Product Introduction of 40-ton/day Fully Automated Wheat Milling Production Line

Addressing the pain points of small and medium-sized grain processing operators, we have launched the 40-ton-per-day Fully Automatic Wheat Flour Milling Production Line, a mainstream model for small and medium-sized flour processing equipment, suitable for various processing needs. The entire line integrates wheat cleaning, watering, layered milling, sifting and grading, and automatic bagging and packaging. It adopts the mature Bran and Endosperm Separating Flour Milling process commonly used by large flour mills, ensuring stable production of Grade I and Grade II edible flour that meet national standards.

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Equipment basic parameters and four main components

Basic parameters

The basic parameters of this small-to-medium-sized roasted wheat flour processing production line offer various capacity options, with daily processing capacities of 5 tons, 10 tons, 20 tons, 30 tons, and 40 tons. Customers can choose the appropriate capacity based on their business scale and needs.

This production line uses high-end raw wheat and can process both hard wheat and common soft commercial wheat. The line can simultaneously produce multiple finished products: high-grade No. 1 flour, household No. 2 standard flour, feed-grade medium-gluten flour, and bran, making full use of the wheat raw materials.

The core equipment employs professional milling technology, with four dehulling and four grinding processes, achieving separate grinding of bran and wheat grains, effectively ensuring the quality of the finished flour.

The entire line is highly automated, requiring only 1-2 workers for monitoring and management, significantly reducing labor costs. It adopts a fully enclosed, automated, and continuous processing mode, eliminating manual grain harvesting from raw material input to finished product packaging.

This environmentally friendly line is equipped with a complete negative pressure dust collection system, effectively capturing and preventing leakage, meeting the standards for dust-free wheat processing equipment. Its English label, “Dust-Free Wheat Flour Processing Machine,” ensures it passes environmental testing smoothly.

Installation is required; it can be directly installed in ordinary steel or brick-and-tile workshops without additional ground or infrastructure modifications, thus reducing the cost of building a new platform.

The machine consists of four main functional modules:

The entire set of equipment is divided into four independent working units with clear division of labor and a streamlined processing flow. The entire wheat flour mill adopts a standardized design, resulting in high flour output and consistent installation and maintenance.

Grain Cleaning and Reconstituted Equipment

This equipment includes an automatic feeder, vibrating screen, destoning device, threshing machine, and dust removal device. After wheat enters the equipment, it intermittently removes stones, clods of earth, wheat grains, shriveled and moldy grains, and uses spraying and other light and heavy devices to prevent black spots from forming in the flour, maintain its granular texture, and thus ensure the cleanliness of the raw materials.

Intelligent Watering and Wheat Wetting Device

This machine is equipped with an automatic watering device, a constant-temperature grain storage silo, and a timed control system. It automatically adjusts the water amount and resting time according to the wheat’s moisture level. This softens the wheat bran and loosens the inner core, separating the bran from the pure white wheat core during the subsequent milling process, resulting in whiter, higher-quality flour and a higher flour yield.

Core Grinding and Size Scale Device

It consists of a flour mill, a multi-layer flat sieve, and a bran scraper. Employing a “light grinding and layering” processing method, it gradually tears apart the wheat bran, grinding the pure white mixed wheat core separately. This reduces the amount of bran particles in the flour, lowers the multi-layer content, and improves flour quality.

Automated Finished Product Packaging Unit

This system integrates a raw material dispensing hopper, automatic weighing equipment, and a sealing and packaging machine. It has three independent discharge channels for refining flour, neutralizing flour, and distributing flour bran, respectively. The processed flour can be automatically weighed, bagged, and sealed, significantly reducing manual labor for shoveling, bagging, and refining.

Complete processing flow of the whole set of equipment

The entire fully automated wheat processing production line uses physical processing methods without adding any chemical additives. The processing is automatic and continuous, comprising five steps:

Automatic Feeding + Deep Wheat Cleaning:

Wheat is fed into the processing line by a pneumatic dust extraction device. It undergoes four cleaning processes: pneumatic dust removal, vibrating screening, gravity stone removal, threshing, and kneading. This process thoroughly separates dust, straw, stones, and inferior wheat grains, ultimately yielding clean and qualified wheat raw materials.

Softening Wheat Bran with Water:

The cleaned wheat is placed in a softening chamber, where the equipment automatically adds water in a specific ratio and allows it to stand for 12 to 24 hours. After softening, the bran becomes more elastic, and the endosperm inside the wheat grains becomes looser, making it easier to separate the bran and wheat grains during subsequent processing, preventing them from mixing together.

Four-Step Peeling Process, Removing Bran Layer by Layer:

After being moistened, the wheat enters the peeling stage, where it is slowly and gently ground four times. The edible wheat kernels are scraped off piece by piece, while the larger bran is left intact to prevent it from being ground into fine residue and mixed into the flour.

The four-stage milling process for refined flour:

The pure white wheat grains, selected after the dehulling process, are fed into a milling machine for multiple rounds of fine grinding. Afterward, the wheat grains are repeatedly filtered and graded through multiple layers of sieves, ultimately producing high-quality refined flour with a bright white color and few impurities.

Material sorting and automatic packaging of finished products.

After sieving, the equipment automatically separates four products: Grade 1 flour, Grade 2 flour, medium-grade flour, and bran. Each product is discharged from a separate channel, automatically weighed, and sealed, directly forming bagged finished flour. The entire process requires no manual handling of the grains.

The equipment boasts six core practical functions:

Multiple deep impurity removal processes ensure the flour is clean and meets quality standards.

By combining wind power, vibration, specific gravity, and threshing multiple cleaning methods, the removal rate of stones and clods in wheat exceeds 99%, completely solving the problems of residual impurities and blackened flour in old-fashioned machines, and producing flour that fully meets national edible flour standards.

Intelligent adjustment of wheat moisture content to steadily increase flour yield

The equipment automatically adapts to wheat of varying moisture and hardness, flexibly adjusting water addition and settling time to ensure consistently uniform flour quality. Compared to older stand-alone machines without a wheat-conditioning function, it can produce 3%-8% more flour from the same weight of wheat, resulting in higher long-term processing profits.

One set of equipment can produce multiple types of flour simultaneously, increasing income streams.

A single production line can simultaneously produce high-end grade 1 flour, standard household flour, and feed middlings. The bran can be separated and sold to farms, making full use of all wheat materials and maximizing processing profits.

Fully enclosed negative pressure dust removal system ensures a clean and compliant workshop.

The entire production line is equipped with sealed air ducts and negative pressure dust removal devices, so all the dust generated during processing is collected centrally and will not drift into the air in the workshop. The workers’ working environment is clean, and the line can easily pass the inspection of the environmental protection department without the risk of dust pollution penalties.

Fully automated continuous processing significantly reduces labor costs.

The entire process, from wheat feeding to flour packaging, is fully automated, requiring only 1-2 workers: one to monitor the equipment and replenish the raw materials, and the other to transport the packaged flour. Traditional flour milling equipment requires at least 3-4 people working in shifts, and this system can save a significant amount of labor costs in the long run.

Multiple production capacity options are available to suit various business scenarios.

Choose from multiple capacity options ranging from 5 tons to 40 tons: the 5-ton small equipment is suitable for small family workshops; the 40-ton large capacity model is suitable for large-scale grain and oil processing plants, and the equipment configuration can be adjusted according to the size of your own factory and the daily order volume.

Six competitive advantages of the equipment compared to old-fashioned stand-alone machines

Processes are comparable to those of large flour mills, resulting in better flour sales.

Using the same “skin-core separation” grinding process as major manufacturers, it is significantly different from the simple single-stage flour milling machines on the market. The flour produced has fewer impurities, a whiter color, and a more delicate texture, resulting in higher wholesale prices and a greater competitive advantage over peers.

Higher powder yield, more cost-effective in long-term processing.

Intelligent wheat processing combined with multi-stage gentle grinding produces 3%-8% more flour of the same weight of wheat compared to older equipment. This results in lower wheat raw material loss during long-term batch processing, leading to a continuous increase in profit margins.

The equipment is compact and can be installed in ordinary factory buildings.

The entire set of equipment is built on a layered steel platform, unlike old-fashioned machines which are scattered and occupy a large area of ​​space. The footprint is much smaller than that of old-fashioned units with the same output. Ordinary small and medium-sized factories can be built directly on the platform without spending money on civil engineering modifications.

High degree of automation, saving labor costs in the long run.

Traditional flour milling equipment requires at least 3-4 workers working three shifts, while this production line only requires 1-2 people to supervise it around the clock, significantly reducing monthly labor costs and saving a considerable amount of money in the long run.

Sealed dust extraction design, no environmental hazards in obtaining processing qualifications

The entire line is sealed with negative pressure dust removal, with no dust overflow, so there will be no dust pollution or environmental fines. It is convenient to apply for a grain and oil processing business license and environmental impact assessment procedures, and is suitable for long-term and stable operation.

Robust structure and simple maintenance reduce downtime losses.

The main body of the equipment is made of thickened rust-proof steel plate, which is not prone to rusting in humid processing workshops. Wear-prone parts such as grinding rollers and screens are all standard components, making disassembly and replacement simple. The manufacturer also provides maintenance training videos, making daily maintenance easy and minimizing downtime due to equipment failure, ensuring no disruption to processing and order taking.

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Applicable business scenarios for equipment

Standardized grain and oil processing plants in townships

We undertake wheat milling services for farmers, and at the same time, we produce bagged flour in bulk for wholesale, supplying surrounding supermarkets and grain and oil stores, ensuring stable and continuous operation.

Agricultural product planting cooperatives

This system collects wheat grown by local farmers, processes it into high-quality flour, and sells it abroad, thereby increasing the added value of local agricultural products and boosting farmers’ income.

Small-scale individual rice noodle processing workshops

Automated production lines replace old, single flour milling machines to increase daily processing capacity and expand revenue streams through flour processing services and flour retail.

Small-scale noodle processing plants

Steamed buns, noodles, and pastries all use high-quality flour as raw material, baked and processed in-store, eliminating the need for long-term external flour sourcing and reducing raw material procurement costs.

Grain storage and trading enterprises

Processing surplus wheat into flour and bran can broaden product range and alleviate pressure from unsold and stockpiled raw grains.

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Frequently Asked Questions

Q1: How many workers are needed to operate the entire production line?

A: Only 1-2 people are needed for normal shutdown. One person is responsible for checking the equipment operation and replenishing wheat raw materials; the other person is responsible for handling and packaging the grain. Not many people need to be constantly by the machines.

Q2: Can one machine produce different grades of flour simultaneously?

A: Yes. By simply adjusting the grinding tightness and sieving parameters, it can simultaneously produce extra-grade flour, grade two household flour, and feed flour. Bran is collected separately, and the four products are stored and sold separately.

Q3: How much dust is generated during processing? Can it pass environmental testing?

A: The entire system uses a fully enclosed negative pressure dust collection system. The first batch of dust generated during processing is collected in a dust collection box and will not drift outside the workshop, meeting the environmental protection standards for small and medium-sized grain and oil processing industries and passing environmental impact assessments smoothly.

Q4: Are there any special requirements for factory buildings or power supply when installing the equipment?

A: There are no special civil engineering requirements. It can be installed in a standard brick or steel structure factory building, with a concrete floor. Each unit is equipped with a standard motor, compatible with standard industrial power supplies. The manufacturer will provide on-site wiring and commissioning services.

Q5: Will the quality of the flour be affected if I purchase wheat with different moisture contents?

A: No. This equipment is equipped with an intelligent wheat conditioning system that automatically matches the amount of water added and the settling time to wheat with different moisture contents, ensuring consistent flour quality unaffected by the wheat’s moisture content.

Q6: What is the warranty period for the equipment? Are vulnerable parts readily available?

A: The entire machine enjoys a 1-year free warranty. Vulnerable parts such as grinding rollers, screens, and sealing strips are kept in stock by the manufacturer and can be quickly shipped through online and offline channels. The equipment also comes with instructional videos on parts replacement and routine maintenance, facilitating basic repairs and maintenance by the customer.

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