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AVO air cooler

AVO air cooler

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Description
AVO air cooler

Air coolers (further devices) and blocks of devices happen the following types:

  • horizontal ─ AUG;
  • zigzag ─ AVZ;
  • low-line ─ AVM;
  • delta-shaped ─ AVD;
  • and their modifications.

Selection of devices is carried out on the basis of the questionnaire.

Devices are intended for cooling and condensation of vaporous, gaseous and liquid environments in technological processes oil processing, petrochemical, chemical, gas and other industries with a pressure of cooled environment no more than 16,0 MPas, or under vacuum with residual pressure not lower than 665 Pas and temperature not above 400 °C and are produced for internal and foreign deliveries.

Climatic modification of the devices U1 and UHL1 in accordance with GOST 15150.

The metal bearing design is intended for installation of devices in areas with seismicity to 7 points (II-7 Construction Norms and Regulations) and a high-speed pressure of wind on the IV geographical area (Construction Norms and Regulations 7.01.07).

Devices can be manufactured in coordination with manufacturer:

  • for work in the conditions of a frigid climate with average air temperature within five days in a row during the coldest period is not lower minus 55 °C - a climatic modification With;
  • with the metal bearing design intended for installation of devices in areas with seismicity to 9 points and a high-speed pressure of wind on the V geographical area;
  • with the completing systems:

- supply and withdrawal of a product (collectors of an entrance and product yield, etc.);

- air recirculation;

- automated management of the fan with the frequency converter of speed of rotation of the electric motor (further the frequency converter) and the electric motor vibroswitch.

  • with blinds with manual, with pneumatic or electromechanical adjustment of turn of shovels (further the manual drive, a pneumatic actuator, the electric drive);
  • with a humidifier, a heater of air or a product;
  • with platforms of service and the auxiliary tool (the razvaltsovochny tool, a key for tightening of nuts or traffic jams of heatexchange sections (further sections), the cart for installation and dismantle of the electric motor. Symbols of devices at the order are given in appendix A.

Key parameters and characteristics.

1. Key parameters of devices and fans are specified in tables 3 and 4.

In coordination with the customer production of devices with other parameters is allowed.

2. Dimensional, adjusting (an arrangement of openings under base bolts) and the connecting sizes are given in the following appendices for the presented modifications of devices:

AUG and 2AVG-in the appendix D, in drawings of 1, 2, D.Z and in tables of 1, 2, D.Z;

AVG-V and 1AVG-VVP - in the appendix E, in the drawings E.1, E.2, E.Z and in the tables E.1;

2AVG-75 and 2AVG-100 - in the appendix Zh, in the drawings Zh.1;

1AVG-160 and AVG-160G - in the appendix I, in the drawings I.1, I.2;

AVZ, 1AVZ, AVZ-D and 2AVZ-D - in the appendix K, in the drawings K.1, K.2, K.Z, and in the tables K.1 and K.2;

AVM - in the appendix L, in the drawings L.1 and in the table L.1;

AVOG-1 - in the appendix M, in the drawings M.1.

■ an arrangement of openings under base bolts for devices AUG, 2 AUG, AVG-V, 1AVG-VVP,2AVG-75, 2AVG-100, 1AVG-160, AVG-160G, AVZ, 1AVZ, AVZ-D, 2AVZ-D, AVM, AVOG-1 - in the appendix N in the drawings H.1 and H.2.

In coordination with the customer production of devices with other overall, adjusting and connecting dimensions is allowed.

3. The extreme allowed temperatures of the details working under pressure of Wednesday of heatexchange sections of devices depending on material and climatic modifications of sections of devices are specified in the table.

Table 2.

Climatic modification in accordance with GOST 15150 Material execution in accordance with GOST P 51364 The allowed temperature limits, To (°C)
UHL1 (moderate and cold) B1, B2, B2.1, B3, B3.1, B4, B4.1 From 233 (minus 40) to 573 (plus 300)
B5, B5.1 From 233 (minus 40) to 523 (plus 250)
U1 (moderate) B1, B2, B2.1, B3.1, B4.1 From 233 (minus 40) to 573 (plus 300)
B3, B4 From 233 (minus 40) to 573 (plus 300)
B5, B5.1 From 233 (minus 40) to 523 (plus 250)
About (northern) B1, B2, B2.1, B3, B3.1, B4, B4.1 From 218 (minus 55) to 573 (plus 300)
B5, B5.1 From 218 (minus 55) to 523 (plus 250)

Note:

1. The maximum temperature of the details working under pressure of 673K (400 °C), only for sections of material execution B1 at application of pipes with an edge, zavaltsovanny in a flute.

Table 3. Types of devices and their modification

Parameters Horizontal - AUG Zigzag - AVZ Low-line AVM Delta-shaped AVD
AUG 2 AUG AUG - IN 1 AVG-VP 2 AVG-75 2 AVG-100 AUG -

160G

1 AVG-160 AVZ 1AVZ AVZ-D 2AVZ-D AVM-G

ABM-B

AVOG-1
Viscosity of the liquid environment e10-4 sq.m / with To 0,5 From 0,5

to 2

More than 2 To 0,5
Surface of heat exchange, sq.m See the tab. of B.1 See the tab. of V. 2 660 9930 9930 2930

3760

9100 See the tab. of B.3 See the tab. of B.4 8020
Pressure is conditional, MPa 0,6; 1,6; 2,5; 6,3 7,5 10 16 16 0,6; 1,6; 2,5; 4,0; 6,3 0,6; 1,6; 2,5; 4,0; 6,3 0,09
Temperature limits of a product, * With See tab. 2 ** Minus 40

Plus 150

See tab. 2
Fins coefficient 9; 14,6; 20 9; 20 7,8 7 20 14,6; 20 20 9; 14,6; 20 9; 20 9; 14,6; 20 9; 20 7,8
Quantity of sections in devices, piece 2 or 3 (see 1 fig.;

Д.2; 3)

3 3 2 or 3 2 4 6 1 6
Length of orebrenny pipes, m 4; 8 4 12 6 8 6 8 1,5; 3 6
Number of rows of pipes in section 4; 6; 8 4; 6 4; 6; 8 4 6 4 6 4; 6; 8 4; 6 4; 6; 8 4; 6 4; 6; 8 8
Number of the courses on pipe space 1; 2; 2a

3; 3a; 4

4a; 6; 8

*** 1; 2; 3

4; 6

9 * 1 2 3 1; 2; 2a; 4; 4a; 8 1; 2; 3; 4; 6; 8 1
The number of fans in devices, piece 1; 2 1; 2 1 2 1 4 1 2 1; 2 1
Mass of devices, kg, no more See the tab. of G.1 See the tab. of G.2 16000 33590 35710 23900 39160 See the tab. of G.3 See the tab. of G.4 50000

Note:

* - number of streams;

** - Temperature limits of elements of the sections working under pressure (product temperature): lower - minus 40 °C; top - plus 400 °C;

*** - Quantity of the courses on pipes: four-row sections - 1; 2; 4 and six-row sections - 1; 2; 3; 6.

Table 4. Key parameters of fans

Parameters Modifications of devices
Horizontal - AUG Zigzag - AVZ Low-line

ABM

Delta line AVD
AUG

2AVG

AVG-V 1AVG-

GDP

2AVG-75

2AVG-100

AUG -

160G

1AVG-

160

AVZ 1AVZ AVZ-D

2AVZ-D

AVM-G

ABM-B

AVOG-1
Diameter of a wheel, m 2,8 5 5 2,8 5 2,8 0,8 5
Number of blades, piece 8 4 6 8 6 8 6; 4 6
Power consumption of electric motors, kW, for types of drives:

- T1

- T2

- T3

- B1T

- B2T

- B3T

-

-

-

22

30

(37)

-

-

-

22

30

(37)

-

-

-

-

30

-

37

-

-

-

-

-

-

75

-

-

-

-

-

-

-

-

30

-

37

55

75

-

-

-

37

55

75

-

-

-

-

-

-

22

30

-

3

-

-

-

-

-

-

-

-

-

-

-

75

Frequency of rotation of a shaft of rpm at the power consumption, kW:

22; 30; 37

37; 55; 75

428

-

428

-

250

-

250

-

-

428

250

-

-

428

-

250

Mass of a wheel of the fan, kg, no more 220 440 530 220 530 220 13 530

Note:

1. Use of other fans and electric motors which are not worsening operability of devices is allowed.

2. Electric motor parameters: supply voltage - 380B; current frequency - 50 Hz; execution of the engine on explosion protection (explosion protection level) - 1ExdIIBT4 (is established by the customer).

3. The mass of electric motors have to correspond to the values specified in operational documentation of manufacturer of electric motors;

4. Value of parameter in brackets - allowed.

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