Compound apparatus for fumigant

A fumigant and steel cylinder technology, applied in the field of fumigation, can solve the problems of insufficient mixing, component deviation of compound fumigant, difficulty in research and development of compound fumigant, etc., and achieve the effect of convenient sampling and convenient research.

Active Publication Date: 2009-05-13
CHINESE ACAD OF INSPECTION & QUARANTINE +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For example, Liu Xiaozhen and others studied the disinfection, insecticide and rodent control effects of sulfuryl fluoride and methyl bromide in the container, but they could not use this method to determine the compound formula of the two fumigants (Chinese Journal of Vector Biology and Control, 2005 February, Volume 16, Issue 1, p19~20)
Due to the different molecular weights o

Method used

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  • Compound apparatus for fumigant

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0014] Example 1

[0015] See figure 1 . An air inlet 5 is drilled in the center of the top of a long cylindrical steel cylinder made of stainless steel that can withstand 2.0Mpa, and an air inlet valve 4 is welded and installed at the air inlet, and holes are drilled on both sides of the air inlet valve. A vacuum gauge 1 and a pressure gauge 2 are installed. The vacuum gauge head of the vacuum gauge and the pipe connecting the pressure gauge head of the pressure gauge to the steel cylinder are respectively provided with needle valves 3; on the upper, middle and lower parts of the cylinder body respectively Needle-shaped valves 6 are installed by drilling and welding. The gas outlets of the three needle-shaped valves on the cylinder body are further connected with latex tubes 7 and used as sampling ports for the compound fumigant.

[0016] Use the fumigant compounding device of the present invention to perform the compounding process of the fumigant: open the needle valve 3 of the...

Example Embodiment

[0017] Example 2

[0018] The structure of the device is the same as in Example 1, except that the three needle valves installed in the middle, upper and lower parts of the cylinder body are located in the middle of the cylinder body, the middle part between the middle part of the cylinder body and the top of the cylinder body, The middle part between the middle of the cylinder body and the bottom of the cylinder body.

[0019] Using this device can better determine the percentage content of the different components in the liquid and gas phase of the fumigant compounded in the steel cylinder and the uniformity of the up and down mixing in the bottle.

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Abstract

The invention belongs to the technical field of fumigation, and particularly relates to a fumigant compounding device used for preparing compounded fumigant. The fumigant compounding device provided by the invention is characterized in that an air inlet is formed at the top part of a steel bottle in the shape of a long column; an air-inlet valve is mounted at the air inlet; a vacuum meter and a manometer are mounted in drill-holes on two sides of the air-inlet valve respectively; needle valves are arranged on pipelines through which the vacuum meter head of the vacuum meter and the manometer head of the manometer are connected with the steel bottle; needle valves are mounted in drill-holes at the upper, the middle and the lower parts of the bottle body of the steel bottle; and the air outlets of the needle valves in the three positions on the bottle body of the steel bottle are taken as sampling ports for compounding fumigant. When being used for experimental research, the fumigant compounding device provided by the invention can ensure the convenience of sample despite of larger pressure, and is timesaving and safe.

Description

technical field [0001] The invention belongs to the technical field of fumigation, in particular to a compounding device for fumigants used in preparing compound fumigants. Background technique [0002] The currently used fumigants mainly include methyl bromide, ethylene oxide, sulfuryl fluoride, and phosphine. The development of a new fumigant will be very expensive in terms of time and capital investment, and there is a relatively high risk. In addition, single-component fumigants often cannot meet the requirements of production practice. For example, sulfuryl fluoride has good penetrability, kills adults, larvae and rodents of insects, and has low residues. It is a good fumigation agent, but the effect of killing insect eggs is poor, and it has no bactericidal effect. Combining fumigants with different functions or drugs containing other ingredients to give full play to their respective strengths can better serve many aspects such as quarantine treatment, food preservati...

Claims

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Application Information

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IPC IPC(8): B01F13/00B01F15/04B01F3/02B01F3/04B01F23/10
Inventor 张顺合王林李金有慈颖
Owner CHINESE ACAD OF INSPECTION & QUARANTINE
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