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Forced-dispersed quantitative aerosol release device and use method thereof

A technology of forced dispersion and release device, which is applied in the field of poisoning experiments, can solve the problems of poor poisoning effect, general atomization effect, and easy hanging of liquid medicine on the wall, etc. The effect of poison testing

Active Publication Date: 2019-12-20
SHANGHAI RES INST OF CHEM IND +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the device can be directly connected to the drug exposure cabinet to release the aerosol, the device atomizes the sample using the pressure of the aerosol tank itself, the atomization effect is average, and the atomized drug solution is easy to hang on the wall, causing subsequent infection. Poison effect is not good

Method used

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  • Forced-dispersed quantitative aerosol release device and use method thereof
  • Forced-dispersed quantitative aerosol release device and use method thereof
  • Forced-dispersed quantitative aerosol release device and use method thereof

Examples

Experimental program
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Effect test

Embodiment

[0031] Such as figure 1 As shown, a forced dispersed aerosol quantitative release device includes an aerosol can 9, the lower part of the aerosol can 9 is provided with a support unit, and the top of the aerosol can 9 is provided with a regulating valve unit for controlling the output of the aerosol can 9 , the regulating valve unit includes a valve body 5, a vaporization chamber 20 is arranged in the valve body 5, and an adjustable valve needle 7 is arranged in the vaporization chamber 20 for controlling the displacement of the aerosol, at the outlet of the valve body 5 An air distribution ring 3 is set, the valve body 5 is connected to the mixing exhaust pipe 1 through the air distribution ring 3, the air distribution ring 3 passes through the gas inlet pipe 2 into compressed gas, and the compressed gas and the vaporization chamber 20 of the valve body 5 come out After the aerosol is mixed, it is discharged from the mixing exhaust pipe 1 together, wherein the valve needle 7 ...

Embodiment 2

[0040] A forced dispersion type aerosol quantitative release device, which is basically the same as that of Embodiment 1, wherein the gas nozzles 15 are evenly and symmetrically arranged with the aerosol nozzle 16 as the center of the circle, and there are 6 gas nozzles in total.

Embodiment 3

[0042] A forced dispersion type aerosol quantitative release device is basically the same as that of Embodiment 1, wherein the gas nozzles 15 are uniformly and symmetrically arranged with the aerosol nozzle 16 as the center of the circle, and there are 10 gas nozzles in total.

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Abstract

The invention relates to a forced-dispersed quantitative aerosol release device and method, and the device comprises an aerosol can (9), wherein a support unit is provided at the lower part of the aerosol can (9), the top of the aerosol can is provided with a regulating valve unit for controlling discharging amount of the aerosol can (9), the regulating valve unit comprises a valve body (5), a vaporization chamber (20) is provided in the valve body, an adjustable valve needle (7) is provided in the vaporization chamber (20) for controlling the aerosol displacement, an air distribution ring (3)is provided at the outlet of the valve body (5), the valve body (5) is connected to a mixed exhaust pipe (1) through the air distribution ring (3), the compressed gas is introduced into the air distribution ring (3) through a gas inlet pipe (2), and the compressed gas is mixed with the aerosol from the vaporization chamber (20) of the valve body (5), and is then discharged from the mixed exhaustpipe (1) together. Compared with the prior art, the invention has good atomizing effect, is less prone to wall hanging of the medicinal solution, and has accurate measurement.

Description

technical field [0001] The invention relates to the technical field of poison exposure experiments, in particular to a forced dispersion aerosol quantitative release device and a use method thereof. Background technique [0002] The inhalation toxicity test is a routine method to evaluate whether the inhalable test sample can be absorbed through the respiratory tract and its toxicity. At present, there are two methods for testing aerosol inhalation toxicity: one is to use the static poisoning method. Experimental animals are placed in the poisoning chamber for exposure, and the atomized medicinal liquid will settle to the bottom of the chamber over time. In addition, affected by the animal's breathing, the concentration of the poisoning during the experiment is not uniform, and the accuracy of the experimental results is limited; in addition One method is to release and collect the aerosol drug solution into a liquid and then use a liquid aerosol generator to atomize the dr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N33/50G01F15/00G01F1/76B01F3/04
CPCG01N33/5014G01N33/5008G01F15/001G01F1/76B01F23/20Y02E30/30
Inventor 徐桐桐洪丽玲范宾张小沁
Owner SHANGHAI RES INST OF CHEM IND
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