| Finished Product Yields Between Dry VS Wet Separation | ||||||
| Items | Available starch | Corn Gluten Meal | Oil | Spray corn husk | Germ meal | Corn Syrup |
| Semi-dry | 717kg | 95 kg | 28.6 kg | 90 kg | 70 kg | / |
| Wet | 690 kg | 55 kg | 28 kg | 125 kg | 40 kg | 45 kg |
Corn Syrup Production Line and Solution has a higher grain-to-syrup conversion rate and a higher by-product yield,opening up a new track for technology in the corn deep processing industry.
In 2022, WinTone Machinery took the lead in initiating a joint research and development project on semi-dry sugar production technology, collaborating with multiple scientific research institutions and industry experts.
Through the relentless efforts of all participating parties, we have constructed a pilot-scale production line for low-fat corn flour, a pilot-scale production line for sugar manufacturing via the three-enzyme method, a pilot-scale fermentation production line for glucose syrup, and a state-of-the-art physical and chemical index analysis laboratory.
Upholding the principle of scientific rigor, we have fulfilled our vision of achieving breakthroughs in the key links of the industrial chain, promoted the green and sustainable development of the industry, and strived to create greater value for human society.
Degermed corn grits
Low-fat corn flour
Corn germ
Corn hulls & impurities
Degermed white wine
Corn germ oil
Glucose syrup & maltose syrupInnovative Technology for Semi-Dry processing Corn Germ and Bran Separation to Produce Low-Fat Corn flour.
This technology integrates the entire process from corn degerming to syrup production, reducing the traditional 12 steps in Syrup making to 7, and lowering total energy consumption by 40%. Glucose conversion rate is increased to 99.2%.
The cleaning and separation equipment separates organic impurities from the raw grains and various fungal toxins attached to the surface of the grains, ensuring food safety.
The double-cone rubbing degerming and screening technology equipment can rub corn into four, six, or eight segments, ensuring that the germ is not damaged and the germ integrity is guaranteed.
AI optoelectronic technology equipment is used to achieve perfect and effective separation of pure embryo and pure endosperm.
The equipment employs adjustable micro-negative pressure suspension technology to achieve the separation of light and heavy parts of the skin and endosperm grains.
Graded endosperm is processed using advanced techniques such as fine grinding and separation to obtain high-quality, yellow, low-fat corn flour. All physicochemical properties meet the requirements for Syrup fermentation processes.
The trace amounts of starch lost in each process section are collected a second time using physical sieving and suspension core extraction technology equipment to improve the yield of low-fat corn flour.
The ultimate goal of this process is to produce low-fat corn flour with high purity germ, high purity bran and impurities, and high standard and high yield. This corn flour is produced using an innovative three-enzyme process to ensure the various physicochemical properties of the glucose syrup, creating significant economic value for enterprises in terms of energy saving and efficiency improvement.
①Low-fat corn flour yield ≥80%, starch content ≥87%, fat content ≤0.85%, ash content ≤0.6%, protein ≥7%.
②The yield of pure corn germ is ≥8%, the starch content is ≤12%, and the fat content is 27-32%.
The yield of pure corn husks is ≤12%, and the starch content is ≤11%.
Energy consumption: ① 65 kWh of electricity per ton of material; ② 20 kg of water per ton of material; ③ 10 kg of steam per ton of material. The overall process cost is only about 90 yuan.
The raw material of corn germ, which is of high nutritional value, has been subjected to in-depth processing, thereby enhancing its comprehensive value.
Firstly, the germ oil extracted from the corn germ obtained by dry extraction method has superior taste and quality compared to that extracted from the corn germ obtained by wet extraction method where it is soaked in sulfurous water by corn starch enterprises.
Secondly, the pressed corn germ cake can be further processed to produce high-protein beverages.
This not only extends the industrial chain of corn processing but also fully exploits the economic value of corn and germ raw materials and improves the comprehensive benefits of corn processing enterprises.
Original germ
Corn germ oil
Corn germ cake
High protein drinkThe glucose produced by WinTone's corn glucose syrup production process is light yellow, clear, soft in taste, and free of harmful substances, which is of higher quality than traditional wet products. Laboratory tests have determined that the concentration of the produced glucose syrup ranges from 27% to 71%. The DE value is greater than 98, and the DX value exceeds 95. The dry grade of filtered protein accounts for 9.5%. The protein content is no less than 60%, and the light transmittance is not less than 98%.
At present, the industry adopts the corn wet soaking process to extract starch and the double enzyme syrup making process to produce starch syrup. The dry corn separation we developed has more obvious advantages than traditional wet separation products.
According to the composition ratio of corn parts, endosperm: germ: husk is 83:9:8, and the effective ingredients are all in the endosperm (81.2% of corn endosperm, 9.5% of germ, and 9.2% of corn husk separated by corn dry separation technology);
A major breakthrough has been made in endosperm yield, all germ has been extracted, and corn husk yield has been reduced;
With the improvement of equipment innovation and photoelectric automatic control level, through steam grain moistening, mechanical crushing, screening, air separation, embryo pressing, gravity separation, color sorting and other advanced process, defatted corn flour, germ, corn husk are successfully and efficiently separated, and the separation effect is better than the wet method;
Innovative and advanced liquefaction and saccharification technologies make defatted corn flour liquefaction and saccharification smooth and filterable, efficiently separate corn gluten powder products and produce high-quality syrup liquid.
| Finished Product Yields Between Dry VS Wet Separation | ||||||
| Items | Available starch | Corn Gluten Meal | Oil | Spray corn husk | Germ meal | Corn Syrup |
| Semi-dry | 717kg | 95 kg | 28.6 kg | 90 kg | 70 kg | / |
| Wet | 690 kg | 55 kg | 28 kg | 125 kg | 40 kg | 45 kg |
| Dry Corn Syrup VS Wet Corn Syrup Production | |||||
| Type performance | Defatted corn flour | Corn starch (milk) | |||
| Source | Corn is degermed, peeled and crushed to 40 mesh, ready for direct consumption |
Corn wet soaking, food raw materials |
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| Ingredients | Starch powder>88% fat<0.8% Protein 7-8% Total bacteria count<100/g or not detected |
Starch>98% protein <0.4% fat<0.1% Total bacteria count<10000/g Starch milk is 2-5 times higher than starch |
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| Toxin | None | None | |||
| Polysaccharides | A little | None | |||
| Anti-nutritional factors | None | None | |||
| Microbial metabolites | None | Yes | |||
| Sulfur dioxide | None | <40ppm | |||
| Acidity(Ph value) | stable 6.0-6.2 | Unstable 4.5-6.0 | |||
| Natural fermentation blank test | Sour smell 24 hours | Sour smell 32 hours | |||
| Glycation experiment (Liquefaction liquid plus saccharifying enzyme DE value>98、DX value>96) |
36-40 hours | 44-48 hours | |||
| Appearance of glucose | Slightly yellow, clear and transparent, with the unique smell of glucose syrup, soft sweet taste, no peculiar smell |
Light yellow, clear and transparent, with the unique smell of glucose syrup, accompanied by sour or sulfur taste |
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What finished products can be processed from 1.2 tons of raw corn?

| Project | Name | Unit consumption | Price (RMB/ton) | Cost (RMB) | Remarks |
| Raw Materials | Commodity corn | 1.55 | 2300 | 3565 | |
| Excipients | Special enzymes | 0.0002 | 60000 | 38.32 | |
| Liquefaction enzyme | 0.0002 | 60000 | Lifrain | ||
| Glucoamylase | 0.0004 | 35000 | Food grade enzyme activity≥400,000 | ||
| acid | 0.001 | 320 | |||
| Power energy (separation + glucose syrup production) | water | 2.5 | 1 | 199.4 | Calculated based on 325 tons of absolute dry syrup per day |
| electricity | 160 | 0.66 | |||
| steam | 0.55 | 166 | |||
| Syrup production costs (separation + syrup production) | Labor cost | / | 70 | 150 | |
| Depreciation | / | 72 | |||
| Maintenance | / | 8 | |||
| Total | / | / | / | 3952.72 | |
| By-product cost reduction | Germ | 0.124 | 4000 | 1468 | |
| Corn Bran | 0.186 | 1200 | |||
| Corn gluten meal | 0.144 | 5200 | |||
| Cost per ton of glucose | / | / | / | 2484.72 | |
| Note: Calculated based on 32% glucose concentration. | |||||
This innovative process of WinTone has improved the grain-syrup conversion rate and by-product yield, and reduced the production cost in the syrup production process. According to estimates, the comprehensive cost per ton has been reduced by about 460RMB.
Location: Liaoyuan City, Jilin Province Finished product: High-quality corn grits, corn flour
Yield: 500TPD
Location: Hubei, China Finished product: Glucose syrup, corn germ
Yield: 200TPD
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