Device and method for simulating influence of different illumination conditions on water body nutritive salt
A nutrient salt and water body technology, applied in the field of lake water environment research, can solve the problems of unclear migration and transformation mechanism, complex photochemical behavior mechanism, etc.
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[0077] Example 1
[0078] This embodiment provides a device for simulating the effect of light on nutrients in water bodies, such as figure 1 with figure 2 As shown, it is mainly composed of the container part and the water body online monitoring system. Specifically:
[0079] More than one container 10 used for the experiment is a cylindrical cylinder; in order to reduce the interference to the experiment, the inner wall of the container 10 is made of plexiglass; the top of the container is provided with an exhaust port 11 and a sample inlet 12, in the container The sidewalls of the container are wrapped with an interlayer 20. The interlayer 20 is provided with a water inlet 20a and a water outlet 20b. The water inlet 20a and the water outlet 20b are respectively connected to the circulating water bath device 40; the light source 13 is installed on the top of the container 10; the illumination controller 45 Connected and used to control the illuminance of the light source 13; an...
Example Embodiment
[0089] Example 2
[0090] This embodiment is another form adopted on the basis of the device of Embodiment 1.
[0091] The aeration device of this embodiment includes: the bottom end of the rotating shaft is connected with an air guide plate, two air guide rods respectively extend downwardly along the lower end of the air guide plate, and the two air guide rods are symmetrically arranged in the circumferential direction of the air guide plate , And each air guide rod is arranged close to the inner side wall of the container. In this embodiment, the distance between each air guide rod and the inner side wall is between 1-2 cm.
[0092] The device of this embodiment is also provided with a fixed rod, which is arranged along the axis of the rotating shaft and is fixedly connected to the top plate of the container at the same time. The lower end of the fixed rod passes through the center of the air guide plate and extends below the air guide plate; the mounting plate, and The lower end ...
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