CN215311293U - Flue flow guiding device for active coke desulfurization and denitrification system - Google Patents
Flue flow guiding device for active coke desulfurization and denitrification system Download PDFInfo
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- CN215311293U CN215311293U CN202121441031.2U CN202121441031U CN215311293U CN 215311293 U CN215311293 U CN 215311293U CN 202121441031 U CN202121441031 U CN 202121441031U CN 215311293 U CN215311293 U CN 215311293U
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- flue
- guide plate
- guide
- denitrification system
- coke desulfurization
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Abstract
The utility model discloses a flue flow guide device for an active coke desulfurization and denitrification system, and belongs to the technical field of flue flow guide. The air conditioner comprises a first guide plate and a second guide plate; the first guide plates are arranged in parallel in a flue bent pipe at a flue gas inlet and comprise straight parts at two ends and an arc part in the middle, and the arc part protrudes towards the outer side of the flue bent pipe; the second guide plate is a straight plate and is arranged in the flue straight pipe at the smoke outlet in parallel, and the end part of one side of the second guide plate is positioned between the adjacent first guide plates. The utility model can improve the flue gas diversion effect and ensure the uniformity of the flue gas flow field.
Description
Technical Field
The utility model belongs to the technical field of flue diversion, and particularly relates to a flue diversion device for an active coke desulfurization and denitrification system.
Background
Along with the improvement of the environmental protection requirement of people, the sintering flue gas treatment becomes an important problem of steel enterprises, and the desulfurization and denitrification treatment of the flue gas is a key way for achieving the emission reduction task. The active coke desulfurization and denitrification process system is used as a desulfurization and denitrification system for more sintered flue gas in China, the stable operation of the system is the guarantee of high-efficiency desulfurization and denitrification, and the uniformity of a flue gas flow field in an active coke desulfurization and denitrification purification tower is an important index for measuring the performance of the active coke desulfurization and denitrification system.
Therefore, a flue flow guide device is needed to ensure the uniformity of a flue gas flow field in the activated coke desulfurization and denitrification purification tower.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved is as follows: aiming at the technical problems, the utility model provides a flue flow guiding device for an active coke desulfurization and denitrification system, which can improve the flow guiding effect and ensure the uniformity of a flue gas flow field.
The technical scheme is as follows: a flue flow guide device for an active coke desulfurization and denitrification system comprises a first flow guide plate and a second flow guide plate; the first guide plates are arranged in parallel in a flue bent pipe at a flue gas inlet and comprise straight parts at two ends and an arc part in the middle, and the arc part protrudes towards the outer side of the flue bent pipe; the second guide plate is a straight plate and is arranged in the flue straight pipe at the smoke outlet in parallel, and the end part of one side of the second guide plate is positioned between the adjacent first guide plates.
Preferably, the circle center of the arc portion of the first baffle is the same as the circle center of the flue elbow.
Preferably, the distance between the adjacent first guide plates is reduced from the inner side to the outer side of the flue elbow.
Preferably, the radians of the arc parts of the first guide plates are sequentially increased from the inner side to the outer side of the flue elbow.
Preferably, the lengths of the straight portions of the first baffle increase in sequence from the inner side to the outer side of the flue elbow.
Preferably, the straight portion of the first deflector is tangentially connected with the circular arc portion.
Preferably, one side end of the second baffle is located at the midline of the adjacent first baffle.
Preferably, the first guide plate and the second guide plate are both steel plates.
Preferably, the first guide plate is connected with the flue in a welding mode.
Preferably, the second deflector is welded to the flue.
Has the advantages that: through twice rectification of the first guide plate and the second guide plate, the first guide plate and the second guide plate are arranged in a cross flow mode, and the flue gas rectification effect can be effectively enhanced. The straight portion of first guide plate can play the drainage effect, and arc portion can play the effect that changes the flue gas flow direction. The interval of first guide plate is reduced gradually to the outside by the flue return bend inboard, can effectively solve the serious problem of return bend outside torrent. The size of the first guide plate is gradually increased from the inner side to the outer side of the flue elbow, the large-flow condition of the outer side of the elbow can be effectively adapted, the stability of the guide plate is enhanced, and the guide plate is prevented from falling off.
Drawings
FIG. 1 is a schematic structural view of the present invention;
the numerical references in the figures represent the following meanings: 1. the device comprises a flue gas inlet, 2 parts of a first guide plate, 3 parts of a second guide plate, 4 parts of a flue, 5 parts of a flue gas outlet, 6 parts of a flue bent pipe and 7 parts of a flue straight pipe.
Detailed Description
The utility model is further described with reference to the following figures and specific examples.
Example 1
As shown in figure 1, a flue flow guiding device for an active coke desulfurization and denitrification system is arranged in a flue 4 and comprises a first flow guiding plate 2 and a second flow guiding plate 3. First guide plate 2 is fixed welding in flue return bend 6 of flue gas entry 1 department parallel to each other, including the straight portion that is located both ends and the circular arc portion that is located the centre, straight portion is tangent with circular arc portion and is connected, by steel sheet integrated into one piece. The arc part protrudes to the outer side of the flue elbow 6. The circle centers of the arc parts of the first guide plates 2 are the same as the circle center of the flue bent pipe 6. From the inboard to the outside of flue return bend 6, the interval of adjacent first guide plate 2 reduces in proper order, and the radian of the arc portion of first guide plate 2 and the length of straight portion all increase in proper order. The second guide plate 3 is a straight steel plate and is fixedly welded in a flue straight pipe 7 at the flue gas outlet 5 in parallel, and one side end part of the second guide plate is positioned at the center line of the adjacent first guide plate 2.
According to the utility model, through twice rectification of the first guide plate 2 and the second guide plate 3 and cross-flow arrangement of the two, the flue gas rectification effect can be effectively enhanced. The straight portion of first guide plate 2 can play the drainage effect, and the arc portion can play the effect that changes the flue gas flow direction. The distance between the first guide plates 2 is gradually reduced from the inner side to the outer side of the flue bent pipe 6, so that the problem of serious turbulence outside the bent pipe can be effectively solved. The size of the first guide plate 2 is gradually increased from the inner side to the outer side of the flue bent pipe 6, the large-flow condition of the outer side of the bent pipe can be effectively adapted, the stability of the guide plate is enhanced, and the guide plate is prevented from falling off.
Claims (10)
1. A flue flow guide device for an active coke desulfurization and denitrification system is characterized by comprising a first flow guide plate (2) and a second flow guide plate (3); the first guide plates (2) are arranged in parallel in a flue bent pipe (6) at the flue gas inlet (1) and comprise straight parts at two ends and an arc part in the middle, and the arc part protrudes towards the outer side of the flue bent pipe (6); the second guide plate (3) is a straight plate and is arranged in a flue straight pipe (7) at the position of the flue gas outlet (5) in parallel, and the end part of one side of the second guide plate is positioned between the adjacent first guide plates (2).
2. The flue guide device for the activated coke desulfurization and denitrification system according to claim 1, wherein the circle center of the arc portion of the first guide plate (2) is the same as the circle center of the flue elbow (6).
3. The flue guide device for the activated coke desulfurization and denitrification system according to claim 1, wherein the distance between the adjacent first guide plates (2) decreases from the inner side to the outer side of the flue elbow (6).
4. The flue guide device for the activated coke desulfurization and denitrification system according to claim 1, wherein the radians of the arc portions of the first guide plates (2) increase in sequence from the inner side to the outer side of the flue elbow (6).
5. The flue guide device for the activated coke desulfurization and denitrification system according to claim 1, wherein the length of the straight portion of the first guide plate (2) increases in sequence from the inside to the outside of the flue elbow (6).
6. The flue guide device for the activated coke desulfurization and denitrification system according to claim 1, wherein the straight portion of the first guide plate (2) is tangentially connected with the circular arc portion.
7. The flue guide device for the activated coke desulfurization and denitrification system according to claim 1, wherein one side end of the second guide plate (3) is located at the center line of the adjacent first guide plate (2).
8. The flue guide device for the activated coke desulfurization and denitrification system according to claim 1, wherein the first guide plate (2) and the second guide plate (3) are both steel plates.
9. The flue guide device for the activated coke desulfurization and denitrification system according to claim 1, wherein the first guide plate (2) is welded with the flue (4).
10. The flue guide device for the activated coke desulfurization and denitrification system according to claim 1, wherein the second guide plate (3) is welded with the flue (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121441031.2U CN215311293U (en) | 2021-06-28 | 2021-06-28 | Flue flow guiding device for active coke desulfurization and denitrification system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121441031.2U CN215311293U (en) | 2021-06-28 | 2021-06-28 | Flue flow guiding device for active coke desulfurization and denitrification system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215311293U true CN215311293U (en) | 2021-12-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121441031.2U Active CN215311293U (en) | 2021-06-28 | 2021-06-28 | Flue flow guiding device for active coke desulfurization and denitrification system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215311293U (en) |
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2021
- 2021-06-28 CN CN202121441031.2U patent/CN215311293U/en active Active
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