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Method for processing pre-leached material of camellia seed through bulking

A camellia seed and pre-leaching technology, which is applied in the production of fat oil/fat and fat production, can solve the problems of poor quality, high solvent consumption, dark color of crude oil, etc., to save cost and space, and improve drying efficiency.

Inactive Publication Date: 2013-04-17
郭少海 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Using the existing method, not only the residual oil in leaching is high, but also the solvent consumption is high; the extracted crude oil is dark in color and poor in quality, which makes the subsequent refining process more difficult
Due to the high solvent residue in tea seed meal, it also increases the safety hazard of tea seed meal storage

Method used

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  • Method for processing pre-leached material of camellia seed through bulking
  • Method for processing pre-leached material of camellia seed through bulking
  • Method for processing pre-leached material of camellia seed through bulking

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Embodiment 1: After shelling the camellia seed, dry it. The oil content of the dried material is 45% as determined, and the dried moisture is 8%. The dried camellia seed is oil-pressed by a twin-screw cold press. The pre-pressed cake after oil extraction, with a residual oil content of 7.6%, enters the elevator through the scraper, and is tempered through the tempering pot. The first and second layers of the tempering pot are sprayed with direct steam at a pressure of 0.1MPa in sequence. In the third layer of the tempering pot, the temperature is sprayed into hot water above 80°C. The amount of hot water added is based on the material moisture being no more than 14%, and the measured moisture is 12.8%. No hot water is sprayed, and the water content of the discharged material meets the requirements after inspection, and the hot water can be turned off.

[0023] After tempering, the pre-pressed cake enters the frying chamber of the long-screw extruder. When extruding, ad...

Embodiment 2

[0024] Embodiment 2: The tea seed cake purchased is pulverized, the particle size of pulverized is no more than 2mm, and the oil content of the material is measured to be 42%. After being pulverized and discharged, it enters the elevator through the scraper, and is tempered through the tempering pot. The first and second layers of the tempering pot are sprayed with direct steam at a pressure of 0.1MPa, and the third layer of the tempering pot Spray the hot water with a temperature of more than 80°C at the feed opening, the amount of hot water added is based on the fact that the moisture content of the material is no more than 14%, and the measured moisture content is 13.4%. If you do not spray hot water, the water content of the discharged material meets the requirements after inspection, and you can turn off the hot water.

[0025] The directly purchased tea seed cake after tempering enters the blast chamber of the long-screw extruder. When extruding, add direct steam with a...

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Abstract

The invention discloses a method for processing the pre-leached material of camellia seed through a bulking process, comprising the steps of: (1) decorticating the camellia seed and drying till the moisture content is below 10% by using a dryer; (2) carrying out oil expression by adopting a cold pressing method or a hot pressing method, wherein the cold pressing method is recommended to use in the process and the oil content in the tea seed cake after being subjected to the oil expression is not more than 12%; (3) putting the tea seed cake after being subjected to the oil expression into a conditioning pot; (4) putting the conditioned pre-pressed cake into a long-screw bulking machine from a discharging hole at the third layer to carry out bulking; and (5) reducing the water content of the bulked pre-pressed cake to below 8% by using an air counterflow dryer, putting into a leaching workshop and carrying out leaching oil extraction. By adopting the method disclosed by the invention, the residual oil content in the camellia oil cake after leach is greatly reduced to below 1.2%; the solvent consumption is also reduced to about 3.5kg / ton of cake; and the camellia oil cake is qualified in the burning explosion experiment.

Description

technical field [0001] The invention relates to a treatment method for pre-soaked camellia seed, in particular to a method for conditioning and puffing pre-pressed cake or purchased tea seed cake, and then drying. Background technique [0002] The existing preparation method of pre-leaching material is to crush the pre-pressed tea seed cake or the purchased tea seed cake to a particle size of about 5mm, and then use a flat-panel dryer to dry the water to 8%. Left and right, and then the material is transported into the horizontal leaching device, and the oil is extracted with n-hexane or No. 6 solvent oil. With the existing method, not only the residual oil in leaching is high, but also the solvent consumption is high; the extracted crude oil is dark in color and poor in quality, which makes the subsequent refining process more difficult. Due to the high residual solvent in the tea seed meal, it also increases the potential safety hazard of tea seed meal storage. Contents...

Claims

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Application Information

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IPC IPC(8): C11B1/04
Inventor 郭少海杨冬青
Owner 郭少海
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