METHOD FOR MANUFACTURING HEAT-RETAINING ELEMENT, AND HEAT-RETAINING ELEMENT MADE BY SUCH METHOD Russian patent published in 2010 - IPC F28F13/18 

FIELD: heating.

SUBSTANCE: invention refers to heat exchangers and can be used in such industries as metallurgy, machine industry and processing of agricultural products. There proposed is method for manufacturing heat-retaining element with coating from high-radiating material at least on one of the surfaces of the main part of the element, which consists in the surface treatment with liquid representing water solution containing high-temperature binding substance and polyamine hardener or silicate of alkali element, and application by plastering, sputtering or dipping to the above pre-treated surfaces of the coating made from material the thermal emissivity of which in far-infrared region is higher than that of material from which the main part of the element is made. At that, the above coating material is applied in a layer 0.02 to 3 mm thick. There also proposed is heat-retaining element with coating from high-radiating material, which is made as per the described method; at that, material from which the main part of element is made is chosen form the group including refractory material, ceramic material, iron or steel; cross section of element can be round, square, rectangular, rhomb-shaped, hexagonal or multangular, and the element itself can be made in the form of honeycomb, tube with rectangular cross section, ball, ellipsoid or plate, with one or several inner holes, and cross section of the above holes can be round, square, rectangular, rhomb-shaped, hexagonal or multangular.

EFFECT: heat-retaining element contributes to increase of heat exchange function and thus to energy saving.

7 cl, 7 dwg