CN110064298A - A kind of board-like gas-liquid fairing of multiple aperture - Google Patents

A kind of board-like gas-liquid fairing of multiple aperture Download PDF

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Publication number
CN110064298A
CN110064298A CN201910487889.3A CN201910487889A CN110064298A CN 110064298 A CN110064298 A CN 110064298A CN 201910487889 A CN201910487889 A CN 201910487889A CN 110064298 A CN110064298 A CN 110064298A
Authority
CN
China
Prior art keywords
porous plate
gas
board
multiple aperture
cowling panel
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.)
Withdrawn
Application number
CN201910487889.3A
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Chinese (zh)
Inventor
徐连春
何玉曦
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nanjing Kisen International Engineering Co Ltd
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Nanjing Kisen International Engineering Co Ltd
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Filing date
Publication date
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Priority to CN201910487889.3A priority Critical patent/CN110064298A/en
Publication of CN110064298A publication Critical patent/CN110064298A/en
Withdrawn legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/46Removing components of defined structure
    • B01D53/48Sulfur compounds
    • B01D53/50Sulfur oxides
    • B01D53/501Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound
    • B01D53/504Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound characterised by a specific device
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/74General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/77Liquid phase processes
    • B01D53/78Liquid phase processes with gas-liquid contact
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/20Mixing gases with liquids
    • B01F23/29Mixing systems, i.e. flow charts or diagrams
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2258/00Sources of waste gases
    • B01D2258/02Other waste gases
    • B01D2258/0283Flue gases

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)

Abstract

The invention discloses a kind of board-like gas-liquid fairings of multiple aperture, the cowling panel including fragment assembling, and the cowling panel includes porous plate spliced with each other, and each porous plate overlaps, and is fixed in supporting beam by dismountable mounting means;It is provided with the stomata of different percent openings on porous plate at different location, by the porous plate of different percent openings being arranged in different zones to adjust the ventilation rate of different zones, changes the air quantity of different zones.The present invention is rectified by the flue gas to different zones in tower, optimizes flue gas flow field in tower.More evenly, gas liquid reaction is more efficient, improves subsequent desulfuration efficiency and defogging effect for smoke distribution after using rectification layer.Meanwhile the device is split blade type, maintenance replacement is convenient.

Description

A kind of board-like gas-liquid fairing of multiple aperture
Technical field
It is especially a kind of for uniformly distributed air-flow, reinforcement gas-liquid rectification effect the present invention relates to Wet Flue Gas Desulfurization Technology field The board-like gas-liquid fairing of the multiple aperture of rate.
Background technique
Demand with the raising year by year and enterprise of national requirements for environmental protection to " energy-saving " controls sulfur content in neat stress Discharge value be desulphurization system most important production target, while spraying layer generate power consumption be also an Important Economic technology Index.It improves desulfuration efficiency and reduces the power consumption of spray column, be directly related to the environmental requirement and business efficiency of factory.
Country's desulfurization industry generally uses wet method fume desulfurizing system at present, and wherein spray column is most important tower.When Conventional rectification layer form is the monoblock type orifice plate of stick grid or common form in preceding spray column, and two kinds of device forms are simple, It is most widely used.But there is also some problems in use, such as: after flue gas enters tower, air flow method unevenness, gas-liquid The problems such as haptoreaction efficiency is lower, orifice plate easily blocks, and maintenance replacement is difficult;The flue gas for also resulting in subsequent bias current region is escaped A series of problems, such as ease, demister are easy blocking.
Summary of the invention
The purpose of this section is to summarize some aspects of the embodiment of the present invention and briefly introduce some preferable implementations Example.It may do a little simplified or be omitted to avoid our department is made in this section and the description of the application and the title of the invention Point, the purpose of abstract of description and denomination of invention it is fuzzy, and this simplification or omit and cannot be used for limiting the scope of the invention.
The problem of in view of above-mentioned and/or existing wet method fume desulfurizing system, propose the present invention.
Therefore, the one of purpose of the present invention is to provide a kind of board-like gas-liquid fairing of multiple aperture, improves existing The rectification efficiency of layer is rectified, gas-liquid mass transfer effect is improved in homogenizing flow field, to improve the spray efficiency of spraying layer and reduce demister The case where blocking.
In order to solve the above technical problems, the invention provides the following technical scheme: a kind of board-like gas-liquid fairing of multiple aperture, It includes the cowling panel of fragment assembling, and the cowling panel includes porous plate spliced with each other, and each porous plate overlaps, And it is fixed in supporting beam by dismountable mounting means;The gas of different percent openings is provided on porous plate at different location Hole changes different zones by the porous plate of different percent openings being arranged in different zones to adjust the ventilation rate of different zones Air quantity.
A kind of preferred embodiment as the board-like gas-liquid fairing of multiple aperture of the present invention, in which: each described porous Plate is fixed on the supporting beam top by fixing belt, and the cowling panel edge mate that each porous plate is spliced into is in spray Drench the cross section of the inner sidewall of tower.
A kind of preferred embodiment as the board-like gas-liquid fairing of multiple aperture of the present invention, in which: the porous plate Material is steel alloy or non-metal abrasion-proof corrosion-resistant material.
A kind of preferred embodiment as the board-like gas-liquid fairing of multiple aperture of the present invention, in which: by nonmetallic materials Manufactured porous plate thickness is between 30~50mm, and porous plate thickness made of metal is between 3~5mm.
A kind of preferred embodiment as the board-like gas-liquid fairing of multiple aperture of the present invention, in which: the fixing belt Material uses alloyed steel strip or FRP, and every block of porous plate carries out detachable company by 4~8 fixing belts and the supporting beam It connects.
A kind of preferred embodiment as the board-like gas-liquid fairing of multiple aperture of the present invention, in which: the stomata is circle Shape, rectangular, triangle or polygon;The aperture of the stomata is between 20mm~80mm.
A kind of preferred embodiment as the board-like gas-liquid fairing of multiple aperture of the present invention, in which: each described porous The percent opening value range of stomata is between 0.3~0.7 on plate;The porous plate that different zones are distributed on the cowling panel is opened Porosity is different;Porous packing free ratio at spray column intermediate region is greater than the porous packing free ratio of spray column around the area;Away from From the porous packing free ratio of spray column entrance more nearby be greater than with a distance from the porous packing free ratio of spray column entrance remotely.
A kind of preferred embodiment as the board-like gas-liquid fairing of multiple aperture of the present invention, in which: the cowling panel is extremely It is arranged in smoke inlet top, demister lower part less.
A kind of preferred embodiment as the board-like gas-liquid fairing of multiple aperture of the present invention, in which: the cowling panel exists At least one layer is disposed in spray column;When the cowling panel is arranged one layer, the cowling panel is apart from 1.5~4m of smoke inlet; When multilayer is arranged in the cowling panel, the cowling panel is arranged in the top, centre or lower part of spraying layer.
A kind of preferred embodiment as the board-like gas-liquid fairing of multiple aperture of the present invention, in which: when the cowling panel When being arranged one layer, the cowling panel is apart from smoke inlet 2.5m.
Beneficial effects of the present invention: the present invention provides a kind of board-like gas-liquid fairing of multiple aperture, which is mainly used It in wet desulphurization field, solves the problems, such as that smoke distribution is non-uniform in tower, be homogenized flow field and improve gas-liquid contact biography Matter effect.It is rectified by the flue gas to different zones in tower, optimizes flue gas flow field in tower.Use rectification layer after smoke distribution more Uniformly, gas liquid reaction is more efficient, improves subsequent desulfuration efficiency and defogging effect.Meanwhile the device is split blade type, maintenance is more It changes conveniently.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, required use in being described below to embodiment Attached drawing be briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for this For the those of ordinary skill of field, without any creative labor, it can also be obtained according to these attached drawings other Attached drawing.Wherein:
Fig. 1 is the board-like gas-liquid fairing arrangement schematic diagram in spray column of multiple aperture.
Fig. 2 is the planar structure schematic diagram of the board-like gas-liquid fairing of multiple aperture.
Specific embodiment
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, right with reference to the accompanying drawings of the specification A specific embodiment of the invention is described in detail.
In the following description, numerous specific details are set forth in order to facilitate a full understanding of the present invention, but the present invention can be with Implemented using other than the one described here other way, those skilled in the art can be without prejudice to intension of the present invention In the case of do similar popularization, therefore the present invention is not limited by the specific embodiments disclosed below.
Secondly, " one embodiment " or " embodiment " referred to herein, which refers to, may be included at least one realization side of the invention A particular feature, structure, or characteristic in formula." in one embodiment " that different places occur in the present specification not refers both to The same embodiment, nor the individual or selective embodiment mutually exclusive with other embodiments.
Referring to Fig.1,2, it is one embodiment of the present of invention, this embodiment offers a kind of board-like gas-liquid rectification dresses of multiple aperture It sets.
The board-like gas-liquid fairing of multiple aperture is plate apparatus, is set in spray column, and be arranged in tower section On, carry out the rectification for gas-liquid as rectification layer, controls the air flow method in spray column.The board-like gas-liquid rectification dress of multiple aperture It sets and is arranged at smoke inlet top, demister lower part, may be arranged at one layer or multilayer in tower.
Specifically, the board-like gas-liquid fairing main body of multiple aperture is the cowling panel 100 for capableing of fragment assembling, therefore examine It is convenient to repair replacement.Cowling panel 100 includes porous plate 101 spliced with each other, and each porous plate 101 overlaps, and by removable The mounting means unloaded is fixed on 200 top of supporting beam in spray column;Supporting beam 200 is the horizontally-supported knot being arranged in a crisscross manner Structure, the porous plate 101 of each fragment are formed by the inner sidewall that 100 structure of cowling panel is matched with spray column after splicing each other, Convenient for being fitted close.
The stomata 101a of different percent openings is provided on porous plate 101 at different location, therefore, by different zones The porous plate 101 of different percent openings is set to adjust the ventilation rate of different zones, changes the air quantity of different zones, to guarantee tower The uniformity of interior flue gas stream is realized and forces uniformly distributed flue gas, the homogenizing in flow field.The set-up mode both ensure that the gas-liquid of flue gas passed Matter effect improves rectification efficiency, in turn avoids local bias current, improve the desulfuration efficiency of spraying layer, therefore liquid-gas ratio can be reduced 20%~30%, the number of working layers and installed power of spraying layer can be reduced.On the other hand, it decreases and local stoppages problem occurs Probability.On porous plate 101 aperture of stomata 101a and distribution be according to structure in systematic air flow, tower, gas-liquid flow field simulation come Determining.In actual use, the arrangement of the porous plate of different zones can be adjusted according to different flue gas load amounts, to adjust rectification The flue gas even distribution effect of layer.
Further, each porous plate 101 is removably fixed on 200 top of supporting beam by the realization of fixing belt 300, And the cowling panel frontside edge that is spliced into of each porous plate 101 is matched with the cross section of the inner sidewall of spray column.
Further, the material of porous plate 101 can use steel alloy or non-metal abrasion-proof corrosion-resistant material.Work as porous plate When 101 use nonmetallic materials, 101 thickness of porous plate is set between 30~50mm;When porous plate 101 uses metal material When, 101 thickness of porous plate is set between 3~5mm.
Preferably, each 101 surfacing of porous plate, smooth, pore-free.
Further, the material of fixing belt 300 can use alloyed steel strip or FRP, and every block of porous plate 101 passes through 4~8 A fixing belt 300 carries out detachable connection with supporting beam 200.
Further, the stomata 101a on porous plate 101 can be the shapes such as round, rectangular, triangle or polygon;Gas The aperture (or diameter) of hole 101a is between 20mm~80mm.
Further, the percent opening value range of stomata 101a is between 0.3~0.7 on each porous plate 101.
Further, the percent opening for the porous plate 101 that different zones are distributed on cowling panel 100 is different.
Since the nozzle quantity of spray column intermediate region arrangement is more, sprayed slurry flow is big, spray column neighboring area arrangement Nozzle quantity it is few, sprayed slurry flow is small, therefore 101 percent opening of porous plate at spray column intermediate region is relatively large, and outer 101 percent opening of porous plate enclosed at region is relatively small;It is larger compared with 101 percent opening of porous plate nearby apart from spray column entrance, And 101 percent opening of porous plate far from entrance area is smaller, to realize that gas-liquid is evenly distributed with mass transfer.
Further, cowling panel 100 is arranged at smoke inlet top, demister lower part.And cowling panel 100 is spraying At least one layer is disposed in tower.
When cowling panel 100 is arranged one layer, cowling panel 100 is apart from 1.5~4m of smoke inlet, optimum distance 2.5m;When When multilayer is arranged in cowling panel 100, cowling panel 100 can be arranged in the top, centre or lower part of spraying layer.
It is important that, it should be noted that the construction and arrangement of the application shown in multiple and different exemplary implementation schemes is only It is illustrative.Although several embodiments are only described in detail in this disclosure, refering to the personnel of the displosure content It should be easily understood that many changes under the premise of substantially without departing from the novel teachings and advantage of theme described in this application Type is possible (for example, the size of various elements, scale, structure, shape and ratio and parameter value are (for example, temperature, pressure Deng), mounting arrangements, the use of material, color, the variation of orientation etc.).It can be by more for example, being shown as integrally formed element A part or element are constituted, and the position of element can be squeezed or change in other ways, and the property or number of discrete component Or position can be altered or changed.Therefore, all such remodeling are intended to be comprised in the scope of the present invention.It can be according to replacing The embodiment in generation changes or the order or sequence of resequence any process or method and step.In the claims, any " dress Set plus function " clause be intended to and be covered on the structure described herein for executing the function, and it is equivalent to be not only structure It but also is equivalent structure.Without departing from the scope of the invention, can exemplary implementation scheme design, operation Other replacements are made in situation and arrangement, remodeling, are changed and are omitted.Therefore, the present invention is not limited to specific embodiments, and It is to extend to a variety of remodeling still fallen within the scope of the appended claims.
In addition, all spies of actual implementation scheme can not be described in order to provide the terse description of exemplary implementation scheme Sign is (that is, with execution those incoherent features of optimal mode of the invention for currently considering, or in realizing that the present invention is incoherent Those features).
It should be understood that in the development process of any actual implementation mode, it, can such as in any engineering or design object A large amount of specific embodiment is made to determine.Such development effort may be complicated and time-consuming, but for those benefits For the those of ordinary skill of the displosure content, do not need excessively to test, the development effort will be one design, manufacture and The routine work of production.
It should be noted that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although referring to preferable Embodiment describes the invention in detail, those skilled in the art should understand that, it can be to technology of the invention Scheme is modified or replaced equivalently, and without departing from the spirit and scope of the technical solution of the present invention, should all be covered in this hair In bright scope of the claims.

Claims (10)

1. a kind of board-like gas-liquid fairing of multiple aperture, it is characterised in that: the cowling panel (100) including fragment assembling, it is described whole Flowing plate (100) includes porous plate spliced with each other (101), and each porous plate (101) overlaps, and by dismountable Mounting means is fixed on supporting beam (200);
The stomata (101a) of different percent openings is provided on porous plate (101) at different location, by being arranged in different zones The porous plate (101) of different percent openings changes the air quantity of different zones to adjust the ventilation rates of different zones.
2. the board-like gas-liquid fairing of multiple aperture as described in claim 1, it is characterised in that: each porous plate (101) The supporting beam (200) top, and the rectification that each porous plate (101) is spliced into are fixed on by fixing belt (300) Plate (100) edge mate is in the cross section of the inner sidewall of spray column.
3. the board-like gas-liquid fairing of multiple aperture as claimed in claim 1 or 2, it is characterised in that: the porous plate (101) Material is steel alloy or non-metal abrasion-proof corrosion-resistant material.
4. the board-like gas-liquid fairing of multiple aperture as claimed in claim 3, it is characterised in that: more made of nonmetallic materials Orifice plate (101) thickness is between 30~50mm, and porous plate (101) thickness made of metal is between 3~5mm.
5. the board-like gas-liquid fairing of multiple aperture as claimed in claim 2, it is characterised in that: the material of the fixing belt (300) Matter uses alloyed steel strip or FRP, every piece of porous plate (101) by 4~8 fixing belts (300) and the supporting beam (200) into Row detachable connection.
6. the board-like gas-liquid fairing of multiple aperture as described in claim 1,2,4 or 5 are any, it is characterised in that: the stomata (101a) is round, rectangular, triangle or polygon;
The aperture of the stomata (101a) is between 20mm~80mm.
7. the board-like gas-liquid fairing of multiple aperture as claimed in claim 6, it is characterised in that: each porous plate (101) The percent opening value range of upper stomata (101a) is between 0.3~0.7;
The percent opening for the porous plate (101) that different zones are distributed on the cowling panel (100) is different;
Porous plate (101) percent opening at spray column intermediate region is greater than porous plate (101) aperture of spray column around the area Rate;
It is greater than the porous plate apart from spray column entrance remotely apart from porous plate (101) percent opening of spray column entrance more nearby (101) percent opening.
8. the board-like gas-liquid fairing of multiple aperture as described in claim 1,2,4,5 or 7 are any, it is characterised in that: described whole Flowing plate (100) is arranged at smoke inlet top, demister lower part.
9. the board-like gas-liquid fairing of multiple aperture as claimed in claim 8, it is characterised in that: the cowling panel (100) is being sprayed At least one layer is disposed in leaching tower;
When the cowling panel (100) are arranged one layer, the cowling panel (100) is apart from 1.5~4m of smoke inlet;When the rectification When multilayer is arranged in plate (100), the cowling panel (100) is arranged in the top, centre or lower part of spraying layer.
10. the board-like gas-liquid fairing of multiple aperture as claimed in claim 9, it is characterised in that: when the cowling panel (100) is set When setting one layer, the cowling panel (100) is apart from smoke inlet 2.5m.
CN201910487889.3A 2019-06-05 2019-06-05 A kind of board-like gas-liquid fairing of multiple aperture Withdrawn CN110064298A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
CN201910487889.3A CN110064298A (en) 2019-06-05 2019-06-05 A kind of board-like gas-liquid fairing of multiple aperture

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112007476A (en) * 2020-08-24 2020-12-01 中国石油化工股份有限公司 Atmospheric tower top oil gas washing dechlorination method
CN113041830A (en) * 2020-08-17 2021-06-29 长沙康欧创新科技有限公司 Absorption tower for flue gas desulfurization and method for equalizing flue gas in absorption tower
CN113304596A (en) * 2021-06-01 2021-08-27 金广恒环保技术(南京)股份有限公司 Improved side-air-out vertical waste gas treatment equipment

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110203310A1 (en) * 2008-08-07 2011-08-25 Tokyo Electron Limited Raw material recovery method and trapping mechanism for recovering raw material
CN204582914U (en) * 2015-05-07 2015-08-26 武汉凯迪电力环保有限公司 The gas-liquid distributor that a kind of non-homogeneous perforate is arranged
CN207076329U (en) * 2017-06-14 2018-03-09 中国华电科工集团有限公司 A kind of desulfurizing tower provided with airflow uniform distribution plate
CN210206424U (en) * 2019-06-05 2020-03-31 南京凯盛国际工程有限公司 Multi-aperture plate type gas-liquid rectifying device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110203310A1 (en) * 2008-08-07 2011-08-25 Tokyo Electron Limited Raw material recovery method and trapping mechanism for recovering raw material
CN204582914U (en) * 2015-05-07 2015-08-26 武汉凯迪电力环保有限公司 The gas-liquid distributor that a kind of non-homogeneous perforate is arranged
CN207076329U (en) * 2017-06-14 2018-03-09 中国华电科工集团有限公司 A kind of desulfurizing tower provided with airflow uniform distribution plate
CN210206424U (en) * 2019-06-05 2020-03-31 南京凯盛国际工程有限公司 Multi-aperture plate type gas-liquid rectifying device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113041830A (en) * 2020-08-17 2021-06-29 长沙康欧创新科技有限公司 Absorption tower for flue gas desulfurization and method for equalizing flue gas in absorption tower
CN112007476A (en) * 2020-08-24 2020-12-01 中国石油化工股份有限公司 Atmospheric tower top oil gas washing dechlorination method
CN113304596A (en) * 2021-06-01 2021-08-27 金广恒环保技术(南京)股份有限公司 Improved side-air-out vertical waste gas treatment equipment

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Application publication date: 20190730

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