An automatic pretreatment and integrity detection device for air sampling filter membrane

By designing an automatic pretreatment and integrity testing device for air sampling filter membranes, the entire process of filter membrane pretreatment was automated, solving the problems of high cost and easy damage of manual pretreatment, and improving the quality of pretreatment and the accuracy of integrity testing.

CN122409283APending Publication Date: 2026-07-17CHINA NAT ENVIRONMENTAL MONITORING CENT
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
CHINA NAT ENVIRONMENTAL MONITORING CENT
Filing Date
2026-05-15
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

The existing technology for artificial pretreatment of air sampling filter membranes has problems such as high cost, easy damage, short shelf life and inaccurate integrity testing. In particular, cellulose filter membranes have a high damage rate in ultrasonication and rinsing processes, and there is a lack of objective judgment standards for the filter membrane drying process.

Method used

An automated pretreatment and integrity testing device for air sampling filter membranes was designed, including a filter membrane supply component, a pretreatment component, and an integrity testing component. The device achieves automated cleaning, impregnation, drying, and integrity testing of the filter membranes through a linear transport module and a robot, covering key steps such as ultrasonic cleaning, rinsing, impregnation, and drying.

Benefits of technology

The entire process of filter membrane pretreatment has been automated, reducing reliance on manual labor and labor costs, improving the quality and stability of pretreatment, reducing the filter membrane breakage rate, and ensuring the accuracy and consistency of integrity testing.

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Abstract

The application relates to an automatic pretreatment and integrity detection device for air sampling filter membranes. It belongs to the technical field of air sampling filter membrane pretreatment equipment. The device comprises a filter membrane supply assembly, a filter membrane pretreatment assembly, a detection and boxing assembly, a linear conveying module for conveying the filter membranes to different work stations, and a conveying robot arranged on the sliding block of the linear conveying module. The application realizes automatic pretreatment of the filter membranes, covers the processes of cleaning, airing, detection and boxing, reduces the labor cost, solves the problems of short storage period of the filter membranes and the need for special personnel to prepare the filter membranes. Meanwhile, the standard operation reduces the damage of the filter membranes and the manual errors, improves the processing quality stability, is compatible with filter membranes of different specifications, and flexibly adapts to the batch pretreatment requirements of the laboratory.
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