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Introduction to Fish Oil Separation Using a Tubular Centrifuge
A tubular centrifuge is a high-efficiency separation device that can purify fish oil by removing impurities such as water, proteins, and cellular debris from fish tissues or crude fish oil extracts. Below are the application steps, advantages, and precautions:
Pre-Treatment:
Raw Material Processing: Crush or mince fish tissues (e.g., fish liver, muscle) to release oils.
Heating and Melting: Heat to 50-60°C to promote separation of oil from water and proteins.
Coarse Filtration: Remove large tissue residues using a sieve or vibrating screen.
Centrifugal Separation:
Feeding: Inject the pre-treated fish oil mixture into the feeding system of the tubular centrifuge.
Parameter Setting: Adjust the rotational speed to 10,000-15,000 rpm to stratify components via centrifugal force:
Heavy Phase: Water, proteins, and cellular debris deposit on the centrifuge tube wall.
Light Phase: Purified fish oil is discharged through the outlet.
Continuous Operation: Some models support continuous feeding, making them suitable for industrial-scale production.
Post-Treatment:
Fish Oil Collection: Collect the light-phase fish oil for further refining (e.g., decolorization, deodorization) or antioxidant addition.
Residue Treatment: Process the heavy-phase residue into fish meal or organic fertilizer.
Equipment Cleaning: Thoroughly rinse the centrifuge with food-grade detergents to avoid oil residue buildup.
High-Purity Fish Oil: Effectively removes impurities (e.g., water, proteins), achieving fish oil purity >95%.
Low-Temperature Protection: Minimizes oxidation loss of polyunsaturated fatty acids (e.g., EPA, DHA) during separation.
High Efficiency: Processes hundreds of liters to several tons of material per hour, suitable for large-scale production.
Adaptability: Adjustable rotational speed accommodates different fish sources (e.g., deep-sea fish, freshwater fish).
Temperature Control: Maintain separation temperature ≤60°C to avoid nutrient degradation.
Antioxidant Treatment: Protect separated fish oil with nitrogen flushing or vitamin E to prevent oxidative rancidity.
Enzymatic Hydrolysis Assistance: Add proteases to break down cell structures if oils are trapped in tissues, improving extraction efficiency.
Equipment Maintenance: Regularly inspect rotor balance to prevent vibration or wear during high-speed operation.
Nutraceuticals: Extract high-purity fish oil for Omega-3 (EPA/DHA) capsules or oral supplements.
Food Industry: Use as a functional additive in infant formula and fortified foods.
Pharmaceuticals: Purify fish oil for anti-inflammatory or lipid-lowering drug production.
Feed Processing: Convert residues into fish meal for aquaculture feed.
Pressing Method: Low yield with high impurities, requiring further refining.
Solvent Extraction: Higher purity but risks solvent residue and higher costs.
Natural Settling: Time-consuming and incomplete separation, suitable only for small-scale trials.
By using a tubular centrifuge for fish oil separation, product quality and production efficiency are significantly enhanced, making it a core technology in the industrial production of fish oil.
|
Model
|
Bowl Speed
(rpm) |
Drum Volume
(L) |
Motor
(KW |
Dimensions, Overall (mm)
|
|
75
|
19000
|
2.2
|
1.5
|
760*450*1120
|
|
105
|
16300
|
6
|
2.2
|
840*500*1600
|
|
125
|
15000
|
8
|
3.0
|
900*550*1600
|
|
150
|
14000
|
10
|
3.0
|
1020*600*1600
|
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