CN220317687U - Novel dry quenching furnace chute roof-passing structure - Google Patents
Novel dry quenching furnace chute roof-passing structure Download PDFInfo
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- CN220317687U CN220317687U CN202321887226.9U CN202321887226U CN220317687U CN 220317687 U CN220317687 U CN 220317687U CN 202321887226 U CN202321887226 U CN 202321887226U CN 220317687 U CN220317687 U CN 220317687U
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- brick body
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- side wall
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- 238000010791 quenching Methods 0.000 title claims abstract description 21
- 230000000171 quenching effect Effects 0.000 title claims abstract description 21
- 239000011449 brick Substances 0.000 claims abstract description 107
- 210000001503 joint Anatomy 0.000 claims abstract description 14
- 230000013011 mating Effects 0.000 claims description 9
- 230000000979 retarding effect Effects 0.000 claims description 9
- 230000000295 complement effect Effects 0.000 claims description 6
- 238000010276 construction Methods 0.000 abstract description 10
- 238000005192 partition Methods 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 239000000571 coke Substances 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- 238000003825 pressing Methods 0.000 abstract description 2
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 238000009991 scouring Methods 0.000 description 1
Landscapes
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
Abstract
The utility model belongs to the technical field of dry quenching furnace masonry structures, and particularly provides a novel dry quenching furnace chute overhead structure which comprises a first brick body, a second brick body and a third brick body, wherein the left side wall and the right side wall of an arc-shaped masonry body are in butt joint with the side wall of the second brick body, a plurality of arc-shaped masonry bodies and the second brick body are alternately masonry-connected to form a circular ring, the rear side wall of a rear supporting masonry body is in butt joint with the front side wall of the third brick body, and the third brick body plays a supporting role on the first brick body from the rear side. The overhead structure can effectively improve the stability of the ring beam, is not easy to cause the phenomenon that the traditional small bricks fall off and collapse when being overhead, and is matched with the stubble pressing of the partition wall, the forces generated by the annular air duct and coke blanking are uniformly distributed on the bracket, the bracket is protected, and the service life of the chute area is prolonged; the arch-free tire is built through the roof structure, so that uneven structural stress caused by building errors is reduced; the construction process is simplified, the construction time is shortened, and the overhead structure is beneficial to maintenance.
Description
Technical Field
The utility model belongs to the technical field of dry quenching furnace masonry structures, and particularly provides a novel dry quenching furnace chute overhead structure.
Background
The dry quenching furnace is of a cylindrical shaft kiln structure and is divided into a pre-storing area, an annular air duct area, an inclined duct area and a cooling area from top to bottom. The circulating cooling air flow channel in the chute area is of a cantilever partition wall structure (also called bracket). The overhead spans the cantilever partition wall and supports the upper annular air duct.
Referring to fig. 9, the conventional chute roof-passing structure is formed by laying small bricks, joints are formed among the small bricks, and because filling materials in the joints are different from brick materials, the degree of expansion change is different when the bricks are heated, each time the brick is subjected to thermal deformation, small-amplitude relative displacement can be caused to the brick, the integral roof-passing structure can be deformed due to continuous accumulation of displacement, the roof and corbels are impacted by coke impact, air flow scouring, and the temperature fluctuation of the place is large, and the like, broken bricks can be generated, and collapse is easy to occur when the brick is operated for a long time;
considering that the small brick masonry flow is complicated, the masonry flow is longer, and errors in the masonry process can be accumulated due to more masonry steps, so that the problem of uneven stress is finally caused.
Disclosure of Invention
In order to achieve the above purpose, the utility model adopts the following technical scheme: a novel dry quenching furnace chute top-passing structure comprises a first brick body, a second brick body and a third brick body;
the first brick body consists of an arc-shaped masonry body and a rear support masonry body, wherein the arc-shaped masonry body is of an arc-shaped columnar structure with an inverted trapezoid radial section, the rear support masonry body is of a trapezoid columnar structure with a trapezoid horizontal section, the rear support masonry body is in butt joint with the outer side wall of the arc-shaped masonry body, and the rear support masonry body and the outer side wall of the arc-shaped masonry body are integrally formed in a masonry mode;
the second brick body is of an arc-shaped columnar structure with an inverted trapezoid radial section, and the radian of the second brick body is matched with that of the arc-shaped masonry;
the third brick body is of a trapezoid columnar structure with a trapezoid horizontal section, and the slopes of the two side walls of the third brick body are matched with the slopes of the rear supporting masonry;
the left and right side walls of the arc brickwork are in butt joint with the side wall of the second brick body, a plurality of arc brickworks are connected with the second brick body in turn by laying bricks or stones and can constitute the ring, the back lateral wall of back support brickwork is in butt joint with the preceding lateral wall of the third brick body, and the third brick body plays the supporting role to the first brick body from the rear side.
Further, the left and right side walls of the arc-shaped masonry of the first brick body are first side matching surfaces, the first side matching surfaces are inclined surfaces, the inclination angle of the inclined surfaces is beta, the left and right side walls of the second brick body are second side matching surfaces, the second side matching surfaces are inclined surfaces, and the inclination angles of the inclined surfaces are alpha, alpha and beta are complementary.
Further, the rear side wall of the rear supporting masonry of the first brick body is a first rear matching surface, the front side wall of the third brick body is a third rear matching surface, the first rear matching surface and the third rear matching surface are inclined surfaces, the inclined angle of the inclined surface of the third rear matching surface is gamma, and the inclined angle of the inclined surface of the first rear matching surface is complementary with gamma.
Further, the upper and lower sides of the first back matching surface are vertically provided with first retarding surfaces, and the upper and lower sides of the third back matching surface are vertically provided with third retarding surfaces.
Further, the first side matching surface is an upward inclined surface, and the second side matching surface is a downward inclined surface.
The beneficial effects of using the utility model are as follows:
the overhead structure can effectively improve the stability of the ring beam, is not easy to cause the phenomenon that the traditional small bricks fall off and collapse when being overhead, and is matched with the stubble pressing of the partition wall, the forces generated by the annular air duct and coke blanking are uniformly distributed on the bracket, the bracket is protected, and the service life of the chute area is prolonged;
the arch-free tire is built through the roof structure, so that uneven structural stress caused by building errors is reduced;
the bricking body is used for bricking, so that brickwork joints can be reduced, and arch deformation caused by the difference of thermal expansion coefficients of materials is avoided;
the construction process is simplified, the construction time is shortened, the overhead structure is beneficial to maintenance, the suspended ceiling construction of the bracket is convenient to replace independently, and the construction time of dry quenching furnace construction and maintenance is reduced.
Drawings
FIG. 1 is a side wall structure diagram of a novel dry quenching furnace;
FIG. 2 is a schematic view of a chute overhead structure according to the present utility model;
FIG. 3 is a schematic view of the structure of a first brick of the present utility model;
FIG. 4 is a schematic view of another construction of a first brick of the present utility model;
FIG. 5 is a schematic view of the construction of a second brick of the present utility model;
FIG. 6 is a schematic view of the construction of a third brick of the present utility model;
FIG. 7 is an inner wall view of the novel dry quenching furnace;
FIG. 8 is a schematic view of the inclination angle of the mating surface of the third brick of the present utility model;
fig. 9 is a schematic diagram of a dry quenching furnace chute overhead structure of a small brick masonry in the prior art;
the reference numerals include: 1-a first brick body; 101-a first side mating surface; 102-a first rear mating face; 103-a first blocking surface; 2-a second brick body; 201-a second side mating surface; 3-a third brick body; 301-a third rear mating face; 302-third retarding surface.
Detailed Description
The present utility model will be described in detail below with reference to the accompanying drawings.
Referring to fig. 1 to 8, a novel dry quenching furnace chute overhead structure comprises a first brick body 1, a second brick body 2 and a third brick body 3;
the first brick body 1 is composed of an arc-shaped masonry and a rear support masonry, wherein the arc-shaped masonry is of an arc-shaped columnar structure with an inverted trapezoid radial section, the rear support masonry is of a trapezoid columnar structure with a trapezoid horizontal section, the rear support masonry is in butt joint with the outer side wall of the arc-shaped masonry, and the rear support masonry and the arc-shaped masonry are integrally formed in a masonry mode;
the second brick body 2 is of an arc columnar structure with an inverted trapezoid radial section, and the radian of the second brick body 2 is matched with that of the arc masonry;
the third brick body 3 is of a trapezoid columnar structure with a trapezoid horizontal section, and the slopes of the two side walls of the third brick body 3 are matched with the slopes of the rear supporting masonry;
the left side wall and the right side wall of the arc-shaped brickwork are in butt joint with the side wall of the second brick body 2, a plurality of arc-shaped brickworks are alternately connected with the second brick body 2 in a brickwork manner to form a circular ring, the rear side wall of the rear supporting brickwork is in butt joint with the front side wall of the third brick body 3, and the third brick body 3 plays a supporting role on the first brick body 1 from the rear side;
the left and right side walls of the arc-shaped brickwork of the first brick body 1 are first side matching surfaces 101, the first side matching surfaces 101 are inclined surfaces, the inclination angle of the inclined surfaces is beta, the left and right side walls of the second brick body 2 are second side matching surfaces 201, the second side matching surfaces 201 are inclined surfaces, and the inclination angles of the inclined surfaces are alpha, alpha and beta are complementary;
preferably, the first side matching surface 101 is an upward inclined surface, the second side matching surface 201 is a downward inclined surface, after the masonry is completed, the first brick body 1 can have a lifting effect on the second brick body 2, and the first brick body 1 and the second brick body 2 are matched with other building blocks on the upper side and partition walls at the bottom of the first brick body and the second brick body, so that a self-locking effect can be generated between a plurality of continuous first brick bodies 1 and the second brick body 2, and the stability of a wall body is improved.
The rear side wall of the rear supporting masonry of the first brick body 1 is a first rear matching surface 102, the front side wall of the third brick body 3 is a third rear matching surface 301, the first rear matching surface 102 and the third rear matching surface 301 are inclined surfaces, the inclined angle of the inclined surface of the third rear matching surface 301 is gamma, and the inclined angle of the inclined surface of the first rear matching surface 102 is complementary with the gamma;
the inclined surface structure can achieve the same effect as the first side matching surface 101 and the second side matching surface 201, and stability of the supporting structure is improved.
Specifically, on the premise of keeping the complementary relation, the inclination angle of each inclined plane is 60-80 degrees, and the angle beta is 100-120 degrees.
The upper side and the lower side of the first rear matching surface 102 are vertically provided with a first retarding surface 103, and the upper side and the lower side of the third rear matching surface 301 are vertically provided with a third retarding surface 302;
after the perpendicular retarding surface butt, can play firm effect to the connection of first back mating surface 102 and the cooperation surface 301 behind the third, the brick body is heated and is extruded each other with the third brick body 3 behind the expansion first brick body 1, and the circumstances that the dislocation takes place to slide for the first back mating surface 102 and the cooperation surface 301 behind the third that probably lead to all being the inclined plane, and the design of retarding surface can be good avoids this dislocation to skid the circumstances to appear.
Preferably, the number of the first brick bodies 1, the second brick bodies 2 and the third brick bodies 3 used in the dry quenching furnace chute overhead structure is the same, and the number is set as n;
the specific value of n is the number of corbels used by the dry quenching furnace, and the specific sizes of the first brick body 1, the second brick body 2 and the third brick body 3 can be calculated according to the number of corbels adopted in the design process and the diameter of the furnace body;
taking a dry quenching furnace with an inner diameter of 10m and a corbel number of 20 as an example, the volume of the first brick body 1 is about 210dm 3 The volume of the second brick body 2 is about 75dm 3 The volume of the third brick 3 is about 345dm 3 。
Preferably, the bottom surface of the arc-shaped masonry of the first brick body 1 is provided with a cambered surface which is bilaterally symmetrical, the bottom surface of the second brick body 2 is provided with a cambered surface, when the two first brick bodies 1 are respectively built on the left side and the right side of one second brick body 2, a complete arch can be formed, and the arch angle is 60-80 degrees;
the arch structure is a three-center arch bridge structure, force can be uniformly transmitted to the arch foot bricks, and the risk of over-roof damage is reduced.
The foregoing is merely exemplary of the present utility model, and many variations may be made in the specific embodiments and application scope of the utility model by those skilled in the art based on the spirit of the utility model, as long as the variations do not depart from the gist of the utility model.
Claims (5)
1. Novel dry quenching furnace chute passes a structure, its characterized in that: the brick comprises a first brick body, a second brick body and a third brick body;
the first brick body consists of an arc-shaped masonry body and a rear support masonry body, wherein the arc-shaped masonry body is of an arc-shaped columnar structure with an inverted trapezoid radial section, the rear support masonry body is of a trapezoid columnar structure with a trapezoid horizontal section, the rear support masonry body is in butt joint with the outer side wall of the arc-shaped masonry body, and the rear support masonry body and the outer side wall of the arc-shaped masonry body are integrally formed in a masonry mode;
the second brick body is of an arc-shaped columnar structure with an inverted trapezoid radial section, and the radian of the second brick body is matched with that of the arc-shaped masonry;
the third brick body is of a trapezoid columnar structure with a trapezoid horizontal section, and the slopes of the two side walls of the third brick body are matched with the slopes of the rear supporting masonry;
the left and right side walls of the arc brickwork are in butt joint with the side wall of the second brick body, a plurality of arc brickworks are connected with the second brick body in turn by laying bricks or stones and can constitute the ring, the back lateral wall of back support brickwork is in butt joint with the preceding lateral wall of the third brick body, and the third brick body plays the supporting role to the first brick body from the rear side.
2. The novel dry quenching furnace chute overhead structure according to claim 1, wherein: the arc brickwork left and right sides wall of the first brick body is first side fitting surface, and first side fitting surface is the inclined plane, and the inclination of this inclined plane is beta, and the left and right sides wall of the second brick body is the second side fitting surface, and the second side fitting surface is the inclined plane, and the inclination of this inclined plane is alpha, alpha and beta complementation.
3. The novel dry quenching furnace chute overhead structure according to claim 1, wherein: the rear side wall of the rear support masonry of the first brick body is a first rear matching surface, the front side wall of the third brick body is a third rear matching surface, the first rear matching surface and the third rear matching surface are inclined surfaces, the inclined angle of the inclined surface of the third rear matching surface is gamma, and the inclined angle of the inclined surface of the first rear matching surface is complementary with gamma.
4. A novel dry quenching furnace chute overhead structure as claimed in claim 3, wherein: the upper and lower both sides of first back mating surface are provided with first retarding face perpendicularly, and the upper and lower both sides of third back mating surface are provided with third retarding face perpendicularly.
5. The novel dry quenching furnace chute overhead structure according to claim 2, wherein: the first side matching surface is an upward inclined surface, and the second side matching surface is a downward inclined surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321887226.9U CN220317687U (en) | 2023-07-18 | 2023-07-18 | Novel dry quenching furnace chute roof-passing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321887226.9U CN220317687U (en) | 2023-07-18 | 2023-07-18 | Novel dry quenching furnace chute roof-passing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220317687U true CN220317687U (en) | 2024-01-09 |
Family
ID=89422114
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321887226.9U Active CN220317687U (en) | 2023-07-18 | 2023-07-18 | Novel dry quenching furnace chute roof-passing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220317687U (en) |
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2023
- 2023-07-18 CN CN202321887226.9U patent/CN220317687U/en active Active
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