Drying method for camellia seeds

A drying method and technology of camellia oleifera seeds, which are applied in the directions of drying solid materials, heating to dry solid materials, and promoting the drying of solid materials, can solve the problems of sticky and sour appearance of camellia oleifera seeds, and achieve oil quality improvement, The effect of excellent product quality and excellent process quality

Inactive Publication Date: 2016-05-11
RES INST OF SUBTROPICAL FORESTRY CHINESE ACAD OF FORESTRY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a drying method for camellia oleifera seeds, aiming at the deficiencies of the prior art, so that the problems of sticky, sour and poor appearance of camellia oleifera seeds during the drying process are solved, which not only integrates drying and enzyme inactivation, but also It also improves the drying efficiency and ensures the quality of the dried camellia seed

Method used

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  • Drying method for camellia seeds

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Effect test

Embodiment 1

[0030] Put the to-be-dried camellia seeds peeled off the husks into the continuous vertical dryer for pre-dehydration, the heating time is 11min, the hot air temperature is 109°C, the pre-dehydration time is 22min, and the thickness of the material layer is 38cm; after pre-dehydration Camellia oleifera seeds enter the second and third layers of drying section, and are dried by medium temperature process. The temperature of hot air in the drying section is 82°C, the drying time of each layer is 40min, and the thickness of the material layer is 62cm; after medium temperature drying The raw materials are dried in the drying section of the conventional process. After drying, they are initially cooled by the drying tower and then transported to the warehouse for cooling. The thickness of the cooling is 10cm, and the cooling time is 24 hours.

Embodiment 2

[0032] Put the to-be-dried camellia seeds peeled off the husks into the continuous vertical dryer for pre-dehydration, the heating time is 10min, the hot air temperature is 110°C, the pre-dehydration time is 20min, and the thickness of the material layer is 40cm; after pre-dehydration Camellia oleifera seeds enter the second and third layers of drying section, and are dried by medium temperature process. The temperature of hot air in the drying section is 80°C, the drying time of each layer is 40min, and the thickness of the material layer is 60cm; after medium temperature drying The raw materials are dried in the drying section of the conventional process. After drying, they are initially cooled by the drying tower and then transported to the warehouse for cooling. The thickness of the cooling is 10cm, and the cooling time is 24 hours.

Embodiment 3

[0034] The camellia seeds to be dried after peeling off the husks are put into a continuous vertical dryer for pre-dehydration. The heating time is 9 minutes, the temperature of the hot air is 111°C, the pre-dehydration time is 18 minutes, and the thickness of the material layer is 42cm; Camellia oleifera seeds enter the second and third layers of drying section and are dried by medium temperature process. The temperature of the hot air in the drying section is 78°C, the drying time of each layer is 40min, and the thickness of the material layer is 58cm; after medium temperature drying The raw materials are dried in the drying section of the conventional process. After drying, they are initially cooled by the drying tower and then transported to the warehouse for cooling. The thickness of the cooling is 10cm, and the cooling time is 24 hours.

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Abstract

A drying method for camellia seeds comprises the following steps that (1) the shuck-removed camellia seeds to be dried enter a continuous vertical type dryer to be pre-dehydrated in a short time at high temperature; (2) the pre-dehydrated camellia seeds enter a second drying section and a third drying section to be dried at intermediate temperate; and (3) the camellia seeds dried at intermediate temperate enter a conventional process drying section to be dried, and after drying is completed, the camellia seeds are preliminarily cooled by a drying tower, then conveyed into a warehouse to be cooled in a spreading mode, and put in storage after being completely cooled. By the adoption of the method including the steps of conducting high-temperature short-time pre-dehydration, then conducting intermediate-temperate drying and conventional process drying, cooling the camellia seeds, and afterwards putting the camellia seeds in the storehouse so as to cool the camellia seeds in the spreading mode, the problems that the camellia seeds are tacky, acidify and get dark in color in the drying process is solved, and the dried camellia seeds are better in quality compared with camellia seeds processed in the prior art; the quality of camellia seed oil made from the camellia seeds can be substantially improved, and the purpose of the drying method is realized.

Description

technical field [0001] The invention relates to a drying method, in particular to a drying method of camellia oleifera seeds. Background technique [0002] The existing method for drying camellia oleifera seeds mainly imitates the drying and tempering process in the soybean processing process, by drying the camellia oleifera seeds at a uniform low temperature, and the drying temperature is about 60°C. Using this process for drying, during the drying process, due to the high moisture content of the camellia seeds, the microorganisms multiply rapidly during the drying process, making some of the camellia seeds sticky and sour after drying; Under these circumstances, most of the enzymes of camellia oleifera seeds are in a state of high activity, resulting in the loss of nutrients of camellia oleifera seeds during the drying process, and enzymatic browning and other problems. [0003] The Camellia oleifera seeds dried by the above drying method not only have poor appearance, bu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F26B1/00F26B3/00
Inventor 郭少海罗凡王亚萍费学谦姚小华
Owner RES INST OF SUBTROPICAL FORESTRY CHINESE ACAD OF FORESTRY
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