CN212800231U - High-strength heat-intercepting brick for heat recovery coke oven ascending pipe base and base combined brick - Google Patents
High-strength heat-intercepting brick for heat recovery coke oven ascending pipe base and base combined brick Download PDFInfo
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- CN212800231U CN212800231U CN202021396179.4U CN202021396179U CN212800231U CN 212800231 U CN212800231 U CN 212800231U CN 202021396179 U CN202021396179 U CN 202021396179U CN 212800231 U CN212800231 U CN 212800231U
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Abstract
The utility model discloses a high-strength heat-intercepting brick and a base combined brick for a heat recovery coke oven riser base, wherein a first high-strength heat-intercepting brick and a second high-strength heat-intercepting brick can be directly combined and installed at the position of a gas collecting pipe base for use through an assembly outer wall provided with a boss structure, so that collapse and damage of the riser caused by poor heat insulation performance brought by small brick building and impact and the like of hot air flow on weak building gaps are thoroughly avoided; the integrally formed large bricks replace small bricks for building, so that the construction process is simplified, and the reduction of the service performance caused by improper construction operation is reduced. The combination of the bent curved surfaces designed on the inner walls of the first high-strength heat-intercepting brick and the second high-strength heat-intercepting brick channels enables high-temperature flue gas to rise gently, high-heat eddy current formed at the joint of the vertical surface and the bent surface is avoided, erosion impact damage to the joint is reduced, the service life of the ascending pipe is prolonged, and the production efficiency of the coke oven is improved.
Description
Technical Field
The utility model belongs to the technical field of refractory material, concretely relates to heat recovery coke oven tedge base height cuts hot brick and base combination brick by force.
Background
The gas collecting system of the heat recovery coke oven mainly comprises an ascending pipe, a gas collecting pipe and a gas collecting main pipe. The ascending pipe is mainly used for connecting an ascending flue and a gas collecting pipe on the main wall of a coke oven carbonization chamber so as to send high-temperature waste gas completely combusted in the coke oven combustion chamber into the gas collecting pipe, thereby effectively utilizing the waste heat of the high-temperature waste gas to generate power.
In the prior art, the ascending pipe comprises vertical pipe walls positioned on two sides and a rectangular pipeline formed by a pipe top and a pipe bottom, and the vertical pipe walls, the pipe top and the pipe bottom are all built by corresponding small refractory and heat-insulating bricks. However, because the riser is located at the joint of the riser flue and the gas collecting pipe of the wall body of the carbonization chamber, the impact action of flame and smoke on the wall of the riser is strong, the bonding force between the masonry bricks of the small brick straight seam masonry structure is insufficient, and the wall of the riser is easy to form gaps among the bricks under the impact action of hot gas flow to cause the leakage of the hot gas flow, which is not only beneficial to heat collection and energy conservation, but also can cause the collapse and damage of the wall of the riser.
Disclosure of Invention
Based on the technical problem, the utility model provides an integrated into one piece's heat recovery coke oven tedge base is with high strength heat blocking brick and base combination brick.
For the convenience of understanding and describing the present invention, the above, below, left, right, front and back are all based on the usage status shown in the drawings of the present invention.
The utility model provides a heat recovery coke oven tedge base is with first high strength heat-blocking brick, based on the position of first high strength heat-blocking brick is to the requirement of the bearing capacity of brick body itself and high velocity air flow mild, high-efficient conveying capacity, the inner wall of first high strength heat-blocking brick includes two vertical sides, first water conservancy diversion side and second water conservancy diversion side, first water conservancy diversion side is first water conservancy diversion vertical plane and first water conservancy diversion plane of buckling from top to bottom in proper order, second water conservancy diversion side is second water conservancy diversion vertical plane and second water conservancy diversion plane of buckling from bottom to top in proper order;
and the outer wall corresponding to the second flow guide side surface is used as a first assembly outer wall, the section of the first assembly outer wall is L-shaped, and the protrusion is a first boss.
According to the first high-strength heat-insulation brick for the heat recovery coke oven ascension pipe base, the first flow guide bent surface is a straight surface, the second flow guide bent surface comprises a first curved surface, a connecting straight surface and a second curved surface which are sequentially connected in a tangent mode, the first curved surface is tangent to the second flow guide vertical surface, and the second curved surface is tangent to the upper surface of the first high-strength heat-insulation brick, so that high-speed airflow can be enabled to pass through a channel in a moderate mode, the vertical surface and the bent surface can be enabled to transition in a moderate mode, and impact of the high-speed airflow on the connecting position of the vertical surface and the bent surface is reduced.
Heat recovery coke oven tedge base with first high strength cut hot brick, in order to balance tedge to the water conservancy diversion effect of high temperature flue gas, high temperature flue gas to the tedge pipe wall, the impact erosion force of face and the vertical face junction of buckling and the structural stability of tedge pipe wall, the face is buckled to first water conservancy diversion and the angle of inclination of connecting the face of straightening is 60-70.
The method is characterized in that the influence of the radius of the curved surface on the flow resistance of the flue gas, the impact force on the inner wall of the ascending pipe, the conveying resistance towards the gas collecting pipe and the structural stability of the pipe wall of the ascending pipe is further limited, the radius of the first curved surface is 1-1.1m, and the radius of the second curved surface is 0.18-0.25 m.
Further limiting, the boss surface of the first boss is rectangular, namely the upper surface and the lower surface of the boss are parallel to the bottom surface of the first high-strength heat-cutting brick, so that the cooperation construction of the first boss and the second high-strength heat-cutting brick can be guaranteed in the using process, the mutual bearing effect is well completed, and the first boss and the second boss do not slide relatively.
Further defined, the first boss is disposed at the first fitting outer wall upper portion 1/2.
According to the actual flue gas flow path in the ascending pipe and the requirement of the ascending pipe base for bearing capacity and flue gas diversion, the utility model also designs and provides a second high-strength heat-intercepting brick for the ascending pipe base of the heat recovery coke oven, wherein the inner wall of the second high-strength heat-intercepting brick is provided with four inner side surfaces, the inner side surfaces comprise three vertical surfaces and a third flow-guiding side surface, and the third flow-guiding side surface is a third flow-guiding vertical surface and a third flow-guiding bending surface from bottom to top in sequence;
and the outer wall corresponding to the third flow guide side surface is used as a second assembly outer wall, the section of the second assembly outer wall is L-shaped, and a second boss is arranged at the bulge.
Further inject, in order to reduce the flow resistance of flue gas in the base passageway, reduce impact and erosion to base inner wall and vertical face and the side junction of buckling, heat recovery coke oven tedge base for the second heat brick that blocks that excels in, institute the third water conservancy diversion face of buckling be the curved surface, and with the upper surface of the vertical face of third water conservancy diversion and the second heat brick that blocks that excels in is tangent.
Heat recovery coke oven tedge base second excel in and cut hot brick, the radius of the face of buckling of third water conservancy diversion is 0.18-0.25m, for better actual combination result of use, further inject, the radius of the face of buckling of third water conservancy diversion with the radius of second curved surface is the same.
Heat recovery coke oven tedge base with high strength heat-insulating brick, the boss face of second boss is the rectangle, boss upper and lower surface promptly with the second is excelled in and is cut heat-insulating brick bottom surface parallel, can guarantee in the use, with following first excel in and cut heat-insulating brick cooperation construction, accomplish the bearing effect each other well, do not slide relatively.
Further limit, the utility model discloses a heat recovery coke oven tedge base with second excel in and cut hot brick, the second boss sets up second assembly outer wall lower part 1/2 department.
Based on the design of the first high-strength heat-intercepting brick and the second high-strength heat-intercepting brick, the utility model provides a heat recovery coke oven ascending pipe base combined brick, which comprises the first high-strength heat-intercepting brick and the second high-strength heat-intercepting brick, wherein a first assembly outer wall of the first high-strength heat-intercepting brick is tightly matched with a second assembly side outer wall of the second high-strength heat-intercepting brick, and a first boss and a second boss form a clamping connection, so that the use effect that the two high-strength heat-intercepting bricks bear radial pressure mutually can be achieved, the radial displacement of a brick body is prevented from being expanded by heating, and the stable operation of the ascending pipe is favorably maintained; more importantly, the sealing performance of the base combined brick can be improved, smoke is prevented from flowing along a combined seam in the ascending flow process, high-temperature corrosion and impact of high-temperature smoke on the wall of an assembly position are reduced, the use stability of the base combined brick is improved, and the service life is prolonged.
The utility model has the advantages that:
the first high-strength heat-insulation brick and the second high-strength heat-insulation brick for the heat recovery coke oven riser base can be directly assembled and installed on the gas collecting pipe base for use, so that collapse and damage of the riser caused by poor heat insulation performance brought by small brick masonry and impact of hot air flow on weak and relieved masonry gaps are thoroughly avoided; the integrally formed large bricks replace small bricks for building, so that the construction process is simplified, and the reduction of the service performance caused by improper construction operation is reduced.
The combination of the bent curved surfaces designed on the inner walls of the first high-strength heat-intercepting brick and the second high-strength heat-intercepting brick channels enables high-temperature flue gas to rise gently, high-heat eddy current formed at the joint of the vertical surface and the bent surface is avoided, erosion impact damage to the joint is reduced, the service life of the ascending pipe is prolonged, and the production efficiency of the coke oven is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic front sectional view of a first high-strength heat-intercepting brick of the present invention;
fig. 2 is a schematic front sectional view of a second high-strength heat-intercepting brick of the present invention;
fig. 3 is a schematic front sectional view of the base assembly brick of the present invention.
In the figure 1, a first high-strength heat-intercepting brick; 11. a first flow guide side surface; 111. a first flow guide vertical surface; 112. a first flow guiding bending surface; 12. a second flow guide side surface; 121. a second flow guide vertical surface; 122. a second flow guiding bending surface; 1221. a first curved surface; 1222. connecting the straight surfaces; 1223. a second curved surface; 13. a first fitting outer wall; 131. a first boss;
2. a second high-strength heat-intercepting brick; 21. a third flow guide side surface; 211. a third flow guide vertical surface; 212. a third flow guiding bending surface; 22. a second fitting outer wall; 221. a second boss.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Example 1
As shown in fig. 1, the utility model provides a heat recovery coke oven ascension pipe base is with first high strength heat-blocking brick 1, the inner wall of first high strength heat-blocking brick 1 includes two vertical sides, first water conservancy diversion side 11 and second water conservancy diversion side 12, first water conservancy diversion side 11 is first water conservancy diversion vertical plane 111 and first water conservancy diversion plane of buckling 112 from top to bottom in proper order, second water conservancy diversion side 12 is second water conservancy diversion vertical plane 121 and second water conservancy diversion plane of buckling 122 from bottom to top in proper order;
the outer wall corresponding to the second flow guide side surface 12 is used as a first assembly outer wall 13, the cross section of the first assembly outer wall 13 is in an 'L' shape, and a first boss 131 is arranged at the protruding part.
Example 2
On the basis of embodiment 1, the first flow guiding bending surface 112 is defined as a straight surface, and the second flow guiding bending surface 122 comprises a first curved surface 1221, a connecting straight surface 1222 and a second curved surface 1223 which are sequentially connected in a tangent mode, wherein the first curved surface 1221 is tangent to the second flow guiding vertical surface 121, and the second curved surface 1223 is tangent to the upper surface of the first high-strength heat-cutting brick 1.
Example 3
On the basis of the embodiment 2, the inclination angle of the first diversion bent surface 112 and the connecting straight surface 1222 is limited to 60-70 degrees, and the specific design angle can be adjusted in the above interval according to the scale of the coke oven, the flue gas flow rate and direction during the operation of the ascending pipe and the like.
Example 4
On the basis of the embodiment 2, the radius R1 defining the first curved surface 1221 is 1-1.1m, the radius R2 defining the second curved surface 1223 is 0.18-0.25m, and the specific radius value is adjusted within the above interval according to the inclination angle of the straight connecting surface 1222, the smoke flowing direction, and the like.
Example 5
On the basis of any of embodiments 1 to 4, the boss surface defining the first boss 131 is rectangular, and further, according to the actual load bearing effect, the first boss 131 is disposed at the upper part 1/2 of the first fitting outer wall 13, and the height H1 of the first boss 131 is 1/2 of the height of the first fitting outer wall 13.
Example 6
The embodiment provides a second high-strength heat-insulating brick 2 for a heat recovery coke oven ascension pipe base, which is used in combination with the first high-strength heat-insulating brick 1 of any one of embodiments 1 to 5, wherein the brick is internally provided with four inner side surfaces, the four inner side surfaces comprise three vertical surfaces and a third flow guide side surface 21, and the third flow guide side surface 21 is a third flow guide vertical surface 211 and a third flow guide bent surface 212 in sequence from bottom to top;
the outer wall corresponding to the third flow guide side surface 21 is used as a second assembling outer wall 22, the cross section of the second assembling outer wall 22 is in an 'L' shape, and a second boss 221 is arranged at the protruding part.
Example 7
On the basis of embodiment 6, the third diversion bending surface 212 is a curved surface, and is tangent to the third diversion vertical surface 211 and the upper surface of the second high-strength heat-intercepting brick 2.
Example 8
Based on the embodiment 7, the radius R3 of the third diversion bending surface 212 is defined to be 0.18-0.25m, and in order to achieve good matching use effect, the second high-strength heat-cutting brick is further defined
The radius of the bent side face of the second high-strength heat-insulation brick 2 is the same as that of the second curved surface 1223 of the first high-strength heat-insulation brick 1.
Example 9
On the basis of any one of embodiments 6 to 8, the boss surface defining the second boss 221 is rectangular, the second boss 221 is arranged at the lower part 1/2 of the second mounting outer wall 22, and the height H2 of the second boss 221 is 1/2 of the height of the second high-strength heat-intercepting brick 2.
Example 10
The embodiment provides a base combined brick formed by combining a first high-strength heat-blocking brick 1 in any one of embodiments 1 to 5 and a second high-strength heat-blocking brick 2 in any one of embodiments 6 to 9, wherein a first assembling outer wall 13 of the first high-strength heat-blocking brick 1 is tightly matched with a second assembling outer wall 22 of the second high-strength heat-blocking brick 2, and a first boss 131 and a second boss 221 form clamping connection.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A first high-strength heat-insulating brick for a heat recovery coke oven ascension pipe base is characterized in that the inner wall of the first high-strength heat-insulating brick comprises two vertical side surfaces, a first flow guide side surface and a second flow guide side surface, wherein the first flow guide side surface is a first flow guide vertical surface and a first flow guide bending surface from top to bottom in sequence, and the second flow guide side surface is a second flow guide vertical surface and a second flow guide bending surface from bottom to top in sequence; and the outer wall corresponding to the second flow guide side surface is used as a first assembly outer wall, the section of the first assembly outer wall is L-shaped, and the protrusion is a first boss.
2. The first high-strength heat-intercepting brick for the heat recovery coke oven ascension pipe base of claim 1, wherein the first flow-guiding bent surface is a straight surface, the second flow-guiding bent surface comprises a first curved surface, a connecting straight surface and a second curved surface which are sequentially connected in a tangent manner, the first curved surface is tangent to the second flow-guiding vertical surface, and the second curved surface is tangent to the upper surface of the first high-strength heat-intercepting brick.
3. The first high-strength heat-intercepting brick for the ascending pipe base of the heat recovery coke oven according to claim 2, wherein the first flow-guiding bent surface and the connecting straight surface have an inclination angle of 60 to 70 °.
4. The first high-strength heat-interception brick for the pedestal of the ascension pipe of a heat recovery coke oven according to claim 2, wherein the radius of the first curved surface is 1 to 1.1m, and the radius of the second curved surface is 0.18 to 0.25 m.
5. The first high-strength heat-blocking brick for the riser base of the heat recovery coke oven of claim 1, wherein the boss face of the first boss is rectangular.
6. A second high-strength heat-insulating brick for a heat recovery coke oven ascension pipe base is characterized in that the inner wall of the second high-strength heat-insulating brick is provided with four inner side surfaces, wherein the inner side surfaces comprise three vertical surfaces and a third flow guide side surface, and the third flow guide side surface is a third flow guide vertical surface and a third flow guide bending surface from bottom to top in sequence; and the outer wall corresponding to the third flow guide side surface is used as a second assembly outer wall, the section of the second assembly outer wall is L-shaped, and a second boss is arranged at the bulge.
7. The second high-strength heat-intercepting brick for the ascending pipe base of the heat recovery coke oven according to claim 6, wherein the third diversion bent surface is a curved surface and is tangent to the third diversion vertical surface and the upper surface of the second high-strength heat-intercepting brick.
8. The second high-strength heat-intercepting brick for the ascending pipe base of the heat recovery coke oven according to claim 7, wherein the radius of the third diversion bent surface is 0.18 to 0.25 m.
9. The second high-strength heat-interception brick for the ascending pipe base of the heat recovery coke oven according to claim 6, characterized in that the boss surface of the second boss is rectangular.
10. The heat recovery coke oven ascension pipe base combined brick is characterized by comprising a first high-strength heat-intercepting brick of any one of claims 1 to 5 and a second high-strength heat-intercepting brick of any one of claims 6 to 9, wherein a first assembling outer wall of the first high-strength heat-intercepting brick is tightly matched with a second assembling side outer wall of the second high-strength heat-intercepting brick, and a first boss and a second boss form clamping connection.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021396179.4U CN212800231U (en) | 2020-07-16 | 2020-07-16 | High-strength heat-intercepting brick for heat recovery coke oven ascending pipe base and base combined brick |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021396179.4U CN212800231U (en) | 2020-07-16 | 2020-07-16 | High-strength heat-intercepting brick for heat recovery coke oven ascending pipe base and base combined brick |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112358287A (en) * | 2020-11-10 | 2021-02-12 | 宜兴市丁山耐火器材有限公司 | One-step formed glaze-fired integral ascending pipe and preparation method thereof |
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2020
- 2020-07-16 CN CN202021396179.4U patent/CN212800231U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112358287A (en) * | 2020-11-10 | 2021-02-12 | 宜兴市丁山耐火器材有限公司 | One-step formed glaze-fired integral ascending pipe and preparation method thereof |
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