CN220618994U - Blast furnace distributing chute - Google Patents
Blast furnace distributing chute Download PDFInfo
- Publication number
- CN220618994U CN220618994U CN202322323992.9U CN202322323992U CN220618994U CN 220618994 U CN220618994 U CN 220618994U CN 202322323992 U CN202322323992 U CN 202322323992U CN 220618994 U CN220618994 U CN 220618994U
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- wear
- blast furnace
- base
- chute
- plate
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- 229910052500 inorganic mineral Inorganic materials 0.000 claims abstract description 45
- 239000011707 mineral Substances 0.000 claims abstract description 45
- 238000009826 distribution Methods 0.000 claims abstract description 44
- 210000005056 cell body Anatomy 0.000 claims description 12
- 238000003723 Smelting Methods 0.000 abstract description 2
- 230000008859 change Effects 0.000 abstract description 2
- 238000003825 pressing Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000005299 abrasion Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 238000004220 aggregation Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Blast Furnaces (AREA)
Abstract
The utility model relates to the technical field of blast furnace metallurgical equipment, and provides a blast furnace distribution chute. The blast furnace distribution chute comprises a base, wherein a first chute body and a second chute body are arranged on the base, the first chute body and the second chute body extend in the same direction and are communicated, and the end part of the second chute body, which is far away from the first chute body, is provided with a shrinkage part. The shrinkage part can prevent the divergence phenomenon of mineral aggregate at the outlet end, and can change the distribution of the mineral aggregate in the tank body, so that the mineral aggregate gathers towards the center of the tank body, and the mineral aggregate can be basically the same in the position of the outlet end of the shrinkage part of the distribution chute and the blanking track in different rotation directions, thereby improving the accuracy of the arrangement position of the mineral aggregate in the furnace throat and the smelting efficiency.
Description
Technical Field
The utility model relates to the technical field of blast furnace metallurgical equipment, in particular to a blast furnace distribution chute.
Background
The blast furnace distributing chute is an important component device in the blast furnace ironmaking process, and mineral aggregate can be arranged in the throat of the blast furnace according to the process requirement, thereby being beneficial to improving the ironmaking efficiency and quality. The discharge hole of the existing blast furnace distribution chute is basically an arc-shaped outlet, and the blast furnace distribution chute throws mineral aggregate out of the arc-shaped outlet when the material is rotated. Because the outlet is arc-shaped, partial mineral aggregate climbs along the arc in the rotating groove body, and the mineral aggregate is easy to scatter and throw out along the tangential direction at the outlet part of the blast furnace distribution chute, thereby affecting the accuracy of the arrangement position of the mineral aggregate.
Disclosure of Invention
The utility model provides a blast furnace distribution chute which is used for solving the technical problems in the prior art and realizing the aggregation effect on the flow of mineral aggregate, thereby improving the accuracy of the arrangement position of the mineral aggregate and the smelting efficiency.
The utility model provides a blast furnace distribution chute, comprising:
the base, be equipped with first cell body and second cell body on the base, first cell body with the second cell body extends and communicates along same direction, the second cell body is kept away from the tip of first cell body has the contract oral area.
According to the blast furnace distribution chute provided by the utility model, the first wear-resistant component is arranged in the first chute body and used for bearing mineral aggregate impact, and the first wear-resistant component comprises:
the first wear-resistant lining plate is attached to the inner wall surface of the first groove body.
According to the blast furnace distribution chute of the utility model, the first wear assembly further comprises:
the first baffle plates are connected with the first wear-resistant lining plates, each first baffle plate is located at one side of the first wear-resistant lining plate, which faces away from the base, and the first baffle plates are arranged at intervals along the extending direction of the first groove body;
alternatively, the first wear assembly further comprises:
the second baffles are connected with the first wear-resistant lining plates, each second baffle is located on one side, away from the base, of the first wear-resistant lining plates, each second baffle extends along the extending direction of the first groove body, and the second baffles are distributed at intervals in the direction perpendicular to the extending direction of the first groove body.
According to the blast furnace distribution chute disclosed by the utility model, the first wear-resistant component comprises the wear-resistant pressing plate, the wear-resistant pressing plate is arranged at the notch of the first chute body, and the first wear-resistant lining plate is arranged between the wear-resistant pressing plate and the base.
According to the blast furnace distribution chute, a second wear-resistant component is arranged in the second chute body, and the second wear-resistant component comprises:
the second wear-resistant lining plate is attached to the inner wall surface of the second groove body.
According to the blast furnace distribution chute, the notch of the second chute body is provided with the baffle plate, and the baffle plate is fixedly connected with the base.
According to the blast furnace distribution chute disclosed by the utility model, the number of the baffle plates is two, the notch of the second chute body comprises a first edge and a second edge which are oppositely arranged, one baffle plate is positioned at the first edge, and the other baffle plate is positioned at the second edge.
According to the blast furnace distribution chute disclosed by the utility model, the baffle plate comprises the base plate and the wear-resistant layer which are arranged in a stacked manner, the base plate and the wear-resistant layer are fixedly connected with the base, the wear-resistant layer faces into the second chute body, and the base plate faces to the outer part of the second chute body.
According to the blast furnace distribution chute disclosed by the utility model, the base is further provided with the pull plate, the pull plate is positioned at the necking part, and the pull plate is fixedly connected with the edge of the notch of the second chute body.
According to the blast furnace distribution chute, the first chute body is a square, trapezoid or arc chute, and the second chute body is a trapezoid, arc or square chute.
According to the blast furnace distribution chute provided by the utility model, the shrinkage part is arranged on the second chute body. The shrinkage part can prevent the divergence phenomenon of mineral aggregate at the outlet end, and can change the distribution of the mineral aggregate in the tank body, so that the mineral aggregate is gathered towards the center of the tank body, and the purposes that the positions of the mineral aggregate at the outlet end of the shrinkage part of the distribution chute are basically the same and the blanking track is basically the same in different rotation directions can be realized, thereby improving the accuracy of the arrangement position of the mineral aggregate in the furnace throat.
Drawings
In order to more clearly illustrate the utility model or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a blast furnace distribution chute according to the present utility model;
FIG. 2 is another schematic view of a blast furnace distribution chute according to the present utility model;
FIG. 3 is a top view of a blast furnace distribution chute provided by the present utility model;
FIG. 4 is a cross-sectional view taken along the direction A-A of FIG. 3;
FIG. 5 is a left side view of FIG. 4;
FIG. 6 is a right side view of FIG. 4;
fig. 7 is a partially enlarged schematic view of the portion B of fig. 6.
Reference numerals:
10. a base; 11. a first tank body; 12. a second tank body; 120. a pinch portion;
14. a first wear assembly; 141. a first wear resistant backing plate; 142. a first baffle; 143. a second baffle; 144. wear-resistant pressing plates;
15. a second wear assembly; 151. a second wear resistant backing plate; 16. a fastener;
17. a striker plate; 171. a substrate; 172. a wear-resistant layer; 18. pulling the plate.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the embodiments of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the terms in the embodiments of the present application will be understood by those of ordinary skill in the art in a specific context.
In the examples herein, a first feature "on" or "under" a second feature may be either the first and second features in direct contact, or the first and second features in indirect contact via an intermediary, unless expressly stated and defined otherwise. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the embodiments of the present application. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
Embodiments of the present utility model are described below with reference to fig. 1 to 7. It should be understood that the following description is only illustrative of embodiments of the utility model and is not intended to limit the utility model in any way.
As shown in fig. 1 to 3, a blast furnace distribution chute according to an embodiment of the present utility model includes a base 10, and a first tank 11 and a second tank 12 are provided on the base 10. The blast furnace metallurgy distributing is a technological process of reasonably distributing mineral aggregate (iron ore, coke and the like) in the blast furnace throat from top to bottom through a series of equipment, wherein a distributing chute is the lowest equipment in the process and is also the final equipment for controlling the distributing position of the furnace burden. The distributing chute is arranged at the lower part of the blast furnace distributing device, and is driven by the distributing device to rotate in the horizontal direction and swing in the vertical direction, all mineral aggregate is arranged in the furnace throat through the distributing chute, so that the requirement that the mineral aggregate is less dispersed and not dispersed at the outlet end of the distributing chute is required to be met, and the requirement that the drop point of the mineral aggregate in the furnace throat is basically the same after the rotating direction of the distributing chute is changed is also met.
Specifically, the first groove 11 and the second groove 12 extend in the same direction and communicate with each other, and the end of the second groove 12 away from the first groove 11 has a tapered portion 120. The blast furnace burden drops from the upper equipment to the first tank 11 of the blast furnace burden distribution chute, moves in the direction of the second tank 12, and finally flows into the blast furnace from the throat 120.
According to the blast furnace distribution chute, the shrinkage part 120 is arranged on the second chute body 12, so that the shrinkage part 120 can prevent the scattering phenomenon of mineral aggregate at the outlet end, and meanwhile, the distribution of the mineral aggregate in the chute body can be changed, so that the mineral aggregate can be gathered towards the center of the chute body, the positions of the mineral aggregate at the outlet end of the shrinkage part 120 of the distribution chute are basically the same and the blanking track is basically the same in different rotation directions, and the accuracy of the arrangement position of the mineral aggregate in the furnace throat is improved.
As shown in fig. 1, in some embodiments of the present utility model, a first wear assembly 14 is disposed within the first tank 11, and the first wear assembly 14 may receive mineral aggregate impact to reduce the wear of the first tank 11 during use. The first wear-resistant component 14 includes a first wear-resistant lining board 141, and the first wear-resistant lining board 141 is attached to an inner wall surface of the first groove 11. When the mineral aggregate moves against the inner wall surface of the first tank body 11, the first abrasion-resistant lining plate 141 can slow down the abrasion of the mineral aggregate to the inner wall surface of the first tank body 11, thereby prolonging the service life of the first tank body 11.
As shown in fig. 1 to 3, in some embodiments of the present utility model, the first wear assembly 14 further includes a plurality of first baffles 142, the first baffles 142 are connected to the first wear liner 141, and each first baffle 142 is located on a side of the first wear liner 141 facing away from the base 10, where the plurality of first baffles 142 are spaced along the extending direction of the first groove 11. The first baffles 142 form a buffer frame to bear the direct impact of mineral aggregate on the wear-resistant lining plate, and prolong the service life of the wear-resistant lining plate.
Of course, the structure of the first wear assembly 14 is not limited to that of the second wear assembly, and as shown in fig. 1 to 3, in other embodiments of the present utility model, the first wear assembly 14 further includes a plurality of second baffles 143, the second baffles 143 are connected to the first wear liner 141, and each second baffle 143 is located on a side of the first wear liner 141 facing away from the base 10, the second baffles 143 extend along the extending direction of the first groove 11, and the plurality of second baffles 143 are spaced apart in a direction perpendicular to the extending direction of the first groove 11. The first baffles 142 and the second baffles 143 form a buffer frame together, so that the structure is more stable, direct impact of mineral aggregate on the wear-resistant lining plate is born, and the service life of the wear-resistant lining plate is prolonged.
As shown in fig. 1, in some embodiments of the utility model, the first wear assembly 14 includes a wear plate 144, the wear plate 144 being disposed at the slot of the first channel 11, wherein the wear plate 144 may be secured at the slot by way of fasteners 16. The fastener 16 may be a bolt or screw, among others. In other embodiments of the present utility model, the wear plates 144 may also be secured to the notches by welding or riveting, etc. The first wear-resistant lining plate 141 is clamped between the wear-resistant pressing plate 144 and the base 10, and the first wear-resistant lining plate 141 is clamped on the base 10 by the wear-resistant pressing plate 144, or the first wear-resistant lining plate 141 can be fixed on the base 10 by bolts, welding, riveting or the like, so as to prevent the first wear-resistant lining plate 141 from falling off from the base 10.
As shown in fig. 1, 2 and 4, in some embodiments of the present utility model, a second wear assembly 15 is disposed in the second groove 12, where the second wear assembly 15 includes a second wear liner 151, and the second wear liner 151 is attached to an inner wall surface of the second groove 12. Specifically, as shown in fig. 1 and 2, the second abrasion-resistant lining plate 151 may be fixed to the inner wall surface of the second groove body 12 by fastening means 16, or may be fixed by welding, riveting, or the like. The second wear-resistant lining board 151 may be a smooth surface board body, or a wear-resistant board in a material-accumulating grid or box type, preferably a smooth surface wear-resistant lining board.
As shown in fig. 6, the second abrasion-resistant lining plate 151 is simultaneously disposed on the bottom wall of the second groove 12.
Of course, the arrangement of the second wear assembly 15 is not limited thereto, and in other embodiments of the present utility model, the second wear assembly 15 may also include a wear-resistant pressing plate 144, as with the first wear assembly 14, where the wear-resistant pressing plate 144 is disposed at the notch of the second groove 12 and includes the second wear-resistant lining plate 151.
As shown in fig. 1 to 3, in some embodiments of the present utility model, a dam 17 is provided at a notch of the second tank body 12, and the dam 17 is fixedly connected with the base 10. The arrangement of the baffle plate 17 can prevent mineral aggregate from splashing outside the tank body in the flowing process, so as to gather the mineral aggregate and further prevent the mineral aggregate from flowing and dispersing.
In some embodiments of the present utility model, as shown in fig. 3, the number of the baffles 17 is two, the notch of the second slot body 12 includes a first edge and a second edge that are disposed opposite to each other, one of the baffles 17 is located at the first edge, the other baffle 17 is located at the second edge, and the two baffles 17 are disposed opposite to the notch.
Wherein, the striker plate 17 can be integrally formed with a wear-resistant material. Of course, the structural arrangement of the dam 17 is not limited thereto, and as shown in fig. 7, in some embodiments of the present utility model, the dam 17 includes a base plate 171 and a wear layer 172 that are stacked, and the base plate 171 and the wear layer 172 are fixedly connected to the base 10. Wherein, the wear-resistant layer 172 is disposed towards the second tank body 12, when mineral aggregate enters the second tank body 12, the wear-resistant layer 172 can directly contact with the mineral aggregate in the second tank body 12, and the substrate 171 is disposed towards the outside of the second tank body 12, so as to bear the wear-resistant layer 172 and strengthen the structural strength of the striker plate 17.
As shown in fig. 1 to 3, in some embodiments of the present utility model, the base 10 is further provided with a pull plate 18, where the pull plate 18 is located at the pinch portion 120, and the pull plate 18 is fixedly connected to a notch edge of the second slot body 12, and is mainly used to enhance structural stability and structural rigidity of the second slot body 12. Wherein the pulling plate 18 can be fixed to the base 10 by the fastener 16; of course, the arrangement of the pull plate 18 is not limited thereto, and in other embodiments of the present utility model, the pull plate 18 may be integrally formed with the base 10.
In some embodiments of the present utility model, as shown in fig. 1, the first groove 11 is an arc groove and the second groove 12 is a square groove. The first tank 11 and the second tank 12 are integrally formed, and the integral forming may be welding, casting or other integral forming by a mold.
As shown in fig. 1 to 7, in operation, the blast furnace distribution chute provided by the utility model is characterized in that mineral aggregate falls into the first chute body 11 from the distributor, and impacts the first baffle 142, the second baffle 143 and the first wear-resistant lining plate 141. Along with the rotation of the blast furnace distribution chute, the mineral aggregate flows into the second chute body 12 from the first chute body 11 and flows to the shrinkage part 120, the shrinkage part 120 can prevent the divergence phenomenon of the mineral aggregate at the outlet end, and meanwhile, the distribution of the mineral aggregate in the chute body can be changed, so that the mineral aggregate is gathered towards the center of the chute body, the positions of the mineral aggregate at the outlet end of the distribution chute shrinkage part 120 are basically the same and the blanking track is basically the same in different rotation directions, and the accuracy of the arrangement position of the mineral aggregate in the furnace throat is improved.
It should be noted that, the technical solutions in the embodiments of the present utility model may be combined with each other, but the basis of the combination is based on the fact that those skilled in the art can realize the combination; when the combination of the technical solutions contradicts or cannot be realized, it should be considered that the combination of the technical solutions does not exist, i.e. does not fall within the scope of protection of the present utility model.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.
Claims (10)
1. A blast furnace distribution chute, comprising:
the base, be equipped with first cell body and second cell body on the base, first cell body with the second cell body extends and communicates along same direction, the second cell body is kept away from the tip of first cell body has the contract oral area.
2. The blast furnace distribution chute according to claim 1, wherein a first wear assembly is provided within the first chute body, the first wear assembly receiving mineral aggregate impact, the first wear assembly comprising:
the first wear-resistant lining plate is attached to the inner wall surface of the first groove body.
3. The blast furnace distribution chute according to claim 2, wherein said first wear assembly further comprises:
the first baffle plates are connected with the first wear-resistant lining plates, each first baffle plate is located at one side of the first wear-resistant lining plate, which faces away from the base, and the first baffle plates are arranged at intervals along the extending direction of the first groove body;
alternatively, the first wear assembly further comprises:
the second baffles are connected with the first wear-resistant lining plates, each second baffle is located on one side, away from the base, of the first wear-resistant lining plates, each second baffle extends along the extending direction of the first groove body, and the second baffles are distributed at intervals in the direction perpendicular to the extending direction of the first groove body.
4. The blast furnace distribution chute according to claim 2, wherein the first wear assembly comprises a wear-resistant platen disposed at a notch of the first trough body, and the first wear-resistant liner is disposed between the wear-resistant platen and the base.
5. The blast furnace distribution chute according to claim 1, wherein a second wear assembly is provided in the second chute body, the second wear assembly comprising:
the second wear-resistant lining plate is arranged on the inner wall surface of the second groove body.
6. The blast furnace distribution chute according to claim 5, wherein a dam is provided at the notch of the second chute body, and the dam is fixedly connected with the base.
7. The blast furnace distribution chute according to claim 6, wherein said dam is two, said notch of said second channel comprises a first edge and a second edge disposed opposite each other, one of said dam being located at said first edge and the other of said dam being located at said second edge.
8. The blast furnace distribution chute according to claim 6, wherein the dam plate comprises a base plate and a wear layer which are arranged in a stacked manner, the base plate and the wear layer are fixedly connected with the base, the wear layer faces into the second chute body, and the base plate faces out of the second chute body.
9. The blast furnace distribution chute according to claim 7, wherein a pulling plate is further provided on the base, the pulling plate is located at the necking portion, and the pulling plate is fixedly connected with the notch edge of the second tank body.
10. The blast furnace distribution chute according to any of claims 1 to 9, wherein said first trough body is a square, trapezoid or arc trough and said second trough body is a trapezoid, arc or square trough.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322323992.9U CN220618994U (en) | 2023-08-28 | 2023-08-28 | Blast furnace distributing chute |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322323992.9U CN220618994U (en) | 2023-08-28 | 2023-08-28 | Blast furnace distributing chute |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220618994U true CN220618994U (en) | 2024-03-19 |
Family
ID=90223671
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322323992.9U Active CN220618994U (en) | 2023-08-28 | 2023-08-28 | Blast furnace distributing chute |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220618994U (en) |
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2023
- 2023-08-28 CN CN202322323992.9U patent/CN220618994U/en active Active
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