Deep sea layered air-tight water sampling system
A water-collecting and air-tight technology, applied in the direction of sampling devices, etc., can solve the problems of gas escape loss, analysis data cannot truly reflect the composition information of in-situ gas components, etc.
Inactive Publication Date: 2009-04-22
ZHEJIANG UNIV
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Problems solved by technology
When the water sampler collects water samples in the deep sea and recovers them from a high-pressure and low-temperature environment of several thousand meters to a normal temperature and pressure environment, the solubility of gases in seawater will change due to changes in temperature and pressure, and some gases may be due to Escape loss due to supersaturation, so that the analytical data cannot truly reflect the composition information of the in-situ gas
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[0012] see figure 1 , the deep-sea layered airtight water harvesting system of the present invention includes a water control system and an underwater water harvesting system, the water control system includes a computer terminal 1 and a deck unit 2 for power supply and data connection, two on the computer terminal 1 The two serial ports are respectively connected to the two serial ports on the deck unit 2 through two serial lines, and the underwater water collection system includes a frame 3, a release device 4, an underwater control unit 5, a circular array of water collection bottles 6, and a temperature, salt and depth sensor unit 7 And the underwater power supply and data interface unit 8, the release device 4 and the underwater control unit 5 are fixed at the center of the frame 3, and the circular array of water collection bottles 6 is fixed on the frame 3 around the release device 4 and the underwater control unit 5. The depth sensor unit 7 and the underwater power sup...
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The invention discloses a deep-sea stratified airtight water sampling system. The system comprises a waterborne control system and an underwater water sampling system. The waterborne control system comprises a computer terminal and a deck unit connected with the computer terminal, an the underwater water sampling system comprises a frame, a release device, an underwater control unit, an annular water sampling bottle array, a conductivity-temperature-depth sensor unit, an underwater power supply and a data interface unit. The deep-sea stratified airtight water sampling system can help quickly take sea water samples, remains all gas components in the samples, and supply the sea water samples which can really reflect composition information of in-situ gas for the deep-sea gas research. The deep-sea stratified airtight water sampling system provides important indexes for pursuing the process and the mechanism of marine physical change, marine chemical change and marine biological change, and for the search of resources such as volcanogenic massive sulfide ore deposits, gas hydrates and the like.
Description
technical field [0001] The invention relates to a deep sea water collection system, in particular to a system for collecting water samples of different water layers in the deep sea and realizing airtight sampling. Background technique [0002] The study of deep sea gas has important scientific and practical significance. On the one hand, deep-sea gases play a key role in the gas biogeochemical cycle that affects global climate change, and its research can provide insights into the processes and mechanisms of ocean physical, chemical, and biological changes and predict changes in the global climate environment. Valuable information. On the other hand, the abnormal distribution of deep-sea gas is also an important indicator for exploring resources such as hydrothermal sulfide and natural gas hydrate. Therefore, collecting airtight seawater samples in the vertical section of the entire ocean can provide reliable and continuous raw data for deep-sea gas research. [0003] Exi...
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IPC IPC(8): G01N1/16
Inventor 杨灿军黄豪彩陈道华周丽娟杨群慧牛文达刘广虎王虎季福武周怀阳陈鹰
Owner ZHEJIANG UNIV