Many friends have found that there may be slight leakage inside the engine of a diesel generator set, which is the so-called oil dripping. What exactly causes the oil dripping? What are the detailed fault locations? Haixing will give detailed answers to friends in the following article. If the generator set is running under a small load, as the running time continues, the following faults will occur: 1. The piston-cylinder liner is not sealed well, the oil is rushing up, entering the combustion chamber to burn, and the exhaust gas emits blue smoke. 2. For supercharged diesel engines, due to low load and no load, the supercharged pressure is low. It is easy to cause the sealing effect of the supercharger oil seal (non-contact type) to decrease, and the engine oil penetrates into the supercharge chamber and enters the cylinder with the intake. 3. Some of the engine oil that rushes up to the cylinder participates in combustion, and some of the engine oil cannot be burned. Carbon deposits form at the valve, air intake, piston top, piston ring, etc., and some are discharged with the exhaust gas. In this way, the cylinder liner exhaust passage will gradually

Pay special attention to the safety of diesel generators when in use. Because it is different from other types of generator sets, Jiangsu Haixing should emphasize the points of attention when using diesel generators safely. For new or long-term generators that are not used for normal operation, they must undergo strict inspections, mainly check the winding insulation, wiring conditions, etc. If there is any inconsistency, they will be handled. After the diesel engine is started, the speed is slowly increased. After inspection and confirming that everything is intact, it can run no-load from low speed to rated speed. When running at no load, focus on checking the oil pressure, whether there are abnormal noises, excitation current, three-phase voltage changes, etc. If there are abnormal conditions, the machine should be stopped immediately for inspection. After finding out the situation, start again. If everything is normal, it can be put into normal operation. The operator must closely monitor the changes in the instrument on the control screen, whether it is within the permitted scope, and make corresponding adjustments. During operation, the operator shall maintain the live equipment

Summer is the peak period for power consumption in my country, and many regions have begun to implement measures to shut down and limit power. With the implementation of this measure, people's requirements for generator sets are getting higher and higher. The original bulky, fuel-consuming, noise-consuming and polluted generator sets are far from meeting the needs of society. According to news reports, on July 11, Cummins launched a new mobile generator set that meets the U.S. Environmental Protection Agency (EPA) off-highway Tier 4i emission level standards, and the units launched are rated at 150 kW and 200 kW, which can be used for rental and other mobile applications. These units are expected to be delivered on August 6, 2012. In addition to the above advantages, the new unit also has the following important functions: a housing that can reduce operating sound, which can achieve quiet operation; a standard cam locking distribution panel can achieve easy and fast cables.

According to netizens, some diesel generator sets will consume too fast during use. With the continuous rise of international oil prices, the price of engine oil has also risen. The rapid consumption of engine oil for diesel generator sets will undoubtedly increase users' economic expenses. Haixing Generator Group believes that most users will have the idea of ​​inspecting and repairing the generator set to restore the oil consumption speed to normal when facing the situation of excessively fast oil consumption of diesel generator sets. However, due to the lack of knowledge in this area, we often don’t know which component to start with to deal with it. Next, Haixing will analyze several situations for you: 1. When it is found that the engine oil is consumed too much, you should first check whether there is oil leakage at the connection between the body and the gear chamber cover, the large plate, the back cover, the cover on the side of the wheel. If oil leaks, you should pay attention to whether the gaskets at each connection are intact. The damaged gaskets should be inserted into the

What Haixing Power wants to discuss with you is how to distinguish the quality of diesel generator sets. According to the summary of Haixing staff, we can mainly distinguish between main power and backup power from the following aspects. The power labels of domestic and foreign countries are different. Many bad manufacturers will use this to fool customers, and everyone needs to pay attention. In China, the main power is generally used to identify diesel generator sets, while in the international field, backup power, also known as maximum power, is used to identify diesel generator sets. In China, the diesel generator set is nominal by main power, that is, continuous power. The maximum power that the generator set can continuously use within 24 hours is called continuous power, and one hour within 12 hours can be overloaded by 10% on the basis of continuous power. At this time, the unit power is the maximum power, that is, backup power. Give an example: If the main work

The oil of the generator set plays a lubricating role, prevents depreciation and damage caused by friction between parts during use, and increases maintenance costs. Therefore, we need to replenish the oil in time after consumption. Many people’s question is how often is it appropriate to change the oil? Generally, the new engine will be 50 hours after the first operation and 50 hours after the intermediate or major repair. The oil replacement cycle is generally carried out simultaneously with the oil filter (filter element). The oil replacement cycle is generally 250 hours or one month. Use Class 2 engine oil, the engine oil can be replaced only once after working for 400 hours, but the oil filter (filter element) must be replaced. If you want to determine the replacement time of the diesel generator set, there are the following methods of determining: 1. Use two glass test tubes with a diameter of 0.5 cm and a length of 20 cm, and fill them with 19 cm of new engine oil and used engine oil respectively. After sealing, the two tubes are inverted at the same time to record the bubbles.

During the operation of the generator set, the parts will heat up due to friction between parts. At this time, we need to use cooling water, and cooling water cannot be used with any water quality. Here Haixing will introduce to you how to choose cooling. The cooling water used to directly cool the diesel engine should be clean fresh water, such as rainwater, snowwater, tap water with good quality or clear river water. If well water or other groundwater is used directly, because they contain more minerals, it is easy to form scale in the water cavity of the diesel engine, affecting the cooling effect and causing failure. If only hard water is limited by conditions, it must be softened before it can be used. There are two commonly used methods of softening cooling water: ① Boiling the water to precipitate. ② Add o to each liter of water. 67s caustic soda (caustic soda), stir and precipitate with clean water from the upper layer. We especially remind you: seawater is never allowed to directly cool diesel engines.

There are clear regulations on the water temperature of diesel generator sets, but many people do not follow the regulations in actual operation, resulting in too high or too low water temperature, which will have a great adverse impact on the life of the unit. Generally speaking, as long as the water temperature does not exceed 95℃, there will be no cavitation, and the cooling water (liquid) will not be interrupted. On the contrary, if the water temperature is too low, it will be extremely harmful to the operation of the diesel engine. First, the temperature is low, the combustion conditions of diesel in the cylinder deteriorate, the fuel atomization is poor, the combustion period after ignition increases, the engine work is prone to roughness, aggravation of damage to crankshaft bearings, piston rings and other components, reducing power and economicality. Second, the combustion water vapor is prone to condense on the cylinder wall, causing metal corrosion. Third, the diesel coming to burn may dilute the engine oil, causing the lubrication to become worse. Fourth, the fuel is not completely burned and forms a glue, causing the piston ring to get stuck in the piston ring groove, the valve is stuck, and the pressure in the cylinder is reduced when the compression is finished. Fifth, the water temperature is too low and the engine oil temperature is also low, so the engine oil becomes thicker

Many netizens like Haixing Power consulted about the oil leakage problem of generator sets. This is a common fault during our use. Haixing's technicians have summarized many cases and listed the following reasons. You might as well do a self-check first and check whether the following problems have occurred. First, check whether the engine oil model, oil quantity, and oil quality meet the requirements. The second is whether the bonding surfaces of various parts of the diesel engine are smooth and flat, and whether the processing size meets the requirements. The sand-turning parts and die-casting parts should be free of sand-eye air, and whether all kinds of paper pads, sealing strings, oil seals, and screws meet the requirements and are tightened. Third, whether the lubricity of the diesel engine is smooth and meets the requirements (the oil return hole of the follow-up column of the air-cooled diesel engine is very important. Fourth, the diesel engine without negative pressure must also check whether the breathing is smooth and meets the requirements, and whether the cylinder is serially air into the crankshaft, causing oil leakage. Fifth, the machine temperature cannot be too high, cool, and dissipate.

When we fail during the use of generator sets, we mainly use the measurement of the ammeter or the observation of the control screen. What are the reasons for the insufficient success rate? Haixing has summarized the following points for everyone: Insufficient generator output power is generally a power failure, and the generator part generally does not have this situation. Common generator failure is that there is no voltage, high voltage, bottom voltage, and voltage failure when the load is a certain amount. The following reasons may cause insufficient power of the diesel generator set: 1. Insufficient oil inlet of the diesel engine, 2. The diesel filter element is blocked, 3. The diesel engine valve is not closed tightly, 4. The diesel engine fuel injector nozzle is poorly atomized 5. The diesel engine fuel injection pump is faulty 6. The diesel engine piston ring and cylinder liner are worn.