Zigzag air coolers with two fans of type АВZD are designed for cooling and condensation of gaseous, vapor and liquid media in the technological processes of oil refining, petrochemical and related industries. The apparatus consists of six tube sections made up of bimetallic finned tubes.


Zigzag air coolers with two fans of type АВZD are designed for cooling and condensation of gaseous, vapor and liquid media in the technological processes of oil refining, petrochemical and related industries. The apparatus consists of six tube sections made up of bimetallic finned tubes. The sections are in the form of a zigzag at an acute angle to each other and to a horizontal support area. The sections are mounted on a metal structure. On the separate frame there is a drive with a fan wheel. The fan wheel, rotating in the cavity of the collector, chases the air through the intertubular space of the sections, cooling the product.


Specifications

Options

Values

Surface area of ​​heat transfer:

from 3400 to 12000 m2

Pressure conditional:

0.6; 1.6; 2.5; 4.0; 6.3 MPa (6, 16, 25, 40 and 63 kg cm2)

Number of heat exchanger sections:

6th

Power of the slow-moving electric motor:

 22; 30; 37 kW

Number of fan wheels in the unit:

 2 pcs.

Fan wheel speed:

428.6 rpm

Coefficient of pipe finning (conditional):

9; 14.6; 20

Number of rows of pipes in the section:

4; 6; 8

Number of strokes per pipe in the section:

1; 2; 2a; 4; 4a; 8

Pipe length in section:

8 m

Material execution of the section:

B1; B2.1; B3; B4; B5

Type of pipe sections:

lid

Note: the material of the inner tube, depending on the material execution, is B1-steel20; B2.1 - 15X5M or X8; БЗ-12Х18Н10Т, 08Х18Н10Т, 08Х22Н6Т; B4 - steel 10Х17Н13М2Т; B5-LAMMSh77-2-0.05.

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