Gas fumigation device, fumigation method and application

A technology of fumigation device and exhaust device, which is applied in the direction of application, device for capturing or killing insects, food preservation, etc. It can solve the problems of polluted environment, physical hazards of experimenters, high toxicity, etc., and achieves small environmental pollution and reduction of two secondary pollution, anti-gas leakage effect

Inactive Publication Date: 2018-02-16
新疆农业科学院农产品贮藏加工研究所
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although these fumigants have significant insecticidal effects, they are highly toxic, and a small amount of leakage or a slight excess will cause harm to the body of the experimenter, and at the same time, it will also pollute the environment.

Method used

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  • Gas fumigation device, fumigation method and application
  • Gas fumigation device, fumigation method and application
  • Gas fumigation device, fumigation method and application

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0066] This embodiment provides a gas fumigation device, the structure schematic diagram of the device is as follows figure 1 shown, from figure 1 It can be seen that it includes a fumigation chamber 1, a gas inlet device and a gas exhaust device;

[0067] The fumigation chamber 1 is provided with a sample inlet (not shown in the figure) to be fumigated, a vent valve 3, a vacuum gauge 4, a vent 5, a stainless steel support (not shown in the figure), a stainless steel partition 11 and a circulation fan 12;

[0068] The entrance of the sample to be fumigated is located on the front wall of the fumigation chamber 1, and the entrance of the sample to be fumigated is equipped with a fumigation chamber door (not shown in the figure);

[0069] The top of the fumigation chamber 1 is provided with a gas vent 2 on the left side, and the vent valve 3 is installed on the gas vent 2;

[0070] The vacuum gauge 4 is installed on the top of the fumigation chamber 1 near the center through a...

Embodiment 2

[0082] This embodiment provides a gas fumigation treatment method for dried apricots, which is realized by using the device provided in Embodiment 1 of the present invention, and includes the following steps:

[0083] The dried apricot sample is put into four PVC plastic fresh-keeping boxes with air holes, the quality of the dried apricot sample in each plastic box is 200g, the plastic fresh-keeping box with sample is put into the stainless steel clapboard in the above-mentioned fumigation device, Close the fumigation chamber door and exhaust port. At this time, the pressure in the gas fumigation device is 0.90MPa, the temperature is 18.8°C, and the relative humidity is 38%;

[0084] (1) Inject 100 μL of nitric oxide (NO) gas through the air inlet at room temperature, close the air inlet, and fumigate the dried apricot samples in the first PVC plastic preservation box for 4 hours, then take out the dried apricot samples at room temperature Storage for 90 days;

[0085] (2) At...

Embodiment 3

[0113] The present embodiment provides a kind of gas fumigation processing method of jujube, and this method adopts the device that embodiment 1 provides to realize, and it comprises the following steps:

[0114] Put the jujube samples into four PVC plastic fresh-keeping boxes with air holes, the quality of the red jujube samples in each plastic box is 300g, put the plastic fresh-keeping boxes containing the samples on the stainless steel clapboard in the above-mentioned fumigation device, and close the fumigation At this time, the pressure in the gas fumigation device is 0.90MPa, the temperature is 19.6°C, and the relative humidity is 36%;

[0115] (1) Inject 200 μL of nitric oxide (NO) gas through the air inlet at room temperature, close the air inlet, and fumigate the jujube sample in the first PVC plastic preservation box for 6 hours, then take out the sample and store it at room temperature for 120 days ;

[0116] (2) At room temperature, inject 200 μL of sulfur dioxide ...

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Abstract

The invention provides a gas fumigation device, a fumigation method and application. The device comprises a fumigation chamber, a gas inlet device and a gas discharge device, wherein the fumigation chamber is provided with an inlet for a sample to be fumigated, a vacuum gauge, a gas vent, a stainless steel support, a stainless steel clapboard and a circulating fan; the inlet for the sample to be fumigated is located on a front wall of the fumigation chamber; a fumigation chamber door is arranged on the inlet for the sample to be fumigated; the stainless steel support is symmetrically fixed toa left side wall and a right side wall of the fumigation chamber so as to be used for supporting the stainless steel clapboard; the stainless steel clapboard is used for holding the sample to be fumigated and is provided with ventilated holes; the circulating fan is fixed to the center of the bottom part of the fumigation chamber and is provided with a switch for controlling the circulating fan torun; the switch is located on the outer part of the fumigation chamber; the gas vent is arranged on a side wall of the fumigation chamber and is provided with a three-way valve; the gas inlet deviceand the gas discharge device are located on the outer part of the device and are connected with the three-way valve.

Description

technical field [0001] The invention relates to a gas fumigation device, a fumigation method and its application, and belongs to the technical field of gas fumigation, insecticidal, antibacterial and storage of postharvest agricultural products. Background technique [0002] With the development of social economy and the improvement of living standards, people's demand for agricultural products and quality are increasing, and the storage and preservation of agricultural products after harvest has become a hot spot that people pay attention to. However, a large amount of agricultural products enter the market after harvesting, and the phenomenon of rot and deterioration of agricultural products still exists due to improper storage of insect eggs and germs. In order to make up for this loss, gas fumigation can be performed on agricultural products after harvest and before transportation. [0003] Gas fumigation is a method of injecting a certain amount of gas fumigant into a ...

Claims

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Application Information

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IPC IPC(8): A23B7/152A01M17/00
CPCA01M17/008A23B7/152A23V2002/00A23V2200/10
Inventor 吴斌陈燕魏佳阿塔吾拉·铁木尔张健
Owner 新疆农业科学院农产品贮藏加工研究所
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