CN219730968U - Wear-resistant corrosion-resistant slag runner for metallurgy - Google Patents
Wear-resistant corrosion-resistant slag runner for metallurgy Download PDFInfo
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- CN219730968U CN219730968U CN202321033323.1U CN202321033323U CN219730968U CN 219730968 U CN219730968 U CN 219730968U CN 202321033323 U CN202321033323 U CN 202321033323U CN 219730968 U CN219730968 U CN 219730968U
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- wear
- resistant
- slag runner
- slag
- corrosion
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- 239000002893 slag Substances 0.000 title claims abstract description 94
- 238000005260 corrosion Methods 0.000 title claims abstract description 21
- 230000007797 corrosion Effects 0.000 title claims abstract description 21
- 238000005272 metallurgy Methods 0.000 title abstract description 7
- 239000000919 ceramic Substances 0.000 claims abstract description 30
- 239000000463 material Substances 0.000 claims description 10
- 239000000498 cooling water Substances 0.000 claims description 9
- 230000003139 buffering effect Effects 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 229910001018 Cast iron Inorganic materials 0.000 claims description 3
- 229910052804 chromium Inorganic materials 0.000 claims description 3
- 239000011651 chromium Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 238000011010 flushing procedure Methods 0.000 description 5
- 238000005299 abrasion Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 239000002253 acid Substances 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000009991 scouring Methods 0.000 description 2
- 229910001208 Crucible steel Inorganic materials 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model discloses a wear-resistant and corrosion-resistant slag runner for metallurgy, which relates to the technical field of metallurgy and comprises the following components: a slag runner body; the wear-resistant layer is fixedly connected to the inner surface of the slag runner body; the ceramic patch is fixedly connected to the inner surface of the wear-resistant layer; the wear-resisting block is fixedly arranged at the bottom of the inner surface of the ceramic patch, the cross section of the wear-resisting block is crescent, the middle is thick and the two sides are thin, and the bottom of the wear-resisting block is attached to the inner surface of the ceramic patch; the buffer device is fixedly arranged at the ditch head of the slag ditch body. The wear-resistant layer, the ceramic patch and the buffer device are arranged, so that the problems that impact force on a slag runner is large, lining of the slag runner is easy to wear and overhaul workload is large in the slag falling process are solved.
Description
Technical Field
The utility model relates to the technical field of metallurgy, in particular to a wear-resistant and corrosion-resistant slag runner for metallurgy.
Background
In the field of metallurgical production, the temperature of blast furnace slag is up to 1100 ℃, the drop between a slag outlet and the bottom of a slag runner reaches 3-4 meters, the flow rate of water and slag in the slag runner is high, a large amount of steam is generated after the slag contacts with the water, the water slag is severely worn and washed out the lining, a conventional lining plate is a cast steel lining plate, the conventional lining plate is replaced once a half year, the normal use of the slag runner is seriously influenced, the production of the blast furnace is restricted, the time and the labor are wasted, and the overhaul workload is increased.
Disclosure of Invention
The utility model mainly aims to provide the wear-resistant and corrosion-resistant slag runner for metallurgy, and the wear-resistant layer and the ceramic patch are arranged, so that the high-strength ceramic wear-resistant material and the ceramic patch have excellent wear resistance, corrosion resistance and heat resistance, the environment compatibility is good, and the impact force on the slag runner in the slag falling process is reduced by arranging the buffer device, so that the problems in the background technology can be effectively solved.
In order to achieve the above object, the present utility model provides a metallurgical wear-resistant and corrosion-resistant slag runner, comprising:
-a slag runner body;
-a wear layer fixedly attached to the inner surface of the slag runner body;
-a ceramic patch fixedly attached to the inner surface of the wear-resistant layer;
the wear-resistant block is fixedly arranged at the bottom of the inner surface of the ceramic patch, the cross section of the wear-resistant block is crescent, the middle of the wear-resistant block is thick, and the two sides of the wear-resistant block are thin, and the bottom of the wear-resistant block is attached to the inner surface of the ceramic patch;
-a buffer device fixedly mounted at the slag runner body runner head.
On the basis of the technical scheme, the utility model can be improved as follows.
Further, the metallurgical wear-resistant corrosion-resistant slag runner also comprises a cooling water pipe, wherein the cooling water pipe is arranged at the top end of the inner wall of one side of the slag runner body, which is close to the slag runner body, at the slag runner head.
Further, the buffer device comprises a first buffer step and a second buffer step, the first buffer step is higher than the second buffer step, and the first buffer step is arranged at one end close to the slag runner body runner head.
Further, the slag runner body is made of thick steel plates and is semi-circular arc.
Further, the wear-resistant layer is high-strength ceramic wear-resistant material.
Further, the wear-resistant block is made of high-chromium wear-resistant cast iron material.
The beneficial effects of the utility model are as follows: the utility model provides a metallurgical wear-resistant corrosion-resistant slag runner, which has the following advantages:
1. according to the utility model, the wear-resistant layer and the ceramic patch are arranged, so that the high-strength ceramic wear-resistant material and the ceramic patch have excellent wear resistance, corrosion resistance and heat resistance, and good environmental compatibility, so that the slag runner has good acid-base resistance, can not react with corrosive slag, and only needs to replace a local ceramic patch after wear, thereby solving the problems of easy wear of the lining of the existing slag runner, large overhaul workload and large lining plate consumption.
2. According to the utility model, the buffer device is arranged, so that the impact force on the slag runner in the slag falling process is reduced, the impact resistance of the slag runner is enhanced, and the flow velocity of slag in the slag runner is slowed down.
The foregoing description is only an overview of the present utility model, and is intended to provide a better understanding of the present utility model, as it is embodied in the following description, with reference to the preferred embodiments of the present utility model and the accompanying drawings. Specific embodiments of the present utility model are given in detail by the following examples and the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:
FIG. 1 is a schematic diagram of a front view structure of a metallurgical wear-resistant and corrosion-resistant slag runner according to the present utility model.
FIG. 2 is a schematic structural view of a buffering device for a metallurgical wear-resistant and corrosion-resistant slag runner.
In the figure: 1. a slag runner body; 2. a wear-resistant layer; 3. a ceramic patch; 4. a wear block; 5. a cooling water pipe; 6. a first buffer step; 7. and a second buffer step.
Detailed Description
The principles and features of the present utility model are described below with reference to fig. 1-2, the examples being provided for illustration only and not for limitation of the scope of the utility model. The utility model is more particularly described by way of example in the following paragraphs with reference to the drawings. Advantages and features of the utility model will become more apparent from the following description and from the claims. It should be noted that the drawings are in a very simplified form and are all to a non-precise scale, merely for convenience and clarity in aiding in the description of embodiments of the utility model.
It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When a component is considered to be "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
As shown in fig. 1-2, the present utility model provides a metallurgical wear-resistant and corrosion-resistant slag runner comprising:
the slag runner body 1 is formed by adopting 16mm thick steel plate blanking, rolling and rounding welding, blanking is 2172 mm in size, then double-side effective support is made inside, waste steel plates are used for welding mask plates at two ends of a pipe to further support, finally two half cutting separation is carried out, the slag runner body 1 is made to be a half arc, bottom wires and surface wire wear-resistant layers are welded on the inner surface of the half arc, so that the slag runner body 1 is prevented from deforming, the welding area is 270mm in height range, dismantling is carried out during field installation, steel plates at two ends of the arc of the slag runner body 1 are cut off during field installation, and the cutting sizes of the two ends are 76 mm in size;
the wear-resistant layer 2 is fixedly connected to the inner surface of the slag runner body 1, the wear-resistant layer 2 is high-strength ceramic wear-resistant material, the coating range of the wear-resistant layer 2 is 270mm high in the arc inner surface area of the slag runner body 1, the high-strength ceramic wear-resistant material has good acid and alkali resistance, does not react with corrosive slag, has small wear loss and strong impact resistance, is easy to repair, and solves the problems that the existing slag runner lining is easy to wear, the overhaul workload is large and the lining plate consumption is large;
the ceramic patch 3 is fixedly connected to the inner surface of the wear-resistant layer 2 through cement, the range of the ceramic patch 3 is 270mm high in the arc inner surface area of the wear-resistant layer 2, the ceramic patch 3 has excellent wear resistance, corrosion resistance and heat resistance, good environmental compatibility and no reaction with a medium, and only the local ceramic patch 3 needs to be replaced after the ceramic patch is worn, so that the problem that the lining of a slag flushing ditch is easy to wear is solved, and the overall maintenance cost is reduced;
the wear-resistant block 4 is made of high-chromium wear-resistant cast iron material, has good acid and alkali resistance, can not react with corrosive slag, is fixedly arranged at the bottom of the inner surface of the ceramic patch 3, the cross section of the wear-resistant block 4 is crescent-shaped, the middle is thick and the two sides are thin, the bottom of the wear-resistant block 4 is attached to the inner surface of the ceramic patch 3, and when the slag flushing ditch is in use, the worn part is mainly concentrated at the bottom, and when the bottom of the slag flushing ditch is worn, only the bottom wear-resistant block 4 is needed to be replaced, so that the phenomenon that the slag flushing ditch is easy to crack and wear is solved, and the service life of the slag flushing ditch is prolonged;
the buffer device is fixedly arranged at the ditch head of the slag ditch body 1 and comprises a first buffer step 6 and a second buffer step 7, the first buffer step 6 is higher than the second buffer step 7, the first buffer step 6 is arranged at one end close to the ditch head of the slag ditch body 1, the drop between a slag hole and the ditch bottom reaches 3-4 meters, and the arrangement of the buffer device reduces the impact force to the slag ditch in the slag dropping process and enhances the impact resistance of the slag ditch;
the cooling water pipe 5, the cooling water pipe 5 sets up in slag runner body 1 and is close to slag runner body 1 ditch head department one side inner wall top, and external water source is connected to cooling water pipe 5, opens external water source in the slag runner use, and rivers play the scouring effect to the slag, and cool down the slag.
The working principle is as follows:
slag enters the slag runner from the slag runner head, the buffer device weakens impact force of the slag to the slag runner in the falling process, an external water source is started in the use process of the slag runner, then the cooling water pipe 5 discharges water, the water flow has scouring and cooling effects on the slag, the wear-resisting layer 2 and the ceramic patch 3 protect the slag runner body 1 from corrosion, wear loss is reduced, the wear-resisting blocks 4 reduce abrasion of the bottom of the slag runner, only the bottom wear-resisting blocks 4 need to be replaced after abrasion, the phenomena of easy cracking and easy abrasion of the slag runner are solved, and the service life of the slag runner is prolonged.
The above description is only of the preferred embodiments of the present utility model, and is not intended to limit the present utility model in any way; those skilled in the art will readily appreciate that the present utility model may be implemented as shown in the drawings and described above; however, those skilled in the art will appreciate that many modifications, adaptations, and variations of the present utility model are possible in light of the above teachings without departing from the scope of the utility model; meanwhile, any equivalent changes, modifications and evolution of the above embodiments according to the essential technology of the present utility model still fall within the scope of the present utility model.
Claims (6)
1. A metallurgical wear-resistant and corrosion-resistant slag runner, comprising:
-a slag runner body (1);
-a wear layer (2) fixedly connected to the inner surface of the slag runner body (1);
-a ceramic patch (3) fixedly attached to the inner surface of the wear layer (2);
the wear-resistant block (4) is fixedly arranged at the bottom of the inner surface of the ceramic patch (3), the cross section of the wear-resistant block (4) is crescent, the middle is thick and the two sides are thin, and the bottom of the wear-resistant block (4) is attached to the inner surface of the ceramic patch (3);
-a buffer device fixedly mounted at the slag runner head of the slag runner body (1).
2. The metallurgical wear-resistant and corrosion-resistant slag runner according to claim 1, further comprising a cooling water pipe (5), wherein the cooling water pipe (5) is arranged at the top end of the inner wall of the slag runner body (1) on one side close to the runner head of the slag runner body (1).
3. The metallurgical wear-resistant and corrosion-resistant slag runner according to claim 1, characterized in that the buffering means comprises a first buffering step (6) and a second buffering step (7), the first buffering step (6) is higher than the second buffering step (7), and the first buffering step (6) is arranged at one end close to the runner head of the slag runner body (1).
4. The metallurgical wear-resistant and corrosion-resistant slag runner according to claim 1, wherein the slag runner body (1) is a thick steel plate material and is semi-circular.
5. The metallurgical wear-resistant and corrosion-resistant slag runner according to claim 1, characterized in that the wear-resistant layer (2) is a high-strength ceramic wear-resistant material.
6. A metallurgical wear-resistant and corrosion-resistant slag runner according to claim 1, characterized in that the wear-resistant block (4) is a high-chromium wear-resistant cast iron material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321033323.1U CN219730968U (en) | 2023-04-28 | 2023-04-28 | Wear-resistant corrosion-resistant slag runner for metallurgy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321033323.1U CN219730968U (en) | 2023-04-28 | 2023-04-28 | Wear-resistant corrosion-resistant slag runner for metallurgy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219730968U true CN219730968U (en) | 2023-09-22 |
Family
ID=88029447
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321033323.1U Active CN219730968U (en) | 2023-04-28 | 2023-04-28 | Wear-resistant corrosion-resistant slag runner for metallurgy |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219730968U (en) |
-
2023
- 2023-04-28 CN CN202321033323.1U patent/CN219730968U/en active Active
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