1results about How to "Avoid interlayer interference" patented technology

The utility model discloses a layered water taking device for monitoring well, including through the multiple packer base of elevator's down, and each packer base is connected through the pull rope axial connection and sets up the setting component and realizes the layered setting in the well, the sampling hole of setting layer mark is set up in the top of packer base, is equipped with annular cavity and the layer changing disc in the inside, and the through -hole is communicated with different sampling hole through waterproof motor drive layer changing disc rotation, and the specific layer deep water sample extraction is realized in cooperation hose, through modular layered structure and rotary layer changing component, realize single time downhole multistage precision sampling, avoid the interference between layers, improve sampling efficiency and data accuracy, have self -cleaning and corrosion -resistant characteristics simultaneously, adapt complex geologic environment, convenient operation and low maintenance cost.