CN220745979U - Wear-resisting structure of chute welt - Google Patents
Wear-resisting structure of chute welt Download PDFInfo
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- CN220745979U CN220745979U CN202322464458.XU CN202322464458U CN220745979U CN 220745979 U CN220745979 U CN 220745979U CN 202322464458 U CN202322464458 U CN 202322464458U CN 220745979 U CN220745979 U CN 220745979U
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- side wall
- base body
- lining plate
- chute
- groove
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- 239000000956 alloy Substances 0.000 claims abstract description 58
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 58
- 239000000758 substrate Substances 0.000 claims description 20
- 238000005299 abrasion Methods 0.000 claims 1
- 230000002035 prolonged effect Effects 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 239000011159 matrix material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000008595 infiltration Effects 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000003892 spreading Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- JPNWDVUTVSTKMV-UHFFFAOYSA-N cobalt tungsten Chemical compound [Co].[W] JPNWDVUTVSTKMV-UHFFFAOYSA-N 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Chutes (AREA)
Abstract
The utility model relates to the technical field of metallurgical equipment design and manufacture, in particular to a chute lining plate wear-resistant structure. The wear-resisting structure of the chute lining plate comprises a lining plate base body and an alloy block, wherein a groove is arranged on the working surface of the lining plate base body, and the groove is provided with a bottom wall, a first side wall and a second side wall; the first side wall is connected with the bottom wall, the included angle between the first side wall and the bottom wall is smaller than 90 degrees, the second side wall is connected with the first side wall, and the included angle between the second side wall and the first side wall is smaller than 90 degrees; the second side wall and the bottom wall are respectively positioned at two sides of the first side wall; the alloy blocks are embedded in the grooves. Through the mode, the alloy blocks are firmly connected with the lining plate base body, compared with the existing chute lining plate, when the blast furnace burden is flushed from top to bottom, the alloy blocks are not easy to fall off, the service life of the chute lining plate is prolonged, and the service life of the whole blast furnace distributor is prolonged.
Description
Technical Field
The utility model relates to the technical field of metallurgical equipment design and manufacture, in particular to a chute lining plate wear-resistant structure.
Background
The chute lining plate is a vulnerable part in the blast furnace chute distributor of the iron works, the service life of the chute lining plate is directly related to the service life of the whole blast furnace distributor, and the service life of the chute lining plate is prolonged, so that the service life of the whole blast furnace distributor is prolonged.
The utility model patent application with the application publication number of CN113584245A provides a blast furnace distribution chute with a chute lining plate, wherein a convex groove is arranged in the chute body and is connected with the lining plate through a convex plate. Because blast furnace burden washes out from top to bottom and enters the chute lining plate in the use process, the problem that the convex plate is easy to separate from the connecting part still exists only by being inserted into the convex groove, the service life is shorter, the value of the alloy block wear-resistant layer is not fully exerted, and great waste is caused. Based on this, the prior art still remains to be improved.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides a chute lining plate wear-resistant structure, which comprises a lining plate base body and an alloy block.
The lining board base body is provided with a working surface, the working surface is provided with a groove, and the groove is provided with a bottom wall, a first side wall and a second side wall; the first side wall is connected with the bottom wall, the included angle between the first side wall and the bottom wall is smaller than 90 degrees, the second side wall is connected with the first side wall, and the included angle between the second side wall and the first side wall is smaller than 90 degrees; the second side wall and the bottom wall are respectively positioned at two sides of the first side wall;
the alloy block comprises an upper part and a lower part, and the lower part of the alloy block is attached to the first side wall and the bottom wall of the groove; the upper part of the alloy block is positioned above the second side wall and protrudes outside the groove.
Furthermore, in the chute lining plate wear-resistant structure provided by the utility model, a plurality of grooves are formed in the lining plate base body, the alloy blocks are embedded in each groove, and the alloy blocks are paved on the whole working surface of the lining plate base body.
Furthermore, in the chute lining plate wear-resistant structure provided by the utility model, a plurality of grooves are equidistantly distributed along the length direction of a lining plate base body; each groove extends from one end of the liner substrate to the other end of the liner substrate in the width direction of the liner substrate.
Furthermore, the utility model provides a chute lining plate wear-resistant structure, wherein the alloy block is adhered to the lining plate base body.
Furthermore, in the chute lining plate wear-resistant structure, the groove further comprises a third side wall, the third side wall is connected with the second side wall, the third side wall is attached to the upper portion of the alloy block, and the thickness of the third side wall is smaller than that of the upper portion of the alloy block.
Furthermore, in the wear-resistant structure of the lining plate of the chute, two first side walls, two second side walls and two third side walls of each groove are respectively arranged at two ends of the bottom wall in the length direction of the lining plate base body.
Furthermore, the utility model provides a chute lining plate wear-resistant structure, wherein the gap between two adjacent grooves is set to be 5mm.
Furthermore, in the chute lining plate wear-resistant structure, the distance from two grooves at two ends of a lining plate base body to the end part of the lining plate base body is set to be 4mm.
Furthermore, in the chute lining plate wear-resistant structure, the lining plate base body is semi-cylindrical.
Furthermore, in the chute lining plate wear-resistant structure, a plurality of lining plate matrixes are sequentially connected along the length direction of the lining plate matrixes.
The beneficial effects of the utility model are as follows: according to the utility model, by setting the included angle between the first side wall and the bottom wall to be smaller than 90 degrees and setting the included angle between the second side wall and the first side wall to be smaller than 90 degrees, the alloy blocks are more firmly connected in the up-down direction when being installed in the grooves, compared with the conventional method of setting the grooves to be convex grooves, the alloy blocks are not easy to deviate when being washed by blast furnace burden from top to bottom, the service life of the chute lining plate is prolonged, and the service life of the whole blast furnace distributor is prolonged.
Drawings
FIG. 1 is a schematic view of a prior art chute liner wear structure;
FIG. 2 shows a schematic structural view of a chute liner in the chute liner wear structure according to the present utility model;
FIG. 3 shows a partial cross-sectional view of the liner substrate and alloy blocks in the chute liner wear structure of the present utility model;
fig. 4 shows an enlarged view of a portion of the lining plate matrix and alloy blocks in the chute lining plate wear structure according to the present utility model.
In the figure: 1. a liner substrate; 2. an alloy block; 3. a bottom wall; 4. a first sidewall; 5. a second sidewall; 6. and a third sidewall.
Detailed Description
It should be understood that the embodiments of the utility model shown in the exemplary embodiments are only illustrative. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art will readily appreciate that many modifications are possible without materially departing from the teachings of the subject matter of this disclosure. Accordingly, all such modifications are intended to be included within the scope of present utility model. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and parameters of the exemplary embodiments without departing from the spirit of the present utility models.
In China, in order to improve the wear resistance of a chute lining plate of a blast furnace distributing device, a common steel plate is generally used as a matrix, a ring groove with the depth of 18mm and the width of 36mm is processed, and a cuboid tungsten cobalt wear-resistant alloy block with the appearance of 9 x 18 x 36 is inlaid in the ring groove; and then the alloy block and the lining plate matrix are firmly combined into a whole by the infiltration technology. As shown in FIG. 1, the prior art chute liners generally consist of 5 to 6 blocks, each liner substrate being impregnated with 9 to 12 rows of alloy blocks, with gaps between adjacent blocks generally being 10-15mm. The lining board base bodies are paved on the chute and are fastened by bolts to form the pressing board.
Based on this, as shown in fig. 2 to 4, the present utility model provides a chute liner wear structure comprising a liner substrate 1 and an alloy block 2.
The lining board base body 1 is provided with a working surface, the working surface is provided with a groove, and the groove is provided with a bottom wall 3, a first side wall 4 and a second side wall 5; the first side wall 4 is connected with the bottom wall 3, the included angle between the first side wall 4 and the bottom wall 3 is smaller than 90 degrees, the second side wall 5 is connected with the first side wall 4, and the included angle between the second side wall 5 and the first side wall 4 is smaller than 90 degrees; the second side wall 5 and the bottom wall 3 are on either side of the first side wall 4.
The alloy block 2 comprises an upper part and a lower part, and the lower part of the alloy block 2 is attached to the first side wall 4 and the bottom wall 3 of the groove; the upper part of the alloy block 2 is above the second side wall 5 and protrudes outside the trench.
Specifically, the alloy block 2 is embedded in the groove, and when the alloy block 2 is embedded, the alloy block enters from one end of the groove until two ends of the alloy block 2 are flush with two ends of the groove.
Through setting the contained angle of first lateral wall 4 to be less than 90 degrees with diapire 3, and the contained angle between second lateral wall 5 and the first lateral wall 4 is less than 90 degrees mode, and alloy piece 2 connects more firmly in upper and lower direction when the slot is installed, when receiving blast furnace burden top-down's scour, alloy piece 2 is difficult for deviating from, has improved the life of welt base member 1, and then has improved the life-span of whole blast furnace distributor.
In the chute lining board wear-resistant structure provided by the embodiment, a plurality of grooves are arranged on the lining board base body 1, the alloy blocks 2 are embedded in each groove, and the whole working surface of the lining board base body 1 is paved with the alloy blocks 2. Because blast furnace burden is flushed into the lining board base body 1 from top to bottom in the use process, the lining board base body 1 between adjacent alloy blocks 2 is most seriously damaged, and is flushed and brushed into small grooves and then expanded into large grooves until the alloy blocks 2 are dug out from the root parts and fall off. Therefore, the utility model can reduce the gap between adjacent alloy blocks 2 and further improve the service life of the lining board base body 1 by spreading the alloy blocks 2 over the whole working surface of the lining board base body 1.
In the chute lining plate wear-resistant structure provided by the embodiment, a plurality of grooves are equidistantly distributed along the length direction of the lining plate base body 1. Each groove extends from one end of the liner substrate 1 to the other end of the liner substrate 1 in the width direction of the liner substrate 1. So as to realize that the whole working surface of the lining board base body 1 is fully paved with the alloy blocks 2.
In the chute liner wear resistant structure provided in this embodiment, the alloy block 2 is bonded to the liner substrate 1. Specifically, the alloy block 2 is firmly adhered and inlaid on the lining plate base body 1 by using the infiltration process, so that the alloy block 2 is prevented from falling off from two ends of the groove.
In the chute lining board wear-resistant structure provided by the embodiment, the groove further comprises a third side wall 6, the third side wall 6 is connected with the second side wall 5, the third side wall 6 is attached to the upper portion of the alloy block 2, and the thickness of the third side wall 6 is smaller than that of the upper portion of the alloy block 2. So that the upper part of the alloy block 2 protrudes outside the groove.
In the wear-resistant structure of the chute lining board provided in this embodiment, two first side walls 4, two second side walls 5 and two third side walls 6 of each groove are respectively arranged, and the two first side walls 4 are symmetrically arranged at two ends of the length direction of the lining board base body 1 with respect to the bottom wall 3. As shown in fig. 3, the bottom wall 3 and the two first side walls 4 together form a dovetail-shaped groove, the lower part of the alloy block 2 is also dovetail-shaped, and the groove wall of the groove is attached to the alloy block 2.
In the chute lining plate wear-resistant structure provided by the embodiment, the size of the alloy block 2, the outline size of the lining plate base body 1, the granularity of blast furnace burden and the like are combined, and the gap between two adjacent grooves is set to be 5mm. The distance from the two grooves at both ends of the liner substrate 1 to the end of the liner substrate 1 was set to 4mm. It is possible to achieve a substantially full spreading of the alloy mass 2 over the entire working surface of the backing substrate 1.
In the chute lining plate wear-resistant structure provided by the embodiment, the lining plate base body 1 is semi-cylindrical, so that the flow of blast furnace burden is conveniently guided.
In the chute liner wear-resistant structure provided in this embodiment, a plurality of liner bases 1 are sequentially connected in the length direction to form a chute liner. Specifically, when the plurality of lining board substrates 1 are connected, the plurality of lining board substrates 1 are laid on the chute in a flat manner and the pressing plate is fastened by bolts.
The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model; modifications and equivalent substitutions are intended to be included in the scope of the claims without departing from the spirit and scope of the present utility model.
Claims (10)
1. The wear-resistant structure of the chute lining plate is characterized by comprising a lining plate base body and an alloy block;
the lining board base body is provided with a working surface, the working surface is provided with a groove, and the groove is provided with a bottom wall, a first side wall and a second side wall; the first side wall is connected with the bottom wall, the included angle between the first side wall and the bottom wall is smaller than 90 degrees, the second side wall is connected with the first side wall, and the included angle between the second side wall and the first side wall is smaller than 90 degrees; the second side wall and the bottom wall are respectively positioned at two sides of the first side wall;
the alloy block comprises an upper part and a lower part, and the lower part of the alloy block is attached to the first side wall and the bottom wall of the groove; the upper part of the alloy block is positioned above the second side wall and protrudes outside the groove.
2. The chute liner wear structure of claim 1, wherein,
the grooves on the lining plate base body are arranged in a plurality, the alloy blocks are embedded in each groove, and the whole working surface of the lining plate base body is paved with the alloy blocks.
3. The chute liner wear structure of claim 2, wherein,
the grooves are equidistantly distributed along the length direction of the lining plate base body; each groove extends from one end of the liner substrate to the other end of the liner substrate in the width direction of the liner substrate.
4. The chute liner plate abrasion resistant structure according to claim 3, wherein,
the alloy block is bonded with the lining board base body.
5. The chute liner wear structure of claim 1, wherein,
the groove further comprises a third side wall, the third side wall is connected with the second side wall, the third side wall is attached to the upper portion of the alloy block, and the thickness of the third side wall is smaller than that of the upper portion of the alloy block.
6. The chute liner plate wear structure of claim 5, wherein,
the first side wall, the second side wall and the third side wall of each groove are two, and the two first side walls are positioned at the two ends of the bottom wall in the length direction of the lining plate base body.
7. The chute liner wear structure of claim 2, wherein,
the gap between two adjacent grooves was set to 5mm.
8. The chute liner wear structure of claim 2, wherein,
the distance from the two grooves at the two ends of the lining board base body to the end parts of the lining board base body is set to be 4mm.
9. The chute liner wear structure of claim 1, wherein,
the lining board base body is semi-cylindrical.
10. The chute liner wear structure of claim 1, wherein,
the lining board substrates are sequentially connected along the length direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322464458.XU CN220745979U (en) | 2023-09-11 | 2023-09-11 | Wear-resisting structure of chute welt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322464458.XU CN220745979U (en) | 2023-09-11 | 2023-09-11 | Wear-resisting structure of chute welt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220745979U true CN220745979U (en) | 2024-04-09 |
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ID=90561338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322464458.XU Active CN220745979U (en) | 2023-09-11 | 2023-09-11 | Wear-resisting structure of chute welt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220745979U (en) |
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2023
- 2023-09-11 CN CN202322464458.XU patent/CN220745979U/en active Active
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