国外地下水监测采样设备综述

Review of Groundwater Monitoring Sampling Equipments in Foreign Countries

摘要:

国外地下水监测用采样设备大致分为4类：取样筒式采样器、惯性式采样器、气体驱动式采样器和潜水电泵式采样器。取样筒式采样器原理简单、制作方便、成本低，受监测井井径、采样深度影响较小；惯性式采样器外径小，可应用于小口径地下水监测井，采样深度可达到90 m；气体驱动式采样器结构较复杂，适用范围广，适用于大部分地下水监测井，采样效率较高。潜水电泵式采样器采样效率很高，适应井径较大。

Abstract:

The sampling equipment for groundwater monitoring is divided into bucket sampler, inertial sampler, gas-driven sampler and the submersible pump sampler in foreign countries. The bucket sampler has the features of simple technical principle, easy-making, low cost and wide application range and is less affected by the monitoring well diameter and the sampling depth; the inertial sampler has small diameter and can be used in small diameter monitoring well with sampling depth up to 90m; the gas-driven sampler has complex structure and wide application range, which is suitable for most groundwater monitoring wells with high efficiency; the submersible pump sampler is the most effective one in these four.