Integrated grain and oil processing expertise
Qi'e Grain and Oil Machinery provides one-stop grain and oil processing solutions for overseas projects. Its capabilities cover oil pressing equipment, complete oil production lines, plant oil solvent extraction, edible oil refining equipment, installation, and technical service.
Grain and oil processing projects often require more than individual machines. Equipment selection, process coordination, plant planning, installation, commissioning, and technical support all influence the performance and usability of a production line. Qi'e Grain and Oil Machinery combines equipment manufacturing with project-oriented service to help customers evaluate and develop suitable processing solutions.
Equipment and processing solutions for mechanical oil extraction, including cold pressing, automatic oil pressing, and multifunction oil pressing applications.
Complete line solutions for different oilseeds and project scales, including soybean oil and palm oil processing applications.
Plant oil solvent extraction equipment for projects that require an integrated approach to oil recovery and processing.
Refining equipment and process support for removing unwanted impurities and improving the appearance, flavor, and storage stability of edible oils.
Soybean oil refining converts crude soybean oil into purified oil suitable for food consumption and industrial applications. The process is designed to reduce impurities such as phospholipids, free fatty acids, pigments, waxes, trace metals, and volatile compounds. The actual process configuration may vary according to crude oil characteristics, product requirements, plant capacity, and applicable quality standards.
Water or diluted acid can be used to hydrate and separate phospholipids, while enzyme degumming may be considered for specific processing requirements. Removing gums helps improve oil stability and prepares the oil for subsequent refining steps.
An alkaline agent, commonly sodium hydroxide, reacts with free fatty acids to form soapstock. The soapstock and associated impurities can then be separated through suitable centrifugation or filtration equipment.
Bleaching earth or activated clay adsorbs pigments such as chlorophyll and carotenoids, as well as trace metals and residual phospholipids. Vacuum heating and subsequent filtration help produce clearer, lighter-colored oil.
High-temperature steam stripping under vacuum removes volatile odor compounds and residual free fatty acids. Vacuum operation helps limit oxidation and supports the production of oil with a more neutral taste and odor.
When required for low-temperature storage or cold-use applications, the oil can be cooled so that waxes and other high-melting compounds crystallize and can be removed by filtration.
After deodorization and optional winterization, final filtration helps remove remaining particles before the refined soybean oil is prepared for packaging and distribution.
Depending on the raw material and production objective, Qi'e Grain and Oil Machinery can provide solutions related to:
Quality-led cooperation for global oil processing projects
With a focus on technology innovation, quality, and service, Qi'e Grain and Oil Machinery serves customers across Asia, Africa, South America, and other international markets. From a single refining unit to an integrated oil processing project, the company works with customers to develop equipment and service solutions aligned with their actual processing needs.
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