Industrial Flour Sifter Machine for Food Processing

The flour sifter machine is widely used in food processing plants and bakeries to remove impurities, oversized particles, and agglomerates from flour. Through efficient screening and separation, the equipment ensures consistent particle size distribution, improves flour quality, and maintains smooth material flow during production.

Model: YJ-400/600/800/1000/1200/1500mm
Material: Stainless Steel 304/316
Mesh Size: 2-200 mesh
Layers: 1-2 layers
Motor: single or double motor
Capacity: 100kg/h-3000kg/h

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What is a Flour Sifter Machine?

This flour sifter machine utilizes an Inline vibratory screen to safely and effectively remove impurities and clumps from flour. Thanks to its exceptional performance, our equipment has earned the widespread trust of food manufacturers across the United States, Europe, and Asia. Featuring a compact and space-saving design, it delivers remarkably high sifting capacity, efficiently processing various types of flour—including hard wheat flour, soft wheat flour, and coarse wheat flour—thereby fully meeting the diverse requirements of modern food production.

Working Principle

A vibrating motor utilises two sets of eccentric weights (unbalanced weights) located at the upper and lower ends of its shaft to convert the motor’s rotational motion into a superposition of horizontal, vertical, and inclined forces, as well as centrifugal forces. These forces are then transmitted to the screen surface to achieve the screening process. By adjusting the phase angle and weight of the upper and lower eccentric weights, the magnitude of the excitation force and the trajectory of the material can be modified

Structure

The flour sifter machine is available with either a single-motor or a dual-motor vibration drive. The vibrating force is generated by unbalanced eccentric weights mounted at the upper and lower ends of the horizontal motor shaft. The rotation of the screen deck creates three-dimensional vibration in the horizontal, vertical, and inclined directions, allowing large volumes of material to quickly pass through the mesh openings and flow vertically into the next process. With its compact footprint and straight-through design, the material has a short residence time within the screen, resulting in rapid discharge.

Features

Automatic Sieving & Screening： Efficiently separates flour particles for consistent quality and reduced manual labour.
Multi-Mesh Particle Sorting (35–60 mesh)： Customizable sieving to meet different product requirements, from fine flour to coarse powders.
Durable Stainless Steel Construction： Ensures long-lasting performance, hygiene, and resistance to corrosion.
Adjustable Voltage Options (415V or Customised)： Suitable for different regions and industrial setups worldwide.
Easy Cleaning & Maintenance： Quick disassembly and smooth surfaces reduce downtime and ensure food safety.
High Production Efficiency： Optimised vibration and screen design for faster processing, minimising waste and improving output.

Applications

Flour sieving machines are standard equipment in the flour processing industry, utilised for the screening and separation of flour particles. The following are some common applications for industrial flour sieving machines:

Grading

Used to classify flour particles, ensuring they meet the specific particle size requirements mandated by various application scenarios; this helps guarantee the uniformity and consistency of the final product.

Dust Removal

Used to eliminate dust and impurities from flour particles, thereby separating unwanted particles or foreign matter from the product; this is crucial for maintaining product quality and preventing contamination within the flour processing facility.

Fine Sifting

To maximise flour yield during the milling process, it is essential to remove as much of the endosperm from the bran layer as possible. Cleaning the wheat is a fundamental step in milling. Only by sending clean wheat to the milling facility for processing can high-quality flour be produced; the flour sifter machine provides the fine sifting capability required for this process.

Fluffing

Capable of eliminating the clumping that often occurs in powdered materials during storage, while simultaneously rendering the powder lighter and finer in texture; flour that has undergone this fluffing process blends more effectively with moisture.

Technical Specifications

Model	Power (KW)	Motor Speed (r/min)	Dimension A (mm)	Dimension B (mm)	Dimension C (mm)
ZPS-600	0.18	1440 (960)	1070	600	502
ZPS-800	0.25	1440 (960)	1390	800	525
ZPS-1000	0.37	1440 (960)	1566	970	543
ZPS-1200	0.37	1440 (960)	1875	1170	814
ZPS-1500	0.55	1440 (960)	2226	1470	875

Customized Product

This flour sifter machine can be customised to meet the user’s needs.

.Inspection Port

The powder sieving machine is fitted with a dedicated inspection port, allowing for real-time monitoring of the material screening status, as well as the operation and wear conditions of the screen frame. This facilitates continuous oversight of production conditions and enables timely control over the manufacturing process.

Stand-Mounted Structure

Featuring a floor-standing, stand-mounted design, the unit can be adapted to suit the specific layout requirements of the client’s workshop production line. The overall height is fully customizable and adjustable to accommodate actual on-site operating conditions. The support legs can be securely anchored to the floor, ensuring enhanced operational stability and superior vibration damping.

Electrical Control Cabinet

An independent electrical control cabinet integrates the start and stop buttons, offering simple and intuitive operation. This facilitates convenient manual control over starting and stopping procedures, thereby significantly enhancing the equipment’s operational ease and efficiency.

Compatibility with Dust Free Bag Dump Station

The unit can be optionally equipped with a dust-free feeding station to effectively suppress dust dispersion during the feeding and screening processes. This not only safeguards the occupational health and safety of operators but also optimises the workshop production environment, ensuring compliance with environmental protection standards.

Flour Sifter Machine Solutions

Material Type	Working Mode	Mesh Opening	Capacity (kg/h)	Suitable Model
Flour	Dry	35 mesh	1000–1500	ZPS-800
Wheat Flour	Dry	40 mesh	1200–1800	ZPS-1000
Corn Flour	Dry	50 mesh	1500–2000	ZPS-1200
Gluten Powder	Dry	45 mesh	500–700	ZPS-600
Whole Wheat Flour	Dry	35 mesh	900–1400	ZPS-800

Case

Why Choose Our Flour Sifter Machine?

High Efficiency & Accuracy – Our inline vibratory screen deliver uniform particle size and fast screening, improving production output while minimising material waste.
Durable & Hygienic Construction – Made of premium stainless steel, corrosion-resistant and easy to clean, meeting strict food safety standards.
Customizable Mesh & Voltage Options – Adjustable mesh sizes (35–60) and voltage options (415V or custom) to suit different production needs and regions.
Low Maintenance & Easy Operation – Simple design allows quick assembly, disassembly, and cleaning, reducing downtime and labour costs.
Wide Industry Applications – Perfect for bakeries, food factories, spice processing, and powder industries worldwide.
Reliable After-Sales Support – Professional guidance, spare parts availability, and responsive service ensure long-term satisfaction.

Vibrating Screen and Conveyor Machine Manufacturer & Supplier

Built for precision screening, reliable performance, and flexible industrial applications,
Yuanjing rotary vibrating screens are trusted by customers worldwide.

Global Project Experience

Yuanjing products are exported to 50+ countries and regions, serving industries including food, chemicals, pharmaceuticals, mining, and new energy.

Strong Manufacturing Capability

Advanced production lines with laser cutting, CNC machining, automatic welding, and strict quality inspection ensure consistent product quality.

Accurate & Stable Separation

Optimized vibration design delivers even material flow, high screening accuracy, and stable long-term operation.

Customized Screening Solutions

Yuanjing offers flexible configurations in diameter, mesh size, deck layers, and material options to fit your exact process requirements.

FAQs

The flour sifting machine can process wheat flour, corn flour, rice flour, as well as other powdered materials.

The equipment’s production capacity varies by model; the choice of machine model should be determined based on the actual scale of your production operations.

Yes. It is equipped with protective covers, overload protection devices, and energy-efficient motors. Furthermore, the equipment’s voltage specifications (e.g., 220V or 415V) can be customised to meet the specific power requirements of your facility.

Selecting the appropriate screen mesh size depends on your requirements regarding the fineness of the final product. Common mesh size options include 35-mesh, 40-mesh, and 60-mesh.

The machine is designed for easy disassembly. Routine maintenance tasks include regularly cleaning the screen, checking the operating status of the vibrating motor, and inspecting all moving parts for signs of wear.

Yes, various features—including materials, voltage, screen mesh size, and other additional functions—can be customised.

Get Custom Solution

We can provide customised screening and conveying equipment solutions tailored to different materials and production requirements.

Send us your requirements, and our team will provide the right solution and a fast quotation within 24 hours.

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