Method and device for water quenching of yellow phosphorus furnace slag

[0021] A method for water quenching yellow phosphorus slag, the specific process is: lead the molten yellow phosphorus slag to the slag flushing ditch, then add high-pressure water to the slag flushing ditch for water quenching, wherein the flow velocity of the slag flushing water is 1.8 m / s, The amount of water added is 650 cubic meters per hour. At this time, 1.3 tons per minute of slag in the slag flushing ditch is brought into the buffer tower by water, and the water vapor generated during the water quenching process is collected in the buffer tower. Finally, the material enters the dehydrator for Separation, the separated water is used for the subsequent water quenching process of the slag after precipitation, the separated slag is stored and recycled, and the slag obtained from the water separated from the dehydrator is also stored and recycled.

[0023] A method for water-quenching yellow phosphorus slag, the specific process is: lead the molten yellow phosphorus slag to the slag-washing ditch, then add high-pressure water to the slag-washing ditch for water quenching, wherein the flow velocity of the slag-washing water is 2.8 m / s, The amount of water added is 770 cubic meters per hour, and 1.53 tons per minute of slag in the slag flushing ditch is brought into the buffer tower by water, and the water vapor generated during the water quenching process is collected in the buffer tower, and finally the material enters the dehydrator for separation. After the water is precipitated, it is used for the subsequent water quenching process of the slag. The separated slag is stored and recycled, and the slag obtained from the water precipitation separated from the dehydrator is also stored and recycled.

[0025] A device for water-quenching yellow phosphorus slag, comprising a slag flushing ditch 2, a buffer tower 3 and a dehydrator 4 connected in sequence, wherein the dehydrator 4 is provided with a water outlet and a slag outlet, and the water outlet passes through a circulation pool 5 and a circulation pump 1 connected to the slag flushing ditch; the slag outlet of the dehydrator 4 is connected to the slag storage bin 7 through the belt 6; the circulation pool 5 includes a sedimentation tank, and the sedimentation tank is a cylinder 51 with a cylindrical structure, and the bottom of the cylinder is connected There is an inverted conical sedimentation bin 52, a water inlet 56 is provided above the side wall of the cylinder body 51, and a plurality of forced diversion beam tubes 53 are arranged in the cylinder body, and the top of the forced diversion beam tube is connected to the water outlet 54 through a pipeline, and the water outlet The side wall located above the cylinder ...