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A test device with the functions of water environment simulation and water dissolved gas content determination

A technology of environmental simulation and dissolved gas, applied in the direction of testing water, material inspection products, etc., can solve the problems of ecological environment damage in reservoir areas, turbulence of downstream water bodies, and lack of test methods, etc.

Active Publication Date: 2019-01-01
SICHUAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At the same time, when the high dam project releases water to the downstream river, it will cause severe turbulence in the downstream water body, which will also have an adverse impact on the water environment and ecological system of the downstream water body
It can be seen from the above that the high dam project will not only damage the ecological environment of the reservoir area, but also adversely affect the ecological environment downstream of the high dam project
[0003] Water bodies such as rivers, lakes, reservoirs and oceans in nature exchange various gases with the air through the interface with the air. The content of various gases dissolved in water bodies such as rivers, lakes, reservoirs and oceans is an important factor for the aquatic ecological environment Therefore, in actual research, the dissolved gas content in water can be used as an indicator to analyze the factors that affect the deterioration of the water environment and ecosystem degradation in the reservoir area of ​​the high dam project and its downstream, but there is no report on the relevant test methods and test devices. , and there is no relevant test method to learn from

Method used

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  • A test device with the functions of water environment simulation and water dissolved gas content determination

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] In this embodiment, the schematic diagram of the structure of the test device with the functions of water environment simulation and water dissolved gas content measurement is as follows: figure 1 As shown, it includes an autoclave 1, a magnetically driven stirrer, an air compressor 11, a gas pipeline 12, a water pipeline 13, a water pump 14, a control valve 15, a temperature control component and a dissolved gas content analyzer.

[0033] The autoclave 1 is composed of a cylindrical autoclave body 1-1 with a closed lower end and a sealing cover 1-2 installed on the upper end of the autoclave body. The autoclave can withstand a pressure of 1 MPa. It is provided with an air inlet 3 and a jet hole 4 and is equipped with a pressure gauge 5, a pressure regulating valve 6, a safety air valve 7 and a water inlet pipe 2 with a valve. The air inlet 3 is arranged at the center of the sealing cover, and the jet hole The quantity is 1, and the jet hole is arranged at the position ...

Embodiment 2

[0037] In this embodiment, the schematic diagram of the structure of the test device with the functions of water environment simulation and water dissolved gas content measurement is as follows: figure 1 As shown, it includes an autoclave 1, a magnetically driven stirrer, an air compressor 11, a gas pipeline 12, a water pipeline 13, a water pump 14, a control valve 15, a temperature control component and a dissolved gas content analyzer.

[0038] The autoclave 1 is composed of a cylindrical autoclave body 1-1 with a closed lower end and a sealing cover 1-2 installed on the upper end of the autoclave body. The autoclave can withstand a pressure of 1.5 MPa. The sealing cover 1-2 It is provided with an air inlet 3 and a jet hole 4 and is equipped with a pressure gauge 5, a pressure regulating valve 6, a safety air valve 7 and a water inlet pipe 2 with a valve. The air inlet 3 is arranged at the center of the sealing cover, and the jet The number of holes is 10, and each jet hole ...

Embodiment 3

[0042] In this example, the method of using the test device described in Example 1 or Example 2 will be described.

[0043] Put the sealing cover of the autoclave on the body of the autoclave, keep the control valve, pressure regulating valve and safety gas valve in the closed state, pass water into the autoclave through the water inlet pipe to submerge the dissolved gas content measuring instrument installed in the autoclave The measurement probe, the temperature sensing device and heating device of the temperature control component, and the magnetic drive type stirrer, make the gas outlet end of the gas delivery pipe under the water surface, and after passing water to 70% to 80% of the effective volume of the reactor, close the water inlet pipe According to different test purposes, different test conditions can be formed through the following adjustments to simulate different water environments, and the dissolved gas content of water under different test conditions can be mea...

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Abstract

The invention provides a test device with functions of simulating water environments and measuring the content of dissolved gas in water. The test device mainly comprises a pressure kettle, magnetic drive type stirrers, an air compressor, a water pump, a temperature control assembly and a dissolved gas content measuring instrument. The pressure kettle comprises a pressure kettle body and a sealing cover, the magnetic drive type stirrers are positioned at the bottom and in the middle of an inner cavity of the pressure kettle body and are mounted on the bottom wall and the side walls of the pressure kettle body, one end of a water delivery pipe is connected with a water outlet in the pressure kettle body, the other end of the water delivery pipe is connected with a jet hole in the sealing cover, a temperature sensing device and a heating device of the temperature control assembly are positioned in the inner cavity of the pressure kettle body, a temperature control device is positioned outside the pressure kettle, measuring probes of the dissolved gas content measuring instrument are positioned in the inner cavity of the pressure kettle body, and a main portion of the dissolved gas content measuring instrument is positioned outside the pressure kettle.

Description

technical field [0001] The invention belongs to the field of the impact of high dam projects on the ecological environment, and relates to a test device with the functions of water body environment simulation and water dissolved gas content measurement. The factors of system degradation are studied. Background technique [0002] Since the 21st century, a large number of high dam projects have been built in Southwest my country. According to statistics, my country accounts for more than half of the 200m high dams that have been built or are under construction in the world. While the high dam project has made great contributions to economic construction, the high dam construction has formed many deep reservoirs, and the reservoir area of ​​the high dam project, especially the deep reservoir area formed by the high dam project, has continuously suffered from water environment deterioration, Ecosystem degradation and other issues, among them, eutrophication of reservoir water an...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N33/18
CPCG01N33/18
Inventor 张建民许唯临彭勇李昕刘善均王韦邓军曲景学田忠张法星周茂林
Owner SICHUAN UNIV