CN114643351B - Steel ladle for cleaning and transferring residual slag of weathering resistant steel liquid steel - Google Patents
Steel ladle for cleaning and transferring residual slag of weathering resistant steel liquid steel Download PDFInfo
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- CN114643351B CN114643351B CN202210540968.8A CN202210540968A CN114643351B CN 114643351 B CN114643351 B CN 114643351B CN 202210540968 A CN202210540968 A CN 202210540968A CN 114643351 B CN114643351 B CN 114643351B
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- 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
- B22D41/02—Linings
- B22D41/026—Apparatus used for fracturing and removing of linings
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- 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
- B22D41/02—Linings
- B22D41/023—Apparatus used for making or repairing linings
Abstract
The invention relates to the technical field of ferrous metallurgy, and provides a clean residual slag transferring ladle for weathering steel liquid, which comprises a steel cladding shell, a permanent layer arranged in the steel cladding shell, and an impact-resistant layer, a molten pool layer, a slag line layer and an edge layer which are sequentially arranged on the surface of the permanent layer from bottom to top, wherein the impact-resistant layer, the slag line layer and the edge layer all adopt a modular masonry structure, the impact-resistant layer, the slag line layer and the edge layer all comprise structural blocks and fixed blocks, a second inclined surface of each fixed block compresses a first inclined surface of each structural block to enable the structural blocks to be attached to the permanent layer, a dismounting assembly comprises structural steel plates arranged on the structural blocks and the fixed blocks, the structural steel plates are arranged on one sides of the structural blocks and the fixed blocks, which are close to the permanent layer, a connecting rod penetrates through the permanent layer and the steel cladding shell, and a locking piece is arranged at one end of the connecting rod extending out of the steel cladding shell. Through the technical scheme, the problem that in the prior art, in the process of smelting the weathering steel, the residual slag in the steel ladle causes inaccurate components of the weathering steel, so that the performance of the weathering steel is influenced is solved.
Description
Technical Field
The invention relates to the technical field of ferrous metallurgy, in particular to a clean transferring ladle for residues of weathering steel molten steel.
Background
The weathering steel is made of plain carbon steel with a small amount of corrosion resistant elements such as copper, nickel and the like, and has the characteristics of high-quality steel such as toughness, ductility, molding, welding and cutting, abrasion, high temperature, fatigue and the like; the weather resistance is 2-8 times of that of ordinary carbon steel, the coating performance is 1.5-10 times of that of ordinary carbon steel, and the coating can be thinned, exposed or simplified. The steel has the characteristics of rust resistance, corrosion resistance, long service life, thinning, consumption reduction, labor saving and energy saving of the member, and is beneficial to member manufacturers and users. The weathering steel product is used for manufacturing containers containing hydrogen sulfide corrosive medium in containers, railway vehicles, oil derricks, harbor buildings, oil production platforms and chemical petroleum equipment, and other structural members.
In the prior art, compared with foreign weathering steel, China has a certain gap in the development degree of the weathering steel, on one hand, because China basically selects alloy elements by depending on experience in the production process of the weathering steel, an alloying principle which has guiding significance for designing and selecting the alloy elements is not formed, and the research on the influence of the alloy elements on various performances of the weathering steel is lacked, on the other hand, aiming at the production process of the weathering steel, the influence of controlling the production environment is not considered enough, so that more impurities can be introduced in the production process of the weathering steel, and the weather resistance performance is difficult to control at the optimal level, wherein the control of the smelting process of a steel ladle is a process which is easy to introduce the impurities, because the slag of the steel ladle can cause that the smelted molten steel is difficult to ensure more accurate components, but the problem of the slag of the steel ladle is solved by ladle and increasing the transfer speed, and the period of medium repair and overhaul is difficult to satisfy the production of weathering steel, and the quality of weathering steel still has the condition of irregularity, based on above problems, needs a kind of transportation ladle that can adapt to weathering steel production urgently to optimize the smelting of steel.
Disclosure of Invention
The invention provides a clean transferring steel ladle for residual slag of weathering steel molten steel, which solves the problem that in the prior art, during the smelting process of weathering steel, the residual slag in the steel ladle causes inaccurate components of the weathering steel, thereby affecting the performance of the steel.
The technical scheme of the invention is as follows:
a steel ladle for cleaning and transferring residual slag of weathering steel molten steel comprises a steel ladle shell, and further comprises a permanent layer arranged in the steel ladle shell, wherein the permanent layer is arranged at the bottom and the side wall of the steel ladle shell, and further comprises an impact-resistant layer, a molten pool layer, a slag line layer and a wrapping edge layer which are arranged on the surface of the permanent layer from bottom to top in sequence, the impact-resistant layer, the slag line layer and the wrapping edge layer all adopt a modular masonry structure, the impact-resistant layer, the slag line layer and the wrapping edge layer all comprise structural blocks and fixed blocks, the structural blocks are provided with first inclined planes, the fixed blocks are provided with second inclined planes, the first inclined planes of the structural blocks are tightly pressed by the second inclined planes of the fixed blocks, so that the structural blocks are tightly attached to the permanent layer, and further comprises a dismounting assembly, the dismounting assembly comprises structural steel plates arranged on the structural blocks and the fixed blocks, the connecting rod penetrates through the permanent layer and the steel cladding, and the locking piece is arranged at one end, extending out of the steel cladding, of the connecting rod.
The structural building blocks of the impact-resistant layer are of a round table shape, the fixed building blocks of the impact-resistant layer are provided with a plurality of arc-shaped strip-shaped blocks, and the fixed building blocks of the impact-resistant layer form a circular ring.
The structural building blocks on the slag line layer are a plurality of arc-shaped bars, the fixed building blocks on the slag line layer are a plurality of arc-shaped bars, and the structural building blocks and the fixed building blocks on the slag line layer are arranged in a staggered mode to form a circular ring.
The structural building blocks on the wrapping layer are in a plurality of blocks and are in arc-shaped strip shapes, the fixed building blocks on the wrapping layer are in a plurality of blocks and are in arc-shaped strip shapes, and the structural building blocks and the fixed building blocks on the wrapping layer are arranged in a staggered mode to form a circular ring.
The steel cladding is provided with a trunnion, the bottom of the steel cladding is provided with a vent plug and a water gap, and the vent plug and the water gap penetrate through the permanent layer and the impact-resistant layer.
And reinforcing ribs are arranged on the outer side of the steel ladle shell.
The working principle and the beneficial effects of the invention are as follows:
the invention discloses a clean transferring ladle for residue of weathering steel molten steel, which is characterized in that from the background of the prior art, the difficult overcome in the production process of weathering steel is the accurate control of components, and the transferring ladle is one of the great influence factors of the transferring ladle, but the medium repair or the overhaul adopted in the prior art hardly meets the production requirement, the invention adopts the modular installation of the internal building blocks of the transferring ladle, thereby realizing the quick replacement of the internal building blocks of the transferring ladle, the ladle bottom, a slag line area and a ladle edge are required to be kept to have no residual steel and no residue in the production process of the transferring ladle, the cleaning is carried out for smelting, the accurate control of the components of the weathering steel can be ensured, and based on the technical conception of the modular installation, the impact resistant layer, the slag line layer and the ladle edge layer can adopt the mode of fixing the building blocks on a ladle shell and the internal permanent layer, and take the dismouting subassembly, can realize the installation of fixed building block, fixed building block passes through the inclined plane structure and fixes the building block on permanent layer, thereby it is fixed, when the clearance of incomplete steel and residue needs to carry out, through the quick dismantlement of dismouting subassembly, can dismantle fixed building block fast, all tear down fixed building block and repair, change new building block, thereby can satisfy the clean requirement of production, avoided the influence of incomplete steel residue to resistant steel.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic view of the overall three-dimensional structure of a ladle according to the present invention;
FIG. 2 is a top view of the ladle of the present invention;
FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;
FIG. 4 is a schematic structural diagram of a slag line layer and a ladle edge layer of the steel ladle of the invention;
FIG. 5 is a schematic view of the ladle impact-resistant layer structure of the present invention;
in the figure: 1. the steel ladle comprises a steel ladle shell, 2, a permanent layer, 3, an impact resistant layer, 4, a molten pool layer, 5, a slag line layer, 6, a ladle edge layer, 7, a structural block, 8, a fixing block, 9, a structural steel plate, 10, a connecting rod, 11, a locking piece, 12, a trunnion, 13, a ventilation plug, 14, a water gap, 15 and reinforcing ribs.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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 relate to the scope of protection of the present invention.
As shown in fig. 1 to 5, the embodiment provides a steel ladle for clean transfer of residue of weathering steel molten steel, which comprises a steel cladding 1, and further comprises a permanent layer 2 arranged in the steel cladding 1, wherein the permanent layer 2 is arranged at the bottom and on the side wall of the steel cladding 1, and further comprises an impact-resistant layer 3, a molten pool layer 4, a slag line layer 5 and an edge layer 6 which are arranged on the surface of the permanent layer 2 from bottom to top in sequence, the impact-resistant layer 3, the slag line layer 5 and the edge layer 6 all adopt modular masonry structures, the impact-resistant layer 3, the slag line layer 5 and the edge layer 6 all comprise structural blocks 7 and fixed blocks 8, the structural blocks 7 have first inclined surfaces, the fixed blocks 8 have second inclined surfaces, the second inclined surfaces of the fixed blocks 8 press the first inclined surfaces of the structural blocks 7 to enable the structural blocks 7 to be tightly attached to the permanent layer 2, still include the dismouting subassembly, the dismouting subassembly is including setting up structural steel plate 9 on structural steel plate 7 with fixed building block 8, still include with connecting rod 10 and locking piece 11 that structural steel plate 9 is connected, structural steel plate 9 sets up structural steel plate 7 with fixed building block 8 is close to permanent layer 2's one side, connecting rod 10 passes permanent layer 2 reaches steel cladding 1, locking piece 11 sets up connecting rod 10 stretches out steel cladding 1's one end.
In the embodiment, based on the technical concept of the invention, the modularized transformation is carried out on the position of the steel ladle which is easy to generate residues and residual steel during the transportation, the original main structure of the steel ladle is not transformed, so that the heat preservation performance of the steel ladle and the effectiveness of corresponding smelting operation can be effectively ensured, the impact-resistant layer 3 positioned at the bottom of the steel ladle, the slag line layer 5 positioned at the upper half part and the ladle edge layer 6 are further transformed to form modularized installation, the structural direction adopted is that the transformation layers are all in the form of combined installation of the fixed building blocks 8 and the structural building blocks 7, and the fixed building blocks 8 are arranged on the steel cladding 1 and the permanent layer 2 through the dismounting components;
specifically, the fixed block 8 is provided with a second inclined plane, the structural block 7 is provided with a first inclined plane and two inclined planes, the fixed block 8 presses the structural block 7, the fixed block 8 is mounted on the permanent layer 2 through the dismounting assembly, the structural block 7 presses the permanent layer 2 through the fixed block 8, the mounting stability is ensured, three parts of the dismounting assembly are included, wherein the structural steel plate 9 is embedded in the structural block 7 and the fixed block 8 and is close to one side of the permanent layer 2, therefore, during mounting, the structural steel plate 9 can ensure the strength of the block on one hand, on the other hand, the structural steel plate 9 can be protected by the block, the structural steel plate 9 can be in various forms to promote the connection with the whole block, the structural steel plate 9 can be in a wave shape and a bending shape, or be provided with structural rods on the surface thereof to promote the connection strength, and the connecting rod 10 connected with the structural steel plate 9 passes through the permanent layer 2 and the ladle shell 1 to extend out, the connecting rod 10 is locked outside the steel ladle shell 1 by the locking piece 11, the locking state is a steel ladle usable state, when the building blocks in the steel ladle need to be disassembled, repaired and cleaned, the locking piece 11 needs to be opened, and the corresponding building blocks are ejected out through the connecting rod 10, so that the cleanliness in the building blocks and the steel ladle can be ensured to meet the smelting conditions of the weathering steel.
The structural building blocks 7 of the impact-resistant layer 3 are of a circular truncated cone shape, the fixed building blocks 8 of the impact-resistant layer 3 are provided with a plurality of arc-shaped strip-shaped blocks, and the fixed building blocks 8 of the impact-resistant layer 3 form a circular ring.
In this embodiment, particularly in the impact-resistant layer 3, the adopted structural block 7 is a circular truncated cone, the fixed block 8 is an arc-shaped strip, an annular side inclined plane of the circular truncated cone is a first inclined plane, an arc-shaped side inclined plane of the arc-shaped strip-shaped fixed block 8 is a second inclined plane, and a plurality of fixed blocks 8 can surround to form a ring shape, so that the structural block 7 is sleeved with the fixed block, a structural steel plate 9 is arranged in the block, and the connecting rod 10 penetrates through the permanent layer 2 and the ladle shell 1 and is locked by the locking piece 11 to realize fixation.
The structural building blocks 7 of the slag line layer 5 are a plurality of arc-shaped bars, the fixed building blocks 8 of the slag line layer 5 are a plurality of arc-shaped bars, and the structural building blocks 7 and the fixed building blocks 8 of the slag line layer 5 are arranged in a staggered mode to form a circular ring.
The structural building blocks 7 of the edge covering layer 6 are a plurality of arc-shaped strips, the fixed building blocks 8 of the edge covering layer 6 are a plurality of arc-shaped strips, and the structural building blocks 7 and the fixed building blocks 8 of the edge covering layer 6 are arranged in a staggered mode to form a circular ring.
In the embodiment, the slag line layer 5 and the ladle edge layer 6 which are positioned at the middle upper part of the ladle are similar in structure, the structural building blocks 7 and the fixed building blocks 8 are arc-shaped strip-shaped and are arranged in a staggered mode, the structural building blocks 7 and the fixed building blocks 8 are connected end to form a circular ring structure, the first inclined plane and the second inclined plane form a press fit at the junction of the structural building blocks 7 and the fixed building blocks 8, the dismounting and mounting assemblies are the same, and the fixing mode refers to the impact-resistant layer 3.
The steel ladle shell 1 is provided with a trunnion 12, the bottom of the steel ladle shell 1 is provided with a gas permeable plug 13 and a water gap 14, and the gas permeable plug 13 and the water gap 14 penetrate through the permanent layer 2 and the impact resistant layer 3.
In the embodiment, the trunnion 12 of the ladle shell 1 is convenient for transferring and hoisting the ladle, the bottom of the trunnion is provided with the gas plug 13 and the water gap 14, the gas plug 13 blows gas to stir the molten steel, and the water gap 14 guides the flow to prevent splashing.
And reinforcing ribs 15 are arranged outside the steel cladding 1.
In this embodiment, the reinforcing ribs 15 are arranged on the outer side of the ladle shell 1, and the arrangement of the reinforcing ribs 15 is specifically adapted to the situation of reinforcement.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The clean transferring ladle for the residue of the weather-resistant molten steel comprises a steel cladding (1), a permanent layer (2) arranged in the steel cladding (1), wherein the permanent layer (2) is arranged at the bottom and the side wall of the steel cladding (1), and further comprises an impact-resistant layer (3), a molten pool layer (4), a slag line layer (5) and an edge layer (6) which are sequentially arranged on the surface of the permanent layer (2) from bottom to top, wherein the clean transferring ladle is characterized in that the impact-resistant layer (3), the slag line layer (5) and the edge layer (6) all adopt a modular masonry structure, the impact-resistant layer (3), the slag line layer (5) and the edge layer (6) all comprise structural blocks (7) and fixed blocks (8), the structural blocks (7) are provided with first inclined planes, the fixed blocks (8) are provided with second inclined planes, and the second inclined planes of the fixed blocks (8) press the first inclined planes of the structural blocks (7) tightly to enable the structural blocks (7) to be in a manner Building block (7) paste tightly permanent layer (2), still include the dismouting subassembly, the dismouting subassembly is including setting up structural steel plate (9) on structural block (7) and fixed building block (8), still include with connecting rod (10) and locking piece (11) that structural steel plate (9) are connected, structural steel plate (9) set up structural block (7) with fixed building block (8) are close to one side of permanent layer (2), connecting rod (10) pass permanent layer (2) and steel involucrum (1), locking piece (11) set up connecting rod (10) stretch out the one end of steel involucrum (1).
2. The steel ladle for clean transfer of the residues of the weathering steel molten steel according to claim 1, characterized in that the structural blocks (7) of the impact resistant layer (3) are of a truncated cone shape, the fixed blocks (8) of the impact resistant layer (3) have a plurality of blocks and are of an arc-bar shape, and the fixed blocks (8) of the impact resistant layer (3) form a circular ring.
3. The steel ladle for clean transferring of the residual slag of the weathering steel molten steel according to claim 1, characterized in that the structural blocks (7) of the slag line layer (5) are of several blocks and arc-shaped bar type, the fixed blocks (8) of the slag line layer (5) are of several blocks and arc-shaped bar type, and the structural blocks (7) and the fixed blocks (8) of the slag line layer (5) are staggered and form a circular ring.
4. The steel ladle for cleaning and transferring the residues of the weathering steel molten steel according to claim 1, characterized in that the structural blocks (7) of the inclusion layer (6) are several and arc-shaped bar-shaped, the fixed blocks (8) of the inclusion layer (6) are several and arc-shaped bar-shaped, and the structural blocks (7) and the fixed blocks (8) of the inclusion layer (6) are staggered and form a circular ring.
5. The clean transporting ladle for the residues of the weathering steel molten steel according to claim 1 is characterized in that a trunnion (12) is arranged on the ladle shell (1), a gas plug (13) and a water gap (14) are arranged at the bottom of the ladle shell (1), and the gas plug (13) and the water gap (14) penetrate through the permanent layer (2) and the impact-resistant layer (3).
6. The clean transporting ladle for the residues of the weathering steel molten steel according to claim 1, characterized in that the outside of the steel ladle shell (1) is provided with a reinforcing rib (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210540968.8A CN114643351B (en) | 2022-05-19 | 2022-05-19 | Steel ladle for cleaning and transferring residual slag of weathering resistant steel liquid steel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210540968.8A CN114643351B (en) | 2022-05-19 | 2022-05-19 | Steel ladle for cleaning and transferring residual slag of weathering resistant steel liquid steel |
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| Publication Number | Publication Date |
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| CN114643351A CN114643351A (en) | 2022-06-21 |
| CN114643351B true CN114643351B (en) | 2022-07-22 |
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| CN202210540968.8A Active CN114643351B (en) | 2022-05-19 | 2022-05-19 | Steel ladle for cleaning and transferring residual slag of weathering resistant steel liquid steel |
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| CN114643351A (en) | 2022-06-21 |
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