CN220767052U - Foreign matter interception device for weighing hopper below blast furnace tank - Google Patents
Foreign matter interception device for weighing hopper below blast furnace tank Download PDFInfo
- Publication number
- CN220767052U CN220767052U CN202321949185.1U CN202321949185U CN220767052U CN 220767052 U CN220767052 U CN 220767052U CN 202321949185 U CN202321949185 U CN 202321949185U CN 220767052 U CN220767052 U CN 220767052U
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- interception
- bottom plate
- weighing hopper
- blast furnace
- foreign matter
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- 238000005303 weighing Methods 0.000 title claims abstract description 54
- 229910000831 Steel Inorganic materials 0.000 claims description 40
- 239000010959 steel Substances 0.000 claims description 40
- 230000000903 blocking effect Effects 0.000 claims 15
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 239000002994 raw material Substances 0.000 description 20
- 239000000463 material Substances 0.000 description 13
- 238000003466 welding Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Blast Furnaces (AREA)
Abstract
The utility model discloses a foreign matter interception device for a weighing hopper below a blast furnace tank, which comprises an interception bottom plate and an interception side plate, wherein the interception bottom plate is fixedly arranged on the interception bottom plate of the weighing hopper and provided with a plurality of interception channels; the device has the advantages of effectively intercepting foreign matters, protecting the subsequent belt and ensuring stable production of the blast furnace.
Description
Technical Field
The utility model relates to the technical field of foreign matter interception of weighing hoppers, in particular to a foreign matter interception device for a weighing hopper below a blast furnace tank.
Background
The conveyor is used for conveying the blast furnace raw materials to a storage bin of the factory through a raw material factory, the raw materials entering the storage bin are screened through a vibrating screen to meet production requirements and then enter a weighing hopper, and the raw materials are set according to the batch, are fed to a batching belt in a timing and quantitative mode and enter the blast furnace for smelting. However, the existing weighing hopper has the defects that foreign matters are mixed in materials from a raw material factory, and the belt is scratched during the process of transferring the foreign matters into the furnace through the belt conveyor after the foreign matters enter the weighing hopper, so that the furnace is necessarily shut down once the belt is scratched, and great production and potential safety hazards are caused, so that raw materials smelted by a non-blast furnace need to be prevented from entering the belt conveyor through the weighing hopper.
Therefore, the foreign matter interception device for the weighing hopper below the blast furnace tank can solve the problems.
Disclosure of Invention
The utility model aims to solve the technical problems that in the prior art, materials from a raw material factory are mixed with foreign matters sometimes, and after entering a weighing hopper, some foreign matters scratch a belt on the way of being transported into a furnace through a belt conveyor, and once the belt is scratched, a blast furnace is shut down to cause great production and potential safety hazards, so that the foreign matter interception device for the weighing hopper below a blast furnace tank is provided, and the foreign matter interception device for the weighing hopper below the blast furnace tank comprises:
the vibration sieve comprises an interception bottom plate and an interception side plate, wherein the interception bottom plate is fixedly arranged on the weighing hopper, a plurality of interception channels are formed in the interception bottom plate, the interception side plate is fixedly arranged on one side of the interception bottom plate, the interception side plate is opposite to the vibration sieve, and the interception bottom plate comprises a steel plate layer and a wear-resisting layer deposited on the outer side of the steel plate layer.
Further, the interception side plate structure is the same as the interception bottom plate structure and comprises a steel plate layer and a wear-resistant layer overlaying the outer side of the steel plate layer.
Further, the steel plate layer is a Q235B steel plate.
Further, the wear-resistant layer is made of steel with Cr of more than 35%.
Further, the interception channel is a cuboid channel with a square bottom surface, and the side length of the bottom surface is 200mm.
Further, both sides of the interception bottom plate are welded with the weighing hoppers, and the interception side plates are welded with the interception bottom plate.
Further, both sides of interception bottom plate with the welding of weighing hopper, interception curb plate with interception bottom plate integrated into one piece.
The implementation of the utility model has the following beneficial effects:
1. the interception bottom plate and the interception side plate adopt a two-layer structure, can bear larger impact force, have longer service life, and can ensure that intercepted foreign matters cannot be washed by materials and fall into the weighing hopper, so that the subsequent belt is protected, and the stable production of the blast furnace is ensured.
Drawings
FIG. 1 is a block diagram of the present utility model;
FIG. 2 is a side view of an interception bottom panel and an interception side panel of the present utility model;
FIG. 3 is a top view of an intercepting floor of the present utility model;
FIG. 4 is a block diagram of a steel plate layer and a wear layer of the present utility model;
the device comprises a 1-vibrating screen, a 2-weighing hopper, a 3-interception bottom plate, 4-foreign matters, 5-blast furnace raw materials, a 6-steel plate layer, a 7-wear-resistant layer, 8-interception side plates and 9-interception channels.
Description of the embodiments
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but 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.
Examples
Referring to fig. 1-4 of the specification, in the prior art, materials from a raw material factory may mix with foreign matters, and after some foreign matters enter a weighing hopper, the materials may scratch a belt during transferring into a furnace through a belt conveyor, and once the belt is scratched, a blast furnace must be shut down, so as to cause great production and potential safety hazards, so that a foreign matter interception device for a weighing hopper under a blast furnace tank is provided, and the foreign matter interception device for the weighing hopper under the blast furnace tank includes:
the interception bottom plate 3 and interception curb plate 8, interception bottom plate 3 fixed mounting has seted up a plurality of interception passageway 9 on the interception bottom plate 3 in the weighing hopper, interception curb plate 8 fixed mounting is in one side of interception bottom plate 3, interception curb plate 8 just set up the shale shaker, interception bottom plate 3 includes steel sheet layer 6 and build-up welding in the wearing layer 7 in the steel sheet layer 6 outside, interception bottom plate both sides welding is on weighing hopper, interception curb plate welding is on interception bottom plate.
The interception side plate 8 has the same structure as the interception bottom plate 3, and comprises a steel plate layer 6 and a wear-resistant layer 7 overlaying the outer side of the steel plate layer 6.
The steel plate layer 6 is a Q235B steel plate.
The wear-resistant layer 7 is made of steel with Cr more than 35 percent.
The interception channel 9 is a cuboid channel with a square bottom surface, and the side length of the bottom surface is 200mm.
As shown in fig. 1 and 2, the interception bottom plate 3 is installed at the middle upper part of the weighing hopper 2, the blast furnace raw material 5 passing through the screen of the vibrating screen 1 can pass through the interception channel 9 inside the interception bottom plate 3, if large sharp foreign matters 4 are mixed in the raw material, the foreign matters 4 can not fall into the weighing hopper 2 because the interception channel 9 inside the interception bottom plate 3 is 200mm in side length and 200mm in diameter, and the foreign matters 4 can not pass through the interception channel 9 and are blocked on the interception bottom plate 3.
As shown in fig. 3, the foreign matter 4 blocked on the interception bottom plate 3 is prevented from being flushed into the weighing hopper 2 when the material quantity is large, one side of the interception bottom plate 3 is heightened, and the interception side plate 8 can prevent the foreign matter 4 from being flushed into the weighing hopper 2 by the blast furnace raw material 5.
As shown in FIG. 4, because the blast furnace loading amount is large, in order to delay the service life of the interception bottom plate 3, the interception bottom plate is designed to be based on Q235B which is made of a steel plate layer 6, and the wear-resistant material is deposited, and the wear-resistant layer 7 is made of Cr35% or more, so that the service life of the interception bottom plate 3 can be greatly prolonged.
Examples
Referring to fig. 1, 2 and 4 of the specification, in the prior art, the material from the raw material factory may mix with the foreign matter, and some foreign matters may scratch the belt during the process of transferring into the furnace through the belt conveyor after entering the weighing hopper, once the belt is scratched, the furnace must be shut down, and thus cause great production and potential safety hazards, so that a foreign matter interception device for a weighing hopper under a blast furnace tank is provided, and the foreign matter interception device for a weighing hopper under a blast furnace tank includes:
the interception bottom plate 3 and interception curb plate 8, a plurality of interception passageway 9 have been seted up on the weighing hopper interception bottom plate 3 to interception bottom plate 3 fixed mounting, interception curb plate 8 fixed mounting is in one side of interception bottom plate 3, interception curb plate 8 just set up to the shale shaker, interception bottom plate 3 includes steel sheet layer 6 and build-up welding in the wearing layer 7 in the steel sheet layer 6 outside, interception bottom plate both sides welding is on weighing hopper, interception curb plate welding is on interception bottom plate.
The interception side plate 8 has the same structure as the interception bottom plate 3, and comprises a steel plate layer 6 and a wear-resistant layer 7 overlaying the outer side of the steel plate layer 6.
The steel plate layer 6 is a Q235B steel plate.
The wear-resistant layer 7 is made of steel with Cr more than 35 percent.
The interception channel 9 is a cylindrical channel, and the bottom surface diameter is 200mm.
As shown in fig. 1 and 2, the interception bottom plate 3 is installed at the middle upper part of the weighing hopper 2, the blast furnace raw material 5 passing through the screen of the vibrating screen 1 can pass through the interception channel 9 inside the interception bottom plate 3, if large sharp foreign matters 4 are mixed in the raw material, the foreign matters 4 can not fall into the weighing hopper 2 on the basis that the diameter of the bottom surface of the interception channel 9 inside the interception bottom plate 3 is 200mm by 200mm, and the foreign matters 4 can not pass through the interception channel 9 and are blocked on the interception bottom plate 3.
As shown in fig. 3, the foreign matter 4 blocked on the interception bottom plate 3 is prevented from being flushed into the weighing hopper 2 when the material quantity is large, one side of the interception bottom plate 3 is heightened, and the interception side plate 8 can prevent the foreign matter 4 from being flushed into the weighing hopper 2 by the blast furnace raw material 5.
As shown in FIG. 4, because the blast furnace loading amount is large, in order to delay the service life of the interception bottom plate 3, the interception bottom plate is designed to be based on Q235B which is made of a steel plate layer 6, and the wear-resistant material is deposited, and the wear-resistant layer 7 is made of Cr35% or more, so that the service life of the interception bottom plate 3 can be greatly prolonged.
Examples
Referring to fig. 1, 2 and 4 of the specification, in the prior art, the material from the raw material factory may mix with the foreign matter, and some foreign matters may scratch the belt during the process of transferring into the furnace through the belt conveyor after entering the weighing hopper, once the belt is scratched, the furnace must be shut down, and thus cause great production and potential safety hazards, so that a foreign matter interception device for a weighing hopper under a blast furnace tank is provided, and the foreign matter interception device for a weighing hopper under a blast furnace tank includes:
the interception bottom plate 3 and interception curb plate 8, a plurality of interception passageway 9 have been seted up on the weighing hopper interception bottom plate 3 to interception bottom plate 3 fixed mounting, interception curb plate 8 fixed mounting is in one side of interception bottom plate 3, interception curb plate 8 just set up to the shale shaker, interception bottom plate 3 includes steel sheet layer 6 and build-up welding in the wearing layer 7 in the steel sheet layer 6 outside, interception bottom plate both sides welding is on weighing hopper, interception curb plate and interception bottom plate integrated into one piece.
The interception side plate 8 has the same structure as the interception bottom plate 3, and comprises a steel plate layer 6 and a wear-resistant layer 7 overlaying the outer side of the steel plate layer 6.
The steel plate layer 6 is a Q235B steel plate.
The wear-resistant layer 7 is made of steel with Cr more than 35 percent.
The interception channel 9 is a cylindrical channel, and the bottom surface diameter is 200mm.
As shown in fig. 1 and 2, the interception bottom plate 3 is installed at the middle upper part of the weighing hopper 2, the blast furnace raw material 5 passing through the screen of the vibrating screen 1 can pass through the interception channel 9 inside the interception bottom plate 3, if large sharp foreign matters 4 are mixed in the raw material, the foreign matters 4 can not fall into the weighing hopper 2 on the basis that the diameter of the bottom surface of the interception channel 9 inside the interception bottom plate 3 is 200mm by 200mm, and the foreign matters 4 can not pass through the interception channel 9 and are blocked on the interception bottom plate 3.
As shown in fig. 3, the foreign matter 4 blocked on the interception bottom plate 3 is prevented from being flushed into the weighing hopper 2 when the material quantity is large, one side of the interception bottom plate 3 is heightened, and the interception side plate 8 can prevent the foreign matter 4 from being flushed into the weighing hopper 2 by the blast furnace raw material 5.
As shown in FIG. 4, because the blast furnace loading amount is large, in order to delay the service life of the interception bottom plate 3, the interception bottom plate is designed to be based on Q235B which is made of a steel plate layer 6, and the wear-resistant material is deposited, and the wear-resistant layer 7 is made of Cr35% or more, so that the service life of the interception bottom plate 3 can be greatly prolonged.
In the description of the present utility model, it should be understood that the terms "coaxial," "bottom," "one end," "top," "middle," "another end," "upper," "one side," "top," "inner," "front," "center," "two ends," etc. indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "configured," "connected," "secured," "screwed," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms described above in this application will be understood by those of ordinary skill in the art in view of the specific circumstances.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein 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. Foreign matter interception device for weighing hopper under blast furnace tank, fixed mounting is in the weighing hopper to the shale shaker setting, its characterized in that includes: the vibration sieve comprises an interception bottom plate and an interception side plate, wherein the interception bottom plate is fixedly arranged on the weighing hopper, a plurality of interception channels are formed in the interception bottom plate, the interception side plate is fixedly arranged on one side of the interception bottom plate, the interception side plate is opposite to the vibration sieve, and the interception bottom plate comprises a steel plate layer and a wear-resisting layer deposited on the outer side of the steel plate layer.
2. The foreign matter blocking device for a blast furnace under-trough weighing hopper according to claim 1, wherein the blocking side plate has the same structure as the blocking bottom plate and comprises a steel plate layer and a wear-resistant layer overlaying the outer side of the steel plate layer.
3. The foreign matter blocking device for a blast furnace under-trough weighing hopper according to claim 2, wherein: the steel plate layer is a Q235B steel plate.
4. The foreign matter blocking device for a blast furnace under-trough weighing hopper according to claim 3, wherein: the wear-resistant layer is made of steel with Cr of more than 35%.
5. The foreign matter blocking device for a blast furnace under-trough weighing hopper according to claim 4, wherein: the interception channel is a cuboid channel with a square bottom surface, and the side length of the bottom surface is 200mm.
6. The foreign matter blocking device for a blast furnace under-trough weighing hopper according to claim 4, wherein: the diameter of the bottom surface of the interception channel is 200mm.
7. The foreign matter blocking device for a blast furnace under-tank scale hopper according to any one of claims 5 and 6, wherein both sides of the blocking bottom plate are welded to the scale hopper, and the blocking side plates are welded to the blocking bottom plate.
8. The foreign matter blocking device for a blast furnace under-tank scale hopper according to any one of claims 5 and 6, wherein both sides of the blocking bottom plate are welded to the scale hopper, and the blocking side plates and the blocking bottom plate are integrally formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321949185.1U CN220767052U (en) | 2023-07-24 | 2023-07-24 | Foreign matter interception device for weighing hopper below blast furnace tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321949185.1U CN220767052U (en) | 2023-07-24 | 2023-07-24 | Foreign matter interception device for weighing hopper below blast furnace tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220767052U true CN220767052U (en) | 2024-04-12 |
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ID=90597551
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321949185.1U Active CN220767052U (en) | 2023-07-24 | 2023-07-24 | Foreign matter interception device for weighing hopper below blast furnace tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220767052U (en) |
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2023
- 2023-07-24 CN CN202321949185.1U patent/CN220767052U/en active Active
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