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H-type finned tube economizer

H-type fin tube type waste heat recovery device (also known as economizer); H-type fin tube type economizer technology uses H-type fin tube (also known as H-type; the basic form is "H" type and double " H ”type, in-line arrangement; 1) economizer replaces smooth tube economizer with H-type fin tube economizer; 3) H-type fin tube economizer adopts in-line arrangement, H-type fin Put the space; 4) H-shaped fins can get the best blowing because of the straight channels formed on both sides; 6) Energy saving and low power consumption: the economizer used for the generator set can be reduced at least; 7) Simple operation and maintenance;
H-shaped fin (fin, rib) tube type waste heat recovery device (also known as economizer)
H-type finned tube economizer technology is a high-efficiency heat-saving economizer assembled by using H-shaped finned tubes (also known as H-shaped finned tubes, finned tubes, and butterfly tube).
1. Structure form:
The basic form is "H" type and double "H" type, arranged in line.
2. Performance characteristics
(1) The economizer replaces the smooth tube economizer with an H-shaped tube economizer, which can increase the heat exchange area and reduce the number of tubes arranged, thereby increasing the cross section of the flue gas flow, reducing the smoke velocity and reducing wear. Since the wear rate of the tube is proportional to the 3.33 power of the flue gas velocity, if the flue gas velocity is reduced from 9m / s to 7m / s, the wear rate will be reduced to 43%. At the same time, the experiment shows that the finned tube itself has the effect of concentrating the fly ash toward the middle of the row of tubes, so the use of the finned tube economizer has the effect of reducing wear on the structure.
(2) The H-shaped finned tube can be made into a double-tube "double H" -shaped finned tube. The rigidity of the structure is good, and it can be applied to the occasions where the tube row is long.
(3) H-type finned tube economizers are arranged in series. H-type fins divide the space into several small areas, which have a uniform flow effect on the air flow and greatly reduce wear.
(4) Since the H-shaped fins form straight channels on both sides, a good soot blowing effect can be obtained.
(5) The space is compact, the overall weight is greatly reduced, and the cost is reduced.
(6) Energy saving and low power consumption: The economizer used in the generator set can reduce the heat loss of generator exhaust by at least two-thirds, and only consumes 2 to 4kW of electricity per ton of steam.
(7) Simple operation and maintenance; save labor: economizer is assembled and shipped from the factory, with few moving parts, simple structure, easy to install.
Links to Lord Fin Tube:

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