The pretreatment workshop consists of the following sections:
Purpose:
1.Remove impurities from raw materials, including dust, rope ends, straw stalks, soil clods, stones, bean pods, oversized and undersized bean grains, etc.
2.Remove moldy beans, defective beans and heterochromatic grains via color sorting to improve raw material quality.
Principle:
1.Impurities are separated from soybeans based on differences in specific gravity, volume and surface characteristics.
2.Moldy and heterochromatic defective grains are identified by comparing with the standard color value of soybeans, then unqualified grains are separated and removed by high-pressure air flow.
Process Flow: Raw material soybeans are fed into the cleaning sieve through the feed scraper conveyor and feed elevator to remove large impurities. Heavy impurities such as stones are then separated by the destoner, and metal impurities are removed by a magnetic separator. Then, the materials enter the color sorter to remove moldy and defective beans. Unqualified products flow back to the temporary storage tank, and qualified soybeans are sent to the subsequent conditioning section.
Common Equipment: Cleaning sieve, destoner, magnetic separator, color sorter, air lock, cyclone separator, pulse dust collector, fan.
Purpose: Regulate the moisture content and temperature of soybeans, reduce the adhesion between soybean hulls and kernels, and make hulls easier to peel off during subsequent crushing.
Principle: Low-temperature hot air contacts soybeans in countercurrent flow, carrying away free moisture inside the grains. The different shrinkage rates of soybean hulls and kernels weaken the bonding strength between the two.
Process Flow: Qualified soybeans pass through the wetting screw conveyor and wetting tank in sequence for being pre-watered, then enter the conditioning and drying tower. The hot air heater provides low temperature hot air for countercurrent drying and conditioning. After moisture adjustment, the materials are conveyed to the dehulling section through air lock, conveying scraper and elevators. All dust is collected by the dust removal system.
Common Equipment: Conditioning and drying tower, air lock, wetting screw conveyor, wetting tank.
Purpose: Improve oil yield, enhance the quality of crude oil and meal, reduce equipment wear, increase the effective production capacity of equipment, facilitate subsequent processes such as flaking, and support comprehensive utilization of hulls.
Principle: Dehulling is completed by friction, impact, shearing, extrusion, etc. Separated whole beans flow back to the front-end dehuller for reprocessing.
Process Flow: Conditioned soybeans are fed into the dehuller for crushing and dehulling. The discharged materials are sent to the aspirator through the collection scraper and elevator to separate soybean hulls and kernels by specific gravity. The grading sieve then screens out qualified crushed soybeans, broken hulls and unhulled whole soybeans. The whole soybeans flow back to the dehuller for reprocessing, and soybean hulls are collected centrally by the hull collection scraper and sent to the hull warehouse for packaging.
Common Equipment: Grading sieve, dehuller, aspirator, hull elevator.
Purpose: After softening, the oilseeds have appropriate elasticity and plasticity with uniform internal and external properties, which meets the process requirements of flaking.
Principle: This section increases the plasticity of oilseeds by adjusting moisture and temperature, and is mainly applied to oilseeds with low oil content and low moisture content.
Process Flow: Graded qualified crushed soybeans are conveyed to the softening kettle by an elevator for conditioning and softening. After softening, the materials goes through re aspiration and dehulling, and are finally sent to the flaking section by the conveying scraper.
Common Equipment: Softening kettle.
Purpose: Destroy the cell tissue of oilseeds, increase the surface area of oilseeds, shorten the flow path of oil release, and facilitate oil extraction.
Principle: The process of rolling granular oilseeds into flakes by mechanical action.
Process Flow: The softened materials are fed into the flaker and rolled into raw flakes. The raw flakes are conveyed to the extraction workshop through the collection scraper, flake embedded scraper conveyor and horizontal scraper.
Common Equipment: Flaker, collection scraper, flake embedded scraper conveyor.
1.Purpose: Pretreated soybean flakes are counter-currently circulated and contacted with solvent inside the extractor. Oil is separated from soybean flakes through spraying, soaking and permeation extraction.
2.Principle: Utilize solvent capable of dissolving oil and fat, and extract the oil and fat from the soybean flakes through the effects of wetting penetration, molecular diffusion, and convective diffusion.
3.Process Description: Pretreated soybean flakes are conveyed into the extractor through the feeding scraper conveyor. Preheated fresh solvent is pumped into the extractor, flowing counter to the material. The solvent sprays and permeates the material to extract oil and fat.
4.Main Equipment: Drag chain extractor, rotocel extractor.
1.Purpose: Pretreated soybean flakes are counter-currently circulated and contacted with solvent inside the extractor. Oil is separated from soybean flakes through spraying, soaking and permeation extraction.
2.Principle: Utilize solvent capable of dissolving oil and fat, and extract the oil and fat from the soybean flakes through the effects of wetting penetration, molecular diffusion, and convective diffusion.
3.Process Description: Pretreated soybean flakes are conveyed into the extractor through the feeding scraper conveyor. Preheated fresh solvent is pumped into the extractor, flowing counter to the material. The solvent sprays and permeates the material to extract oil and fat.
4.Main Equipment: Drag chain extractor, rotocel extractor.
service-1
service-2
CHEMSTA vegetable oil&fats refining production line is used to refine various oils, including soybean oil, rapeseed oil, cottonseed oil, peanut oil, sunflower seed oil, corn germ oil, and rice bran oil. This production line features a capacity of 30-1,000 tons of crude oil per day, and is able to eliminate plasticizer (DEHP) pollution and prevent the formation of trans fatty acids (TFA) in an efficient manner.
Purpose: 1.Remove impurities from raw materials, including dust, rope ends, straw stalks, soil clods, stones, bean pods, oversized and undersized bean grains, etc. 2. Remove moldy beans, defective beans and heterochromatic grains via color sorting to improve raw material quality.
Purpose: 1.Remove impurities from raw materials, including dust, rope ends, straw stalks, soil clods, stones, bean pods, oversized and undersized bean grains, etc. 2. Remove moldy beans, defective beans and heterochromatic grains via color sorting to improve raw material quality.
Purpose: 1.Remove impurities from raw materials, including dust, rope ends, straw stalks, soil clods, stones, bean pods, oversized and undersized bean grains, etc. 2. Remove moldy beans, defective beans and heterochromatic grains via color sorting to improve raw material quality.
Purpose: 1.Remove impurities from raw materials, including dust, rope ends, straw stalks, soil clods, stones, bean pods, oversized and undersized bean grains, etc. 2. Remove moldy beans, defective beans and heterochromatic grains via color sorting to improve raw material quality.
Purpose: 1.Remove impurities from raw materials, including dust, rope ends, straw stalks, soil clods, stones, bean pods, oversized and undersized bean grains, etc. 2. Remove moldy beans, defective beans and heterochromatic grains via color sorting to improve raw material quality.
Purpose: 1.Remove impurities from raw materials, including dust, rope ends, straw stalks, soil clods, stones, bean pods, oversized and undersized bean grains, etc. 2. Remove moldy beans, defective beans and heterochromatic grains via color sorting to improve raw material quality.
Purpose: 1.Remove impurities from raw materials, including dust, rope ends, straw stalks, soil clods, stones, bean pods, oversized and undersized bean grains, etc. 2. Remove moldy beans, defective beans and heterochromatic grains via color sorting to improve raw material quality.
Purpose: 1.Remove impurities from raw materials, including dust, rope ends, straw stalks, soil clods, stones, bean pods, oversized and undersized bean grains, etc. 2. Remove moldy beans, defective beans and heterochromatic grains via color sorting to improve raw material quality.
Purpose: 1.Remove impurities from raw materials, including dust, rope ends, straw stalks, soil clods, stones, bean pods, oversized and undersized bean grains, etc. 2. Remove moldy beans, defective beans and heterochromatic grains via color sorting to improve raw material quality.
Purpose: 1.Remove impurities from raw materials, including dust, rope ends, straw stalks, soil clods, stones, bean pods, oversized and undersized bean grains, etc. 2. Remove moldy beans, defective beans and heterochromatic grains via color sorting to improve raw material quality.
Purpose: 1.Remove impurities from raw materials, including dust, rope ends, straw stalks, soil clods, stones, bean pods, oversized and undersized bean grains, etc. 2. Remove moldy beans, defective beans and heterochromatic grains via color sorting to improve raw material quality.
Purpose: 1.Remove impurities from raw materials, including dust, rope ends, straw stalks, soil clods, stones, bean pods, oversized and undersized bean grains, etc. 2. Remove moldy beans, defective beans and heterochromatic grains via color sorting to improve raw material quality.
