FIELD: electricity.
SUBSTANCE: invention is related to structures of hot-water storage tanks, in particular to devices allowing increase in reliability and safety of such tanks and prevention of their explosive fracture. The invention suggests hot-water storage tank containing a cylindrical vessel made of metal sheets, bottom, roof, water feed and drainage pipelines, discharge tube, outer protective structure with vertical rods and belt-like element. The belt-like element is made in the form of sidewall; it has common bottom and roof with the cylindrical vessel; it is equipped with diametrical ribs and discharge tube from outside. The belt-like element forms manufacturing clearance with a wall of cylindrical vessel, while vertical rods placed in the manufacturing clearance form heat compensating clearance with a wall of cylindrical vessel. Inner radius of the belt-like element is defined by preset ratio.
EFFECT: improving reliability and safety in operation of hot-water storage tanks.
2 dwg
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