FIELD: heating.
SUBSTANCE: invention deals with design of equipment intended for handling chemicals whose high corrosive activity necessitates special provision for the apparatus efficient long-term corrosion protection. The apparatus thereby proposed as capable to provide for the problem solution contains a heat exchanger equipped with a tube bundle; it is specially designed for exchange of heat between two liquid media with one of them, characterised by high corrosiveness, circulating through the bundle of tubes. The tube bundle is composed of a single or multiple tube(s) fabricated of titanium or a titanium alloy with a zirconium (zirconium alloy) coating applied metallurgically or by way of welding.
EFFECT: development of a heat exchanger efficiently protected against the destructive impact of highly corrosive chemicals being handled, reliably operable, characterised by a lengthier service life and easily maintainable and repairable.
2 dwg, 11 cl
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