Oil Extraction Process

Corn germ oil solvent extraction machine photo

Oil mill machinery oil extraction process
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Corn germ oil solvent extraction machine


corn germ oil solvent extraction machine

Corn germ oil solvent extraction machine

Henan Doing Company adopts the most advanced corn germ oil solvent extraction technology to ensure high efficiency, economical and reliable crude germ oil solvent extraction process. Cooperated with vacuum evaporation oil extraction design, solvent condensation and tail gas recovery system, the oil extractor can obtain crude corn oil with high oil yield, low residual oil, low solvent consumption, and low equipment failure.

Features of corn germ oil solvent extraction machine:
1. high oil yeild & low consumption
2. unquie design for each customer
3. Automatic & continuous
4. Less land cost & labor cost

The oil content in corn germ is about 40%, so it belongs to high content oil. The best way for it is both pre-pressing and oil solvent extraction way. First, the oil pre-presser will move part of the oil, then the rest oil will be extracted by oil solvent extraction way. The oil residues of the final meal can reduce to less than 1%.

For the corn germ oil solvent extraction machine, there are four main sections.

Corn germ oil solvent extraction machine

1)Oil extractor section. This section will use solvent (n-hexane) to extract the oil in the corn germ. After this section of corn germ oil solvent extraction machine, two kinds of products have been got. One is cake with solvent, the other one is micella (solvent and corn germ oil).
2)Separating of cake and solvent section. The main equipment in this section is toaster. The popular toaster is DTDC now. This desolventizer toaster of corn germ oil solvent extraction machine will separate the cake and the solvent. Then the cake can be packed to sell. The temperature of toaster is about 130℃.

Corn germ oil solvent extraction machine

3)Separating of micella oil. The main equipment in this section is 1st evaporator, 2nd evaporator and stripping tower. After separating in these three sections, the solvent is separated from the corn germ oil completely. The temp erature of 1st  and 2nd evaporator is about 95℃and 110℃. The temperature of the stripping tower is about 130℃.

Corn germ oil solvent extraction machine

4)Solvent recycling section. The solvent from the toaster and stripping tower will be recycled by the condensers. Then the solvent can be used again.

Our corn germ oil solvent extraction machine uses the newest technology. If you need the automatic machine, it can be controlled by PLC.

The main function of corn germ oil solvent extraction machine is to extract crude oil from the corn germ. Because the oil content of corn germ is too high, it’s better to pre-press the corn germ first. If you need to get oil from the corn or corn germ, do not hesitate to contact us.


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