FILM EVAPORATOR Russian patent published in 2005 - IPC

FIELD: separation.

SUBSTANCE: film evaporator comprises vertical cylindrical housing, face lids, top and bottom tube plates, heat exchanging pipes, film generators mounted with a spaced relation inside the top ends of the heat exchanging pipes, and connecting pipes for supplying and discharging fluid that heat secondary steam and condensate. The bottom section of the housing receives pipeline made of a coil whose one end is connected with the connecting pipe for supplying the fluid and straight section is secured between the tube plates. The connecting pipe for supplying fluid is mounted in the bottom face lid of the evaporator and provided with two additional tube plates arranged under the top and bottom tube plates, respectively. The plates are provided with heat exchanging pipes and film generators arranged coaxially to the central axis of the housing. The device is provided with stiffening ribs that are arranged inside the housing and connect the adjacent pipes. The evaporator also has mechanism for axial movement of film generators. The film generators and heat exchanging pipes in the top section of the housing are provided with cones for adjusting the clearance for flowing fluid.

EFFECT: expanded functional capabilities.

1 cl, 9 dwg