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Method for graded drying of camellia seeds

A technology for graded drying and camellia seeds, which is applied in the direction of fat oil/fat production and fat generation, can solve the problems of different sizes, high-efficiency drying of camellia seeds, etc., and achieve the effect of improved drying efficiency, uniform moisture, and increased grading treatment

Inactive Publication Date: 2012-05-02
JIANGNAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] Camellia oleifera seeds are often dried with a flat-panel dryer. However, due to the large variety of camellia oleifera seeds, the camellia oleifera seeds purchased by processing companies usually come from a wide range of sources, and their properties vary greatly. Even the same variety of camellia oleifera seeds has different sizes. Efficient drying of seeds presents difficulties

Method used

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Examples

Experimental program
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Effect test

Embodiment 1

[0011] The freshly harvested Camellia oleifera fruit is selected to remove impurities such as soil, sand and stones in the Camellia oleifera fruit, as well as the Camellia oleifera fruit that has become mildewed and damaged by diseases and insect pests; the selected Camellia oleifera fruit is placed in the sun for 1 to 5 days, and the Camellia oleifera fruit is left to dry for 1-5 days. After the shell is cracked naturally, the husk is removed to obtain camellia oleifera seeds; the camellia oleifera seeds after the husk is removed are classified by a vibrating sieve and dried by a flat-panel dryer. The Camellia oleifera seeds are sent into a flat dryer for drying. The steam pressure of the flat dryer is 0.4Mpa, the chain running speed is 1.2m / min, and the drying time is 45min, so that the moisture content of the Camellia oleifera seeds is reduced to 7.5%.

Embodiment 2

[0013] The freshly harvested Camellia oleifera fruit is selected to remove impurities such as soil, sand and stones in the Camellia oleifera fruit, as well as the Camellia oleifera fruit that has become mildewed and damaged by diseases and insect pests; the selected Camellia oleifera fruit is placed in the sun for 1 to 5 days, and the Camellia oleifera fruit is left to dry for 1-5 days. After the shell is cracked naturally, the husk is removed to obtain camellia oleifera seeds; the camellia oleifera seeds after the husk is removed are classified by a vibrating sieve and dried by a flat-panel dryer. The Camellia oleifera seed is sent into a flat dryer for drying. The steam pressure of the flat dryer is 0.5Mpa, the chain running speed is 1.5m / min, and the drying time is 30min, so that the moisture content of the Camellia oleifera seed is reduced to 6.8%.

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Abstract

The invention discloses a method for graded drying of camellia seeds, belonging to the technical field of agricultural product processing. The invention discloses a method for graded drying of camellia seeds, which is characterized in that: in the case of controlling vibration amplitude of a grading vibrating screen, rotating speed of an eccentric shaft, steam heating pressure of a flat dryer and operating speed of a chain, fresh camellia seeds, which are used as raw materials, are dried to the condition that the temperature is below normal temperature and the content of safe storage moisture is below 9%. According to the method, the addition of graded treatment results in uniform moisture in the dried camellia seeds and improved drying efficiency, and the crushing process subsequent to dehulling can be omitted when small camellia seeds are dried.

Description

technical field [0001] The invention relates to a graded drying method for camellia oleifera seeds, which belongs to the technical field of agricultural product processing. Background technique [0002] Due to its high nutritional value, Camellia oleifera seed oil has recently been valued by governments at all levels and the people. The development of camellia oleifera industry can not only increase the supply of oil plants, but also improve the ecological balance. The rapid expansion of Camellia oleifera planting area has prompted the large-scale processing and utilization of Camellia oleifera seeds. At present, camellia seed is mainly used for oil production. Drying is the first process of Camellia oleifera seed processing, and the quality of drying directly has a major impact on the quality and oil yield of Camellia oleifera seeds. For a long time, camellia seeds have been mainly planted and harvested by farmers themselves. The drying of camellia seeds is usually done i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C11B1/04
Inventor 金青哲邢朝宏李进伟王兴国
Owner JIANGNAN UNIV
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