Fecha de publicación: 23/08/2022 Fuente: WIPO "hemp" The utility model discloses a falling-film concentrator which comprises a separation tank, a concentrated solution outlet is arranged at the bottom of the separation tank, a heating tank and a condenser are sequentially and vertically arranged at the top of the separation tank, a feed port is arranged at the top of the heating tank, and a condensate water discharge pipe is arranged on the outer wall of one side of the lower end of the heating tank. A steam inlet pipe is arranged on the outer wall of the heating tank and located above the condensate water discharge pipe, a steam pipe is connected to the outer wall of one side of the upper end of the heating tank, the bottom end of the steam pipe is connected with the top of the separation tank, a steam discharge port is formed in the top end of the condenser, and a water adding pipe is arranged on the outer wall of one side of the lower portion of the condenser. According to the falling-film concentrator, heating evaporation can be performed through the heating tank arranged in the falling-film concentrator, further gas-liquid separation is performed through the separation tank, so that liquid is uniformly and sufficiently heated, the liquid is sufficiently concentrated, the concentration time is relatively short, the concentration effect is ensured, and the falling-film concentrator is simple and convenient to operate and convenient to use.