ENTRANCE POINT OF SYSTEM FOR HEAT SUPPLY OF BUILDING Russian patent published in 2015 - IPC F24D3/00 

FIELD: heating.

SUBSTANCE: entrance point of system for heat supply of building containing supply and return pipelines, elevator, gates upstream and downstream the elevator, and heaters characterized by the fact that on the internal surface of the expansion section of the elevator the curvilinear grooves are made located longitudinally from input to the expansion section of the elevator to its output, besides, at it output a round groove is made, connected both with curvilinear grooves, and with device for contamination removal.

EFFECT: possibility to maintain thermal-power rated parameters of the entrance point of system for heat supply of building upon long-term operation by exclusion of the contamination adhesion on the internal surfaces of the heaters.

2 dwg