Puffing squeezing technology of rapeseed

A technology of rapeseed and technology, applied in the project field, can solve the problems of incomplete destruction of oil seed cells, high residual oil rate of oil seed meal, high content of non-hydratable phospholipids, etc., to shorten the leaching time, increase the oil yield, and penetrate strong effect

Inactive Publication Date: 2014-07-16
BEIJING ZHONGTIAN JINGU GRAIN OIL ENG TECH
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  • Abstract
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  • Claims
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Problems solved by technology

[0002] At present, the rapeseed oil processing plant widely adopts the mature and typical steaming and frying process. During the processing process, the steaming and frying pan is required to carry out high-temperature steaming and frying for more than 60 minutes; several important amino acids in rapeseed are severely damaged; crude oil Deep color and high content of non-hydratable phospholipids lead to a decrease in the oil refining rate; indirect steam is used in the steaming process, and the cell destruction of the oil is not complete, resulting in a high residual oil rate in the oil meal

Method used

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  • Puffing squeezing technology of rapeseed

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Embodiment Construction

[0006] The specific process of the process of the present invention: the rapeseed enters the feeder 1 and is transported to the No. 1 elevator 2 with a constant flow rate; through the No. 1 magnetic separator 3 . The No. 1 magnetic separator absorbs the iron-containing substances in the rapeseed, and the oil seed enters the destoned cleaning screen 4; the destoned oil is transported to the No. 2 hoist 5, and is transported to the flaking machine 6 through the No. 2 hoist 5; After being processed by the flaking machine 6, the qualified flakes are transported to the No. 3 elevator 7; the oil flakes are transported to the extruder 8 through the No. 3 elevator 7 for puffing treatment. After puffing, the oil in the form of small particles is transported to the flat dryer 10 through the No. 4 hoist 9 to remove excess water; a heating system is provided; the steam delivered from the boiler is distributed to the dryer through the steam distributor 20 Flat-panel dryer 10; rapeseed puff...

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Abstract

The invention discloses a puffed squeezing technology of rapeseeds. After an embryo flake preparing process to the rapeseeds, a puffing process without oil generated is carried out to the rapeseeds for enabling puffed particles to destroy cell walls of oil plants in a compulsory manner, thereby a purpose of gathering oil on surfaces of the oil plants is achieved. A drying process is carried out to remove moisture through a flat-plate dryer for enabling moisture content of the oil plants to be about 6%, and then a squeezing process is carried out. The leaching time during a subsequent leaching technology can be reduced since pre-squeezed cakes after being processed through the puffing process are in shapes of small particles and are very strong in penetrability; heat loss is very little since steam is directly contacted with oil plant embryos during the puffing process; a large amount of steam is saved since the operation time is short; and usage amount of steam is decreased since oil residue rate of cakes is reduced. Effects of improving oil extraction rate and saving energy are achieved.

Description

Technical field: [0001] The project of the present invention is applicable to the technical field of rapeseed pressing oil production process in small and medium-sized oil and fat enterprises. Background technique: [0002] At present, the rapeseed oil processing plant widely adopts the mature and typical steaming and frying process. During the processing process, the steaming and frying pan is required to carry out high-temperature steaming and frying for more than 60 minutes; several important amino acids in rapeseed are severely damaged; crude oil Deep color and high content of non-hydratable phospholipids lead to a decrease in the oil refining rate; indirect steam is used in the steaming and frying process, and the cell destruction of the oil is not complete, resulting in a high residual oil rate in the oil meal. Invention content: [0003] In the project of the present invention, after germination of rapeseed, the puffing treatment without oil is carried out; the puff...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C11B1/04C11B1/06C11B3/00
Inventor 李宁
Owner BEIJING ZHONGTIAN JINGU GRAIN OIL ENG TECH
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