CN204952618U - Desulfurization absorption tower - Google Patents
Desulfurization absorption tower Download PDFInfo
- Publication number
- CN204952618U CN204952618U CN201520706570.2U CN201520706570U CN204952618U CN 204952618 U CN204952618 U CN 204952618U CN 201520706570 U CN201520706570 U CN 201520706570U CN 204952618 U CN204952618 U CN 204952618U
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- CN
- China
- Prior art keywords
- nozzle
- absorbing tower
- desulfuration absorbing
- jeting area
- jet
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- 238000006477 desulfuration reaction Methods 0.000 title claims abstract description 48
- 238000010521 absorption reaction Methods 0.000 title abstract description 11
- 230000023556 desulfurization Effects 0.000 title abstract description 8
- 239000007921 spray Substances 0.000 claims abstract description 34
- 238000002347 injection Methods 0.000 claims abstract description 18
- 239000007924 injection Substances 0.000 claims abstract description 18
- 238000005507 spraying Methods 0.000 claims description 10
- 230000002457 bidirectional effect Effects 0.000 claims description 3
- 239000000779 smoke Substances 0.000 abstract description 2
- 241001640558 Cotoneaster horizontalis Species 0.000 abstract 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 9
- 239000003546 flue gas Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 241000196324 Embryophyta Species 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 240000004859 Gamochaeta purpurea Species 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Landscapes
- Gas Separation By Absorption (AREA)
- Treating Waste Gases (AREA)
Abstract
The utility model discloses a desulfurization absorption tower, this desulfurization absorption tower include spray set, spray set include the spray tube with set up in nozzle on the spray tube, space in the desulfurization absorption tower includes that the main part injection is regional and sprays region for this main part and more be close to the nearly wall of desulfurization absorption tower's internal face sprays the region, wherein, the nozzle is including distributing nearly wall sprays regional a plurality of first nozzle (1) and distributes regional a plurality of second nozzle (2) are sprayed to the main part, wherein the spray direction of first nozzle (1) is downward, just the density that sprays of first nozzle (1) is greater than second nozzle (2) spray density. The density that sprays of the decurrent first nozzle of spray direction is greater than the second nozzle spray density to improve nearly wall and sprayed regional smoke resistance, avoided nearly wall to spray regional escape phenomenon, in order to improve desulfurization efficiency.
Description
Technical field
The utility model relates to desulphurization plant, particularly, relates to a kind of desulfuration absorbing tower.
Background technology
At present at heat-engine plant desulfurized main employing Limestone-gypsum Wet Flue Gas Desulfurization Process, in wet desulphurization, usual employing hollow-spraying-tower technology, when absorption tower spraying layer designs, the method that many employings nozzle is evenly arranged, this layout, the main part in spray cross section can be made to reach even spray, but in near-wall region, absorption tower, spray coverage rate is lower, area resistance is less, flue gas flow rate is very fast, there is the nearly wall escape problem of flue gas in " smoke corridor " that form regional area through this near-wall region of being everlasting, the desulfurized effect of this partial fume is poor, thus the desulfuration efficiency that impact is overall.
Early stage hollow-spraying-tower Wet Flue Gas Desulfurization Technique, the nearly wall escape problem of flue gas is not mostly considered when designing, due to the raising day by day of current environmental protection standard, need to transform absorption tower, in order to reach higher desulfuration efficiency, must reduce or eliminate near-wall region, absorption tower escape phenomenon to the impact of desulfuration efficiency.
Therefore, need to provide a kind of desulfuration absorbing tower to improve desulfuration efficiency.
Utility model content
The purpose of this utility model is to provide a kind of desulfuration absorbing tower to overcome deficiency and the defect of the existence of above-mentioned prior art, thus improves desulfuration efficiency.
To achieve these goals, the utility model provides a kind of desulfuration absorbing tower, this desulfuration absorbing tower comprises spray equipment, described spray equipment comprises jet pipe and is arranged at the nozzle on described jet pipe, space in described desulfuration absorbing tower comprises main body jeting area and relative to the nearly wall jeting area of this main body jeting area closer to the internal face of described desulfuration absorbing tower, wherein, described nozzle comprises the multiple first jet being distributed in described nearly wall jeting area and the multiple second nozzles being distributed in described main body jeting area, the injection direction of wherein said first jet is downward, and the sprinkle density of described first jet is greater than the sprinkle density of described second nozzle.
Preferably, described jet pipe be many with arrange formed spraying layer.
Preferably, described desulfuration absorbing tower multiple cross sections are in the height direction furnished with described spraying layer respectively.
Preferably, described nearly wall jeting area is around described main body jeting area.
Preferably, described first jet in described nearly wall jeting area and described second nozzle be evenly arranged respectively in described main body jeting area.
Preferably, the spray coverage rate of described first jet in described nearly wall jeting area is less than the spray coverage rate of described second nozzle in described main body jeting area.
Preferably, the injection direction of the described second nozzle of the top layer in described second nozzle down, and the injection direction of second nozzle described in other simultaneously towards upper and lower to.
Preferably, described first jet is solid-cone (type) nozzle, and described second nozzle is hollow cone nozzle.
Preferably, the described hollow cone nozzle of the described top layer in described hollow cone nozzle be injection direction towards under unidirectional hollow cone nozzle, hollow cone nozzle described in other be injection direction towards upper and towards under bidirectional hollow cone nozzle, described solid-cone (type) nozzle is unidirectional solid-cone (type) nozzle.
Pass through technique scheme, the nearly wall jeting area of desulfuration absorbing tower is provided with the downward first jet of injection direction, the sprinkle density of this first jet is greater than the sprinkle density of the described second nozzle being positioned at described main body jeting area, thus improve nearly wall jeting area flue gas resistance, avoid the escape phenomenon of nearly wall jeting area, to improve desulfuration efficiency.
Other features and advantages of the utility model are described in detail in detailed description of the invention part subsequently.
Accompanying drawing explanation
Accompanying drawing is used to provide further understanding of the present utility model, and forms a part for description, is used from explanation the utility model, but does not form restriction of the present utility model with detailed description of the invention one below.In the accompanying drawings:
Fig. 1 is the structural representation of the desulfuration absorbing tower that a kind of detailed description of the invention of the utility model provides.
Description of reference numerals
1 first jet 2 second nozzle
Detailed description of the invention
Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is described in detail.Should be understood that, detailed description of the invention described herein, only for instruction and explanation of the utility model, is not limited to the utility model.
In the utility model, when not doing contrary explanation, the noun of locality of use typically refers to the orientation of the structural representation relative to the desulfuration absorbing tower in the utility model as " upper and lower, "." inside and outside " is practical structures relative to desulfuration absorbing tower and limits.On " sprinkle density " refers to that unit tower section is long-pending, the liquid volume of spray in the unit interval.
To achieve these goals, the utility model provides a kind of desulfuration absorbing tower, this desulfuration absorbing tower comprises spray equipment, described spray equipment comprises jet pipe and is arranged at the nozzle on described jet pipe, space in described absorption tower comprises main body jeting area and relative to the nearly wall jeting area of this main body jeting area closer to described absorption tower internal face, wherein, described nozzle comprises the multiple first jet 1 being distributed in described nearly wall jeting area and the multiple second nozzles 2 being distributed in described main body jeting area, the injection direction of wherein said first jet 1 is downward, and the sprinkle density of described first jet 1 is greater than the sprinkle density of described second nozzle 2.
As shown in Figure 1, the nearly wall jeting area of desulfuration absorbing tower is provided with the downward first jet of injection direction, main body jeting area is provided with second nozzle, the sprinkle density of this first jet is greater than the sprinkle density of described second nozzle, thus improve nearly wall jeting area flue gas resistance, avoid " flue gas escape " phenomenon to the impact of desulfuration efficiency, to improve desulfuration efficiency.
In order to make liquid uniform spraying, as the preferred detailed description of the invention of one, described jet pipe is many and forms spraying layer to arrange.The jet pipe forming spraying layer can be evenly arranged in order, also can crisscross arranged crosswise.Individually can be connected with providing the hydraulic pump of pressure by many jet pipes, being connected with hydraulic pump after also many jet pipes can being connected in turn.
In order to improve sprinkle density further, as one preferred embodiment, as shown in Figure 1, described desulfuration absorbing tower multiple cross sections are in the height direction furnished with described spraying layer respectively.Different spray nozzles on multiple spraying layer works respectively, further increases sprinkle density, thus improves spray coverage rate.
Preferably, described nearly wall jeting area is around described main body jeting area.
In order to make spray more even, a kind of preferred detailed description of the invention, described first jet 1 in described nearly wall jeting area and described second nozzle 2 be evenly arranged respectively in described main body jeting area.
As the preferred detailed description of the invention of one, the spray coverage rate of described first jet 1 in described nearly wall jeting area is less than the spray coverage rate of described second nozzle 2 in described main body jeting area.And the sprinkle density of first jet 1 is greater than the sprinkle density of second nozzle 2, thus make the resistance in nearly wall jeting area and main body jeting area suitable, make the flue gas resistance in desulfuration absorbing tower more even, thus further avoid the escape phenomenon of nearly wall jeting area.
Preferably, as shown in Figure 1, the injection direction of the described second nozzle 2 of the top layer in described second nozzle 2 down, and the injection direction of second nozzle 2 described in other simultaneously towards upper and lower to.
As the preferred detailed description of the invention of one, described first jet 1 is solid-cone (type) nozzle, and described second nozzle 2 is hollow cone nozzle.When desulfuration absorbing tower works, identical with the spray pressure of the liquid that hollow cone nozzle sprays from solid-cone (type) nozzle, and the sprinkle density of solid-cone (type) nozzle is greater than the sprinkle density of hollow cone nozzle, thus form the drag effect that the drag effect of solid-cone (type) nozzle is greater than hollow cone nozzle, also just counteract or phenomenon that local velocity that partial offset causes because nearly wall jeting area coverage rate is low, resistance is little is high.
Preferably, the described hollow cone nozzle of the described top layer in described hollow cone nozzle be injection direction towards under unidirectional hollow cone nozzle, hollow cone nozzle described in other be injection direction towards upper and towards under bidirectional hollow cone nozzle, described solid-cone (type) nozzle is unidirectional solid-cone (type) nozzle.
Below preferred embodiment of the present utility model is described by reference to the accompanying drawings in detail; but; the utility model is not limited to the detail in above-mentioned embodiment; within the scope of technical conceive of the present utility model; can carry out multiple simple variant to the technical solution of the utility model, these simple variant all belong to protection domain of the present utility model.
It should be noted that in addition, each concrete technical characteristic described in above-mentioned detailed description of the invention, in reconcilable situation, can be combined by any suitable mode, in order to avoid unnecessary repetition, the utility model illustrates no longer separately to various possible combination.
In addition, also can be combined between various different embodiment of the present utility model, as long as it is without prejudice to thought of the present utility model, it should be considered as content disclosed in the utility model equally.
Claims (9)
1. a desulfuration absorbing tower, this desulfuration absorbing tower comprises spray equipment, described spray equipment comprises jet pipe and is arranged at the nozzle on described jet pipe, space in described desulfuration absorbing tower comprises main body jeting area and relative to the nearly wall jeting area of this main body jeting area closer to the internal face of described desulfuration absorbing tower, it is characterized in that, described nozzle comprises the multiple first jet (1) being distributed in described nearly wall jeting area and the multiple second nozzles (2) being distributed in described main body jeting area, the injection direction of wherein said first jet (1) is downward, and the sprinkle density of described first jet (1) is greater than the sprinkle density of described second nozzle (2).
2. desulfuration absorbing tower according to claim 1, is characterized in that, described jet pipe is many and forms spraying layer to arrange.
3. desulfuration absorbing tower according to claim 2, is characterized in that, described desulfuration absorbing tower multiple cross sections are in the height direction furnished with described spraying layer respectively.
4. desulfuration absorbing tower according to claim 1, is characterized in that, described nearly wall jeting area is around described main body jeting area.
5. desulfuration absorbing tower according to claim 1, is characterized in that, described first jet (1) in described nearly wall jeting area and described second nozzle (2) be evenly arranged respectively in described main body jeting area.
6. desulfuration absorbing tower according to claim 1, it is characterized in that, the spray coverage rate of described first jet (1) in described nearly wall jeting area is less than the spray coverage rate of described second nozzle (2) in described main body jeting area.
7. desulfuration absorbing tower according to claim 1, it is characterized in that, the injection direction of the described second nozzle (2) of the top layer in described second nozzle (2) down, and the injection direction of second nozzle described in other (2) simultaneously towards upper and lower to.
8. desulfuration absorbing tower according to any one of claim 1 to 7, is characterized in that, described first jet (1) is solid-cone (type) nozzle, and described second nozzle (2) is hollow cone nozzle.
9. desulfuration absorbing tower according to claim 8, it is characterized in that, the described hollow cone nozzle of the described top layer in described hollow cone nozzle be injection direction towards under unidirectional hollow cone nozzle, hollow cone nozzle described in other be injection direction towards upper and towards under bidirectional hollow cone nozzle, described solid-cone (type) nozzle is unidirectional solid-cone (type) nozzle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520706570.2U CN204952618U (en) | 2015-09-11 | 2015-09-11 | Desulfurization absorption tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520706570.2U CN204952618U (en) | 2015-09-11 | 2015-09-11 | Desulfurization absorption tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204952618U true CN204952618U (en) | 2016-01-13 |
Family
ID=55047716
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520706570.2U Active CN204952618U (en) | 2015-09-11 | 2015-09-11 | Desulfurization absorption tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204952618U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106547968A (en) * | 2016-10-26 | 2017-03-29 | 中国神华能源股份有限公司 | The nearly wall escape phenomenon quantization method in absorption tower |
-
2015
- 2015-09-11 CN CN201520706570.2U patent/CN204952618U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106547968A (en) * | 2016-10-26 | 2017-03-29 | 中国神华能源股份有限公司 | The nearly wall escape phenomenon quantization method in absorption tower |
| CN106547968B (en) * | 2016-10-26 | 2020-05-05 | 中国神华能源股份有限公司 | Method for quantifying near-wall escape phenomenon of absorption tower |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |