SU1562605A2 - Recuperator unit section - Google Patents

Abstract

The invention relates to heat exchange technology and can be used in fuel combustion plants. The purpose of the invention is to increase thermal efficiency without increasing the size. The cold air (B) enters all the supplying compartments (O) 7, from them into the pipes (T), out of them into the diverting O 8 and then to the consumer. When passing through T, heated by gases passing through duct 1, B heats up. Thermal efficiency increases because, while maintaining the dimensions of the section, additional rows T are installed in its volume, which increases the heat transfer surface and, accordingly, the section heat output. 1 hp f-ly, 2 ill.

Description

 Azi

eleven

N

The invention relates to heat and exchange technology, it can be used in fuel-burning installations and is an improvement to the shadow invented by the author & No. 798421,

The purpose of the invention is to increase thermal efficiency without increasing the size.

Fig. 1 shows a heat exchanger section, a longitudinal section; on fig2 - section А-А on fig „1„

The heat exchanger section contains 1 U-tubes 2, measured in the duct, the ends of which are inserted into the air duct 3. Inside the latter, there are partitions 4 located between the inlet and outlet ends of the tubes 2, and partitions 5S located between the individual main rows of 6 tubes. The ends of the partitions 4 and 5 are bent in opposite directions and interconnected to form autonomous supply 7 and discharge 8 compartments, which are communicated respectively with supply 9 and discharge 10 chambers. The section also contains additional rows 11 of pipe 2, the input and output ends of the latter in each row 11 being connected respectively to compartments 7 and 8 of the box 3 on opposite sides of one of the partitions 5 installed between pipes 2 of two adjacent main rows 6. On partitions 4 and 5 applied a layer of 12 warm pollu

The section works as follows

Cold air enters through chamber 10 at the same time into all supply compartments 7, of which into pipes 2,

but

h

gI5 t 5 4 3

.1 A ... 1 j

Editor N.Rogulich

Compiled by G.Petrov

Tehred L. Serdkkova Korreklyur N "King

Order 1050

Circulation 453

The State Committee for Inventions and Discoveries under the State Committee on Science and Technology of the USSR was entered in 113035, Moscow, Zh-35, 4/5 Raushsk nab.

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five

It passes from the pipes 2, heated by the gases passing through the gas duct 1, and heats the air. The heat efficiency of the section increases due to the fact that without changing its dimensions as compared to the known section , in its volume, additional rows of 1 G of pipes 2 are installed, which, without increasing the size of the section, increases its heat transfer surface and, accordingly, its heat production. The presence of a layer of heat insulation 12 on partitions 4 and 5 reduces heat exchange between cold air in compartments 7 and hot - in compartments 8, which also increases the heating efficiency, since harmful heat transfer from hot air to cold

Claims (1)

Invention Formula 1 „Heat exchanger section according to auth. No. 798421, characterized in that, in order to increase thermal efficiency without increasing the dimensions, it contains additional rows of pipes, with the internal and output ends of the latter in each row being connected respectively to the supply and discharge sections of the air duct on opposite sides of one from partitions installed between the pipes of two adjacent main rows. 2 "Section 2, characterized in that it is provided with a layer of thermal insulation deposited on partitions" Subscription