CN220657024U - Dry desulfurizing tower device for high-sulfur-concentration flue gas - Google Patents
Dry desulfurizing tower device for high-sulfur-concentration flue gas Download PDFInfo
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- CN220657024U CN220657024U CN202321699349.XU CN202321699349U CN220657024U CN 220657024 U CN220657024 U CN 220657024U CN 202321699349 U CN202321699349 U CN 202321699349U CN 220657024 U CN220657024 U CN 220657024U
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- China
- Prior art keywords
- desulfurizing tower
- desulfurizing
- flue gas
- desulfurization
- tower body
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- 230000003009 desulfurizing effect Effects 0.000 title claims abstract description 66
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 28
- 239000003546 flue gas Substances 0.000 title claims abstract description 28
- 238000006477 desulfuration reaction Methods 0.000 claims abstract description 55
- 230000023556 desulfurization Effects 0.000 claims abstract description 55
- 238000003756 stirring Methods 0.000 claims description 22
- 230000007246 mechanism Effects 0.000 claims description 18
- 229910052717 sulfur Inorganic materials 0.000 claims description 12
- 239000011593 sulfur Substances 0.000 claims description 12
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000012423 maintenance Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 5
- 238000005245 sintering Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 239000003245 coal Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Treating Waste Gases (AREA)
Abstract
The utility model provides a dry desulfurization tower device for high-sulfur-concentration flue gas, which comprises a desulfurization tower body and a humidifying device arranged at the top of the desulfurization tower body; the desulfurizing tower body is provided with a plurality of groups, and the desulfurizing tower bodies of all groups are sequentially connected into a whole along the desulfurizing direction; a shared side wall is also arranged between two adjacent groups of desulfurization tower bodies; the side wall is also provided with a vent hole; and the two adjacent groups of desulfurizing tower bodies are connected into a whole through a shared side wall along the direction of desulfurizing and conveying the flue gas. The utility model simplifies the structure of the traditional dry desulfurizing tower device in use, facilitates the arrangement of the desulfurizing tower device on the production site, saves the production field, and reduces the maintenance workload in the subsequent production process.
Description
Technical Field
The utility model relates to the field of dry desulfurization, in particular to a dry desulfurization tower device for high-sulfur-concentration flue gas.
Background
In recent years, with the development of economy, excellent resources such as coal, ore and the like are reduced, high-sulfur coal and high-sulfur ore resources are increasingly applied to sintering and thermal power production, and the sulfur content of flue gas is gradually increased. Aiming at desulfurization of a steel sintering machine, various sintering flue gas desulfurization technologies are developed successively, wherein a wet desulfurization process represented by a limestone-gypsum process is widely applied, but the desulfurization method has the problems of low desulfurization efficiency and secondary pollution caused by secondary pollution water generated by washing flue gas; the dry semi-dry desulfurization technology represented by the dense-phase tower technology has high desulfurization efficiency on low-sulfur-concentration flue gas, but is basically not suitable for desulfurization of high-sulfur-concentration sintering flue gas. The desulfurization of high sulfur concentration flue gas can not meet the national desulfurization effect requirements by adopting several wet or dry desulfurization technologies at present.
Disclosure of Invention
The utility model aims to solve the defects in the prior art, and provides a dry desulfurization tower device for high-sulfur-concentration flue gas.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a dry desulfurizing tower device for high-sulfur-concentration flue gas, which comprises a desulfurizing tower body and a humidifying device arranged at the top of the desulfurizing tower body; the desulfurizing tower body is provided with a plurality of groups, and the desulfurizing tower bodies of all groups are sequentially connected into a whole along the desulfurizing direction; a shared side wall is also arranged between two adjacent groups of desulfurization tower bodies; the side wall is also provided with a vent hole; and the two adjacent groups of desulfurizing tower bodies are connected into a whole through a shared side wall along the direction of desulfurizing and conveying the flue gas.
Preferably, a stirring mechanism is further arranged in the middle of the inner side of each group of the desulfurizing tower body; each group of stirring mechanism is arranged in the desulfurizing tower body along the vertical direction of the desulfurizing tower body in sequence, and the position of the stirring mechanism does not exceed the vent hole.
Preferably, the rotation stirring directions of the stirring mechanisms in the desulfurizing tower bodies which are adjacently arranged are opposite.
Preferably, ash hoppers are arranged at the bottom of each group of the desulfurizing tower bodies; the bottom of the ash bucket is also provided with a discharge opening; the ash bucket is arranged in an inverted triangle structure; the inside wall of ash bucket all is equipped with anti-adhesion layer.
Preferably, the vent holes are arranged on two sides of the desulfurizing tower body, and are respectively arranged at the upper left side and the lower right side of the desulfurizing tower body.
Compared with the prior art, the utility model has the beneficial effects that: the utility model simplifies the structure of the traditional dry desulfurizing tower device in use, facilitates the arrangement of the desulfurizing tower device on the production site, saves the production field, and reduces the maintenance workload in the subsequent production process.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
in the figure: 1-a desulfurizing tower body; 2-side walls; 3-a stirring mechanism; 4-a humidifying device; 5-ash bucket; 6-a discharge port; 7, a filter screen; 21-vent holes; 51-anti-blocking layer.
Description of the embodiments
For a further understanding of the objects, construction, features, and functions of the utility model, reference should be made to the following detailed description of the preferred embodiments.
Referring to fig. 1 in combination, a dry desulfurization tower device for high sulfur concentration flue gas includes a desulfurization tower body 1, and a humidifying device 4 disposed on the top of the desulfurization tower body 1; the desulfurizing tower body 1 is provided with a plurality of groups, and the desulfurizing tower bodies 1 of each group are sequentially connected into a whole along the desulfurizing direction; a shared side wall 2 is also arranged between two adjacent groups of desulfurization tower bodies 1; the side wall 2 is also provided with a vent hole 21; and the two adjacent groups of desulfurization tower bodies 1 are connected into a whole through a shared side wall 2 along the direction of desulfurizing and conveying flue gas.
The dry desulfurization tower device is arranged to comprise a plurality of groups of desulfurization tower bodies 1, and the flue gas output ends of more than one group of desulfurization tower bodies 1 of each group of desulfurization tower bodies 1 are connected with the flue gas inlet ends of the adjacent next group of desulfurization tower bodies 1 into a whole. Thus, after desulfurization is performed by the front-stage desulfurizing tower body 1, sulfur-containing flue gas with the desulfurization effect not reaching the emission requirement can be subjected to multiple desulfurization by the subsequent multi-group desulfurizing tower bodies 1, so that the purpose of remarkably improving the desulfurization effect of high-sulfur concentration sintering flue gas can be achieved.
Preferably, a stirring mechanism 3 is further arranged in the middle of the inner side of each group of the desulfurizing tower body 1; each group of stirring mechanisms 3 are sequentially arranged in the desulfurizing tower body 1 along the vertical direction of the desulfurizing tower body 1, and the positions of the stirring mechanisms 3 do not exceed the vent holes 21.
Preferably, the rotation stirring directions of the stirring mechanisms 3 in the desulfurizing tower bodies 1 which are adjacently arranged are opposite.
In each group of desulfurizing tower bodies 1, two adjacent groups of dry desulfurizing tower bodies 1 are connected into a whole by a structure of a shared side wall 2 along the flue gas conveying direction. In order to improve the desulfurization effect of each group of desulfurizing tower bodies 1 of the dry desulfurizing tower device and reduce the number of groups of desulfurizing tower bodies 1 forming the dry desulfurizing tower device, the aim of reducing the equipment investment cost to the maximum extent is achieved, a stirring mechanism 3 is further arranged in each group of desulfurizing tower bodies 1, and each group of ash stirring mechanisms 3 are sequentially arranged in the desulfurizing tower bodies 1 along the vertical direction of the dry desulfurizing tower bodies 1.
Wherein, the preferable arrangement mode of each group of stirring mechanisms 3 is that in each group of ash stirring mechanisms 3 arranged in the same group of dry desulfurizing tower body 1, the rotation stirring directions of two adjacent groups of ash stirring mechanisms 3 are opposite.
Preferably, ash hoppers 5 are arranged at the bottom of each group of the desulfurizing tower bodies 1; the bottom of the ash bucket 5 is also provided with a discharge opening 6; the ash bucket 5 is arranged in an inverted triangle structure; the inner side walls of the ash bucket 5 are respectively provided with an anti-adhesion layer 51.
Further, the anti-adhesion layer 51 can effectively prevent desulfurization from adhering in the ash bucket 5 and falling to the discharge opening 6, and prevent the lower desulfurization from being accumulated and returned due to accumulation in the ash bucket 5.
Further, a filter screen 7 is arranged in the air outlet at the tail end of the dry desulfurizing tower device, and the flue gas with the last exhaust number is filtered, so that the exhaust is more environment-friendly.
Preferably, the vent holes 21 are provided on both sides of the desulfurizing tower body 1, respectively, at the upper left and lower right of the desulfurizing tower body 1.
Further, during installation, the vent holes 21 of two adjacent groups of desulfurizing tower bodies 1 are connected through flanges in sequence in a head-tail correspondence manner.
In order to facilitate adding moisture into the desulfurization ash input into the desulfurization tower body 1 to improve the desulfurization effect, a humidifying device 4 is further arranged at the top of each group of desulfurization tower bodies 1, and the desulfurization ash input into the desulfurization tower body 1 is humidified in the humidifying device 4 and then is input into the desulfurization tower body 1; meanwhile, in order to facilitate the discharge of the spent desulfurization ash from the dry desulfurization tower body 1, ash hoppers 5 are arranged at the bottom of each group of desulfurization tower bodies 1, the desulfurization ash which absorbs the sulfur components in the flue gas after chemical desulfurization flows into the ash hoppers 5, and the desulfurization ash is output from the dry desulfurization tower body 1 through discharge openings 6 arranged at the bottom of the ash hoppers 5.
The utility model has been described with respect to the above-described embodiments, however, the above-described embodiments are merely examples of practicing the utility model. It should be noted that the disclosed embodiments do not limit the scope of the utility model. On the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the utility model.
Claims (4)
1. A dry desulfurizing tower device for high sulfur concentration flue gas is characterized in that: the device comprises a desulfurizing tower body (1) and a humidifying device (4) arranged at the top of the desulfurizing tower body (1); the desulfurizing tower body (1) is provided with a plurality of groups, and the desulfurizing tower bodies (1) of each group are sequentially connected into a whole along the desulfurizing direction; a shared side wall (2) is also arranged between two adjacent groups of desulfurization tower bodies (1); the side wall (2) is also provided with a vent hole (21); the two adjacent groups of desulfurization tower bodies (1) are connected into a whole through a shared side wall (2) along the direction of desulfurizing and conveying flue gas; the bottom of each group of desulfurizing tower bodies (1) is provided with ash hoppers (5); the bottom of the ash bucket (5) is also provided with a discharge opening (6); the ash bucket (5) is arranged in an inverted triangle structure; the inner side walls of the ash hoppers (5) are respectively provided with an anti-adhesion layer (51).
2. A dry desulfurization tower apparatus for high sulfur concentration flue gas according to claim 1, wherein: the middle part of the inner side of each group of the desulfurizing tower bodies (1) is also provided with a stirring mechanism (3); each group of stirring mechanisms (3) are sequentially arranged in the desulfurizing tower body (1) along the vertical direction of the desulfurizing tower body (1), and the positions of the stirring mechanisms (3) are not more than the vent holes (21).
3. A dry desulfurization tower apparatus for high sulfur concentration flue gas according to claim 2, wherein: the rotation stirring directions of the stirring mechanisms (3) in the adjacent desulfurizing tower bodies (1) are opposite.
4. A dry desulfurization tower apparatus for high sulfur concentration flue gas according to claim 1, wherein: the vent holes (21) are arranged on two sides of the desulfurizing tower body (1) and are respectively arranged at the upper left side and the lower right side of the desulfurizing tower body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321699349.XU CN220657024U (en) | 2023-06-30 | 2023-06-30 | Dry desulfurizing tower device for high-sulfur-concentration flue gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321699349.XU CN220657024U (en) | 2023-06-30 | 2023-06-30 | Dry desulfurizing tower device for high-sulfur-concentration flue gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220657024U true CN220657024U (en) | 2024-03-26 |
Family
ID=90342361
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321699349.XU Active CN220657024U (en) | 2023-06-30 | 2023-06-30 | Dry desulfurizing tower device for high-sulfur-concentration flue gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220657024U (en) |
-
2023
- 2023-06-30 CN CN202321699349.XU patent/CN220657024U/en active Active
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