A kind of oil pretreatment method suitable for oil extraction by water phase method

A pretreatment and oil technology, which is applied in the field of oil processing, can solve the problems of limited oil extraction rate and difficult oil pretreatment process, and achieve the effect of solving uneven process, ensuring particle size, and large processing capacity

Active Publication Date: 2018-05-25
JIANGNAN UNIV
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AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to provide an oil pretreatment method suitable for oil extraction by water phase method, aiming to solve the problem of difficult oil pretreatment process and limited oil extraction rate in the oil extraction process of water phase method

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] Example 1 The Roller Grinding Method of Peanuts

[0016] Now the peanuts are pre-crushed to 20-60 meshes and then roll-grinded. The number of rollers in the roller grinder is 2-5 rollers, the arrangement: vertical, the distance between the rollers: 0-1mm, the particle size: 5-60um , concentrated at 20-30um; adjust the pressure between the rollers to 30-50MPa to control the particle size; the radian of the roller: adjust the roller according to the hardness of different materials, the bending resistance of the roller, the roller pressure and the size of the feed particle size, etc. Radian and medium height, the range of medium height is between tens of microns to several millimeters; cooling water is turned on during grinding to prevent the temperature of the roller from being too high and affecting the properties of the material. The oil extraction rate of the pretreated peanut grinding material was 91.5%.

Embodiment 2

[0017] The roller grinding method of embodiment 2 camellia oleifera seed

[0018] The camellia seeds are shelled, pre-crushed to 20-60 meshes, and then roller-grinded. The number of rollers in the roller mill is 2-5 rollers, arrangement: vertical, roller spacing: 0-1mm, particle size: 5 ~60um, concentrated at 20~30um; adjust the pressure between the rollers to 45~65MPa to control the particle size; roller radian: according to the hardness of different materials, the bending resistance of the roller, the roller pressure and the size of the feed particle size, etc. The radian and middle height of the roller, the middle height range is between tens of microns and several millimeters; in order to facilitate feeding and increase production capacity, the roller can be atomized before feeding to make the smooth surface of the roller turn into a matte surface; grinding Open the cooling water from time to time to prevent the temperature of the roller from being too high, which will aff...

Embodiment 3

[0019] Example 3 Roller milling method for walnuts

[0020]The walnuts are pre-crushed to 20-60 mesh and then roll-grinded. The number of rollers in the roller grinder is 2-5 rollers, the arrangement: vertical, the distance between the rollers: 0-1mm, the particle size: 5-60um, concentrated Adjust the pressure between the rollers at 20-30um to 40-60MPa to control the particle size; roller radian: adjust the roller radian and medium-high according to the hardness of different materials, the bending resistance of the roller, the rolling pressure and the size of the feed particle size, etc. , the medium and high range is between tens of microns and several millimeters; when grinding, turn on cooling water to prevent the temperature of the roller from being too high, which will affect the properties of the material.

[0021] The oil extraction rate was 92.3% for the pretreated walnut grinding material with water enzymatic method.

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Abstract

The invention provides an oil pretreatment method suitable for oil extraction by the water phase method. The oil is pretreated by improving the roller grinding technology. The improvement method includes: using the surfaces of a plurality of rollers to squeeze the oil; Adjust the distance between the rollers and the number of rollers according to the required particle size, so as to squeeze different degrees; adjust the radian of the rollers according to the hardness of different materials, the bending resistance of the rollers, the rolling pressure and the size of the feed particle size, etc. And middle height, the middle height ranges from tens of microns to several millimeters; ensure that the particle size of the axial discharge is uniform; adjust the pressure between the rollers to 10-80MPa to control the particle size; the cylinders are arranged vertically (triangular), and the The surface of the roller is atomized to make the smooth surface of the roller into a rough surface; to promote feeding and increase production capacity. The invention solves the problem that the oil material pretreatment process is difficult and limits the oil extraction rate in the oil extraction process of the water phase method, greatly improves the oil extraction rate, and further promotes its industrialization development.

Description

technical field [0001] The invention belongs to the technical field of oil processing, and in particular relates to an oil pretreatment method suitable for oil extraction by an aqueous phase method. Background technique [0002] Vegetable oilseeds are an important source of oil and vegetable protein for humans. However, in the existing processing technology of pressing, leaching or the combination of the two in China, the processing conditions are often severe, destroying protein and other nutrients, reducing the utilization rate of oil resources or the economy of processing technology. At the same time, the oil extraction process and supporting refining process based on leaching solvents have potential safety and environmental pollution risks, and the problem of low comprehensive efficiency of resource utilization is very prominent. [0003] As a new type of oil extraction method, the aqueous phase method such as water substitution method and water enzyme method destroys p...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B02C4/00C11B1/04
Inventor 杨瑞金迟延娜张文斌赵伟华霄
Owner JIANGNAN UNIV
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