an in situ soil feeding 13 co 2 systems and methods
A soil, in-situ technology, used in soil material testing, material inspection products, etc., to achieve the effect of reducing external interference and simple operation methods
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Embodiment 1
[0037] to combine figure 1 shown, one for feeding the soil 13 CO 2 system, including power unit 1, filter unit 2, feeding unit 3 and CO 2 detection device 4; wherein,
[0038] Described power unit is commercially available air pump 5;
[0039] The filtering device includes a drying pipe 6 and rubber conduits connected to the drying pipes; the drying pipes 6 are respectively connected through rubber conduits. In the drying tube 6 is solid Ca(OH) 2 ;
[0040] The feeding device comprises a plexiglass cylinder 7, an air injection pipe 8, an exhaust pipe 9, an exhaust pipe switch valve 13, an air injection pipe switch valve 14, a circular baffle 11, and a knob 10 for controlling the baffle switch;
[0041] The CO 2 The detection device is commercially available CO 2 analyzer12.
[0042] The air pump 5 provides power for gas flow for the whole system; the air pump 5 is connected with the filter device 2 .
[0043]In the filter device 2 of the present invention, the outsid...
Embodiment 2
[0049] Embodiment 2 feeding method
[0050] Feeding the soil using the system described in Example 1 13 CO 2 system feeding soil 13 CO 2 method, including the following steps:
[0051] 1) the soil ring 15 is driven into the ground vertically, and then the soil ring 15 is connected with the feeding device 3 ( figure 2 ), repeatedly wrap the joint with waterproof tape to prevent air leakage at the interface between the cylinder and the soil ring;
[0052] 2) The power unit 1, filter unit 2, feeding unit 3 and CO 2 The detection device 4 is connected; rotate the knob 10 on the cylinder to make the circular baffle 11 horizontal, so that the space above the glass cylinder baffle is in a completely sealed state;
[0053] 3) Open the switching valves 13, 14 of the gas injection pipe 14 and the exhaust pipe 13; start the air pump 5, control the air to 10Lmin -1 The flow rate flows out from the air pump 5, through Ca(OH) 2 The air in the drying pipe 6 enters the plexiglass cyl...
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