Bubble flux collecting device for water-gas interface
A collection device and interface technology, which is applied in the field of bubble collection, can solve the problems of poor sampling accuracy, easy disassembly, loose reception of the collection device, etc., and achieve the effect of improving sampling accuracy and wind and wave resistance performance
Inactive Publication Date: 2020-09-29
CHINA INST OF WATER RESOURCES & HYDROPOWER RES
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Problems solved by technology
[0003] The purpose of the present invention is to provide a water-air interface bubble flux collection device, which solves the problem that the collection device in the prior art is loose and easy to disassemble, and the sampling accuracy is poor under wind and wave conditions
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[0028] In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following will describe in detail with reference to the drawings and specific embodiments.
[0029] The present invention aims at the problem that the acquisition device in the prior art is loose and easy to disassemble, and the sampling accuracy is poor under wind and wave conditions, and provides a water-air interface bubble flux acquisition device. By setting a support body that can be suspended on the horizontal surface, The bubble flux collection device can be placed on the water surface sampling point for bubble flux collection; and the exhaust end of the gas collection hood is sealed and connected with the mouth of the gas collection bottle through the water stop system, the air inlet pipe, and the gas collection is ensured. The isolation between the bottle and the air increases the sampling accuracy; at the same time, the center of gravit...
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The invention provides a bubble flux collecting device for a water-gas interface. The collecting device comprises a support body, a gas collecting bottle, a gas collecting hood, a gas inlet pipe and awater discharging pipe, wherein the support body can suspend on a horizontal plane; the gas collecting bottle is arranged above the horizontal plane, and a bottle opening of the gas collecting bottlefaces the horizontal plane; the gas collecting hood is arranged below the horizontal plane; the gas inlet pipe and the water discharging pipe are hermetically connected with the bottle opening of thegas collecting bottle; the first end of the gas inlet pipe is connected with the bottle opening of the gas collecting bottle, the second end of the gas inlet pipe is connected with the gas discharging end of the gas collecting hood through a water stopping system, and the gas inlet end of the gas collecting hood is connected with the second end of the support body. In the bubble flux collecting process, gas released by water in the gas collecting hood enters the gas inlet pipe through the water stopping system and enters the gas collecting bottle through the gas inlet pipe, and water in the gas collecting bottle is discharged from the water discharging pipe, so that the gas collecting bottle is enabled to be filled with the gas released by the water. The collecting device is suitable forbubble flux collection in environments with heavy stormy waves and water depth.
Description
technical field [0001] The invention relates to the technical field of bubble collection. Background technique [0002] Eutrophic water bodies are generally considered to be an important source of greenhouse gas release, such as carbon dioxide CO 2 , methane CH 4 , nitrous oxide N 2 O. In the context of the current eutrophication of water bodies and global warming, people are paying more and more attention to changes in the intensity of greenhouse gas release in water bodies. For example, the nitrification-denitrification reaction in eutrophic water body is one of the important ways to denitrify the water body, and the intermediate gaseous product of nitrification-denitrification reaction, N 2 O and the final gaseous product nitrogen N 2 The release of is concerned, but the part released by bubble diffusion is more difficult to monitor. How to Collect Nitrous Oxide N 2 O, Nitrogen N 2 , methane CH 4 The air bubble flux released from the water body to the atmosphere ...
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IPC IPC(8): G01N1/22G01N33/00
CPCG01N1/2247G01N33/00G01N2001/2267
Inventor 胡明明王启文王雨春万晓红汪国骏李艳晖梁顺田叶振亚高继军黄钰铃
Owner CHINA INST OF WATER RESOURCES & HYDROPOWER RES