An aluminum seal evaporator for road diesel engine waste heat utilization orc system
A diesel engine and evaporator technology, applied in the direction of indirect heat exchanger, heat exchanger type, machine/engine, etc., can solve the problems of heavy weight, not suitable for waste heat utilization, etc., to reduce water side resistance and improve water side transmission Thermal coefficient and sufficient heat exchange effect
Active Publication Date: 2015-11-25
山东银轮热交换系统有限公司
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Problems solved by technology
However, because the material used in the plate heat exchanger is stainless steel, which is heavy in weight, it is not suitable for the ORC system for waste heat utilization of road diesel engines.
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[0025] refer to figure 1 , an aluminum seal evaporator for road diesel engine waste heat utilization ORC system of the present invention, comprising a refrigerant inlet chamber 1, a cylinder jacket water inlet chamber 2, a refrigerant outlet chamber 3, a cylinder jacket water outlet chamber 4 and a core child 5.
[0026] The refrigerant inlet chamber 1 and the jacket water outlet chamber 4 are arranged at the bottom of the core 5; the jacket water inlet chamber 2 and the refrigerant outlet chamber 3 are arranged at the core 5 top of the .
[0027] The core 5 is a long and narrow cuboid structure with a height greater than its length and width, including a front end plate 13, a rear end plate 14, and alternately stacked refrigerant side passages and cylinder liners placed between the front and rear end plates 13 and 14. Water side passages; adjacent passages are separated by partitions 12 .
[0028] The evaporator is placed vertically, the jacket water 7 enters from the jack...
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The invention discloses an aluminum-seal utilized evaporator for a road diesel engine waste heat utilization ORC (organic Rankine cycle) system. The aluminum-seal utilized evaporator comprises a coolant inlet cavity, a jacket water inlet cavity, a coolant outlet cavity, a jacket water outlet cavity and a core. The core comprises a front end plate, a back end plate, coolant-side passages and jacket water-side passages; the coolant-side passages and the jacket water-side passages are alternatively superposed between the front end plate and the back end plate, and every two adjacent passages are partitioned by one partition plate. Fluid is in opposite-side flowing under special arrangement of aluminum seals. The evaporator is arranged vertically, jacket water feeds through the upper cavity, and coolant feeds through the lower cavity, thus a counter flow arrangement is formed. Since the evaporator utilizes the aluminum seals and the passages on both inner side and outer side are provided with reinforced heat-transfer fins, the evaporator is lightened and has compact and effective structure. In addition, dimension expansion of the evaporator is facilitated through the seal structure.
Description
technical field [0001] The invention belongs to the fields of waste heat recovery and engine energy saving, and relates to an ORC system for waste heat recovery and utilization of diesel engines, in particular to an aluminum-sealed evaporating boiler in the ORC system for waste heat recovery of road diesel engines. Background technique [0002] In the past 10 to 20 years, various technological advances of the engine have only been carried out around engine emissions, such as typical EGR technology, SCR technology and so on. The use of these technologies has not significantly improved the fuel economy of the engine. For example, the efficiency of diesel engines has been hovering at the level of 40-45% for a long time in the past. With the implementation of engine emission regulations at various stages and the increasingly severe energy shortage, after the emission problem is basically solved, the waste heat utilization WHR technology based on the organic Rankine cycle ORC wil...
Claims
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IPC IPC(8): F28D9/00F28F3/08F28F3/10F02G5/00
CPCY02T10/166Y02T10/12
Inventor 董军启王建长王斌杨洪亮陈能舜张荣友
Owner 山东银轮热交换系统有限公司