Automatic control device for mine drainage
An automatic control device and mine drainage technology, applied in the directions of drainage, pump control, safety device, etc., can solve the problems of wasting manpower, high cost, inconvenient installation and use, etc., and achieve the effect of simple structure, low cost, and convenient installation.
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[0014] Embodiments of the present invention are further described below in conjunction with the accompanying drawings:
[0015] Such as figure 1 As shown, the mine drainage automatic control device of the present invention includes a magnetic limit switch 1, and the magnetic limit switch 1 is provided with three rotation speed gears, which can control three different drainage speeds, and also includes a limit position set in the shaft 10 Cylinder 4 and the control float 6 installed in the limit cylinder 4, the control float 6 will float up and down in the limit cylinder 4 due to the buoyancy of water, control the gear position and start and stop of the centrifugal pump, and realize differential drainage. The limit tube 4 is fixed on the inner wall of the well shaft 10, and the upper and lower sides of the limit tube 4 are opened. The water in the well shaft 10 flows into the limit tube 4 through the lower opening, and the limit tube 4 will be set according to the specific cond...
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