CN215713105U - Non-metal supporting device for hot blast stove checker brick masonry - Google Patents
Non-metal supporting device for hot blast stove checker brick masonry Download PDFInfo
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- CN215713105U CN215713105U CN202122183827.9U CN202122183827U CN215713105U CN 215713105 U CN215713105 U CN 215713105U CN 202122183827 U CN202122183827 U CN 202122183827U CN 215713105 U CN215713105 U CN 215713105U
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- grate
- grate plate
- blast stove
- nonmetal
- lattice
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- 229910052755 nonmetal Inorganic materials 0.000 title claims abstract description 85
- 239000011449 brick Substances 0.000 title claims abstract description 56
- 150000002843 nonmetals Chemical class 0.000 title description 2
- 230000002093 peripheral effect Effects 0.000 claims abstract description 35
- 229910052751 metal Inorganic materials 0.000 claims abstract description 16
- 239000002184 metal Substances 0.000 claims abstract description 16
- 238000009434 installation Methods 0.000 claims abstract description 10
- 239000007787 solid Substances 0.000 claims description 4
- 238000002485 combustion reaction Methods 0.000 abstract description 9
- 239000007789 gas Substances 0.000 abstract description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 4
- 229910052799 carbon Inorganic materials 0.000 abstract description 4
- 239000000446 fuel Substances 0.000 abstract description 4
- 239000003034 coal gas Substances 0.000 abstract description 3
- 230000007797 corrosion Effects 0.000 abstract description 3
- 238000005260 corrosion Methods 0.000 abstract description 3
- 230000007547 defect Effects 0.000 abstract description 3
- 230000003647 oxidation Effects 0.000 abstract description 3
- 238000007254 oxidation reaction Methods 0.000 abstract description 3
- 239000002918 waste heat Substances 0.000 abstract description 3
- 230000007774 longterm Effects 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 229910052681 coesite Inorganic materials 0.000 description 3
- 229910052906 cristobalite Inorganic materials 0.000 description 3
- 239000011819 refractory material Substances 0.000 description 3
- 239000000377 silicon dioxide Substances 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 229910052682 stishovite Inorganic materials 0.000 description 3
- 229910052905 tridymite Inorganic materials 0.000 description 3
- 229910001018 Cast iron Inorganic materials 0.000 description 2
- 230000001172 regenerating effect Effects 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 229910001141 Ductile iron Inorganic materials 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000005058 metal casting Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
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Abstract
The utility model discloses a non-metal supporting device for a checker brick masonry of a hot-blast stove, which comprises a non-metal grate plate, a non-metal supporting column and an installation accessory, wherein the non-metal grate plate is supported at the top of the non-metal supporting column, and the non-metal supporting column is fixed and supported on a bottom plate of the hot-blast stove or a foundation of the hot-blast stove through the installation accessory; the non-metal grate plate consists of a middle grate plate positioned in the middle of the plane of the hot-blast stove and a peripheral grate plate surrounding the middle grate plate, and the middle grate plate and the peripheral grate plate are supported by at least one non-metal pillar. The utility model has the long-term safe use temperature of more than 1200 ℃, can realize the combustion exhaust gas temperature of more than 800 ℃ adopted in the production operation of the hot blast stove, can heat the temperature of combustion air to more than 600 ℃ and the temperature of coal gas to more than 300 ℃ by utilizing the waste heat of the high-temperature exhaust gas, reduces the fuel consumption of a hot blast stove system, reduces the carbon emission, and avoids the defects of oxidation corrosion, heavy weight, high investment and the like of a metal grate and a grate support column.
Description
Technical Field
The utility model relates to the technical field of ironmaking blast furnace hot blast stoves, in particular to a non-metal supporting device for a checker brick masonry of a hot blast stove.
Background
The checker brick masonry in the regenerative chamber of the hot blast stove is a refractory heat exchanger for absorbing the heat of combustion flue gas and heating blast of the blast furnace, and is built by a plurality of single checker bricks, the checker brick masonry is supported by a grate at the lower part of the regenerative chamber, and the grate is supported on a grate support column below the checker brick masonry.
At present, the grate and the grate support for supporting the checker brick masonry of the hot-blast stove are all made of metal castings such as nodular cast iron, heat-resistant cast iron, high-chromium cast iron and the like. Because of the significant strength decay of these metallic materials at high temperatures, the current maximum operating temperatures of grates and grate buckstays are less than 450 ℃. The utilization of the waste heat of the combustion waste gas of the hot blast stove to improve the temperature of combustion air and coal gas is a mature modern technology, and has the comprehensive effects of improving the temperature of hot blast, reducing fuel consumption, reducing the carbon emission of the hot blast stove and the like.
However, due to the above-mentioned safety operating temperature limitations of the metallic grates and grate struts, the temperature of the hot blast stove combustion exhaust gas cannot be further increased, which affects the attainment of higher combustion air and gas temperatures, and therefore, is not conducive to further reduction of the fuel consumption of the hot blast stove and to reduction of the carbon emission of the hot blast stove system. Meanwhile, the metal grate and the grate support have the defects of oxidation corrosion, thermal fatigue, heavy weight, high investment and the like. Therefore, the non-metal supporting device for the checker work of the hot blast stove is provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a non-metal supporting device for a checker brick building body of a hot blast stove, which aims to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: a nonmetal supporting device for a checker brick masonry of a hot blast stove comprises a nonmetal grate plate, a nonmetal strut and an installation accessory, wherein the nonmetal grate plate is supported at the top of the nonmetal strut, the nonmetal strut is fixed and supported on a bottom plate of the hot blast stove or a foundation of the hot blast stove through the installation accessory, and a bottom groove matched with the section shape of the nonmetal strut is arranged on the lower surface of the nonmetal grate plate at the supporting position of the nonmetal strut;
the nonmetal grate plate consists of a middle grate plate positioned in the middle of the plane of the hot-blast stove and a peripheral grate plate surrounding the middle grate plate, and the plane projection shape of the middle grate plate is rectangular or regular hexagon; the projection shape of the edge of the peripheral grate plate facing the outside of the furnace is arc-shaped or polygonal, and the plane projection shapes of the other edges are matched with the edge shapes of the adjacent middle grate plate and the peripheral grate plate; the middle grate plate and the peripheral grate plate are supported by at least one non-metal pillar.
The section shape of nonmetal pillar outward appearance is circular or hexagon or rectangle, and the hypomere of nonmetal pillar is solid cylinder, and the upper segment is hollow cylinder, and the hollow cylinder top of upper segment is equipped with back taper platform cavity, and back taper platform cavity is the back taper platform form that the size enlarges gradually.
And the hollow cylinder body of the non-metal support column is provided with a through hole connected with the outer surface and the inner cavity of the cylinder body.
The lower extreme of nonmetal pillar is equipped with metal base, and metal base lower extreme is equipped with the backing plate, is equipped with the connecting piece that is used for nonmetal pillar installation on the metal base.
Vertical grate holes matched with the lattice brick lattice holes are formed in the middle grate plate and the peripheral grate plates, the single vertical grate hole is matched with the single lattice brick lattice hole or the three lattice brick lattice holes of the lattice brick, and the cross section of each vertical grate hole is circular, regular hexagon or petal-shaped.
The edge and the corner of the middle grate plate and the peripheral grate plate are provided with vertical grate grooves matched with the lattice brick lattice holes, a single vertical grate groove is matched with a single or three complete lattice brick lattice holes or incomplete lattice brick lattice holes of the lattice bricks, and the cross section of each vertical grate groove is in a circular shape, a regular hexagon shape or a petal shape.
The vertical grate holes or vertical grate grooves which are covered by the tops of the non-metal struts on the lower surfaces of the middle grate plate and the peripheral grate plates are provided with airflow channels communicated with the uncovered vertical grate holes or vertical grate grooves.
The upper surfaces of the middle grate plate and the peripheral grate plate are provided with top surface grooves matched with the positions and the sizes of the bosses on the bottom surfaces of the lattice bricks.
The non-metal grate plate and the non-metal supporting column are made of Al2O3-SiO2Is made of refractory material.
Compared with the prior art, the utility model has the beneficial effects that: the utility model has the long-term safe use temperature of more than 1200 ℃, can realize the combustion exhaust gas temperature of more than 800 ℃ adopted in the production operation of the hot blast stove, can heat the temperature of combustion air to more than 600 ℃ and the temperature of coal gas to more than 300 ℃ by utilizing the waste heat of the high-temperature exhaust gas, reduces the fuel consumption of a hot blast stove system, reduces the carbon emission, and avoids the defects of oxidation corrosion, heavy weight, high investment and the like of a metal grate and a grate support column.
Drawings
FIG. 1 is a schematic plan view of example 1 of the present invention;
FIG. 2 is a cross-sectional view taken at A-A of FIG. 1;
FIG. 3 is an enlarged view at E of FIG. 1;
FIG. 4 is an enlarged view of FIG. 2 at B;
FIG. 5 is a schematic plan view showing embodiment 2 of the present invention;
FIG. 6 is a cross-sectional view taken at B-B of FIG. 5;
FIG. 7 is an enlarged view at C of FIG. 5;
fig. 8 is an enlarged view of fig. 6 at D.
In the figure: 1. a non-metallic strut; 11. a metal base; 12. a cylinder; 13. an interior cavity; 14. a through hole; 15. a cavity of the inverted frustum; 2. a non-metallic grate plate; 21. a middle grate plate; 22. a peripheral grate plate; 23. vertical grate holes; 24. a vertical grate groove; 25. a bottom surface groove; 26. a top surface groove; 27. an air flow channel; 28. lattice brick lattice holes; 3. a base plate; 4. a connecting member; 5. checker bricks.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1: referring to fig. 1-4, the checker bricks 5 selected in this embodiment are seven-hole checker bricks, and each complete checker brick 5 has three bosses on the bottom surface. The utility model provides a non-metal supporting device for a checker brick masonry of a hot blast stove, which comprises a non-metal grate plate 2, a non-metal supporting column 1 and mounting accessories. The nonmetal grate plate 2 is supported on the top of the nonmetal support column 1, the nonmetal support column 1 is fixed and supported on the bottom plate of the hot blast stove through an installation accessory, and a bottom groove 25 matched with the section shape of the nonmetal support column 1 is arranged on the lower surface of the nonmetal grate plate 2 at the supporting position of the nonmetal support column 1;
the nonmetal grate plate 2 consists of a middle grate plate 21 positioned in the middle of the plane of the hot-blast stove and a peripheral grate plate 22 surrounding the middle grate plate 21, and the plane projection shape of the middle grate plate 21 is rectangular; the projection shape of the edge of the peripheral grate plate 22 facing the outside of the furnace is circular arc, and the plane projection shape of the rest edges is matched with the edge shapes of the adjacent middle grate plate 21 and the peripheral grate plate 22; the middle grate plate 21 and the peripheral grate plate 22 are supported by a non-metal pillar 1.
The section shape of the outer surface of the nonmetal strut 1 is circular, the lower section is a solid cylinder, the upper section is a hollow cylinder, the top end of the hollow cylinder at the upper section is provided with an inverted frustum cavity 15, and the inverted frustum cavity 15 is in an inverted frustum shape with gradually enlarged size.
The hollow column body of the non-metal column 1 is provided with a through hole 14 connected with the outer surface of the column body 12 and the inner cavity 13.
The lower extreme of nonmetal pillar 1 is equipped with metal base 11, and metal base 11 lower extreme is equipped with backing plate 3, is equipped with connecting piece 4 that is used for nonmetal pillar 1 to install on metal base 11.
The edges and corners of the middle grate plate 21 and the peripheral grate plate 22 are provided with vertical grate grooves 24 matched with the lattice brick lattice holes 28, a single vertical grate groove 24 is matched with a single complete lattice brick lattice hole 28 or an incomplete lattice brick lattice hole 28 of the lattice brick 5, and the cross section of the vertical grate groove 24 is circular.
The vertical grate holes 23 on the lower surfaces of the middle grate plate 21 and the peripheral grate plate 22, which are shielded by the tops of the non-metal struts 1, are provided with air flow channels 27 communicated with the vertical grate holes 23 which are not shielded.
The upper surfaces of the middle grate plate 21 and the peripheral grate plate 22 are provided with top surface grooves 26 matched with the positions and the sizes of bosses on the bottom surface of the checker brick 5.
The non-metal grating plate 2 and the non-metal pillar 1 are made of Al2O3-SiO2Is made of refractory material.
Example 2: referring to fig. 5-8, the checker brick 5 selected in this embodiment is a nineteen-hole checker brick, with three bosses on the bottom surface of each complete checker brick 5. The utility model provides a non-metal supporting device for a checker brick masonry of a hot blast stove, which comprises a non-metal grate plate 2, a non-metal pillar 1 and mounting accessories. The nonmetal grate plate 2 is supported on the top of the nonmetal support column 1, the nonmetal support column 1 is fixed and supported on the bottom plate of the hot blast stove through an installation accessory, and a bottom groove 25 matched with the section shape of the nonmetal support column 1 is arranged on the lower surface of the nonmetal grate plate 2 at the supporting position of the nonmetal support column 1;
the nonmetal grate plate 2 consists of a middle grate plate 21 positioned in the middle of the plane of the hot-blast stove and a peripheral grate plate 22 surrounding the middle grate plate 21, and the plane projection shape of the middle grate plate 21 is a regular hexagon; the projection shape of the edge of the peripheral grate plate 22 facing the outside of the furnace is circular arc, and the plane projection shape of the rest edges is matched with the edge shapes of the adjacent middle grate plate 21 and the peripheral grate plate 22; the middle grate plate 21 and the peripheral grate plate 22 are supported by a non-metal pillar 1.
The apparent section shape of nonmetal pillar 1 is circular or hexagon or rectangle, and the hypomere of nonmetal pillar 1 is solid cylinder, and the upper segment is hollow cylinder, and the hollow cylinder top of upper segment is equipped with back frustum cavity 15, and back frustum cavity 15 is the back frustum form that the size enlarges gradually.
The hollow column body of the non-metal column 1 is provided with a through hole 14 connected with the outer surface of the column body 12 and the inner cavity 13.
The lower extreme of nonmetal pillar 1 is equipped with metal base 11, and metal base 11 lower extreme is equipped with backing plate 3, is equipped with connecting piece 4 that is used for nonmetal pillar 1 to install on metal base 11.
Vertical grate holes 23 matched with the lattice brick lattice holes 28 are formed in the middle grate plate 21 and the peripheral grate plate 22, a single vertical grate hole 23 is matched with the three lattice brick lattice holes 28 of the lattice bricks 5, and the vertical grate holes 23 are circular.
The edges and corners of the middle grate plate 21 and the peripheral grate plate 22 are provided with vertical grate grooves 24 matched with the lattice brick lattice holes 28, the single vertical grate groove 24 is matched with one or three complete lattice brick lattice holes 28 or incomplete lattice brick lattice holes 28 of the lattice bricks 5, and the cross section of the vertical grate groove 24 is circular.
The vertical grate holes 23 on the lower surfaces of the middle grate plate 21 and the peripheral grate plate 22, which are shielded by the tops of the non-metal struts 1, are provided with air flow channels 27 communicated with the vertical grate holes 23 which are not shielded.
The upper surfaces of the middle grate plate 21 and the peripheral grate plate 22 are provided with top surface grooves 26 matched with the positions and the sizes of bosses on the bottom surfaces of the lattice bricks 5.
The non-metal grate plate and the non-metal strut 1 are made of Al2O3-SiO2Is made of refractory material.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a non-metallic strutting arrangement for hot-blast furnace checker brick masonry, includes non-metal grate plate (2), non-metal pillar (1) and installation annex, its characterized in that: the nonmetal grate plate (2) is supported on the top of the nonmetal strut (1), the nonmetal strut (1) is fixed and supported on a bottom plate of a hot-blast stove or a base of the hot-blast stove through an installation accessory, and a bottom surface groove (25) matched with the section shape of the nonmetal strut (1) is arranged on the lower surface of the nonmetal grate plate (2) at the supporting position of the nonmetal strut (1);
the nonmetal grate plate (2) consists of a middle grate plate (21) positioned in the middle of the plane of the hot blast stove and peripheral grate plates (22) surrounding the middle grate plate (21), and the plane projection shape of the middle grate plate (21) is rectangular or regular hexagon; the edge projection shape of the peripheral grate plate (22) facing the outside of the furnace is arc-shaped or polygonal, and the plane projection shape of the rest edges is matched with the edge shapes of the adjacent middle grate plate (21) and the peripheral grate plate (22); the middle grate plate (21) and the peripheral grate plate (22) are supported by at least one non-metal pillar (1).
2. The non-metallic support arrangement for a hot blast stove checker work of claim 1, wherein: the section shape of nonmetal pillar (1) outward appearance is circular or hexagon or rectangle, and the hypomere of nonmetal pillar (1) is solid cylinder, and the upper segment is hollow cylinder, and the hollow cylinder top of upper segment is equipped with back taper platform cavity (15), and back taper platform cavity (15) are the back taper platform form that the size gradually enlarges.
3. The non-metallic support arrangement for a hot blast stove checker work of claim 1, wherein: the hollow column body of the nonmetal pillar (1) is provided with a through hole (14) which is connected with the outer surface of the column body (12) and the inner cavity (13).
4. The non-metallic support arrangement for a hot blast stove checker work of claim 1, wherein: the lower extreme of nonmetal pillar (1) is equipped with metal base (11), and metal base (11) lower extreme is equipped with backing plate (3), is equipped with connecting piece (4) that are used for nonmetal pillar (1) installation on metal base (11).
5. The non-metallic support arrangement for a hot blast stove checker work of claim 1, wherein: vertical grate holes (23) matched with the lattice brick lattice holes (28) are formed in the middle grate plate (21) and the peripheral grate plate (22), the single vertical grate hole (23) is matched with the single lattice brick lattice hole (28) or the three lattice brick lattice holes (28) of the lattice bricks (5), and the cross section of the vertical grate hole (23) is circular, regular hexagon or petal-shaped.
6. The non-metallic support arrangement for a hot blast stove checker work of claim 1, wherein: the edge and the corner of the middle grate plate (21) and the peripheral grate plate (22) are provided with vertical grate grooves (24) matched with the lattice brick lattice holes (28), the single vertical grate groove (24) is matched with a single or three complete lattice brick lattice holes (28) or incomplete lattice brick lattice holes (28) of the lattice bricks (5), and the cross section of the vertical grate groove (24) is in a circular shape, a regular hexagon shape or a petal shape.
7. A non-metallic support arrangement for a checker work of a hot blast stove as claimed in claim 5 or 6, wherein: the lower surfaces of the middle grate plate (21) and the peripheral grate plate (22) are provided with vertical grate holes (23) or vertical grate grooves (24) which are shielded by the tops of the non-metal pillars (1), and air flow channels (27) communicated with the vertical grate holes (23) or the vertical grate grooves (24) which are not shielded are arranged.
8. The non-metallic support arrangement for a hot blast stove checker work of claim 1, wherein: the upper surfaces of the middle grate plate (21) and the peripheral grate plate (22) are provided with top surface grooves (26) matched with the positions and the sizes of bosses on the bottom surface of the checker brick (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122183827.9U CN215713105U (en) | 2021-09-10 | 2021-09-10 | Non-metal supporting device for hot blast stove checker brick masonry |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122183827.9U CN215713105U (en) | 2021-09-10 | 2021-09-10 | Non-metal supporting device for hot blast stove checker brick masonry |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215713105U true CN215713105U (en) | 2022-02-01 |
Family
ID=80017847
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122183827.9U Active CN215713105U (en) | 2021-09-10 | 2021-09-10 | Non-metal supporting device for hot blast stove checker brick masonry |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215713105U (en) |
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2021
- 2021-09-10 CN CN202122183827.9U patent/CN215713105U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 239000 Mingguang Industrial Park, Chuzhou City, Anhui Province Patentee after: Mingguang Ruier Jingda Technology Co.,Ltd. Address before: 239400 Industrial Park of Mingguang City, Chuzhou, Anhui Patentee before: REAL NON-METALLIC MATERIALS CO.,LTD. |
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| CP03 | Change of name, title or address |