US 12,146,817 B2
Micro-zone soil sampling apparatus and method for different contamination situations
Baolan Hu, Hangzhou (CN); Meng Zhou, Hangzhou (CN); Wenda Chen, Hangzhou (CN); and Jiaqi Wang, Hangzhou (CN)
Assigned to Zhejiang University, Hangzhou (CN)
Filed by Zhejiang University, Hangzhou (CN)
Filed on Dec. 27, 2022, as Appl. No. 18/146,792.
Application 18/146,792 is a continuation of application No. PCT/CN2020/122172, filed on Oct. 20, 2020.
Claims priority of application No. 202010601576.9 (CN), filed on Jun. 28, 2020.
Prior Publication US 2023/0160786 A1, May 25, 2023
Int. Cl. G01N 1/00 (2006.01); G01N 1/08 (2006.01); G01N 1/28 (2006.01); G01N 33/24 (2006.01)
CPC G01N 1/08 (2013.01) [G01N 33/24 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A micro-zone soil sampling apparatus, comprising:
an uncovered cylinder; and
a plurality of circular separators;
wherein the plurality of circular separators are vertically arranged in a hollow inner cavity of the uncovered cylinder, and are removably connected to an inner wall of the uncovered cylinder; a connection between an outer circumference of each of the plurality of circular separators and an inner wall of the uncovered cylinder is sealed; and adjacent two circular separators are stacked;
each of the plurality of circular separators comprises a plurality of inner rings, an outer ring, and a soil-bearing net; the plurality of inner rings are arranged coaxially; the outer ring is coaxially arranged outside the plurality of inner rings; the plurality of inner rings and the outer ring are arranged evenly spaced apart; each of the plurality of circular separators is divided into a plurality of circular hollow spaces by the plurality of inner rings and the outer ring; the plurality of inner rings and the outer ring both have a certain thickness; the plurality of inner rings are made of a permeable membrane material, and the outer ring is made of a rigid material; the soil-bearing net is fittedly fixed on bottom of each of the plurality of circular separators, and is configured to bear a micro-zone soil sample; and a plurality of spokes passing through a center of the soil-bearing net are fixedly arranged on bottom of the soil-bearing net.