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De-waxing method of rice bran oil

A rice bran oil and dewaxing technology, which is applied in the direction of edible oil/fat, fat oil/fat refining, fat production, etc., can solve the problems of troublesome cleaning, long winterization time, not suitable for large-scale production and operation, etc., and achieve freshness preservation time Long-term, anti-oil back color effect

Active Publication Date: 2015-08-12
ZOUPING JIANYUAN GREASE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Because rice bran oil contains a lot of wax, the dewaxing by winterization filtration dewaxing method takes a long time, the filter equipment is very easy to block, and cleaning is more troublesome, so it is not suitable for large-scale production and operation.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] Embodiment 1 A kind of dewaxing method of rice bran oil, concrete steps are:

[0017] The deodorized rice bran oil is poured into a seed tank filled with nitrogen and a vacuumized crystallization tank, and a relative proportion of filter aid is added to the seed tank for stirring. The mixed oil after stirring enters the negative pressure No. 1 crystallization tank, and the crystallized rice bran oil enters the pre-vacuum crystal growth tank. Refined oil.

[0018] The amount of filter aid added in the above seed tank is 12‰ of the amount of deodorized rice bran oil, mixed and stirred for 3 minutes and quickly poured into the crystallization tank;

[0019] The above-mentioned negative pressure No. 1 crystallization tank is pre-evacuated, and the negative pressure is -0.01pa. After the oil fills the entire crystallization tank, the refrigerant water is introduced, the stirring speed is 65 rpm, and the oil temperature is cooled to 10°C.

[0020] In the method for dewaxing...

Embodiment 2

[0024] A kind of dewaxing method of rice bran oil, concrete steps are:

[0025] The deodorized rice bran oil is poured into a seed tank filled with nitrogen and a vacuumized crystallization tank, and a relative proportion of filter aid is added to the seed tank for stirring. The mixed oil after stirring enters the negative pressure No. 1 crystallization tank, and the crystallized rice bran oil enters the pre-vacuum crystal growth tank. Refined oil.

[0026] The amount of filter aid added in the above seed tank is 15‰ of the amount of deodorized rice bran oil, mixed and stirred for 3.5 minutes and quickly poured into the crystallization tank;

[0027] The above-mentioned negative pressure No. 1 crystallization tank is pre-evacuated, and the negative pressure is -0.015pa. After the oil fills the entire crystallization tank, the refrigerant water is introduced, the stirring speed is 63 rpm, and the oil temperature is cooled to 13°C;

[0028] In the method for dewaxing rice bran...

Embodiment 3

[0032] A kind of dewaxing method of rice bran oil, concrete steps are:

[0033] The deodorized rice bran oil is poured into a seed tank filled with nitrogen and a vacuumized crystallization tank, and a relative proportion of filter aid is added to the seed tank for stirring. The mixed oil after stirring enters the negative pressure No. 1 crystallization tank, and the crystallized rice bran oil enters the pre-vacuum crystal growth tank. Refined oil.

[0034] The amount of filter aid added in the above seed tank is 16‰ of the amount of deodorized rice bran oil, mixed and stirred for 5 minutes and quickly poured into the crystallization tank;

[0035] The above-mentioned negative pressure No. 1 crystallization tank is pre-evacuated, and the negative pressure is -0.008pa. After the oil fills the entire crystallization tank, the refrigerant water is introduced, the stirring speed is 68 rpm, and the oil temperature is cooled to 15°C;

[0036] In the method for dewaxing rice bran o...

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PUM

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Abstract

The invention relates to a de-waxing method of rice bran oil. The method comprises the following steps: adding deodorized rice bran oil into a seed tank filled with nitrogen gas and a vacuum crystallization tank, adding a certain amount of filter aid into the seed tank, stirring; transferring the mixed oil to a No.1 crystallization tank with a negative pressure, conveying the crystallized rice bran oil to a maturing tank, which has been vacuumized in advance; after maturing, transferring the rice bran oil to a temporary storage tank, then pumping the rice bran oil into a pre-coating tank, pre-coating the rice bran oil, and filtering so as to obtain the finished oil. The provided method is used to de-wax rice bran oil; the whole process from the crystallization tank to the finished product is completely enclosed so as to prevent the contact between grease and air, and thus the grease oxidation is avoided. The cooling water is introduced into the system after the whole crystallization tank is filled with grease, thus the water content in oil is reduced, and the freezing tests last for a longer time, compared with the national standards.

Description

technical field [0001] The invention belongs to the technical field of oil processing, and in particular relates to a method for dewaxing rice bran oil. Background technique [0002] Rice bran oil has high nutritional value. In developed countries such as Europe, America, Korea, Japan, etc., it is a healthy nutritional oil as famous as olive oil. It is deeply loved by people with high blood fat and cardiovascular and cerebrovascular diseases, and has long become the daily health of Western families. cooking oil. [0003] So far, the rice bran oil dewaxing process is mainly the winterization filtration dewaxing method, such as the application number is 201310527111.3, and the invention name is a method for dewaxing rice bran oil, which discloses passing undewaxed rice bran oil into Flash evaporation is carried out in the separation tower, most of the rice bran wax is evaporated and stored in the wax storage tank; then the rice bran oil is passed into the dewaxing tank for wi...

Claims

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Application Information

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IPC IPC(8): C11B3/00A23D9/04
Inventor 王月华王萍程芳园李珊珊王红光
Owner ZOUPING JIANYUAN GREASE