FIELD: the invention is designed for application in heat exchanging apparatus namely in heat exchanging sections and may be used in air cooling apparatus.
SUBSTANCE: the heat exchanging section of a gas air cooling apparatus has a frame consisting of lateral walls provided with wall displacers of the flow of exterior cooling environment predominantly air, upper and low beams and also chambers with tube plates for inputting and outputting of the cooling gas. In the tube plates the ends of finned heat exchanging tubes are choked up. These tubes develop a multi-row, single passing bundle. AT that each chamber of input and output of gas is located correspondingly on the input and the output of the heat exchanging tubes and together with them a vessel working under pressure. At that the chamber of input or output of gas is formed by corresponding tube plate and the parallel exterior plate which has transparent openings provided with removable corks. These openings are coaxial with the openings in the tube plate and the openings in the tube plates are located in rows at the height of the section with an axial pitch making up (0,95-1,35)-d and with axial pitch in the rows adjacent according the height making (0,91-1,21)-d where d - an exterior diameter of the finning of the heat exchanging tube. At that the openings in each row are displaced on 0,4-0,6 of the pitch from the axles of the openings in the row relatively to the adjacent rows according to the height. The number of the heat exchanging tubes in the direction of the vector of the flow of the exterior cooling environment predominantly air makes from 4 to 14 and in the row the number of the heat exchanging tubes edgewise of the section exceeds in 4-9 times the number of the heat exchanging tubes located in series along the way of the mentioned flow of exterior cooling environment predominantly air.
EFFECT: allows to increase efficiency of heat exchanging at minimum metal consuming in the construction due to optimization of the parameters of heat exchanging elements.
19 cl, 6 dwg
