CN114381570A - Online molten iron jar steel scrap joining device - Google Patents
Online molten iron jar steel scrap joining device Download PDFInfo
- Publication number
- CN114381570A CN114381570A CN202210018403.3A CN202210018403A CN114381570A CN 114381570 A CN114381570 A CN 114381570A CN 202210018403 A CN202210018403 A CN 202210018403A CN 114381570 A CN114381570 A CN 114381570A
- Authority
- CN
- China
- Prior art keywords
- guide wheel
- bin
- wheel
- movable
- molten iron
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 86
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 58
- 239000010959 steel Substances 0.000 title claims abstract description 58
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 43
- 238000005304 joining Methods 0.000 title description 2
- 239000002184 metal Substances 0.000 claims abstract description 28
- 229910052751 metal Inorganic materials 0.000 claims abstract description 28
- 238000003860 storage Methods 0.000 claims description 10
- 239000002699 waste material Substances 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 7
- 230000008859 change Effects 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 230000009191 jumping Effects 0.000 claims description 2
- 230000007704 transition Effects 0.000 claims description 2
- 230000002441 reversible effect Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 3
- 238000003723 Smelting Methods 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 abstract description 2
- 238000009628 steelmaking Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000001502 supplementing effect Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 238000009851 ferrous metallurgy Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Images
Classifications
-
- 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
- C21C5/42—Constructional features of converters
- C21C5/46—Details or accessories
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Furnace Charging Or Discharging (AREA)
Abstract
An on-line hot metal bottle scrap adding device belongs to the technical field of scrap adding in the smelting industry. The device comprises a molten iron transportation track (1), a molten iron tank car (2), a molten iron tank (3), a chute (4), a first electric sector valve (5), a fixed bin (6), a lower-layer platform (7), an upper-layer platform (8), a movable bin track (9), a first wheel block (10), a second wheel block (11), a movable bin (12), a second electric sector valve (13), a driving wheel (14), a driving unit (15), a traction steel wire rope (16), a first guide wheel (17), a second guide wheel (18), a third guide wheel (19), a fourth guide wheel (20), a fifth guide wheel (21), a sixth guide wheel (22), a seventh guide wheel (23), an eighth guide wheel (24), a ninth guide wheel (25) and an electromagnetic disc crane (26). Has the advantages that: simple equipment, simple and convenient process, reliable operation and convenient maintenance.
Description
Technical Field
The invention belongs to the technical field of scrap steel addition in the smelting industry, and particularly relates to an online molten iron tank scrap steel adding device, namely a device which can add qualified scrap steel into a molten iron tank in advance in the steelmaking process so as to heat the qualified scrap steel in advance. The waste steel is added into the molten iron tank for preheating, and the purpose is to preheat the waste steel by using coal gas which is a byproduct of ferrous metallurgy as fuel to form high-temperature flame for preheating and heating the waste steel, so that the heat income in the steelmaking furnace is increased, and therefore, the waste steel can be used more, the molten iron is used less, the energy is saved, the consumption is reduced, and the yield is increased in the steelmaking process.
Background
With the increasing strictness of the production limit policy and the industry competition in the domestic metallurgical industry, more and more steel enterprises adopt a method of using more scrap steel and less molten iron for steel making production so as to achieve the purposes of increasing production and increasing efficiency, but the result of insufficient heat in a steel making furnace is brought by the more scrap steel and the less molten iron, so that the heat needs to be supplemented to the steel making process, wherein the online preheating of the scrap steel in the molten iron tank is an effective heat supplementing method, and the invention is just aiming at the facility design of the heat supplementing method.
Disclosure of Invention
The invention aims to provide an online hot metal ladle scrap adding device, which well solves the problems of low speed, low efficiency and long waiting time of an electromagnetic crane for directly adding scrap to an online hot metal ladle. The electromagnetic crane who is equipped with in the usable workshop is earlier with scrap steel absorption transport and unload to being located the orbital removal feed bin of low order slope, rethread drive arrangement will remove the feed bin and along the orbital high-order horizontal rail of removing the fixed feed bin top on and open bottom fan-shaped valve and unload the scrap steel of splendid attire into in the fixed feed bin of below and keep in. Then when the hot metal ladle car which runs on the track and is loaded with the hot metal ladle is stopped below the fixed storage bin, the fan-shaped valve at the bottom of the fixed storage bin can be opened to discharge the contained scrap steel into the hot metal ladle below, and finally the hot metal ladle car is driven to a heating station to preheat the scrap steel in the hot metal ladle. The device mainly comprises a movable bin and a driving mechanism thereof, a movable bin running track, a fixed bin and the like.
The invention mainly comprises a movable stock bin and a driving mechanism thereof, a movable stock bin running track, a fixed stock bin and the like, and particularly comprises a molten iron transportation track 1, a molten iron tank car 2, a molten iron tank 3, a chute 4, a first electric sector valve 5, a fixed stock bin 6, a lower-layer platform 7, an upper-layer platform 8, a movable stock bin track 9, a first wheel block 10, a second wheel block 11, a movable stock bin 12, a second electric sector valve 13, a driving wheel 14, a driving unit 15, a traction steel wire rope 16, a first guide wheel 17, a second guide wheel 18, a third guide wheel 19, a fourth guide wheel 20, a fifth guide wheel 21, a sixth guide wheel 22, a seventh guide wheel 23, an eighth guide wheel 24, a ninth guide wheel 25 and an electromagnetic disc crane 26.
Three molten iron transportation rails 1 are arranged below the lower platform 7, and a molten iron tank car 2 bearing a molten iron tank 3 runs on each rail. And 3 fixed material bins 6 are arranged on the lower platform 7 and are respectively positioned right above the three molten iron tank car tracks 1. An electric fan valve I5 and a chute 4 are installed at an outlet at the lower part of the fixed bin 6, and the materials in the fixed bin 6 can be controlled to be output to the molten iron tank 3 and stop; an upper-layer platform 8 is arranged above the lower-layer platform 7, a movable bin track 9 (the track comprises a horizontal track on the platform and an inclined track from the platform to the ground), a movable bin 12 and a driving device thereof are arranged on the upper-layer platform, and a first wheel block 10 and a second wheel block 11 are arranged at two ends of the movable bin track 9, so that the movable bin 12 can be prevented from jumping out of the track; an electric fan valve II 13 is arranged at the outlet at the lower part of the movable bin 12 and can control the material in the movable bin 12 to be output to the fixed bin 6 and stop; the driving device comprises a driving wheel 14, a driving unit 15, a traction steel wire rope 16, a guide wheel I17, a guide wheel II 18, a guide wheel III 19, a guide wheel IV 20, a guide wheel V21, a guide wheel VI 22, a guide wheel VII 23, a guide wheel VIII 24 and a guide wheel IV 25, wherein an output shaft of the driving unit 15 is concentrically connected with an input shaft of the driving wheel 14, the traction steel wire rope 16 is wound on the driving wheel 14 for a plurality of circles, one end of the traction steel wire rope is connected with one end of the movable bin 12, and the other end of the traction steel wire rope sequentially passes through the guide wheel IV 25, the guide wheel IV 24, the guide wheel VII 23, the guide wheel VI 22, the guide wheel V21, the guide wheel IV 20, the guide wheel III 19, the guide wheel II 18 and the guide wheel I17 and then is connected with the other end of the movable bin 12. When the driving unit 15 drives the driving wheel 14 to move forward or backward, the traction cable 16 correspondingly moves forward or backward, thereby driving the moving bin 12 to move to the right or left. The electromagnetic disc crane 26 is a scrap loading tool specifically configured for the apparatus.
The molten iron transportation track 1, the molten iron tank car 2 and the molten iron tank 3 are service objects of the device, and the scrap steel is finally added into the molten iron tank 3 carried by the molten iron tank car 2 running on the molten iron transportation track 1. The device comprises a chute 4, a first electric fan-shaped valve 5, a fixed bin 6, a lower-layer platform 7, an upper-layer platform 8, a movable bin rail 9, a first wheel block 10, a second wheel block 11, a movable bin 12, a second electric fan-shaped valve 13, a driving wheel 14, a driving unit 15, a traction steel wire rope 16, a first guide wheel 17, a second guide wheel 18, a third guide wheel 19, a fourth guide wheel 20, a fifth guide wheel 21, a sixth guide wheel 22, a seventh guide wheel 23, an eighth guide wheel 24 and a ninth guide wheel 25 which jointly form a device main body, and the device main body has the functions of receiving waste steel conveyed by an electromagnetic disc crane 26, internally transporting, distributing and storing the waste steel, and finally adding the waste steel into the molten iron tank 3.
The movable stock bin 12 moves from a low-level inclined rail convenient for loading to a high-level horizontal rail, and the angle of the stock bin is changed, so that the mouth of the stock bin is specially designed and processed, when the movable stock bin 12 is positioned on the inclined rail, a feed port of the movable stock bin just faces to the right upper side, the movable stock bin is convenient for loading scrap steel into the movable stock bin by an electromagnetic disc crane 26, and when the movable stock bin 12 runs to the horizontal rail, a bottom discharge port of the movable stock bin just faces to the right lower side, and the scrap steel is convenient to discharge into a fixed stock bin 6 right below.
The mobile silo 12 moves from a low level inclined track for loading to a high level horizontal track, and a drive unit 15 is used to drive a drive wheel 14, thereby driving a traction cable 16 (or may take the form of a sprocket or chain drive) to rotate circularly along a guide wheel, which pulls the mobile silo 12 to move on the track. In this driving device, the distance between the first guide wheel 17, the second guide wheel 18 and the third guide wheel 19 at the transition from the inclined rail to the horizontal rail and the rail is smaller than that between other driving wheels and other guide wheels, so that the traction point of the traction cable 16 contacting the moving bin 12 can smoothly pass through the guide wheels.
The driving device consisting of the driving unit 15, the driving wheel 14, the guide wheel I17, the guide wheel II 18, the guide wheel III 19, the guide wheel IV 20, the guide wheel V21, the guide wheel VI 22, the guide wheel VII 23, the guide wheel VIII 24, the guide wheel IX 25 and the traction steel wire rope 16 can rotate in the positive and negative directions, so that the traction steel wire rope 16 drives the mobile storage bin 12 to climb from the low-position device position to the high-position discharging position and vice versa.
The invention selects to place the movable bin 12 at the low position for centralized loading operation, but not abandon the inclined rail to directly place the movable bin 12 on the high-position horizontal rail for loading, or abandon the movable bin 12 to directly use the electromagnetic disk crane 26 to load the fixed bins 6 one by one, because the selected loading mode ensures that the electromagnetic disk crane 26 does not need to run back and forth for a long distance and does not need to lift the magnetic disk up and down for a long distance, thereby improving the use efficiency of the magnetic disk crane 26 and reducing the configuration number of the magnetic disk crane.
The hot metal ladle car runs on the track below the fixed bin 6, the temperature of the hot metal ladle carried by the hot metal ladle car is extremely high, and the radiant heat is extremely high, so that the heat-resistant chute 4 which is a chute for guiding waste steel and a heat-insulating barrier is arranged below the fixed bin 6, and the lower structure of the fixed bin 6 and the electric fan-shaped valve 5 of the lower equipment are protected.
The invention has the advantages that: simple equipment, simple and convenient process, reliable operation and convenient maintenance.
Drawings
FIG. 1 is an elevation view of an on-line hot metal ladle scrap charging apparatus, showing the layout and general overview of most of the components.
FIG. 2 is a plan view of the on-line hot metal ladle scrap charging apparatus, showing the general plan extent.
Fig. 3 is a partial view of the loading state of the mobile bin, and the situation that the mobile bin stops at the low position of the inclined rail to receive the scrap steel conveyed by the electromagnetic disc crane can be seen.
In the figure, a molten iron transportation rail 1, a molten iron tank car 2, a molten iron tank 3, a chute 4, a first electric sector valve 5, a fixed bin 6, a lower-layer platform 7, an upper-layer platform 8, a movable bin rail 9, a first wheel block 10, a second wheel block 11, a movable bin 12, a second electric sector valve 13, a driving wheel 14, a driving unit 15, a traction steel wire rope 16, a first guide wheel 17, a second guide wheel 18, a third guide wheel 19, a fourth guide wheel 20, a fifth guide wheel 21, a sixth guide wheel 22, a seventh guide wheel 23, an eighth guide wheel 24, a ninth guide wheel 25 and an electromagnetic disc crane 26.
Detailed Description
An embodiment of the present invention will be described below with reference to the accompanying drawings.
As shown in the figure, a molten iron transportation rail 1, a molten iron tank car 2, a molten iron tank 3, a chute 4, a first electric sector valve 5, a fixed bin 6, a lower-layer platform 7, an upper-layer platform 8, a movable bin rail 9, a first wheel block 10, a second wheel block 11, a movable bin 12, a second electric sector valve 13, a driving wheel 14, a driving unit 15, a traction steel wire rope 16, a first guide wheel 17, a second guide wheel 18, a third guide wheel 19, a fourth guide wheel 20, a fifth guide wheel 21, a sixth guide wheel 22, a seventh guide wheel 23, an eighth guide wheel 24, a ninth guide wheel 25 and an electromagnetic disc crane 26 jointly form an online molten iron tank scrap adding device. Three hot metal ladle car tracks 1 are arranged below the lower platform 7, and a hot metal ladle car 2 bearing a hot metal ladle 3 runs on each track. And 3 fixed material bins 6 are arranged on the lower platform 7 and are respectively positioned right above the three molten iron transportation tracks 1. An upper-layer platform 8 is arranged above the lower-layer platform 7, a movable bin track 9 (the track comprises a horizontal track on the platform and an inclined track from the platform to the ground), a movable bin 12 and a driving device thereof are arranged on the upper-layer platform, and the driving device comprises a driving wheel 14, a driving unit 15, a traction steel wire rope 16, a first guide wheel 17, a second guide wheel 18, a third guide wheel 19, a fourth guide wheel 20, a fifth guide wheel 21, a sixth guide wheel 22, a seventh guide wheel 23, an eighth guide wheel 24 and a ninth guide wheel 25. The electromagnetic disc crane 26 is a scrap loading tool specifically configured for the apparatus.
The operation process flow is that the movable bin 12 is arranged at a low position, scrap steel is sucked and transported by an electromagnetic disc crane 26 and discharged into the movable bin 12, after the loading is finished, the movable driving unit 15 is started to drive the driving wheel 14 to rotate, further the traction steel wire rope 16 is driven to rotate circularly along the guide wheel group, the movable bin 12 ascends along the inclined track, when the movable bin arrives at a horizontal track and stops above a certain fixed bin 6, the electric fan-shaped valve II 13 is opened, and all the contained scrap steel is discharged into the fixed bin 6 to be stored. When the hot metal ladle car 2 passes through the lower part of the fixed storage bin 6, the electric fan-shaped valve 5 at the bottom of the hot metal ladle car can be opened to unload the contained scrap steel into the hot metal ladle 3 below the hot metal ladle car, then the hot metal ladle car 2 is driven away, and the emptied fixed storage bin 6 continues to carry out the next round of loading operation.
If some routine changes are made on the basis of the invention to form a change scheme, such as changing a driving wheel into a chain wheel, changing a driving wheel and a guide wheel into a chain, increasing the number of moving bins, fixing the bins, increasing weighing facilities, changing a hot metal ladle into other containers and the like, the change scheme is the same as the invention.
Claims (5)
1. An online molten iron tank scrap steel adding device is characterized by comprising a molten iron transportation rail (1), a molten iron tank car (2), a molten iron tank (3), a chute (4), a first electric sector valve (5), a fixed bin (6), a lower-layer platform (7), an upper-layer platform (8), a movable bin rail (9), a first wheel block (10), a second wheel block (11), a movable bin (12), a second electric sector valve (13), a driving wheel (14), a driving unit (15), a traction steel wire rope (16), a first guide wheel (17), a second guide wheel (18), a third guide wheel (19), a fourth guide wheel (20), a fifth guide wheel (21), a sixth guide wheel (22), a seventh guide wheel (23), an eighth guide wheel (24), a ninth guide wheel (25) and an electromagnetic disc crane (26);
three molten iron transportation tracks (1) are arranged below the lower platform (7), and a molten iron tank car (2) bearing a molten iron tank (3) runs on each track. 3 fixed material bins (6) are arranged on the lower platform (7) and are respectively positioned right above the three molten iron tank car tracks 1; an electric fan-shaped valve I (5) and a chute (4) are installed at an outlet at the lower part of the fixed bin (6) to control the materials in the fixed bin (6) to be output to the hot metal ladle (3) and stop; an upper-layer platform (8) is arranged above the lower-layer platform (7), a movable stock bin track (9), a movable stock bin (12) and a driving device of the movable stock bin track are arranged on the upper-layer platform, and a wheel block I (10) and a wheel block II (11) are arranged at two ends of the movable stock bin track (9) to prevent the movable stock bin (12) from jumping out of the track; an electric fan-shaped valve II (13) is installed at an outlet at the lower part of the movable bin (12) and used for controlling the materials in the movable bin (12) to be output to the fixed bin (6) and stop.
2. The on-line hot-metal ladle waste steel adding device as claimed in claim 1, wherein the driving device is composed of a driving wheel (14), a driving unit (15), a traction steel wire rope (16), a guide wheel I (17), a guide wheel II (18), a guide wheel III (19), a guide wheel IV (20), a guide wheel V (21), a guide wheel VI (22), a guide wheel VII (23), a guide wheel VIII (24) and a guide wheel nine (25), an output shaft of the driving unit (15) is concentrically connected with an input shaft of the driving wheel (14), the traction steel wire rope (16) is wound on the driving wheel (14) for a plurality of turns, one end of the movable storage bin is connected with one end of the movable storage bin (12), and the other end of the movable storage bin is connected with the other end of the movable storage bin (12) after sequentially passing through a guide wheel nine (25), a guide wheel eight (24), a guide wheel seven (23), a guide wheel six (22), a guide wheel five (21), a guide wheel four (20), a guide wheel three (19), a guide wheel two (18) and a guide wheel one (17); when the driving unit (15) drives the driving wheel (14) to move forwards or backwards, the traction steel wire rope (16) correspondingly moves forwards or backwards, so that the movable bin (12) is driven to move rightwards or leftwards.
3. The on-line hot metal ladle scrap adding device according to claim 1, wherein a main body of the device is composed of a chute (4), a first electric sector valve (5), a fixed bin (6), a lower platform (7), an upper platform (8), a movable bin track (9), a first wheel block (10), a second wheel block (11), a movable bin (12), a second electric sector valve (13), a driving wheel (14), a driving unit (15), a traction steel wire rope (16), a first guide wheel (17), a second guide wheel (18), a third guide wheel (19), a fourth guide wheel (20), a fifth guide wheel (21), a sixth guide wheel (22), a seventh guide wheel (23), an eighth guide wheel (24) and a ninth guide wheel (25), the steel scrap collecting device has the functions of receiving the steel scrap conveyed by the electromagnetic disc crane (26), and conveying, distributing and storing the steel scrap in the steel scrap collecting device, and finally adding the steel scrap into the hot metal ladle (3).
4. The on-line hot metal ladle scrap adding device according to claim 1, wherein the moving bin (12) moves from a low-level inclined rail for facilitating charging to a high-level horizontal rail, which involves the change of the angle of the bin itself, when the moving bin (12) is on the inclined rail, the feeding hole of the moving bin is just above, which facilitates the charging of the scrap steel by the electromagnetic disc crane (26), and when the moving bin (12) runs on the horizontal rail, the bottom discharging hole is just below, which facilitates the discharging of the scrap steel into the fixed bin (6) right below;
the movable stock bin (12) moves from a low-position inclined rail convenient for loading to a high-position horizontal rail, and a driving unit (15) is adopted to drive a driving wheel (14), so that a traction steel wire rope (16) is driven to rotate circularly along a guide wheel, and the movable stock bin (12) is dragged to move on the rail; in the driving device, the distances between the guide wheel I (17), the guide wheel II (18) and the guide wheel III (19) at the transition part from the inclined track to the horizontal track and the track are smaller than those between other driving wheels and other guide wheels, so that a traction point of the traction steel wire rope (16) in contact with the movable bin (12) can smoothly pass through the guide wheels.
5. The on-line hot metal ladle scrap feeding apparatus according to claim 1, wherein the drive means is reversible such that the haul cable (16) moves the mobile storage bin (12) from the low position device position to the high position discharge position and vice versa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210018403.3A CN114381570B (en) | 2022-01-07 | 2022-01-07 | Online hot-metal bottle steel scrap adding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210018403.3A CN114381570B (en) | 2022-01-07 | 2022-01-07 | Online hot-metal bottle steel scrap adding device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114381570A true CN114381570A (en) | 2022-04-22 |
| CN114381570B CN114381570B (en) | 2024-04-02 |
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ID=81199679
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210018403.3A Active CN114381570B (en) | 2022-01-07 | 2022-01-07 | Online hot-metal bottle steel scrap adding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114381570B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114921601A (en) * | 2022-07-22 | 2022-08-19 | 徐州永冠铸业有限公司 | Scrap steel adding device for smelting molten iron |
| CN115072637A (en) * | 2022-07-11 | 2022-09-20 | 广东韶钢松山股份有限公司 | Broken material feeding system of steel scrap |
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| CN204874597U (en) * | 2015-08-14 | 2015-12-16 | 中冶赛迪工程技术股份有限公司 | Oblique rail elevating gear |
| CN206377982U (en) * | 2017-01-10 | 2017-08-04 | 中冶赛迪工程技术股份有限公司 | A kind of steel scrap elevating transport apparatus of scrap steel preheating type electric arc furnaces |
| CN108570530A (en) * | 2018-04-19 | 2018-09-25 | 芜湖新兴铸管有限责任公司 | Converter hot-metal bottle adds the device of steel scrap |
| CN109880959A (en) * | 2019-04-04 | 2019-06-14 | 石家庄巨力科技股份有限公司 | A method of improving converter steel scrap adding proportion |
| CN210711618U (en) * | 2019-09-17 | 2020-06-09 | 天津达亿冶金技术研究有限公司 | System for adding scrap steel to molten iron bearing equipment by adopting belt conveyor |
| CN211645307U (en) * | 2019-12-17 | 2020-10-09 | 中冶南方工程技术有限公司 | Device for adding scrap steel into molten iron tank on molten iron transportation line |
| CN217026008U (en) * | 2022-01-07 | 2022-07-22 | 北京首钢国际工程技术有限公司 | Online molten iron jar steel scrap joining device |
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2022
- 2022-01-07 CN CN202210018403.3A patent/CN114381570B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN203095025U (en) * | 2013-02-22 | 2013-07-31 | 中冶赛迪工程技术股份有限公司 | High-position automatic material loading device |
| CN204874597U (en) * | 2015-08-14 | 2015-12-16 | 中冶赛迪工程技术股份有限公司 | Oblique rail elevating gear |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115072637A (en) * | 2022-07-11 | 2022-09-20 | 广东韶钢松山股份有限公司 | Broken material feeding system of steel scrap |
| CN114921601A (en) * | 2022-07-22 | 2022-08-19 | 徐州永冠铸业有限公司 | Scrap steel adding device for smelting molten iron |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114381570B (en) | 2024-04-02 |
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