When the ship-borne generator is stored for a short period of time, in order to ensure that its performance is not affected and it is convenient for subsequent use, the following matters should be paid attention to:With the upsurge of industry development, Gasoline vehicle generator The expressive force in the market has also been very good, bringing many brand-new high-quality experiences to users. https://usrpower.com/product-category/vehicle-generators/gasoline-vehicle-generator-car-generators/

　　I. Fuel management of ship-borne generators

　　Fuel discharge: Before storage, the fuel in the fuel system should be drained as much as possible to reduce the risk of fuel deterioration and leakage.

　　Fuel purification: If the fuel cannot be completely discharged, make sure that the fuel is purified to remove impurities and moisture to prevent the fuel system from being blocked or corroded.

　　Second, the ship-borne generator oil management

　　Oil discharge: Similarly, the oil in the oil system should be drained to reduce the possibility of oil deterioration and leakage.

　　Oil replacement: Before the ship-borne generator is reused, new oil should be replaced, and the quality of the oil should meet the manufacturer’s requirements.

　　Three, the ship generator cooling system management

　　Coolant discharge: drain the coolant in the cooling system to prevent the coolant from deteriorating and corroding the cooling system.

　　Cleaning of cooling system: Before storage, the cooling system should be cleaned to remove dirt and deposits.

　　Fourth, the electrical system management

　　Disconnect the power supply: before storage, disconnect the power supply of the generator to prevent the electrical system of the ship-borne generator from being short-circuited or damaged.

　　Check cables and connectors: ensure that cables and connectors are securely fastened to prevent electric shock or short circuit caused by looseness.

　　V. Ventilation and anticorrosion

　　Keep ventilation: ensure that the generator storage environment is well ventilated to prevent moisture and mildew.

　　Anti-corrosion treatment: the metal parts of the generator are treated with anti-corrosion treatment, such as applying anti-rust oil or anti-rust paint to prevent corrosion.

　　Six, ship-borne generator safety precautions

　　Marking warning: Hang warning signs such as “No engine oil in the engine” on the generator to prevent misoperation.

　　Leak prevention: check the connection of all parts of the generator regularly to prevent fuel, oil or coolant from leaking.

　　Fire prevention measures: equip the storage environment with proper fire-fighting equipment and observe the fire prevention regulations.

　　Seven, regular maintenance

　　Start-up inspection: During storage, start the generator regularly for inspection to ensure its normal performance.

　　Lubricating parts: lubricate the lubricating parts of the generator to prevent friction and wear caused by long-term storage.

　　To sum up, ship-borne generators need to pay attention to fuel management, oil management, cooling system management, electrical system management, ventilation and anti-corrosion, safety precautions and regular maintenance during short-term storage. Only by storing and maintaining according to these requirements can we ensure that the generator can run normally in subsequent use and prolong the service time.

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According to a report by Russian Satellite News Agency on May 15, the Russian Ministry of Defense said on the 15th that in the past 24 hours, Russian air defense systems shot down a Ukraine MiG-29 fighter jet, 40 drones, 12 Army Tactical Missile System (ATACMS) missiles, 45 Haima rockets and other targets.

According to reports, the Russian Ministry of Defense stated that the air defense system shot down a MiG-29 aircraft of the Ukraine Air Force, 40 drones, 4 US-made Hamm anti-radiation missiles, 12 US-made ATACMS missiles and Dot-U missiles, 45 US-made Haima, Hurricane and Alder rockets.

The Russian Defense Ministry also said that in the past day, the Ukrainian army lost 1295 soldiers.

　　When marine diesel generator sets drain water tanks in winter, the following key points should be paid attention to. For example, pay attention to the time of water discharge, matters needing attention in water discharge operation and so on. I hope the following introduction can bring reference to users.In the past ten years, marine generator Defeated many competitors, courageously advanced in the struggle, and polished many good products for customers. https://usrpower.com/product-category/marine-generators/pmg-yacht-generator/

　　First, the timing of discharging water from the water tank of marine diesel generator set

　　Stop and wait: drain water 15 minutes after the stop, at which time the water temperature has dropped, avoiding the excessive temperature difference between the fuselage and the external environment caused by immediate water discharge, which will cause deformation of parts, such as cylinder head, and affect the performance of the unit.

　　Avoid draining water at high temperature: Before the engine is turned off, if the temperature is very high, don’t stop immediately to drain water. Unload the load first, make it run at idle speed, and then drain the water when the water temperature drops to 40~50≧. This can prevent the outer surface temperature of the cylinder block, cylinder head and water jacket which are in contact with water from suddenly dropping and shrinking, while the temperature inside the cylinder block is still very high and the shrinkage is small, so it is easy to cause cracks in the cylinder block and cylinder head due to excessive temperature difference between inside and outside.

　　Second, the marine diesel generator water tank water operation

　　Observe the water flow: open the drain valve or switch and pay attention to the specific situation of the water flow. If the water flow is smooth and continuous, it means that the water in the cooling system can be discharged normally. If the water flow becomes smaller or faster or slower, it means that the water contains impurities or scale, which may hinder the normal discharge of water. At this time, the water drain valve or related components should be removed, so that water can be directly discharged from the body. If the water flow is still not smooth, it can be dredged by hard and slender rigid objects such as iron wire until the water flow is smooth.

　　Rocking unit: When the cooling water stops flowing out, the diesel generator set is rocked for a few more turns, so that the residual cooling water that is not easy to flow out will flow out because of the vibration of the marine diesel generator set. This can prevent the water plug on the cylinder head from freezing, thus preventing the cooling water from flowing into the oil shell in the future.

　　Keep the water drain switch in the state: if the water drain switch is not removed, make sure it is in the open state after the water drain is completed, so as to prevent the cooling water that cannot flow out for various reasons from freezing the relevant components of the diesel generator set.

　　Open the water tank cover: open the water tank cover when discharging water, otherwise the cooling water will not flow smoothly, and parts may be frozen due to unclean water discharge in winter.

　　Third, the follow-up treatment

　　Idle drying: In the cold winter, the engine should be started to idle for a few minutes after the cooling water in the engine is released. This is mainly due to the fact that some water may remain in the water pump and other parts after water is drained. After restarting, the residual water in the water pump and other parts can be dried by the body temperature to ensure that there is no water in the engine and prevent water leakage caused by freezing of the water pump and tearing of the water seal.

　　Four, marine diesel generator water tank other maintenance suggestions

　　Maintenance of water tank: the water tank of marine diesel generator set uses pure water, and the radiator is cleaned regularly to prevent internal scaling or deposits from affecting the heat dissipation effect.

　　Preheating measures: when the temperature is low, the marine diesel generator set should be preheated before starting to ensure the smooth start and stable operation of the unit.

　　To sum up, the marine diesel generator set needs to follow certain steps and precautions when draining the water tank in winter, so as to ensure that the water in the cooling system can be completely drained and prevent the related components from being damaged.

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Following the airdrop of aid supplies, U.S. President Biden announced that he would build a dock in the Palestinian Gaza Strip and provide aid by sea. The United States ‘move to deliver weapons to Israel while providing humanitarian aid to Gaza in the form of airdrops and construction of docks has been widely questioned by the international community.

U.S. President Biden announced in his State of the Union address on the 7th that the United States will build a temporary port on the Mediterranean coast of the Gaza Strip to receive supplies. The U.S. Central Command said on the 9th that a U.S. military logistics support ship had set off from the Langley-Eustis Joint Base in Virginia for the eastern Mediterranean Sea, carrying the first equipment needed to establish the temporary port. The U.S. Department of Defense earlier issued a temporary port construction timetable, saying that the project would require more than 1000 soldiers to participate and could take nearly 60 days.

Before announcing the construction of a temporary port, the United States also chose to provide aid to the Gaza Strip through airdrops. However, the effectiveness of these U.S. actions was questioned.

Abil Etfa, spokesman for the World Food Program in the Middle East: Airdrops cannot compete with or replace truck fleets in terms of the quantity of supplies delivered; they are also much more expensive than land fleets in terms of cost. The amount of airdropped supplies is extremely limited. Only a very, very few people can benefit from it.

The Council on American-Islamic Relations has called on the U.S. president to stop playing both a firefighter and an arsonist in the Gaza Strip.

Providing both food and bombs, Biden may involve himself in the Gaza War. The New York Times published an article titled on the 8th, saying that although Biden decided to provide assistance through air and sea transportation, the other side is still providing bombs to Israel. The United States may suddenly find that it is already at the same time to some extent. The position of both sides in the conflict has raised questions and concerns about its role.

A friend posted that the United States ‘actions were extremely hypocritical. The hypocrisy and double standards of American politicians are world-class. What the United States is doing is like cutting off people’s legs and giving them several wheelchairs.

Michael Fahri, United Nations Special Rapporteur on the right to food: I have reason to believe that this is a show to cater to the American audience as the U.S. election approaches. This is the only reasonable explanation. According to my previous description, from a humanitarian perspective, an international perspective, and a human rights perspective, the United States ‘airdrops and the establishment of sea ports seem ridiculous.

Some people in the Gaza Strip even bluntly said that the so-called aid efforts of the United States are actually useless. The United States has not made any real efforts to save the humanitarian disaster there.

Hassan, the displaced: Instead of telling us they will build a port to help us, stop supplying weapons to Israel, all those weapons from the United States are killing us and our children anytime and anywhere.

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　　A, marine diesel generator set preparation before the season.

　　Sanitary cleaning of marine diesel generator set;

　　Remove the insulation blanket (if applicable) and thoroughly clean the generator set, including cleaning up dirt, sundries, grease, etc.

　　In the process of cleaning, pay attention to check loose nuts, rivets and appearance defects, and replace and repair them in time.

　　Check and change the oil:

　　According to the requirements of the instruction manual of the generator set, select the engine oil suitable for the current season.

　　Drain the old oil and replace it with new oil and oil filter.

　　Check and replace the third filter of marine diesel generator set;

　　Air filter, diesel filter and oil filter (referred to as “three filters” for short) are important parts of the generator set and need to be inspected and replaced regularly.

　　Paper filter may not fully recover its performance after cleaning, so it is recommended to replace it with a new one. Metal filter screen and filter element can be cleaned with clean oil, brush or air cylinder, but not with fire.

　　Check the cooling system:

　　Check the level and quality of coolant and replace it if necessary.

　　Clean the scale and sediment in the cooling system to ensure good cooling effect.

　　Second, the marine diesel generator set in season when the operation of the matters needing attention

　　Adjust the oil indicator:

　　For diesel engines equipped with “winter and summer” rotation indicators, the arrow of the indicator should be rotated to the word “summer” to realize large oil circulation, so as to reduce the pressure drop and parts wear caused by excessive oil temperature.

　　Use the right fuel:

　　According to the seasonal changes, choose the fuel suitable for the current temperature. When the temperature is high in summer, low viscosity fuel such as No.0 diesel can be used to reduce fuel consumption and carbon deposition.

　　Start and run the check:

　　Before starting the marine diesel generator set, check whether the liquid levels of fuel, lubricating oil and coolant are normal.

　　After start-up, observe the operating conditions of the generator set, such as whether the parameters such as voltage, frequency, oil temperature and water temperature are within the normal range.

　　If any abnormality is found, stop the machine immediately to check and troubleshoot.

　　Three, marine diesel generator set after the season maintenance.

　　Regular inspection and maintenance:

　　According to the usage of the generator set, check and maintain the plan regularly.

　　Check whether cables and connectors are fastened and reliable, check brushes and carbon deposits, and make necessary cleaning and replacement.

　　Storage management:

　　If the generator is not used for a long time, it should be stored in a dry, ventilated and dust-free environment to avoid direct sunlight and humidity.

　　Close the fuel valve and cooling water valve, remove the battery and keep it properly.

　　Recording and feedback:

　　Record the usage and maintenance records of the generator set, so as to find and solve problems in time.

　　If the generator set is found to be faulty or abnormal, it should be stopped in time and seek the help of professionals.

　　To sum up, marine diesel generator sets need to pay attention to many aspects when they are used in different seasons, including preparations before changing seasons, operational precautions during changing seasons and maintenance after changing seasons. Through inspection and maintenance, it can be ensured that the generator set can run stably and reliably in an emergency.

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Beijing, July 17: An international study recently found that in January, when the Antarctic summer temperature is the highest, 57% of the melt water on the Antarctic ice shelf exists in the form of snow and mud. However, under normal circumstances, regional climate change models do not include This part of the melt water is calculated. This means that the amount of melt water on the Antarctic ice shelf is much higher than previously predicted.

Researchers from the University of Cambridge and other institutions in the United Kingdom published an article in the latest issue of Nature Geoscience that they trained machine learning models to analyze the monthly surface melt water records of 57 Antarctic continental ice shelves between 2013 and 2021. As well as mapping the snow and mud of the Antarctic ice shelf, it was found that in January, when the temperature in the Antarctic summer was the highest, 57% of the melt water on the Antarctic ice shelf existed in the form of snow mud, which is, snow soaked in water. The rest of the meltwater exists in surface ponds and lakes.

Researchers said that people usually use satellite images to map meltwater, but from the images, only meltwater lakes, etc. can be identified with the naked eye, and snow and mud are difficult to identify because it looks like the shadows of clouds. Machine learning models can use more satellite information such as light wavelengths to determine which areas are named snow and mud, making it possible to more accurately measure the amount of water melted on the ice shelf.

The study found that in the five major ice shelf areas, the amount of water melted on the Antarctic ice shelf caused by surface melt water was 28 times higher than predicted by standard climate models.

The surface melting of the Antarctic ice shelf mainly occurs in the summer of the southern hemisphere. Whether it is slush or melt water existing in surface ponds or lakes, it will affect the stability of the ice shelf and lead to sea level rise.

　　When marine diesel generator sets are used in different seasons, the following aspects should be paid attention to to to ensure their stable operation and prolong their service time:among boat generator It has given great spiritual support to entrepreneurs, and more entrepreneurs will contribute to this industry in the future. https://usrpower.com/product/usr-pgm-marine-generator-jec60-6kva/

　　A, marine diesel generator set preparation before the season.

　　Sanitary cleaning of marine diesel generator set;

　　Remove the insulation blanket (if applicable) and thoroughly clean the generator set, including cleaning up dirt, sundries, grease, etc.

　　In the process of cleaning, pay attention to check loose nuts, rivets and appearance defects, and replace and repair them in time.

　　Check and change the oil:

　　According to the requirements of the instruction manual of the generator set, select the engine oil suitable for the current season.

　　Drain the old oil and replace it with new oil and oil filter.

　　Check and replace the third filter of marine diesel generator set;

　　Air filter, diesel filter and oil filter (referred to as “three filters” for short) are important parts of the generator set and need to be inspected and replaced regularly.

　　Paper filter may not fully recover its performance after cleaning, so it is recommended to replace it with a new one. Metal filter screen and filter element can be cleaned with clean oil, brush or air cylinder, but not with fire.

　　Check the cooling system:

　　Check the level and quality of coolant and replace it if necessary.

　　Clean the scale and sediment in the cooling system to ensure good cooling effect.

　　Second, the marine diesel generator set in season when the operation of the matters needing attention

　　Adjust the oil indicator:

　　For diesel engines equipped with “winter and summer” rotation indicators, the arrow of the indicator should be rotated to the word “summer” to realize large oil circulation, so as to reduce the pressure drop and parts wear caused by excessive oil temperature.

　　Use the right fuel:

　　According to the seasonal changes, choose the fuel suitable for the current temperature. When the temperature is high in summer, low viscosity fuel such as No.0 diesel can be used to reduce fuel consumption and carbon deposition.

　　Start and run the check:

　　Before starting the marine diesel generator set, check whether the liquid levels of fuel, lubricating oil and coolant are normal.

　　After start-up, observe the operating conditions of the generator set, such as whether the parameters such as voltage, frequency, oil temperature and water temperature are within the normal range.

　　If any abnormality is found, stop the machine immediately to check and troubleshoot.

　　Three, marine diesel generator set after the season maintenance.

　　Regular inspection and maintenance:

　　According to the usage of the generator set, check and maintain the plan regularly.

　　Check whether cables and connectors are fastened and reliable, check brushes and carbon deposits, and make necessary cleaning and replacement.

　　Storage management:

　　If the generator is not used for a long time, it should be stored in a dry, ventilated and dust-free environment to avoid direct sunlight and humidity.

　　Close the fuel valve and cooling water valve, remove the battery and keep it properly.

　　Recording and feedback:

　　Record the usage and maintenance records of the generator set, so as to find and solve problems in time.

　　If the generator set is found to be faulty or abnormal, it should be stopped in time and seek the help of professionals.

　　To sum up, marine diesel generator sets need to pay attention to many aspects when they are used in different seasons, including preparations before changing seasons, operational precautions during changing seasons and maintenance after changing seasons. Through inspection and maintenance, it can be ensured that the generator set can run stably and reliably in an emergency.

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Mexico City, March 18 (Reporters Wang Zhiying and He Yixuan) Port-au-Prince News: According to Haiti media reports on the 18th, Haiti gangs attacked two communities on the outskirts of the capital Port-au-Prince that day, killing at least a dozen people.

Reports said gangs attacked homes in two communities in Labule and Tomasin, a suburb of Port-au-Prince, that day. Witnesses said at least a dozen bodies were taken away by ambulances and many residents were forced to flee.

Haiti’s electricity department announced on the 18th that four substations and the Valle power station in the Port-au-Prince area were destroyed by criminal groups and have completely stopped operating, resulting in power outages in most parts of the capital.

The security situation in Haiti has continued to deteriorate recently. Starting from February 29 this year, several gangs in Haiti have attacked public facilities such as police stations and international airports in Port-au-Prince, demanding that Prime Minister Ariel Henry step down. On the evening of March 11, Henry announced that the Haiti government would resign after the establishment of the Transitional Presidential Council.

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　　A, marine diesel generator set preparation before the season.

　　Sanitary cleaning of marine diesel generator set;

　　Remove the insulation blanket (if applicable) and thoroughly clean the generator set, including cleaning up dirt, sundries, grease, etc.

　　In the process of cleaning, pay attention to check loose nuts, rivets and appearance defects, and replace and repair them in time.

　　Check and change the oil:

　　According to the requirements of the instruction manual of the generator set, select the engine oil suitable for the current season.

　　Drain the old oil and replace it with new oil and oil filter.

　　Check and replace the third filter of marine diesel generator set;

　　Air filter, diesel filter and oil filter (referred to as “three filters” for short) are important parts of the generator set and need to be inspected and replaced regularly.

　　Paper filter may not fully recover its performance after cleaning, so it is recommended to replace it with a new one. Metal filter screen and filter element can be cleaned with clean oil, brush or air cylinder, but not with fire.

　　Check the cooling system:

　　Check the level and quality of coolant and replace it if necessary.

　　Clean the scale and sediment in the cooling system to ensure good cooling effect.

　　Second, the marine diesel generator set in season when the operation of the matters needing attention

　　Adjust the oil indicator:

　　For diesel engines equipped with “winter and summer” rotation indicators, the arrow of the indicator should be rotated to the word “summer” to realize large oil circulation, so as to reduce the pressure drop and parts wear caused by excessive oil temperature.

　　Use the right fuel:

　　According to the seasonal changes, choose the fuel suitable for the current temperature. When the temperature is high in summer, low viscosity fuel such as No.0 diesel can be used to reduce fuel consumption and carbon deposition.

　　Start and run the check:

　　Before starting the marine diesel generator set, check whether the liquid levels of fuel, lubricating oil and coolant are normal.

　　After start-up, observe the operating conditions of the generator set, such as whether the parameters such as voltage, frequency, oil temperature and water temperature are within the normal range.

　　If any abnormality is found, stop the machine immediately to check and troubleshoot.

　　Three, marine diesel generator set after the season maintenance.

　　Regular inspection and maintenance:

　　According to the usage of the generator set, check and maintain the plan regularly.

　　Check whether cables and connectors are fastened and reliable, check brushes and carbon deposits, and make necessary cleaning and replacement.

　　Storage management:

　　If the generator is not used for a long time, it should be stored in a dry, ventilated and dust-free environment to avoid direct sunlight and humidity.

　　Close the fuel valve and cooling water valve, remove the battery and keep it properly.

　　Recording and feedback:

　　Record the usage and maintenance records of the generator set, so as to find and solve problems in time.

　　If the generator set is found to be faulty or abnormal, it should be stopped in time and seek the help of professionals.

　　To sum up, marine diesel generator sets need to pay attention to many aspects when they are used in different seasons, including preparations before changing seasons, operational precautions during changing seasons and maintenance after changing seasons. Through inspection and maintenance, it can be ensured that the generator set can run stably and reliably in an emergency.

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Jerusalem, March 23 (Reporters Wang Zhuolun and Lu Yingxu) The Israel Defense Forces issued a situation report on the 23rd, saying that only when all Palestinian militants at Shifa Hospital in Gaza City are captured will the Israeli army end its military operations in the Gaza Strip, the largest hospital.

The report quoted Finkelman, commander of the Israel Defense Forces ‘Southern Military Region, as saying that the Israeli army’s operation at Shifa Hospital is important and complex. The Israeli army is continuing this operation until the last Palestinian militant falls into the Israeli army’s hands, whether alive or dead. The Israeli army’s operation at Shifa Hospital will not end.

Earlier in the day, the Israeli army issued a situation report saying that the Israeli army had killed more than 170 Palestinian militants and arrested more than 800 suspects during its operation at Shifa Hospital. The Israeli army found weapons and facilities of Palestinian armed groups in the hospital. The sick and wounded in Shifa Hospital have been evacuated to designated compounds, and the Israeli army has also assisted trucks carrying medical equipment, food and water into the hospital.

Palestinian official news agency Wafa quoted Gaza medical sources as saying on the 23rd that Shifa Hospital was in harsh conditions and lacked water, food and medical services. Five Palestinian patients died that day. The Israeli army arrested about 240 patients and their caregivers, as well as 10 medical staff inside the hospital complex.

On the 18th of this month, Israeli troops invaded Shifa Hospital and issued a statement saying that intelligence showed that Palestinian Islamic Resistance Movement (Hamas) militants had recently entered Shifa Hospital and used the hospital as a command center. The Israeli army took military action against Shifa Hospital in November last year and claimed that Hamas ‘combat command center and military equipment were found in the hospital. The Gaza Strip health department denied this.