Patent ID: 8578797
Filing Date: 2013-11-12
Classification: E02D,G01N

Abstract:
1. A multi-section sediment pore water sampler, comprising a plurality of sampling units arranged along the axis thereof in a straight line and separated with each other, a main spindle having one and other ends and including a threaded rod for supporting the sampling units, a pyramid mounted at the one end of the main spindle to enable the main spindle to be stabbed into a layer, the pyramid having a stopping tray, said threaded rod extending to the other end of the main spindle, and a locking nut mounted at the other end of the main spindle on the threaded rod for securing the sampling units between the stopping tray and nut, wherein the sampling units are mounted in order on the main spindle and further comprising a ring disposed adjacent to the locking nut mounted on the threaded rod wherein each sampling unit comprises a center ring which is sheathed by an adsorption film, a filtering membrane and a porous protection pipe from inside to outside, the center ring being provided with a separation tray, a pipe protection tray, a column, a positioning groove in the column on the side of the separation tray, a positioning ring on the opposite side of the column matched with the positioning groove of an adjacent sampling unit, and a nozzle therein.