CN219494838U - Cement kiln tertiary air duct with axially arranged brick supporting plates - Google Patents
Cement kiln tertiary air duct with axially arranged brick supporting plates Download PDFInfo
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- CN219494838U CN219494838U CN202320087964.9U CN202320087964U CN219494838U CN 219494838 U CN219494838 U CN 219494838U CN 202320087964 U CN202320087964 U CN 202320087964U CN 219494838 U CN219494838 U CN 219494838U
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- supporting plates
- tertiary air
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Abstract
The utility model provides a tertiary air duct of a cement kiln, which comprises a cylindrical shell arranged horizontally, wherein the two sides of the inner wall of the shell are respectively provided with a brick supporting plate along the axial direction of the cylindrical shell, the inner wall of the shell is divided by the brick supporting plates and respectively provided with a top fire-resistant layer and a bottom fire-resistant layer, the top fire-resistant layer and the bottom fire-resistant layer are respectively attached to the inner wall of the shell, the inner wall of the shell is provided with a supporting structure for supporting the brick supporting plates, and the supporting structure comprises angle irons which are perpendicular to the axial direction of the shell and are connected with the inner wall of the shell, and supporting plates which are arranged at the top of the angle irons and are attached to the bottom surfaces of the brick supporting plates. The utility model has the effect of prolonging the service life of the refractory bricks built on the inner wall of the tertiary air pipe.
Description
Technical Field
The utility model relates to the technical field of cement processing and production equipment, in particular to a tertiary air duct of a cement kiln, wherein a brick supporting plate is axially arranged.
Background
The refractory bricks of the tertiary air pipe lining of the cement plant are generally integrally built along the circumferential direction, along with deformation of the tertiary air pipe shell and abrasion of the refractory bricks, the refractory bricks of the tertiary air pipe are easy to twist and dislocation, if the refractory bricks at the bottom are damaged, the refractory bricks at the top can fall in batches, the refractory bricks of the tertiary air pipe need to be integrally replaced, and the service life of the refractory bricks of the tertiary air pipe is short.
Disclosure of Invention
Aiming at the defects existing in the prior art, the utility model provides a tertiary air duct of a cement kiln, wherein the tertiary air duct is axially arranged on a brick supporting plate, and the problems that the refractory bricks at the top drop in batches after the refractory bricks at the bottom are damaged and deformed and the service life of the refractory bricks of the tertiary air duct is seriously influenced in the prior art are solved.
According to the embodiment of the utility model, the tertiary air duct of the cement kiln, which is axially arranged by the brick supporting plates, comprises a cylindrical shell which is horizontally arranged, wherein the brick supporting plates are axially arranged on two sides of the inner wall of the shell, the inner wall of the shell is divided by the brick supporting plates and respectively provided with a top fire-resistant layer and a bottom fire-resistant layer, the top fire-resistant layer and the bottom fire-resistant layer are respectively arranged by being attached to the inner wall of the shell, the inner wall of the shell is provided with a supporting structure for supporting the brick supporting plates, and the supporting structure comprises angle irons which are perpendicular to the axial direction of the shell and are connected with the inner wall of the shell and supporting plates which are arranged at the top of the angle irons and are attached to the bottom surfaces of the brick supporting plates.
Preferably, the top of the brick supporting plate is provided with strip-shaped protrusions, the strip-shaped protrusions are identical to the brick supporting plate in length direction, and the inner wall of the top fire-resistant layer is attached to the side walls of the strip-shaped protrusions.
Preferably, the inner side of the bottom fire-resistant layer is concentrically provided with an arc-shaped plate, the arc-shaped plate is attached to the inner wall of the bottom fire-resistant layer, and the arc-shaped plates are distributed on the bottom fire-resistant layer at equal intervals along the axial direction of the shell.
Preferably, two ends of the arc-shaped plate are respectively connected with the bottoms of the two supporting plates.
Compared with the prior art, the utility model has the following beneficial effects:
1. support the top flame retardant coating through the support brick board for after the bottom flame retardant coating appears damaging or distorting dislocation, can not exert an influence to the support of top flame retardant coating, and then prolonged the inside resistant firebrick's of tertiary air duct life.
2. The brick supporting plate is supported by arranging angle irons and the supporting plates, the angle irons are perpendicular to the axial direction of the shell and serve as reinforcing ribs, the stability of the supporting plates is improved, and then the strength of the brick supporting plate is improved.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present utility model.
FIG. 2 is a schematic view of the structure of the A-A plane in FIG. 1.
In the above figures: 1. a housing; 2. a top refractory layer; 3. a bottom refractory layer; 4. a support plate; 5. brick supporting plates; 6. angle iron; 7. an arc-shaped plate.
Detailed Description
The technical scheme of the utility model is further described below with reference to the accompanying drawings and examples.
As shown in fig. 1-2, in order to prolong the service life of the refractory bricks built on the inner wall of the tertiary air duct of the cement kiln. The utility model provides a tertiary air duct of a cement kiln, which comprises a cylindrical shell 1 which is horizontally arranged, wherein brick supporting plates 5 are respectively arranged on two sides of the inner wall of the shell 1 along the axial direction of the cylindrical shell, the inner wall of the shell 1 is divided by the brick supporting plates 5 and is respectively provided with a top fire-resistant layer 2 and a bottom fire-resistant layer 3, the top fire-resistant layer 2 and the bottom fire-resistant layer 3 are respectively attached to the inner wall of the shell 1, the inner wall of the shell 1 is provided with a supporting structure for supporting the brick supporting plates 5, and the supporting structure comprises angle irons 6 which are perpendicular to the axial direction of the shell 1 and are connected with the inner wall of the shell 1, and supporting plates 4 which are arranged on the tops of the angle irons 6 and are attached to the bottom surfaces of the brick supporting plates 5.
Firstly, rolling a Q345 steel plate into a cylinder shape by a plate bending machine, welding the joint to manufacture a shell 1 of a tertiary air duct, then welding angle irons 6 and support plates 4 on two sides of the inner wall of the shell 1, welding a brick supporting plate 5 on the support plates 4, and finally building a top refractory layer 2 and a bottom refractory layer 3. Angle bar 6 supports backup pad 4 as the strengthening rib, and backup pad 4 supports brick supporting plate 5, and brick supporting plate 5 supports top flame retardant coating 2, and after bottom flame retardant coating 3 appears damaging, can not be to top flame retardant coating 2, realizes the separation of top flame retardant coating 2 and bottom flame retardant coating 3, and during follow-up maintenance, the maintenance of single-point can be carried out, and then prolonged the life of resistant firebrick.
As shown in fig. 1, to further enhance the stability of the support of the top refractory layer 2 by the tile supporting plate 5. The top of the brick supporting plate 5 is provided with strip-shaped protrusions, the strip-shaped protrusions are identical to the brick supporting plate 5 in length direction, and the inner wall of the top refractory layer 2 is attached to the side walls of the strip-shaped protrusions. The two ends of the top fire-resistant layer 2 are limited by arranging the strip-shaped protrusions, so that the stability of the support brick plate 5 on the top fire-resistant layer 2 is enhanced.
As shown in fig. 1-2, to extend the service life of the bottom refractory layer 3. The inner side of the bottom fire-resistant layer 3 is concentrically provided with an arc-shaped plate 7, the arc-shaped plate 7 is attached to the inner wall of the bottom fire-resistant layer 3, and the arc-shaped plate 7 is distributed on the bottom fire-resistant layer 3 at equal intervals along the axial direction of the shell 1. Through arranging arc 7 at the inner wall of bottom flame retardant coating 3, arc 7 is protruding as the inner wall of bottom flame retardant coating 3, when the material passes through tertiary air duct, because the effect of arc 7 for partial material can remain in the region between two arcs 7 to form one deck material layer at the inner wall of bottom flame retardant coating 3, the material layer can be used as the frictional layer of the material that follow-up flows through, slows down the wearing and tearing of bottom flame retardant coating 3.
As shown in fig. 1, to further enhance the stability of the support plate 4. Both ends of the arc-shaped plate 7 are respectively connected with the bottoms of the two support plates 4.
Claims (4)
1. The utility model provides a cement kiln tertiary air duct of brick supporting plate axial arrangement, includes cylindric casing (1) of horizontal arrangement, its characterized in that: the support brick plate (5) has all been arranged along its axial to casing (1) inner wall both sides, casing (1) inner wall uses support brick plate (5) to separate and has arranged top flame retardant coating (2) and bottom flame retardant coating (3) that are built by fire brick respectively, top flame retardant coating (2) and bottom flame retardant coating (3) all laminate casing (1) inner wall and arrange, casing (1) inner wall is provided with the bearing structure who is used for supporting support brick plate (5), bearing structure includes perpendicular to casing (1) axial and with casing (1) inner wall connection's angle bar (6) and sets up in angle bar (6) top and with support brick plate (5) bottom surface laminating backup pad (4).
2. A cement kiln tertiary air duct with axially arranged tile supporting plates as claimed in claim 1, wherein: the top of the brick supporting plate (5) is provided with strip-shaped protrusions, the strip-shaped protrusions are identical to the brick supporting plate (5) in length direction, and the inner wall of the top refractory layer (2) is attached to the side walls of the strip-shaped protrusions.
3. A cement kiln tertiary air duct with axially arranged tile supporting plates as claimed in claim 1, wherein: the inner side of the bottom fire-resistant layer (3) is concentrically provided with an arc-shaped plate (7), the arc-shaped plate (7) is attached to the inner wall of the bottom fire-resistant layer (3), and the arc-shaped plate (7) is distributed on the bottom fire-resistant layer (3) at equal intervals along the axial direction of the shell (1).
4. A cement kiln tertiary air duct with axially arranged tile supporting plates as claimed in claim 3, wherein: the two ends of the arc-shaped plate (7) are respectively connected with the bottoms of the two supporting plates (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320087964.9U CN219494838U (en) | 2023-01-30 | 2023-01-30 | Cement kiln tertiary air duct with axially arranged brick supporting plates |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320087964.9U CN219494838U (en) | 2023-01-30 | 2023-01-30 | Cement kiln tertiary air duct with axially arranged brick supporting plates |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219494838U true CN219494838U (en) | 2023-08-08 |
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ID=87483015
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320087964.9U Active CN219494838U (en) | 2023-01-30 | 2023-01-30 | Cement kiln tertiary air duct with axially arranged brick supporting plates |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219494838U (en) |
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2023
- 2023-01-30 CN CN202320087964.9U patent/CN219494838U/en active Active
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