CN111304385A - Blast furnace-converter production system based on hot metal ladle straddle carrier and operation method thereof - Google Patents
Blast furnace-converter production system based on hot metal ladle straddle carrier and operation method thereof Download PDFInfo
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- CN111304385A CN111304385A CN202010156868.6A CN202010156868A CN111304385A CN 111304385 A CN111304385 A CN 111304385A CN 202010156868 A CN202010156868 A CN 202010156868A CN 111304385 A CN111304385 A CN 111304385A
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- 239000002184 metal Substances 0.000 title claims abstract description 52
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 52
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims abstract description 16
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 84
- 239000010959 steel Substances 0.000 claims abstract description 84
- 238000009628 steelmaking Methods 0.000 claims abstract description 33
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 120
- 229910052742 iron Inorganic materials 0.000 claims description 60
- 230000007246 mechanism Effects 0.000 claims description 13
- 238000010079 rubber tapping Methods 0.000 claims description 7
- 239000004615 ingredient Substances 0.000 claims description 5
- 238000003723 Smelting Methods 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000011017 operating method Methods 0.000 claims 1
- 230000008569 process Effects 0.000 description 7
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 3
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Classifications
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B5/00—Making pig-iron in the blast furnace
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
- B22D41/005—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like with heating or cooling means
- B22D41/01—Heating means
- B22D41/015—Heating means with external heating, i.e. the heat source not being a part of the ladle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
- B22D41/12—Travelling ladles or similar containers; Cars for ladles
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/28—Manufacture of steel in the converter
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/56—Manufacture of steel by other methods
- C21C5/562—Manufacture of steel by other methods starting from scrap
- C21C5/565—Preheating of scrap
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C33/00—Making ferrous alloys
- C22C33/04—Making ferrous alloys by melting
- C22C33/06—Making ferrous alloys by melting using master alloys
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Carbon Steel Or Casting Steel Manufacturing (AREA)
Abstract
The invention relates to a blast furnace-converter production system based on a hot metal ladle straddle carrier and an operation method thereof. According to the invention, the scrap steel stockpiling and batching room is separately arranged, and the operation of the scrap steel transferring unit does not interfere with the operation of equipment such as a crown block of a steelmaking workshop, so that the adding speed and efficiency of the scrap steel are improved under the condition of not influencing the production operation of the existing converter; based on the running characteristic that the cross-over vehicle can walk in two directions without head traction, the scrap steel stockpiling and batching room is arranged behind the steelmaking workshop, so that the needed space is small, the layout is compact, and the site layout of the existing steelmaking workshop is not influenced.
Description
Technical Field
The invention belongs to the technical field of metallurgical equipment, and particularly relates to a blast furnace-converter production system based on a hot metal ladle straddle carrier and an operation method thereof.
Background
The blast furnace-converter process is a conventional process flow for smelting steel by using iron ore, the importance of effectively utilizing energy and reducing environmental pollution is increasingly remarkable under the condition of increasingly tense energy, and if more steel scraps can be utilized in the blast furnace-converter process, on one hand, the utilization rate of the steel scraps is greatly improved, on the other hand, a large amount of energy can be saved, the emission of harmful substances is reduced, and the process is undoubtedly an important way for promoting the energy conservation and emission reduction of the steel industry. At present, measures for improving the steel-making plant steel scrap ratio are as follows: the blast furnace adds the steel scrap, the tapping process adds the steel scrap (blast furnace casting field), the hot metal bottle adds the steel scrap and preheats, the steel scrap groove adds the steel scrap and preheats, adds the steel scrap and preheats after the stove, etc., wherein add the steel scrap in the hot metal bottle and be a simple efficient mode of adding, invest in lowly, efficient, can make full use of the heat of high temperature molten iron simultaneously and melt the steel scrap. The operation of adding scrap steel to a hot metal ladle is generally performed on site after the completion of hot metal charging in a steel plant, and thus the operation of equipment such as a crown block in the steel plant interferes with the operation of the equipment, and the production operation of a converter is affected.
Disclosure of Invention
The invention relates to a blast furnace-converter production system based on a hot metal ladle straddle carrier and an operation method thereof, which can at least solve part of defects in the prior art.
The invention relates to a blast furnace-converter production system based on a hot metal ladle straddle carrier, which comprises an iron-making workshop, a steel-making workshop, a hot metal transportation rail, the straddle carrier traveling on the hot metal transportation rail and a scrap steel stockpiling and batching room, wherein the hot metal transportation rail is sequentially connected with the iron-making workshop, the steel-making workshop and the scrap steel stockpiling and batching room in series, and a scrap steel transferring unit used for adding scrap steel into a hot metal tank is arranged in the scrap steel stockpiling and batching room.
In one embodiment, the molten iron transportation rail further has a scrap preheating node, and a preheating roaster is disposed at the scrap preheating node.
In one embodiment, the scrap preheating node is located between the ironmaking plant and the steelmaking plant.
As one embodiment, the preheating roaster comprises a roasting chamber and a combustion roasting mechanism arranged in the roasting chamber, and the molten iron conveying track passes through the roasting chamber.
As one embodiment, the combustion baking mechanism comprises a baking ladle cover suitable for covering the opening of the hot-metal ladle, and a ladle cover driving mechanism for driving the baking ladle cover to be close to or far away from the opening of the hot-metal ladle, wherein a burner is arranged on the baking ladle cover.
In one embodiment, the ladle cover driving mechanism comprises a winch and a transmission structure for lifting the roasting ladle cover, and the winch is arranged at the top of the roasting chamber.
In one embodiment, there are two sets of scrap stacking ingredients, and the two sets of scrap stacking ingredients are distributed on two sides of the molten iron transportation track.
In one embodiment, the scrap transportation unit includes a scrap disk crane, and the movement stroke of the scrap disk crane at least covers the scrap stacking ingredient room and the scrap adding node of the molten iron transportation track.
The invention also relates to an operation method of the blast furnace-converter production system based on the hot metal ladle straddle carrier, which comprises the following steps:
step one, receiving molten iron from an iron-making workshop through a straddle carrier, then running the molten iron to a steel-making workshop, and hoisting a molten iron tank to a converter through hoisting equipment in the steel-making workshop to perform iron mixing;
and step two, after the iron adding is finished, returning the empty hot metal tank to the cross-over vehicle.
Step three, the cross-over vehicle continues to move to a scrap steel adding node along the molten iron conveying track, and scrap steel in the scrap steel stockpiling and batching room is added into the empty molten iron tank through a scrap steel transferring unit;
and fourthly, the steel wire rope is moved to an iron-making workshop by a straddle carrier to wait for next tapping.
In one embodiment, in the fourth step, scrap steel in the hot metal ladle is preheated and then the skip car is moved to the iron making plant.
The invention has at least the following beneficial effects:
according to the blast furnace-converter production system provided by the invention, the scrap steel stockpiling and batching room is independently arranged, the scrap steel is added into the empty molten iron tank through the scrap steel transferring unit, and the operation of the scrap steel transferring unit does not interfere with the operation of equipment such as a crown block in a steelmaking workshop, so that the scrap steel adding speed and efficiency are improved under the condition of not influencing the production operation of the conventional converter. Based on the running characteristic that the cross-over vehicle can walk in two directions without head traction, the scrap steel stockpiling and batching room is arranged behind the steelmaking workshop, so that the needed space is small, the layout is compact, and the site layout of the existing steelmaking workshop is not influenced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic plan view of a blast furnace-converter production system based on a hot metal ladle straddle carrier according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a preheating roaster according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, an embodiment of the present invention provides a blast furnace-converter production system based on a hot metal ladle straddle carrier, including an iron making workshop 1, a steel making workshop 5, a hot metal transportation rail 2, a straddle carrier 3 traveling on the hot metal transportation rail 2, and a scrap stockpiling and batching room 6, where the hot metal transportation rail 2 is connected in series with the iron making workshop 1, the steel making workshop 5, and the scrap stockpiling and batching room 6 in sequence, and the scrap stockpiling and batching room 6 is configured with a scrap transfer unit 7 for adding scrap into a hot metal ladle 4.
One or more hot metal ladles 4 are arranged on the straddle carrier 3, the hot metal ladles 4 carry molten iron in the iron making workshop 1 along with the straddle carrier 3, and further move to the steel making workshop 5 along with the straddle carrier 3 for next smelting. The ironmaking plant 1 is generally a blast furnace ironmaking plant 1, and the steelmaking plant 5 is generally a converter steelmaking plant 5, but the process is not limited to this, and the examples are not intended to be illustrative. The straddle carrier 3 serves as molten iron transfer equipment, is provided with power equipment, and can walk on the molten iron conveying track 2 in a bidirectional self-driven manner; further preferably, the straddle carrier 3 is designed to adopt a double-drive configuration, when one group of driving devices fails, the other group of driving devices can still be driven at a low speed to complete 1 working cycle, and the straddle carrier is safe and reliable; the power supply system of the straddle carrier 3 is preferably a torque cable reel, and is mounted on the vehicle.
Referring to fig. 1, the molten iron transporting track 2 may be provided in a plurality of strips to meet the demand for continuous production and to coordinate the production pace between the iron-making plant 1 and the steel-making plant 5.
The scrap stockpiling and batching room 6 is used for stockpiling scrap and is preferably arranged adjacent to the steelmaking plant 5 so as to share a scrap conveying passage and scrap handling equipment with the steelmaking plant 5. Further preferably, two groups of the scrap steel stockpiling and batching rooms 6 are arranged, and the two groups of the scrap steel stockpiling and batching rooms 6 are distributed on two sides of the molten iron conveying track 2, so that the scheme is particularly suitable for the condition that a plurality of molten iron conveying tracks are arranged, and can be used for adding scrap steel for molten iron tanks 4 on different straddle carriers 3; in an alternative embodiment, the two sets of scrap stacking and batching rooms 6 can stack different types of scrap, for example, one scrap stacking and batching room 6 is used for stacking relatively flexible scrap (such as light thin material), the other scrap stacking and batching room 6 is used for stacking large scrap, when adding scrap, flexible scrap can be added into the hot metal ladle 4 first, then large scrap can be added, and the impact of the scrap on the bottom of the hot metal ladle 4 can be effectively relieved. The scrap steel transfer unit 7 can adopt a scrap steel disk crane, and the movement stroke of the scrap steel disk crane at least covers the scrap steel stockpiling and batching room 6 and the scrap steel adding node of the molten iron transportation track 2; in the above-described structure having two sets of scrap stacking and batching rooms 6, it is preferable that one scrap magnetic disk crane is separately provided for each set of scrap stacking and batching rooms 6, so as to facilitate independent control of the two sets of scrap stacking and batching rooms 6.
The blast furnace-converter production system provided by the embodiment is provided with the scrap steel stockpiling and batching room 6 independently, scrap steel is added into the empty hot metal ladle 4 through the scrap steel transferring unit 7, and the operation of the scrap steel transferring unit 7 does not interfere with the operation of equipment such as a crown block of the steelmaking workshop 5, so that the scrap steel adding speed and efficiency are improved under the condition of not influencing the production operation of the existing converter. Based on the running characteristic that the straddle carrier 3 can walk in two directions without head traction, the scrap steel stockpiling and batching room 6 is arranged behind the steelmaking workshop 5, the required space is small, the layout is compact, and the site arrangement of the existing steelmaking workshop 5 is not influenced. And the scrap steel stockpiling and batching room 6 can be arranged close to the steelmaking workshop 5, so that the residual heat in the hot metal ladle 4 is still high when scrap steel is added, the residual heat of the hot metal ladle 4 can be fully utilized to preheat the scrap steel, and the energy consumption is saved.
Further optimizing the blast furnace-converter production system, as shown in fig. 1, the molten iron transportation track 2 further has a scrap preheating node, and a preheating roaster is arranged at the scrap preheating node. The preheating roaster is used for heating the scrap steel and then receiving iron, and the adding amount of the scrap steel can be increased by supplementing a heat source; the preheating roaster is arranged on the molten iron conveying track 2 on line, a crane does not need to be additionally arranged, the process flow is reasonable, and the equipment investment is small. Further preferably, as shown in fig. 1, the scrap preheating node is located between the ironmaking plant 1 and the steelmaking plant 5, and the scrap preheating node can be further close to the ironmaking plant 1, so that the temperature drop of the scrap can be avoided from being too large when the straddle carrier 3 runs to the ironmaking plant 1.
In one embodiment, as shown in fig. 2, the preheating roaster includes a roasting chamber 81 and a combustion roasting mechanism disposed in the roasting chamber 81, and the molten iron transporting rail 2 passes through the roasting chamber 81. The baking chamber 81 may be a steel structure, such as a portal steel frame, for passing the hot metal ladle 4 and the straddle carrier 3. Preferably, the burning baking mechanism comprises a baking ladle cover 82 suitable for covering the mouth of the hot-metal ladle and a ladle cover driving mechanism used for driving the baking ladle cover 82 to be close to or far away from the mouth of the hot-metal ladle, a burner is arranged on the baking ladle cover 82, the burner can be a burner arranged at the bottom of the baking ladle cover 82, and waste steel in the hot-metal ladle 4 is heated by high-temperature flame generated in the hot-metal ladle 4. The ladle cover driving mechanism can drive the baking ladle cover 82 to lift up and down so that the baking ladle cover 82 covers on or leaves the opening of the hot metal ladle, for example, the ladle cover driving mechanism comprises a winch 83 and a transmission structure 84 for lifting the baking ladle cover 82, and the winch 83 is arranged at the top of the baking chamber 81; of course, the above-mentioned lifting driving manner is not limited, and the above-mentioned lid moving manner is also not limited, for example, the baking lid 82 can be driven to rotate, and the details thereof are not described herein.
The embodiment of the invention also relates to an operation method of the blast furnace-converter production system, which comprises the following steps:
firstly, the cross-car 3 receives molten iron from the iron-making workshop 1 and then runs to the steel-making workshop 5, a hoisting device in the steel-making workshop 5 hoists a molten iron tank 4 to a converter for iron blending, and the iron blending operation can be generally carried out through a feeding cross-crane;
and step two, after the iron adding is finished, returning the empty molten iron tank 4 to the cross-car 3.
Thirdly, the cross-over vehicle 3 continues to move to a scrap adding node along the molten iron transportation track 2, and scrap in the scrap stacking and batching room 6 is added into the empty molten iron tank 4 through the scrap transferring unit 7;
and step four, the cross-over vehicle 3 is moved to the iron-making workshop 1 to wait for next tapping.
In the structure provided with the scrap preheating node, further, in the fourth step, the scrap in the hot metal ladle 4 is preheated, and then the straddle carrier 3 is moved to the iron making workshop 1.
Taking a system that an iron-making workshop 1 is provided with two 1860 cubic furnace capacity blast furnaces and a steel-making workshop 5 is provided with two 150t converters as an example, the tapping site platforms of the two blast furnaces are intensively arranged, each blast furnace is provided with 2 tapping holes, and 2 molten iron conveying tracks 2 correspond to the lower parts of the swing chutes of the tapping holes; the two blast furnaces are communicated with a converter steelmaking workshop 5 and a scrap steel stockpiling and batching room 6 through 8 molten iron conveying rails 2. The adding amount of the scrap steel in each molten iron tank 4 is about 8-15 t. Calculating 40 cans of 1 blast furnace per day, wherein the average addition amount of the scrap steel per time is 12t, and 480t of the scrap steel can be added into the 1 blast furnace per day by the mode; the two blast furnaces can add 33.6 ten thousand tons of scrap steel in one year. On the premise of no change of the total molten steel output, the method is equivalent to the reduction of the production of 33.6 ten thousand tons of blast furnace molten iron, and the emission of carbon dioxide can be reduced by at least 39.65 thousand tons per year when 1.18 tons of carbon dioxide is produced per ton of iron.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. A blast furnace-converter production system based on a hot metal ladle cross-car comprises an iron-making workshop, a steel-making workshop, a molten iron transportation rail and a cross-car walking on the molten iron transportation rail, and is characterized in that: the iron-smelting workshop, the steel-smelting workshop and the scrap steel stockpiling batching room are sequentially connected in series by the molten iron conveying track, and a scrap steel transferring unit used for adding scrap steel into the molten iron tank is arranged in the scrap steel stockpiling batching room.
2. The blast furnace-converter production system based on a hot-metal ladle straddle carrier as claimed in claim 1, wherein: the molten iron transportation track is also provided with a scrap steel preheating node, and a preheating roaster is arranged at the scrap steel preheating node.
3. The blast furnace-converter production system based on a hot-metal ladle straddle carrier as claimed in claim 2, wherein: the scrap preheating node is located between the iron-making workshop and the steel-making workshop.
4. The blast furnace-converter production system based on a hot-metal ladle straddle carrier as claimed in claim 2, wherein: preheat the roaster and include the baking chamber and locate the mechanism is toasted in the burning in the baking chamber, molten iron transportation track passes the baking chamber.
5. The blast furnace-converter production system based on a hot-metal ladle straddle carrier of claim 4, wherein: the burning baking mechanism comprises a baking ladle cover suitable for covering the opening of the hot-metal ladle and a ladle cover driving mechanism used for driving the baking ladle cover to be close to or far away from the opening of the hot-metal ladle, and a burner is arranged on the baking ladle cover.
6. The blast furnace-converter production system based on a hot-metal ladle straddle carrier of claim 5, wherein: the ladle cover driving mechanism comprises a winch and a transmission structure used for enabling the baking ladle cover to lift, and the winch is arranged at the top of the baking chamber.
7. The blast furnace-converter production system based on a hot-metal ladle straddle carrier as claimed in claim 1, wherein: two groups of scrap steel stockpiling ingredients are arranged, and the two groups of scrap steel stockpiling ingredients are distributed on two sides of the molten iron transportation track.
8. The blast furnace-converter production system based on a hot-metal ladle straddle carrier as claimed in claim 1, wherein: the scrap steel transfer unit comprises a scrap steel disk crane, and the movement stroke of the scrap steel disk crane at least covers the scrap steel stockpiling and batching room and the scrap steel adding node of the molten iron transportation track.
9. The method of operating a blast furnace-converter production system based on a hot-metal ladle straddle carrier according to any one of claims 1 to 8, comprising the steps of:
step one, receiving molten iron from an iron-making workshop through a straddle carrier, then running the molten iron to a steel-making workshop, and hoisting a molten iron tank to a converter through hoisting equipment in the steel-making workshop to perform iron mixing;
and step two, after the iron adding is finished, returning the empty hot metal tank to the cross-over vehicle.
Step three, the cross-over vehicle continues to move to a scrap steel adding node along the molten iron conveying track, and scrap steel in the scrap steel stockpiling and batching room is added into the empty molten iron tank through a scrap steel transferring unit;
and fourthly, the steel wire rope is moved to an iron-making workshop by a straddle carrier to wait for next tapping.
10. The operating method according to claim 9, wherein in the fourth step, the scrap steel in the hot metal ladle is preheated and then moved to the iron making plant by the straddle carrier.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010156868.6A CN111304385B (en) | 2020-03-09 | 2020-03-09 | Blast furnace-converter production system based on hot metal ladle cross-car and operation method thereof |
| PCT/CN2020/140773 WO2021179752A1 (en) | 2020-03-09 | 2020-12-29 | Blast furnace-converter production system based on molten iron ladle crossing vehicle, and operation method for system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010156868.6A CN111304385B (en) | 2020-03-09 | 2020-03-09 | Blast furnace-converter production system based on hot metal ladle cross-car and operation method thereof |
Publications (2)
| Publication Number | Publication Date |
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| CN111304385A true CN111304385A (en) | 2020-06-19 |
| CN111304385B CN111304385B (en) | 2024-10-11 |
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| CN202010156868.6A Active CN111304385B (en) | 2020-03-09 | 2020-03-09 | Blast furnace-converter production system based on hot metal ladle cross-car and operation method thereof |
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| CN (1) | CN111304385B (en) |
| WO (1) | WO2021179752A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021179752A1 (en) * | 2020-03-09 | 2021-09-16 | 中冶南方工程技术有限公司 | Blast furnace-converter production system based on molten iron ladle crossing vehicle, and operation method for system |
| CN114440638A (en) * | 2022-02-22 | 2022-05-06 | 中国恩菲工程技术有限公司 | High-temperature material conveying device |
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| CN113848835A (en) * | 2021-09-26 | 2021-12-28 | 日照钢铁控股集团有限公司 | Production scheduling management system |
| CN114653934A (en) * | 2022-03-10 | 2022-06-24 | 重庆赛迪奇智人工智能科技有限公司 | Cover-loading and-unloading device for torpedo tank car |
| CN114934140B (en) * | 2022-05-09 | 2024-04-26 | 河北新金轧材有限公司 | Organization process for reducing molten iron temperature drop |
| CN115007844B (en) * | 2022-05-17 | 2024-02-23 | 湖南华菱涟源钢铁有限公司 | Blast furnace iron receiving method for preheating scrap steel of hot-metal ladle |
| CN115647346A (en) * | 2022-11-14 | 2023-01-31 | 无锡巨力重工股份有限公司 | Molten steel tank transportation system and transportation mode adopting new energy molten steel tank car |
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| CN114440638A (en) * | 2022-02-22 | 2022-05-06 | 中国恩菲工程技术有限公司 | High-temperature material conveying device |
| WO2023160342A1 (en) * | 2022-02-22 | 2023-08-31 | 中国恩菲工程技术有限公司 | High-temperature material conveying device |
Also Published As
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| WO2021179752A1 (en) | 2021-09-16 |
| CN111304385B (en) | 2024-10-11 |
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