The invention discloses a deepwater fixed-point stratified sampling method for a water conservancy project. The method comprises the following steps that two ship bodies are arranged on the water surface of a specified sampling point side by side in the width direction left and right; a vertical lowering guide device and a plurality of sampling boxes are arranged on the two ship bodies; the movable part of the vertical lowering guide device is lowered to the position below the water surface in the vertical direction; the deepwater sampling device is submerged into the water surface along the interior of the movable part of the vertical lowering guide device; the deepwater sampling device is started to correspondingly pump water bodies with different depths into different sampling boxes. The two ship bodies are used as supports for water quality sampling on the water surface, stratified sampling is carried out on any depth of the water body, and the sampling depth accuracy is high. The method has high safety and reliability, and due to the arrangement of the supporting and positioning conical cylinder, what can be ensured is that the sampling pump is not lost any more after the sampling steel wire rope is separated from the sampling pump.
本发明公开了水利工程用深水定点分层取样方法,包括以下步骤:两艘船体在宽度方向上左右并排设置在指定取样点的水面上;在两艘船体上设置垂直下放导向装置和若干个取样箱;将垂直下放导向装置的活动部分沿垂直方向下放到水面下;将深水取样装置沿垂直下放导向装置的活动部分内部潜入到水面下;启动深水取样装置将不同深度的水体对应抽取到不同的取样箱内。本发明采用两个船体在水面上作为水质取样的支撑,对水体的任何深度进行分层取样,取样深度精确度高。本发明具有较高的安全可靠性,由于支撑定位锥筒的设置,在取样钢丝绳与取样泵分离后,也可确保取样泵不再会丢失。
Deepwater fixed-point stratified sampling method for water conservancy project
水利工程用深水定点分层取样方法
2021-09-07
Patent
Electronic Resource
Chinese
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