Visualization experiment device and method of pulverized coal migration law in cracks
The technology of an experimental device and experimental method, which is applied in the direction of construction, can solve the problems of studying the migration law of coal powder in the cracked medium, and achieve the effect of solving the migration, increasing the workload and increasing the cost
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Embodiment approach 1
[0048] Such as Figure 1 to Figure 5 As shown, the experimental device for visualizing the movement of pulverized coal in cracks proposed by the embodiment of the present invention includes a middle crack assembly 1, a left transition joint 2 and a right transition joint 3, and one end of the left transition joint 2 is connected to a first pipeline 4. The other end is connected to the left end of the middle slit assembly 1, one end of the right transition joint 2 is connected to the right end of the middle slit assembly 1, and the other end is connected to the second pipeline 5, the middle slit assembly 1 is a transparent structure, its Inside has adjustable width slits.
[0049] Wherein, the first pipeline 4 can be an inlet, and the second pipeline 5 can be a discharge outlet. Alternatively, the first pipeline 4 can be an outlet, and the second pipeline 5 can be an inlet. In the following, the first pipe 4 is an injection port, and the second pipe 5 is a discharge port as a...
Embodiment approach 2
[0070]A visual experiment method for coal dust migration in cracks, combined with Figure 12 As shown, it includes the following steps:
[0071] Provide the above-mentioned visualization experiment device for the movement of pulverized coal in the crack;
[0072] A liquid control pipeline 11 and a gas control pipeline 12 arranged in parallel are provided, and the liquid control pipeline 11 and the gas control pipeline 12 are connected in parallel and then sequentially connected to the gas-liquid control pipeline 13 and the first pipeline 4;
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