HEAT EXCHANGER Russian patent published in 2019 - IPC F28D7/10 

FIELD: heating equipment.

SUBSTANCE: invention relates to heat exchange technology and can be used to create heat exchangers. Heat exchanging device housing consists of inlet, central and outlet parts. Central part is made in the form of a hollow cylinder with two bottoms, and inlet and outlet parts are made of several hollow cylindrical shell rings with one bottom and attached to each other. Heat exchange elements are made in the form of several coaxially installed pipes of different diameter and different length, wherein pipes of larger diameter and smaller length form peripheral part of each heat exchange element, and pipes of smaller diameter and longer length form its central part, wherein input and output parts of first external pipe of each heat exchange element are installed in bottoms of central part of housing, and each next tube of heat exchange element is installed in bottoms of inlet and corresponding outlet parts inside previous tube with formation of annular radial gaps between walls of pipes connected to cavity of first or second flows, wherein the cavities of the annular radial gaps of the first and second streams alternate monotonously.

EFFECT: present invention improves technical characteristics and broader functional capabilities of the heat exchanger.

1 cl, 3 dwg