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NEWS
The Production Process Of Corn Germ Oil And The Required Machinery
Time:Mon-12-21 hits:
Corn is a food crop that can be used as a staple food and has a particularly strong feeling of fullness. Corn germ oil is a herbal vegetable oil extracted from corn germ.
The processing flow of corn oil extraction can be divided into two processes: separation of corn germ and oil extraction of corn germ.
There are two main ways to separate corn embryos: dry peeling and embryo extraction and flour milling and wet milling.
Dry peeling and embryo extraction for flour milling: raw materials are directly peeled and embryo extracted for flour milling without water treatment.
Wet-milling method to extract embryos for flour milling: the grains are soaked and then peeled to extract embryos for flour milling.
The corn seeds are first soaked in sulfur dioxide solution for 40-60 hours to soften the corn kernels and loosen the various tissue components, and then they can be put into the crusher for processing. Then add water to make the germ float on the water surface to achieve the effect of germ separation.
Production process of corn germ oil pressing equipment:
Corn germ→cleaning→steaming and frying→pressing→filtering→germ crude oil→going to the refining workshop
The main equipment composition: hoist, cleaning screen, steaming and frying pan, oil press, filter, crude oil temporary storage tank,
Production process of corn oil crude oil refining equipment:
Crude oil-alkali refining-degumming-decolorization-deodorization-go to dewaxing workshop (or refined oil workshop)
Main equipment composition: refining tank, decolorizing tank, deodorizing tank, heat conduction oil furnace, filter, etc.
There are two major types of pigments in crude corn oil:
The decolorization process generally required for processing corn oil is: a cross decolorization process with a secondary decolorization effect of a bleaching soil.
If the raw material is not processed in time, it is difficult to decolorize crude oil with darker color, so pre-decolorization can be used.
In addition to the original corn flavor, the decolorized corn oil also has the "soap" flavor brought by the alkali refining and the "earthy" flavor brought by the decolorization. Therefore, further deodorization treatment is required to make the corn oil meet the requirements. .
