Marine Engines Turbocharger Spares High Compressor Prssure Rtio

Marine Engines Turbocharger Spares High Compressor Prssure Rtio

T- NAPIER turbocharger description:

T- NHP30 turbo compressor impeller (also called compressor wheel) belongs to one part of T- NAPIER Turbochargers, which is widely used in Marine engine, Power generation and Rail engines. The T- Napier turbocharger has been developed since 60 years ago and it's famous for its high quality and reliability. 

• T- Napier turbochargers has a wide range of fuels, such as HFO, marine diesel oil, gas even green eco-friendly alternative fuels.

• Lower gening fuel consuption;

• High overall efficiency;

• Exhaust temperatures is reduced;

• Great engine performance and flexibility;

• raHigh compressor prssure rtio;

• Compact, safe and easy to install design;

• Applied in Marine, Power generation and Rail industries.

T- NHP30 turbo compressor impeller (compressor wheel) functions:

• The compressor wheel/compressor impeller is of aluminium alloy or the more expensive titanium.

• Manufactured from a single casting it is located on the rotor shaft by splines.

• Aluminium impellers have a limited life, due to creep, which is dictated by the final air temperature.

• Often the temperature of air leaving the impeller can be as high as 200°C.

• The life of the impeller under these circumstances may be limited to about 70000 hours.

Brief introduction of marine turbocharger:

The marine turbocharger, also known as exhaust gas turbocharger, is the main equipment in the diesel engine boosting system. It consists of a single-stage exhaust gas turbine and a centrifugal compressor. They are mounted on the same shaft to form the moving part of the marine turbocharger/exhaust gas turbocharger - the rotor. The function of the marine turbocharger/exhaust gas turbocharger is to use the diesel exhaust energy to drive the turbine to drive the compressor on the coaxial to increase the air pressure into the cylinder, so that the diesel engine power is greatly improved. The exhaust turbocharger approximately doubles the power of the diesel engine, but its weight is only increased 10%.

Marine turbocharger/Exhaust gas turbochargers operate at high speeds, high exhaust gas temperatures, high air and exhaust gas flow rates, and high flow rates. Generally, the pressure of the exhaust gas is 0.25-0.45 MPa, and the exhaust gas temperature is 500-600 °C. The speed varies with the size of the Marine turbocharger / supercharger. The maximum speed of the large-sized supercharger is 10000 r/min, and the maximum speed of the small-sized supercharger can reach 40,000~50000r/min. Therefore, the marine turbocharger/exhaust gas turbocharger is a precision machine.