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Intermediate wave infrared and pulse vacuum draying integrated device of granulate prepared food and using method thereof

A technology of short-wave infrared and food conditioning, which is applied in the directions of drying solid materials, heating to dry solid materials, and non-heating to dry solid materials, etc. It can solve the problems of weak penetration, long drying time, and poor drying uniformity. Easy to operate, high drying efficiency, fast drying effect

Active Publication Date: 2013-03-20
JIANGNAN UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the 1950s, Curcio and Petty used near-infrared transmission spectroscopy to conduct research on moisture detection, but most of the undamaged and undamaged materials of food and agricultural products are "opaque" to near-infrared, and it is difficult to measure their transmittance.
At present, there are three outstanding problems and demands in the vacuum drying of agricultural products in my country: (1) The vacuum drying of agricultural products has problems such as large energy consumption, long drying time, and high cost, and there is a strong demand for efficient vacuum drying technology
(2) Short-wave infrared vacuum drying of agricultural products has problems such as weak penetration, poor drying uniformity, low yield, and aggravated product quality deterioration. There is a strong demand for efficient and uniform drying technology
The patent produces uneven drying of materials

Method used

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  • Intermediate wave infrared and pulse vacuum draying integrated device of granulate prepared food and using method thereof
  • Intermediate wave infrared and pulse vacuum draying integrated device of granulate prepared food and using method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0028] Embodiment 1, medium and short wave infrared pulse vacuum uniform drying method of potato particles

[0029] Clean the fresh potatoes and cut them into 5mm-10mm cubes. Put 200g of potato granules into a microwave oven and blanch for 2 minutes at a microwave power of 800W. After blanching, take out the potato granules, and use a cooling fan to remove the moisture attached to the surface. Turn on the refrigerator 13, and when the temperature of the cooler 12 reaches 10°C, put the gas distributor 7 and the drying pipe plug 8 into the drying pipe 5 from the lower part of the drying pipe 5, open the feed valve 1 and the baffle valve 2, and put the microwave The potato particles after blanching and cooling are put into the drying pipe 5, the feed valve 1 and the damper valve 2 are closed, and the water ring vacuum pump 15 is turned on. The power supply of the short-wave infrared emission tube 4 and the gas flow regulating valve 9, and the power of the medium-short wave infra...

Embodiment 2

[0030] Embodiment 2, medium and short-wave infrared pulse vacuum uniform drying method of mushroom particles

[0031] Clean the fresh shiitake mushrooms and cut them into cubes of 5mm-10mm. Turn on the refrigerator 13, and when the temperature of the cooler 12 reaches 10°C, put the gas distributor 7 and the drying pipe plug 8 into the drying pipe 5 from the bottom of the drying pipe 5, open the feed valve 1 and the baffle valve 2, and put the shiitake mushrooms Put the particles into the drying tube 5, close the feed valve 1 and the baffle valve 2, turn on the water ring vacuum pump 15, and the pressure in the short-wave infrared heating cavity 3 and the drying tube 5 reaches 15kPa, and turn on the power supply of the medium-short wave infrared emitting tube 4 And gas flow regulator 9. The power of medium and short-wave infrared emission tube 4 is automatically adjusted according to the set temperature of the granular material. The maximum temperature of the granular material...

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Abstract

The invention discloses an intermediate wave infrared and pulse vacuum draying integrated device of granulate prepared food and a using method thereof, belonging to the field of food dehydration and drying machinery. The intermediate wave infrared and pulse vacuum draying integrated device consists of a feed valve, a baffle valve, an intermediate wave infrared heating cavity, intermediate wave infrared transmitting tubes, drying tubes, a gas distributor, a drying tube plug, a gas flow adjuster, a gas-solid separator, an unloader, a cooler, a refrigerator, a vacuum storer, a vacuum pump and a control panel, wherein a material enters the drying tubes through the feed valve and the baffle valve; the baffle valve is machined to be a hole plate to prevent particle loss during drying; the drying tubes are material drying and flowing channels; the intermediate wave infrared heating cavity is a cylindrical vacuum container; the intermediate wave infrared transmitting tubes are uniformly distributed in the cavity; the drying tubes are uniformly arranged between the intermediate wave infrared transmitting tubes. By the device, the material can spray and rotate under the condition of intermediate wave infrared vacuum draying, so that the purpose of high-efficiency and uniform drying is reached, the drying period is shortened by over 40%, and the production cost is reduced.

Description

technical field [0001] The invention relates to an integrated device for uniform drying of medium-short-wave infrared and pulse vacuum for granular prepared food and a method for using it, which is suitable for medium-short-wave infrared vacuum uniform pulse spray drying of granular materials in the food industry, and belongs to the field of food dehydration processing and drying machinery equipment. Background technique [0002] At present, infrared (electromagnetic wave with a wavelength between 0.72 and 1000 μm) technology has been gradually applied in military and civilian research fields such as aerospace, aviation, remote sensing, industrial inspection, food, medicine, chemical industry, and petroleum industry. For infrared spectroscopy, there are different divisions in different fields. Generally speaking, infrared technology can be divided into four categories: near infrared, mid-infrared, far-infrared and high-infrared according to wavelength. Research on near-infra...

Claims

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Application Information

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IPC IPC(8): A23L3/54
CPCF26B5/04F26B3/30F26B11/00F26B25/04
Inventor 张慜王拥军王玉川王洪彩徐丰民
Owner JIANGNAN UNIV
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