Full-automatic steel ladle argon connecting device

Abstract

The invention discloses a full-automatic steel ladle argon connecting device. The device comprises a steel ladle car, a steel ladle, and a horizontal follow-up type argon connecting system, wherein two opposite guide plates are arranged on each side of the steel ladle car respectively, the steel ladle is installed on the steel ladle car through saddle seats on the two sides, each saddle seat is arranged between the two guide plates on the same side, the horizontal follow-up type argon connecting system is arranged on one side guide plates of the steel ladle car, and a gas outlet end of the horizontal follow-up type argon connecting system communicates with a spraying and blowing hole formed in the bottom of the steel ladle through a pipeline. The device has the beneficial effects that the overall system is simple in structure, capable of being used in various severe working conditions, low in cost, stable and reliable in operation, and the problems that an existing steel ladle argon connecting device is large in impact and frequent in fault is effectively solved.

Description

technical field [0001] The invention relates to the technical field of steelmaking, in particular to a fully automatic argon connection device and method for a ladle. Background technique [0002] Ladle argon blowing treatment, also known as molten steel argon blowing treatment, is a simple out-of-furnace refining method for degassing molten steel and removing non-metallic inclusions. It has the following important metallurgical significance: 1. Reduce the gas dissolved in molten steel ( Such as hydrogen, nitrogen, oxygen) content; 2. Remove non-metallic inclusions (such as oxides, sulfides, nitrides, etc.) remaining in molten steel; 3. Make the composition and temperature of molten steel uniform before pouring, which can be obviously Lower the opening temperature of pouring. [0003] The argon blowing system at the bottom of the ladle includes the following configurations: ventilation bricks at the bottom of the ladle, piping for the ladle body, argon blowing connection de...

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Problems solved by technology

[0004] At present, there are mainly three types of argon-blowing connectors: manual quick connector, bell-type automatic connector, and flat-plate automatic connector. Among them, the manual quick connector has the advantages of simple equipment and high connection rate, but because of the manual connection, the working time Long, the working environment is harsh, and it is easy to be damaged by ladle slag during operation, and the trolley is not stable, and it is easy to sprain, causing personal injury; The male head is matched with automatic connection, which has the advantages of automatic connection, short working time, personnel do not need to get on the car, and guarantees life safety. However, there are many equipment accessories, which are easy to collide and slag. The impact load is relatively high, so the equipment failure rate is high, the connection success rate is low, and the maintenance workload is large; although the flat automatic joint type can realize fully automatic connection, its sealing ring is not heat-resistant and has a high failure rate, and This method has high requirements on the cleanliness of the reference plane of the trolley. Once there is sticky residue on the reference plane, the system will not be able to automatically connect argon.

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