Magnesium-calcium tundish dry material working lining

Abstract

The utility model discloses a magnesia-calcium tundish dry material working lining, which relates to the field of magnesia-calcium tundish dry material working linings, and comprises a furnace body, a magnesia-calcium tundish dry material working lining is arranged in the furnace body, and the outer wall of the magnesia-calcium tundish dry material working lining is fixedly connected with a guide block. The inner wall of the guide block is movably connected with a buffer piece, one side of the buffer piece is fixedly connected with a damping spring, molten steel is injected into the magnesia-calcium tundish dry material working furnace lining, the buffer piece is driven to extrude the inner wall of the furnace body, the buffer piece deforms to a certain degree and slides along the guide block, and therefore the inner wall of the furnace body is protected. According to the buffering device for the magnesium-calcium tundish dry material working furnace lining, the magnesium-calcium tundish dry material working furnace lining can be preliminarily buffered, the buffering pieces extend and extrude the damping springs, the magnesium-calcium tundish dry material working furnace lining can be further buffered, and the effect that the magnesium-calcium tundish dry material working furnace lining can be conveniently buffered and protected when molten steel is injected is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to magnesium calcium quality tundish dry material working lining field, concretely is a kind of magnesium calcium quality tundish dry material working lining. BACKGROUND

[0002] Magnesium calcium quality tundish dry material working lining is an important material used in steel metallurgical process, mainly by magnesium quality and calcium material composition, widely used in intermediate ladle in steel continuous casting production.Medium ladle is the transition container of molten steel from steelmaking furnace to continuous casting machine, and the quality of its working lining directly affects the quality of molten steel and the efficiency of continuous casting production.Magnesium calcium quality tundish dry material working lining can provide good accommodation and protection environment for molten steel, ensure the purity and temperature stability of molten steel, so as to improve the quality of continuous casting billet, and the current magnesium calcium quality tundish dry material working lining is not convenient to buffer when molten steel is injected, so a magnesium calcium quality tundish dry material working lining is needed.

[0003] The existing magnesium calcium quality tundish dry material working lining is not convenient to buffer the just injected molten steel when using, thereby affecting the service life of working lining, and the current magnesium calcium quality tundish dry material working lining has poor erosion resistance, so there is an urgent need for a magnesium calcium quality tundish dry material working lining. UTILITY MODEL CONTENT

[0004] Therefore, the utility model aims at providing a magnesium calcium quality tundish dry material working lining to solve the problems of inconvenient buffering of just injected molten steel and poor erosion resistance of the existing magnesium calcium quality tundish dry material working lining.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a magnesium calcium quality tundish dry material working lining, which comprises a furnace body, a magnesium calcium quality tundish dry material working furnace lining is installed inside the furnace body, a guide block is fixedly connected to the outer wall of the magnesium calcium quality tundish dry material working furnace lining, a buffer piece is movably connected to the inner wall of the guide block, and a damping spring is fixedly connected to one side of the buffer piece.

[0006] The inner wall of the magnesium calcium quality tundish dry material working furnace lining is fixedly connected with a ceramic coating, and the inner part of the ceramic coating is fixedly connected with a polytetrafluoroethylene coating.

[0007] Preferably, the guide block is L-shaped, and the guide block is symmetrically arranged with the central axis of the buffer piece.

[0008] Preferably, the buffer piece forms a sliding structure with the magnesium calcium quality tundish dry material working furnace lining through the guide block, and the buffer piece is elastically arranged.

[0009] Preferably, the buffer piece is arranged in a ring shape around the central axis of the magnesium calcium quality tundish dry material working furnace lining, and the buffer piece is movably connected with the furnace body.

[0010] Preferably, the magnesium calcium medium package dry material working furnace lining and the ceramic coating are closely attached, and the magnesium calcium medium package dry material working furnace lining and the ceramic coating are arranged in parallel.

[0011] Preferably, the ceramic coating and the polytetrafluoroethylene coating are closely attached, and the ceramic coating and the polytetrafluoroethylene coating are arranged in parallel.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] 1, the utility model discloses a furnace body, magnesium calcium medium package dry material working furnace lining, guide block, buffer piece and damping spring are set up, through the molten steel is injected into magnesium calcium medium package dry material working furnace lining, drives buffer piece and presses the inner wall of furnace body, makes buffer piece and slide along guide block and can carry out the primary buffering of magnesium calcium medium package dry material working furnace lining to the extension of buffer piece and press damping spring, can further buffer magnesium calcium medium package dry material working furnace lining, play the effect of buffering protection to magnesium calcium medium package dry material working furnace lining when the molten steel is injected, thereby improve the service life of magnesium calcium medium package dry material working furnace lining.

[0014] 2, the utility model discloses a magnesium calcium medium package dry material working furnace lining, ceramic coating and polytetrafluoroethylene coating are set up, through the inner wall fixed connection of magnesium calcium medium package dry material working furnace lining has ceramic coating, can prevent various impurities and slag in the molten steel and penetrate to the inside of magnesium calcium medium package dry material working furnace lining, through the inner wall fixed connection of ceramic coating has polytetrafluoroethylene coating, can prevent some components in the molten steel and magnesium calcium medium package dry material working furnace lining and take place chemical reaction, can improve the corrosion resistance of magnesium calcium medium package dry material working furnace lining. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0016] Figure 2 It is magnesium calcium medium package dry material working furnace lining three-dimensional view of the utility model;

[0017] Figure 3 It is buffer piece three-dimensional view of the utility model;

[0018] Figure 4 It is magnesium calcium medium package dry material working furnace lining three-dimensional view of the utility model.

[0019] In the drawing: 1, furnace body;2, magnesium calcium medium package dry material working furnace lining;3, guide block;4, buffer piece;5, damping spring;6, ceramic coating;7, polytetrafluoroethylene coating. DETAILED DESCRIPTION

[0020] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be construed as limiting the present invention.

[0021] The embodiments of this utility model will be described below based on its overall structure.

[0022] Please see Figures 1-4 A magnesium-calcium tundish dry material working lining includes a furnace body 1, with a magnesium-calcium tundish dry material working furnace lining 2 installed inside the furnace body 1. A guide block 3 is fixedly connected to the outer wall of the magnesium-calcium tundish dry material working furnace lining 2, and a buffer plate 4 is movably connected to the inner wall of the guide block 3. A damping spring 5 is fixedly connected to one side of the buffer plate 4. The guide block 3 is L-shaped and symmetrically arranged with respect to the central axis of the buffer plate 4. The buffer plate 4 forms a sliding structure with the magnesium-calcium tundish dry material working furnace lining 2 through the guide block 3. The buffer plate 4 is elastic and arranged in a ring around the central axis of the magnesium-calcium tundish dry material working furnace lining 2. The buffer plate 4 is movably connected to the furnace body 1, which facilitates buffering and protection of the magnesium-calcium tundish dry material working furnace lining 2 during molten steel injection.

[0023] Please see Figures 1-4 A magnesium-calcium tundish dry material working lining 2 has a ceramic coating 6 fixedly connected to its inner wall, and a polytetrafluoroethylene coating 7 fixedly connected to the inside of the ceramic coating 6. The magnesium-calcium tundish dry material working lining 2 and the ceramic coating 6 are tightly bonded and arranged in parallel. The ceramic coating 6 and the polytetrafluoroethylene coating 7 are also tightly bonded and arranged in parallel, which can improve the corrosion resistance of the magnesium-calcium tundish dry material working lining 2.

[0024] Working principle: in use, by pouring molten steel into the magnesium calcium intermediate ladle dry material working furnace lining 2, the magnesium calcium intermediate ladle dry material working furnace lining 2 transmits the vibration to the buffer sheet 4, drives the buffer sheet 4 to extrude the inner wall of the furnace body 1, so that the buffer sheet 4 deforms and slides along the guide block 3, the magnesium calcium intermediate ladle dry material working furnace lining 2 can be preliminarily buffered, and under the guidance of the guide block 3, the buffer sheet 4 extends and extrudes the damping spring 5, the magnesium calcium intermediate ladle dry material working furnace lining 2 can be further buffered, the inner wall of the magnesium calcium intermediate ladle dry material working furnace lining 2 is fixedly connected with the ceramic coating 6, which can prevent various impurities and slag in the molten steel from penetrating into the magnesium calcium intermediate ladle dry material working furnace lining 2, the inner wall of the ceramic coating 6 is fixedly connected with the polytetrafluoroethylene coating 7, which can prevent some components in the molten steel from reacting with the magnesium calcium intermediate ladle dry material working furnace lining 2 and reduce chemical corrosion, so the use process of the device is completed, and the contents not described in detail in the specification belong to the prior art known to those skilled in the art.

[0025] The orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or positional relationship shown in the drawings, which is only a simplified description for the convenience of describing the utility model, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the protection scope of the utility model.

[0026] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A magnesite-chamotte intermediate- vessel dry-charging lining, comprising a furnace body (1), characterised in that: The inside of the furnace body (1) is internally provided with a magnesium-calcium intermediate package dry material working furnace lining (2), the outer wall of the magnesium-calcium intermediate package dry material working furnace lining (2) is fixedly connected with a guide block (3), the inner wall of the guide block (3) is movably connected with a buffer piece (4), one side of the buffer piece (4) is fixedly connected with a damping spring (5); The inner wall of the magnesium-calcium intermediate package dry material working furnace lining (2) is fixedly connected with a ceramic coating (6), and the inside of the ceramic coating (6) is fixedly connected with a polytetrafluoroethylene coating (7).

2. A magnesia-chrome intermediate dry powder working lining according to claim 1, characterized in that: The guide block (3) is L-shaped, and the guide block (3) is symmetrically arranged with the central axis of the buffer piece (4).

3. A magnesia-chrome intermediate dry powder working lining according to claim 1, characterized in that: The buffer piece (4) is in sliding connection with the magnesium-calcium intermediate package dry material working furnace lining (2) through the guide block (3), and the buffer piece (4) is elastically arranged.

4. The MgO-CaO intermediate ladle dry material working lining according to claim 1, characterized in that: The buffer piece (4) is arranged in a ring shape with the central axis of the magnesium-calcium intermediate package dry material working furnace lining (2) as the center, and the buffer piece (4) is movably connected with the furnace body (1).

5. A magnesite-chamotte intermediate-duct dry powder working lining according to Claim 1, characterized in that: The magnesium-calcium intermediate package dry material working furnace lining (2) is closely attached to the ceramic coating (6), and the magnesium-calcium intermediate package dry material working furnace lining (2) is arranged in parallel with the ceramic coating (6).

6. A magnesite-christmasite intermediate dry powder working lining according to claim 1, characterized in that: The ceramic coating (6) is closely attached to the polytetrafluoroethylene coating (7), and the ceramic coating (6) is arranged in parallel with the polytetrafluoroethylene coating (7).

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