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Method and system which achieve solar energy condensation photo-thermal cycle power generation

A solar concentrating and cyclic power generation technology, applied in the direction of solar thermal power generation, using solar energy to generate mechanical power, machines/engines, etc. With the application, the ratio of power generation cost to benefit ratio is high, to achieve the effect of eliminating intermittent and unstable effects, good sealing, and long power generation time

Inactive Publication Date: 2012-06-13
NANHUA UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, in view of the above four forms of solar thermal power generation applications, there are still complex power generation equipment, low conversion efficiency, high power generation cost to revenue ratio, and power quality affected by solar intermittent and unstable. Various problems, these problems have largely restricted the large-scale development and application of solar thermal power generation

Method used

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  • Method and system which achieve solar energy condensation photo-thermal cycle power generation
  • Method and system which achieve solar energy condensation photo-thermal cycle power generation
  • Method and system which achieve solar energy condensation photo-thermal cycle power generation

Examples

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Effect test

Embodiment 1

[0026] Embodiment 1: as figure 1 As shown, in this solar concentrating photothermal cycle power generation system, the heating panel of the molten salt heat storage chamber first absorbs and stores the heat energy converted from the focused solar radiation energy of the concentrating device in the molten salt heat storage chamber. Through the heat transfer ribs extending into the molten salt heat storage chamber and the bottom of the heating panel, the stored heat energy is continuously transferred to the heating panel, and the heat transfer working substance (water) in the steam generation chamber is directly heated to high temperature and high pressure saturated steam, and the steam generation chamber The generated high-temperature and high-pressure saturated steam is introduced into the steam guide shaft through the steam conduit, and is sprayed out through one or several steam injection runners integrated with the steam guide shaft to generate torque, which drives the steam...

Embodiment 2

[0027] Embodiment 2: in embodiment 1, install as Figure 5 The condensing pipe shown in the figure can increase the condensing speed of the condensing chamber and realize the cogeneration of heat and electricity, which is more conducive to commercialization and large-scale operation, and reduces the ratio of power generation costs to benefits.

Embodiment 3

[0028] Embodiment 3: as Figure 6 As shown, when two or more concentrating photothermal cycle power generation systems are operating together, during the peak power consumption period during the day, all systems can generate electricity to maximize the use of solar energy. During the low power consumption period at night, one of the systems can generate electricity. If system 1 generates electricity, when the thermal energy of its molten salt heat storage chamber is insufficient, solenoid valves 3, 4, and 10 can be closed by opening solenoid valves 5, 6, 7, 8, and 9 to keep system 1 from continuing to generate electricity, avoiding switching of the power generation system, and realizing When multiple systems generate power, flexible scheduling, thermal energy storage sharing and efficient utilization, the power generation time is longer.

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Abstract

The invention relates to a system which utilize solar energy to achieve condensation photo-thermal power generation. The system is formed by three parts of thermal energy storage and conversion, thermal energy conversion and power generation and condensation and circulation of water, adopts tight connection between a thermal storage part and a conversion part, dynamic seal technology and even pressure technology to achieve direct cycle power generation by utilizing steam. Compared with a common condensation photo-thermal power generation system, the system reduces system equipment, lowers cost in multiple aspects, improves utilization and conversion efficiency of thermal energy, has long power generation time and good economic benefit, and is suitable for commercial and large scale grid-connecting operation. In addition, intermittency and instability of the solar energy have small influence on the quality of the power energy.

Description

technical field [0001] The invention belongs to the field of new energy development and application, and in particular relates to a method and a system for realizing concentrated photothermal cycle power generation by using solar energy. Background technique [0002] As an inexhaustible clean and environmentally friendly energy, solar energy has attracted much attention. Its development and application has become one of the important research topics for countries all over the world to explore and utilize new energy to achieve energy conservation, emission reduction, and environmental protection. More and more countries have adopted It is included in the development plan of future green energy. In recent years, my country has gradually paid attention to and emphasized the development and application of solar energy. [0003] At present, the most ideal development and application of solar energy is to use solar energy to generate electricity. There are two main forms of sola...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F03G6/06
CPCY02E10/46
Inventor 赵宇红赵学成赵一睿
Owner NANHUA UNIV
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