CN210789218U - Flexible connecting device in middle of one-pot bottom molten iron transportation process - Google Patents
Flexible connecting device in middle of one-pot bottom molten iron transportation process Download PDFInfo
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- CN210789218U CN210789218U CN201921462335.XU CN201921462335U CN210789218U CN 210789218 U CN210789218 U CN 210789218U CN 201921462335 U CN201921462335 U CN 201921462335U CN 210789218 U CN210789218 U CN 210789218U
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Abstract
A flexible connecting device in the middle of a process for transporting molten iron from one tank to the bottom belongs to the technical field of molten iron transportation of an iron-making-steel interface. The device comprises an iron-making workshop, a steel-making workshop, a molten iron transportation auxiliary workshop and a molten iron transportation line, wherein the iron-making workshop is connected with the steel-making workshop through the molten iron transportation line; the molten iron transport vehicle is arranged on a track of the molten iron transport line. The method has the advantages that all auxiliary operations of a steel-making workshop on the hot-metal ladle and the hot-metal carrier vehicle, such as baking, cleaning, repairing and the like, are cancelled; the pressure of molten iron absorption in a steelmaking workshop during an accident is reduced.
Description
Technical Field
The utility model belongs to the technical field of iron-making-steel interface molten iron transportation, in particular to a flexible connecting device in the middle of a jar molten iron transportation technology on earth.
Background
The molten iron transportation process of 'one pot to the bottom' adopted by a blast furnace-converter interface becomes the direction of the future technical development. The 'one-pot-to-bottom' process technology has the advantages that the process flow is short, the general diagram arrangement is compact, the storage and transportation rigidity of molten iron in a molten iron transportation link of an iron-making-steel interface is very strong, the flexibility is small, and once an accident happens in a certain subsequent procedure link, the interruption of the molten iron operation can be caused, and the stable production of a blast furnace is influenced. The Chinese patent application No. 201510685906.6 iron-making-steel-making interface direct-connected process discloses a 'one-pot-to-bottom' molten iron transportation mode, and the process has the advantages that: the transportation distance of the molten iron is extremely short, the flow is simplest and the transportation efficiency is high, and the method is a 'mouth-to-mouth' connection mode, but the rigidity of an iron-making-steel-making interface is extremely strong, and the method is not beneficial to the stable production of a blast furnace. Therefore, there is a need in the art for improvements and improvements in such a connection interface.
Disclosure of Invention
An object of the utility model is to provide a flexible connecting device in the middle of molten iron transportation technology is accomplished to a jar, solved in the "jar is accomplished to the end" technology of molten iron transportation, the iron-making-steel interface links up the problem that the relation rigidity is strong, and the buffer room is little. The flexible connection device in the middle of molten iron transportation is arranged on a molten iron transportation line of an iron-making-steel interface so as to realize the flexible connection of the iron-making-steel interface and play a role in stabilizing blast furnace production.
A flexible connecting device in the middle of a 'one-pot-to-bottom' molten iron transportation process comprises an iron-making workshop 1, a steel-making workshop 2, a molten iron transportation auxiliary workshop 3 and a molten iron transportation line 4, wherein the iron-making workshop 1 is connected with the steel-making workshop 2 through the molten iron transportation line 4, and the molten iron transportation auxiliary workshop 3 is arranged in the middle of the molten iron transportation line 4 and is perpendicular to the molten iron transportation line 4; the molten iron transporting vehicle 5 is on a track of the molten iron transporting line 4.
The molten iron conveying lines 4 are 3-4.
The hot metal transportation auxiliary workshop 3 is provided with a hot metal ladle heavy tank storage position 6, a hot metal ladle baking position 7, a hot metal ladle cleaning position 8, a hot metal ladle repairing position 9, a pig machine 10, a hot metal transport vehicle repairing and storage position 11 on two sides of a hot metal transportation line 4 respectively, and is also provided with a crane 12 for hoisting the hot metal ladle and the hot metal transport vehicle.
The functions of the facilities in each zone of the auxiliary molten iron transportation workshop 3 are as follows:
the hot metal ladle heavy tank storage position 6 plays a role in storing hot metal, and when an accident occurs in a steelmaking workshop, the pressure of molten metal consumed in steelmaking is reduced;
the hot-metal ladle baking position 7 is used for heating the hot-metal ladle to the working temperature or preserving the heat of the hot-metal ladle;
the hot metal ladle cleaning position 8 is used for cleaning the sticky iron and sticky slag of the hot metal ladle and ensuring the normal use of the hot metal ladle;
the hot metal ladle repair site 9 is used for carrying out minor repair, intermediate repair and major repair on the hot metal ladle;
the pig casting machine 10 is used for casting blast furnace molten iron into iron blocks during accidents in a steel-making workshop or during planned maintenance;
the molten iron carrier repairing and storing station 11 functions to repair and store a damaged molten iron carrier in operation.
The utility model has the advantages that the flexible connection system in the middle of the molten iron transportation process of 'one pot to the bottom' is provided with a heavy-iron-ladle storage position, a hot-iron-ladle baking position, a hot-iron-ladle cleaning position, a hot-iron-ladle repairing position, a pig casting machine and a molten iron carrier repairing and storage position in the molten iron transportation auxiliary workshop, and cancels all auxiliary operations of the steel-making workshop on the hot-iron ladle and the molten iron carrier, such as baking, cleaning, repairing and the like; the pressure of molten iron absorption in a steelmaking workshop during an accident is reduced, an intermediate flexible connecting system is provided for a 'one-pot-to-bottom' process of blast furnace molten iron transportation, the buffer allowance of molten iron material flow between iron making and converter steelmaking is improved, a flexible loop is arranged between a blast furnace and a converter, the rigid relation of an iron making-steelmaking interface which is too strong is improved, and stable production of the blast furnace and the converter is facilitated.
Drawings
Fig. 1 is a schematic diagram of the system and facilities of the present invention. The system comprises an iron making workshop 1, a steel making workshop 2, a molten iron transportation auxiliary workshop 3, a molten iron transportation line 4, a molten iron transportation vehicle 5, a hot metal ladle storage position 6, a hot metal ladle baking position 7, a hot metal ladle cleaning position 8, a hot metal ladle repairing position 9, an iron casting machine 10, a molten iron transportation vehicle repairing and storage position 11 and a crane 12.
Detailed Description
A flexible connecting device in the middle of a 'one-pot-to-bottom' molten iron transportation process comprises an iron-making workshop 1, a steel-making workshop 2, a molten iron transportation auxiliary workshop 3 and a molten iron transportation line 4, wherein the iron-making workshop 1 is connected with the steel-making workshop 2 through the molten iron transportation line 4, and the molten iron transportation auxiliary workshop 3 is arranged in the middle of the molten iron transportation line 4 and is perpendicular to the molten iron transportation line 4; the molten iron transporting vehicle 5 is on a track of the molten iron transporting line 4.
3 molten iron conveying lines 4 are arranged between the iron-making workshop 1 and the steel- making workshop 2, and 2 molten iron conveying vehicles 5 are arranged on each molten iron conveying line 4.
The hot metal transportation auxiliary workshop 3 is provided with a hot metal ladle heavy tank storage position 6, a hot metal ladle baking position 7, a hot metal ladle cleaning position 8, a hot metal ladle repairing position 9, a pig machine 10, a hot metal transport vehicle repairing and storage position 11 on two sides of a hot metal transportation line 4 respectively, and is also provided with a crane 12 for hoisting the hot metal ladle and the hot metal transport vehicle.
The hot metal bottle heavy tank is deposited position 6 and can is deposited 4 heavy jar hot metal bottle, the hot metal bottle toasts 7 positions and sets up 4 hot metal bottle roasters, hot metal bottle clearance position 8 can place 2 hot metal bottles, hot metal bottle repair position 9 can place 3 hot metal bottles, pig machine 10 sets up 1, the hot metal transport vechicle is repaired and is deposited position 11 and all have 2 to repair the position and 2 and deposit the position, and set up 1 hoist and be used for handling hot metal bottle and hot metal transport vechicle.
Claims (3)
1. The flexible connecting device in the middle of the one-pot bottom molten iron transportation process is characterized by comprising an iron-making workshop (1), a steel-making workshop (2), a molten iron transportation auxiliary workshop (3) and a molten iron transportation line (4), wherein the iron-making workshop (1) is connected with the steel-making workshop (2) through the molten iron transportation line (4), and the molten iron transportation auxiliary workshop (3) is arranged in the middle of the molten iron transportation line (4) and is perpendicular to the molten iron transportation line (4); the molten iron transport vehicle (5) is arranged on the track of the molten iron transport line (4).
2. The apparatus according to claim 1, characterized in that the molten iron transport line (4) is 3-4.
3. The apparatus according to claim 1, wherein the molten iron transportation auxiliary workshop (3) is provided with a hot metal ladle storage location (6), a hot metal ladle baking location (7), a hot metal ladle cleaning location (8), a hot metal ladle repair location (9), an iron casting machine (10), a molten iron transportation vehicle repair and storage location (11) on both sides of the molten iron transportation line (4), and is further provided with a crane (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921462335.XU CN210789218U (en) | 2019-09-04 | 2019-09-04 | Flexible connecting device in middle of one-pot bottom molten iron transportation process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921462335.XU CN210789218U (en) | 2019-09-04 | 2019-09-04 | Flexible connecting device in middle of one-pot bottom molten iron transportation process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210789218U true CN210789218U (en) | 2020-06-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921462335.XU Active CN210789218U (en) | 2019-09-04 | 2019-09-04 | Flexible connecting device in middle of one-pot bottom molten iron transportation process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210789218U (en) |
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2019
- 2019-09-04 CN CN201921462335.XU patent/CN210789218U/en active Active
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