As a typical high-hardness and corrosion-resistant inorganic powder material, alumina is widely applied in ceramics, refractory materials, electronic packaging and metallurgy industries. However, due to its physical properties such as light weight, easy moisture absorption and unstable bulk density, alumina filling has long been confronted with multiple challenges including dust dispersion, packaging accuracy fluctuation and high labor dependence. Building a full-process clean automatic packaging production line while guaranteeing packaging speed and accuracy has become a tough problem urgently solved by numerous powder manufacturers. As a powerful original manufacturer, Marchi Packaging Equipment provides one-stop solutions from weighing metering to palletizing and warehousing.
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.
Selection of 25kg Series Models: One Solution Compatible with Multiple Materials
Targeting powdery and small granular materials with variable fluidity including common alumina, activated alumina micro powder, aluminum hydroxide powder, calcium carbonate, kaolin, talc powder, titanium dioxide, silica powder, white carbon black, carbon black, pigment, dyestuff, flame retardant, bentonite, gypsum powder, mica powder, graphite powder, stearate and phosphate, Marchi adopts fully automatic 25kg powder packaging machine (Model: MCSJ-LLB-25K) as the core of production lines. Equipped with imported PLC control system and touch screen man-machine interface, the machine can monitor packaging procedures in real time and support one-key calling and switching of 10 sets of formulas, greatly improving material replacement efficiency.
Core Configuration: Single Screw and Full Servo Drive
In terms of feeding design, the packaging machine adopts single screw feeding mode. The screw is directly driven by servo motor to rotate and feed materials precisely according to control signals. Meanwhile, weighing sensors and weighing controllers process real-time weight signals to ensure metering speed and accuracy. The complete packaging production line consists of multiple modules including 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 PLC control system. It is applicable to kraft paper laminated bags, coated woven bags, plastic bags and woven bags with inner PE plastic bags. The bag length ranges from 500 to 1000mm, packaging weight ranges from 5 to 25kg, packaging accuracy is ≤±0.1～0.2%, and packaging speed reaches 1.5～2 bags per minute.
Complete Analysis of Packaging Process: From Bag Taking to Palletizing
The operation process of the whole packaging line covers all steps including bag taking, bag sleeving, filling, sealing, inspection and palletizing. During operation, the manipulator takes empty packaging bags from the bag storage bin, sends them to the bag loading station after centering positioning. Bag mouths are pre-opened by vacuum suckers, then clamped on both sides by pneumatic grippers, and the whole bags are sleeved onto the discharging port by the bag loading manipulator. After successful bag sleeving, the vertical single screw rotates to feed materials according to preset weight. Materials fall into packaging bags from the hopper, and the drop distance is corrected in real time by precision weighing sensors to guarantee accurate weight of each bag. After filling completion, the bag pushing device moves filled bags away from the filling station. The ultrasonic sealing machine completes integrated heat sealing and bag sewing. Then finished bags are delivered to the weight detector via belt conveyor for re-inspection to conform to factory standards. Finally, palletizing robots stack bags layer by layer on pallets in preset arrangement modes. Pallets are transported to warehouses by forklifts, forming a closed-loop packaging process.
Key Equipment Parameters
- Equipment Model: Fully Automatic 25kg Powder Packaging Machine
- 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, coated woven bag, plastic bag (film thickness 0.2mm), woven bag with inner PE plastic bag, etc.
Solutions to Common Industrial Pain Points
Pain Point 1: Severe dust dispersion and poor working environment
Solution: The fully automatic 25kg powder packaging machine is designed with closed dustproof structure at the bag clamping and discharging station. A relatively sealed space is formed during filling, and dust is effectively restrained inside bags with the assistance of dust removal system, significantly optimizing workshop environment.
Pain Point 2: Unstable packaging accuracy and large material loss
Solution: The equipment adopts vertical servo-driven screw feeding and real-time drop distance correction via high-precision weighing sensors. The packaging accuracy of each bag of alumina can be controlled within ±0.2%. Long-term feeding is stable and controllable, effectively reducing material waste.
Pain Point 3: Low manual bag loading efficiency and high labor cost
Solution: The automatic bag storage bin works coordinately with bag loading manipulators. Bag taking, sorting, opening and sleeving are all finished mechanically without manual intervention. Only a small number of patrol staff are required for single machine operation, greatly saving labor resources.
Pain Point 4: Weak sealing strength leading to bag damage and leakage during storage and transportation
Solution: The integrated heat sealing and bag sewing delivers stable and reliable sealing quality with uniform and dense stitches. Equipped with ultrasonic sealing machine, bag mouths are tightly sealed to resist bumping in long-distance logistics and stacking pressure, cutting down leakage loss during transportation.
A reliable alumina powder packaging solution is more than purchasing a single packaging machine, but building a complete closed-loop production line covering weighing, filling, sealing and palletizing. With 27 years of industrial experience, Marchi Packaging Equipment continuously provides customized one-to-one services for users in chemical and new material industries, helping manufacturers reduce costs and improve efficiency.
