Portable micron-sized water-based sediment sampling cup

• Main Authors: LIU DONGSHENG, YANG FAN, NIE LANSHI, HE LING, ZENG DAOMING, CHEN YUANYUAN
• Format: Patent
• Language: Chinese; English
• Published: 04.07.2023
• Subjects: INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES; MEASURING; PHYSICS; TESTING

The invention relates to the technical field of micron-sized water-based sediment sampling, in particular to a portable micron-sized water-based sediment sampling cup which comprises a filtering unit and a water pumping unit, the filtering unit is placed at the top of the water pumping unit, and the filtering unit and the water pumping unit are tightly fixed through a fastener; the filtering unit comprises a 20-mesh sieve, a 160-mesh sieve, PM10 conical filter paper and a conical funnel which are sequentially stacked from top to bottom, the water pumping unit comprises a bottle body, a partition plate is arranged in the middle of the bottle body and divides the bottle body into a vacuum bottle and a pump bottle, a vacuum pump is installed in the pump bottle, an air inlet of the vacuum pump is connected with a front air guide pipe, and an air outlet of the front air guide pipe is connected with an air outlet of the vacuum pump. The front air guide pipe penetrates through the partition plate to enter the vacuum