Phosphogypsum production device

The utility model discloses a phosphogypsum production device. The device comprises a crystallization tank, a curing tank, filter equipment and a dilute acid storage tank (6), wherein the crystallization tank comprises a di-hydrate crystallization tank (1) and a semi-hydrate crystallization tank (4); the filter equipment comprises filter equipment A (3) and filter equipment B (5); the di-hydrate crystallization tank (1), the curing tank (2), the filter equipment A (3), the semi-hydrate crystallization tank (4) and the filter equipment B (5) are sequentially connected through pipelines; the filter equipment A (3) is also connected to the dilute acid storage tank (6); the filter equipment B (5) is provided with pipelines to be connected to the di-hydrate crystallization tank (1) and the semi-hydrate crystallization tank (4) respectively. The phosphogypsum production device can be used for producing alpha type semi-hydrated gypsum, is simple in structure and easy to operate, fully uses washing water for filtration washing and has very high practical values.