EVAPORATOR FOR SYNTHETIC GAS COOLING AND STEAM GENERATION Russian patent published in 2025 - IPC F28C3/08 

FIELD: mechanical engineering.

SUBSTANCE: invention relates to designs of surface evaporators and can be used, in particular, in heat engineering for cooling of synthetic gas and production of steam directed into a superheater. Evaporator comprises heating coolant feed branch pipe connected to inlet header connected with first end of horizontal cylindrical housing whereon inlet tube plate is installed. At least one steam discharge branch pipe is connected to the horizontal cylindrical housing. At that, pipes for heated water supply are connected to the horizontal cylindrical housing uniformly around it. At the same time the evaporator contains the first cooling chamber connected to the external surface of the inlet header and the branch pipe for supply of the heating coolant. Evaporator comprises a second cooling chamber connected to the outer surface of the outlet header and the branch pipe for withdrawing the heating heat carrier. Wherein coolant feed and discharge branch pipes are connected to second cooling chamber. At the same time horizontal cylindrical housing contains at least one compensator of its thermal expansion. Outlets of the pipes for supplying heated water, which are in the upper half of the horizontal cylindrical housing, are located at angle of 90° to the end surfaces of the inlet and outlet tube plates facing the inner volume of the horizontal cylindrical housing. Outlets of the pipes for supplying heated water, which are in the lower half of the horizontal cylindrical housing, are located at angle of 30° to the end surfaces of the inlet and outlet tube plates facing the inner volume of the horizontal cylindrical housing.

EFFECT: providing cooling of nozzles for supply and removal of heating coolant, inlet and outlet headers, as well as inlet and outlet tube plates; providing increase in heat resistance of nozzles for supply and discharge of heating medium, inlet and outlet headers, as well as inlet and outlet tube plates; and providing compensation for thermal expansions of the wall of the horizontal cylindrical housing of the evaporator during its operation.

2 cl, 3 dwg