Large-scale tundish split type working layer moulding bed

Abstract

The utility model discloses a large-scale tundish split type working layer moulding bed which comprises a moulding bed body, the moulding bed body comprises a positioning moulding bed and split moulding beds which are arranged in a box-shaped sealing mode, the split moulding beds are detachably arranged at the two ends of the positioning moulding bed respectively, lifting lugs, burners and smoke outlets are arranged on the tops of the positioning moulding bed and the split moulding beds respectively, and the positioning moulding bed and the split moulding beds are arranged on the top of the positioning moulding bed and the top of the split moulding bed respectively. The burners and the smoke outlet are respectively communicated with the internal spaces of the positioning moulding bed and the split moulding bed, each burner is provided with a combustion gas pipe, automatic igniters corresponding to the burners are arranged at the inner tops of the positioning moulding bed and the split moulding bed, and heat-conducting fins are respectively arranged at the inner bottoms and inner walls of the positioning moulding bed and the split moulding bed. According to the utility model, the existing large tundish dry material moulding bed is improved, and when one part is deformed and damaged, only the positioning moulding bed or the split moulding bed at the damaged part needs to be replaced, so that the use cost is greatly reduced, the deformation probability is reduced, and the service life is effectively prolonged.

Description

TECHNICAL FIELD

[0001] The utility model belongs to refractory tundish production technical field especially relates to a large tundish split type working layer mould. BACKGROUND

[0002] At present, the large tundish dry material mould is basically integral type, and the back plate and the bottom plate are formed by welding after being spliced by one whole steel plate or several steel plates, in the use process, under the double action of physical vibration of vibrating motor and internal high temperature baking, the deformation condition is extremely easy to appear, limited to the integral type steel structure, after deformation, it is difficult to repair, can only be scrapped, lead to the service life of this large tundish dry material mould being short, not conducive to cost reduction and efficiency increase.

[0003] Therefore, a new tundish dry material mould with low service life needs to be effectively solved. UTILITY MODEL CONTENTS

[0004] The utility model relates to a large tundish split type working layer mould.

[0005] The utility model discloses a large tundish split type working layer mould.

[0006] Further, the heat conduction fins are vertically or horizontally arranged on the inner bottom of the positioning mould and the split mould.

[0007] Further, the heat conduction fins are vertically or horizontally arranged on the inner bottom of the positioning mould and the split mould.

[0008] The utility model discloses an improved large-scale intermediate ladle dry type material mould, which is combined with a positioning mould and a split mould according to the shape, and the positioning mould and the split mould are independent of each other and form airtight space, and the positioning mould and the split mould have independent vibration and heating and baking functions. BRIEF DESCRIPTION OF DRAWINGS

[0009] Figure 1 It is a three-dimensional structure schematic diagram of the utility model;

[0010] Figure 2 It is a three-dimensional structure schematic diagram of the positioning mould;

[0011] Figure 3 It is a top view structure schematic diagram of the heat conduction fin in the positioning mould;

[0012] Figure 4 It is a three-dimensional structure schematic diagram of the split mould;

[0013] Figure 5 It is a top view structure schematic diagram of the heat conduction fin in the split mould;

[0014] Mark number in drawing: 1~positioning mould, 2~split mould, 3~lifting lug, 4~burner, 5~smoke outlet, 6~heat conduction fin, 7~vibration motor, 8~fixed seat, 9~automatic igniter, 10~gas pipe, 11~combustion pipe, 12~guide groove, 13~limitation convex strip. DETAILED DESCRIPTION

[0015] In order to make the technician in the technical field better understand the technical scheme of the utility model, the specific implementation mode is explained in detail below in combination with the drawings.

[0016] As Figures 1-5The large-scale split working layer tire mold of the intermediate ladle shown comprises a tire mold body, a lifting lug 3 arranged at the top of the tire mold body for lifting and moving, a burner 4 for baking the inside of the tire mold body, and a smoke exhaust port 5 for discharging the smoke generated by baking, wherein the tire mold body comprises a positioning tire mold 1 and a split tire mold 2 arranged in a box-shaped closed manner, the split tire mold 2 is detachably arranged at both ends of the positioning tire mold 1, the positioning tire mold 1 and the split tire mold 2 are respectively provided with the lifting lug 3, the burner 4, and the smoke exhaust port 5 at the top, the burner 4 and the smoke exhaust port 5 respectively communicate with the internal space of the positioning tire mold 1 and the split tire mold 2, each burner 4 is provided with a combustion gas pipe, and an automatic igniter 9 is arranged at the top of the positioning tire mold 1 and the split tire mold 2 corresponding to each burner 4, and the inner bottom and each inner wall of the positioning tire mold 1 and the split tire mold 2 are respectively provided with heat-conducting fins 6.

[0017] The heat-conducting fins 6 are vertically or horizontally arranged at the inner bottom of the positioning tire mold 1 and the split tire mold 2.

[0018] The heat-conducting fins 6 are vertically arranged at each inner wall of the positioning tire mold 1 and the split tire mold 2, and are arranged alternately with the heat-conducting fins 6 at the inner bottom of the positioning tire mold 1 and the split tire mold 2.

[0019] The combustion gas pipe comprises a gas pipe 10 and a combustion-supporting pipe 11 connected to the burner 4 through a tee pipe, so that the gas and the combustion-supporting gas are mixed in the tee pipe first, and then sprayed out through the burner 4 for combustion, that is, a premix combustion mode, the burner 4 is arranged in a fixed seat 8 installed at the top of the positioning tire mold 1 and the split tire mold 2, the other end of the gas pipe 10 and the combustion-supporting pipe 11 is respectively connected with a supply pipe, the supply pipe and the gas pipe 10 and the combustion-supporting pipe 11 are connected by a flexible joint, such as a rubber pipe, the gas pipe 10 and the combustion-supporting pipe 11 are provided with a fixed support, so as to avoid the rupture and damage of the supply pipe and the gas pipe 10 and the combustion-supporting pipe 11 due to rigid connection when the top of the positioning tire mold 1 and the split tire mold 2 vibrates.

[0020] At least one vibration motor 7 is arranged at the top of the positioning tire mold 1 and the split tire mold 2, respectively, so as to make the positioning tire mold 1 and the split tire mold 2 vibrate, and then realize the vibration of the dry material for pouring, so as to make the dry material tightly combined.

[0021] At least three burners 4 are arranged at the top of the positioning tire mold 1, and at least two burners 4 are arranged at the top of the split tire mold 2.

[0022] The positioning tire mold 1, the split tire mold 2, and the heat-conducting fins 6 are made of iron or steel, and the heat-conducting fins 6 are integrally formed with the positioning tire mold 1 and the split tire mold 2.

[0023] The thickness of the top, the side wall, and the bottom of the positioning tire mold 1 and the split tire mold 2 is not less than 1 cm.

[0024] Further, in use, two guide grooves 12 are vertically arranged on the two end faces of the positioning tire mold 1 according to requirements, and a limiting protrusion 13 matched with the guide groove 12 is arranged on the end face of the split tire mold 2, so that the positioning tire mold 1 and the split tire mold 2 are spliced into one body through the cooperation of the guide groove 12 and the limiting protrusion 13, the back faces of the two are ensured to be on the same straight line, and the occurrence of splicing misplacement is reduced.

[0025] The working mode of the utility model is as follows: 1, the positioning tire mold 1 is placed in the intermediate ladle to be poured for positioning, then the split tire mold 2 is placed in the two ends of the positioning tire mold 1 according to the position of the positioning tire mold 1, so that the complete tire mold body is installed and combined, and positioning is realized, at this time, the tire mold body is completely placed in the poured intermediate ladle, and a certain space is provided between the two, which is the working layer to be poured;

[0026] 2, starting construction, pouring dry material to make the working layer from the gap formed between the inner wall of the intermediate ladle and the tire mold body, then starting the vibrating motor 7 to vibrate and compact the dry material, and then closing the vibrating motor 7;

[0027] 3, using a soft sealing pipe, a flexible joint or a rubber pipe as a joint, connecting the gas pipe 10 and the combustion-supporting pipe 11 on the positioning tire mold 1 and the split tire mold 2 through the supply pipe in series, after confirming that the connection is sealed, connecting the supply pipe connected to the gas pipe 10 to a gas source (such as coal gas or natural gas), and connecting the supply pipe connected to the combustion-supporting pipe 11 to a combustion-supporting gas source (normal temperature compressed air);

[0028] 4, supplying gas first and then igniting, after the flame is stable, increasing the supply amount of combustion-supporting gas, using the heat generated by combustion to heat the positioning tire mold 1 and the split tire mold 2, and then drying the poured dry material, finally realizing the drying and setting of the dry material of the working layer; after the baking is completed, closing the gas first, and then closing the combustion-supporting gas and cooling;

[0029] 5, after the positioning tire mold 1 and the split tire mold 2 are cooled, disconnecting the connection relationship between the gas pipe 10, the combustion-supporting pipe 11 and the supply pipe, pulling out the split tire mold 2 first, and then pulling out the positioning tire mold 1, and the intermediate ladle is completed;

[0030] 6, in the cooling process, in order to accelerate the cooling speed, after the gas is closed, normal temperature combustion-supporting gas can also be continuously supplied to the positioning tire mold 1 and the split tire mold 2 through the combustion-supporting pipe 11 for heat exchange and cooling, so as to accelerate the cooling of the positioning tire mold 1 and the split tire mold 2.

Claims

1. A large-scale tundish split working layer mold, comprising a mold body, a lifting lug (3), a burner (4), and a smoke exhaust port (5) provided on the top of the mold body, characterized in that: The tire mold body comprises a positioning tire mold (1) and a split tire mold (2) which are sealed in a box shape. The split tire mold (2) is detachably arranged at both ends of the positioning tire mold (1). The tops of the positioning tire mold (1) and the split tire mold (2) are respectively provided with hanging ears (3), burners (4), and smoke exhaust ports (5). The burners (4) and the smoke exhaust ports (5) are respectively connected to the internal spaces of the positioning tire mold (1) and the split tire mold (2). Each burner (4) is provided with a combustion air pipe. An automatic igniter (9) is provided at the top of the positioning tire mold (1) and the split tire mold (2) corresponding to each burner (4). Heat-conducting fins (6) are respectively provided on the inner bottom and inner walls of the positioning tire mold (1) and the split tire mold (2).

2. The large-scale tundish split working layer mold according to claim 1, characterized in that: The heat-conducting fins (6) are arranged vertically or horizontally on the inner bottom of the positioning mold (1) and the split mold (2).

3. The large-scale tundish split working layer mold according to claim 1, characterized in that: The heat-conducting fins (6) are vertically arranged on the inner walls of the positioning mold (1) and the split mold (2), and are arranged alternately with the heat-conducting fins (6) on the inner bottoms of the positioning mold (1) and the split mold (2).

4. The large-scale tundish split working layer mold according to claim 1, characterized in that: The combustion gas pipe comprises a gas pipe (10) and a combustion-supporting pipe (11), the gas pipe (10) and the combustion-supporting pipe (11) are connected to the burner (4) via a three-way pipe, and the other ends of the gas pipe (10) and the combustion-supporting pipe (11) are respectively connected to a supply pipe.

5. The large-scale tundish split working layer mold according to claim 1, characterized in that: At least one vibration motor (7) is respectively provided on the top of the positioning tire mold (1) and the split tire mold (2).

6. The large-scale tundish split working layer mold according to claim 1, characterized in that: The top of the positioning mold (1) is provided with at least three burners (4), and the top of the split mold (2) is provided with at least two burners (4).

7. The large-scale tundish split working layer mold according to claim 1, characterized in that: The positioning mold (1), the split mold (2), and the heat-conducting fins (6) are made of iron or steel, and the heat-conducting fins (6), the positioning mold (1), and the split mold (2) are integrally formed.

8. The large-scale tundish split working layer mold according to claim 1, characterized in that: The thickness of the top, sidewall and bottom of the positioning mold (1) and the split mold (2) is not less than 1 cm.

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