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No.26 Longhe Road, Longhu High-tech Development Zone, Huaibei City, Anhui Province, P.R.China
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This fully automatic filling production line is tailor-made for producing small-bottle mineral water (200 ml – 2 L). Drawing on our over ten years of experience in water treatment and equipment manufacturing, the line integrates bottle rinsing, filling, capping, visual inspection and sleeve labeling into one complete workflow. Constructed with food-grade materials and equipped with an intelligent control system, it fully complies with national drinking water hygiene standards and food machinery industry specifications.
Optimized for conventional small-bottle mineral water and other drinking water products, the machine features outstanding strengths including high efficiency, precise dosing, aseptic operation and low energy consumption. It perfectly meets mass production requirements of small and medium-sized water plants and beverage manufacturers. Supported by our full-cycle steward-style service, we deliver one-stop solutions covering customized scheme design, installation & commissioning, as well as operation and maintenance support, enabling standardized and high-efficiency small-bottle mineral water production for clients.
As one of the flagship products of Anhui Najie, the small bottle mineral water filling equipment is optimized exclusively for liquid filling processes of PET small bottles (round, square and special-shaped bottles).
The unit integrates automatic bottle sorting, air-conveyed bottle rinsing, quantitative filling and screw capping, adopting a rotary 3-in-1 or 5-in-1 integrated monoblock machine. It guarantees an aseptic, drip-free and cap-aligned entire production process from empty bottle feeding to finished product discharge. The line speed features stepless speed regulation to satisfy various capacity demands, and is widely adopted in mineral water plants, purified water factories, natural spring water manufacturers and beverage producers.
Bottle Rinsing System
Empty bottles are delivered via air conveyor or bottle sorter to stainless steel inverted bottle grippers, undergoing optional disinfectant flushing, sterile water rinsing and air blow drying in sequence. The rinsing water can be recycled and reused.
Filling System
Equipped with isobaric, negative pressure or atmospheric filling valves. Atmospheric/gravity filling is recommended for mineral water to avoid bubble generation. The liquid level control accuracy reaches ≤ ±2 mm. Each filling valve is fitted with an anti-drip device to eliminate residual liquid dripping at bottle mouths.
Capping System
Magnetic constant-torque capping heads perform automatic cap sorting, cap feeding, pre-capping and final tightening. The torque is adjustable to achieve tight sealing without damaging bottle neck threads. A missing cap detection and rejection unit is equipped as standard.
Conveying & Bottle Discharge
Full stainless steel slat chain conveyor is adopted. After bottle discharging, the line can be directly connected to labeling machines, inkjet printers and packaging machines.
The whole machine is made of 304/316L stainless steel. No sanitary dead corners exist on the worktable and protective panels, facilitating easy cleaning and sanitization.
The main motor adopts variable frequency speed regulation. Filling speed automatically synchronizes with conveying speed to prevent bottle tipping and squeezing.
Controlled by PLC with a touchscreen panel, operators can set filling liquid level, capping torque, production counter and other parameters conveniently.
Rinsing water can be recycled after filtration; residual liquid from the filling system is automatically recovered.
