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What Is a Central Feeding System?<\/h2>\n
A central feeding system<\/strong> \u2014 also known as a centralized conveying system<\/strong>, central material handling system<\/strong>, automatic feeding system<\/strong>, or vacuum conveying system<\/strong> \u2014 transports plastic pellets, regrind, powders, and additives from a central storage area to multiple processing machines through a sealed vacuum pipeline network. It replaces standalone vacuum loaders<\/strong> and hopper loaders<\/strong> with a unified, plant-wide solution.<\/p>\nThe system operates under a central HMI+PLC control platform, enabling one-to-many remote conveying, automatic material selection, and real-time monitoring. It is widely used in injection molding<\/strong>, extrusion<\/strong>, blow molding<\/strong>, and rubber processing<\/strong> plants that require stable, contamination-free material supply for automated production<\/strong>.<\/p>\nAs a central feeding system manufacturer<\/strong> based in China, Streamline Eco Tech (CNHAO) provides turnkey central conveying solutions<\/strong> \u2014 from factory layout design and equipment supply to installation, commissioning, and after-sales support \u2014 for plastics processors worldwide.<\/p>\n<\/div>\n\n
Why Choose a Central Conveying System<\/h3>\n\n- 24-hour continuous material supply<\/strong> for unmanned production<\/li>\n
- 70% labor cost reduction<\/strong> \u2014 one operator manages the entire plant<\/li>\n
- Scientific separation of raw-material and molding areas for cleaner factory layout<\/strong><\/li>\n
- Zero cross-contamination<\/strong> \u2014 sealed pipeline with “one machine, one pipe” design<\/li>\n
- 5-10% material savings<\/strong> through reduced spillage and precise dosing<\/li>\n
- Industry 4.0 ready<\/strong> \u2014 digital traceability, MES\/ERP integration, remote monitoring<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/section>\n
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Central Conveying System Architecture<\/h2>\n
Five integrated subsystems \u2014 material conveying, drying, temperature control, dosing, and recycling \u2014 under one central control system<\/strong> platform<\/p>\n<\/div>\n\n
Central Control System
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HMI + PLC<\/span><\/div>\n<\/div>\n\n
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01<\/div>\n
Material Conveying System<\/h3>\n
Vacuum transport from storage bins to machine receivers<\/p>\n<\/div>\n
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02<\/div>\n
S\u00e9chage et d\u00e9shumidification<\/h3>\n
Pre-drying before conveying to protect hygroscopic resins<\/p>\n<\/div>\n
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03<\/div>\n
Mold Temperature Control<\/h3>\n
Water\/oil TCUs and chillers for stable mold temperature<\/p>\n<\/div>\n
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04<\/div>\n
Dosing & Mixing<\/h3>\n
Gravimetric\/volumetric blenders and proportional valves<\/p>\n<\/div>\n
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05<\/div>\n
Crushing & Recycling<\/h3>\n
Beside-the-press and central granulators for regrind reuse<\/p>\n<\/div>\n<\/div>\n<\/section>\n
<\/p>\n\nRelated Equipment<\/h2>\n\n
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Conveying Components<\/h3>\n
Negative-pressure fan \u00b7 Air cut-off valve \u00b7 Material cut-off valve \u00b7 Storage bin \u00b7 Dust collector \u00b7 Pipe valve joints \u00b7 Three-way bends \u00b7 Pipelines \u00b7 Distribution stations<\/p>\n<\/div>\n
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S\u00e9chage et d\u00e9shumidification<\/h3>\n
Drying machine \u00b7 Dehumidifier \u00b7 Desiccant dryer \u00b7 Hot-air dryer \u00b7 Drying hopper<\/p>\n<\/div>\n
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Temperature Control<\/h3>\n
Mold temperature controller (water\/oil) \u00b7 Chiller \u00b7 Dew-point controller<\/p>\n<\/div>\n
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Dosage et m\u00e9lange<\/h3>\n
Volumetric dosing machine \u00b7 Gravimetric blender\/weighing machine \u00b7 Mixing machine \u00b7 Color masterbatch feeder \u00b7 Proportional valve<\/p>\n<\/div>\n
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Crushing & Recycling<\/h3>\n
Beside-the-press granulator \u00b7 Central heavy-duty crusher \u00b7 Proportional valve \u00b7 Regrind conveying line<\/p>\n<\/div>\n<\/div>\n<\/section>\n
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Project Gallery<\/h2>\n
Real-world central feeding system installations in customer plants<\/p>\n<\/div>\n
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![\"Central](\"https:\/\/cnhao.tech\/wp-content\/uploads\/2026\/08\/Central-Feeding-System.jpg\")
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Plant-wide pipeline layout connected to molding machines<\/p>\n<\/div>\n
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![\"CNHAO](\"https:\/\/cnhao.tech\/wp-content\/uploads\/2026\/08\/REAL-INSTALLATION-PHOTOS.jpg\")
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On-site commissioning and operator training<\/p>\n<\/div>\n<\/div>\n<\/section>\n
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