Large-particle aerosol generator

The integrated design of the large-particle aerosol generator solves the problems of fragmented structure and inconvenient operation and maintenance of existing equipment, and realizes high-precision aerosol generation and convenient operation, which is suitable for filter testing and environmental simulation.

CN224541693UActive Publication Date: 2026-07-24SHANGHAI MUFAN AUTOMOTIVE TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHANGHAI MUFAN AUTOMOTIVE TECH CO LTD
Filing Date
2025-09-02
Publication Date
2026-07-24

AI Technical Summary

Technical Problem

Existing large particle aerosol equipment has a fragmented structure, low integration, and is inconvenient to operate and maintain, making it difficult to meet the needs of high-precision and high-efficiency experiments.

Method used

An integrated large-particle aerosol generator has been designed, including a movable frame, a tank, atomizing nozzles, a metering pump, a pressure regulating valve, a float flow meter, a gas filter, a neutralizer, and a heater. Through the synergistic effect of these components, precise control of aerosol particle size and concentration can be achieved, making it suitable for filter testing and environmental simulation.

Benefits of technology

It achieves high-precision control of aerosol particle size of 0.1-10μm and concentration stability error ≤±2%. The equipment has a compact structure, is easy to operate, and is suitable for filter testing and environmental simulation. It complies with standards such as ANSI/ASHRAE52.2 and GB/T14295.

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Abstract

The utility model discloses a kind of large particle aerosol generators, including movable frame, tank, atomizing nozzle, metering pump, pressure regulating valve, float flowmeter, gas filter, neutralizer, heater, generation outlet and liquid discharge port.Tank is installed in movable frame, atomizing nozzle connects tank top and is connected with metering pump;Pressure regulating valve, float flowmeter, gas filter, neutralizer are sequentially connected, and neutralizer gas outlet is communicated with tank first air inlet;Heater connects tank side wall;Generation outlet and liquid discharge port are respectively arranged in tank and bottom.The equipment is integrated design, realizes 0-6bar pressure stable operation, accurately controls aerosol particle size and concentration, is suitable for filter detection, environmental simulation and the like scene, and operation and maintenance are convenient.
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