稀释尾气用挥发性粒子去除装置

By combining a Venturi gas flow meter and an ejector mixer with a temperature control device, the efficient removal of volatile particles from the diluted exhaust gas was achieved, solving the accuracy and reliability problems of the dilution channel in the existing technology and improving the accuracy of emission measurement.

CN224515256UActive Publication Date: 2026-07-17SHANGHAI XINQIAN TECHNOLOGY CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHANGHAI XINQIAN TECHNOLOGY CO LTD
Filing Date
2025-09-29
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Existing technologies lack dedicated particulate matter removal devices for dilution channels, making it difficult to achieve high-precision removal of diluted and volatile particulate matter, thus affecting the accuracy of emission measurements.

Method used

Using a Venturi gas flow meter and an ejector mixer, combined with temperature control equipment, the sample gas is extracted using the ejector principle through a cyclone separator and a conical cap to remove volatile particles.

Benefits of technology

It improves the accuracy of dilution ratio calculation, simplifies system structure, enhances system reliability, and ensures the accuracy of exhaust particle number measurement.

✦ Generated by Eureka AI based on patent content.

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Abstract

本实用新型涉及一种稀释尾气用挥发性粒子去除装置,包括:采样头,与所述采样头连通的文丘里气体流量计,所述文丘里气体流量计与一蒸发管的样气输送通道连通,与所述样气输送通道连通的引射混合器,与所述引射混合器连通的混合管;所述蒸发管还包括设置在所述样气输送通道外围的温度控制设备;所述引射混合器与一流量计连通,所述流量计与所述引射混合器之间设置有流量控制阀;所述混合管具有一出口,所述混合管上还设置有一粒子计数器采样管与所述混合管连通。本实用新型可以提高稀释比计算精度,简化系统,提高系统可靠性。
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