CN216106764U - Small flue gas flow adjusting device of coke oven - Google Patents
Small flue gas flow adjusting device of coke oven Download PDFInfo
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- CN216106764U CN216106764U CN202122170798.2U CN202122170798U CN216106764U CN 216106764 U CN216106764 U CN 216106764U CN 202122170798 U CN202122170798 U CN 202122170798U CN 216106764 U CN216106764 U CN 216106764U
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Abstract
The utility model relates to a small flue gas flow adjusting device of a coke oven, which comprises a plurality of vertical adjusting curtains arranged at intervals along the length direction of a small flue; the vertical adjusting curtain consists of an upper scroll, a lower scroll, a side pull rope, an adjusting curtain and a lower scroll driving device; according to the utility model, a plurality of vertical adjusting curtains are arranged in the small flue along the length direction, and the airflow resistance and the flow speed of the corresponding part are adjusted by changing the sectional area of the small flue flow channel, so that the purpose of adjusting the airflow distribution of the corresponding regenerator is realized, and the uniformity of the airflow distribution of the regenerator can be improved.
Description
Technical Field
The utility model relates to the technical field of coking, in particular to a small flue gas flow adjusting device of a coke oven.
Background
The distribution of the long-direction airflow of the coke oven directly influences the heating uniformity and the product quality of the coke oven; the long-direction gas flow of the coke oven is usually regulated by means of a regulating structure or a regulating device due to the structure limitation of the coke oven. The currently widely adopted coke oven adjusting mode is a downward adjusting structure of grate bricks and adjusting bricks, namely, the opening degree of adjustable holes (adjusting holes) is adjusted by adjusting the thickness and the number of the adjusting bricks in the grate bricks, so that the distribution control of air flow along the length direction of the coke oven is realized. Or the pull-type grate plate is adopted, and the resistance of the corresponding position is adjusted through the holes with different diameters formed in the length direction, so that the distribution of the gas in the length direction of the regenerator is more reasonable.
The lower part of each regenerative chamber is provided with a down-regulation hole by adopting a regulation brick regulation mode; the grate plate adjusting mode is adopted, the stroke is too long, even if the operation is carried out from two sides, the maximum operation stroke can reach the half-position of the coke oven in the length direction, and the operation difficulty is high.
Disclosure of Invention
The utility model provides a small flue gas flow adjusting device of a coke oven, wherein a plurality of vertical adjusting curtains are arranged in the small flue along the long direction, and the purpose of adjusting the gas flow distribution of a corresponding regenerator is realized by changing the sectional area of a small flue gas flow channel and adjusting the gas flow resistance and the flow speed of the corresponding part, so that the uniformity of the gas flow distribution of the regenerator can be improved.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a coke oven small flue gas flow adjusting device comprises a plurality of vertical adjusting curtains which are arranged at intervals along the length direction of a small flue; the vertical adjusting curtain consists of an upper scroll, a lower scroll, a side pull rope, an adjusting curtain and a lower scroll driving device; the upper scroll is arranged at the top of the small flue, and the lower scroll is arranged at the top of the coke oven basement below the small flue; 2 side pull ropes are arranged in parallel, the upper ends of the side pull ropes are wound on an upper reel, and the lower ends of the side pull ropes are wound on a lower reel after penetrating through the bottom of the small flue; the lower scroll is provided with a lower scroll driving device; 2, a section of adjusting screen is arranged between the side pull ropes, and the unfolding height of the adjusting screen is adapted to the height of the small flue; under the drive of the lower scroll driving device, the lower scroll drives the upper scroll to synchronously rotate, and the adjusting curtain is unfolded or wound on the upper scroll in the small flue along the vertical direction.
The lower scroll driving device is a crank or a stepping motor.
The upper scroll is provided with a return spring, and the lower scroll is provided with a locking mechanism.
The reset spring is a torsion spring.
The locking mechanism is a ratchet locking mechanism or a locking pin.
The adjusting screen is a soft curtain type adjusting screen or a shutter type adjusting screen and is made of heat-resistant materials.
The side pull rope is a heat-resistant steel rope.
The small flue is a single-side small flue or a double-side small flue.
The top of the small flue is provided with a grate brick, the grate brick is provided with a hole, and the vertical adjusting screen and the hole on the grate brick are arranged in a staggered mode.
Compared with the prior art, the utility model has the beneficial effects that:
1) a plurality of vertical adjusting curtains are arranged in the small flue along the length direction, and the airflow resistance and the flow speed of the corresponding part are adjusted by changing the sectional area of the small flue gas flow channel, so that the purpose of adjusting the airflow distribution of the corresponding regenerator is realized, and the uniformity of the airflow distribution of the regenerator can be improved.
2) Compared with the existing adjusting mode, the operation is simpler and more reliable.
Drawings
FIG. 1 is a schematic view of a small flue gas flow regulating device of a coke oven.
Fig. 2 is a view a-a in fig. 1.
FIG. 3 is a side view of the vertically adjustable screen of the present invention.
In the figure: 1. small flue 11, small flue side wall 2, vertical adjusting screen 21, upper scroll 22, lower scroll 23, side pull rope 24, adjusting screen 25, crank handle 3, grate brick
Detailed Description
The following further describes embodiments of the present invention with reference to the accompanying drawings:
as shown in figure 1, the small flue gas flow adjusting device of the coke oven comprises a plurality of vertical adjusting screens 2 which are arranged along the length direction of a small flue 1 at intervals; the vertical adjusting screen 2 consists of an upper scroll 21, a lower scroll 22, a side pull rope 23, an adjusting screen 24 and a lower scroll driving device; the upper scroll 21 is arranged at the top of the small flue 1, and the lower scroll 22 is arranged at the top of the coke oven basement below the small flue 1; 2 side pull ropes 23 are arranged in parallel, the upper ends of the side pull ropes 23 are wound on the upper reel 21, and the lower ends of the side pull ropes 23 pass through the bottom of the small flue 1 and are wound on the lower reel 22; the lower reel 22 is provided with a lower reel driving device; a section of adjusting screen 24 is arranged between the 2 side pull ropes 23, and the unfolding height of the adjusting screen 24 is adapted to the height of the small flue 1; driven by the lower scroll driving device, the lower scroll 22 drives the upper scroll 21 to synchronously rotate, and the adjusting screen 24 is unfolded in the vertical direction in the small flue 1 or wound on the upper scroll 21.
The lower scroll driving device is a hand crank 25 or a stepping motor.
The upper reel 21 is provided with a return spring, and the lower reel 22 is provided with a locking mechanism.
The reset spring is a torsion spring.
The locking mechanism is a ratchet locking mechanism or a locking pin.
The adjusting screen 24 is a soft curtain type adjusting screen or a louvered type adjusting screen and is made of heat-resistant materials.
The side draw ropes 23 are heat-resistant steel ropes.
The small flue 1 is a single-side small flue or a double-side small flue.
The top of the small flue 1 is provided with a grate brick 3, the grate brick 3 is provided with a hole, and the vertical adjusting screen 2 and the perforated position on the grate brick 3 are arranged in a staggered way.
The following examples are carried out on the premise of the technical scheme of the utility model, and detailed embodiments and specific operation processes are given, but the scope of the utility model is not limited to the following examples.
[ examples ] A method for producing a compound
As shown in figures 1-3, in the embodiment, the small flue gas flow adjusting device for the coke oven consists of a plurality of vertical adjusting screens 2 which are arranged along the length direction of a small flue 1 at intervals of 1.5 m.
The vertical adjusting screen 2 consists of an upper scroll 21, a lower scroll 22, a side pull rope 23, an adjusting screen 24 and a hand crank 25; the upper scroll 21 is horizontally arranged at the top of the small flue 1, and the lower scroll 22 is horizontally arranged at the top of the basement of the coke oven; 2 side pull ropes 23 are arranged in parallel, the upper ends of the side pull ropes 23 are wound on the upper reel 21, and the lower ends of the side pull ropes 23 pass through the bottom of the small flue 1 and are wound on the lower reel 22; a hand crank 25 is arranged on the lower scroll 22; a section of adjusting screen 24 is arranged between the 2 side pull ropes 23.
In this embodiment, the screen 24 is made of a plurality of heat-resistant steel plates, the side pull rope 23 is made of a heat-resistant steel rope, and the upper and lower reels 21, 22 are also made of a heat-resistant steel material.
In the embodiment, the coke oven is provided with small flues on two sides, the top of the small flue 1 is provided with a grate brick 3, the grate brick 3 is provided with a hole, and the installation position of the vertical adjusting screen 2 is staggered with the hole on the grate brick 3.
The two ends of the upper scroll 21 extend into the reserved holes in the side wall 11 of the small flue respectively, a torsion spring is arranged between each reserved hole and the upper scroll 21, the two ends of the lower scroll 22 are fixedly connected with the top of the coke oven basement through a support frame, and a ratchet locking mechanism is arranged between the lower scroll 22 and the top wall of the coke oven basement.
When the coke oven is normally produced, when the airflow of a certain part of the length direction of the regenerator needs to be adjusted, an operator enters the basement of the coke oven, shakes the hand crank 25 of the vertical adjusting screen 2 of the corresponding part, drives the upper scroll 21 to synchronously rotate through the lower scroll 22, and enables the adjusting screen 24 to be unfolded in the small flue 1 along the vertical direction or wound on the upper scroll 21, so that the sectional area of the airflow channel of the small flue 1 of the corresponding part is changed, the airflow resistance and the flow speed are changed, and the purpose of improving the airflow distribution uniformity of the regenerator is finally realized.
The adjusting screen 24 is wound on the upper reel 21 in an initial state; after being adjusted in place, the lower reel 22 is locked and positioned by a ratchet locking mechanism (prior art); after the hand crank 25 is rotated in the opposite direction, the adjusting screen 24 can be folded back onto the upper winding shaft 21 by the restoring action of the torsion spring.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (9)
1. A coke oven small flue gas flow adjusting device is characterized by comprising a plurality of vertical adjusting screens which are arranged along the length direction of a small flue at intervals; the vertical adjusting curtain consists of an upper scroll, a lower scroll, a side pull rope, an adjusting curtain and a lower scroll driving device; the upper scroll is arranged at the top of the small flue, and the lower scroll is arranged at the top of the coke oven basement below the small flue; 2 side pull ropes are arranged in parallel, the upper ends of the side pull ropes are wound on an upper reel, and the lower ends of the side pull ropes are wound on a lower reel after penetrating through the bottom of the small flue; the lower scroll is provided with a lower scroll driving device; 2, a section of adjusting screen is arranged between the side pull ropes, and the unfolding height of the adjusting screen is adapted to the height of the small flue; under the drive of the lower scroll driving device, the lower scroll drives the upper scroll to synchronously rotate, and the adjusting curtain is unfolded or wound on the upper scroll in the small flue along the vertical direction.
2. The small flue gas flow regulating device of the coke oven as claimed in claim 1, wherein the lower reel driving device is a hand crank or a stepping motor.
3. The small flue gas flow regulating device of the coke oven as claimed in claim 1, wherein the upper reel is provided with a return spring, and the lower reel is provided with a locking mechanism.
4. The coke oven small flue gas flow regulating device as claimed in claim 3, wherein the return spring is a torsion spring.
5. The coke oven small flue gas flow regulating device of claim 3, wherein the locking mechanism is a ratchet locking mechanism or a locking pin.
6. The coke oven small flue gas flow adjusting device of claim 1, wherein the adjusting screen is a soft curtain type adjusting screen or a louvered adjusting screen, and is made of heat-resistant material.
7. The coke oven small flue gas flow adjusting device of claim 1, wherein the side draw cord is a heat resistant steel cord.
8. The coke oven small flue gas flow adjusting device of claim 1, wherein the small flue is a single-sided small flue or a double-sided small flue.
9. The small flue gas flow adjusting device of the coke oven as claimed in claim 1 or 8, wherein the top of the small flue is provided with grate bricks, holes are formed on the grate bricks, and the vertical adjusting screens and the holes on the grate bricks are arranged in a staggered manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122170798.2U CN216106764U (en) | 2021-09-09 | 2021-09-09 | Small flue gas flow adjusting device of coke oven |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122170798.2U CN216106764U (en) | 2021-09-09 | 2021-09-09 | Small flue gas flow adjusting device of coke oven |
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| Publication Number | Publication Date |
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| CN216106764U true CN216106764U (en) | 2022-03-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122170798.2U Active CN216106764U (en) | 2021-09-09 | 2021-09-09 | Small flue gas flow adjusting device of coke oven |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113736485A (en) * | 2021-09-09 | 2021-12-03 | 中冶焦耐(大连)工程技术有限公司 | Small flue gas flow adjusting device of coke oven |
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2021
- 2021-09-09 CN CN202122170798.2U patent/CN216106764U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113736485A (en) * | 2021-09-09 | 2021-12-03 | 中冶焦耐(大连)工程技术有限公司 | Small flue gas flow adjusting device of coke oven |
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