The chemical energy of diesel in the diesel engine group is converted into less than 40% of the electric energy. More than 30% of the energy is discharged into the air by the cooling water in the cylinder through a cooling fan, and about 30% of the energy is discharged into the air with exhaust gas. in. The use of the above two parts of waste heat can increase energy efficiency, achieve energy conservation and emission reduction, and meet the special needs of different users.
First, the residual heat of the cylinder liner The utilization of the cylinder liner waste heat can increase the fuel utilization rate to about 70% theoretically. The cylinder liner waste heat utilization unit uses two cooling systems (also known as double-cycle units), one is the original cooling water tank and the other is the transformed heat exchanger, and the two cooling systems are switched by the control system according to the unit operating conditions. . When heating is needed or hot water needs to be supplied, the heat of the water in the cylinder jacket is transferred to the external circulating water through a heat exchanger for utilization. The control system is independently researched and developed by the company to achieve automatic switching between the two cooling modes. It has alarm protection for generator sets, engines and generators.
Second, the residual heat of the exhaust gas utilization unit The exhaust gas residual heat utilization unit can theoretically increase the fuel efficiency of the unit to about 90%. The exhaust heat recovery unit is equipped with a heat exchanger on the basis of the double-cycle unit. The function of this heat exchanger is to transfer the heat from the exhaust gas to the external circulating water. In the heat exchanger circulation system, the heat of the cooling water in the liner and the heat in the exhaust gas are transferred to the external circulation water through different two heat exchangers. The basic principle of the control system is the same as the double-cycle unit, and it also has a reliable protection function for the diesel engine.
Dual-fuel generators have become increasingly scarce in terms of diesel resources, and their prices have become higher and higher. It has become a trend for other energy sources to replace diesel.
The company's dual fuel unit can use either diesel or diesel plus fuel gas to work together. The dual fuel control system used retains the governor of the original engine diesel system without major changes to the original diesel system. The engine still relies on the diesel engine governor to regulate the speed. The gas control system controls the replacement of the gas and does not participate in the speed regulation. Because the engine speed is still controlled by the speed control system on the fuel pump, the dynamic characteristics of the engine maintain the characteristics of the original diesel engine, and it can well meet the requirements of frequent changes in load conditions.
First, the residual heat of the cylinder liner The utilization of the cylinder liner waste heat can increase the fuel utilization rate to about 70% theoretically. The cylinder liner waste heat utilization unit uses two cooling systems (also known as double-cycle units), one is the original cooling water tank and the other is the transformed heat exchanger, and the two cooling systems are switched by the control system according to the unit operating conditions. . When heating is needed or hot water needs to be supplied, the heat of the water in the cylinder jacket is transferred to the external circulating water through a heat exchanger for utilization. The control system is independently researched and developed by the company to achieve automatic switching between the two cooling modes. It has alarm protection for generator sets, engines and generators.
Second, the residual heat of the exhaust gas utilization unit The exhaust gas residual heat utilization unit can theoretically increase the fuel efficiency of the unit to about 90%. The exhaust heat recovery unit is equipped with a heat exchanger on the basis of the double-cycle unit. The function of this heat exchanger is to transfer the heat from the exhaust gas to the external circulating water. In the heat exchanger circulation system, the heat of the cooling water in the liner and the heat in the exhaust gas are transferred to the external circulation water through different two heat exchangers. The basic principle of the control system is the same as the double-cycle unit, and it also has a reliable protection function for the diesel engine.
Dual-fuel generators have become increasingly scarce in terms of diesel resources, and their prices have become higher and higher. It has become a trend for other energy sources to replace diesel.
The company's dual fuel unit can use either diesel or diesel plus fuel gas to work together. The dual fuel control system used retains the governor of the original engine diesel system without major changes to the original diesel system. The engine still relies on the diesel engine governor to regulate the speed. The gas control system controls the replacement of the gas and does not participate in the speed regulation. Because the engine speed is still controlled by the speed control system on the fuel pump, the dynamic characteristics of the engine maintain the characteristics of the original diesel engine, and it can well meet the requirements of frequent changes in load conditions.
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