Methanol Injection Packages
Pump systems to prevent the formation of hydrates by injection of methanol, ethanol, LDHI or KHI
To avoid hydrate formation in pipelines, X-mas trees, umbilicals and export headers liquids like methanol, ethanol, LDHI or MEG are injected. For this application usually high pressure and high flowrate systems are used.
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- Systems usually designed for high pressures and high volumes
- Simple accessibility and maintainability
- Suitable for lean fluids
Because of the flammable and volatile character of these liquids, pressurized tanks with blanketing systems are commonly used for this application. The package further include reciprocating pumps, suction and discharge piping complete with valves and instrumentation. In view of the hazardous character of the fluids the reciprocating pumps have to be leak free, these can be either double diaphragm or plunger type. The piping is mostly high pressure piping with RTJ flanges or hub and clamp connections. For very large volumes plunger pumps with special seals are used; these are mounted on large base frames.
- Pressures up to 1200 bar
- Capacity adjustment by stroke length or pump speed
- In accordance with API 675, API 674
- Either double diaphragm or plunger leak free pumps are available