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公开(公告)号：US20200095885A1
公开(公告)日：2020-03-26
申请号：US16469941
申请日：2017-11-01
发明人： Hyung Ki SHIN , Jun Hyun CHO , Young Jin BAIK , Gil Bong LEE , Beom Joon LEE , Chul Woo ROH , Ho Sang RA , Jong Jae CHO
摘要： The present invention provides a partial admission operation turbine apparatus comprising: a rotor portion rotatably coupled to a rotary shaft of a turbine and including a plurality of rotor blades; a nozzle portion fixedly coupled to the rotary shaft in front of the rotor portion and guiding and supplying a working fluid to the rotor blades through a plurality of nozzle blades; and an inlet disk coupled to the rotary shaft in front of the nozzle portion in a plate shape and having a plurality of admission holes formed therein so as to supply the working fluid to the nozzle portion to partially admit the working fluid into the nozzle portion, wherein each of the admission holes is formed to have a different passage cross-sectional areas, so that the opening and closing of the admission holes are controlled according to operating flow rate conditions to control a partial admission ratio of the working fluid supplied to the nozzle portion. Due to the aforementioned feature, since continuous partial admission can be operated for a supercritical power generation system, it is possible to resolve the difficulties in designing and manufacturing turbines. Also, since the partial admission ratio can be adjusted according to operating conditions, it is possible to improve the performance of a turbine that is operated by continuous partial admission. Furthermore, even if the operating flow rate conditions change in the same cycle, it is possible to operate the same turbine with high efficiency.
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公开(公告)号：US20190323704A1
公开(公告)日：2019-10-24
申请号：US16472570
申请日：2017-11-01
发明人： Beom Joon LEE , Gil Bong LEE , Young Jin BAIK , Hyung Ki SHIN , Jun Hyun CHO , Chul Woo ROH , Ho Sang RA , Eun Seok WANG , Young Soo LEE
摘要： In the present invention, a recuperator is used in a refrigerant cycle to make a heat exchange between a refrigerant generated in a condenser and a refrigerant before flowing into a compressor, thereby supercooling the refrigerant to minimize the quality of the refrigerant introduced into an evaporator, elevating temperatures at an inlet and an outlet of the compressor, and increasing condensed heat of the condenser. In the present invention, a recuperator is used to increase condensed heat of the condenser, leading to increasing the heat which circulation water circulating in a steam producing cycle receives from the condenser, whereby steam production efficiency can be improved.
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公开(公告)号：US20180195417A1
公开(公告)日：2018-07-12
申请号：US15032056
申请日：2015-11-03
发明人： Young Jin BAIK , Jun Hyun CHO , Gil Bong LEE , Ho Sang RA , Hyung Ki SHIN
摘要： The present invention drives an ejector refrigeration unit using waste heat, such as a combustion gas generated from the outside, etc., and cools a working fluid sucked into a compressor in a power generator using the working fluid that circulates in the ejector refrigeration unit, thereby reducing a compression work of the compressor so that efficiency of a system can be improved.
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公开(公告)号：US20190048873A1
公开(公告)日：2019-02-14
申请号：US15879931
申请日：2018-01-25
发明人： Gil Bong LEE , Young Soo LEE , Beom Joon LEE , Ho Sang RA , Young Jin BAIK , Jun Hyun CHO , Hyung Ki SHIN
摘要： A single-stage compressor including one compressing unit, includes: a housing having a compressing chamber formed therein and including a suction port, which is located in one side of the compressing chamber and into which a working fluid enters, and an injection port, which is located on the compressing chamber to be spaced apart from the suction port by a predetermined distance and into which an intermediate-pressure working fluid is injected; and an intermediate-pressure valve installed on an intermediate-pressure fluid flow path on which the intermediate-pressure working fluid moves and configured to control supply of the intermediate-pressure working fluid so that the intermediate-pressure working fluid is supplied to the injection port in response to an intermediate pressure of the compressing chamber. In the injection-type compressor having a single chamber, a working fluid is injected at an intermediate pressure (not in the proximity of a suction pressure) so that efficiency and capability of the injection-type compressor having a single chamber can be improved. The injection-type compressor having a single chamber has a simple structure and is easily manufactured so that a pressure of an injection port and a corresponding intermediate pressure can be selectively set in various ways.
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公开(公告)号：US20170016651A1
公开(公告)日：2017-01-19
申请号：US15190130
申请日：2016-06-22
发明人： Gil Bong LEE , Jun Hyun CHO , Young Soo LEE , Hyung Ki SHIN , Young Jin BAIK , Ho Sang RA
CPC分类号： F25B1/047 , F25B25/005 , F25B31/006 , F25B41/00 , F25B49/022 , F25B2339/047 , F25B2400/01 , F25B2500/26
摘要： Provided is an energy system comprising: a screw compressor; a condenser; an expansion device; an evaporator; an evaporator heat source flow path configured to provide a heating medium supplied from an outside as a heat source of the evaporator; a lubricant oil heat-exchanging unit configured to perform a heat-exchanging operation of the heating medium on an evaporator heat source flow path and lubricant oil including a refrigerant inside the screw compressor, to heat the lubricant oil by the heating medium before the screw compressor starts up, and to cool the lubricant oil by the heating medium discharged from the evaporator after the evaporator is heated by the heating medium, after the screw compressor starts up; and a controller configured to control the lubricant oil heat-exchanging unit depending on whether the screw compressor starts up.
摘要翻译： 提供一种能量系统，包括：螺杆式压缩机; 冷凝器 膨胀装置; 蒸发器; 蒸发器热源流路，被配置为提供从外部供应的加热介质作为所述蒸发器的热源; 润滑油热交换单元，被配置为在蒸发器热源流路上进行加热介质的热交换操作，以及在所述螺杆式压缩机内部包括制冷剂的润滑油，在所述螺杆式压缩机之前加热所述加热介质的润滑油 在螺杆式压缩机起动之后，在通过加热介质加热蒸发器之后，通过从蒸发器排出的加热介质来冷却润滑油; 以及控制器，被配置为根据螺杆式压缩机启动来控制润滑油热交换单元。
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