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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 beverage filling equipment is specially designed for carbonated drinks such as cola, sprite, soda water, carbonated fruit juice and sparkling water, adopting isobaric filling technology. The whole machine is constructed of stainless steel and controlled by a fully automatic PLC system.
Equipped with pre-filling back pressure setup, precise liquid level control, anti-foaming and anti-dripping functions, the equipment minimizes CO₂ loss during filling, guarantees stable gas content and consistent taste of finished carbonated beverages. It can operate standalone, or be connected with syrup blending system, carbonator mixer, UHT sterilizer, bottle warmer, labeling and packaging machines to form a fully automatic production line. We also provide full-plant turnkey solutions ranging from water treatment to finished product palletizing.
The quality of carbonated beverages hinges on dissolved CO₂. Improper control of pressure, temperature or flow rate during filling will trigger CO₂ escape, excessive foaming, inaccurate filling volume and even bottle deformation.
Anhui Najie has developed a rotary 3-in-1 rinsing-filling-capping monoblock tailored to the characteristics of carbonated drinks. Before filling, empty bottles are pre-pressurized with CO₂ or product gas to balance the pressure inside the bottle with that in the product tank. The filling valve then opens, and the beverage flows into the bottle by gravity or pressure difference, preventing violent turbulence and CO₂ escape.
Fitted with a pressure-resistant stainless steel product tank, high-precision liquid level solenoid valves, adjustable return gas pipes and anti-bottle-explosion devices, the machine supports multiple packaging forms including PET bottles, glass bottles and aluminum cans, complying with domestic and international production standards for carbonated beverages.
Complete production flow:
Empty bottle feeding → Sterile water / sanitizer bottle rinsing → CO₂ back pressure pressurization → Isobaric filling → Automatic cap sorting & capping → Optional bottle warming unit → Labeling & packaging
Bottles are conveyed by air conveyor; 360° high-pressure sterile water flushing, sanitizer spraying and sterile air blowing are applied to thoroughly clean bottle necks and bodies without dead angles, effectively avoiding secondary contamination.
Adopts high-precision isobaric filling valves with stepless speed regulation and flowmeter volumetric dosing. The filling process halts automatically when no bottle is detected, delivering extremely low liquid level tolerance.
Features automatic cap sorting, pressing and screwing with adjustable torque to achieve tight gas-tight sealing. Compatible with plastic caps, crown caps and easy-open ends.
Intelligent operation via PLC + touch screen, supporting fault alarm and production data traceability.
All product contact parts are made of 304/316L stainless steel and food-grade engineering plastic, featuring corrosion resistance and easy cleaning.
