1.1 Main structural features of
natural gas engine
● A cover per
cylinder, dependable operation, easy disassembly.
● Frame-type
main bearing structure and high complete machine rigidity which benefits the
reliability and service life of complete machine.
● Electronic
throttle is adopted to control engine revolving speed.
● Mixture
supply system uses mixer to regulate air-fuel ratio and adopts proportional mix
and
supercharged inter-cooling method
to stabilize gas supply.
●
Water-cooling middle case turbocharger applicable to gas engine features is
selected and circulating water shall be used to cool down
turbocharger lubrication cooling oil so as to effectively prevent pressure bearing lubricating oil
from coking and to improve turbocharger’s reliability.
● Designed
gas mixing system satisfies gas fuel features to effectively support stable
lean burn and
enhance thermal efficiency.
● Two pairs
of friction couples of inlet, outlet valves and valve seats shall be made of
materials fit for gas engine’s operating
characteristics so as to ensure high temperature abrasive resistance property
and excellent self-lubrication
performance.
1.2 Model implication of WP13NG
Series Natural Gas G-Drive Engine
1.3 Main technical parameters of
WP13NG Series Natural Gas G-Drive Engine
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