Whole-process automation device for coal float-sink test

The utility model discloses a whole-process automation device for a coal float-sink test, which comprises heavy liquid barrels, a delivery pump, a float-sink net barrel and a net bottom barrel, wherein each heavy liquid barrel is connected with the bottom of the float-sink net barrel through a liquid delivery pipeline and a liquid return pipeline; the delivery pump is arranged on the liquid delivery pipeline; a vibrator and a liquid level meter are mounted on the float-sink net barrel, a coal sample filling funnel is arranged above the float-sink net barrel, and a stirrer is arranged in the float-sink net barrel; an exit is formed at the upper part of the float-sink net barrel, and an electric door is arranged at the exit; the net bottom barrel is positioned below the exit of the float-sink net barrel; the net bottom barrel is hung on an electric hoist through a weighing sensor; the electric hoist is mounted on a hanging bracket; an outer cylinder, a drying box and a collection barrel are arranged below the net bottom barrel sequentially from left to right; a hot water spray head is arranged above the net bottom barrel; the outer cylinder is connected with a wastewater collection barrel through an electromagnetic valve; the bottom of the float-sink net barrel is also connected with the wastewater collection barrel through the electromagnetic valve. The device is safe and reliable and realizes automation of the whole process of the coal float-sink test while the test effect is good and the efficiency is high.