Iron ladle capping device

Abstract

The utility model provides an iron ladle capping device, and relates to the technical field of iron and steel smelting, the iron ladle capping device comprises a fixed support, a rotary support, two movable arms and two symmetrically arranged iron ladle covers, the rotary support is hinged to the fixed support, a lifting driving assembly is arranged between the fixed support and the rotary support, and the two movable arms are hinged to the fixed support. The movable arms are rotationally connected with the rotating support, an opening and closing driving assembly is arranged between the rotating support and the corresponding movable arm, the corresponding iron ladle cover is hinged to the corresponding movable arm, and the two iron ladle covers are combined to form two through holes; the device is simple in structure and convenient to operate, opening, closing and lifting of the ladle cover can be controlled, the ladle cover is covered in the molten iron desulphurization stirring process, temperature loss, lime consumption and slag splashing to the external environment are reduced, the molten iron desulphurization efficiency, the recycling rate of a desulfurizer and end point carbon of vanadium extraction smelting are improved, and the production cost is reduced. And after covering, the thermal insulation performance is good, and the stability is high.

Description

Technical Field

[0001] The present application relates to the technical field of steel smelting, and in particular to a ladle covering device. Background Art

[0002] For a long time, many steel companies, constrained by existing equipment and process conditions, have experienced significant temperature loss during the desulfurization and mixing process. This temperature loss leads to reduced desulfurization efficiency and increased production costs. With the development of the market economy, this production method is no longer suitable for the development requirements of cost reduction and efficiency improvement. To reduce consumption and improve desulfurization efficiency, steel companies are gradually adopting ladle covering as a new production control process and technology. Summary of the Invention

[0003] The purpose of the embodiments of the present application is to provide a ladle covering device, which can solve the technical problem that the temperature loss of molten iron during the desulfurization and stirring process is large, and the temperature loss will lead to a decrease in desulfurization efficiency and an increase in production costs.

[0004] An embodiment of the present application provides an iron ladle covering device, comprising a fixed support, a rotating support, two movable arms and two symmetrically arranged iron ladle covers, wherein the rotating support is hinged to the fixed support, a lifting drive assembly is provided between the fixed support and the rotating support, the movable arm is rotatably connected to the rotating support, an opening and closing drive assembly is provided between the rotating support and the corresponding movable arm, the corresponding iron ladle cover is hinged to the corresponding movable arm, and the two iron ladle covers are combined to form two through holes.

[0005] Wherein, the lifting drive assembly includes a first hydraulic cylinder, and the first hydraulic cylinder is hinged between the fixed support and the rotating support.

[0006] Wherein, the opening and closing drive assembly includes a second hydraulic cylinder, and the second hydraulic cylinder is hinged between the rotating support and the corresponding movable arm.

[0007] Among them, the rotating support and the fixed support are hinged by a pin shaft, two rotating shafts are arranged on the rotating support through bearings, the corresponding movable arms are fixedly connected to the corresponding rotating shafts, and the corresponding iron covers are hinged to the corresponding movable arms through a pin shaft.

[0008] Wherein, the first hydraulic cylinder and the fixed support, and the first hydraulic cylinder and the rotating support are respectively hinged through pins.

[0009] Wherein, the second hydraulic cylinder and the rotating support, and the second hydraulic cylinder and the corresponding movable arm are respectively hinged through pins.

[0010] Beneficial effects of the utility model:

[0011] The utility model provides a ladle covering device. When in use, a fixed support is pre-installed on a building structure at a molten iron desulfurization and stirring position, the two ladle covers are driven to close by an opening and closing drive component, and then the rotating support is driven downward by the lifting drive component, the rotating support drives the movable arm to move downward, and the movable arm drives the ladle cover to a height where it is covered on the ladle, and then feeding and stirring can be carried out respectively through two through holes; the device has a simple structure and is easy to operate, and can control the opening and closing and lifting of the ladle cover. The ladle is covered during the molten iron desulfurization and stirring process, which reduces temperature loss, lime consumption and slag splashing to the external environment, improves the molten iron desulfurization efficiency, the recovery rate of the desulfurizer and the terminal carbon of vanadium smelting, and has good thermal insulation performance and high stability after covering, reduces the dust removal load and production consumption of subsequent processes, and improves the economic benefits of the enterprise; the device is convenient for normal feeding and stirring during the molten iron desulfurization process by setting two through holes. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following is a brief introduction to the drawings required for use in the embodiments. It should be understood that the following drawings only show certain embodiments of the present application and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without creative work.

[0013] Figure 1 This is a schematic diagram of the overall front view of the structure of the iron cover in the lowered state in some embodiments of the present application;

[0014] Figure 2 This is a schematic diagram of the overall front view of the iron cover in the raised state in some embodiments of the present application;

[0015] Figure 3 This is a partial top view of the structure of the iron cover in a separated state in some embodiments of the present application;

[0016] Figure 4 This is a partial top view of the structure of the iron cover in the closed state in some embodiments of the present application.

[0017] The reference numerals are:

[0018] 1. Fixed support;

[0019] 2. Rotating support; 21. Rotating shaft;

[0020] 3. Boom;

[0021] 4. Iron clad cover; 41. Through hole;

[0022] 5. Lifting drive assembly; 51. First hydraulic cylinder;

[0023] 6. Opening and closing drive assembly; 61. Second hydraulic cylinder. DETAILED DESCRIPTION

[0024] To make the objectives, technical solutions, and advantages of the embodiments of the present application more clear, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the accompanying drawings of the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Generally, the components of the embodiments of the present application described and shown in the drawings herein can be arranged and designed in various different configurations.

[0025] Therefore, the following detailed description of the embodiments of the present application provided in the accompanying drawings is not intended to limit the scope of the present application for protection, but merely represents selected embodiments of the present application. All other embodiments obtained by persons of ordinary skill in the art based on the embodiments in the present application without creative work are within the scope of protection of the present application.

[0026] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, it does not need to be further defined or explained in subsequent drawings.

[0027] In the description of this application, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, or are the orientations or positional relationships in which the product of this application is typically placed when in use. These terms are intended only to facilitate the description of this application and simplify the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this application. Furthermore, the terms "first," "second," "third," etc., are used only to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0028] Furthermore, terms such as "horizontal," "vertical," and "overhanging" do not necessarily imply that a component must be absolutely horizontal or overhanging, but rather that it can be slightly tilted. For example, "horizontal" simply means that its direction is more horizontal than "vertical," and does not mean that the structure must be completely horizontal, but rather that it can be slightly tilted.

[0029] It should also be noted that, in the description of this application, unless otherwise expressly specified or limited, the terms "disposed," "installed," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical connections or electrical connections; they can refer to direct connections or indirect connections through an intermediate medium; and they can refer to internal connections between two components. Those skilled in the art will understand the specific meanings of the above terms in this application based on the specific circumstances.

[0030] like Figures 1 to 4 As shown, an embodiment of the present application provides an iron ladle covering device, comprising a fixed support 1, a rotating support 2, two movable arms 3 and two symmetrically arranged iron ladle covers 4, the rotating support 2 is hinged to the fixed support 1, a lifting drive assembly 5 is provided between the fixed support 1 and the rotating support 2, the movable arm 3 is rotatably connected to the rotating support 2, an opening and closing drive assembly 6 is provided between the rotating support 2 and the corresponding movable arm 3, the corresponding iron ladle covers 4 are hinged to the corresponding movable arm 3, and the two iron ladle covers 4 are combined to form two through holes 41.

[0031] During use, the fixed support 1 is pre-installed on the building structure at the molten iron desulfurization and stirring position, and the two ladle covers 4 are driven to close by the opening and closing drive component 6, and then the rotating support 2 is driven to move downward by the lifting drive component 5, and the rotating support 2 drives the movable arm 3 to move downward, and the movable arm 3 drives the ladle cover 4 to drop to a height where it is covered on the ladle, and then the feeding and stirring work can be carried out respectively through the two through holes 41; the device has a simple structure and is easy to operate, and can control the opening and closing and lifting of the ladle cover 4. The ladle is covered during the molten iron desulfurization and stirring process, which reduces temperature loss, lime consumption and slag splashing to the external environment, improves the molten iron desulfurization efficiency, the recovery rate of the desulfurizer and the terminal carbon of vanadium smelting, and has good thermal insulation performance and high stability after covering, which reduces the dust removal load and production consumption of the subsequent process and improves the economic benefits of the enterprise; the device is convenient for normal feeding and stirring during the molten iron desulfurization process by setting two through holes 41.

[0032] like Figures 1 to 4 As shown, in this embodiment, the lifting drive assembly 5 includes a first hydraulic cylinder 51, which is hinged between the fixed support 1 and the rotating support 2; when in use, the first hydraulic cylinder 51 is turned on to drive the rotating support 2 to move downward, the rotating support 2 drives the boom 3 to move downward, and the boom 3 drives the iron ladle cover 4 to descend to a height that covers the iron ladle.

[0033] like Figures 1 to 4 As shown, in this embodiment, the opening and closing drive assembly 6 includes a second hydraulic cylinder 61, which is hinged between the rotating support 2 and the corresponding movable arm 3; when in use, the second hydraulic cylinder 61 is opened to drive the two movable arms 3 to move closer to each other, thereby driving the two iron covers 4 to close.

[0034] like Figures 1 to 4 As shown, in this embodiment, the rotating support 2 and the fixed support 1 are hinged by a pin, two rotating shafts 21 are rotatably provided on the rotating support 2 through bearings, the corresponding movable arms 3 are fixedly connected to the corresponding rotating shafts 21, and the corresponding iron cover 4 is hinged to the corresponding movable arms 3 by a pin.

[0035] like Figures 1 to 4 As shown, in this embodiment, the first hydraulic cylinder 51 and the fixed support 1, and the first hydraulic cylinder 51 and the rotating support 2 are respectively hinged through pins.

[0036] like Figures 1 to 4 As shown, in this embodiment, the second hydraulic cylinder 61 and the rotating support 2, and the second hydraulic cylinder 61 and the corresponding movable arm 3 are respectively hinged through pins.

[0037] Working principle: When the ladle covering device provided in the present application is in use, the fixed support 1 is pre-installed on the building structure at the molten iron desulfurization and stirring position, the second hydraulic cylinder 61 is turned on to drive the two movable arms 3 to approach each other, thereby driving the two ladle covers 4 to close, and then the first hydraulic cylinder 51 is turned on to drive the rotating support 2 to move downward, the rotating support 2 drives the movable arm 3 to move downward, and the movable arm 3 drives the ladle cover 4 to descend to a height to cover the ladle, and then the material can be added and stirred through the two through holes 41 respectively.

[0038] The above are merely preferred embodiments of the present application and are not intended to limit the present application. Those skilled in the art will readily appreciate that various modifications and variations are possible. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present application shall be included within the scope of protection of the present application.

Claims

1. A ladle capping device, characterized in that: The invention comprises a fixed support (1), a rotating support (2), two movable arms (3) and two symmetrically arranged iron covers (4), wherein the rotating support (2) is hinged to the fixed support (1), a lifting drive assembly (5) is provided between the fixed support (1) and the rotating support (2), the movable arms (3) are rotatably connected to the rotating support (2), an opening and closing drive assembly (6) is provided between the rotating support (2) and the corresponding movable arms (3), the corresponding iron covers (4) are hinged to the corresponding movable arms (3), and the two iron covers (4) are combined to form two through holes (41).

2. The ladle capping device according to claim 1, characterized in that: The lifting drive assembly (5) comprises a first hydraulic cylinder (51), and the first hydraulic cylinder (51) is hinged between the fixed support (1) and the rotating support (2).

3. The ladle capping device according to claim 1, characterized in that: The opening and closing drive assembly (6) comprises a second hydraulic cylinder (61), and the second hydraulic cylinder (61) is hinged between the rotating support (2) and the corresponding movable arm (3).

4. The ladle capping device according to claim 1, characterized in that: The rotating support (2) is hinged to the fixed support (1) via a pin shaft. Two rotating shafts (21) are rotatably provided on the rotating support (2) via bearings. The corresponding movable arms (3) are fixedly connected to the corresponding rotating shafts (21). The corresponding iron clad covers (4) are hinged to the corresponding movable arms (3) via a pin shaft.

5. The ladle capping device according to claim 2, characterized in that: The first hydraulic cylinder (51) and the fixed support (1), and the first hydraulic cylinder (51) and the rotating support (2) are respectively hinged via pins.

6. The ladle capping device according to claim 3, characterized in that: The second hydraulic cylinder (61) and the rotating support (2), as well as the second hydraulic cylinder (61) and the corresponding movable arm (3) are respectively hinged via pins.

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