Phosphoric acid by wet process purification treatment production system

The utility model discloses a phosphoric acid by wet process purification treatment production system has solved the high problem of the heavy metal content of current thick phosphoric acid. Technicalscheme includes the reaction system, the reaction system weighs the sour storage tank of reaction, defluorination reaction, the clear cleaning cell of phosphoric acid and finished product including taking off of connecting gradually, it all has the agitator in the sour storage tank of a heavy reaction, defluorination reaction and finished product to take off, the clear cleaning cell inner zone ofphosphoric acid changes the harrow, take off that a heavy reaction top is equipped with raw materials phosphoric acid inlet port, returns sour inlet port, sodium sulfide solution inlet port and the export of reaction tail gas, defluorination reaction top is equipped with sodium carbonate solution inlet port and the export of reaction tail gas, the clear cleaning cell top of phosphoric acid is equipped with flocculating ag