Steel ladle argon blowing butt joint device based on air cylinder driving

Abstract

The utility model discloses a steel ladle argon blowing butt joint device based on cylinder driving, which belongs to the technical field of molten steel smelting, and comprises a male joint and a female joint, and the female joint is positioned right above the male joint; the steel ladle is arranged on the steel ladle support, and the female connector is installed on the steel ladle support; a cylinder for driving the male joint to move up and down is mounted on the upper surface of the mounting platform, a piston rod of the cylinder is vertically upward, and the male joint is mounted at the top of the piston rod; the piston rod is of a hollow structure and penetrates through the air cylinder and the mounting platform from top to bottom; the piston rod is fixedly connected with the piston; the argon pipeline is arranged in the piston rod, the upper end of the argon pipeline is connected with the male connector, and the lower end of the argon pipeline is connected with an argon source through an argon inlet connector. According to the utility model, the lifting motion of the male joint can be realized by utilizing the cylinder drive, so that the stable butting process of the male joint and the female joint is ensured, and violent collision between the male joint and the female joint is avoided.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the steel smelting technical field especially relates to a kind of steel ladle argon blowing butt joint device based on pneumatic cylinder drive. BACKGROUND

[0002] Steel ladle argon blowing is a crucial step in the steel smelting process, which involves blowing argon gas directly into the molten steel in the ladle through a specially designed argon blowing device. During this process, argon gas forms countless tiny bubbles, which gradually float to the surface of the molten steel. As the bubbles rise, they effectively carry and remove harmful gases such as hydrogen and nitrogen dissolved in the molten steel, significantly reducing the formation of pores in the steel, and thus improving the quality of the final steel product. In addition, these bubbles produce stirring action on the molten steel during their ascent, helping to make the chemical composition and temperature distribution of the molten steel more uniform. This uniformity is crucial for promoting the floating and removal of inclusions, thus having a significant positive impact on improving the purity and overall performance of the steel.

[0003] In existing technical practice, the steel ladle argon blowing process mainly relies on two methods: spring-type automatic argon blowing butt joint device and manual argon connection process. However, the spring-type automatic argon blowing butt joint device is prone to collision during butt joint operation due to its mechanical structure characteristics, which not only causes damage to the equipment, but also may cause safety accidents. While the manual argon connection process uses quick-change connectors to achieve the butt joint of argon blowing, the operator needs to perform the insertion and removal of hoses in a high-temperature and dangerous environment, which is extremely prone to molten steel splashing, and the splashed molten steel may cause harm to the operator. UTILITY MODEL CONTENTS

[0004] To solve the problems existing in the prior art, the utility model provides a steel ladle argon blowing butt joint device based on pneumatic cylinder drive, which can realize the lifting movement of the male connector by pneumatic cylinder drive, and thus ensure the stable butt joint process of the male connector and the female connector, avoiding violent collision between them.

[0005] The technical scheme adopted by the utility model is as follows:

[0006] A steel ladle argon blowing butt joint device based on pneumatic cylinder drive, comprising:

[0007] Male connector and female connector, the female connector is located directly above the male connector;

[0008] Steel ladle support, the steel ladle is arranged on the steel ladle support, and the female connector is installed on the steel ladle support;

[0009] An installation platform is provided with a cylinder for driving a male joint to move up and down, a piston rod of the cylinder is vertically upward, and the male joint is installed on the top of the piston rod; the piston rod is a hollow structure, and the piston rod penetrates the cylinder and the installation platform from top to bottom; the piston rod and the piston are fixedly connected;

[0010] An argon pipeline is arranged in the piston rod, an upper end of the argon pipeline is connected with the male joint, and a lower end of the argon pipeline is connected with an argon source through an argon inlet joint.

[0011] Preferably, the piston divides the cylinder into an upper chamber and a lower chamber, a cylinder upper chamber gas source hole is arranged in a side wall of the upper chamber, and a cylinder lower chamber gas source hole is arranged in a side wall of the lower chamber.

[0012] Preferably, the cylinder upper chamber gas source hole is connected with a first high-pressure gas source through a first gas pipeline, and the cylinder lower chamber gas source hole is connected with a second high-pressure gas source through a second gas pipeline.

[0013] Preferably, a manual switch is installed on the first gas pipeline and the second gas pipeline.

[0014] Preferably, a side wall of the piston rod is provided with an annular protrusion.

[0015] Preferably, an argon outlet joint is installed on the female joint.

[0016] Compared with the prior art, the application has the advantages and positive effects that:

[0017] Through implementation of the above technical solution, the crown block moves up and down while holding the ladle, and direct contact between the male joint and the female joint does not occur in the process of falling of the ladle, so that the problem of possible collision is avoided. When the female joint reaches a stable state, the male joint slowly rises under the driving of the cylinder, and finally the sealing surfaces of the male joint and the female joint can be closely combined together. This innovative technology effectively solves the problems existing in the traditional method. Specifically, the traditional spring type automatic argon blowing butt joint device is prone to collision during butt joint operation due to its structural characteristics, which not only causes damage to the equipment, but also may cause safety accidents. Although the manual argon connection process adopts a quick-change joint for argon blowing operation, there is a risk of splashing of molten steel when the operator performs the plug-in and plug-out operation of the hose in the high-temperature dangerous area, which not only threatens the safety of the operator, but also may cause harm to the surrounding environment. Therefore, the new butt joint technology proposed by us not only improves the safety of the operation, but also improves the overall operation efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings in the following description only represent some of the embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0019] Figure 1 Structure diagram when the male joint and the female joint are not in contact in the preferred embodiment of the present application;

[0020] Figure 2 Structure diagram when the male joint and the female joint are in contact in the preferred embodiment of the present application.

[0021] 1, mounting platform; 2, cylinder; 3, male joint; 4, piston; 5, cylinder lower cavity gas source hole; 6, cylinder upper cavity gas source hole; 7, argon inlet joint 8, female joint; 9, argon outlet joint 10, ladle support. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments only represent some of the embodiments of the present application, rather than all the embodiments. 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. Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0023] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "connected", "connected" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be connected inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0024] Please refer to Figure 1 and Figure 2A kind of steel ladle argon purging butt joint device based on cylinder drive, it mainly includes: male joint 3 and female joint 8;Female joint 8 is installed on steel ladle, and provides argon for steel ladle;The female joint 8 is located in the upper of male joint 3;Steel ladle is set on steel ladle support 10, and female joint 8 is installed on steel ladle support 10;Gas cylinder 2 for driving male joint 3 to move up and down is installed on the upper surface of installation platform 1, the piston rod of the gas cylinder 2 is vertically upwards, and the male joint 3 is installed on the top of piston rod;The piston rod is hollow structure, and the piston rod is from top to bottom through gas cylinder 2 and installation platform 1;The piston rod and piston 4 are fixedly connected, so that, in the process of the piston 4 moving up and down, the piston rod is driven to perform up and down reciprocating motion;Argon pipeline is arranged in the piston rod, the upper end of the argon pipeline is connected with male joint 3, and the lower end of the argon pipeline is connected with argon gas source through argon inlet joint 7, so that high-pressure argon in argon gas source enters male joint 3 in sequence through argon inlet joint 7 and argon pipeline.

[0025] The piston 4 divides the gas cylinder 2 into upper chamber and lower chamber, and the side wall of the upper chamber is provided with cylinder upper chamber gas source hole 6, and the side wall of the lower chamber is provided with cylinder lower chamber gas source hole 5.

[0026] The cylinder upper chamber gas source hole 6 is connected with first high-pressure gas source through first gas pipeline, and the cylinder lower chamber gas source hole 5 is connected with second high-pressure gas source through second gas pipeline.In the actual working process, the gas pressure of the upper chamber can be controlled by the first high-pressure gas source, and the gas pressure of the lower chamber can be controlled by the second high-pressure gas source, and the rising or falling of the piston can be controlled by the different gas pressures of the upper chamber and the lower chamber.

[0027] Manual switch is installed on the first gas pipeline and the second gas pipeline.

[0028] The side wall of the piston rod is provided with annular protrusion 11.

[0029] The female joint 8 is provided with argon outlet joint 9.

[0030] Working principle: In practical application, in the initial stage, the cylinder rod is lowered to the lowest position, then the ladle drives the female joint 8 to descend a certain height, at this time, the male joint will not be in contact with the female joint, then the cylinder is started, so that the cylinder rod drives the male joint to slowly rise, when the male joint is successfully connected with the female joint, the cylinder rod stops rising, finally the argon gas source is opened to supply gas to the male joint, the argon gas enters the female joint through the male joint, and then enters the ladle. Obviously, when the ladle is lowered, the male joint will not be in contact with the female joint, thereby effectively avoiding the collision problem that may occur. When the female joint is stable, the male joint will slowly rise under the drive of the cylinder until the sealing surface of the female joint is tightly fitted. This design successfully solves some problems existing in the traditional butt joint method. For example, the traditional spring type automatic argon blowing butt joint device is prone to collision when butt joint is performed, which not only may cause equipment damage, but also may cause safety accidents. Although the manual argon connection process adopts quick-change joints for argon blowing, the operator needs to plug and unplug the hose in a high-temperature and dangerous environment, which not only increases the operation difficulty, but also may fly out due to the spattering of molten steel, causing safety hazards of personal injury. Through this improved butt joint method, we can effectively reduce the risk of equipment damage and personal safety accidents.

[0031] The above merely describes preferred embodiments of the present application, and is not intended to limit the protection scope of the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A ladle argon blowing butt joint device based on cylinder drive, comprising a male joint (3) and a female joint (8), the female joint (8) is located directly above the male joint (3); characterized in that, Also include: The ladle support (10), the ladle is arranged on the ladle support (10), and the female joint (8) is installed on the ladle support (10); The installation platform (1) is provided with a cylinder (2) for driving the male joint (3) to move up and down on the upper surface of the installation platform (1), the piston rod of the cylinder (2) is vertically upward, and the male joint (3) is installed on the top of the piston rod; The piston rod is a hollow structure, and the piston rod penetrates the cylinder (2) and the installation platform (1) from top to bottom; The piston rod and the piston (4) are fixedly connected; An argon pipeline is arranged in the piston rod, the upper end of the argon pipeline is connected with the male joint (3), and the lower end of the argon pipeline is connected with an argon gas source through an argon inlet joint (7).

2. The ladle argon purging docking device based on cylinder drive according to claim 1, characterized in that, The piston (4) divides the cylinder (2) into an upper chamber and a lower chamber, a cylinder upper chamber gas source hole (6) is arranged in the side wall of the upper chamber, and a cylinder lower chamber gas source hole (5) is arranged in the side wall of the lower chamber.

3. The ladle argon purging docking device based on cylinder drive according to claim 2, characterized in that, The cylinder upper chamber gas source hole (6) is connected with a first high-pressure gas source through a first gas pipeline, and the cylinder lower chamber gas source hole (5) is connected with a second high-pressure gas source through a second gas pipeline.

4. The ladle argon purging docking device based on cylinder drive according to claim 3, characterized in that, Manual switches are installed on the first gas pipeline and the second gas pipeline.

5. The ladle argon purging docking device based on cylinder drive according to any one of claims 1 to 3, characterized in that, An annular protrusion (11) is arranged in the side wall of the piston rod.

6. The ladle argon purging docking device based on cylinder drive according to claim 5, characterized in that, An argon outlet joint (9) is installed on the female joint (8).

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