Water sampler and water sampling method
A water collection device and water collection technology, applied in the direction of sampling devices, etc., can solve the problems of low water collection accuracy, high water extraction intensity, and slow water collection speed, and achieve small opening area, convenient water extraction, and easy lifting path short effect
Pending Publication Date: 2017-02-15
JINAN UNIVERSITY
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Problems solved by technology
[0003] The inventors have found that using the existing water harvester to sink the entire water harvester into the target water layer for water harvesting has a slow water harvesting speed, high water extraction intensity, and is easy to damage the equipment during the sinking process; In addition, due to the large area of the water intake, and the water sample can enter the water collector through the upper and lower movable covers, the accuracy of water collection is low
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[0016] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. The components of the embodiments of the invention generally described and illustrated in the figures herein may be arranged and designed in a variety of different configurations.
[0017] Accordingly, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art wi...
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The invention relates to a water sampler and a water sampling method, and belongs to the technical field of water sample collection. The water sampler comprises a body and a water sampling tube. A water sampling chamber is arranged in the body, and the water sampling tube is connected with the water sampling chamber at the bottom of the body. The top of the body is provided with a connecting valve, and the bottom of the body is provided with a water sampling valve used for opening and closing the water sampling tube. The water sampler has the advantages of simple structure, convenience in use, fast water sampling speed, high precision, low working intensity and long service life, and is suitable for industrial production. The water sampling method comprises the following steps: merging the water sampler in water, laying the end portion of one end of the water sampling tube far from the body down to a target water layer, and sequentially opening the water sampling valve and the connecting valve; and closing the connecting valve and the water sampling valve after the water sample of the target water layer automatically flows into the water sampling chamber along the water sampling tube, and pulling the water sampling device out of the water level. The method allows the target water sample to be simply, rapidly and accurately collected.
Description
technical field [0001] The invention relates to the technical field of water body sampling, in particular to a water sampling device and a water sampling method. Background technique [0002] Water body sampling is an important part of water environment protection and water environment scientific research. The collection of water samples at different depths, especially bottom water samples, has become the premise and basis of various water resources research work. In the operation of collecting water samples, a water sampling device is usually used for the water sampling operation. During the water sampling operation, sink the water collector into the target water layer to collect water, the upper and lower movable covers of the water collector will automatically open under the action of buoyancy, and the water samples around the upper and lower movable covers can flow into the sampling through the openings. The water device, after the water collection is completed, lifts t...
Claims
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Login to View More IPC IPC(8): G01N1/10
CPCG01N1/10
Inventor 彭亮刘志宏韩博平林秋奇
Owner JINAN UNIVERSITY