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 produ

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

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Example Embodiment

[0028] Example 1. Medium and short wave infrared pulse vacuum uniform drying method of potato granules

[0029] Clean the fresh potatoes and cut them into 5mm-10mm cubes. Put 200g of potato pellets in a microwave oven, blanch at 800W microwave power for 2 minutes, take out the potato pellets after blanching, and use a cooler to remove the water attached to the surface. Turn on the refrigerator 13, when the temperature of the cooler 12 reaches 10℃, plug the gas distributor 7 and the drying pipe 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 turn the microwave The blanched and cooled potato pellets are put into the drying tube 5, the feed valve 1 and the baffle valve 2 are closed, the water ring vacuum pump 15 is turned on, the pressure in the shortwave infrared heating chamber 3 and the drying tube 5 reaches 10kPa, opening The power of the short-wave infrared emitting tube 4 and the gas flow regulating valve 9,...

Example Embodiment

[0030] Example 2: Medium and short wave infrared pulse vacuum uniform drying method of mushroom particles

[0031] Wash the fresh shiitake mushrooms and cut them into 5mm-10mm cubes. Turn on the refrigerator 13, when the temperature of the cooler 12 reaches 10℃, plug the gas distributor 7 and the drying pipe 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 remove the mushrooms. Put the pellets into the drying tube 5, close the feed valve 1 and baffle valve 2, turn on the water ring vacuum pump 15, the medium and short wave infrared heating chamber 3 and the pressure in the drying tube 5 reach 15kPa, turn on the medium and short wave infrared emission tube 4 And gas flow regulator 9. The power of the medium and short wave infrared emission tube 4 is automatically adjusted according to the set temperature of the particulate material. The maximum temperature of the particulate material is 50℃. The temperature value...

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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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