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Method for reducing oxygen to kill pests of stored goods

A material and warehousing technology, applied in the warehousing field, can solve the problem of high energy consumption and achieve the effect of saving energy, reducing oxygen and killing insects quickly

Inactive Publication Date: 2013-01-16
湖南华望熏蒸消毒有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the power of the pressure swing adsorption nitrogen production equipment reaches more than 30KW, and the oxygen concentration in the warehouse must be repeatedly lowered, resulting in high energy consumption.

Method used

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  • Method for reducing oxygen to kill pests of stored goods
  • Method for reducing oxygen to kill pests of stored goods
  • Method for reducing oxygen to kill pests of stored goods

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] In this embodiment, the storage material is tobacco leaves, and the relative humidity of the air is 60%.

[0031] 100m 3 The stack is sealed with a composite plastic film consisting of:

[0032] 1) Determine the stacking position, place the base film of the airtight tent on the stacking position;

[0033] 2) Pile cigarette stacks on the plastic bottom film, and put storage material curing agent on the top of the cigarette stacks.

[0034] The storage material curing agent includes the following components by weight percentage:

[0035]

[0036]

[0037] Among them, calcium chloride is used as the water absorbing agent. First weigh 50kg of reduced iron powder, carbonized rice husk, calcium chloride, sepiolite, and sodium nitrate according to the weight ratio, pour them into the mixer respectively, and stir for 15 minutes. A good storage material curing agent is packed in a small package PE plastic film bag with a size of 150×210mm (the net weight of the storage...

Embodiment 2

[0044]In this embodiment, the storage material is tobacco leaves, and the relative humidity of the air is 60%.

[0045] 100m 3 The stack is sealed with a composite plastic film consisting of:

[0046] 1) Determine the stacking position, place the base film of the airtight tent on the stacking position;

[0047] 2) Pile cigarette stacks on the plastic bottom film, and put storage material curing agent on the top of the cigarette stacks.

[0048] The storage material curing agent includes the following components by weight percentage:

[0049]

[0050] Among them, calcium sulfate is used as the water absorbing agent. First weigh 50kg of reduced iron powder, carbonized rice husk, calcium sulfate, sepiolite, and sodium nitrate in total, pour them into a mixer, then add water, and stir for 15 minutes. After stirring evenly, it will be made into a storage material curing agent. The prepared storage material curing agent is packed in a small package PE plastic film bag with a ...

Embodiment 3

[0057] In this embodiment, the storage material is tobacco leaves, and the relative humidity of the air is 60%.

[0058] 100m 3 The stack is sealed with a composite plastic film consisting of:

[0059] 1) Determine the stacking position, place the base film of the airtight tent on the stacking position;

[0060] 2) Pile cigarette stacks on the plastic bottom film, and put storage material curing agent on the top of the cigarette stacks.

[0061] The storage material curing agent includes the following components by weight percentage:

[0062]

[0063] Wherein, the water absorbing agent adopts anhydrous sodium sulfate. First weigh 50kg of reduced iron powder, carbonized rice husk, anhydrous sodium sulfate, sepiolite and sodium nitrate according to the weight ratio, pour them into the mixer respectively, then add water, stir for 15 minutes, and make the storage material after stirring evenly Curing agent, the prepared storage material curing agent is packed in a small pac...

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Abstract

The invention provides a method for reducing oxygen to kill pests of stored goods. Stored goods curing agent is laid in a sealing curtain for storing the stored goods, and simultaneously pressure swing adsorption nitrogen generating equipment is used for reducing oxygen. The method concretely comprises the following steps: firstly, sealing the stored goods and the stored goods curing agent in the sealing curtain, secondly, reducing the oxygen concentration of oxygen in the air in the sealing curtain to 2 to 8 percent through the pressure swing adsorption nitrogen generating equipment within 8 to 48 hours, and thirdly, further reducing the oxygen concentration of oxygen in the air in the sealing curtain to be lower than 2 percent through the stored goods curing agent within 10 days. The method has an ideal oxygen reducing effect, can reduce the oxygen concentration of oxygen in the air in the sealing curtain to be lower than 2 percent (the concentration for killing stored goods pests) within a short time, and reduce the oxygen concentration to be about 0.5 percent within 10 days, thereby achieving the purposes of rapidly reducing oxygen and killing pets.

Description

technical field [0001] The invention belongs to the technical field of storage, and relates to a method for reducing oxygen and killing insects in stored materials, and more specifically, to a method for reducing oxygen and killing insects by using pressure swing adsorption nitrogen-making equipment and a curing agent for stored materials in combination. Background technique [0002] At present, the method of sealed ultra-low oxygen storage (Ultra-low oxygen, ULO) is widely used in fields such as food, vegetables, and tobacco that need to be stored. This storage method controls the oxygen in the storage environment below 2%, so that the respiratory activity of the stored items is inhibited, and the consumed nutrients are greatly reduced, so the nutritional content and quality of the items can be maintained. At the same time, the ultra-low oxygen environment can also inhibit and kill microorganisms and plant diseases and insect pests in the storage environment. Compared with...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23L3/3418
Inventor 刘胜祥岳骞沈桃云吴水生
Owner 湖南华望熏蒸消毒有限公司
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