CN106731449A - A kind of column for smoke purification - Google Patents
A kind of column for smoke purification Download PDFInfo
- Publication number
- CN106731449A CN106731449A CN201611046996.5A CN201611046996A CN106731449A CN 106731449 A CN106731449 A CN 106731449A CN 201611046996 A CN201611046996 A CN 201611046996A CN 106731449 A CN106731449 A CN 106731449A
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- China
- Prior art keywords
- straight
- arc
- column
- smoke purification
- tower body
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Classifications
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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
- B01D53/02—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 adsorption, e.g. preparative gas chromatography
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/102—Carbon
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/40—Further details for adsorption processes and devices
- B01D2259/41—Further details for adsorption processes and devices using plural beds of the same adsorbent in series
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention discloses a kind of column for smoke purification, belong to flue gas purifying equipment technical field, designed to solve the problems, such as existing column for smoke purification inside smoke Flow Field Distribution uneven.The column for smoke purification that the present invention is provided includes tower body, is arranged at least one air inlet of tower body bottom, at least one gas outlet being arranged at the top of tower body, at least one of which activity focus layer in tower body and the deflection plate arranged at the flow of flue gas deflecting of air inlet.Deflection plate is straight panel, arc, straight arc or straight arc straight plate, wherein, straight arc includes the straight section and segmental arc that are connected, and straight arc straight plate includes the straight section positioned at vertical direction, the straight section positioned at horizontal direction and the segmental arc connected between two straight sections.Column for smoke purification of the invention can make the flue gas flow field inside tower be evenly distributed, can improve adsorption efficiency of the flue gas in focus layer.
Description
Technical field
The present invention relates to flue gas purifying equipment technical field, and in particular to a kind of column for smoke purification.
Background technology
With economic fast development, the environmental problem that resource-type production brings is increasingly severe, wherein, power plant, steel mill,
The flue gas that coke-oven plant, glass ceramics enterprise etc. discharge causes serious pollution to atmospheric environment.Activated coke desulfurization
Denitration technology：The SO in flue gas can not only simultaneously be removed2And NOx, also with not water consumption, non-secondary pollution, effectively remove cigarette
Dust and heavy metal (such as mercury) pollutant in gas, the advantages of Sulphur ressource can be reclaimed by adsorbent reactivation.Activated coke flue gas
The removal effect of desulphurization denitration technology is influenceed by inside reactor structure, therefore, from the overall construction design of reactor to interior
The even distribution device design of portion flow field is all very important key point.
Existing two kinds of flue gas desulfurization and denitrification towers, the first flue gas desulfurization and denitrification tower includes tower body and is arranged on the air inlet of bottom
Mouthful and be arranged on the gas outlet at top, tower internal body portion two sections carry out desulphurization denitration respectively.Tower body top sets active
Burnt feeder, is provided with first gas distribution apparatus at tower body air inlet, tower body middle part is provided with ammonia-gas spraying device and second gas
Distribution apparatus.Activated coke is slowly moved to bottom from top, and flue gas comes in exist through distribution device in gas-fluid adjustment from bottom air inlet
Flow velocity and pressure distribution in tower, then mix, then cause flue gas by second gas distribution apparatus by Pen An areas and ammoniacal liquor
It is well mixed with ammonia, and then complete desulphurization denitration process.Second flue gas desulfurization and denitrification tower includes tower body and is arranged on bottom
Air inlet and be arranged on top gas outlet, using integral type desulphurization denitration, ammonia-gas spraying device is provided with import, inside tower body
Tower body length direction is provided with adsorbent Uniform Flow device, is set with air inlet junction on adsorbent Uniform Flow device
There is air inlet distribution grid.Flue gas and ammonia mix in entrance region, and adsorbent Uniform Flow device, activity are entered by air inlet distribution grid
It is burnt to be flowed in adsorbent Uniform Flow device inner homogeneous, reach the purpose of simultaneous SO_2 and NO removal.
Although above two flue gas desulfurization and denitrification tower has all referred to flue gas and has been evenly arranged device, but for the uniform cloth of flue gas
Put shape, size, position of device etc. and lack the design for more optimizing, so that flue gas flow field is more evenly distributed, therefore, this
Invention needs a kind of new column for smoke purification of offer badly to solve the above problems.
The content of the invention
The flue gas flow field inside tower can be made to be evenly distributed, flue gas can be improved in focus layer the purpose of the present invention is to propose to a kind of
Adsorption efficiency column for smoke purification.
It is that, up to this purpose, the present invention uses following technical scheme：
A kind of column for smoke purification, including tower body, be arranged on the tower body bottom at least one air inlet, be arranged on it is described
At least one gas outlet at the top of tower body, the activity focus layer of at least one of which in the tower body and the cigarette in the air inlet
The deflection plate arranged at flow of air deflecting.
Further, the deflection plate be straight panel, arc, straight arc or straight arc straight plate, wherein, the straight arc
Plate includes the straight section and segmental arc that are connected, and the straight arc straight plate is including the straight section positioned at vertical direction, positioned at horizontal direction
Straight section and between two straight sections connect segmental arc.
Used as a preferred scheme of the invention, the arc, the segmental arc of the straight arc or the straight arc are straight
The radius of the segmental arc of shape plate is between 1m to 3m.
As a preferred scheme of the invention, multiple circular ports or elongate holes are offered on the deflection plate.
Used as a preferred scheme of the invention, the number of the deflection plate is 3-5.
Used as a preferred scheme of the invention, the length of the deflection plate is identical with the length of the air inlet, described
The height of deflection plate is between 1m to 3m.
Used as a preferred scheme of the invention, the thickness of the active focus layer is between 1.4m to 1.9m.
As a preferred scheme of the invention, the length of the tower body between 6m to 10m, width 6m to 10m it
Between, highly between 20m to 40m.
Beneficial effects of the present invention are：
Column for smoke purification of the invention is disposed with deflection plate at the flow of flue gas deflecting of air inlet, and deflection plate can be straight
Plate, arc, straight arc or straight arc straight plate, by select rational deflection plate type, size and arrangement mode so as to
Uniform distribution of forces of the flue gas in air inlet is improved, adsorption efficiency of the flue gas in focus layer is improved.
Brief description of the drawings
Fig. 1 is one of structural representation of column for smoke purification that the preferred embodiment of the present invention is provided；
Fig. 2 is the two of the structural representation of the column for smoke purification that the preferred embodiment of the present invention is provided；
Fig. 3 is one of structural representation of deflection plate in the column for smoke purification that the preferred embodiment of the present invention is provided；
Fig. 4 is the two of the structural representation of the deflection plate in the column for smoke purification that the preferred embodiment of the present invention is provided；
Fig. 5 is the three of the structural representation of the deflection plate in the column for smoke purification that the preferred embodiment of the present invention is provided；
Fig. 6 is the four of the structural representation of the deflection plate in the column for smoke purification that the preferred embodiment of the present invention is provided；
Fig. 7 is the five of the structural representation of the deflection plate in the column for smoke purification that the preferred embodiment of the present invention is provided；
Fig. 8 is the six of the structural representation of the deflection plate in the column for smoke purification that the preferred embodiment of the present invention is provided.
Marked in figure：
1st, air inlet；2nd, gas outlet；3rd, active focus layer；4th, deflection plate.
Specific embodiment
Further illustrate technical scheme below in conjunction with the accompanying drawings and by specific embodiment.
Preferred embodiment：
This preferred embodiment discloses a kind of column for smoke purification, and the column for smoke purification is de- mainly for the flue gas desulfurization of activated coke method
Nitre.Column for smoke purification include tower body, be arranged on tower body bottom at least one air inlet 1, be arranged at the top of tower body at least one
Individual gas outlet 2, at least one of which activity focus layer 3 in tower body and the folding arranged at the flow of flue gas deflecting of air inlet 1
Stream plate 4, wherein, flow of flue gas is to be flowed parallel to active focus layer 3 at air inlet 1, as depicted in figs. 1 and 2.
As shown in Figure 3 and Figure 4, deflection plate 4 is straight panel, wherein, the deflection plate 4 in Fig. 4 is arranged for stepped；Such as Fig. 5
Shown, deflection plate 4 is arc, and the radius of arc is between 1m to 3m；As shown in fig. 6, deflection plate 4 is straight arc, its
In, straight arc includes the straight section and segmental arc that are connected, and the radius of segmental arc is between 1m to 3m；As shown in Figure 7 and Figure 8,
Deflection plate 4 is straight arc straight plate, wherein, straight arc straight plate includes straight section, the straight section positioned at horizontal direction positioned at vertical direction
And the segmental arc connected between two straight sections, between 1m to 3m, the segmental arc radius in Fig. 7 is successively for the radius of segmental arc
It is incremented by, the segmental arc radius all same in Fig. 8.
The length of tower body between 6m to 10m, width between 6m to 10m, highly between 20m to 40m；Active focus layer
3 thickness between 1.4m to 1.9m, preferably 1.5m.
Multiple circular ports or elongate holes are offered on deflection plate 4, by increasing capacitance it is possible to increase local turbulence effect, in conveying gaseous mixture
Can make gaseous mixture evenly during body；The number of deflection plate 4 is 3-5；The length of deflection plate 4 is identical with the length of air inlet 1, with
Exempt from gas and cause obvious turbulent flow from edge flowing, the height of deflection plate 4 is accordingly adjusted between 1m to 3m according to tower body size
It is whole.The position of deflection plate 4 first considers to be uniformly distributed at the flow of flue gas deflecting of air inlet 1 generally according to number, Ran Hougen
It is finely adjusted according to flow distribution uniformity results.
In order to preferably explain the present embodiment, now it is described as follows for two examples：
As shown in figure 1, the tower body size of column for smoke purification is 8m long, width 8m, 30m high, one layer of activity is provided with tower body
Focus layer 3, bottom is provided with air inlet 1, and inlet pipeline is the pipe of diameter 1m, and top is provided with gas outlet 2.According to software simulative optimization
Flue gas desulfurization and denitrification tower interior flow field is distributed, and is contrasted with flue gas flow field result in tower in actual production process, final selected
Deflection plate 4 is straight panel, is arranged at the flow of flue gas deflecting of air inlet 1, and for step type is arranged, you can preferable optimization stream
, as shown in Figure 4.The number of deflection plate 4 is 4, is arranged at equal intervals, and spacing distance is 1.5m, first deflection plate 4 and tower body one
The distance of side wall is 2m, and the distance of the 4th deflection plate 4 opposite side wall relative with tower body is 1.5m, a height of 2.5m of deflection plate 4,
Each deflection plate 4 is away from distance from bottom by rear to preceding 0.2m incremented by successively.
As shown in Fig. 2 the tower body size of column for smoke purification is 8m long, width 8m, 30m high, it is relative in tower body to be provided with two
The active focus layer 3 of layer, bottom is provided with an air inlet 1, and inlet pipeline is 2m long, the square opening long of width 1.5m, and top is relative to be provided with
Two gas outlets 2.Flue gas flow is 150,000 Nm3/ h, is distributed according to software simulative optimization flue gas desulfurization and denitrification tower interior flow field, with
Flue gas flow field result is contrasted in tower in actual production process, and finally selected deflection plate 4 is straight arc straight plate, as shown in Figure 8.
Arranged at the flow of flue gas deflecting of air inlet 1, the number of deflection plate 4 is 4, positioned at the straight section length from front to back of vertical direction
Respectively 0.5m, 0.9m, 1.3m, 1.7m, 1m is positioned at the straight section length of horizontal direction, and the radius of segmental arc is 0.4m,
First deflection plate 4 is 1.4m with the distance of tower body side wall, from front to back the spacing between each deflection plate 4 be followed successively by 1.5m,
1.5m, 1.6m, the distance of the 4th deflection plate 4 opposite side wall relative with tower body is 2m, and each deflection plate 4 is away from distance from bottom by rear
To preceding 0.4m incremented by successively.
The column for smoke purification that the present embodiment is provided is disposed with deflection plate at the flow of flue gas deflecting of air inlet, and deflection plate can
Straight panel, arc, straight arc or straight arc straight plate are thought, by selecting rational deflection plate type, size and arrangement side
Formula improves adsorption efficiency of the flue gas in focus layer so as to improve uniform distribution of forces of the flue gas in air inlet.
Finally, in addition it is also necessary to explanation, herein, term " including ", "comprising" or its any other variant be intended to
Cover including for nonexcludability, so that process, method, article or equipment including a series of key elements not only include those
Key element, but also other key elements including being not expressly set out, or also include for this process, method, article or set
Standby intrinsic key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that
Also there is other identical element in the process including the key element, method, article or equipment.
Above is the embodiment be given with reference to accompanying drawing, is only to realize preferred scheme of the invention rather than its limitations, it is any
Specific embodiment of the invention is modified or equivalent is carried out to some technical characteristics, without deviating from skill of the present invention
The spirit of art scheme, all should cover in the middle of claimed technical scheme scope of the invention.Protection scope of the present invention is also wrapped
Include those skilled in the art and do not pay the thinkable any alternate embodiments of creative work institute.
Claims (8)
1. a kind of column for smoke purification, it is characterised in that including tower body, be arranged at least one air inlet of the tower body bottom
(1) at least one gas outlet (2) at the top of the tower body, activity focus layer of at least one of which in the tower body (3), are arranged on
And the deflection plate (4) arranged at the flow of flue gas deflecting of the air inlet (1).
2. a kind of column for smoke purification according to claim 1, it is characterised in that the deflection plate (4) is straight panel, arc
Plate, straight arc or straight arc straight plate, wherein, the straight arc includes the straight section and segmental arc that are connected, and the straight arc is straight
Shape plate includes the straight section positioned at vertical direction, the straight section positioned at horizontal direction and the segmental arc connected between two straight sections.
3. a kind of column for smoke purification according to claim 2, it is characterised in that the arc, the straight arc
The radius of the segmental arc of segmental arc or the straight arc straight plate is between 1m to 3m.
4. a kind of column for smoke purification according to claim 1, it is characterised in that offer multiple on the deflection plate (4)
Circular port or elongate holes.
5. a kind of column for smoke purification according to claim 1, it is characterised in that the number of the deflection plate (4) is 3-5
It is individual.
6. a kind of column for smoke purification according to claim 1, it is characterised in that the length of the deflection plate (4) with it is described
The length of air inlet (1) is identical, and the height of the deflection plate (4) is between 1m to 3m.
7. a kind of column for smoke purification according to claim any one of 1-6, it is characterised in that the active focus layer (3)
Thickness is between 1.4m to 1.9m.
8. a kind of column for smoke purification according to claim any one of 1-6, it is characterised in that the length of the tower body is in 6m
To between 10m, width between 6m to 10m, highly between 20m to 40m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611046996.5A CN106731449A (en) | 2016-11-23 | 2016-11-23 | A kind of column for smoke purification |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611046996.5A CN106731449A (en) | 2016-11-23 | 2016-11-23 | A kind of column for smoke purification |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106731449A true CN106731449A (en) | 2017-05-31 |
Family
ID=58975562
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611046996.5A Pending CN106731449A (en) | 2016-11-23 | 2016-11-23 | A kind of column for smoke purification |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106731449A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107185404A (en) * | 2017-07-13 | 2017-09-22 | 中国科学院过程工程研究所 | A kind of gas cleaning absorption tower and its flue gas purifying method and application |
| CN108325358A (en) * | 2018-02-26 | 2018-07-27 | 中国科学院过程工程研究所 | A kind of gas cleaning absorption tower and its processing method and purposes |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101766950A (en) * | 2008-12-30 | 2010-07-07 | 上海电气石川岛电站环保工程有限公司 | Flue gas flow equalizing and guiding assembly of selective catalyctic reduction (SCR) denitration reactor inlet |
| CN101810981A (en) * | 2009-12-24 | 2010-08-25 | 上海克硫环保科技股份有限公司 | Efficient low-resistance cross-flow type moving bed desulfurizing tower |
| CN102989313A (en) * | 2012-11-05 | 2013-03-27 | 航天环境工程有限公司 | Flue gas denitration reaction device of catalytic fluidized bed |
| CN203507792U (en) * | 2013-09-27 | 2014-04-02 | 武汉科技大学 | Synchronous desulfurization and denitrification tower |
| CN204891606U (en) * | 2015-08-11 | 2015-12-23 | 潍坊恒阳环保工程有限公司 | SCR reactor that uses in flue gas denitration engineering |
| CN205659562U (en) * | 2016-05-18 | 2016-10-26 | 福建龙净环保股份有限公司 | Drainage and fairing suitable for SCR flue gas denitration system |
-
2016
- 2016-11-23 CN CN201611046996.5A patent/CN106731449A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101766950A (en) * | 2008-12-30 | 2010-07-07 | 上海电气石川岛电站环保工程有限公司 | Flue gas flow equalizing and guiding assembly of selective catalyctic reduction (SCR) denitration reactor inlet |
| CN101810981A (en) * | 2009-12-24 | 2010-08-25 | 上海克硫环保科技股份有限公司 | Efficient low-resistance cross-flow type moving bed desulfurizing tower |
| CN102989313A (en) * | 2012-11-05 | 2013-03-27 | 航天环境工程有限公司 | Flue gas denitration reaction device of catalytic fluidized bed |
| CN203507792U (en) * | 2013-09-27 | 2014-04-02 | 武汉科技大学 | Synchronous desulfurization and denitrification tower |
| CN204891606U (en) * | 2015-08-11 | 2015-12-23 | 潍坊恒阳环保工程有限公司 | SCR reactor that uses in flue gas denitration engineering |
| CN205659562U (en) * | 2016-05-18 | 2016-10-26 | 福建龙净环保股份有限公司 | Drainage and fairing suitable for SCR flue gas denitration system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107185404A (en) * | 2017-07-13 | 2017-09-22 | 中国科学院过程工程研究所 | A kind of gas cleaning absorption tower and its flue gas purifying method and application |
| CN108325358A (en) * | 2018-02-26 | 2018-07-27 | 中国科学院过程工程研究所 | A kind of gas cleaning absorption tower and its processing method and purposes |
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Application publication date: 20170531 |
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