Equipment for puffing garden stuff with air current and microwave

A technology of microwave puffing and airflow, which is applied in food preparation, food forming, food science, etc., can solve the problems of uneven heating of materials, browning reaction, and high cost, so as to improve labor productivity, alleviate the degree of browning, reduce The effect of manufacturing costs

Inactive Publication Date: 2009-07-15
SHAANXI UNIV OF SCI & TECH
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  • Abstract
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  • Claims
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Problems solved by technology

[0003] In order to solve the problems of high equipment cost, long production cycle, uneven heating of materials, low production efficiency, and serious browning reaction in fruit and vegetable puffing, t...

Method used

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  • Equipment for puffing garden stuff with air current and microwave

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Embodiment Construction

[0009] The liquid nitrogen storage tank (10), the high-pressure nitrogen generator (7) are sealed and connected with the expansion tank (21) through the outer pipeline (6) and the valves (8, 9) on the outer pipeline (6), and the expansion tank (21) passes through The quick opening valve (16) is sealed and connected with the vacuum tank (17), and the vacuum pump (19) is sealed and connected with the vacuum tank (17) through the pipeline and the vacuum valve (20) on the pipeline; a vacuum gauge (18) is arranged above the vacuum tank (17). ); there are rubber sealing rings (26) and soft ferrite rings (27) between the expansion tank (21) and the left head (4) and the right head (15) to carry out gas sealing and prevent microwave leakage; the expansion tank (21) is provided with a support arm (1) capable of supporting the left head (4), and the seat plate (3) connected to the end of the support arm (1) is combined with the left head (4); the heating resistance wire (23) Located in ...

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Abstract

The invention relates to an airflow microwave fruit and vegetable puffing device which can rapidly and uniformly puff, rapidly cool and shape fruits and vegetables by a liquid nitrogen cooling device and a rotating cylinder connected with a microwave generating device and provided with a dispersion plate and can keep the favors and the colors of the fruits and the vegetables. The invention has the working theory that high-temperature and high-pressure nitrogen and microwaves act to rapidly increase the temperature and the pressure of the fruits and the vegetables to set values; a ball valve is opened, and a puffing tank is connected with a pre-vacuumized vacuum tank so as to rapidly reduce the pressure, realize the flash evaporation of water and then puff the fruits and the vegetables and fill liquid nitrogen to cool and shape materials. The invention has the advantages of rapid heat exchange, uniform material heating, rapid shaping process and little heat energy loss.

Description

Technical field: [0001] The invention relates to fruit and vegetable puffing equipment used in the field of food processing, in particular to a device capable of rapidly puffing fruits and vegetables under low temperature and high pressure, cooling and shaping them. technical background: [0002] Air puffing technology and microwave puffing technology can eliminate the adverse effects of fried puffed food, reduce the fat content, well retain the original nutrition and flavor of fruits and vegetables, and are welcomed by people. Non-fried puffing equipment is mainly divided into three categories: low-temperature vacuum freeze-drying equipment, vacuum microwave puffing equipment, and low-temperature airflow puffing equipment. Low, the food after puffing is too soft and the taste is poor; low-temperature air puffing equipment consumes high energy, heat preservation and setting time is long, production efficiency is low, and browning reaction is serious; vacuum microwave puffing...

Claims

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Application Information

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IPC IPC(8): A23L1/212A23P1/14A23L19/00A23P30/30
Inventor 刘超陈海峰乔丽洁王永琴史诺易福磊马明李秀兵
Owner SHAANXI UNIV OF SCI & TECH
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