摘要 |
FIELD: power engineering.SUBSTANCE: boiler is equipped with flexible electric heaters of cable or tape type and a reflecting screen, and its outer surface is made with grooves arranged along a helical line, where flexible electric heaters are laid, at the same time grooves for the cable type of electric heaters are made in the form of a semicircumference, and for the tape type they are "?"-shaped.EFFECT: increased service life of a steam generator, higher efficiency of steam generation and reduction of costs for maintenance and repair of a steam generator.2 dwg |