EVAPORATOR FOR SALT-CONTAINING SOLUTIONS Russian patent published in 1995 - IPC

FIELD: chemical industry. SUBSTANCE: evaporator uses descending current heating chamber 1, ascending current heating chamber 2, boiling pipe 3, separator 4, circulating pump 5, intermediate vessel crystallizer 6. Vessel 6 accommodates the end of the transfer pipe, whose lower end is provided with a swirler of evaporated solution made in the form of a cylinder with a spherical bottom, whose camber faces upwards and whose side walls have ports. These ports are made as nicks with C-shaped bends oriented inside the cylinder in the direction of flow. Throttling orifice 19 is installed at the outlet of chamber 2. Intermediate vessel 6 has a cooling jacket. EFFECT: decreased overall dimensions and specific consumption of materials, more complete removal of salt crystals from evaporated solution. 3 cl, 4 dwg