A water vapor recirculation ratio measuring system and its measuring method
A measurement system and recycling technology, applied in the field of experimental instruments, can solve the problems of large isotope errors in calculation, inability to sample gas, inability to monitor the temperature and humidity of containers in real time, etc., and achieve the effect of reducing errors.
Active Publication Date: 2022-01-25
INST OF GEOLOGY & GEOPHYSICS CHINESE ACAD OF SCI
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Problems solved by technology
[0004] In view of the above situation, in order to overcome the defects of the prior art, the present invention provides an instrument for measuring the water vapor recirculation ratio in the laboratory, which effectively solves the problem that the relevant experiments in the laboratory all use open containers, and the temperature and humidity in the container cannot be measured. Real-time monitoring, and the gas cannot be sampled, so that the error caused by the calculation of isotopes is large
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Embodiment 2
[0101] Embodiment 2, on the basis of Embodiment 1, valves are installed at one end of the first gas injection pipe 2 and one end of the second gas injection pipe 6 to ensure the sealing performance of the main body 1 .
Embodiment 3
[0102] Embodiment 3, on the basis of Embodiment 1, a scale meter 10 is installed on the front outer wall of the instrument main body 1, a slide rail 11 is fixedly installed on the back of the instrument main body 1, and a laser instrument 12 is slidably installed inside the slide rail 11, and the laser The meter 12 and the scale meter 10 are arranged symmetrically, which is convenient for the staff to observe the water level inside the instrument main body 1 .
Embodiment 4
[0103] Embodiment four, on the basis of embodiment one, the bottom end of instrument loam cake 13 is fixedly installed with environmental monitor 14, and the top of instrument loam cake 13 is provided with through hole, and the inside of through hole is equipped with glove box 15, is convenient to pass through. The environmental monitor 14 monitors the environmental data in the main body 1 of the instrument.
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The invention belongs to the technical field of experimental instruments, and specifically relates to a water vapor recirculation ratio measurement system and a measurement method thereof. The recirculation ratio measurement system includes: used for simulating the water vapor recirculation process and quantitatively calculating the recirculation ratio to clarify evaporation and transpiration Divided analog unit; used to realize the internal vacuum state of the system, avoid the exchange of water vapor with the outside world, and improve the reliability of the experiment. The auxiliary unit used to collect the simulated data in the simulated unit in real time, and realize the determination of the water vapor recirculation ratio through computer visualization acquisition and analysis unit. The system of the present invention forms a closed simulation container, which can monitor the temperature and humidity in the container in real time during the experiment, and at the same time, can sample and process the gas, soil water and plant water in the container to obtain relevant data, which can be calculated by the water vapor recirculation ratio The method measures the water vapor recirculation ratio, realizes the quantitative calculation of the water vapor recirculation ratio at the laboratory scale, and greatly reduces the error caused by the calculation of isotopes.
Description
technical field [0001] The invention belongs to the technical field of experimental instruments, in particular to a water vapor recirculation ratio measuring system and a measuring method suitable for laboratories. Background technique [0002] The water vapor cycle is an important part of the water cycle. Evaporation and transpiration under the regional background together produce evapotranspiration water vapor, which is an important part of atmospheric water vapor; part of the local water vapor mixes with external water vapor to form precipitation and then falls back to the local area. This process is usually is called "water vapor recirculation", and the contribution of local water vapor to local precipitation is called "water vapor recirculation ratio". At present, the quantification of recirculation ratio only divides precipitation into two parts: local water vapor and external water vapor, and There are problems such as the unknown error between the calculated recircul...
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IPC IPC(8): G01N7/00
CPCG01N7/00
Inventor 张原浩孔彦龙王珂潘晟任亚倩
Owner INST OF GEOLOGY & GEOPHYSICS CHINESE ACAD OF SCI