Method and apparatus for reheating ocean temperature differential power work medium and homogenesis cooling
A technology of working medium, thermoelectric power generation, applied in ocean energy power generation, machines/engines, mechanisms that generate mechanical power, etc., can solve problems such as low efficiency, increase power output, improve heat exchange efficiency and work efficiency, and reduce ship hulls The effect of gross tonnage
Inactive Publication Date: 2008-08-27
甘玉祥
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[0003] Aiming at the problems of low efficiency and small available temperature difference when extracting high-temperature seawater on the surface and cold seawater from deep layers to heat and cool the working medium in the prior art, the present invention provides a set of devices on which the working medium can be realized. The method of secondary heating and deep seawater cooling of liquid cold medium and homogeneous cooling of working medium can effectively expand the range of available temperature difference, replace the method of pumping seawater to heat and cool the working medium, improve cooling efficiency and reduce energy consumption and equipment investment, and can maintain the original temperature difference conditions of seawater to the greatest extent
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[0016] 1. A method for cold medium deep seawater cooling, the purpose of implementation is to replace the prior art, the method for extracting deep cold seawater, the steps are: (1) using the same material as the working medium as the cold medium; (2) Pressurize and liquefy the cold medium; (3) inject the liquid cold medium into image 3 In the U-shaped tube shown, it is transferred to the radiator in the deep cold sea water for water cooling, and is pushed back by the liquid pressure to the figure 2 The inlet of the vaporization chamber of the heat exchange box is shown.
[0017] 2. A method for homogeneous cooling of the working medium, the purpose of implementation is to replace the method of cooling the steam medium after work with cold sea water in the prior art, the steps are: (1) return to the inlet of the gasification chamber by method 1 The liquid cooling medium at figure 2 The throttling device shown enters the gasification chamber for expansion and decompression...
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The invention relates to the ocean temperature differential power generation field, in particular to a method for secondary heating of working medium, a method for deep sea water cooling of refrigerant medium and a method for homogenous cooling of working medium as well as a device for implementing the methods. The kind of methods better solve the problems of electrical energy consumption and overlarge occupation space caused by the necessary plentiful extraction of surface high-temperature seawater and deep cold seawater when ocean temperature differential power generation heats and cools working medium, can increase the effective temperature difference, improve the working efficiency and decrease the power generation cost. The technical proposal of the invention is that: refrigerant medium is added, made water cooling in the deep cold seawater, refluxed to the working site, then made evaporation gasification, and then directly mixed with steam medium after the work, the temperature of the steam medium after the work is decreased, and a secondary heating is made to the working medium by taking advantage of the heat obtained after the cooling when the medium is made pressurized liquefaction. The invention designs a heat exchange device for the technical proposal, and the heat exchange device comprises a heat exchanger, a heat exchanger box, a U-shaped tube, a supporting frame, and an improved evaporator and so on.
Description
(1).Technical field [0001] The invention relates to the field of seawater temperature difference power generation, in particular to a method for secondary heating of a working medium, a method for cooling a deep seawater as a cold medium, a method for homogeneous cooling of a working medium, and devices for implementing the methods. (2). Background technology [0002] Existing seawater temperature difference power generation ships and other land-based facilities that use seawater temperature difference to generate electricity, in addition to the conventional operation of gas turbines and generators that are necessary for thermal power generation, mainly use high-temperature seawater on the surface to heat the liquid working medium. It is evaporated and gasified into steam medium, and the working steam medium is cooled by deep cold sea water to achieve and maintain the temperature difference and pressure difference of the working medium at both ends of the gas turbine, thus fo...
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IPC IPC(8): F03G7/05
CPCF03G7/05Y02E10/34Y02E10/30
Inventor 甘玉祥
Owner 甘玉祥
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