * | 2015-01-29 | 2015-05-27 | 东南大学 | Plate-type demister for improving demisting efficiency of small-particle-size droplets |
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2017
- 2017-12-13 CN CN201711324416.9A patent/CN108031192A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5154742A (en) * | 1991-04-10 | 1992-10-13 | Gault William J | Oil mist and smoke collector |
| CN101121091A (en) * | 2006-08-10 | 2008-02-13 | 李泽清 | Composite type filter |
| CN101703859A (en) * | 2009-12-01 | 2010-05-12 | 总装备部工程设计研究总院 | Kitchen oil fume processing equipment |
| JP2011189326A (en) * | 2010-03-17 | 2011-09-29 | Fuji Heavy Ind Ltd | Mist collector |
| CN102120104A (en) * | 2011-01-11 | 2011-07-13 | 常州大学 | Device for continuously separating gas hydrate |
| CN104645724A (en) * | 2015-01-29 | 2015-05-27 | 东南大学 | Plate-type demister for improving demisting efficiency of small-particle-size droplets |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114040812A (en) * | 2019-07-01 | 2022-02-11 | 康明斯滤清系统知识产权公司 | Variable angle baffle device for gas-liquid separation |
| US20220323891A1 (en) * | 2019-07-01 | 2022-10-13 | Cummins Filtration Ip, Inc. | Variable-angle baffle arrangement for air-liquid separation |
| CN114748895A (en) * | 2022-02-28 | 2022-07-15 | 东方电气自动控制工程有限公司 | Oil-gas separation expansion device |
| CN114570116A (en) * | 2022-03-03 | 2022-06-03 | 中国石油化工股份有限公司 | High-efficient baffling board and high-efficient baffling board defroster |
| CN114570116B (en) * | 2022-03-03 | 2024-04-26 | 中国石油化工股份有限公司 | Efficient baffle plate and efficient baffle plate demister |
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Application publication date: 20180515 |
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