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　　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.From some points of view, boat generator It is the core driving force to better promote the rapid development of the surrounding markets. https://usrpower.com/product/usr-pgm-marine-generator-jec60-6kva/

　　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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According to a report by the Russian News Agency on July 15, the Information Bureau of the Russian Ministry of Defense reported on the 14th that the Russian Eastern Group troops have controlled the Urozainoye settlement on the Zaporozhye front line and are now carrying out cleanup and demining work.

Reports said that Urozainoye and Old Mayorskoye are located at the junction of Zaporizhé and Donetsk. The Ukrainian army captured the two villages in a counterattack last summer. The Russian army recaptured Old Mayorskoye on June 10 this year and Urozainoye on July 14.

According to reports, Vladimir Rogov, chairman of the Committee on Sovereignty Issues of the Russian Academy of Social Sciences, said: Liberating Urozainoye is of great tactical significance because it will become a new springboard for Russian troops to advance in the direction of Flemevsk.

Rogov pointed out that Russian troops were steadily pushing the enemy out of position in several sections of the Zaporozhye front to prevent it from regrouping and building defenses. (Compiled by Zhu Lifeng)

　　The main factors affecting the price of marine diesel generators include the following aspects. I hope the following introduction can bring reference to users.Hope for the future marine generator It can achieve rapid and stable development and serve social development and people’s needs well. https://usrpower.com/product-category/marine-generators/pmg-yacht-generator/

　　First, the power affects the price of marine diesel generators

　　Power is one of the main factors affecting the price of diesel generators. The power demand of marine diesel generators is usually large to meet the power demand of ships. The greater the power, it means that the manufacturing difficulty, material cost and technical content of the generator set may increase, which will lead to the price increase.

　　Second, the brand and configuration affect the price of marine diesel generators

　　Brand: The prices of different brands of marine diesel generators are quite different. Brands usually have good technology, more reliable quality and better after-sales service, so the price is relatively high. Although some brands have lower prices, they may have shortcomings in quality, performance and after-sales service.

　　Configuration: The configuration of marine diesel generator will also affect its price. Configuration may include better control system, better combustion system, better emission treatment device, etc., which will increase the cost of the generator.

　　Third, the quality and technical level

　　Quality: The quality of diesel generator is an important factor affecting its price. Good quality diesel generators have longer service life and lower maintenance cost, so their prices are higher. On the contrary, inferior diesel generators have short service life, high failure rate and higher overall cost, although their prices are lower.

　　Technical level: The technical level will also affect the price of marine diesel generators. Technology usually means higher manufacturing costs and better performance.

　　Iv. market demand and supply

　　Market demand and supply will also have an impact on the price of marine diesel generators. When the market demand exceeds the supply, the price may rise; Conversely, when the supply exceeds the demand, the price may fall. In addition, the intensity of market competition will also affect the price level.

　　V. Other factors

　　In addition to the above main factors, there are other factors that may also affect the price of marine diesel generators, such as fluctuations in raw material prices, rising labor costs, and increased transportation costs. Although these factors are not the main factors that determine the price, they will also have a certain impact on the price.

　　To sum up, the price of marine diesel generators is influenced by many factors, including power, brand and configuration, quality and technical level, market demand and supply and other factors. When purchasing, it is suggested to make comprehensive consideration and selection according to actual demand, budget and brand reputation.

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According to a report by the Wall Street Journal on July 15, people familiar with the matter revealed that business tycoon Elon Musk said he plans to donate about $45 million a month to a new super political action committee that supports former President Trump.

Reported that other supporters of the newly established U.S. Political Action Committee include Palantil technology co-founder Joe Lonsdale, the Winkleworth brothers, former U.S. ambassador to Canada Kelly Craft and her husband Joe Craft.

According to a person familiar with the matter, the political action committee, established in June, is mainly responsible for registering voters, persuading voters to vote as soon as possible, and requiring ballots to be mailed in swing states.

Musk is currently the richest man in the world, with an estimated wealth of more than US$250 billion. But the amount of donations he said was also staggering.

According to reports, the largest known campaign donation in 2024 to date is $50 million, donated by the great-grandson of banker Thomas Mellon to support one of Trump’s super political action committees.

According to documents submitted on the 15th, as of June 30, the U.S. Political Action Committee received a total of US$8.75 million in donations. A person familiar with the matter said Musk said he plans to start donating in July.

The report also said that Musk officially expressed support for Trump shortly after the shooting. He posted on social platform X: The last time a presidential candidate encountered such a severe test was Theodore Roosevelt. (Compiled by Pan Xiaoyan)

　　The daily maintenance and management of ship-borne generator is the key to ensure its stable operation and prolong its service time. The following are some key maintenance management issues:This is due to marine generator Its value attribute is relatively large, and it is easy to become the backbone of the industry. https://usrpower.com/product-category/marine-generators/pmg-yacht-generator/

　　I. General Maintenance of Ship-borne Generator

　　Keep clean:

　　Always clean the dust and dirt near the generator to avoid the accumulation of water, oil and corrosive gases, so as to avoid damaging the insulation of the generator winding.

　　Clean the ventilation duct and keep it unobstructed to ensure the normal ventilation and cooling of the generator. The temperature of cooling air shall not be too low to prevent condensation of water droplets on windings and other conductive devices.

　　Corrosion and rust prevention:

　　Check whether the paint on the surface of the generator falls off. If there is rust, remove rust in time and apply antirust paint.

　　For parts such as slip rings, the surface should be kept smooth and cleaned and inspected regularly.

　　Second, the ship-borne generator regular inspection and maintenance

　　Pre-startup inspection:

　　Before the ship-borne generator is put into operation, it should be carefully checked whether there are sundries in it to prevent foreign objects such as screws, tools and rags from falling into it.

　　Use dry compressed air to remove dust from all parts of the generator.

　　Check the lubrication of generator bearings to ensure that the quality and quantity of lubricating oil or grease meet the maintenance requirements.

　　Check the connection between the generator and its prime mover to ensure that their axes are in the same straight line.

　　Check whether the rotor is flexible and the bearing quality.

　　Measure the insulation resistance of stator and rotor lines to ensure that it is not lower than the specified value.

　　In-service monitoring:

　　Monitor the temperature rise, voltage, power factor, grid frequency and other parameters of the ship-borne generator to ensure its operation within the normal range.

　　Regularly check the rotation of the rotor, the working conditions of the slip ring and the carbon brush, and whether there are any abnormal phenomena such as sparks.

　　III. Dismantling and Drying of Ship-borne Generator

　　Precautions for disassembly:

　　When disassembling and assembling the ship-borne generator, care should be taken not to damage the components, especially the stator coil and rotor protruding out of the frame.

　　When the rotor is taken out, cardboard should be placed between the stator and rotor of the motor to prevent damage to the core and winding.

　　When binding the rotor with steel cables, it should be ensured that the steel cables do not touch the rotor journal, slip ring, transfer lead and other parts.

　　Drying treatment:

　　For newly installed or long-term disabled generators, they should be dried before operation.

　　If the generator is damp, it can be dried by hot air method, short-circuit current drying method or on-load drying method.

　　During the drying process, the temperature and insulation resistance should be measured regularly to ensure the drying effect.

　　Four, ship-borne generator lubrication and replacement

　　Bearing lubrication:

　　For sliding bearings lubricated by oil ring, the oil quantity should be kept moderate to avoid oil injection during operation.

　　For motors with ball bearings or roller bearings, the grease should be changed regularly.

　　Parts replacement:

　　Check the parts of the generator set regularly, such as belts and filter elements, and replace them in time if they are worn.

　　Check and replace lubricating oil and coolant regularly to keep the unit in good condition.

　　V. Performance Test and Record of Ship-borne Generator

　　Performance test:

　　Regularly test the performance of the ship-borne generator, including whether the output voltage, frequency and other parameters meet the standards.

　　Find potential problems in time and deal with them through performance testing.

　　Record maintenance information:

　　Record the time, content, replaced parts and problems found in each maintenance.

　　Establish a complete maintenance file for subsequent analysis and improvement.

　　To sum up, the daily maintenance management of ship-borne generators involves many aspects, including general maintenance, regular inspection and maintenance, disassembly and drying, lubrication and replacement, and performance testing and recording. The implementation of these maintenance and management measures can improve the stability of the generator and prolong its service time, and provide a strong guarantee for the normal operation of the ship.

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Seoul, March 14. KCNA reported on the 14th that Kim Jong-un, General Secretary of the Workers ‘Party of Korea and Chairman of the State Councilor, directed the People’s Army Tank Corps Joint Force to conduct a confrontation training competition on the 13th. KCNA public reports show that Kim Jong-un has guided the People’s Army’s military training on site many times this month.

KCNA said that the confrontation training competition aims to test the tank soldiers ‘actual combat capabilities and be proficient in tactics. North Korea’s new main tank participated in the competition.

The report said that Kim Jong-un expressed great satisfaction with the combat performance, strike capabilities and mobility of the new main tank. He also boarded the new main tank and drove it himself.

The report said that Kim Jong-un emphasized the important role of tank soldiers in modern warfare and called for increased efforts to organize and hold practical training and training competitions to improve combat effectiveness.

According to previous reports from KCNA, Kim Jong-un also guided the People’s Army’s artillery training earlier this month, and visited training facilities and guided actual military training at important combat training bases in the western region.

　　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:As we all know, Gasoline vehicle generator The emergence of the market is worthy of many people’s attention, which has aroused the waves of the whole market. 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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[Trump Appears at the Republican National Convention: Bandaged Right Ear” target=_blank>

On the evening of July 15 local time and today (July 16) morning Beijing time, former President Trump, who originally planned to attend the Republican National Convention and deliver a speech on July 18 local time, appeared at the first day of the meeting.

This was the first time Trump appeared at a large-scale rally after experiencing an attempted assassination attempt at a campaign rally on July 13 local time. It can be seen from the picture that his right ear is wearing a bandage.

Earlier, Trump had obtained enough delegate votes at the Republican National Convention to be officially nominated as the Republican presidential candidate in the 2024 U.S. presidential election.

Trump also announced the choice of Ohio Senator James Vance as his running mate, the Republican vice presidential candidate.

　　The main factors affecting the price of marine diesel generators include the following aspects. I hope the following introduction can bring reference to users.in fact marine generator Our related products were once praised by users, which is the best self-affirmation of the products. https://usrpower.com/product-category/marine-generators/pmg-yacht-generator/

　　First, the power affects the price of marine diesel generators

　　Power is one of the main factors affecting the price of diesel generators. The power demand of marine diesel generators is usually large to meet the power demand of ships. The greater the power, it means that the manufacturing difficulty, material cost and technical content of the generator set may increase, which will lead to the price increase.

　　Second, the brand and configuration affect the price of marine diesel generators

　　Brand: The prices of different brands of marine diesel generators are quite different. Brands usually have good technology, more reliable quality and better after-sales service, so the price is relatively high. Although some brands have lower prices, they may have shortcomings in quality, performance and after-sales service.

　　Configuration: The configuration of marine diesel generator will also affect its price. Configuration may include better control system, better combustion system, better emission treatment device, etc., which will increase the cost of the generator.

　　Third, the quality and technical level

　　Quality: The quality of diesel generator is an important factor affecting its price. Good quality diesel generators have longer service life and lower maintenance cost, so their prices are higher. On the contrary, inferior diesel generators have short service life, high failure rate and higher overall cost, although their prices are lower.

　　Technical level: The technical level will also affect the price of marine diesel generators. Technology usually means higher manufacturing costs and better performance.

　　Iv. market demand and supply

　　Market demand and supply will also have an impact on the price of marine diesel generators. When the market demand exceeds the supply, the price may rise; Conversely, when the supply exceeds the demand, the price may fall. In addition, the intensity of market competition will also affect the price level.

　　V. Other factors

　　In addition to the above main factors, there are other factors that may also affect the price of marine diesel generators, such as fluctuations in raw material prices, rising labor costs, and increased transportation costs. Although these factors are not the main factors that determine the price, they will also have a certain impact on the price.

　　To sum up, the price of marine diesel generators is influenced by many factors, including power, brand and configuration, quality and technical level, market demand and supply and other factors. When purchasing, it is suggested to make comprehensive consideration and selection according to actual demand, budget and brand reputation.

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Jerusalem, March 20 (Reporters Lu Yingxu and Wang Zhuolun) The Israel Defense Forces and Israel’s National Security Directorate (Sinbet) issued a statement on the 20th saying that since last week, Israeli warplanes have killed four Palestinian Islamic Resistance Movement (Hamas) senior commander in the Gaza Strip.

The statement said that when Israeli warplanes attacked the southern Gaza Strip city of Rafah on the 18th, three Hamas Emergency Committee officials were killed and another person was injured. They are responsible for organizing terrorist activities and assisting the Hamas military wing in controlling the Gaza Strip.

As of now, Hamas has not responded to this matter.

The Israeli army said in this statement that Israeli warplanes also killed Nidal Eide, head of the Rafah Emergency Committee, last week.

According to data released by the Palestinian Gaza Strip Health Department on the 20th, Israeli forces ‘attacks on the Gaza Strip in the past 24 hours have killed a total of 104 people and injured 162 others. Since the outbreak of a new round of Palestinian-Israeli conflict in October last year, Israeli military operations in the Gaza Strip have caused more than 3.19 million deaths and nearly 740,000 injuries.