CN214233425U - Active burnt layering dust removal SOx/NOx control integrated device - Google Patents
Active burnt layering dust removal SOx/NOx control integrated device Download PDFInfo
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- CN214233425U CN214233425U CN202023213786.5U CN202023213786U CN214233425U CN 214233425 U CN214233425 U CN 214233425U CN 202023213786 U CN202023213786 U CN 202023213786U CN 214233425 U CN214233425 U CN 214233425U
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Abstract
An active coke layered dedusting, desulfurization and denitrification integrated device comprises a middle air inlet chamber, a first bed layer, a second bed layer, an ammonia spraying chamber, a third bed layer, a transition air chamber, a fourth bed layer and an air outlet chamber, wherein the middle air inlet chamber, the first bed layer, the second bed layer, the ammonia spraying chamber, the third bed layer, the transition air chamber, the fourth bed layer and the air outlet chamber are connected with an air inlet flue; taking the middle air inlet chamber as a central reference, wherein the two sides of the middle air inlet chamber are symmetrically connected with a first bed layer, a second bed layer, an ammonia spraying chamber, a third bed layer, a transition air chamber, a fourth bed layer and an air outlet chamber in sequence; the flue gas enters the middle gas inlet chamber, sequentially passes through the first bed layer, the second bed layer, the ammonia spraying chamber, the third bed layer, the transition gas chamber and the fourth bed layer, and is finally discharged by the gas outlet chamber; wherein the first bed layer, the second bed layer, the third bed layer and the fourth bed layer are all active coke bed layers. The utility model discloses realize dust removal SOx/NOx control process, its desulfurization efficiency can reach more than 99%, and its denitration efficiency can reach more than 90%, and equipment overall structure is simple, and operating mass is good, and work efficiency is high.
Description
Technical Field
The utility model relates to a SOx/NOx control equipment field especially relates to an active burnt layering dust removal SOx/NOx control integrated device.
Background
The existing desulfurization and denitrification equipment has low desulfurization and denitrification efficiency, complex structure and inconvenient use.
SUMMERY OF THE UTILITY MODEL
Objects of the invention
For solving the technical problem who exists among the background art, the utility model provides an active burnt layering dust removal SOx/NOx control integrated device, equipment overall structure is simple, and operating quality is good, and work efficiency is high.
(II) technical scheme
In order to solve the problems, the utility model provides an active coke layered dust removal, desulfurization and denitrification integrated device, which comprises a middle air inlet chamber, a first bed layer, a second bed layer, an ammonia spraying chamber, a third bed layer, a transition air chamber, a fourth bed layer and an air outlet chamber, wherein the middle air inlet chamber, the first bed layer, the second bed layer, the ammonia spraying chamber, the third bed layer, the transition air chamber, the fourth bed layer and the air outlet chamber are connected with an air inlet flue; taking the middle air inlet chamber as a central reference, wherein the two sides of the middle air inlet chamber are symmetrically connected with a first bed layer, a second bed layer, an ammonia spraying chamber, a third bed layer, a transition air chamber, a fourth bed layer and an air outlet chamber in sequence; the flue gas enters the middle gas inlet chamber, sequentially passes through the first bed layer, the second bed layer, the ammonia spraying chamber, the third bed layer, the transition gas chamber and the fourth bed layer, and is finally discharged by the gas outlet chamber; wherein the first bed layer, the second bed layer, the third bed layer and the fourth bed layer are all active coke bed layers.
Preferably, the middle air inlet chamber is divided into an upper layer and a lower layer, and the flue gas is uniformly divided into two parts at the air inlet flue and respectively enters the upper layer and the lower layer of the middle air inlet chamber; an air inlet grille is arranged between the middle air inlet chamber and the first bed layer, and the air inlet grille is of a shutter structure; a first steel plate mesh plate is arranged between the first bed layer and the second bed layer; a first louver type grid is arranged between the second bed layer and the ammonia spraying chamber; a second shutter type grid is arranged between the ammonia spraying chamber and the third bed layer; an ammonia spraying pipe network is uniformly arranged in the ammonia spraying chamber; a second steel plate mesh plate is arranged on the air outlet side of the third bed layer; a third shutter type grid is arranged between the transition air chamber and the fourth bed layer; a third steel plate mesh plate is arranged on the air outlet side of the fourth bed layer; the air outlet chamber is connected with a chimney, and the chimney is connected with the outside atmosphere.
Preferably, the integrated device comprises a left active coke bed layer and a right active coke bed layer, wherein each active coke bed layer is provided with a two-stage ammonia spraying pipe network; the first-stage ammonia spraying pipe network is positioned in the ammonia spraying chamber, and the second-stage ammonia spraying pipe network is positioned in the transition gas chamber; the second-stage ammonia spraying pipe network is used for supplementing the first-stage ammonia spraying pipe network.
Preferably, the concentration of particulate matter in the inlet flue gas is stably lower than 50mg/Nm3When the first bed layer and the second bed layer are combined into one bed layer.
The utility model discloses realize dust removal SOx/NOx control process, its desulfurization efficiency can reach more than 99%, and its denitration efficiency can reach more than 90%, and equipment overall structure is simple, and operating mass is good, and work efficiency is high.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
As shown in fig. 1, the utility model provides an active coke layered dust removal desulfurization and denitration integrated device, which comprises a middle inlet chamber 1 connected with an inlet flue, a first bed layer 2, a second bed layer 3, an ammonia spraying chamber 4, a third bed layer 5, a transition air chamber 6, a fourth bed layer 7 and an outlet chamber 8;
taking the middle air inlet chamber 1 as a central reference, wherein the two sides of the middle air inlet chamber 1 are symmetrically connected with a first bed layer 2, a second bed layer 3, an ammonia spraying chamber 4, a third bed layer 5, a transition air chamber 6, a fourth bed layer 7 and an air outlet chamber 8 in sequence;
the flue gas enters the middle gas inlet chamber 1, sequentially passes through the first bed layer 2, the second bed layer 3, the ammonia spraying chamber 4, the third bed layer 5, the transition gas chamber 6 and the fourth bed layer 7, and is finally discharged by the gas outlet chamber 8;
wherein, the first bed layer 2, the second bed layer 3, the third bed layer 5 and the fourth bed layer 7 are all active coke bed layers.
In an optional embodiment, the middle air inlet chamber 1 is divided into an upper layer and a lower layer, and the flue gas is uniformly divided into two parts at the air inlet flue and respectively enters the upper layer and the lower layer of the middle air inlet chamber 1;
an air inlet grille 101 is arranged between the middle air inlet chamber 1 and the first bed layer 2, and the air inlet grille 101 is of a shutter structure;
a first steel plate mesh plate 201 is arranged between the first bed layer 2 and the second bed layer 3;
a first louver type grid 401 is arranged between the second bed layer 3 and the ammonia spraying chamber 4;
a second shutter type grid is arranged between the ammonia spraying chamber 4 and the third bed layer 5; an ammonia spraying pipe network is uniformly arranged in the ammonia spraying chamber 4;
a second steel plate mesh plate 501 is arranged on the air outlet side of the third bed layer 5;
a third louver type grating 701 is arranged between the transition air chamber 6 and the fourth bed layer 7;
a third steel plate mesh plate 702 is arranged on the air outlet side of the fourth bed layer 7;
the air outlet chamber 8 is connected with a chimney, and the chimney is connected with the outside atmosphere.
In the utility model, the middle air inlet chamber 1 is divided into an upper layer and a lower layer, which is helpful for the uniform distribution of air; the first bed layer 2 mainly functions to intercept most of dust and adsorb SO2, the active coke of the first bed layer 2 moves at the fastest speed, which is beneficial to quickly taking away dust, adsorbing saturated active coke and also beneficial to taking away heat. The second bed layer 3 mainly plays a role in adsorbing SO 2; the flue gas is adsorbed by the first bed layer 2 and the second bed layer 3, SO that most of SO2 in the flue gas is removed, and conditions are created for next denitration.
Wherein, an ammonia spraying pipe network is uniformly arranged in the ammonia spraying chamber 4, so that the reducing agent ammonia gas and the flue gas are uniformly mixed, and no active coke is filled in the ammonia spraying chamber 4. The third bed 5 is mainly used for denitration and deep desulfurization.
The transition gas chamber 6 is mainly used for supplementing the reducing agent ammonia water and diffusing heat in the flue gas (the transition gas chamber may not be arranged, and the actual situation of a specific application case should be considered).
Wherein, the fourth bed layer 7 is mainly used for denitration and dust suppression. Finally, the clean smoke is converged into the outlet flue through the air outlet chamber and then is discharged into the atmosphere through the chimney.
In an optional embodiment, the integrated device comprises a left active coke bed layer and a right active coke bed layer, wherein each active coke bed layer is provided with a two-stage ammonia spraying pipe network; the first-stage ammonia spraying pipe network is positioned in the ammonia spraying chamber 4, and the second-stage ammonia spraying pipe network is positioned in the transition gas chamber 6; the second-stage ammonia spraying pipe network is used for supplementing the first-stage ammonia spraying pipe network. The ammonia gas is uniformly distributed on the section of the whole activated carbon bed layer under the combined action of two stages.
In an alternative embodiment, the inlet flue gas particulate matter concentration is steadily below 50mg/Nm3In this case, the first bed 2 and the second bed 3 are combined into one bed.
It should be noted that, when the flue gas is processed without desulfurization or denitration function, the corresponding desulfurization or denitration bed layer can be removed.
To sum up, the utility model discloses realize dust removal SOx/NOx control process, its desulfurization efficiency can reach more than 99%, and its denitration efficiency can reach more than 90%, and equipment overall structure is simple, and operating mass is good, and work efficiency is high.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (4)
1. An active coke layered dedusting, desulfurization and denitrification integrated device is characterized by comprising a middle air inlet chamber (1), a first bed layer (2), a second bed layer (3), an ammonia spraying chamber (4), a third bed layer (5), a transition air chamber (6), a fourth bed layer (7) and an air outlet chamber (8), wherein the middle air inlet chamber is connected with an air inlet flue;
the middle air inlet chamber (1) is taken as a center reference, and the two sides of the middle air inlet chamber (1) are symmetrical and are sequentially connected with a first bed layer (2), a second bed layer (3), an ammonia spraying chamber (4), a third bed layer (5), a transition air chamber (6), a fourth bed layer (7) and an air outlet chamber (8);
the flue gas enters the middle gas inlet chamber (1), sequentially passes through the first bed layer (2), the second bed layer (3), the ammonia spraying chamber (4), the third bed layer (5), the transition gas chamber (6) and the fourth bed layer (7), and is finally discharged by the gas outlet chamber (8);
wherein the first bed layer (2), the second bed layer (3), the third bed layer (5) and the fourth bed layer (7) are all active coke bed layers.
2. The active coke layered dedusting, desulfurization and denitrification integrated device according to claim 1 is characterized in that the middle air inlet chamber (1) is divided into an upper layer and a lower layer, and the flue gas is uniformly divided into two streams at the air inlet flue and respectively enters the upper layer and the lower layer of the middle air inlet chamber (1);
an air inlet grille (101) is arranged between the middle air inlet chamber (1) and the first bed layer (2), and the air inlet grille (101) is of a shutter structure;
a first steel plate mesh plate (201) is arranged between the first bed layer (2) and the second bed layer (3);
a first louver type grid (401) is arranged between the second bed layer (3) and the ammonia spraying chamber (4);
a second shutter type grid is arranged between the ammonia spraying chamber (4) and the third bed layer (5); an ammonia spraying pipe network is uniformly arranged in the ammonia spraying chamber (4);
a second steel plate mesh plate (501) is arranged on the air outlet side of the third bed layer (5);
a third louver type grid (701) is arranged between the transition air chamber (6) and the fourth bed layer (7);
a third steel plate mesh plate (702) is arranged on the air outlet side of the fourth bed layer (7);
the air outlet chamber (8) is connected with a chimney, and the chimney is connected with the outside atmosphere.
3. The active coke layered dedusting, desulfurization and denitrification integrated device according to claim 2 is characterized in that the left and right active coke beds of the integrated device are provided with two stages of ammonia spraying pipe networks; the first-stage ammonia spraying pipe network is positioned in the ammonia spraying chamber (4), and the second-stage ammonia spraying pipe network is positioned in the transition gas chamber (6); the second-stage ammonia spraying pipe network is used for supplementing the first-stage ammonia spraying pipe network.
4. The active coke layered dust removal, desulfurization and denitrification integrated device according to claim 1, wherein the concentration of particulate matters in the inlet flue gas is stably lower than 50mg/Nm3In this case, the first bed (2) and the second bed (3) are combined into one bed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023213786.5U CN214233425U (en) | 2020-12-28 | 2020-12-28 | Active burnt layering dust removal SOx/NOx control integrated device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202023213786.5U CN214233425U (en) | 2020-12-28 | 2020-12-28 | Active burnt layering dust removal SOx/NOx control integrated device |
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| CN214233425U true CN214233425U (en) | 2021-09-21 |
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| CN202023213786.5U Active CN214233425U (en) | 2020-12-28 | 2020-12-28 | Active burnt layering dust removal SOx/NOx control integrated device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115253667A (en) * | 2022-07-20 | 2022-11-01 | 中冶北方（大连）工程技术有限公司 | Two-stage double-bed cross-flow type active coke desulfurization and denitrification device and process method |
| CN116726681A (en) * | 2023-08-14 | 2023-09-12 | 北京中航泰达环保科技股份有限公司 | Dry desulfurization, denitrification and dust removal integrated device and system |
-
2020
- 2020-12-28 CN CN202023213786.5U patent/CN214233425U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115253667A (en) * | 2022-07-20 | 2022-11-01 | 中冶北方（大连）工程技术有限公司 | Two-stage double-bed cross-flow type active coke desulfurization and denitrification device and process method |
| CN116726681A (en) * | 2023-08-14 | 2023-09-12 | 北京中航泰达环保科技股份有限公司 | Dry desulfurization, denitrification and dust removal integrated device and system |
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