Device for preparing ultra-pure ammonia by purifying industrial ammonia

The utility model discloses a device for preparing ultra-pure ammonia by purifying industrial ammonia. The device comprises an industrial ammonia buffer tank, a light component removal tower, a heavy component removal tower, a product cooler and a finished product tank, two groups of filters which are arranged in parallel are connected in series between the feeding diaphragm pump and the light component removal tower; each group of filters comprises a 10-micron filter and a 1-micron filter; the bottom of the light component removal tower is connected with the heavy component removal tower; the product cooler is connected with the finished product tank; two filters are sequentially arranged between the product cooler and the finished product tank in series from front to back, one filter is a 0.01-micron filter, and the other filter is a 0.001-micron filter; according to the device, the purpose of preparing the ultra-pure ammonia from the industrial ammonia raw material is achieved, production can be achieved b