As an original manufacturer with 26 years of deep engagement in the packaging machinery industry, Marchi relies on mature technology and professional manufacturing capabilities to customize two exclusive packaging solutions for the core application scenarios of 25kg powder packaging machines, 25kg automatic packaging machines and fully automatic 25kg packaging machines. Adopting compliant models from the official website of Marchi, both solutions accurately meet the 25kg packaging requirements for general materials as well as hazardous and easily oxidized materials, covering model selection, core configuration, process details, protection adaptation and implementation support to fully solve customers' packaging pain points.
Solution 1: General Fully Automatic 25kg Powder Packaging Solution
- Solution Positioning
It is suitable for the standard 25kg packaging of common powders such as flour, starch, calcium carbonate and talcum powder in food, feed, general chemical and building material industries. Leveraging the core technology of Marchi 25kg automatic packaging machines, it realizes fully automatic, high-precision and low-loss packaging operation, serving as the preferred solution for general 25kg powder packaging.
- Model Selection
Adopt Marchi MCZD-25F Fully Automatic 25kg Powder Packaging Machine. As the core standard model in Marchi's 25kg powder packaging machine series, it integrates weighing, bag placing, filling and sealing functions in one unit, perfectly adapting to conventional production demands for 25kg powder packaging and supporting flexible adjustment within the weight range of 5-25kg.
- Core Configuration
• Weighing System: Equipped with vertical single-screw feeding and servo motor direct drive device, fitted with high-precision weighing sensors and a PLC plus touch screen intelligent control system, supporting the storage of 10 groups of formulas for quick switching of different packaging specifications.
• Bag Placing System: Integrated with a bag storage rack, bag picking and arranging mechanism and vacuum adsorption device to achieve automatic centering and positioning without manual assistance, adapting to the bag picking and placing process of various material bag types.
• Filling and Sealing System: Adopting bottom filling design combined with pulse dust removal function to effectively reduce dust emission. The sealing system integrates automatic heat sealing and sewing structure with accurate bag opening guiding and stable bag clamping and pushing, ensuring firm sealing without leakage.
• Body Material: All parts in contact with materials are made of 304 stainless steel. The frame is thickened and reinforced, and the overall dustproof grade reaches IP65, adapting to long-term stable workshop operation and meeting hygiene and durability requirements for general powder packaging.
• Safety Auxiliary Functions: Configured with automatic stop for no bag or abnormal bag opening, and alarm for abnormal air pressure and temperature. Combined with a counting and statistics system, it realizes safe control and data management of the packaging process.
- Process Details
• Material Feeding: Materials enter the screw feeding mechanism through the feeding device to complete pre-feeding and quantitative conveying.
• Weighing and Metering: The servo motor drives the screw for precise feeding with dual-speed control of fast and slow feeding to complete accurate weighing and ensure qualified packaging weight.
• Automatic Bag Placing: The bag storage rack automatically picks up bags, which undergo arranging, pre-opening and vacuum adsorption before automatic bag placing and centering by manipulators.
• Filling and Sealing: The bag clamping device fixes the bag opening, bottom filling is carried out synchronously with pulse dust removal, and automatic heat sealing and sewing are completed after filling.
• Finished Product Output: Sealed finished products are conveyed out by the conveying device with automatic system counting, completing the whole process of single-bag 25kg powder packaging.
- Explosion-proof and Anti-oxidation Adaptation
Adopting basic protection design with a fully closed filling channel and reserved nitrogen interface. A nitrogen filling device can be optionally equipped to reduce material contact with air. Electrical components are dustproof and sealed with reliable grounding protection, suitable for 25kg packaging of non-flammable and non-explosive powders and complying with conventional production safety standards.
- Key Parameters
Packing Weight: 5-25kg (core 25kg); Packing Accuracy: ≤±0.1%-0.2%; Packing Speed: 90-120 bags per hour; Power Supply: 3P AC380V 50Hz; Total Power: 5kW; Air Source Requirement: 0.6-0.8MPa, 0.3m³/min; Overall Dimension: Approximately 2800×1500×2600mm; Machine Weight: Approximately 1200kg.
- Solutions to Customer Pain Points
• Solve inaccurate metering and high material loss: The combination of servo screw and high-precision sensors together with three times of intelligent calibration precisely controls packaging accuracy and reduces material waste.
• Solve dust pollution and failure to meet environmental standards: Bottom filling plus pulse dust removal design effectively controls dust concentration and meets workshop environmental protection requirements.
• Solve high labor cost and low packaging efficiency: The fully automatic 25kg packaging machine realizes unmanned operation with only one operator on duty, increasing packaging efficiency by more than 40% compared with manual work.
• Solve complicated production change and limited efficiency: 10 groups of formulas support one-click storage and switching with production change time within 10 minutes, adapting to multi-specification and small-batch production demands.
- Implementation Suggestions
• Applicable Scenarios: Suitable for 25kg packaging of general powder with daily output no more than 10,000 bags, and can form a simple fully automatic production line together with screw feeders and finished product conveyors.
• Installation Conditions: The workshop floor shall be flat and hardened with reserved air source and power interfaces, and the overall operating space shall be no less than 3×4m.
• After-sales Support: Marchi provides on-site installation and commissioning services, 1-year warranty, lifelong maintenance and 24-hour technical response.
Solution 2: Special 25kg Powder Packaging Solution for Explosion-proof and Anti-oxidation Purposes
- Solution Positioning
It meets the 25kg packaging demands of flammable and explosive powders such as chemical powder, metal powder and new energy materials, as well as easily oxidized powders including titanium alloy powder and lithium iron phosphate powder. Leveraging Marchi customized 25kg powder packaging machines with dual core functions of explosion prevention and anti-oxidation, it realizes safe and accurate packaging of hazardous materials.
- Model Selection
Adopt Marchi MCZD-25F Explosion-proof Fully Automatic 25kg Packaging Machine. As a special 25kg automatic packaging machine developed by Marchi for hazardous materials, it has passed professional explosion-proof certification and meets safety standards for flammable and explosive powder packaging.
- Core Configuration
• Weighing System: Adopting dual-screw fast and slow feeding design, equipped with explosion-proof servo motors, intrinsic safety weighing sensors and explosion-proof PLC control system to precisely control metering while ensuring safety and accuracy.
• Bag Placing System: Fitted with anti-static bag picking devices, vacuum pre-opening mechanisms and explosion-proof manipulators for spark-free operation throughout the process to avoid safety hazards caused by static electricity and sparks.
• Filling and Sealing System: Adopting fully closed vacuum filling structure integrated with two-stage vacuum pumps and nitrogen filling protection devices with nitrogen purity no less than 99.9%. The sealing system combines vacuum heat sealing and pulse sealing with sealing strength no less than 35N/15mm to ensure airtight sealing.
• Body and Protection: All parts in contact with materials are made of 316L stainless steel coated with anti-static paint. The whole machine is equipped with an explosion-proof shell with a dustproof grade of IP67. It has Ex d ⅡB T4 explosion-proof certification, fitted with explosion-proof motors, solenoid valves, explosion-proof junction boxes and static conduction devices to fully ensure packaging safety for hazardous materials.
• Monitoring System: Built-in oxygen content monitoring device to real-time monitor the oxygen content in the packaging environment and guarantee the anti-oxidation effect throughout the process.
- Process Details
• Closed Feeding: Materials enter the silo through a closed feeding channel, and nitrogen replacement is performed first to discharge oxygen inside the silo.
• Explosion-proof Weighing: The explosion-proof servo motor drives dual-screw feeding, and intrinsic safety sensors complete accurate weighing and metering.
• Anti-static Bag Placing: After anti-static bag picking and vacuum pre-opening, explosion-proof manipulators complete bag placing and precise positioning.
• Vacuum Nitrogen Filling: After bag clamping and fixing, vacuum pre-extraction and nitrogen filling protection are carried out before bottom filling, and secondary vacuum extraction further reduces oxygen content.
• Sealing and Output: Pulse heat sealing and cooling shaping are completed, and finished products are output through explosion-proof conveying devices, finishing the whole packaging process of 25kg easily oxidized and flammable & explosive powders.
- Explosion-proof and Anti-oxidation Adaptation
Strictly complying with explosion-proof standards, the whole machine adopts spark-free design with explosion-proof certification and static conduction devices to eliminate dust explosion risks. Dual anti-oxidation measures of vacuum and nitrogen filling are adopted with monitored oxygen content controlled below 1%, reducing material oxidation loss from 3% to less than 0.2%, fully meeting the 25kg packaging protection requirements for hazardous materials.
- Key Parameters
Packing Weight: 5-25kg (core 25kg); Packing Accuracy: ≤±0.1%-0.3%; Packing Speed: 60-90 bags per hour; Explosion-proof Grade: Ex d ⅡB T4; Vacuum Degree: ≤-0.095MPa; Nitrogen Purity: ≥99.9%; Power Supply: 3P AC380V 50Hz; Total Power: 6.5kW; Air Source Requirement: 0.7-0.9MPa, 0.4m³/min; Overall Dimension: Approximately 3000×1600×2800mm; Machine Weight: Approximately 1500kg.
- Solutions to Customer Pain Points
• Eliminate safety hazards of flammability and explosiveness: Professional explosion-proof design, spark-free operation and static conduction comply with safety specifications for hazardous powder packaging and eliminate explosion risks.
• Solve deterioration of easily oxidized materials: Dual protection of vacuum and nitrogen filling precisely controls oxygen content, extends the shelf life of materials and reduces oxidation loss.
• Solve pollution caused by corrosive powders: 316L stainless steel plus easy-to-disassemble and clean structure adapts to corrosive powder packaging and avoids cross contamination.
• Solve compliance and acceptance difficulties: Provide explosion-proof certificates and test reports to assist customers in completing safety and environmental compliance acceptance.
- Implementation Suggestions
• Applicable Scenarios: Suitable for 25kg packaging of hazardous materials such as chemical powder, metal powder and new energy materials, and can form a fully automatic explosion-proof production line together with explosion-proof feeders, vacuum conveyors and explosion-proof palletizers.
• Installation Conditions: Installation in explosion-proof areas requires reliable grounding with reserved explosion-proof air source and power interfaces, and the operating space shall be no less than 3.5×4.5m.
• After-sales Support: Marchi provides special maintenance services for explosion-proof equipment, regularly tests explosion-proof performance, and offers lifelong technical support to ensure long-term safe operation of the equipment.
