一种提取土样水分的装置

Apparatus for extracting soil sample moisture

Abstract

The utility model discloses an apparatus for extracting soil sample moisture, comprising a water bath heating device, a flask, a barometer, an air inlet tube, an air outlet tube, a frosted glass plug, a test tube, a container containing liquid nitrogen and a vacuum pump, the apparatus is characterized in that: a water bath heating device is provided in the lower part of the flask containing soil, the glass tube is inserted into the bottleneck, the other end of the glass tube is connected to the air inlet tube by the barometer, the other end of the air inlet tube penetrates the frosted glass plug of the test tube, and is inserted into the test tube, one end of the air outlet tube penetrates the frosted glass plug of the test tube and is inserted into the test tube, the other end is connected to the vacuum pump, the test tube is placed in the container containing liquid nitrogen, the orifice of the air inlet tube in the tube is higher than that of the air outlet tube, the diameter range of the test tube is 3-4 cm, the diameters of the air inlet tube and the air outlet tube are the same, the ratio of the air inlet/outlet tube diameter to the test tube diameter is 1: 4, vacuum ester is used in every connecting place to perform the sealing, the water bath heating device, the flask, the container containing liquid nitrogen and the test tube are fixed through supports.
本实用新型公开了一种提取土样水分的装置,由水浴加热装置、烧瓶、气压计、进气管、出气管、磨砂玻璃塞、试管、盛液氮的容器和真空泵组成,其特征是:盛土的烧瓶下部设置水浴加热装置,瓶口插入玻璃管,玻璃管另一端通过气压计连接进气管,进气管另一端穿过试管的磨砂玻璃塞,插入试管,出气管一端穿过试管的磨砂玻璃塞插入试管另一端,连接真空泵,试管置于盛液氮的容器中,试管中的进气管的管口高于出气管的管口,试管的直径范围为3-4cm,进气管与出气管的直径相同,与试管的直径比例为1∶4,各个连接处使用真空酯进行密封,水浴加热装置、烧瓶、盛液氮的容器以及试管通过支架固定。

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    CN-101934157-AJanuary 05, 2011河海大学一种提取土样水分的装置与方法