Injection molding machine

GMI SHEN FEI ZQCB

manual gasfiller
While specific proprietary documentation for a "Shen Fei ZQCB" model is limited in general technical databases, the GWL-1600 ZQCB refers to a high-temperature electric resistance furnace manufactured by Luoyang Torch Star Furnace Co., Ltd., which utilizes specialized gas-filling and vacuum procedures for material fabrication.
In the context of material synthesis (such as CF-SiCNWs/Al composites), the ZQCB gas filling process follows a rigorous sequence to ensure a controlled atmosphere:
Core Gas Filling & Atmosphere Control
Vacuum Evacuation: Before gas is introduced, the furnace chamber is evacuated under vacuum to remove ambient air and contaminants.
Purging and Pressurising: Following evacuation, the furnace is purged and pressurized with a protective atmosphere—typically Argon (Ar)—to a standard pressure of 0.1 MPa.
Protective Atmosphere: The gas filling serves to create an inert environment, preventing oxidation during high-temperature thermal evaporation or sintering processes.
Related Technology Context
If "Shen Fei" refers to the engineering or semiconductor context (such as Shen Yi Engineering or related firms), gas filling systems for these high-purity environments typically include:
Ultra-High Purity (UHP) Gas Delivery: Systems designed for the semiconductor industry to manage bulk gases like nitrogen, helium, hydrogen, and argon with precision flow and pressure control.
Automated Purge Sequences: Sophisticated gas cabinets utilize PLC-controlled automatic purging for safe cylinder changes and maintenance.
Monitoring and Safety: These systems often feature real-time pressure and weight monitoring, excess flow switches, and automatic shutdown in case of alarm trips.
Typical Components of Advanced Gas Filling Systems
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Component Function
Mass Flow Controllers (MFC) Ensure accurate gas flow between 5 cc/min and 250 L/min.
Automatic Changeover Switches between primary and secondary gas sources without interrupting supply.
Pressure Regulators Reduce source gas pressure to ideal process specifications.
Gas Cabinets Exhausted enclosures that contain potential leaks and house UHP manifold systems.
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