Technical data
| Capacity |
1,500-25,000 m³ |
| Design |
Combustion + drying |
| Pressure |
0.3-0.4 bar (g) |
| Typical oxygen content |
0.5-1% |
| Fuel type |
DMX, DMA, DMB |
| Fuel atomizing |
Air/steam |
| Dew point |
Dry -45/-65°C |
| Recommended for installation on |
LNG tankers
LPG tankers
Other gas tankers
FPS
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Description
For gas- and chemical transportation the inert gas needs to be of high purity. For many applications, oxygen levels of 0.5% or even 0.1% are required, in combination with a water dew-point of about -45 °C and sometimes lower (-65 °C). Also here, the burner is the heart of the system as the inert gas needs to be absolutely soot free in the first place. This is achieved with the Ultramizing® Combustion system. When the gas leaves the generator, it has the right composition, but it is saturated with 100% water and has to be dried. The drying process takes place in two steps. In the first step of the refrigerant cooler, the gas temperature is lowered to 5 °C which results in condensation of a great quantity of water. In the second stage the inert gas is dehumidified further in a double vessel type drying unit using activated alumina or adsorbent. The whole process operates under a pressure of about 0.3 bar(g).
Low pressure, low dew-point Inert Gas Generators are typically used on LNG and LPG carriers. Aalborg Industries Inert Gas Systems is the leading supplier in this segment.
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