Diesel oil ignition natural gas engine combustion system and control method thereof
A combustion system and natural gas technology, applied in engine control, combustion engine, internal combustion piston engine, etc., can solve the problems of poor combustion stability under small load, easy knocking under high load, etc. The effect of improving stability
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[0022] Embodiment 1: as Figure 1-2 As shown, a combustion system of a diesel ignited natural gas engine includes an engine main body, a diesel intake system, a natural gas intake system, a variable cross-section turbocharger VGT29, an exhaust gas recirculation system EGR, a variable valve regulator VVT12, dual Fuel ECU13, integrated ECU15, computer 14, power supply 19; exhaust gas recirculation system EGR includes EGR intercooler 22, EGR valve 25;
[0023]The engine main body includes cylinder head 32, cylinder 33, piston 34, valve 11, cylinder head 32, cylinder 33 and piston 34 constitute combustion chamber, natural gas intake system includes natural gas tank 1, natural gas rail 5, natural gas channel injector 7, natural gas An in-cylinder injector 8, an air intake regulator 4 is provided on the air passage between the natural gas tank 1 and the natural gas rail 5, and the two gas outlets of the natural gas rail 5 are respectively connected to the natural gas air passage inj...
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