The gasoline tail overlaps with the diesel head
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The gasoline engine’s tail end is at 180 while the diesel engine’s head end is at 140 – what adjustments can be made to address this severe overlap?
Overlapping usually occurs because the stripping steam in the diesel stripping tower is set too low, or because of high mid-stage reflux flow, or an excessive gas-phase load within the tower
If the gasoline tail and diesel head overlap significantly, adjustments are required. You can try the following methods: 1. Adjust the ignition timing: By advancing or delaying the ignition time appropriately, the sequence of the combustion process can be changed, thereby reducing overlap. It should be noted that adjusting the ignition timing may affect engine power and fuel consumption; therefore, it should be adjusted within an appropriate range. 2. Adjust the intake system: Check for any blockages or leaks in the intake system to ensure normal air intake. Sometimes, problems with the intake system can lead to incomplete combustion, exacerbating the overlap phenomenon. Cleaning or replacing components such as the air filter and intake ducts can improve combustion quality. 3. Check the fuel supply system: Ensure proper fuel supply and determine whether the fuel filter needs to be replaced. Insufficient or uneven fuel supply can also lead to an increased overlap phenomenon. Check whether the fuel supply components such as the fuel pump and injectors are working properly; if there are any issues, they need to be repaired or replaced. 4. Check the ignition system: Ensure that the ignition system is working properly and determine whether the spark plugs need to be replaced. Problems with the ignition system can lead to insufficient ignition energy, incomplete combustion, and an increased overlap phenomenon. 5. Adjust engine parameters: Depending on the specific engine model and its parameters, it is possible to adjust settings such as fuel injection volume and injection timing in order to improve combustion quality. This requires careful adjustment and testing, preferably carried out by professional technicians. Please note that the methods mentioned above are only for reference; different vehicle models and engines may require different adjustment methods and specifications. For severe overlap issues, it is recommended to consult a professional auto repair technician to ensure proper adjustment and repair. .
What he is talking about are probably the problems in the production process
Adjust the degree of distillation; if there’s nothing wrong with your hardware, this will usually solve the problem； More specifically: 1. Slightly increase the temperature at which diesel is extracted, so that the light components can rise to the surface ； 2. Adjust the reflux ratio appropriately to ensure thorough separation of the light components in the gas phase ； Our gasoline and diesel are generally dewaxed by 5–10° ；