Company Filing History:
Years Active: 2023-2025
Title: Innovations by Jianmin Chen in Atmospheric Measurement Technologies
Introduction
Jianmin Chen is a notable inventor based in Shanghai, China. He has made significant contributions to the field of atmospheric measurement technologies, particularly in the development of innovative apparatuses for analyzing nitrogen-containing organic components in the atmosphere. With a total of 2 patents, his work is pivotal in enhancing air quality monitoring and health risk assessments.
Latest Patents
One of Jianmin Chen's latest patents is a semi-online analytical apparatus for measuring atmospheric trace nitrogen-containing organic components. This advanced apparatus includes a collision-type PM filter, a resistive heating rod with a temperature sensor, a sealed water tank, a condensation system, a virtual concentrator, a flow controller, a vacuum pump, a particulate matter collection bottle, dimethylacetamide reagent, an ultrasonic bath, a fraction automatic supply/collect integrated pump, a vacuum parallel concentrator, a micro-injection pump, and a liquid chromatography-time-of-flight mass spectrometer. This innovative apparatus can replace traditional filter sampling for collecting particulate matter, significantly freeing up manpower, saving resources, and reducing organic loss in particulate matter. The collected sample solution is injected into the liquid chromatography-mass spectrometer for online analysis of organic components. By introducing an enrichment system, the concentration of sample particulate matter can be increased by at least 10 times, enhancing the sampling capability of the apparatus. This apparatus achieves full automation of particulate matter sampling and collection, making it widely applicable in air quality monitoring and health risk assessment.
Another significant invention by Jianmin Chen is a kind of online PM concentrated collection instrument. This instrument includes five parts: a PM cutting head, a water tank system, a virtual cropping system, a condenser circulation system, and an online concentrated collection system. The water tank system, connected with the PM cutting head, contains a water tank, an electrical heating rod, and a temperature-controlled digital display device. The virtual cropping system consists of a virtual cutter, a concentrated air vacuum pump, and a main air vacuum pump. The condenser circulation system circulates condensate to grow the saturated particles and contains a condensate circulation tube and a condensing machine. The online concentrated collection system includes a biological sampling bottle, a solenoid valve with a relay, an automatic distillate collector, and a computer subdivision constant-current pump. This instrument can concentrate real particulate matter samples by 7-10 times with high efficiency, providing technical
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