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Automatic Decanter Centrifuge For Fish Oil Processing
A fish oil processing centrifuge is an industrial centrifuge that separates fish oil and fish meal from the process water, also known as stick water. Industrial fish processing involves cooking and grinding leftover fish parts that are separated into fish oil, stick water, and protein or fish meal.
Fish oil centrifuges operate by using a high centrifugal force to affect the separation of the three phases of processed fish residue. These centrifuges separate Fish Oil, Fish Meal, and Stick-water from inedible fish processing residue. The fish residue consists of non-saleable fish parts such as skin, guts, heads, bones, offal, and fins.
Pre-Centrifuge Fish Processing Steps
The incoming fish leftovers and water are heated in a cooker. This process sometimes uses steam to break down the raw fish and release the oil.
The cooked fish biomass passes through a screening process to separate the bulk of solids from liquids. The solids separated at this phase are proteins. This solid phase is dried and is known as a fish meal. Fish meal is a valuable product for many commercial uses in aquaculture and agriculture.
The liquid phase from the abovementioned process consists of oil, water, and fine solids. There are two ways to separate this fluid's three phases (oil, water, solids).
Using A Tricanter For Fish Oil Production
The first method uses a tricanter or a three-phase decanter centrifuge to separate the oil, water, and solids simultaneously. A tricanter is a three-phase horizontal centrifuge that separates bulk solids from water and oil. So, a tricanter processing this strained fluid separates the remaining fish meal from the stick water and fish oil.
However, there is an inherent limitation with using a tricanter due to the lower centrifugal force generated. A lower g-force may not be sufficient to efficiently separate the oil and water phases in the feed.
Using A Decanter And Disc-Stack Centrifuge For Fish Meal
The other method is a two-step process using a 2-phase decanter centrifuge as the first step to de-sludge the process fluid. The decanter separates the fish meal solids from the oil and water. The oil and water fluid passes through a three-phase disc-stack centrifuge in the following step.
Surimi is a seafood substitute often found in imitation lobster, crab meat, or fish balls. Minced, refined white fish meat is separated from unusable fish parts to make pure fish protein paste known as Surimi. Whitefish such as pollock and whiting are the primary feedstock for surimi production.
The meat from these fish goes through a sophisticated process to produce a surimi gel. It is a cheaper and sustainable replacement for seafood, especially since it is also made from farm-raised fish.
Surimi Processing Centrifuge
A surimi centrifuge processes minced, refined white fish meat into a thick fish paste, the base product for commercially sold surimi.The centrifuge separates the gutted fish and fillets from water to produce high-grade surimi.
Traditional Surimi Processing Methods
Traditionally, surimi production involves repeated washing of the white fish meat, also known as leaching. One or more dewatering steps follow this washing process.
A refining step separates unwanted fish parts such as skin, bones, and fins. A screw press squeezes the refined fish meat into primary-grade surimi.
The discarded fish parts from the step above go through another leaching step, followed by a screw press to produce secondary-grade surimi.
The total yield from this traditional process rarely exceeds 50% of the original fish meat processed.
1. Two motor, two frequency inverter drive system, realize differential speed stepless regulation and energy return
2. Spiral stoker blades: Surfacing welding tungsten carbide grinding
3. Drum cone cylinder material outlet: Replaceable wear resistant, corrosion resistant ceramic alloy bushing.
4. Main bearing: Sweden NSK
5. Main sealing parts: Taiwan SOG, material is Nitrile butadiene rubber
6. Electrical protection: overload, phase loss, torque protection
7. Main and vice inverter use common DC bus, vice motor’s function is generating electricity ( save electricity)
8. PLC remote control(Customer selection)
1. 24 hours onlinne consult and service
2. Introduce the product to the customer in detail, answer the question raised by customer carefully;
3. Make different plans for choice according to the needs and requirements of customers;
1. Ensure product with high quality before delivery;
2. Packing and shiping carefully;
3. Delivery on time;
4. Provide full set of documents as customer’s requirements.
1. Help to install and debug the equipment;
2. Provide 24 hours techincal support by e-mail or phone;
3. Keep sufficient replaceable spare parts;
4. Help customers slove any other questions about products or other aspect;
5. Establish long-term and friendly relationship.
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