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 qual

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
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Effect test

Example Embodiment

[0022] Example 1: After peeling the camellia seeds, they were dried. The oil content of the dried material was determined to be 45%, and the moisture content of the drying was 8%. The dried camellia seeds were squeezed by a twin-screw cold pressing oil press. The pre-pressed cake after oil extraction, the residual oil is 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 with a pressure of 0.1MPa in turn. Inject hot water with a temperature above 80°C into the lower material port of the third layer of the conditioning pot. The amount of hot water added is based on the standard that the moisture content of the material does not exceed 14%. The measured moisture content is 12.8%. No hot water is sprayed in. After the inspection side, the discharge moisture meets the requirements, and the hot water can be turned off.

[0023] The pre-pressed cake after quenching and ...

Example Embodiment

[0024] Example 2: The purchased tea seed cake was crushed, and the size of crushed was not more than 2 mm, and the oil content of the material was measured to be 42%. After crushing and discharging, it enters the hoist through the scraper and passes through the conditioning pot for conditioning. The first layer and the second layer of the conditioning pot are sprayed with direct steam with a pressure of 0.1MPa in turn, under the third layer of the conditioning pot Hot water with a temperature above 80°C is sprayed into the material port. The amount of hot water added is based on the standard that the moisture content of the material does not exceed 14%. The measured moisture content is 13.4%. If the hot water is not sprayed, the water in the discharged material after passing the inspection side meets the requirements, and the hot water can be turned off.

[0025] After quenching and tempering, the directly purchased tea seed cake enters the deep-fry chamber of the long screw extr...

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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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