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Hot fogging concentrate formula for killing pests stored in empty granary and preparation method of hot fogging concentrate formula

A thermal spray and granary technology, applied in botany equipment and methods, insecticides, biocides, etc., can solve the problems of grain odor, sensory quality, easy residual odor, and large residual odor in granaries, etc., to reduce odor Pollution, the effect of reducing odor pollution

Inactive Publication Date: 2020-09-22
GUANGDONG GRAIN SCI INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For forestry and sanitation pest control, the general thermal spray formula uses petroleum processing distillate as a solvent to form a thermal spray, which will leave a large smell in the granary after use, which is easy to produce odors and other adverse effects on the sensory quality of the subsequent storage of grain
Therefore, there is the problem of residual odor easily in the hot fog agent in the prior art

Method used

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  • Hot fogging concentrate formula for killing pests stored in empty granary and preparation method of hot fogging concentrate formula

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Thermal mist formulation for pest control of grain in vacant grain storage such as figure 1 Shown, comprise following composition by mass percent: insecticide 2%, emulsifier 0.5%, solubilizer 1%, solvent 96% and stabilizer 0.5%, insecticide is permethrin, emulsifier is TWEEN80, enhancer The solvent is acetone, the solvent is a polyol solvent, and the stabilizer is sorbitol.

[0027] The preparation method of the thermal fog agent used for killing grain pests in empty grain storages comprises the following steps:

[0028] S1. Weighing medicaments: weighing insecticide 1.5-2%, TWEEN800.5%, acetone 1%, polyol solvent 96-96.5% and sorbitol 0.5% by mass percentage;

[0029] S2. Mixing insecticide, acetone and TWEEN80: mixing and stirring the insecticide, acetone and TWEEN80 to obtain a medicament mixture;

[0030] S3. Mix polyol solvent and sorbitol: add polyol solvent and sorbitol to the drug mixture, heat to 60° C., stir and mix.

[0031] S4. Heat storage: store the med...

Embodiment 2

[0038] The thermal mist formula used for killing grain pests in vacant grain storages differs from Example 1 in that the insecticide is cypermethrin. The mass percent of insecticide is 1.5%, and the mass percent of solvent is 96.5%.

[0039] This embodiment has the following advantages:

[0040] It can meet the effective control of residual stored grain pests in empty granaries using the hot fog method, according to the volume of the granary at 1ml / m 3 Dosage use, after spraying hot mist and sealing the granary for 2 hours, it can effectively kill the stored grain pests in the empty granary; and, the biggest difference between using this hot mist product and the current common insecticidal hot mist products is that using this product to treat The final granary has no odor pollution, which can ensure the quality and safety of the subsequent stored grain.

[0041] In this embodiment, the mass percentage of the insecticide is 1.5%, and reducing the amount of the insecticide can...

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Abstract

The invention discloses a hot fogging concentrate formula for killing pests stored in empty granary and a preparation method of the hot fogging concentrate formula, belongs to the technical field of hot fogging agents, and solves the problem that odor is easy to remain. Technical key points are that: the hot fogging concentrate formula is prepared from components in percentage by mass as follows:1.5%-2% of an insecticide, 0.5% of an emulsifier, 1% of a solubilizer, 96%-96.5% of a solvent and 0.5% of a stabilizer, the emulsifier is TWEEN80, the solubilizer is acetone, the solvent is a polyol solvent, and the stabilizer is sorbitol. Grain storage pests in the vacant granary can be effectively killed, the granary treated by the product is free of any peculiar smell pollution, and the qualitysafety of subsequent stored grains can be guaranteed.

Description

technical field [0001] The invention relates to the technical field of thermal mist, in particular to a formula of thermal mist for killing grain pests in vacant grain storage and a preparation method thereof. Background technique [0002] In the process of grain storage, pests will be introduced in many links, which will damage the stored grain and bring economic losses to the grain storage. When the front of the granary is left empty, residual pests may remain and become a source of insects, causing damage to the subsequent storage of grain. Therefore, using various pest control methods to kill the pests that may exist in the empty granary is an important aspect to ensure the safe storage of grain. [0003] The hot fog method is to use the hot fog agent with insecticidal effect to generate high-speed airflow through the jet engine, and use the Venturi tube principle to atomize the agent to form droplets (hot aerosol) with a diameter of 1 to 10 microns. It has good penetr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N25/06A01N25/22A01N25/30A01N53/08A01P7/04
CPCA01N25/06A01N25/22A01N25/30A01N53/00
Inventor 李文辉荣晓东
Owner GUANGDONG GRAIN SCI INST