Ammonia removal device and process for hydrocyanic acid production

The invention relates to the technical field of chemical production, and particularly discloses an ammonia removal device for hydrocyanic acid production, which comprises a tower body, the bottom of the side wall of the tower body is communicated with a hydrocyanic acid synthesis gas feed pipe, the top of the side wall of the tower body is communicated with an acid liquor feed pipe, the top of the tower body is communicated with a hydrocyanic acid synthesis gas discharge pipe, and the top of the tower body is communicated with an acid liquor discharge pipe. The bottom of the tower body is communicated with an acid liquor discharge pipe; the plurality of filler frames are vertically and uniformly arranged in the tower body; the demister comprises a rotating shaft, a scraper and a driving mechanism, the rotating shaft is vertically and rotatably connected in the tower body, the scraper is arranged on the rotating shaft and can scrape along the wall surface of the filler frame, the driving mechanism drives the r