System and method for intelligently collecting gas in deep geothermal water
A technology of intelligent collection and geothermal water, which is applied in the direction of sampling, measuring devices, instruments, etc., can solve problems such as the inability to automatically separate dissolved gas from geothermal water, and achieve the effects of improving sampling efficiency, large economic value, and saving manpower
Pending Publication Date: 2022-03-08
CENT FOR HYDROGEOLOGY & ENVIRONMENTAL GEOLOGY CGS
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Problems solved by technology
[0016] The invention provides an intelligent collection system and method for gas in deep geothermal water, which is used to solve the problem that the groundwater gas capture device in the prior art requires manual manipulation by professionals and cannot automatically separate dissolved gas from geothermal water. Problems of Gas Separation and Capture in Geothermal Water Above 40°C
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[0034] 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. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0035] figure 1 Structural schematic diagram provided for the embodiment of the present invention, such as figure 1 The shown intelligent gas collection system in deep geothermal water includes: water sample pretreatment subsystem: 1-1: filter cotton A; 1-2: filter cotton B; water-gas separation subsystem: 2-1: electric valve A It can contr...
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According to the intelligent collection system and method for the gas in the deep geothermal water, the gas circuit subsystem is switched to the vacuumizing gas circuit, and after vacuumizing is completed, the vacuumizing gas circuit is switched to the gas storage gas circuit. After the water sample is pretreated, if the temperature is higher than 70 DEG C, the water sample is discharged, the cooling device is switched, the cooled water sample is fed into the degassing device, the obtained gas enters the gas path subsystem, and the residual water sample is discharged through the second dissolved oxygen sensor, otherwise, the pretreated water sample is detected and then directly enters the degassing device for water-gas separation. The gas path subsystem samples and stores the gas, and if the data value of the second pressure sensor exceeds the threshold value, the gas storage work is completed. The automatic geothermal water gas sampling device has the advantages that the electric valves, the electromagnetic valves, the temperature sensor, the pressure sensor and the cooling device are automated, so that the geothermal water gas sampling efficiency is fundamentally improved, the manual-to-automatic geothermal water gas sampling process is changed, manpower and material resources are saved in field engineering application, and the automatic geothermal water gas sampling device has great economic value.
Description
technical field [0001] The invention relates to the field of geothermal water collection, in particular to an intelligent gas collection system and method in deep geothermal water. Background technique [0002] At present, the on-site gas sampling work of deep geothermal wells has not been carried out on a large scale. On the one hand, the high temperature of geothermal water limits the research and development of geothermal water gas separation and capture devices; on the other hand, geothermal wells generally exploit deep groundwater. It is a rare opportunity to start a special water pump, and the existing groundwater gas separation and capture device has a low degree of automation and requires a lot of preparatory work for field use, which is not suitable for large-scale promotion. [0003] Specifically, gas sampling in water is mainly divided into gas sampling in surface water and gas sampling in groundwater according to the water environment. [0004] Gas sampling in s...
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IPC IPC(8): G01N1/22G01N1/34
CPCG01N1/2205G01N1/34
Inventor 郝文杰李胜涛蒿书利冯昭龙孟宪玮张建伟贾小丰张宏斌王新杰史彦新
Owner CENT FOR HYDROGEOLOGY & ENVIRONMENTAL GEOLOGY CGS