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Grain fumigating device for reducing insecticidal gas residues

A technology of a fumigation device and a gas generating device, which can be applied to devices for capturing or killing insects, using chemicals to preserve seeds, animal husbandry, etc. The gas is not easy to discharge and other problems, to achieve the effect of quickly reaching the gas environmental protection standard, prolonging the maintenance period, and avoiding the harm to the human body and the environment

Inactive Publication Date: 2018-08-24
ZHENGZHOU LONGWEI ELECTRONICS TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In view of this, this application provides a grain fumigation device that reduces the residue of insecticidal gas, which solves the problem that phosphine gas is not easy to discharge through natural venting after grain fumigation, and the residual time of phosphine is long, causing harm to the environment and human body. question

Method used

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  • Grain fumigating device for reducing insecticidal gas residues

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] Such as figure 1 The illustrated grain fumigation device for reducing insecticidal gas residues includes an insecticidal gas generating device 2 located outside a granary 1. The granary 1 includes a grain storage cavity 3 and a ventilating cavity 4 arranged up and down. The insecticidal gas The generating device 2 is connected to the grain storage cavity 3, a mesh plate 5 is arranged between the grain storage cavity 3 and the ventilation cavity 4, and a filter screen 6 is laid on the mesh plate 5, the filter screen The aperture of 6 is not larger than the grain size, the ventilation cavity 4 is provided with an air intake mechanism communicating with the outside of the granary 1, a plurality of fans 7 are arranged inside the ventilation cavity 4, and the upper part of the granary 1 is also provided with An exhaust device connected to the outside of the granary 1.

[0019] In the above-mentioned grain fumigation device, the gas introduced through the ventilation cavity 4 d...

Embodiment 2

[0021] Based on Example 1, such as figure 1 As shown, the filter screen 6 is also provided with at least one layer of filter cloth 8, and the pore size of the filter cloth 8 is not larger than the pore size of the filter screen 6. The filter cloth 8 is provided to prevent dust and impurities in the grain from entering the ventilating cavity 4, resulting in the accumulation of dust in the ventilating cavity 4, increasing the life of the equipment and extending the maintenance period.

Embodiment 3

[0023] Based on Example 1, such as figure 1 As shown, the exhaust device includes an exhaust pipe 9 communicating with the inside of the granary 1 and a gas purifier 10 connected to the exhaust pipe 9, and the exhaust pipe 9 is provided with an induced draft fan 11 and a first gas Concentration sensor 12. By installing an exhaust device and installing a gas scrubber 10 in the exhaust device, the phosphine gas after the fumigation can be quickly discharged, so that the gas inside the granary 1 reaches a safe range, and the discharged phosphine gas is purified at the same time Emission to avoid the hazards of highly toxic gases to the human body and the environment, and the first gas concentration sensor 12 monitors the discharged gas in real time to reach the safety emission index, which solves the danger caused by the natural emission of phosphine gas after the existing grain fumigation High degree of problems.

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Abstract

The invention provides a grain fumigating device for reducing insecticidal gas residues. The grain fumigating device comprises an insecticidal gas generator located outside a granary, wherein an uppergrain storage chamber and a lower ventilation chamber which are arranged up and down are arranged in the granary, wherein the insecticidal gas generator is connected with the grain storage chamber; amesh plate is arranged between the grain storage chamber and the ventilation chamber; a filter screen is laid on the mesh plate; the pore size of the filter mesh is not greater than the grain size ofthe grain; an air inlet mechanism communicating with the outside of the granary is arranged on the ventilation chamber; a plurality of fans are arranged in the ventilation chamber; and an air-exhausting device communicating with the outside of the granary is also arranged at the upper part of the granary. The problems that in the prior art, phosphine gas is difficult to exhaust through natural venting after grain fumigation, and the residence time of the phosphine gas is long, so that the environment and human bodies are damaged, are solved.

Description

Technical field [0001] The invention relates to the technical field of grain storage equipment, in particular to a grain fumigation device that reduces insecticidal gas residues. Background technique [0002] In the process of grain storage, affected by a variety of factors, stored grain pests often occur. The annual loss caused by grain mildew and pests accounts for a large proportion. If these stored pests are not effectively controlled and killed, it will not only cause The massive loss of stored grain will also seriously affect the quality of stored grain and cause great harm. Therefore, in the process of grain storage, effective control and killing of stored grain pests must be carried out. [0003] At present, the main method for preventing and controlling stored-grain pests is to use chemical fumigation to fumigate and kill pests. Chemical fumigation is a technology that uses chemical fumigants to kill stored-grain pests and germs in a closed grain storage warehouse. Annih...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23B9/18A01M17/00
CPCA01M17/008A23B9/18
Inventor 赵峰
Owner ZHENGZHOU LONGWEI ELECTRONICS TECH CO LTD
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