Powder materials are prone to oxidation, moisture absorption and dust generation, which have long troubled manufacturers in food, chemical, coating and other industries. By extracting oxygen inside bags and filling nitrogen, nitrogen-flushed vacuum packaging machines effectively slow down oxidation and retain material activity. Nowadays, full-automatic nitrogen-flushed packaging machines have developed into complete line equipment integrating automatic bag loading, metering and filling, vacuumizing and nitrogen flushing, heat sealing, conveying and palletizing.
As a powerful original manufacturer with 27 years of experience, Marchi Packaging Equipment launches MCZD-25F full-automatic nitrogen-flushed packaging machine, providing reliable packaging solutions for food, chemical, coating, pharmaceutical and other industries nationwide. This article introduces the equipment from four aspects: equipment advantages, application scenarios, packaging procedures and solutions to common pain points.
Marchi Service Cases
Marchi Packaging Equipment Factory owns 27 years of experience in the packaging machinery industry, more than 5,000 cooperative customer cases and exports to over 50 countries. It is a long-term supplier to Fortune Global 500 enterprises, supporting whole factory scheme design and non-standard customization. It can package powder, granule, liquid and other materials, and has cooperated with many large food, pharmaceutical and chemical enterprises.
- Food Industry: PepsiCo, Yili, Uni-President Enterprises, YumChina, Little Sheep, Tastien, By-health, Nam Soon Group, Five Grains Mill, Yan Gufang, SEAMILD, Qiandao Bee Garden, Sanjiu Group, Puratos, Guangxi Nongken Mingyang Starch, Dong'e Ejiao, Wen's Group, Amway, etc.
- Pharmaceutical Industry: Tianjin Hongri, Weigao Group, Dong'e Ejiao, Xiuzheng Pharmaceutical, Yibai Pharmaceutical, Lukang Pharmaceutical, Taihang Pharmaceutical, Niscon, Jinkun, Hubei Gongtong Pharmaceutical, Fuhe Group, Infinitus, Zhejiang Medicine, Zhejiang Guobang Pharmaceutical, etc.
- Veterinary Drug Industry: Longxiang Pharmaceutical, Jizhong Pharmaceutical, China Animal Husbandry Industry, Cheng Bixin, Houyi Group, Ramical, Twins Group, Yuehai Group, Haid Group, Wen's Group, Zhengbang Group, etc.
- Food Additive Industry: Xinghu Technology, Xintuyang Biology, Muen Biology, Yinong, Puratos, Sanjiu Group, Ajinomoto, Meihua Group, Chenguang Biology, Rhine Biology, Jinhe Biology.
- Chemical and Daily Chemical Industry: New energy, new material, mineral, chemical and other industries; Liby, P&G, Yongxin Chemical, Shengtai Chemical Technology, Guangzhou Hekang, Forster, Sanrun, Sany Group, CATL.
I. Equipment Advantages and Key Parameters
Adopting integrated full-automatic design, Marchi MCZD-25F can automatically complete metering, bag loading, filling, vacuumizing, nitrogen flushing, heat sealing and stitching without manual intervention. It can also connect with palletizers to form a complete production line.
The weighing system adopts vertical single screw feeding directly driven by servo motor to ensure metering speed and accuracy. During operation, the screw rotates and feeds materials according to control signals. Weighing sensors and controllers process signals in real time and output weight data and control signals.
The unit consists of bag storage bin, bag taking and sorting device, bag loading manipulator, bag clamping and discharging device, bag pushing device, bag mouth guiding device, vacuum system and control system. Working procedures: Take bags from the storage bin → Center and position bags → Convey forward → Position bag mouths → Pre-open bags → Insert cutter via manipulator → Clamp both sides of bag mouths with pneumatic grippers → Complete bag loading.
Key Parameters (MCZD-25F)
- Feeding Mode: Single Screw Feeding
- Packaging Weight: 5～25 kilograms
- Packaging Accuracy: ≤±0.1～0.2%
- Packaging Speed: 1.5～2 bags per minute
- Bag Size: Length 500～1000 millimeters
- Bag Material: Kraft paper laminated bag, woven bag, plastic bag, etc.
Highlights of Core Configuration
- Servo direct-drive screw feeding: Fast metering and high accuracy, suitable for materials with different fluidity.
- Bottom-filling design: Small material drop and low dust emission, ideal for high-precision powder materials.
- Pneumatic bag clamping plus bracket weighing: Real-time signal feedback, dual-speed feeding with fast and slow modes.
- Linked vacuumizing and nitrogen flushing: Vacuum first then nitrogen filling to effectively reduce residual oxygen content.
- Wide material compatibility: Applicable to laminated bags, woven bags and plastic bags.
- Modular expansion: Connectable with automatic stitching machines, palletizers and conveying lines.
II. Complete Packaging Process: From Automatic Bag Taking to Palletizing
The full-automatic nitrogen-flushed packaging machine realizes closed-loop operation with the following procedures:
- Bag Storage and Taking: Packaging bags are stored in the bin. The bag taking and sorting device automatically grabs and arranges bag mouths to ensure uniform positioning.
- Bag Loading and Positioning: The manipulator grabs, centers and conveys bags forward for positioning and pre-opening. The cutter inserts into bag mouths and pneumatic grippers clamp both sides firmly.
- Filling: The weighing system starts single screw feeding. Materials fall into bags through the bag clamping and discharging device. Weighing sensors monitor weight in real time and stop feeding automatically when reaching the preset value.
- Vacuumizing and Nitrogen Flushing: The vacuum system extracts air inside bags, and high-purity nitrogen is automatically filled after reaching the set vacuum degree.
- Heat Sealing and Stitching: Heat sealing or stitching is automatically carried out after vacuumizing and nitrogen flushing to ensure tight sealing.
- Conveying and Palletizing: Sealed bags are delivered to the palletizing area via conveyor belts. Linked with rear-end palletizers, the equipment stacks products automatically to realize unmanned operation.
III. Packable Materials and Service Areas
Packable Materials: Milk powder, soybean powder, almond powder, coconut powder, grain powder, oat powder, protein powder, whey powder, rice flour, peanut powder, corn flour, starch, powdered sugar, non-dairy creamer, chili powder, cumin powder, mixed grain powder, enzyme powder, meal replacement powder, seasoning powder, milk tea powder, soybean milk powder; aluminum powder, copper powder, iron powder, titanium powder, zinc powder, coating powder, dyestuff and pigment, chemical additives, rubber additives, catalyst; agrochemicals, polymers, pharmaceutical intermediates, food additives, feed additives, essence and spice, petrochemical raw materials, plastic raw materials, adhesive raw materials and so on.
IV. Customer Pain Points and Solutions
Q1: How to solve severe dust emission during powder packaging?
A: MCZD-25F adopts bottom-filling structure with small material drop to greatly reduce dust. The fully sealed body is equipped with dust removal ports, and optional dust recovery devices can be installed to improve workshop environment.
Q2: How to prevent materials such as coatings from oxidation before and after filling?
A: The equipment supports dual nitrogen flushing before and after filling. Taking coatings as an example, empty barrels are filled with nitrogen and exhausted first. Secondary nitrogen flushing and automatic capping are performed after filling to effectively avoid oxidation and drying.
Q3: How to guarantee consistent packaging weight?
A: Servo direct-drive screw feeding matched with high-precision weighing sensors adjusts feeding speed dynamically. The accuracy is controlled within ≤±0.1～0.2%, meeting strict weight requirements.
Q4: Is it compatible with packaging bags of different specifications?
A: It fits kraft paper laminated bags, woven bags, plastic bags with length ranging from 500mm to 1000mm. Parameters can be preset and switched quickly via the touch screen.
Q5: Can it form a complete production line from packaging to palletizing?
A: Yes. The equipment can connect seamlessly with automatic stitching machines, conveying lines and palletizers to realize full-automatic unmanned operation from filling to finished pallet stacking.
Q6: Is the equipment easy to clean and maintain?
A: Adopting modular design, the open transparent bin can be disassembled and cleaned without tools, saving time for daily maintenance and material changeover cleaning.
Conclusion
Nitrogen-flushed vacuum packaging machines are gaining increasingly prominent application value in food, chemical, coating and other fields. Marchi Packaging Equipment's full-automatic nitrogen-flushed packaging solution centered on MCZD-25F delivers excellent performance in precision, stability, automation and environmental protection. Welcome to contact Marchi Packaging Equipment for technical consultation and full-line solution planning.
