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Method for quickly detecting active mold class groups in grains stored in real granaries

An activity and mold technology, applied in measuring devices, instruments, scientific instruments, etc., can solve the problems of inability to know which group of active molds in grain piles belong, and the detection data cannot meet the decision-making needs, so as to extend the sampling time interval. , The procedure of simplifying the operation, the effect of reducing the number of inspections

Inactive Publication Date: 2014-12-03
HENAN UNIVERSITY OF TECHNOLOGY
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Problems solved by technology

However, the existing methods for detecting carbon dioxide concentration in grain piles can only determine whether there are molds active, and cannot know which group the active molds in the grain piles belong to. The detection data cannot meet the decision-making needs of grain storage managers for grain storage.

Method used

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  • Method for quickly detecting active mold class groups in grains stored in real granaries
  • Method for quickly detecting active mold class groups in grains stored in real granaries
  • Method for quickly detecting active mold class groups in grains stored in real granaries

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Embodiment Construction

[0022] The present invention will be further described below in conjunction with embodiment (accompanying drawing):

[0023] The present invention will combine below figure 1 The monitoring of mold groups in a small granary with 4 monitoring points is shown for further explanation.

[0024] Gas sampling points in grain piles, the layout of the detection system and the detection of carbon dioxide gas concentration (see figure 1 ), respectively buried gas pipelines 3 in grain piles 2 of four small granaries 1 with different moisture content of wheat. The air pipeline leads to the air inlet of the external valve 4 of the granary, and the air outlet of each valve 4 is connected to the main gas pipe 5, which is connected to the suction port of the air pump 6, and the carbon dioxide sensor 7 is connected to the gas output of the air pump 6. end connection. When detecting, open a certain valve 4, start the air suction pump 6, so that the gas in the granary 1 grain pile 2 is sent i...

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Abstract

The invention discloses a method for quickly detecting active mold class groups in grains stored in real granaries. According to the method, fixed-point free carbon dioxide sampling and analysis are carried out at preset time intervals in a special mode at effective detection parts of grain piles, and the active mold class groups in the grain piles are distinguished quickly according to the change features and statistics analysis results of free carbon dioxide concentrations in the grain piles. The method provides a reference for stored grain mold damage prevention and control decision making.

Description

technical field [0001] The invention belongs to the technical field of grain storage safety monitoring, and in particular relates to a method for rapidly detecting active mold groups in real grain storage. According to the law of mold activity affecting the change of carbon dioxide concentration in grain heaps, the method can quickly determine the types of molds that are growing in grain heaps, and provide a basis for judging the safety of grain storage. Background technique [0002] The activity of molds in stored grains can have a huge impact on the quality of grains, and may also cause serious food safety problems. Aflatoxin, which is highly toxic and carcinogenic, may be caused by the growth and metabolism of molds such as Aspergillus flavus in grains. However, only by giving an early warning before these molds grow and produce toxins, and taking effective control measures, can the quality deterioration of food and the occurrence of toxin pollution be prevented. Theref...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N33/00
Inventor 蔡静平屈建航张帅兵黄淑霞
Owner HENAN UNIVERSITY OF TECHNOLOGY
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