Solid material microwave-sterilizing method and tubular device thereof

A material and solid-state technology, which is applied in the field of microwave sterilization of solid-state materials and their tubular devices, can solve the problems of complex processes and other issues

Inactive Publication Date: 2010-07-07
XINJIANG UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In the case of high requirements for heat sterilization of solid materials or complex related processes, the existing microwave sterilization technology has certain limitations

Method used

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  • Solid material microwave-sterilizing method and tubular device thereof
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  • Solid material microwave-sterilizing method and tubular device thereof

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Experimental program
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Effect test

Embodiment 1

[0023] The tubular microwave continuous heating and sterilizing solid material device is composed of a pressurized solid material conveying system, a microwave heating system and an automatic control system. Among them, the solid material conveying system consists of hydraulic or pneumatic pressure station (1), pressure pipe (2), hydraulic cylinder or pneumatic cylinder (3), feeding port (4), push rod (5), feeding pipe (6) , discharge port (18), spring sealing valve (19), composed; the heating system is mainly composed of an array of graded heating microwave ovens, preheating microwave ovens (7), main heating microwave ovens (10), and heat preservation heating microwave ovens (16); the control system Mainly by the first temperature sensor (8), the first pressure sensor (9), the second temperature sensor (11), the second pressure sensor (13), the third temperature sensor (17) and The relevant control device (15) is composed, and the control mode can be controlled in a simple wa...

Embodiment 2

[0029] In the production process of solid-state fermentation to produce red yeast rice, protease, pectinase, cellulase, citric acid, ethanol, lactic acid, gibberellin, vitamins, soy sauce, vinegar, liquor, protein feed, b.t. preparations, edible fungi, etc. , the medium for solid-state fermentation needs to be sterilized. With the present invention, the solid material to be sterilized is fed through the feeding port (4) of the tubular microwave continuous heating and sterilizing solid material device, and pushed into the feeding pipe (6) through the push rod (5). Under the push of the push rod, the solid material enters the delivery pipe from the feed port and is pushed to the discharge port. The heating and sterilization capacity of the solid material is controlled by the advancing rate. The discharge end is connected with the spring sealing valve, which can control the material While ensuring the continuous output of the material, there is sufficient sterilization temperatur...

Embodiment 3

[0031] According to the present invention, during the extraction process of active ingredients of Chinese herbal medicines, such as resveratrol, ginsenosides, ephedrine, glycyrrhizic acid, shikonin, etc., the raw grass powder is sprayed and pre-wetted and placed for 5-30 minutes. Minutes, the amount of water sprayed depends on the relevant extraction process. Water spray pre-wetting can make the grass powder be heated rapidly when it is microwaved, and at the same time, the structure of the grass powder can be damaged by microwaves.

[0032] Push the solid material of Chinese herbal medicine powder to be processed by microwave into the feeding pipe (6) through the push rod (5) through the feeding port (4), and the solid material enters the feeding pipe from the feeding port under the push of the push rod and is pushed forward Running to the discharge port, the processing temperature and processing time can be adjusted by the microwave heating power and the material propulsion s...

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Abstract

The invention discloses a solid material microwave-sterilizing method and a tubular device thereof. Hydrous solid material is heated continuously by multilevel microwaves to generate steam, 0.1017-1.0015Mpa of steam pressure is formed in a tube for closing the steam and the steam pressure is preferentially in 0.2063-0.3653Mpa; a hydraulic or pneumatic push rod is used for continuous pulsed feeding in a controllable way and a spring seal valve is used for continuous discharging in a controllable way; the tubular device for sterilizing the solid material by continuous microwave heating is made to operate under pressure, the solid material is heated with microwaves to more than 120 DEG C of technical sterilizing temperature but less than the pyrolysis or coking temperature of the solid material, thereby continuous sterilizing treatment of the hydrous solid material is realized. The invention is widely applied to the fields of food, brewing, fruit processing, Chinese herbal medicine extraction and organic fertilizer production.

Description

technical field [0001] A microwave sterilizing solid material method and a tubular device thereof relate to the technical field of microwave continuous heating and sterilizing solid material in bioengineering, chemical engineering, food and environmental engineering. Background technique [0002] In many fields such as food, pharmaceuticals, agricultural and sideline products processing, brewing, organic waste treatment, solid-state fermentation, chemical industry, manufacturing industry, etc., problems of heating and sterilization of solid materials are often encountered. Compared with traditional steam heating and sterilization, microwave heating and sterilization of granular, powdery and other aqueous solid materials can significantly shorten the sterilization time. It has many advantages such as simple equipment, low energy consumption, easy operation and easy automation. There is no environmental pollution problem. When microwaves treat all kinds of water-containing so...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61L2/12A61L2/04A23L3/01
Inventor 计巧灵王卫国
Owner XINJIANG UNIVERSITY
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