Efficient degassing detection system suitable for high-pressure seawater underwater operation
An underwater operation and detection system technology, which is applied in radiation measurement, degassed water/sewage treatment, and measurement devices, etc., can solve the problems of large radon measuring cabin and hidden dangers of damage to the radon measuring instrument, and improve the measurement efficiency. The effect of high accuracy, high reliability, and high spatial resolution
Pending Publication Date: 2022-08-02
OCEAN UNIV OF CHINA
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Problems solved by technology
Although this method realizes the efficient degassing of seawater, because there are many links involved in the process, it also adds a lot of devices to the radon measuring instrument, resulting in a large cabin volume of the high-efficiency degassing and radon measuring all-in-one machine. There is a safety hazard of damaging the radon detector due to excessive pressure
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[0036] The embodiments of the present invention will be described in further detail below with reference to the accompanying drawings and examples. The following examples are intended to illustrate the present invention, but not to limit the scope of the present invention.
[0037]In the description of the present invention, unless otherwise stated, "plurality" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer" The orientation or positional relationship indicated by , "front end", "rear end", "head", "tail", etc. are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, not Indication or implication that the referred device or element must have a particular orientation, be constructed and operate in a particular orientation, is not to be construed as a limitation of the invention. Furthermore, the terms "first," "second," "th...
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An efficient degassing detection system suitable for high-pressure seawater underwater operation comprises a degassing subsystem and a gas detection subsystem, the degassing subsystem comprises first shell equipment, a liquid feeding pipe, a degassing assembly and a booster water pump, the degassing assembly comprises a degassing pipe, and a degassing film is arranged in the degassing pipe; the gas detection subsystem comprises second shell equipment, a detection chamber is arranged in the second shell equipment, a PI C radon probe is arranged in the detection chamber and used for detecting the content of radon in the gas, the detection chamber is provided with a detection inlet and a detection outlet, the detection inlet is connected with the gas supply branch, and the detection outlet is used for detecting exhaust of the gas in the chamber. The device has high degassing efficiency, truly solves the key technology restricting dissolved gas detection, improves the overall measurement accuracy of the system, realizes degassing of high-pressure seawater which is 100 meters or shallower underwater, can realize continuous data measurement of 100 meters underwater after being put into use, and can obtain data with higher spatial resolution.
Description
technical field [0001] The invention relates to the technical field of seawater degassing gas detection and analysis, more particularly, to a high-efficiency degassing detection system suitable for high-pressure seawater underwater operations. Background technique [0002] Radon (Rn) in the ocean is a biologically inert radioactive gas. It is a classical nuclide used to study oceanic processes such as air-sea exchange. . However, the concentration of dissolved radon gas in the ocean is extremely low, about 200Bq / m 3 , and as a radioactive gas, its half-life is only 3.83 days. These characteristics of dissolved radon in the ocean have brought a series of problems to the measurement. The first and most prominent is the problem of efficient underwater degassing. The second is that the deeper the water depth, the greater the water pressure. When the depth of 100 meters is reached, the pressure can reach 1MPa. Due to the high pressure in the deep water, the protection of the in...
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Login to View More IPC IPC(8): G01N33/00G01T1/167C02F1/20
CPCG01N33/0055G01T1/167C02F1/20
Inventor 郭金家李萌杨童许博超赵世彬李春乾
Owner OCEAN UNIV OF CHINA