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Swelling pre-squeezing leaching preparation method for high oil-containing material

A technology of leaching and oilseeds, applied in the direction of fat oil/fat production, fat production, etc., to achieve the effect of easy operation, good percolation, and improved quality

Inactive Publication Date: 2008-08-06
中机康元粮油装备(北京)有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The purpose of the present invention is to provide a method for producing oil by puffing, pre-pressing and leaching of high-oil-containing oil, so as to solve the problems existing in the existing processing technology of high-oil-containing oil

Method used

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  • Swelling pre-squeezing leaching preparation method for high oil-containing material
  • Swelling pre-squeezing leaching preparation method for high oil-containing material
  • Swelling pre-squeezing leaching preparation method for high oil-containing material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0046] Embodiment 1: domestic rapeseed is processed according to the inventive method, and steps are as follows successively:

[0047] 1. Cleaning: After the rapeseed is screened by a plane rotary sieve, a stone remover, a magnetic separator, and winnowed, the impurity content is 0.4%;

[0048] 2. Tempering: after moisture adjustment at 55°C, the moisture content is 10%;

[0049] 3. Billet rolling: the thickness of the billet is 0.4mm;

[0050] 4. Extrusion and puffing: It is carried out on an oil extrusion puffing machine, the steam pressure is 0.6Mpa, the puffing outlet temperature is 90°C, the puffing coefficient is 1.25, the moisture content of the flakes entering the puffing machine is 10%, and the puffing material moisture content of the puffing machine is 12%. ;

[0051] 5. Drying: the moisture content of the extruded material after drying is 4%;

[0052] 6. Pre-pressing: Use a pre-pressing machine to pre-press the dried puffed material. When entering the press, the ...

Embodiment 2

[0054] Embodiment 2: Imported rapeseed is processed according to the method of the present invention, and the steps are as follows:

[0055] 1. Cleaning: After the rapeseed is screened by plane rotary sieve, de-stoner, magnetic separator, and winnowing, the impurity content is 0.3%;

[0056] 2. Tempering: the moisture content of imported rapeseed is less than 7%, and the moisture is 9% after softening with water at 50°C;

[0057] 3. Billet rolling: the thickness of the billet is 0.3mm;

[0058] 4. Expansion: steam pressure 0.7Mpa, puffing outlet temperature 95°C, expansion coefficient 1.30, moisture content of the flakes entering the extruder is 9%, moisture content of the puffed material exiting the extruder is 11%;

[0059] 5. Drying: the moisture content of the extruded material after drying is 5%;

[0060] 6. Pre-pressing: Use a pre-pressing machine to pre-press the dried puffed material, with 5% moisture, 100°C temperature, and 13% residual oil in the pre-pressed cake. ...

Embodiment 3

[0062] Embodiment 3: Cottonseed kernels are processed according to the method of the present invention, and the steps are as follows:

[0063] 1. Cleaning: After the cottonseed after delinting is first cleaned and screened, stoner removed, magnetic separator, shelled, and kernel shell separated, the impurity content is 0.3%;

[0064] 2. Tempering: After adding water at 55°C to soften, the water content is 10%;

[0065] 3. Billet rolling: the thickness of the billet is 0.3mm;

[0066] 4. Extrusion and puffing: It is carried out on an oil extrusion puffing machine with a steam pressure of 0.7Mpa, an puffing outlet temperature of 105°C, and an expansion coefficient of 1.30; %;

[0067] 5. Drying: the moisture content of the extruded material after drying is 5%;

[0068] 6. Pre-pressing: Use a pre-pressing machine to pre-press the dried puffed material. When entering the press, the moisture content of the puffed material is 5%, and the temperature of entering the press is 105°C...

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Abstract

The invention relates to a high oil-content oil material expanding prepressing leaching oil preparation method, which is characterized in that the method comprises the following steps, firstly, cleaning, cleaning oiling to remove impurities, secondly, tempering, adjusting the water content of oiling whose impurities are removed, thirdly, rolling slab, rolling oiling whose water content is adjusted into material slab, fourthly, squeezing and swelling, squeezing and swelling, the material slab, fifthly, drying, drying the material slab which is squeezed and swelled, sixthly, prepressing, prepressing the material slab which is dried to press one portion of oil, seventhly, leaching, leaching prepressed cake of the oil which is prepressed to get another portion of oil and meal from solvent extraction. A squeezing and swelling step in the invention is utilized to replace a cooking step in the existing method, which improves the quality and amounts of prepressing crude palm oil, increases handling capacity of a prepress expeller, and reduces power consumption and abrasion of a prepress expeller. The method of the invention is mainly applicable for oil preparation enterprises which utilize high oil-content oiling such as rapeseed and the like to be raw material.

Description

technical field [0001] The invention relates to a method for preparing oil from oil-containing oil, in particular to a method for producing oil by puffing, pre-pressing, and leaching of high-oil-containing oil. Background technique [0002] Vegetable oils can be divided into high oil content and low oil content according to oil content; high oil content includes rapeseed, cottonseed, linseed, sunflower seed, etc., and high oil content generally contains more than 25% oil; low oil content includes soybean, rice bran, etc. , Generally, the oil content is below 25%. The oil-making process of the above-mentioned high oil content oil and low oil content oil is different. [0003] In the current method of producing oil from high-oil-containing oil, the traditional process is generally followed, that is, the oil-containing oil is cleaned, rolled, steamed, pre-pressed, and then leached. However, the traditional processing method has the following deficiencies. Take the method of p...

Claims

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Application Information

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IPC IPC(8): C11B1/00
Inventor 李子明相海周海军张甲亮李少华
Owner 中机康元粮油装备(北京)有限公司
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