Drag Chain Extractor Advantages:

1) The material is divided into several independent units on the material bed, which can

effectively prevent miscella at all levels from fleeing hither and thither on the material layer and

ensure the concentration gradient between several sprays.

2) Immersion area appears in each lattice, which can help achieve better immersion effect.

3) The chain box is supported by track and can prolong the service life of screen deck by not

touching it.

4) The towline extractor is driven by world leading double-shaft hydraulic motor, with balance

force, reliable operation and less maintenance cost.

5) Specialty suitable for the extraction of high oil and high power materials, and better immersion effect can be expected for ordinary oil plants.

Negative pressure evaporation process:

The liquid from the extractor is the miscella containing grease and oil, which can be separated

out according their different vaporization temperatures. Our company mainly uses vacuum

evaporation technology, and it can reduce solvent leakage and consumption. The separated

solvent vapour is cooled and recycled back to the extractor for reuse, which can improve the

solvent efficiency.

Vacuum Evaporation Advantages:

a) Vacuum evaporation features high efficiency, thorough desolvation and low solvent

consumption in crude oil.

b) Use the second steam of desolventizer toaster and remaining steam from steam jet pump

as the heat source of the first steam, which can save energy, reduce the condenser configuration

area and save investment.

c) Due to the low temperature of the steam, the crude oil features light color, good quality and

low residual solvent.

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