CN113976870A - Technological method for prebuilt steel ladle working lining refractory bricks - Google Patents
Technological method for prebuilt steel ladle working lining refractory bricks Download PDFInfo
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- CN113976870A CN113976870A CN202111226431.6A CN202111226431A CN113976870A CN 113976870 A CN113976870 A CN 113976870A CN 202111226431 A CN202111226431 A CN 202111226431A CN 113976870 A CN113976870 A CN 113976870A
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- masonry
- working lining
- refractory bricks
- ladle working
- prebuilt
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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
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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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
Abstract
The invention discloses a process method for prebuilt of a refractory brick of a ladle working lining, which comprises the following steps: 1) dividing the ladle working lining into n masonry units according to the total height H of the ladle working lining; 2) setting a pre-masonry mold in a production workshop according to different masonry units; 3) a robot is arranged in each pre-masonry mold, and each robot pre-masonry refractory bricks in the pre-masonry molds according to a masonry design drawing; 4) after the pre-masonry is finished, the robot carries out code spraying and numbering on the outer surface of each refractory brick; 5) after code spraying, the robot splits the refractory bricks, then baking and drying the refractory bricks, cooling and packaging; 6) the firebricks are transported to a construction site, and constructors or robots are built according to the code spraying numbers on the firebricks in sequence. According to the invention, the working lining refractory brick pre-masonry process is combined with the robot intelligent masonry process, so that the masonry efficiency is greatly improved, the labor cost and the time cost are saved, and the potential safety hazard is effectively reduced.
Description
Technical Field
The invention relates to the technical field of refractory brick masonry, in particular to a technological method for prebuilt a refractory brick of a ladle working lining.
Background
The steel ladle is an extremely important thermal container in the steelmaking process, and the lining refractory material of the steel ladle is mainly formed by combining a working layer and a permanent layer, wherein the working lining is in direct contact with molten steel and suffers from high-temperature erosion and scouring of the molten steel and steel slag, so that the construction efficiency and the construction effect of the working lining of the steel ladle directly influence the operation safety and the turnover efficiency of the steel ladle and the quality of the molten steel.
At present, most of the bricks are built by adopting refractory bricks, and the conventional building mode is that constructors build bricks according to the brick type size, building design drawings and building requirements, and the method has the following defects in actual use: (1) the building process is generally built by constructors according to experiences, more triangular seams or larger seams exist in the building process, and larger potential safety hazards are caused to the operation of the steel ladle; (2) the masonry process requires a large amount of human resources and labor costs, and is inefficient.
Disclosure of Invention
The invention aims to overcome the defects of the background technology and provide a technological method for prebuilt the working lining refractory bricks of the steel ladle.
In order to achieve the aim, the invention designs a technological method for prebuilt a refractory brick of a ladle working lining, which comprises the following steps:
1) dividing the ladle working lining into n masonry units according to the total height H of the ladle working lining;
2) setting a pre-masonry mold in a production workshop according to different masonry units;
3) a robot is arranged in each pre-masonry mold, and each robot pre-masonry refractory bricks in the pre-masonry molds according to a masonry design drawing;
4) after the pre-masonry is finished, the robot carries out code spraying and numbering on the outer surface of each refractory brick;
5) after code spraying, the robot splits the refractory bricks, then baking and drying the refractory bricks, cooling and packaging;
6) and (4) conveying the packaged refractory bricks to a construction site, and constructing the refractory bricks by constructors or robots according to the code-spraying numbers on the refractory bricks in sequence.
Further, in the step 1), the ladle working lining is divided into n masonry units, wherein n is 4, 5 or 6.
Further, in the step 1), the height of the masonry unit is hiI is 1,2 … n; total height H of ladle working lining1+h2+…+hn。
Further, in the step 1), the height h of the masonry unit is less than or equal to 0.6mi≤1.2m。
Further, in the step 4), code spraying is carried out on the outer surface of each refractory brick by adopting a high-temperature resistant material.
Further, the high-temperature resistant material can resist the high temperature of more than 500 ℃.
Further, in the step 4), the code-spraying number is composed of a masonry ring number A and a ring-in brick number B, and the ring-in brick number B is an arrangement serial number of the ring in which the bricks are located.
Further, the number A of the masonry rings is arranged in front of the number B of the bricks in the rings.
Still further, the masonry ring number A is a number composed of two digits or three digits; and the brick number B in the ring is a number consisting of two digits or three digits.
Further, in the step 6), the robot automatically identifies the code-sprayed numbers on the refractory bricks to build the refractory bricks in sequence.
Compared with the prior art, the invention has the following advantages:
firstly, the technological method for pre-building the steel ladle working lining refractory bricks combines the pre-building technology of the working lining refractory bricks with the intelligent building technology of the robot, and solves the problems of potential safety hazards of operation of the steel ladle, large manpower resource requirement and the like caused by building the working lining by workers.
Secondly, the technological method for pre-building the refractory bricks of the ladle working lining can provide a foundation for a later intelligent building process, so that the building efficiency is greatly improved, and the labor cost and the time cost are saved.
Thirdly, according to the process method for pre-building the steel ladle working lining refractory bricks, the working lining refractory bricks are pre-built and code-spraying numbers are carried out, and constructors or robots carry out rapid building according to the code-spraying numbers on the refractory bricks in sequence, so that an expected good building effect is achieved.
Fourthly, the technological method for pre-building the refractory brick of the ladle working lining can effectively solve the problem of triangular gaps or large gaps in the building process and effectively reduce potential safety hazards.
Drawings
FIG. 1 is a schematic view of a steel ladle working lining according to the present invention;
FIG. 2 is a front view of a working lining of a certain partition area of a ladle in advance;
FIG. 3 is a top view of a pre-masonry of a working lining in a certain partition area of a ladle;
FIG. 4 is a schematic view of a code-sprayed number of a refractory brick of a ladle working lining;
in the figure: the steel ladle working lining comprises a steel ladle working lining 1, a masonry unit 2 and refractory bricks 3.
Detailed Description
The following describes the embodiments of the present invention in detail with reference to the embodiments, but they are not intended to limit the present invention and are only examples. While the advantages of the invention will be apparent and readily appreciated by the description.
Example 1:
the technological method for prebuilt the ladle working lining refractory bricks comprises the following steps:
1) the ladle working lining 1 is divided into n masonry units 2 according to the total height H of 4m, and n is 5. Total height H of ladle working lining1+h2+h3+h4+h5And h is1＝0.7m，h2＝0.9m，h3＝0.8m，h4＝0.8m，h50.8 m; when the ladle working lining is divided into 5 masonry units, the length and the material of the refractory bricks of each part of the working lining are preferentially consideredThe quality was as consistent as possible, as shown in fig. 1;
2) setting a pre-masonry mold in a production workshop according to different masonry units;
3) arranging a robot in each pre-masonry mold, and building qualified refractory bricks in the pre-masonry molds by the robot according to a building drawing and building requirements, wherein the robots are shown in figures 2 and 3;
4) after the prebuilt is finished, the robot carries out code spraying and numbering on the outer surface of the refractory brick; the code spraying material belongs to a high-temperature resistant material, can resist the temperature of more than 500 ℃ without falling, and is not easy to wipe off at normal temperature; the code spraying number can be automatically identified by a robot;
the code-spraying number pattern is 'masonry ring number A + ring-in brick number B' composed of numbers, the masonry ring number A is arranged in front of the ring-in brick number B, wherein the masonry ring number A is the number of masonry rings, and the ring-in brick number B is the arrangement serial number of the ring in which the brick is positioned, as shown in FIG. 4;
5) after code spraying is carried out, the robot splits the refractory bricks 3 and then puts the refractory bricks into a kiln car, and the refractory bricks can be packaged and delivered after being put into a kiln and baked and dried;
6) after the refractory bricks are delivered to a steel mill, steel mill constructors or automatic masonry robots perform rapid masonry according to the code-spraying numbers on the refractory bricks 3 in sequence, and a good expected masonry effect is achieved.
Example 2:
the technological method for prebuilt the ladle working lining refractory bricks comprises the following steps:
1) the ladle working lining 1 is divided into n masonry units 2 according to the total height H of 3.6m, and n is 4. Total height H of ladle working lining1+h2+h3+h4And h is1＝0.9m，h2＝0.9m，h3＝0.8m，h41.0 m; when the ladle working lining is divided into 4 masonry units, the lengths and the materials of refractory bricks of all parts of the working lining are preferably considered to be consistent as much as possible, as shown in figure 1;
2) setting a pre-masonry mold in a production workshop according to different masonry units;
3) arranging a robot in each pre-masonry mold, and building qualified refractory bricks in the pre-masonry molds by the robot according to a building drawing and building requirements, wherein the robots are shown in figures 2 and 3;
4) after the prebuilt is finished, the robot carries out code spraying and numbering on the outer surface of the refractory brick; the code spraying material belongs to a high-temperature resistant material, can resist the temperature of more than 500 ℃ without falling, and is not easy to wipe off at normal temperature; the code spraying number can be automatically identified by a robot;
the code-spraying number pattern is 'masonry ring number A + ring-in brick number B' composed of numbers, the masonry ring number A is arranged in front of the ring-in brick number B, wherein the masonry ring number A is the number of masonry rings, and the ring-in brick number B is the arrangement serial number of the ring in which the brick is positioned, as shown in FIG. 4;
5) after code spraying is carried out, the robot splits the refractory bricks 3 and then puts the refractory bricks into a kiln car, and the refractory bricks can be packaged and delivered after being put into a kiln and baked and dried;
6) after the refractory bricks are delivered to a steel mill, steel mill constructors or automatic masonry robots perform rapid masonry according to the code-spraying numbers on the refractory bricks 3 in sequence, and a good expected masonry effect is achieved.
Example 3:
the technological method for prebuilt the ladle working lining refractory bricks comprises the following steps:
1) the ladle working lining 1 is divided into n masonry units 2 according to the total height H of 4.8m, n being 6. Total height H of ladle working lining1+h2+h3+h4+h5+h6And h is1＝0.6m，h2＝0.6m，h3＝0.8m，h4＝0.8m，h5＝0.8m，h61.2 m; when the ladle working lining is divided into 6 masonry units, the lengths and the materials of refractory bricks of all parts of the working lining are preferably considered to be consistent as much as possible, as shown in figure 1;
2) setting a pre-masonry mold in a production workshop according to different masonry units;
3) arranging a robot in each pre-masonry mold, and building qualified refractory bricks in the pre-masonry molds by the robot according to a building drawing and building requirements, wherein the robots are shown in figures 2 and 3;
4) after the prebuilt is finished, the robot carries out code spraying and numbering on the outer surface of the refractory brick; the code spraying material belongs to a high-temperature resistant material, can resist the temperature of more than 500 ℃ without falling, and is not easy to wipe off at normal temperature; the code spraying number can be automatically identified by a robot;
the code-spraying number pattern is 'masonry ring number A + ring-in brick number B' composed of numbers, the masonry ring number A is arranged in front of the ring-in brick number B, wherein the masonry ring number A is the number of masonry rings, and the ring-in brick number B is the arrangement serial number of the ring in which the brick is positioned, as shown in FIG. 4;
5) after code spraying is carried out, the robot splits the refractory bricks 3 and then puts the refractory bricks into a kiln car, and the refractory bricks can be packaged and delivered after being put into a kiln and baked and dried;
6) after the refractory bricks are delivered to a steel mill, steel mill constructors or automatic masonry robots perform rapid masonry according to the code-spraying numbers on the refractory bricks 3 in sequence, and a good expected masonry effect is achieved.
The above description is only an embodiment of the present invention, and it should be noted that any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the protection scope of the present invention, and the rest that is not described in detail is the prior art.
Claims (10)
1. A process method for prebuilt a refractory brick of a ladle working lining is characterized by comprising the following steps: the method comprises the following steps:
1) dividing the ladle working lining into n masonry units according to the total height H of the ladle working lining;
2) setting a pre-masonry mold in a production workshop according to different masonry units;
3) a robot is arranged in each pre-masonry mold, and each robot pre-masonry refractory bricks in the pre-masonry molds according to a masonry design drawing;
4) after the pre-masonry is finished, the robot carries out code spraying and numbering on the outer surface of each refractory brick;
5) after code spraying, the robot splits the refractory bricks, then baking and drying the refractory bricks, cooling and packaging;
6) and (4) conveying the packaged refractory bricks to a construction site, and constructing the refractory bricks by constructors or robots according to the code-spraying numbers on the refractory bricks in sequence.
2. The process method for prebuilt the refractory bricks of the ladle working lining according to claim 1, which is characterized in that: in the step 1), the ladle working lining is divided into n masonry units, wherein n is 4, 5 or 6.
3. The process method for prebuilt the refractory bricks of the ladle working lining according to claim 2, characterized in that: in the step 1), the height of the masonry unit is hiI is 1,2 … n; total height H of ladle working lining1+h2+…+hn。
4. The process method for prebuilt the refractory bricks of the ladle working lining according to claim 3, characterized in that: in the step 1), the height h of the masonry unit is less than or equal to 0.6mi≤1.2m。
5. The process method for prebuilt the refractory bricks of the ladle working lining according to claim 1, which is characterized in that: and in the step 4), code spraying and numbering are carried out on the outer surface of each refractory brick by adopting a high-temperature resistant material.
6. The process method for prebuilt the refractory bricks of the ladle working lining according to claim 5, characterized in that: the high-temperature resistant material can resist high temperature of more than 500 ℃.
7. The process method for prebuilt the refractory bricks of the ladle working lining according to claim 1, which is characterized in that: in the step 4), the code-spraying number is composed of a masonry ring number A and an intra-ring brick number B, and the intra-ring brick number B is an arrangement serial number of the ring in which the bricks are located.
8. The process method for prebuilt the refractory bricks of the ladle working lining according to claim 7, characterized in that: the number A of the masonry rings is arranged in front of the number B of the bricks in the rings.
9. The process method for prebuilt the refractory bricks of the ladle working lining according to claim 8, characterized in that: the masonry ring number A is a number formed by two digits or three digits; and the brick number B in the ring is a number consisting of two digits or three digits.
10. The process method for prebuilt the refractory bricks of the ladle working lining according to claim 1, which is characterized in that: and 6), automatically identifying the code spraying numbers on the refractory bricks by the robot and building the refractory bricks in sequence.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111226431.6A CN113976870A (en) | 2021-10-21 | 2021-10-21 | Technological method for prebuilt steel ladle working lining refractory bricks |
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| CN202111226431.6A CN113976870A (en) | 2021-10-21 | 2021-10-21 | Technological method for prebuilt steel ladle working lining refractory bricks |
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| CN113976870A true CN113976870A (en) | 2022-01-28 |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008101250A (en) * | 2006-10-19 | 2008-05-01 | Nippon Steel Engineering Co Ltd | Method for constructing furnace wall in blast furnace |
| CN101900486A (en) * | 2010-04-02 | 2010-12-01 | 攀钢集团冶金工程技术有限公司 | Multilayer roaster building method and hearth replacing method |
| CN102500753A (en) * | 2011-12-02 | 2012-06-20 | 中冶宝钢技术服务有限公司 | Brick building process of bottom of steel ladle |
| CN103866089A (en) * | 2012-12-12 | 2014-06-18 | 中冶宝钢技术服务有限公司 | Vacuum tank alloy feed inlet pre-constructing technology |
| WO2019147155A1 (en) * | 2018-01-29 | 2019-08-01 | Алексей Александрович СПИРИН | Method for automatically laying a kiln refractory lining and robotized installation for the implementation thereof |
| CN113435757A (en) * | 2021-06-30 | 2021-09-24 | 中建华帆建筑设计院有限公司 | BIM-based building masonry design and construction method |
| CN113460716A (en) * | 2021-07-15 | 2021-10-01 | 佛山科学技术学院 | Remove brick anchor clamps and intelligent sign indicating number brick robot based on visual identification |
-
2021
- 2021-10-21 CN CN202111226431.6A patent/CN113976870A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008101250A (en) * | 2006-10-19 | 2008-05-01 | Nippon Steel Engineering Co Ltd | Method for constructing furnace wall in blast furnace |
| CN101900486A (en) * | 2010-04-02 | 2010-12-01 | 攀钢集团冶金工程技术有限公司 | Multilayer roaster building method and hearth replacing method |
| CN102500753A (en) * | 2011-12-02 | 2012-06-20 | 中冶宝钢技术服务有限公司 | Brick building process of bottom of steel ladle |
| CN103866089A (en) * | 2012-12-12 | 2014-06-18 | 中冶宝钢技术服务有限公司 | Vacuum tank alloy feed inlet pre-constructing technology |
| WO2019147155A1 (en) * | 2018-01-29 | 2019-08-01 | Алексей Александрович СПИРИН | Method for automatically laying a kiln refractory lining and robotized installation for the implementation thereof |
| CN113435757A (en) * | 2021-06-30 | 2021-09-24 | 中建华帆建筑设计院有限公司 | BIM-based building masonry design and construction method |
| CN113460716A (en) * | 2021-07-15 | 2021-10-01 | 佛山科学技术学院 | Remove brick anchor clamps and intelligent sign indicating number brick robot based on visual identification |
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