Energy-saving multifunctional casting blank flame cleaning device

CN119456572AActive Publication Date: 2025-02-18SHANGHAI DONGZHEN METALLURGY ENG TECH
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Patent Information

Application Number
CN202411564217.5
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-11-05
Publication Date
2025-02-18
Estimated Expiration
2044-11-05

AI Technical Summary

Technical Problem

The cleaning efficiency of existing flame cleaning machines in the edges and middle sections of the casting blank is uneven, resulting in the problem of different depths of crescent-shaped shapes on the surface of the casting blank, and the need for fixed-point and fixed-depth cleaning of mid- and low-end products has not been fully met.

Method used

An energy-saving multi-functional casting flame cleaning device was designed, using upper floating beams and lower floating beams to lift and lower vertically and horizontally through the cylinders, combining the sliding rail design of the locking cylinder and piston cylinder to realize multiple areas of the casting surface. , cleaning in depth.

Benefits of technology

The deep and deep cleaning of the edges of the casting billet and the fixed-depth cleaning of fixed-areas, reduce the cleaning of non-essential areas, reduce metal losses, improve the surface quality and material output of the casting billet, and help "green metallurgy".

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Abstract

A fixed end piston and a floating end piston are additionally arranged in a cleaning oxygen cavity of an upper horizontal distributor piston cylinder assembly and a lower horizontal distributor piston cylinder assembly, the cleaning oxygen cavity is divided into a fixed end cavity, a middle use section cavity and a floating end cavity, and the section of a casting blank is divided into eight optional cleaning areas. In addition, the eight cleaning areas are subjected to PID adjustment through independent valve stations, multifunctional combination of the eight optional cleaning areas is achieved, casting blank surface defect fixed-area and fixed-depth cleaning is achieved, cleaning of unnecessary areas is reduced, metal loss is reduced, the yield of finished products is increased, and cost reduction and efficiency improvement are achieved. For a hot blank, the oxygen pressure of the top fixed end, the top floating end, the bottom fixed end, the bottom floating end and other edge relative low-temperature areas is increased, so that the target cleaning depth is obtained, the hot blank heat transfer rate is increased, energy consumption is reduced, and green metallurgy is assisted.
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Citation Information

Patent Citations

  • Scarfing machine horizontal distributor replacement method

    CN110614414A

  • Oxygen and coal gas separator in hot scarfing machine

    CN202344100U

  • Casting blank off-line surface cleaning trolley

    CN213053171U

  • Thermochemical scarfing apparatus

    GB1139732A

  • Melting / shaving apparatus

    JP1997210320A