Water-sealed automatic bottoming type contaminated sediment columnar sampler

• Main Authors: JIANG XIAOYI, XU XIAOJIE, JIN HUAHUI, TAN LEI, LI HONGWEN, CHEN XING, TANG DEYI, GE GUOCHANG, YU FEI, XIONG ZHIFU, LAI SHENG
• Format: Patent
• Language: Chinese; English
• Published: 09.01.2018
• Subjects: INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES; MEASURING; PHYSICS; TESTING

The invention relates to a water-sealed automatic bottoming type contaminated sediment columnar sampler. The water-sealed automatic bottoming type contaminated sediment columnar sampler comprises a sampling pipe, wherein the upper part of the sampling pipe is connected with a water sealing device; the lower part of the sampling pipe is connected with a pipe opening self-closing device; the water sealing device comprises a stainless steel cavity connected with the sampling pipe; a hollow triangular column and a hygrophilous turning plate hinge are arranged at the upper part of the stainless steel cavity; a hygrophilous self-closing floating piece is arranged at the lower part of the stainless steel cavity; the upper part of the hollow triangular column is connected with a drill rod; a pipestoreroom self-closing device comprises a slidable sleeve which is arranged at the outer part of the sampling pipe; hinges are arranged at two sides of the slidable sleeve; a spring self-closing hingeis arranged under the sli