Heat treatment device (4, 5, 9, 10) of food products, characterized in that it comprises a receptacle (11) intended to receive food products, a heat treatment bath (12) in the lower part of the receptacle, having the receptacle ( 11) a channel-shaped section, a feed with heat treatment water (28) with displacement of said food products by means of the water in the receptacle, and a sluice (16) placed in the lower part of the receptacle, said sluice having ( 16) at least one opening position that allows the heat treatment water and the food products displaced by the heat treatment water to pass through, and a closing position that retains the food products in the heat treatment water, the treatment bath comprising thermal (12) a sink (19) for heat treatment water placed in the bottom of the sluice (16), and a timing element (20) of the duration of heat treatment, said timing element (20) being provided with vanes (25), the sluice (16) being synchronized with said timing element (20) in the closed position when a vane (25) It is in front of the sluice (16) and in the open position, when access to the pool (19) of heat treatment water is free.Dispositivo de tratamiento térmico (4, 5, 9, 10) de productos alimenticios, caracterizado porque comprende un receptáculo (11) destinado a recibir productos alimenticios, un baño de tratamiento térmico (12) en la parte inferior del receptáculo, teniendo el receptáculo (11) una sección en forma de canaleta, una alimentación con agua de tratamiento térmico (28) con desplazamiento de dichos productos alimenticios mediante el agua en el receptáculo, y una esclusa (16) colocada en la parte inferior del receptáculo, teniendo dicha esclusa (16) al menos una posición de apertura que deja pasar el agua de tratamiento térmico y los productos alimenticios desplazados por el agua de tratamiento térmico, y una posición de cierre que retiene los productos alimenticios en el agua de tratamiento térmico, comprendiendo el baño de tratamiento térmi
