CN215713102U - Hot-blast furnace flow distribution plate - Google Patents
Hot-blast furnace flow distribution plate Download PDFInfo
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- CN215713102U CN215713102U CN202121592593.7U CN202121592593U CN215713102U CN 215713102 U CN215713102 U CN 215713102U CN 202121592593 U CN202121592593 U CN 202121592593U CN 215713102 U CN215713102 U CN 215713102U
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- shunting
- small
- splitter
- hot blast
- blast stove
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Abstract
The utility model discloses a hot blast stove splitter plate, which is in the shape of a regular hexagon prism, a splitter hole of the hot blast stove splitter plate consists of splitter modules, and the splitter modules comprise a central splitter module arranged at the center of the hot blast stove splitter plate and six edge splitter modules arranged around the central splitter module at equal intervals and equal angles; each shunting module comprises a small central shunting hole arranged at the upper part of the shunting module and six small edge shunting holes which are arranged around the small central shunting hole at equal intervals and equal angles; each shunting module further comprises a large shunting hole arranged at the lower part of the shunting module, and a central small shunting hole and an edge small shunting hole in the same shunting module are communicated with the large shunting hole. The utility model reduces the metal consumption and the production and manufacturing difficulty of the splitter plate and the matched grate thereof.
Description
Technical Field
The utility model relates to the field of blast furnace hot blast stoves, in particular to a hot blast stove flow distribution plate.
Background
The lower part of the internal flow plate of the hot blast stove is connected with the grate, and the upper part of the internal flow plate of the hot blast stove is connected with the checker bricks, so that the functions of distributing cold air and collecting flue gas are achieved. The small holes on the upper part of the flow distribution plate correspond to the grid holes of the checker bricks one by one, namely the arrangement of the grid holes of the checker bricks determines the arrangement of the small holes on the upper part of the flow distribution plate, or the arrangement of the small holes on the upper part of the flow distribution plate determines the arrangement of the grid holes of the checker bricks.
At present, due to the regular distribution of the lattice holes of 7-hole, 19-hole and 37-hole lattice bricks which are widely used, the splitter plate can only realize a splitter module which is divided into three at most (the next one is divided into three).
And in order to increase the heating area (m) per unit of checker brick2/m3) The method mainly adopts the mode of reducing the size of the grid holes and the space between the grid holes. The size of the lattice holes of the checker brick and the space between the lattice holes are reduced, and correspondingly, the size of the lower holes of the flow distribution modules on the flow distribution plate is also reduced, so that the flow distribution modules on the flow distribution plate and the grate holes on the grate are more and more dense, the metal consumption of the flow distribution plate and the grate is increased, and the production and manufacturing difficulty is increased.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a hot blast stove splitter plate to reduce the metal consumption and the production and manufacturing difficulty of the hot blast stove splitter plate and a matched grate thereof.
In order to achieve the purpose, the utility model provides a technical scheme that: a hot-blast furnace flow distribution plate is in a regular hexagonal prism shape, a flow distribution hole of the hot-blast furnace flow distribution plate consists of flow distribution modules, and each flow distribution module comprises a central flow distribution module arranged in the center of the hot-blast furnace flow distribution plate and six edge flow distribution modules which are arranged around the central flow distribution module at equal intervals and at equal angles;
each shunting module comprises a small central shunting hole arranged at the upper part of the shunting module and six small edge shunting holes which are arranged around the small central shunting hole at equal intervals and equal angles; each shunting module further comprises a large shunting hole arranged at the lower part of the shunting module, and a central small shunting hole and an edge small shunting hole in the same shunting module are communicated with the large shunting hole.
According to the scheme, the large shunting hole and the central small shunting hole of each shunting module are concentrically arranged, and the cross sectional area of the large shunting hole is larger than or equal to the sum of the cross sectional areas of the small shunting holes at the upper part.
According to the scheme, the connecting line of the geometric center point of the central flow distribution module and the geometric center point of any edge flow distribution module is vertical to the two side surfaces of the hot blast stove flow distribution plate.
According to the scheme, the included angle formed by the connecting line of the geometric central point of the central small shunting hole and the geometric central point of any edge small shunting hole and the connecting line of the midpoints of two parallel edges of the regular hexagon on the bottom surface of the hot blast stove shunting plate is 40.8934 degrees + n multiplied by 60 degrees, wherein n is 0-5 degrees.
According to the scheme, the distances between the centers of any small shunting hole of the hot blast stove shunting plate and all the adjacent small shunting holes are equal.
According to the scheme, the small shunt hole is circular.
According to the scheme, the small shunt hole is square.
According to the scheme, the small shunt holes are regular hexagons.
According to the scheme, the diameter or the diagonal length of the small shunting hole is 20-27 mm.
According to the scheme, the upper bottom surface of the hot blast stove flow distribution plate is provided with the groove.
The utility model has the beneficial effects that: compared with the traditional arrangement mode of the flow distribution module, the arrangement mode of the seven small flow distribution holes in the upper part and the large flow distribution hole in the lower part of the flow distribution module improves the section area of the large flow distribution hole in the lower part of the flow distribution plate, and reduces the metal consumption and the production and manufacturing difficulty of the flow distribution plate and the matched grate thereof.
Drawings
FIG. 1 is a top view of a structure according to an embodiment of the present invention;
FIG. 2 is a bottom view of the structure of an embodiment of the present invention
FIG. 3 is a cross-sectional view taken along line A-A of FIG. 1;
fig. 4 is a sectional view taken along line B-B of fig. 1.
In the figure: 1-central shunting module, 2-edge shunting module, 3-central small shunting hole, 4-edge small shunting hole, 5-large shunting hole, 6-upper bottom surface, 7-lower bottom surface, 8-groove, 9-checker brick and 10-hot blast furnace shunting plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present disclosure more clear, the following will clearly and completely describe the technical solutions of the embodiments of the present disclosure by taking a circular diversion hole as an example in conjunction with the drawings of the embodiments of the present disclosure. It is to be understood that the embodiments described are only some of the disclosed embodiments, and not all of them. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the disclosure without any inventive step, are within the scope of the disclosure.
Referring to fig. 1, 2 and 3, the hot blast stove splitter plate according to the embodiment of the present invention is in the shape of a regular hexagon prism, and the splitter holes of the hot blast stove splitter plate are composed of splitter modules, wherein each splitter module comprises a central splitter module 1 arranged in the center of the hot blast stove splitter plate and six edge splitter modules 2 arranged around the central splitter module 1 at equal intervals and equal angles;
each shunting module comprises a small central shunting hole 3 arranged at the upper part of the shunting module and six small edge shunting holes 4 which are arranged around the small central shunting hole 3 at equal intervals and equal angles; each shunting module further comprises a large shunting hole 5 arranged at the lower part of the shunting module, and a central small shunting hole 3 and an edge small shunting hole 4 in the same shunting module are communicated with the large shunting hole 5.
Furthermore, a large shunting hole 5 of each shunting module is concentrically arranged with the central small shunting hole 3, and the cross-sectional area of the large shunting hole 5 is larger than or equal to the sum of the cross-sectional areas of the upper small shunting holes.
Furthermore, a connecting line of the geometric center point of the central flow distribution module 1 and the geometric center point of any edge flow distribution module 2 is perpendicular to the two side surfaces of the hot blast stove flow distribution plate.
Furthermore, the connecting line of the geometric center point of the central small shunting hole 3 and the geometric center point of any edge small shunting hole 4 and the connecting line of the midpoints of two parallel edges of the regular hexagon on the bottom surface of the hot blast stove shunting plate form an included angle of 40.8934 degrees + n x 60 degrees, wherein n is 0-5.
Furthermore, the distance between the center of any small shunting hole of the hot blast stove shunting plate and the center of all the adjacent small shunting holes is equal.
Further, the small shunt hole is circular in shape.
Furthermore, the diameter of the small shunting hole is 20-27 mm.
Further, referring to fig. 4, the upper bottom surface 6 of the hot blast stove splitter plate is provided with a groove 8; for cooperation with the checker bricks 9 associated therewith.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. The utility model provides a hot-blast furnace flow distribution plate which characterized in that: the hot blast stove splitter plate is in a regular hexagonal prism shape, the splitter holes of the hot blast stove splitter plate consist of splitter modules, and each splitter module comprises a central splitter module arranged in the center of the hot blast stove splitter plate and six edge splitter modules arranged around the central splitter module at equal intervals and equal angles;
each shunting module comprises a small central shunting hole arranged at the upper part of the shunting module and six small edge shunting holes which are arranged around the small central shunting hole at equal intervals and equal angles; each shunting module further comprises a large shunting hole arranged at the lower part of the shunting module, and a central small shunting hole and an edge small shunting hole in the same shunting module are communicated with the large shunting hole.
2. The hot blast stove splitter plate of claim 1, wherein: the large shunting holes and the central small shunting holes of each shunting module are concentrically arranged, and the cross sectional area of the large shunting holes is larger than or equal to the sum of the cross sectional areas of the small shunting holes at the upper part.
3. The hot blast stove splitter plate of claim 1, wherein: and a connecting line of the geometric center point of the central flow distribution module and the geometric center point of any edge flow distribution module is vertical to the two side surfaces of the hot blast stove flow distribution plate.
4. The hot blast stove splitter plate of claim 1, wherein: the connecting line of the geometric center point of the central small shunting hole and the geometric center point of any edge small shunting hole and the connecting line of the midpoints of two parallel edges of the bottom surface regular hexagon of the hot blast stove shunting plate form an included angle of 40.8934 degrees + n x 60 degrees, wherein n is 0-5 degrees.
5. The hot blast stove splitter plate of claim 1, wherein: the distance between the center of any small shunting hole of the hot blast stove shunting plate and the center of all the adjacent small shunting holes is equal.
6. The hot blast stove splitter plate of claim 1, wherein: the small shunt hole is circular.
7. The hot blast stove splitter plate of claim 1, wherein: the small shunt hole is square.
8. The hot blast stove splitter plate of claim 1, wherein: the small shunt hole is in the shape of a regular hexagon.
9. The hot blast stove splitter plate of claim 1, wherein: the diameter or the diagonal length of the small shunting hole is 20-27 mm.
10. The hot blast stove splitter plate of claim 1, wherein: the upper bottom surface of the hot blast stove flow distribution plate is provided with a groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121592593.7U CN215713102U (en) | 2021-07-13 | 2021-07-13 | Hot-blast furnace flow distribution plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121592593.7U CN215713102U (en) | 2021-07-13 | 2021-07-13 | Hot-blast furnace flow distribution plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215713102U true CN215713102U (en) | 2022-02-01 |
Family
ID=79986571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121592593.7U Active CN215713102U (en) | 2021-07-13 | 2021-07-13 | Hot-blast furnace flow distribution plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215713102U (en) |
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2021
- 2021-07-13 CN CN202121592593.7U patent/CN215713102U/en active Active
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