Method for preventing baking fire channeling of induction heating tundish

Abstract

The invention relates to the technical field of metallurgical equipment, in particular to a method for preventing baking fire channeling of an induction heating tundish. The method comprises the following steps: S1, cleaning a gap between an inductor and a tundish body when the tundish is baked; s2, the gap is filled with zirconium-containing asbestos fibers; s3, mixing and stirring the American spray coating and water according to a preset proportion to obtain a pasty spray coating; and S4, the pasty spray coating is smeared to the outer side of the zircon-containing asbestos fiber in the gap. According to the method, the zircon-containing asbestos fiber is adopted for gap filling firstly, then the spray coating is adopted for smearing, gaps are well filled, certain strength is achieved after baking, it is ensured that the gaps are well sealed, and the problem of fire mixing in the prior art is solved.

Description

Technical Field

[0001] The invention relates to the technical field of metallurgical equipment, in particular to a method for preventing fire from spreading during baking of an induction heating tundish. Background Art

[0002] It was found during the use of induction heating tundish that when the tundish was baked, the gap between the inductor and the tundish body sparked, causing damage to the inductor and reducing its lifespan, while also posing a safety hazard. Ordinary filling methods cannot seal the gap well, and cracking after baking is likely to occur, resulting in baking failure. In order to solve this technical problem, a method for preventing sparking during baking of induction heating tundish is proposed. Summary of the invention

[0003] In order to solve the technical problems existing in the above-mentioned prior art, the present invention provides a method for preventing fire from spreading during baking of an induction heating tundish.

[0004] To achieve the above objectives, the embodiments of the present invention provide the following technical solutions: In a first aspect, in one embodiment provided by the present invention, a method for preventing fire from being ignited during baking of an induction heating tundish is provided, the method comprising the following steps: S1. Clean the gap between the sensor and the ladle body during the tundish baking process; S2, using zirconium-containing asbestos fibers to fill into the gaps; S3, mixing the American spray paint and water in a preset ratio to obtain a paste spray paint; S4. Apply the paste spray material to the outside of the zirconium-containing asbestos fibers in the gap.

[0005] As a further solution of the present invention, the step S3, mixing and stirring the American spray coating material and water in a preset ratio to obtain a paste spray coating material, comprises: The high temperature resistant spray coating and water are mixed with a stirrer in a ratio of 5: (0.8-1.2). The mixing time is 3-7 minutes and the stirring speed of the stirrer is 40-60 rad / min.

[0006] As a further solution of the present invention, the step S3, mixing and stirring the American spray coating material and water in a preset ratio to obtain a paste spray coating material, comprises: The high temperature resistant spray coating and water are mixed with a stirrer in a ratio of 5: (0.9-1.1). The mixing time is 4-6 minutes and the stirring speed of the stirrer is 45-55 rad / min.

[0007] As a further solution of the present invention, the step S3, mixing and stirring the American spray coating material and water in a preset ratio to obtain a paste spray coating material, comprises: The high temperature resistant spray coating and water were mixed with a stirrer at a ratio of 5:1. The mixing time was 5 minutes and the stirring speed of the stirrer was 50 rad / min.

[0008] As a further solution of the present invention, the step S3, mixing and stirring the American spray coating material and water in a preset ratio to obtain a paste spray coating material, comprises: The high temperature resistant spray coating, zirconium-containing asbestos fiber and water are mixed with a stirrer in a ratio of (8-12):5:(1.6-2.4). The mixing time is 3-7 minutes and the stirring speed of the stirrer is 40-60 rad / min.

[0009] As a further solution of the present invention, the step S3, mixing and stirring the American spray coating material and water in a preset ratio to obtain a paste spray coating material, comprises: The high temperature resistant spray coating, zirconium-containing asbestos fiber and water are mixed with a stirrer in a ratio of (9-11):5:(1.8-2.2). The mixing time is 4-6 minutes and the stirring speed of the stirrer is 45-55 rad / min.

[0010] As a further solution of the present invention, the step S3, mixing and stirring the American spray coating material and water in a preset ratio to obtain a paste spray coating material, comprises: The high temperature resistant spray coating, zirconium-containing asbestos fiber and water were mixed with a stirrer in a ratio of 10:5:2. The mixing time was 5 minutes and the stirring speed of the stirrer was 50 rad / min.

[0011] As a further solution of the present invention, the coating thickness of the paste spray material is 40-60mm.

[0012] As a further solution of the present invention, the coating thickness of the paste spray material is 45-55mm.

[0013] As a further solution of the present invention, the coating thickness of the paste spray material is 50 mm.

[0014] The technical solution provided by the present invention has the following beneficial effects: The invention firstly uses zirconium-containing asbestos fibers to fill the gaps, and then uses spray paint to apply the filler, so that the gaps are well filled and have a certain strength after baking, ensuring that the gaps are well sealed, thereby solving the problem of cross-fire in the prior art.

[0015] These and other aspects of the present invention will be more clearly understood in the following description of the embodiments. It should be understood that the above general description and the following detailed description are only exemplary and explanatory and cannot limit the present invention. DETAILED DESCRIPTION

[0016] The technical solutions in the embodiments of the present invention are described clearly and completely below. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0017] The present invention provides a method for preventing fire from flowing out during baking of an induction heating tundish. The method for preventing fire from flowing out during baking of an induction heating tundish comprises the following steps: S1. Clean the gap between the sensor and the ladle body during the tundish baking process; S2, using zirconium-containing asbestos fibers to fill into the gaps; S3, mixing the American spray paint and water in a preset ratio to obtain a paste spray paint; In some embodiments, the step S3, mixing the American spray coating material and water in a preset ratio to obtain a paste spray coating material, comprises: The high temperature resistant spray coating and water are mixed with a stirrer in a ratio of 5: (0.8-1.2). The mixing time is 3-7 minutes and the stirring speed of the stirrer is 40-60 rad / min.

[0018] In some embodiments, the step S3, mixing the American spray coating material and water in a preset ratio to obtain a paste spray coating material, comprises: The high temperature resistant spray coating and water are mixed with a stirrer in a ratio of 5: (0.9-1.1). The mixing time is 4-6 minutes and the stirring speed of the stirrer is 45-55 rad / min.

[0019] In some embodiments, the step S3, mixing the American spray coating material and water in a preset ratio to obtain a paste spray coating material, comprises: The high temperature resistant spray coating and water were mixed with a stirrer at a ratio of 5:1. The mixing time was 5 minutes and the stirring speed of the stirrer was 50 rad / min.

[0020] In some embodiments, the step S3, mixing the American spray coating material and water in a preset ratio to obtain a paste spray coating material, comprises: The high temperature resistant spray coating, zirconium-containing asbestos fiber and water are mixed with a stirrer in a ratio of (8-12):5:(1.6-2.4). The mixing time is 3-7 minutes and the stirring speed of the stirrer is 40-60 rad / min.

[0021] In some embodiments, the step S3, mixing the American spray coating material and water in a preset ratio to obtain a paste spray coating material, comprises: The high temperature resistant spray coating, zirconium-containing asbestos fiber and water are mixed with a stirrer in a ratio of (9-11):5:(1.8-2.2). The mixing time is 4-6 minutes and the stirring speed of the stirrer is 45-55 rad / min.

[0022] In some embodiments, the step S3, mixing the American spray coating material and water in a preset ratio to obtain a paste spray coating material, comprises: The high temperature resistant spray coating, zirconium-containing asbestos fiber and water were mixed with a stirrer in a ratio of 10:5:2. The mixing time was 5 minutes and the stirring speed of the stirrer was 50 rad / min.

[0023] High temperature resistant spray coating is an inorganic high temperature resistant coating, which is filled into the resin matrix with borosilicate glass as the main filler and can withstand higher temperatures.

[0024] S4. Apply the paste spray material to the outside of the zirconium-containing asbestos fibers in the gap.

[0025] In some embodiments, the paste spray coating has a coating thickness of 40-60 mm.

[0026] In some embodiments, the paste spray coating has a coating thickness of 45-55 mm.

[0027] In some embodiments, the paste spray material has a coating thickness of 50 mm.

[0028] The invention firstly uses zirconium-containing asbestos fibers to fill the gaps, and then uses spray paint to apply the filler, so that the gaps are well filled and have a certain strength after baking, ensuring that the gaps are well sealed, thereby solving the problem of cross-fire in the prior art.

[0029] Example 1 A method for preventing fire from leaking during baking of an induction heating tundish, the method comprising the following steps: S1. Clean the gap between the sensor and the ladle body during the tundish baking process; S2, using zirconium-containing asbestos fibers to fill into the gaps; S3, mixing the American spray paint and water in a preset ratio to obtain a paste spray paint; In some embodiments, the step S3, mixing the American spray coating material and water in a preset ratio to obtain a paste spray coating material, comprises: The high temperature resistant spray coating and water were mixed with a stirrer at a ratio of 5:0.8. The mixing time was 3 minutes and the stirring speed of the stirrer was 40 rad / min.

[0030] S4. Apply the paste spray material to the outside of the zirconium-containing asbestos fibers in the gap.

[0031] In some embodiments, the paste spray material has a coating thickness of 40 mm.

[0032] Example 2 A method for preventing fire from leaking during baking of an induction heating tundish, the method comprising the following steps: S1. Clean the gap between the sensor and the ladle body during the tundish baking process; S2, using zirconium-containing asbestos fibers to fill into the gaps; S3, mixing the American spray paint and water in a preset ratio to obtain a paste spray paint; In some embodiments, the step S3, mixing the American spray coating material and water in a preset ratio to obtain a paste spray coating material, comprises: The high temperature resistant spray coating and water were mixed with a stirrer at a ratio of 5:1.2. The mixing time was 7 minutes and the stirring speed of the stirrer was 60 rad / min.

[0033] S4. Apply the paste spray material to the outside of the zirconium-containing asbestos fibers in the gap.

[0034] In some embodiments, the paste spray material has a coating thickness of 60 mm.

[0035] Example 3 A method for preventing fire from leaking during baking of an induction heating tundish, the method comprising the following steps: S1. Clean the gap between the sensor and the ladle body during the tundish baking process; S2, using zirconium-containing asbestos fibers to fill into the gaps; S3, mixing the American spray paint and water in a preset ratio to obtain a paste spray paint; In some embodiments, the step S3, mixing the American spray coating material and water in a preset ratio to obtain a paste spray coating material, comprises: The high temperature resistant spray coating and water were mixed with a stirrer at a ratio of 5:0.9. The mixing time was 4 minutes and the stirring speed of the stirrer was 45 rad / min.

[0036] S4. Apply the paste spray material to the outside of the zirconium-containing asbestos fibers in the gap.

[0037] In some embodiments, the paste spray material has a coating thickness of 45 mm.

[0038] Example 4 A method for preventing fire from leaking during baking of an induction heating tundish, the method comprising the following steps: S1. Clean the gap between the sensor and the ladle body during the tundish baking process; S2, using zirconium-containing asbestos fibers to fill into the gaps; S3, mixing the American spray paint and water in a preset ratio to obtain a paste spray paint; In some embodiments, the step S3, mixing the American spray coating material and water in a preset ratio to obtain a paste spray coating material, comprises: The high temperature resistant spray coating and water were mixed with a stirrer at a ratio of 5:1.1. The mixing time was 6 minutes and the stirring speed of the stirrer was 55 rad / min.

[0039] S4. Apply the paste spray material to the outside of the zirconium-containing asbestos fibers in the gap.

[0040] In some embodiments, the paste spray material has a coating thickness of 55 mm.

[0041] Example 5 A method for preventing fire from leaking during baking of an induction heating tundish, the method comprising the following steps: S1. Clean the gap between the sensor and the ladle body during the tundish baking process; S2, using zirconium-containing asbestos fibers to fill into the gaps; S3, mixing the American spray paint and water in a preset ratio to obtain a paste spray paint; In some embodiments, the step S3, mixing the American spray coating material and water in a preset ratio to obtain a paste spray coating material, comprises: The high temperature resistant spray coating and water were mixed with a stirrer at a ratio of 5:1. The mixing time was 5 minutes and the stirring speed of the stirrer was 50 rad / min.

[0042] S4. Apply the paste spray material to the outside of the zirconium-containing asbestos fibers in the gap.

[0043] In some embodiments, the paste spray material has a coating thickness of 50 mm.

[0044] Example 6 A method for preventing fire from leaking during baking of an induction heating tundish, the method comprising the following steps: S1. Clean the gap between the sensor and the ladle body during the tundish baking process; S2, using zirconium-containing asbestos fibers to fill into the gaps; S3, mixing the American spray paint and water in a preset ratio to obtain a paste spray paint; In some embodiments, the step S3, mixing the American spray coating material and water in a preset ratio to obtain a paste spray coating material, comprises: The high temperature resistant spray coating, zirconium-containing asbestos fiber and water were mixed with a stirrer in a ratio of 12:5:2.4. The mixing time was 7 minutes and the stirring speed of the stirrer was 60 rad / min.

[0045] S4. Apply the paste spray material to the outside of the zirconium-containing asbestos fibers in the gap.

[0046] In some embodiments, the paste spray material has a coating thickness of 60 mm.

[0047] Example 7 A method for preventing fire from leaking during baking of an induction heating tundish, the method comprising the following steps: S1. Clean the gap between the sensor and the ladle body during the tundish baking process; S2, using zirconium-containing asbestos fibers to fill into the gaps; S3, mixing the American spray paint and water in a preset ratio to obtain a paste spray paint; In some embodiments, the step S3, mixing the American spray coating material and water in a preset ratio to obtain a paste spray coating material, comprises: The high temperature resistant spray coating, zirconium-containing asbestos fiber and water were mixed with a stirrer in a ratio of 8:5:1.6. The mixing time was 3 minutes and the stirring speed of the stirrer was 40 rad / min.

[0048] S4. Apply the paste spray material to the outside of the zirconium-containing asbestos fibers in the gap.

[0049] In some embodiments, the paste spray material has a coating thickness of 40 mm.

[0050] Example 8 A method for preventing fire from leaking during baking of an induction heating tundish, the method comprising the following steps: S1. Clean the gap between the sensor and the ladle body during the tundish baking process; S2, using zirconium-containing asbestos fibers to fill into the gaps; S3, mixing the American spray paint and water in a preset ratio to obtain a paste spray paint; In some embodiments, the step S3, mixing the American spray coating material and water in a preset ratio to obtain a paste spray coating material, comprises: The high temperature resistant spray coating, zirconium-containing asbestos fiber and water were mixed with a stirrer in a ratio of 11:5:2.2. The mixing time was 6 minutes and the stirring speed of the stirrer was 55 rad / min.

[0051] S4. Apply the paste spray material to the outside of the zirconium-containing asbestos fibers in the gap.

[0052] In some embodiments, the paste spray material has a coating thickness of 55 mm.

[0053] Example 9 A method for preventing fire from leaking during baking of an induction heating tundish, the method comprising the following steps: S1. Clean the gap between the sensor and the ladle body during the tundish baking process; S2, using zirconium-containing asbestos fibers to fill into the gaps; S3, mixing the American spray paint and water in a preset ratio to obtain a paste spray paint; In some embodiments, the step S3, mixing the American spray coating material and water in a preset ratio to obtain a paste spray coating material, comprises: The high temperature resistant spray coating, zirconium-containing asbestos fiber and water were mixed with a stirrer in a ratio of 9:5:1.8. The mixing time was 4 minutes and the stirring speed of the stirrer was 45 rad / min.

[0054] S4. Apply the paste spray material to the outside of the zirconium-containing asbestos fibers in the gap.

[0055] In some embodiments, the paste spray material has a coating thickness of 45 mm.

[0056] Example 10 A method for preventing fire from leaking during baking of an induction heating tundish, the method comprising the following steps: S1. Clean the gap between the sensor and the ladle body during the tundish baking process; S2, using zirconium-containing asbestos fibers to fill into the gaps; S3, mixing the American spray paint and water in a preset ratio to obtain a paste spray paint; In some embodiments, the step S3, mixing the American spray coating material and water in a preset ratio to obtain a paste spray coating material, comprises: The high temperature resistant spray coating, zirconium-containing asbestos fiber and water were mixed with a stirrer in a ratio of 10:5:2. The mixing time was 5 minutes and the stirring speed of the stirrer was 50 rad / min.

[0057] S4. Apply the paste spray material to the outside of the zirconium-containing asbestos fibers in the gap.

[0058] In some embodiments, the paste spray material has a coating thickness of 50 mm.

[0059] The preferred embodiments of the present invention are described in detail above, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in this field without departing from the purpose of the present invention.

Claims

1. A method for preventing fire from spreading during baking of an induction heating tundish, characterized in that: The method includes: S1. Clean the gap between the sensor and the ladle body during the tundish baking process; S2, using zirconium-containing asbestos fibers to fill into the gaps; S3, mixing the American spray paint and water in a preset ratio to obtain a paste spray paint; S4. Apply the paste spray material to the outside of the zirconium-containing asbestos fibers in the gap.

2. The method for preventing fire from flowing out during baking of an induction heating tundish according to claim 1, characterized in that: The step S3, mixing the American spray coating material and water in a preset ratio to obtain a paste-like spray coating material, comprises: The high temperature resistant spray coating and water are mixed with a stirrer in a ratio of 5: (0.8-1.2). The mixing time is 3-7 minutes and the stirring speed of the stirrer is 40-60 rad / min.

3. The method for preventing fire from flowing out during baking of an induction heating tundish according to claim 2, characterized in that: The step S3, mixing the American spray coating material and water in a preset ratio to obtain a paste-like spray coating material, comprises: The high temperature resistant spray coating and water are mixed with a stirrer in a ratio of 5: (0.9-1.1). The mixing time is 4-6 minutes and the stirring speed of the stirrer is 45-55 rad / min.

4. The method for preventing fire from flowing out during baking of an induction heating tundish according to claim 3, characterized in that: The step S3, mixing the American spray coating material and water in a preset ratio to obtain a paste-like spray coating material, comprises: The high temperature resistant spray coating and water were mixed with a stirrer at a ratio of 5:

1. The mixing time was 5 minutes and the stirring speed of the stirrer was 50 rad / min.

5. The method for preventing fire from flowing out during baking of an induction heating tundish according to claim 1, characterized in that: The step S3, mixing the American spray coating material and water in a preset ratio to obtain a paste-like spray coating material, comprises: The high temperature resistant spray coating, zirconium-containing asbestos fiber and water are mixed with a stirrer in a ratio of (8-12):5:(1.6-2.4). The mixing time is 3-7 minutes and the stirring speed of the stirrer is 40-60 rad / min.

6. The method for preventing fire from flowing out during baking of an induction heating tundish according to claim 5, characterized in that: The step S3, mixing the American spray coating material and water in a preset ratio to obtain a paste-like spray coating material, comprises: The high temperature resistant spray coating, zirconium-containing asbestos fiber and water are mixed with a stirrer in a ratio of (9-11):5:(1.8-2.2). The mixing time is 4-6 minutes and the stirring speed of the stirrer is 45-55 rad / min.

7. The method for preventing fire from flowing out during baking of an induction heating tundish according to claim 6, characterized in that: The step S3, mixing the American spray coating material and water in a preset ratio to obtain a paste-like spray coating material, comprises: The high temperature resistant spray coating, zirconium-containing asbestos fiber and water were mixed with a stirrer in a ratio of 10:5:

2. The mixing time was 5 minutes and the stirring speed of the stirrer was 50 rad / min.

8. The method for preventing fire from leaking during baking of an induction heating tundish according to claim 1, characterized in that: The coating thickness of the paste spray material is 40-60mm.

9. The method for preventing fire from flowing out during baking of an induction heating tundish according to claim 8, characterized in that: The coating thickness of the paste spray material is 45-55mm.

10. The method for preventing fire from flowing out during baking of an induction heating tundish according to claim 9, characterized in that: The coating thickness of the paste spray material is 50 mm.