CN210134130U - Scrap steel adding device and operating system for blast furnace casting house - Google Patents
Scrap steel adding device and operating system for blast furnace casting house Download PDFInfo
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- CN210134130U CN210134130U CN201822209150.XU CN201822209150U CN210134130U CN 210134130 U CN210134130 U CN 210134130U CN 201822209150 U CN201822209150 U CN 201822209150U CN 210134130 U CN210134130 U CN 210134130U
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- blast furnace
- chute
- opening
- stove top
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Abstract
The utility model discloses a be used for blast furnace casting house to add steel scrap device and operating system, be used for blast furnace casting house to add the steel scrap device and include chute and mount, on the chute was fixed in the mount, the chute was and leaks hopper-shaped, and the bottom of chute has square feed opening. Contain above-mentioned operating system that is used for blast furnace casting field to add steel scrap device, including blast furnace stove top, stove top closing plate, iron runner swing stem bar and hot metal bottle, iron runner swing stem bar is located blast furnace stove top below, and the hot metal bottle is located iron runner swing stem bar below, and the stove top closing plate is located iron runner swing stem bar top and sealed blast furnace stove top, and the mount is placed in stove top closing plate top, and the stove top closing plate has the opening, and the feed opening is located the open-ended directly over, and easy operation utilizes the waste heat of molten iron to wash the steel scrap, increases the molten iron output while rational utilization resource, reduce cost.
Description
Technical Field
The utility model relates to a technical field is smelted to the steel scrap, in particular to is used for blast furnace casting house to add steel scrap device and operating system.
Background
At present, the physical heat in the molten iron produced by a blast furnace of an iron and steel enterprise is abundant, a large amount of heat is surplus after a proper amount of scrap steel is added during steel making production, and in order to avoid resource waste, a proper amount of scrap steel is generally added into a molten iron tank of a blast furnace casting yard of an iron making plant, the scrap steel is flushed by utilizing the impulsive force of the molten iron flowing into the molten iron tank, the cost of ton iron of the molten iron in the iron making plant is reduced while the resources are utilized, and the yield of the molten iron is increased.
However, most of the existing methods for adding waste into the hot metal ladle are complex, the investment is large (for example, a method for adding waste steel briquettes into an empty hot metal ladle by using a steel grabbing machine), the operation is complex, corresponding plants must be built, the steel grabbing machine and other corresponding equipment must be purchased, more manpower resources are required to be added, and the production cost is increased.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's is not enough, provides a be used for blast furnace casting house to add steel scrap device, simple structure only needs alone can operate and add the steel scrap, and is with low costs, need not too much human resources and drops into and a large amount of place construction and equipment input.
Another object of the utility model is to provide an operating system who contains above-mentioned be used for blast furnace casting house to add steel scrap device.
The technical scheme of the utility model is that: the utility model provides a be used for blast furnace casting house to add steel scrap device, includes chute and mount, on the chute was fixed in the mount, the chute was hourglass hopper-shaped, and the bottom of chute has square feed opening, ensures that length 20cm below the steel scrap pours into the chute after, can flow into the hot metal bottle of lower part smoothly.
Furthermore, the area of the feed opening is 0.12-0.16 square meters.
Further, the chute still includes the material way, and the material is said and is located the chute bottom, and the material is said and is hollow pipeline and communicates with the feed opening.
Contain above-mentioned operating system that is used for blast furnace casting field to add steel scrap device, including blast furnace stove top, stove top closing plate, iron runner swing stem bar and hot metal bottle, iron runner swing stem bar is located blast furnace stove top below, and the hot metal bottle is located iron runner swing stem bar below, and the stove top closing plate is located iron runner swing stem bar top and sealed blast furnace stove top, and the mount is placed in stove top closing plate top, and the stove top closing plate has the opening, and the feed opening is located directly over the open-ended.
Furthermore, the horizontal projection of the opening is overlapped with the horizontal projection of the mouth of the molten iron tank, so that the scrap steel can accurately flow into the molten iron tank from the opening.
Furthermore, the material channel penetrates through the opening and downwards exceeds the opening by 1.2-1.5m, so that the waste steel is prevented from being scattered on the sealing plate of the furnace platform in the process of flowing into the opening from the chute.
Further, the hearth sealing plate further comprises a cover plate, the cover plate is located on one side of the opening, the cover plate is pivoted to the hearth sealing plate, the cover plate can seal the opening when no scrap steel is added, the hearth is sealed and does not emit dust, the hearth is smooth, and safety of staff on the hearth is guaranteed.
Further, still include that the open-ended area is greater than the area of feed opening, the jar mouth area of hot metal bottle is greater than the open-ended area, ensures that the scrap steel flows to the open-ended in-process from the feed opening and does not leak outward, flows to the in-process of hot metal bottle from the opening and does not expose, guarantees that the casting house environment is clean and tidy.
The method for adding the scrap steel for the blast furnace cast house scrap steel adding device comprises the steps of hoisting a charging bowl filled with the scrap steel above a fixing frame by using an original blast furnace cast house crane, pouring the scrap steel into a chute, enabling the scrap steel to flow into a molten iron tank through a feed opening, discharging molten iron on a blast furnace, discharging the molten iron into the molten iron tank through a molten iron ditch swinging nozzle, and utilizing the waste heat of the molten iron to scour the scrap steel, so that the yield of the molten iron is increased, resources are reasonably utilized, and the cost is reduced.
Compared with the prior art, the utility model, following beneficial effect has:
the utility model discloses a be used for blast furnace casting house to add the steel scrap device, compare current device that adds the steel scrap, this device simple structure does not need many people to operate, practices thrift cost and manpower.
Contain the utility model discloses the operating system of device, easy operation utilizes the waste heat of molten iron to dash the steel scrap, increases the simultaneous rational utilization resource of molten iron output, reduce cost.
Drawings
Fig. 1 is a top view of the device of the present invention.
Fig. 2 is a front view of the device of the present invention.
Fig. 3 is a right side view of the device of the present invention.
Fig. 4 is a schematic structural diagram of an operating system in embodiment 1 of the present invention.
Fig. 5 is a schematic structural diagram of an operating system in embodiment 2 of the present invention.
Detailed Description
The present invention will be described in further detail with reference to examples, but the present invention is not limited thereto.
Example 1
As shown in fig. 1, fig. 2 and fig. 3, the device for adding steel scrap in a blast furnace casting house in the embodiment comprises a chute 1 and a fixing frame 2, wherein the chute is fixed on the fixing frame and is funnel-shaped, a square discharging opening 3 is arranged at the bottom of the chute, the area of the discharging opening is 0.16 square meter, and specifically, the discharging opening is a square discharging opening with the side length of 0.4 m.
As shown in figure 4, contain the operating system who is used for blast furnace casting ground to add steel scrap device above, including blast furnace stove top 4, stove top closing plate 5, iron runner swing stem bar and hot metal bottle 6, iron runner swing stem bar is located blast furnace stove top below, and the hot metal bottle is located iron runner swing stem bar below, and the stove top closing plate is located iron runner swing stem bar top and sealed blast furnace stove top, and the mount is placed in stove top closing plate top, and the stove top closing plate has opening 7, and the feed opening is located the open-ended directly over, pours the steel scrap into the chute, and the steel scrap flows into the molten iron jar from the feed opening through the opening, and the molten iron is poured into the molten iron jar to the iron runner swing stem bar simultaneously and is washed the steel scrap.
The horizontal projection of the opening is overlapped with the horizontal projection of the mouth of the hot-metal ladle, the cover plate is positioned on one side of the opening, the cover plate is pivoted on a sealing plate of the furnace platform, the opening can be sealed by the cover plate when no scrap steel is added, the furnace platform is ensured to be sealed and not to emit dust, the furnace platform is smooth, and the safety of workers on the furnace platform is ensured; the feed opening is located directly over the opening, and the open-ended area is greater than the area of feed opening, and the jar mouthful area of hot-metal bottle is greater than the open-ended area.
Two transportation tracks are arranged below the molten iron groove swinging flow nozzle, the transportation tracks are arranged below the molten iron groove, the molten iron groove transports molten iron along the transportation tracks, and the molten iron groove swinging flow nozzle can discharge molten iron to molten iron on any one transportation track.
The method for adding the scrap steel comprises the steps of hoisting a charging bowl filled with the scrap steel to the upper part of a fixed frame by using an original blast furnace cast house crane, pouring the scrap steel into a chute, enabling the scrap steel to flow into a molten iron tank through a discharging port and an opening, discharging molten iron through a blast furnace, discharging the molten iron into the molten iron tank through a molten iron ditch swinging nozzle, and utilizing the waste heat of the molten iron to flush the scrap steel, thereby increasing the yield of the molten iron, reasonably utilizing resources and reducing the cost.
Example 2
The difference between the embodiment and the embodiment 1 is that as shown in fig. 5, the chute further comprises a material channel 8, the material channel is located at the bottom of the chute, the material channel is a hollow pipeline and is communicated with the feed opening, the material channel penetrates through an opening in the sealing plate of the furnace platform, and the material channel is downward beyond the opening by 1.2m, so that the situation that waste steel does not spill out in the process of flowing into the opening from the chute is ensured, and the cleanness of the sealing plate of the blast furnace is ensured.
As described above, the present invention can be realized well, and the above embodiments are only preferred embodiments of the present invention, and are not intended to limit the scope of the present invention; all equivalent changes and modifications made according to the present invention are intended to be covered by the scope of the claims of the present invention.
Claims (7)
1. The utility model provides an operating system for blast furnace casting field adds steel scrap device, a serial communication port, including blast furnace stove top, stove top closing plate, iron runner swing stem, hot-metal bottle and add the steel scrap device, including chute and mount with the steel scrap device, the chute is fixed in on the mount, and the chute is leaks hopper-shaped, and the bottom of chute has square feed opening, and iron runner swing stem is located blast furnace stove top below, and the hot-metal bottle is located iron runner swing stem below, and the stove top closing plate is located iron runner swing stem top and sealed blast furnace stove top, and the mount is placed in stove top closing plate top, and the stove top closing plate has the opening, and the feed opening is located directly over the open-ended.
2. The operating system for the scrap steel feeding device for the blast furnace cast house according to claim 1, wherein the area of the feed opening is 0.12 to 0.16 square meters.
3. The operating system for a blast furnace cast house scrap feeding apparatus according to claim 1, wherein the chute further comprises a material channel, the material channel being located at the bottom of the chute, the material channel being a hollow pipe and communicating with the feed opening.
4. The operating system for a blast furnace cast house scrap feeding apparatus according to claim 1, wherein the horizontal projection of the opening overlaps the horizontal projection of the ladle opening.
5. The operating system for a scrap feeding apparatus for a blast furnace tapping floor as claimed in claim 3, wherein the chute passes through the opening, the chute extending downwardly 1.2-1.5m beyond the opening.
6. The handling system for a blast furnace cast house scrap feeding apparatus in accordance with claim 1 wherein the hearth sealing plate further comprises a cover plate on one side of the opening, the cover plate being pivotally connected to the hearth sealing plate.
7. The operating system for the scrap feeding apparatus for the blast furnace tapping floor as claimed in claim 1, further comprising an opening area larger than the area of the feed opening, and a mouth area of the hot-metal ladle larger than the area of the opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822209150.XU CN210134130U (en) | 2018-12-26 | 2018-12-26 | Scrap steel adding device and operating system for blast furnace casting house |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822209150.XU CN210134130U (en) | 2018-12-26 | 2018-12-26 | Scrap steel adding device and operating system for blast furnace casting house |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210134130U true CN210134130U (en) | 2020-03-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822209150.XU Active CN210134130U (en) | 2018-12-26 | 2018-12-26 | Scrap steel adding device and operating system for blast furnace casting house |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210134130U (en) |
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2018
- 2018-12-26 CN CN201822209150.XU patent/CN210134130U/en active Active
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