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    • 1. 发明申请
    • SYSTEM AND METHOD FOR LIQUID AIR ENERGY STORAGE
    • US20180371993A1
    • 2018-12-27
    • US16014820
    • 2018-06-21
    • John D. UppermanRalph Greenberg
    • John D. UppermanRalph Greenberg
    • F02C6/14F28D20/02
    • F02C6/14F01K23/02F01K25/10F03D9/17F04B15/08F04B23/04F04B49/22F04B2015/0812F15B1/024F17C9/04F17C2221/031F17C2223/0161F28D17/04F28D20/021F28D20/028F28D2020/006
    • A liquid air energy storage system, the system comprising: a liquid air storage means; an input of a first pump in fluid communication with the liquid air storage means; a first heat exchanger in fluid communication with an output of the first pump; a second heat exchanger in fluid communication first heat exchanger and configured to receive the fluid stream from the first pump and the first heat exchanger; a first expander turbine generator in fluid communication with the second heat exchanger; the first heat exchanger in fluid communication with the first expander turbine generator; a third heat exchanger in fluid communication with the first heat exchanger and configured to receive the fluid stream from the first expander turbine generator and the first heat exchanger; a second expander turbine generator in fluid communication with the third heat exchanger; the first heat exchanger in fluid communication with the second expander turbine generator; the fluid stream from second expander turbine generator and first heat exchanger in fluid communication with ambient atmosphere; a refrigerant stream in fluid communication with a third expander turbine generator; a fourth heat exchanger in fluid communication with the third expander turbine generator; a fourth expander turbine generator in fluid communication with the fourth heat exchanger; a fifth heat exchanger in fluid communication with the fourth expander turbine generator; the first heat exchanger in fluid communication with the fifth heat exchanger; an input of a second pump in fluid communication with the first heat exchanger, and configured to receive the refrigerant stream from the fifth heat exchanger and the and the first heat exchanger; the first heat exchanger in fluid communication with the output of the second pump; a sixth heat exchanger in fluid communication with the first heat exchanger, and configured to receive the refrigerant stream from the output of the second pump and the first heat exchanger; and the third expander turbine generator in fluid communication with the sixth heat exchanger. A liquid air energy storage system, the system comprising: a liquid air storage means; an input of a first pump in fluid communication with the liquid air storage means; a first heat exchanger in fluid communication with an output of the first pump; a second heat exchanger in fluid communication first heat exchanger and configured to receive the fluid stream from the first pump and the first heat exchanger; a first expander turbine generator in fluid communication with the second heat exchanger; the first heat exchanger in fluid communication with the first expander turbine generator; a third heat exchanger in fluid communication with the first heat exchanger and configured to receive the fluid stream from the first expander turbine generator and the first heat exchanger; a second expander turbine generator in fluid communication with the third heat exchanger; the first heat exchanger in fluid communication with the second expander turbine generator; the fluid stream from second expander turbine generator and first heat exchanger in fluid communication with ambient atmosphere; a refrigerant stream in fluid communication with a third expander turbine generator; a fourth heat exchanger in fluid communication with the third expander turbine generator; a fourth expander turbine generator in fluid communication with the fourth heat exchanger; a fifth heat exchanger in fluid communication with the fourth expander turbine generator; the first heat exchanger in fluid communication with the fifth heat exchanger; a seventh heat exchanger in fluid communication with the first heat exchanger, and configured to receive the refrigerant stream from the fifth heat exchanger and the and the first heat exchanger; an input of a second pump in fluid communication with the seventh heat exchanger; the first heat exchanger in fluid communication with the output of the second pump; a phase separator in fluid communication with the first heat exchanger, and configured to receive the refrigerant stream from the output of the second pump and the first heat exchanger; a liquid refrigerant stream exiting the phase separator and in fluid communication with the first heat exchanger; the liquid refrigerant vaporizing due to the first heat exchanger and becoming a second vapor refrigerant stream; a sixth heat exchanger in fluid communication second vapor refrigerant stream; the third expander turbine generator in fluid communication with the sixth heat exchanger; and a first vapor refrigerant stream exiting the phase separator and in fluid communication with the sixth heat exchanger. A method for liquid air energy storage, the method comprising: pumping a liquid air stream in a first pump; exchanging heat with the liquid air stream in a first heat exchanger so the liquid air becomes vapor air stream; removing energy from the vapor air stream in a second heat exchanger; driving a first expander turbine generator with the vapor air stream and generating a first amount of electricity; cooling the vapor air stream from the first expander turbine generator in the first heat exchanger; removing energy from the vapor air stream from the first heat exchanger and from the first expander turbine generator in a third heat exchanger; driving a second expander turbine generator with the vapor air stream and generating a second amount of electricity; exchanging heat with the vapor air stream from the second expander turbine generator in the first heat exchanger and then releasing the vapor air stream to the ambient atmosphere; driving a third expander turbine generator with a refrigerant vapor stream and generating a third amount of electricity; removing energy from the refrigerant vapor stream in a fourth heat exchanger; driving a fourth expander turbine generator with the refrigerant vapor stream from the fourth heat exchanger and generating a fourth amount of electricity; removing energy from the refrigerant vapor stream in a fifth heat exchanger; exchanging energy with the refrigerant vapor stream in the first heat exchanger; pumping the refrigerant vapor stream in a second pump; exchanging energy with the refrigerant vapor stream from the second pump in the first heat exchanger; and exchanging energy with the refrigerant vapor stream from the first heat exchanger and second pump in a sixth heat exchanger. A liquid air energy storage system, the system comprising: pumping a liquid air stream in a first pump; exchanging heat with the liquid air stream in a first heat exchanger so the liquid air becomes vapor air stream; removing energy from the vapor air stream in a second heat exchanger; driving a first expander turbine generator with the vapor air stream and generating a first amount of electricity; cooling the vapor air stream from the first expander turbine generator in the first heat exchanger; removing energy from the vapor air stream from the first heat exchanger and from the first expander turbine generator in a third heat exchanger; driving a second expander turbine generator with the vapor air stream and generating a second amount of electricity; exchanging heat with the vapor air stream from the second expander turbine generator in the first heat exchanger and then releasing the vapor air stream to the ambient atmosphere; driving a third expander turbine generator with a refrigerant vapor stream and generating a third amount of electricity; removing energy from the refrigerant vapor stream in a fourth heat exchanger; driving a fourth expander turbine generator with the refrigerant vapor stream from the fourth heat exchanger and generating a fourth amount of electricity; removing energy from the refrigerant vapor stream in a fifth heat exchanger; exchanging energy with the refrigerant vapor stream in the first heat exchanger; exchanging energy with the refrigerant vapor stream in a seventh heat exchanger; pumping the refrigerant vapor stream in a second pump; exchanging energy with the refrigerant vapor stream from the second pump in the first heat exchanger and creating a refrigerant liquid vapor stream; separating a refrigerant vapor stream and refrigerant liquid stream from the refrigerant liquid vapor stream in a phase separator; exchanging energy with the refrigerant liquid stream from the phase separator in the first heat exchanger, changing the refrigerant liquid stream to a refrigerant vapor stream; exchanging energy with the refrigerant vapor stream from the first heat exchanger and phase separator in a sixth heat exchanger; and exchanging energy with the refrigerant vapor stream directly from the phase separator in the sixth heat exchanger.
    • 7. 发明授权
    • Power plant and heat supply method
    • 发电厂和供热方式
    • US09512826B2
    • 2016-12-06
    • US13958808
    • 2013-08-05
    • KABUSHIKI KAISHA TOSHIBA
    • Mikhail RodionovNobuo Okita
    • F03G6/06F03G6/00F03D9/00
    • F03G6/005F03D9/007F03D9/17F03D9/22F03D9/25Y02E10/46Y02E10/721Y02E10/725
    • According to one embodiment, a power plant includes a solar heat collector which collects solar heat and then supplies the solar heat to a heat medium. The power plant includes a heat exchanger which changes a secondary medium into steam by heat exchange with the heat medium. The power plant includes a turbine. The power plant includes a temperature sensor which detects the temperature of the heat medium. The power plant includes and a controller which supplies the heat medium with heat obtained by the conversion of an output variation component having a period shorter than a predetermined value in electricity generated by a wind power generator when the temperature does not satisfy a predetermined condition associated with the driving of the turbine.
    • 根据一个实施例,发电厂包括太阳能热收集器,其收集太阳能热量,然后将太阳能热量供应到热介质。 发电厂包括热交换器,其通过与热介质的热交换将二次介质改变为蒸汽。 发电厂包括涡轮机。 发电厂包括检测热介质的温度的温度传感器。 电力设备包括:控制器,当温度不满足与风力发电机相关联的预定条件时,向风力发电机产生的电力中,通过转换具有小于预定值的周期的输出变化分量而获得的热量, 涡轮机的驱动。
    • 10. 发明授权
    • Wind energy electricity generator for low wind velocity
    • 风能发电机低风速
    • US09347428B2
    • 2016-05-24
    • US14373585
    • 2012-07-02
    • Yeong Won Rhee
    • Yeong Won Rhee
    • F03D9/00H02P9/04F03D3/02F03D9/02F03D3/00
    • F03D3/062F03D3/005F03D9/17F03D9/25F03D9/28F05B2260/42Y02E10/72Y02E60/15
    • According to the present invention, use is made of a drag-type blade in which the blade is constituted vertically and in multiple blocks while the inside thereof is formed so as to have an overlapping region, thereby achieving an aerodynamic characteristic whereby there is a large initial torque for rotating the blade of the wind energy electricity generator from the stationary state such that the rotational moment is increased. On the outside thereof, use is made of airfoil-type blades, thereby obtaining rapid rotational acceleration with tip-speed ratio no less than 1.0 and effecting wind energy electricity generation even with a low wind velocity regardless of the wind direction, and thus the present invention is economic and can be installed at low cost unaffected by place or position and is environmentally friendly while nevertheless being able to effect highly efficient wind energy electricity generation.
    • 根据本发明,使用了一种拖曳式叶片,其中叶片垂直构成并且在多个块中构成,其内部形成为具有重叠区域,从而获得空气动力学特性,由此存在大的 用于使风能发电机的叶片从静止状态旋转使得旋转力矩增加的初始扭矩。 在其外部,使用翼型型叶片,从而获得尖端速度比不小于1.0的快速旋转加速度,并且即使在风向不同的风速下也能够实现风能发电,因此目前 发明是经济的,并且可以以不受地点或位置影响的低成本安装,并且是环境友好的,同时能够实现高效的风能发电。