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| Auxiliary starting device for installation of dump truck | |
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| Tweet Topic Started: Feb 7 2017, 07:23 PM (3 Views) | |
| meishengchao | Feb 7 2017, 07:23 PM Post #1 |
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Hokage
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<P>Since April 1, 2016 implementation of the national three emission standards than the second discharge standards, the main requirement is to reduce the "HC + NOX" (hydrocarbons and nitrogen oxides) and PM (particulate matter) emissions. To reduce the above two indicators, the technical requirements of diesel engines to improve fuel injection pressure, so that fuel combustion more fully, while controlling the combustion temperature of the engine cylinder, so that the exhaust gas particulate matter and nitrogen oxides and other waste content indicators qualified. Based on this, diesel engine "electronic control high pressure common rail fuel injection technology" and "exhaust after treatment technology" has become the mainstream of today's construction machinery diesel engine technology.</P> <p>Engine to reduce pollutant emissions, you need to improve the fuel injection pressure, improve fuel injection control accuracy. This requires the improvement of the precision of the fuel system components and the corresponding increase in the complexity of the electronic control system. This brings about a high demand for fuel quality, maintenance, maintenance costs. If the fuel quality can not meet the requirements, maintenance is not in place, it will increase the engine failure frequency, affecting the normal use of equipment, delay the construction period. If the maintenance technology is not good, but also increase the maintenance costs, increase the complexity of the fault, affecting the normal life of the engine, causing greater losses to the user. Any of the above-mentioned problems in any one of the links, will bring the loss of the interests of the user - an increase of equipment maintenance costs, increased equipment maintenance, management difficulties, equipment failure after a long maintenance cycle of construction progress, affecting the user to undertake construction business.</p> <p>Each link problems with the equipment itself and the use of methods have a certain connection, we must fully understand and understand the technical principles of electronic control high pressure common rail engine, and proved the root causes of its high failure, so as to find a solution to the problem Methods. In this issue, we analyze and discuss the basic principles, technical features, failure modes and user environment of the electronically controlled high pressure common rail engine, so as to find a solution for the market and the user can rest assured to use the electronically controlled high pressure common rail diesel engine.</p> Practical rural road maintenance facilities<br> all round lifting work lights performance Introduction<br> high-quality driveway crack router manufacturer |
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6:53 PM Jul 10