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Solutions to problems related to diesel generators

Source: Tianjin Generator Leasing Company | Release time: 2019-06-04

The so-called diesel generator, as its name implies, is a type of power generation equipment that uses diesel as its energy source. During long-term use, some problems will inevitably occur. For example, cold air enters the equipment, and the equipment appears to be overflowing with steam. For these issues, we need the help of professionals. Let ’s take a closer look at the “Solutions for Diesel Generator Related Problems”.

First, the treatment of cold air into the diesel generator

What if the diesel generator is in cold air? Let the generator repair help you solve it! Maintenance of the air cooler, removal of the air cooler, before removing the air cooler, the water inlet valve should be closed to remove the water source. Generator maintenance, removal of the upper generator wind tunnel marking cover, the connection bolts of the cooler and the water supply and drainage pipes, and the connection bolts of the cooler and the stator frame. Then, the whole cooler is lifted out of the machine pit, and the felt pads on the contact surface should be intact, kept, and pasted on the contact surface of the base.

Differentiation of air cooler, the number and mark should be made before the air cooler is differentiated, the upper and lower water tank cover should be removed to remove rust and dirt, and the primer should be removed. Clean the air cooler. If the air cooler is too dirty, it needs to be cleaned in an alkaline aqueous solution, and repeatedly washed with pressure water. When assembling, the bolts are tightened. After checking that there is no defect, do a pressure resistance test, conduct a pressure resistance test, and continue to leak for 30 minutes at a pressure of 1.25 times the rated working pressure.

If there is a leak, the specific factors of the leakage should be handled and analyzed in a timely manner. If the copper pipe leaks, the two ends of the copper pipe can be blocked. If the number of damaged copper pipes accounts for 1/5 of the total number of each channel, the whole replace. The generator maintenance indicated that the entire air cooler was hoisted into the pit for installation. During installation, the felt on the contact surface between the air cooler and the stator base should be intact, no air leakage, and the flange bolts should be tightened symmetrically. After refilling, water filling experiments should be performed. Note that at the beginning, the drain valve should be opened first in order to exhaust the air in the pipeline.

Second, the method to deal with flooding of diesel generators

What is the "turnover" of a diesel generator? The radiator or expansion water tank of a diesel generator set experiences severe overturning and steam overflow. From this point of view, it is generally caused by the damage of the cylinder gasket near the water jacket hole of the cylinder, which causes the combustion chamber to communicate with the water channel. How to quickly diagnose and deal with this situation? Share a few practical and simple and quick ways to deal with flooding of diesel generator sets, don't worry anymore!

1. The diesel generator “flood water” is not affected by the temperature of the engine. Even if the water temperature is not high, the coolant in the expansion water tank or radiator will violently tumbling, and water vapor will overflow. As the engine speed increases, the phenomenon of "flooding" intensifies, while the phenomenon of "opening the pan" does not exist. When the diesel generator set is turned over, the cylinder head of the air compressor should be checked for air leakage and water leakage.

2. If the air compressor is fault-free, the cylinder-by-cylinder oil cut-off method can be used to determine whether the cylinder gasket has been damaged. When performing this inspection, the water tank cover should be opened for observation. When the broken oil tank is not working, the water tank will stop flooding, and the white smoke from the exhaust pipe will be improved. Replace the cylinder head. If there is no damage and no leaks when inspecting the cylinder head of the diesel generator set, you can look for trachoma and cavitation holes, and repair if there are.

The above introductions about "treatment measures for diesel generators entering cold air" and "methods for handling diesel generator set flooding" hope to help you understand "solutions to the problems related to diesel generators".


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