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A drying process of apricot hot air combined with electric field

A kind of apricot drying technology, which is applied in the direction of drying solid materials, drying gas arrangement, drying, etc., can solve the problems of affecting commodity prices, low quality product rate, long drying time, etc., and achieve drying speed and uniform shrinkage, and apricot moisture content Uniform, energy-saving effect

Active Publication Date: 2019-02-15
INST OF AGRI MECHANIZATION XINJIANG AGRI INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The invention aims to solve the problems of long drying time, high energy consumption, serious browning of apricots after drying, uneven drying, low rate of high-quality products, and influence on commodity prices in the prior art, and provides a process with simple process steps and strong controllability. , apricot hot air combined electric field drying process suitable for industrial production

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] Place the fresh apricots evenly in a single layer in the tray on the feeding cart, and then put the feeding cart into the drying room where the hot air and the electric field with a voltage of 25kV work together, and then carry out five consecutive stages of drying, each stage is based on The weight change of the apricots is controlled. When the weight of the apricots changes to 24-25% of the initial weight, the drying ends. The weight of the apricots is measured by the weight sensor in the whole process.

[0019] In the first drying stage, the drying temperature is 35°C and the humidity is 72%, and the apricots are dried until the weight of the apricots is 90% of the original weight; in the second drying stage, the drying temperature is 45°C and the humidity is 60%, and the apricots are dried until the weight of the apricots is 70% of the original weight. %; in the third drying stage, the drying temperature is 50°C, the humidity is 40%, and the apricots are dried until ...

Embodiment 2

[0021] Place the fresh apricots evenly in a single layer in the tray on the feeder, and then put the feeder into the drying room where the hot air and the electric field with a voltage of 30kV work together, and then carry out five consecutive stages of drying, each stage is based on The weight change of the apricots is controlled. When the weight of the apricots changes to 24-25% of the initial weight, the drying ends. The weight of the apricots is measured by the weight sensor in the whole process.

[0022] In the first drying stage, the drying temperature is 40°C, the humidity is 70%, and the apricots are dried until the weight of the apricots is 85% of the original weight; in the second drying stage, the drying temperature is 45°C, and the humidity is 55%, and the apricots are dried until the weight of the apricots is 68% of the original weight. %; in the third drying stage, the drying temperature is 50°C, the humidity is 40%, and the apricots are dried until the weight of ...

Embodiment 3

[0024] The fresh apricots are evenly placed in a single layer in the tray on the feeding cart, and then the feeding cart is put into the drying room where the hot air and the electric field with a voltage of 35kV work together, and then five consecutive stages of drying are carried out. Each stage is based on The weight change of the apricots is controlled. When the weight of the apricots changes to 24-25% of the initial weight, the drying ends. The weight of the apricots is measured by the weight sensor in the whole process.

[0025] In the first drying stage, the drying temperature is 40°C, the humidity is 68%, and the apricots are dried until the weight of the apricots is 85% of the original weight; in the second drying stage, the drying temperature is 50°C, the humidity is 50%, and the apricots are dried until the weight is 65% of the original weight. %; in the third drying stage, the drying temperature is 55°C, the humidity is 35%, and the apricots are dried until the weig...

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PUM

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Abstract

The invention provides a process for drying apricots through combination of hot air and an electric field. In the whole drying process, the apricots are always located in a combined action field of the hot air and the electric field, and all stages are controlled according to weight changes of the apricots. The whole apricot drying process is divided into five stages. Drying is finished when the weight of the apricots is changed to 24-25% of the initial weight of the apricots. The apricots dried through the process are uniform in color, strong in aroma, uniform in shrinkage and high in yield, the commodification of the dried apricots is greatly improved, and the process has broad application prospects.

Description

technical field [0001] The invention relates to the technical field of fruit and vegetable processing, in particular to an apricot hot air combined electric field drying process. Background technique [0002] Apricots are native to China and have been cultivated in China for more than 3,000 years. Apricot is one of the main fruits in Xinjiang. Its planting area and output are second only to red dates and grapes, ranking third. The moisture content of apricots is generally above 80%. The apricot skin is delicate and easily damaged. Generally, it can only be stored for about 7 days. In addition, the cultivation of apricot trees in Xinjiang is mainly distributed in remote mountainous areas such as Kashgar, Hotan and Aksu. Fresh sales brought great difficulties. At present, more than 70% of apricots in Xinjiang are used for drying. [0003] In recent years, with the strong support of the Xinjiang Autonomous Region government for the development of the apricot industry, the tr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F26B25/22F26B21/08F26B21/10F26B21/00F26B23/04F26B25/00
CPCF26B21/00F26B21/08F26B21/10F26B23/04F26B25/00F26B25/22
Inventor 王庆惠李忠新阿布里孜·巴斯提田翔杨莉玲刘奎刘佳杨忠强崔宽波朱占江沈晓贺马文强闫圣坤买合木江孙俪娜班婷祝兆帅毛吾兰王冰
Owner INST OF AGRI MECHANIZATION XINJIANG AGRI INST
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