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This Doser Machine is specially engineered for precise micro-nutrient addition in flourmills (flour processing facilities)1, designed to integrate seamlessly with flour production lines. It enables continuous and accurate dosing of trace elements such as vitamins, minerals, or premixed fortifiers during milling, ensuring consistent nutritional enhancement of flour products.
This micro-dosing machine is specifically designed for continuous and precise quantitative output of powder materials, ensuring stable and accurate feeding in production lines. It is widely applied in multiple industries, including food processing, feed manufacturing, chemical production, and other powder material handling scenarios.Optimized for the flour processing environment, the machine features high-resolution dosing technology, maintaining ±0.5% precision even at low flow rates (50-1,000g/h). Its hopper and dosing components are constructed with anti-adhesion materials (food-grade stainless steel) to resist flour dust and prevent clogging, making it compatible with both free-flowing and slightly hygroscopic additives common in flour fortification.
Equipped with user-friendly controls, it can be easily synchronized with existing flour mill machines (e.g., grinders, mixers) to automate the fortification process, reducing manual errors and improving production efficiency. this doser has been widely adopted in modern flourmills to meet evolving demands for nutrient-enriched flour products.
*Product Features:
High-Precision Dosing
Adopts advanced control technology to achieve ±0.5% dosing accuracy, minimizing material waste and ensuring product consistency.
Intelligent Digital Display
Equipped with a user-friendly digital meter for real-time monitoring of dosing parameters (e.g., flow rate, total output), simplifying operation and adjustment.
Material Shortage Alarm System
Automatic alarm triggers when material level is insufficient, effectively preventing production interruptions and reducing downtime losses.
Energy-Saving Design
Optimized motor and transmission structure reduce energy consumption by 25%-30% compared to conventional models, lowering long-term operational costs.
Dual Protection Mechanism
Built-in overcurrent and overheating protection functions automatically cut off power in abnormal situations, extending equipment lifespan and ensuring safety.
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Doser---For Flour Mills
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Volume of upper hopper (liter)
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0.03m3
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Output flow (g/h)
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3kg -5kg
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Deviation
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1%
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Voltage(V)
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380V
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Power(W)
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0.37KW
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Volume(L*W*H)
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750*500*900mm
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*Safety Instructions
1.Electrical Operations
All electrical installation, wiring, debugging, and maintenance must be performed by certified electricians only to comply with safety standards.
2.Motor Direction Check
3.Verify the motor rotation direction before startup. Connect three-phase power lines strictly according to the direction marked on the machine to avoid damage.
4.Grounding Requirement
Secure grounding of the machine is strongly recommended to prevent electrostatic hazards and ensure stable operation.
5.Wire Specification
External power wires must use copper cables with a diameter ≥1mm² to meet current-carrying requirements and avoid overheating risks.
Certifictae
All our machinery are high quality and have passed the certification of ISO, CE, BV, SGS and COC.
1.Hongdefa has three branch office in Africa: AddisAbaba/Ethiopia,Lusaka/Zambia,Ruiru/Kenya.
2.The head of each office will provide comprehensive pre-sales consultation and after-sales service.
3.Our engineers are very experienced.
Now there are more than 20 engineers all over the world to provide service tocustomers.
Chinese professional engineer guide installation and commissioning.
Q1: What is the minimum dosing accuracy for trace elements in flour production?
A: Our micro-nutrient dosing machine achieves a precision of ±0.3% for trace elements (e.g., vitamins, minerals), even at low flow rates (50-500g/h). This is enabled by high-resolution load cells and a PLC-controlled servo system, ensuring consistent fortification of flour batches without over/under-dosing.
Q2: Can the machine handle sticky or hygroscopic additives common in flour processing (e.g., premixed mineral blends)?
A: Yes, it's designed with anti-clogging features. The hopper includes a vibrating agitator and anti-adhesion coating , which prevents bridging or caking of sticky additives. For hygroscopic materials, optional dehumidification modules can be integrated to maintain flow stability.
Q3: How easy is it to clean the machine to avoid cross-contamination between different flour batches (e.g., organic vs. conventional)?
A: The contact parts (hopper, dosing screw) are made of 304 stainless steel with smooth, crevice-free surfaces.
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