Silent diesel generator exhaust gas turbocharging system: It is the most common turbocharging device for unit operators. In fact, the supercharger has no mechanical connection with the unit, it belongs to the air compressor, and the intake air is obtained by compressing the air. It uses the inertial impulse of the exhaust gas discharged from the engine to push the turbine in the turbine chamber, and the turbine drives the coaxial impeller. When the engine speed increases, the exhaust gas discharge speed and the wheel speed also increase simultaneously, the impeller compresses more air into the cylinder, the pressure and density of the air increase, and more fuel can be burned, and the corresponding increase in the fuel volume can increase the engine output power.
The silent diesel generator is composed of an engine, a generator and a control cabinet, and the composition of the silent diesel generator leads to the emergence of many brands of different quality, so the selection of the unit needs to be paid attention to.
Silent diesel generators are generally used as backup power sources for enterprises and institutions. As backup power sources, there are not only silent diesel generators, but also many other types. Most of our enterprises and institutions choose silent diesel generators because of their There are many advantages, different environments have different models and configurations of machines to choose from, mobile, silent, different power and so on. Moreover, the capital required to configure a silent diesel generator is not much, and the cost is not high, so it will be loved by most users.
Generally speaking, the engine power and torque after installing the exhaust gas turbocharger should be increased by 20%-30%. However, the exhaust gas turbocharger technology also has its points that must be paid attention to, that is, the pump impeller and the turbine are connected by a shaft, that is, the rotor, the exhaust gas discharged from the silent diesel generator drives the pump impeller, and the pump impeller drives the turbine to rotate. Boost the intake system. The supercharger is installed on the exhaust side of the engine, so the working temperature of the supercharger is very high, and the speed of the rotor of the supercharger is very high when it is working, which can reach hundreds of thousands of revolutions per minute, such a high speed and temperature The common mechanical needle roller or ball bearing cannot work for the rotor, so the turbocharger generally adopts a full floating bearing, which is lubricated by oil, and the coolant is used to cool the supercharger of the silent diesel generator.
Post time: May-06-2022