Underwater fixed horizon sampling device and method
A sampling device, groundwater technology, applied in the direction of sampling device, etc., can solve the problems of inability to obtain water quality samples, intensifying the mixing of water samples from different aquifers, and failing to reflect the water quality of aquifers well, and achieves improved work efficiency and high scientific value, the effect of improving the level of research equipment
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[0016] The main difference of the groundwater fixed layer sampling device provided by the present invention is that it has an upper level water pump and a lower level water pump, which can well prevent the water bodies of the upper and lower levels from mixing with the water bodies of the designated aquifer, so the sampling accuracy is very high , Wider scope of application. The specific structure is as figure 1 As shown, it mainly includes a support system, an operation control system, an online monitoring and control device, a data acquisition system 10 , an upper level water pump 17 , a sampling pump 18 and a lower level water pump 19 . The support system includes two system support frames 1, 3 and system support rods, the two system support frames 1, 3 are respectively arranged on both sides of the water well to support the system support rods, the support system can be the whole system Provide stable support to bear the load of each pump. The water pump power supply dev...
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