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Forced Draught Air Cooled Heat Exchanger API 661 Compliant for Petroleum Industry Applications

Forced Draught Air Cooled Heat Exchanger

Petroleum Industry Air Cooled Heat Exchanger

Petroleum Industry air cooling heat exchanger

Place of Origin:

China

Brand Name:

YUHONG

Certification:

ASME , U STAMP , PED, API , ABS, LR, DNV, GL , BV, KR, TS, CCS

Model Number:

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Product Details

STANDARD:

API 661, ASME PTC 30, ISO 15156, NACE MR0103

Driver Type:

Forced Draught

Highlight:

Forced Draught Air Cooled Heat Exchanger

Petroleum Industry Air Cooled Heat Exchanger

Petroleum Industry air cooling heat exchanger

Payment & Shipping Terms

Minimum Order Quantity

1 SET

Price

2000 ~ 10M USD

Packaging Details

Pallet & Wooden Case

Delivery Time

45-150 DAYS

Payment Terms

L/C,T/T

Supply Ability

10000 Tons/Month

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Product Description

Forced Draught Air Cooled Heat Exchanger API 661 For Petroleum Industry

Forced Draught Air Cooled Heat Exchanger with API 661, Petroleum Industry

Selection of Induced Draught or Forced Draught

The air-cooled heat exchanger shall be either a forced-draught exchanger or an induced-draught exchanger and shall include the components shown in Figure 1 and any auxiliaries such as ladders, walkways and platforms. Forced-draught fans should be used, except that induced-draught fans should be considered for the following situations:

If temperature control of the process is critical and sudden downpour of rain (i.e. excessive cooling) can cause operating problems
To minimize the risk of hot-air recirculation
On sites where air-side fouling is a significant problem, however forced draft can be used if screens are specified
To improve thermal performance in the event of a fan failure (due to the stack effect)
In hot climates, where the fan plenum chamber shields the bundle from the sun
For services that have a temperature approach of 11 °C (20 °F) or less

Figure 1: Forced Draught vs Induced Draught Configurations

A) Forced Draught	B) Induced Draught
1 - Tube Bundle	6 - Fan
2 - Header	7 - Fan Ring
3 - Nozzle	8 - Fan Deck
4 - Supporting Column	9 - Drive Assembly
5 - Plenum	10 - Fan Guard

Construction of Tube Bundle

Tube bundles shall be rigid, self-contained, and designed for handling as a complete assembly.

A) Removable cover-plate header

B) Removable bonnet header

Typical Construction of Tube Bundles
1	Tubesheet
2	Removable cover plate
3	Removable bonnet
4	Top and bottom plates
5	Tube
6	Pass partition
7	Gasket
8	Nozzle
9	Side frame
10	Tube spacer
11	Tube support cross-member
12	Tube keeper
13	Vent
14	Drain
15	Instrument connection

Tubes and Finning

Maximum Fin Selection Temperature for Fin Bonding Types:

Fin Bonding Type	Maximum Process Temperature °C (°F)
Embedded fins	400 (750)
Externally bonded (hot-dip galvanized steel fins)	360 (680)
Extruded fins	300 (570)
Footed fins (single L) & overlap footed fins (double L)	130 (270)
Knurled footed fin, either single L or double L	200 (390)
Externally Bonded (welded or brazed fins)	> 400 (750) (maximum should be negotiated)