膨胀机原理说明.ppt

文档介绍：Introduction
to
Turboexpanders
What is a Turboexpander?
A turboexpander is a machine that continuously expands a gas from a higher pressure to a lower pressure.
Thereby producing:
Cooling
Shaft Power
MAFI TRENCH TURBOEXPANDER
EXPANDER
COMPRESSOR
Typical Turboexpander Application
Gas Processing
Natural Gas Processing
Petrochemical
LNG
Power Recovery
Pressure Letdown
Geothermal
A Turboexpander is used to produce refrigeration and recover energy.
Typical Turboexpander Process
955 psi, -7 degF
435 psi,
-70 degF
420 psi, 81 degF
570 psi, 128 degF
SPEED: 13,200 RPM
Expander Wheel
Thermal Barrier
Bearing Housing
Compressor Wheel
Shaft Seal
Oil Bearing Unit
Rotating Assembly
Expander Inlet Guide Vanes
1. The Seal Gas System