Method for manufacturing integral vacuum chamber of vacuum refining device

A vacuum refining and manufacturing method technology, applied in the field of integral vacuum tank chamber manufacturing, can solve the problems of low processing efficiency and high processing cost, achieve high processing efficiency, reduce processing difficulty, and improve processing efficiency
CN101082073AInactive Publication Date: 2007-12-05BAOSTEEL ENG & TECH GRP

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
BAOSTEEL ENG & TECH GRP
Publication Date
2007-12-05
Estimated Expiration
Not applicable · inactive patent

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Abstract

The present invention relates to process of making integrated vacuum chamber for vacuum refining apparatus. The making process of integrated vacuum chamber includes the separate machining of two chamber sections, including one upper section of 3000-3400 mm height and one lower section, in a common large floor-type milling and boring machine; the subsequent butt welding of two sections and annealing; and final ultrasonic or ray detection. The making process has the advantages of low production cost and high production efficiency.
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Description

technical field

[0001] The invention relates to a vacuum refining device in the metallurgical manufacturing industry, in particular to an integral vacuum chamber manufacturing method in the vacuum refining device adopting a vacuum cycle degassing method (RH). Background technique

[0002] The vacuum tank or vacuum chamber is one of the important equipment in the RH vacuum refining device. When the vacuum tank chamber is processing molten steel, its interior is in a vacuum state, and molten steel circulates in it. When the vacuum chamber does not process molten steel, its interior returns to normal pressure. The internal temperature and pressure of the vacuum chamber fluctuate, the working conditions are harsh, the operating load is high, the reliability of the equipment is high, and the manufacturing quality must be strictly guaranteed.

[0003] The main body of the vacuum chamber is welded steel structure, lined with heat insulation and refractory materials. According to...

Claims

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